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Sawatsubashi S, Takashi Y, Endo I, Kondo T, Abe M, Matsumoto T, Fukumoto S. Familial cases with adult-onset FGF23-related hypophosphatemic osteomalacia -A PHEX 3'-UTR change as a possible cause. Bone 2024; 182:117057. [PMID: 38412893 DOI: 10.1016/j.bone.2024.117057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/04/2024] [Accepted: 02/21/2024] [Indexed: 02/29/2024]
Abstract
Excessive actions of FGF23 cause several kinds of hypophosphatemic rickets/osteomalacia. It is possible that there still remain unknown causes or mechanisms for FGF23-related hypophosphatemic diseases. We report two male cousins who had been suffering form FGF23-related hypophosphatemic osteomalacia. Sequencing of exons and exon-intron junctions of known causative genes for FGF23-related hypophosphatemic diseases and whole genome sequencing were conducted. Luciferase assay was used to evaluate the effect of a detected nucleotide change on mRNA stability. Two cousins showed hypophosphatemia with impaired proximal tubular phosphate reabsorption and high FGF23. Serum phosphate of their mothers was within the reference range. Exome sequencing of the proband detected no mutations. Whole genome sequencing of the patients and their mothers identified a nucleotide change in the 3'-UTR of phosphate-regulating gene with homologies to endopeptidases on the X chromosome (PHEX) gene (c.*1280_*1287dupGTGTGTGT) which is heterozygous in the mothers and hemizygous in the patients. While sixteen is the most prevalent number of GT repeats, this family had twenty repeats. Luciferase assay indicated that mRNA with 3'-UTR of PHEX with 20 GT repeats was more unstable than that with 16 repeats. Sequencing of exons and exon-intron junctions of known causative genes for FGF23-related hypophosphatemic diseases cannot identify all the genetic causes. Our results strongly suggest that changes of PHEX expression by a nucleotide change in the 3'-UTR is a novel mechanism of FGF23-related hypophosphatemic osteomalacia.
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Affiliation(s)
- Shun Sawatsubashi
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Tokushima University, Tokushima, Japan; Research and Innovation Liaison Office, Institute for Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Yuichi Takashi
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Tokushima University, Tokushima, Japan; Department of Endocrinology and Diabetes Mellitus, Fukuoka University School of Medicine, Fukuoka, Japan
| | - Itsuro Endo
- Department of Endocrinology, Metabolism and Hematology, Tokushima University Graduate School of Medical Sciences, Tokushima, Japan
| | - Takeshi Kondo
- Department of Endocrinology, Metabolism and Hematology, Tokushima University Graduate School of Medical Sciences, Tokushima, Japan
| | - Masahiro Abe
- Department of Endocrinology, Metabolism and Hematology, Tokushima University Graduate School of Medical Sciences, Tokushima, Japan
| | - Toshio Matsumoto
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Tokushima University, Tokushima, Japan
| | - Seiji Fukumoto
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Tokushima University, Tokushima, Japan; Department of Diabetes and Endocrinology, Tamaki-Aozora Hospital, Tokushima, Japan.
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Suzukawa M, Ohta K, Sugimoto M, Ohshima N, Kobayashi N, Tashimo H, Tanimoto Y, Itano J, Kimura G, Takata S, Nakano T, Yamashita T, Ikegame S, Hyodo K, Abe M, Chibana K, Kamide Y, Sasaki K, Hashimoto H. Identification of exhaled volatile organic compounds that characterize asthma phenotypes: A J-VOCSA study. Allergol Int 2024:S1323-8930(24)00047-9. [PMID: 38658257 DOI: 10.1016/j.alit.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 03/23/2024] [Accepted: 04/03/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND Asthma is characterized by phenotypes of different clinical, demographic, and pathological characteristics. Identifying the profile of exhaled volatile organic compounds (VOCs) in asthma phenotypes may facilitate establishing biomarkers and understanding asthma background pathogenesis. This study aimed to identify exhaled VOCs that characterize severe asthma phenotypes among patients with asthma. METHODS This was a multicenter cross-sectional study of patients with severe asthma in Japan. Clinical data were obtained from medical records, and questionnaires were collected. Exhaled breath was sampled and subjected to thermal desorption gas chromatography-mass spectrometry (GC/MS). RESULTS Using the decision tree established in the previous nationwide asthma cohort study, 245 patients with asthma were divided into five phenotypes and subjected to exhaled VOC analysis with 50 healthy controls (HCs). GC/MS detected 243 VOCs in exhaled breath samples, and 142 frequently detected VOCs (50% of all samples) were used for statistical analyses. Cluster analysis assigning the groups with similar VOC profile patterns showed the highest similarities between phenotypes 3 and 4 (early-onset asthma phenotypes), followed by the similarities between phenotypes 1 and 2 (late-onset asthma phenotypes). Comparisons between phenotypes 1-5 and HC revealed 19 VOCs, in which only methanesulfonic anhydride showed p < 0.05 adjusted by false discovery rate (FDR). Comparison of these phenotypes yielded several VOCs showing different trends (p < 0.05); however, no VOCs showed p < 0.05 adjusted by FDR. CONCLUSIONS Exhaled VOC profiles may be useful for distinguishing asthma and asthma phenotypes; however, these findings need to be validated, and their pathological roles should be clarified.
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Affiliation(s)
- Maho Suzukawa
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, Tokyo, Japan.
| | - Ken Ohta
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, Tokyo, Japan; Japan Anti-Tuberculosis Association, JATA Fukujuji Hospital, Tokyo, Japan.
| | - Masahiro Sugimoto
- Institute for Advanced Biosciences, Keio University, Yamagata, Japan; Human Metabolome Technologies, Inc., Yamagata, Japan
| | - Nobuharu Ohshima
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, Tokyo, Japan
| | - Nobuyuki Kobayashi
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, Tokyo, Japan
| | - Hiroyuki Tashimo
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, Tokyo, Japan
| | - Yasushi Tanimoto
- National Hospital Organization Minami-Okayama Medical Center, Okayama, Japan
| | - Junko Itano
- National Hospital Organization Minami-Okayama Medical Center, Okayama, Japan
| | - Goro Kimura
- National Hospital Organization Minami-Okayama Medical Center, Okayama, Japan
| | - Shohei Takata
- National Hospital Organization Fukuokahigashi Medical Center, Fukuoka, Japan
| | - Takako Nakano
- National Hospital Organization Fukuokahigashi Medical Center, Fukuoka, Japan
| | - Takafumi Yamashita
- National Hospital Organization Fukuokahigashi Medical Center, Fukuoka, Japan
| | - Satoshi Ikegame
- National Hospital Organization Fukuokahigashi Medical Center, Fukuoka, Japan
| | - Kentaro Hyodo
- National Hospital Organization Ibarakihigashi National Hospital, Ibaraki, Japan
| | - Masahiro Abe
- National Hospital Organization Ehime Medical Center, Ehime, Japan
| | - Kenji Chibana
- National Hospital Organization Okinawa National Hospital, Okinawa, Japan
| | - Yosuke Kamide
- National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Kazunori Sasaki
- Institute for Advanced Biosciences, Keio University, Yamagata, Japan; Human Metabolome Technologies, Inc., Yamagata, Japan
| | - Hiroya Hashimoto
- National Hospital Organization Nagoya Medical Center, Nagoya, Japan
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Nakamura S, Hara K, Kobayashi T, Sumitani R, Oura M, Maeda Y, Sogabe K, Yagi H, Takahashi M, Fujii S, Harada T, Bando Y, Abe M, Miki H. Toxoplasmic encephalitis with high 201Tl uptake and retention mimicking malignant lymphoma in a patient with human immunodeficiency virus infection. Parasitol Int 2024; 101:102895. [PMID: 38614255 DOI: 10.1016/j.parint.2024.102895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/07/2024] [Accepted: 04/09/2024] [Indexed: 04/15/2024]
Abstract
Various opportunistic infections develop during immunodeficiency due to human immunodeficiency virus (HIV) infection. The treatment options for malignant lymphoma (ML) and toxoplasmic encephalitis (TE) are completely different; therefore, their discrimination is critical. A 25-year-old female of foreign nationality had been experiencing headaches for several weeks and suddenly developed convulsions. Brain computed tomography revealed multiple intracranial lesions; therefore, the patient was referred to the neurosurgery department. Brain magnetic resonance imaging (MRI) revealed multiple masses with surrounding edema, accompanied by enhanced contrast. The largest mass (2 cm) in the left occipital lobe exhibited ringed contrast enhancement. Her blood test results showed a CD4 count of 40/μL, positive HIV Ag/Ab, HIV-RNA level of 56 × 104 copies/mL, positive anti-Toxoplasma IgG (63 IU/mL), and negative anti-Toxoplasma IgM. 201Tl- single photon emission computed tomography (201Tl-SPECT) revealed abnormal accumulation only in the tumor in the left occipital lobe (early T/N ratio, 3.034; delayed T/N ratio, 2.738; retention index, 0.9), which was suspected to be a ML. Both tumors, with or without high accumulation of 201Tl, were subjected to craniotomy biopsy. Pathological examination revealed infiltration of small lymphocytes with a necrotic background. The patient was diagnosed with TE based on a positive result of a tissue polymerase chain reaction test for Toxoplasma gondii. Two weeks after sulfamethoxazole and trimethoprim combination therapy, MRI imaging showed dramatic improvement in multiple brain tumors. This case is atypical because ML was ruled out despite high 201Tl-SPECT uptake and retention. Careful diagnosis through pathological examination and DNA testing is important.
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Affiliation(s)
- Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.
| | - Keijiro Hara
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Tomoko Kobayashi
- Division of Pathology, Tokushima University Hospital, Tokushima, Japan
| | - Ryohei Sumitani
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Oura
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Yusaku Maeda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kimiko Sogabe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hikaru Yagi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Mamiko Takahashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shiro Fujii
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Yoshimi Bando
- Division of Pathology, Tokushima University Hospital, Tokushima, Japan
| | - Masahiro Abe
- Department of Hematology, Kawashima Hospital, Tokushima, Japan
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell Therapy, Tokushima University Hospital, Tokushima, Japan
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Inoue Y, Oda A, Maeda Y, Sumitani R, Oura M, Sogabe K, Maruhashi T, Takahashi M, Fujii S, Nakamura S, Miki H, Hiasa M, Teramachi J, Harada T, Abe M. Ex vivo expansion and activation of Vγ9Vδ2 T cells by CELMoDs in combination with zoledronic acid. Int J Hematol 2024:10.1007/s12185-024-03763-7. [PMID: 38581458 DOI: 10.1007/s12185-024-03763-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/16/2024] [Accepted: 03/19/2024] [Indexed: 04/08/2024]
Abstract
As multiple myeloma (MM) progresses, immune effector cells decrease in number and function and become exhausted. This remains an insurmountable clinical issue that must be addressed by development of novel modalities to revitalize anti-MM immunity. Human Vγ9Vδ2 T (Vδ2+ γδ T) cells serve as the first line of defense against pathogens as well as tumors and can be expanded ex vivo from peripheral blood mononuclear cells (PBMCs) upon treatment with amino-bisphosphonates in combination with IL-2. Here, we demonstrated that next-generation immunomodulators called cereblon E3 ligase modulators (CELMoDs), as well as lenalidomide and pomalidomide, expanded Th1-like Vδ2+ γδ T cells from PBMCs in the presence of zoledronic acid (ZA). However, the expansion of Th1-like Vδ2+ γδ T cells by these immunomodulatory drugs was abolished under IL-2 blockade, although IL-2 production was induced in PBMCs. BTN3A1 triggers phosphoantigen presentation to γδ T-cell receptors and is required for γδ T-cell expansion and activation. ZA but not these immunomodulatory drugs upregulated BTN3A1 in monocytes. These results suggest that immunomodulatory drugs and ZA have cooperative roles in expansion of Th1-like Vδ2+ γδ T cells, and provide the important knowledge for clinical application of human Vδ2+ γδ T cells as effector cells.
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Affiliation(s)
- Yusuke Inoue
- Department of Medical Technology, Tokushima University Hospital, Tokushima, Japan
| | - Asuka Oda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Yusaku Maeda
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Ryohei Sumitani
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Masahiro Oura
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Kimiko Sogabe
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Tomoko Maruhashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Mamiko Takahashi
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Shiro Fujii
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell Therapy, Tokushima University Hospital, Tokushima, Japan
| | - Masahiro Hiasa
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Jumpei Teramachi
- Department of Oral Function and Anatomy, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan.
| | - Masahiro Abe
- Department of Hematology, Kawashima Hospital, Tokushima, 770-0011, Japan.
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Takahashi M, Kondo S, Kagawa K, Nakamura M, Maeda Y, Sumitani R, Yagi H, Oura M, Sogabe K, Harada T, Fujii S, Miki H, Endo I, Abe M, Nakamura S. Skeletal muscle mass during chemotherapy for haematological malignancies: a retrospective study. BMJ Support Palliat Care 2024:spcare-2024-004870. [PMID: 38569748 DOI: 10.1136/spcare-2024-004870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 03/23/2024] [Indexed: 04/05/2024]
Abstract
OBJECTIVE This study investigated whether baseline or alteration in muscle mass affects complications during chemotherapy or overall survival (OS) in haematological malignancies. METHODS Skeletal Muscle Index (SMI) was evaluated by bioimpedance analysis before and after chemotherapy in patients with haematological malignancies, and the association between muscle mass and clinical data was retrospectively analysed. RESULTS Exactly 104 patients were enrolled, with a mean age of 62.2 years. SMI was 7.85 and 6.08 in male and female patients under 65 years and 7.10 and 5.92 over 65 years, before chemotherapy, respectively. Lower baseline SMI was not correlated with worse OS in total patients (p=0.915). After a median measurement interval of 30 days after chemotherapy (n=67), body weight and SMI decreased by 2.73% and 2.87% (mean), respectively. The decrease in body weight correlated with the loss of trunk muscle mass (R2=0.2107) but was more strongly associated with the loss of lower limbs muscle mass (R2=0.3985). The muscle mass of lower limbs significantly decreased in lymphoma patients who experienced febrile neutropenia (-0.42% vs -6.04%, p=0.040). OS significantly decreased in lymphoma patients with loss of lower limbs muscle ≥2.8% (p=0.0327). CONCLUSIONS Muscle loss occurred following anticancer treatments, significantly contributing to worse outcomes. Body composition assessment and relevant multimodal prevention of muscle loss may be vital for patients receiving chemotherapy for haematological malignancies.
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Affiliation(s)
- Mamiko Takahashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shin Kondo
- Division of Rehabilitation, Tokushima University Hospital, Tokushima, Japan
| | - Kumiko Kagawa
- Department of Hematology, Tokushima Prefecture Central Hospital, Tokushima, Japan
| | - Masafumi Nakamura
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Yusaku Maeda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Ryohei Sumitani
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hikaru Yagi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Oura
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kimiko Sogabe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shiro Fujii
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell Therapy, Tokushima University Hospital, Tokushima, Japan
| | - Itsuro Endo
- Department of Bioregulatory Sciences, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Abe
- Department of Hematology, Kawashima Hospital, Tokushima, Japan
| | - Shingen Nakamura
- Department of Community Medicine and Medical Sciences, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
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Okumura T, Hayashi T, Kudo S, Mochizuki K, Abe M, Sakurai T, Kouyama Y, Ogawa Y, Maeda Y, Toyoshima N, Misawa M, Kudo T, Wakamura K, Baba T, Ishida F, Miyachi H. Endoscopic submucosal dissection for colorectal neoplasms: Risk factors for local recurrence and long-term surveillance. DEN Open 2024; 4:e269. [PMID: 37404727 PMCID: PMC10315643 DOI: 10.1002/deo2.269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 06/08/2023] [Accepted: 06/18/2023] [Indexed: 07/06/2023]
Abstract
Objectives Endoscopic submucosal dissection (ESD) is an effective procedure for the en bloc resection of colorectal neoplasms. However, risk factors for local recurrence after ESD have not been identified. This study aimed to evaluate such risk factors after ESD for colorectal neoplasms. Methods This retrospective study included 1344 patients with 1539 consecutive colorectal lesions who underwent ESD between September 2003 and December 2019. We investigated various factors associated with local recurrence in these patients. The main outcomes were the incidence of local recurrence and its relationship with clinicopathological factors during long-term surveillance. Results The en bloc resection rate was 98.6%, the R0 resection rate was 97.2%, and the histologically complete resection rate was 92.7%. Local recurrence was observed in 7/1344 (0.5%) patients and the median follow-up period was 72 months (range 4-195 months). The incidence of local recurrence was significantly higher in lesions ≥40 mm in diameter (hazard ratio [HR] 15.68 [1.88-130.5]; p = 0.011), piecemeal resection (HR 48.42 [10.7-218.7]; p < 0.001), non-R0 resection (HR 41.05 [9.025-186.7]; p < 0.001), histologically incomplete resection (HR 16.23 [3.627-72.63]; p<0.001), and severe fibrosis (F2; HR 9.523 [1.14-79.3]; p = 0.037). Conclusions Five risk factors for local recurrence after ESD were identified. Patients with such factors should undergo careful surveillance colonoscopy.
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Affiliation(s)
- Taishi Okumura
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Takemasa Hayashi
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Shin‐ei Kudo
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Kenichi Mochizuki
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Masahiro Abe
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Tatsuya Sakurai
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Yuta Kouyama
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Yushi Ogawa
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Yasuharu Maeda
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Naoya Toyoshima
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Masashi Misawa
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Toyoki Kudo
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Kunihiko Wakamura
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Toshiyuki Baba
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Fumio Ishida
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
| | - Hideyuki Miyachi
- Digestive Disease CenterShowa University Northern Yokohama HospitalKanagawaJapan
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7
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Kato S, Kudo SE, Minegishi Y, Miyata Y, Maeda Y, Kuroki T, Takashina Y, Mochizuki K, Tamura E, Abe M, Sato Y, Sakurai T, Kouyama Y, Tanaka K, Ogawa Y, Nakamura H, Ichimasa K, Ogata N, Hisayuki T, Hayashi T, Wakamura K, Miyachi H, Baba T, Ishida F, Nemoto T, Misawa M. Impact of computer-aided characterization for diagnosis of colorectal lesions, including sessile serrated lesions: Multireader, multicase study. Dig Endosc 2024; 36:341-350. [PMID: 37937532 DOI: 10.1111/den.14612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 06/06/2023] [Indexed: 11/09/2023]
Abstract
OBJECTIVES Computer-aided characterization (CADx) may be used to implement optical biopsy strategies into colonoscopy practice; however, its impact on endoscopic diagnosis remains unknown. We aimed to evaluate the additional diagnostic value of CADx when used by endoscopists for assessing colorectal polyps. METHODS This was a single-center, multicase, multireader, image-reading study using randomly extracted images of pathologically confirmed polyps resected between July 2021 and January 2022. Approved CADx that could predict two-tier classification (neoplastic or nonneoplastic) by analyzing narrow-band images of the polyps was used to obtain a CADx diagnosis. Participating endoscopists determined if the polyps were neoplastic or not and noted their confidence level using a computer-based, image-reading test. The test was conducted twice with a 4-week interval: the first test was conducted without CADx prediction and the second test with CADx prediction. Diagnostic performances for neoplasms were calculated using the pathological diagnosis as reference and performances with and without CADx prediction were compared. RESULTS Five hundred polyps were randomly extracted from 385 patients and diagnosed by 14 endoscopists (including seven experts). The sensitivity for neoplasia was significantly improved by referring to CADx (89.4% vs. 95.6%). CADx also had incremental effects on the negative predictive value (69.3% vs. 84.3%), overall accuracy (87.2% vs. 91.8%), and high-confidence diagnosis rate (77.4% vs. 85.8%). However, there was no significant difference in specificity (80.1% vs. 78.9%). CONCLUSIONS Computer-aided characterization has added diagnostic value for differentiating colorectal neoplasms and may improve the high-confidence diagnosis rate.
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Affiliation(s)
- Shun Kato
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Shin-Ei Kudo
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Yosuke Minegishi
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Yuki Miyata
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Yasuharu Maeda
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Takanori Kuroki
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Yuki Takashina
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Kenichi Mochizuki
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Eri Tamura
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Masahiro Abe
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Yuta Sato
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Tatsuya Sakurai
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Yuta Kouyama
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Kenta Tanaka
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Yushi Ogawa
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Hiroki Nakamura
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Katsuro Ichimasa
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
- Department of Gastroenterology and Hepatology, National University Hospital, Singapore City, Singapore
| | - Noriyuki Ogata
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Tomokazu Hisayuki
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Takemasa Hayashi
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Kunihiko Wakamura
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Hideyuki Miyachi
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Toshiyuki Baba
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Fumio Ishida
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Tetsuo Nemoto
- Department of Diagnostic Pathology and Laboratory Medicine, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Masashi Misawa
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
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8
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Sogabe K, Nakamura S, Higa Y, Miki H, Oda A, Maruhashi T, Sumitani R, Oura M, Takahashi M, Nakamura M, Maeda Y, Hara T, Yamagami H, Fujii S, Kagawa K, Ozaki S, Kurahashi K, Endo I, Aihara KI, Nakaue E, Hiasa M, Teramachi J, Harada T, Abe M. Acute accumulation of PIM2 and NRF2 and recovery of β5 subunit activity mitigate multiple myeloma cell susceptibility to proteasome inhibitors. Int J Hematol 2024; 119:303-315. [PMID: 38245883 DOI: 10.1007/s12185-023-03705-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 12/25/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024]
Abstract
Resistance to proteasome inhibitors (PIs) has emerged as an important clinical issue. We investigated the mechanisms underlying multiple myeloma (MM) cell resistance to PIs. To mimic their pharmacokinetic/pharmacodynamic (PK/PD) profiles, MM cells were treated with bortezomib and carfilzomib for 1 h at concentrations up to 400 and 1,000 nM, respectively. Susceptibility to these PIs markedly varied among MM cell lines. Pulsatile treatments with PIs suppressed translation, as demonstrated by incorporation of puromycin at 24 h in PI-susceptible MM.1S cells, but not PI-resistant KMS-11 cells. Inhibition of β5 subunit activity decreased at 24 h in KMS-11 cells, even with the irreversible PI carfilzomib, but not under suppression of protein synthesis with cycloheximide. Furthermore, the proteasome-degradable pro-survival factors PIM2 and NRF2 acutely accumulated in MM cells subjected to pulsatile PI treatments. Accumulated NRF2 was trans-localized into the nucleus to induce the expression of its target gene, HMOX1, in MM cells. PIM and Akt inhibition restored the anti-MM effects of PIs, even against PI-resistant KMS-11 cells. Collectively, these results suggest that increased synthesis of β5 proteasome subunit and acute accumulation of PIM2 and NRF2 reduce the anti-MM effects of PIs.
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Affiliation(s)
- Kimiko Sogabe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto-Cho, Tokushima, 770-8503, Japan.
| | - Yoshiki Higa
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell Therapy, Tokushima University Hospital, Tokushima, Japan
| | - Asuka Oda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tomoko Maruhashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Ryohei Sumitani
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Oura
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Mamiko Takahashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masafumi Nakamura
- Department of Internal Medicine, Tokushima Prefecture Naruto Hospital, Tokushima, Japan
| | - Yusaku Maeda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tomoyo Hara
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hiroki Yamagami
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shiro Fujii
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kumiko Kagawa
- Department of Hematology, Tokushima Prefectural Central Hospital, Tokushima, Japan
| | - Shuji Ozaki
- Department of Hematology, Tokushima Prefectural Central Hospital, Tokushima, Japan
| | - Kiyoe Kurahashi
- Department of Community Medicine for Respirology, Hematology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Itsuro Endo
- Department of Bioregulatory Sciences, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Ken-Ichi Aihara
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto-Cho, Tokushima, 770-8503, Japan
| | - Emiko Nakaue
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Hiasa
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Jumpei Teramachi
- Department of Oral Function and Anatomy, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.
- Department of Hematology, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan.
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9
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Maruhashi T, Miki H, Sogabe K, Oda A, Sumitani R, Oura M, Takahashi M, Harada T, Fujii S, Nakamura S, Kurahashi K, Endo I, Abe M. Acute suppression of translation by hyperthermia enhances anti-myeloma activity of carfilzomib. Int J Hematol 2024; 119:291-302. [PMID: 38252236 DOI: 10.1007/s12185-023-03706-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 12/27/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024]
Abstract
Hyperthermia is a unique treatment option for cancers. Multiple myeloma (MM) remains incurable and innovative therapeutic options are needed. We investigated the efficacy of hyperthermia and carfilzomib in combination against MM cells. Although MM cell lines exhibited different susceptibilities to pulsatile carfilzomib treatment, mild hyperthermia at 43℃ induced MM cell death in all cell lines in a time-dependent manner. Hyperthermia and carfilzomib cooperatively induced MM cell death even under suboptimal conditions. The pro-survival mediators PIM2 and NRF2 accumulated in MM cells due to inhibition of their proteasomal degradation by carfilzomib; however, hyperthermia acutely suppressed translation in parallel with phosphorylation of eIF2α to reduce these proteins in MM cells. Recovery of β5 subunit enzymatic activity from its immediate inhibition by carfilzomib was observed at 24 h in carfilzomib-insusceptible KMS-11, OPM-2, and RPMI8226 cells, but not in carfilzomib-sensitive MM.1S cells. However, heat treatment suppressed the recovery of β5 subunit activity in these carfilzomib-insusceptible cells. Therefore, hyperthermia re-sensitized MM cells to carfilzomib. Our results support the treatment of MM with hyperthermia in combination with carfilzomib. Further research is warranted on hyperthermia for drug-resistant extramedullary plasmacytoma.
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Affiliation(s)
- Tomoko Maruhashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell Therapy, Tokushima University Hospital, 2-50-1 Kuramoto-Cho, Tokushima, 770-8503, Japan.
| | - Kimiko Sogabe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Asuka Oda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Ryohei Sumitani
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Oura
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Mamiko Takahashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shiro Fujii
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kiyoe Kurahashi
- Department of Community Medicine for Respirology, Hematology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Itsuro Endo
- Department of Bioregulatory Sciences, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.
- Department of Hematology, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan.
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10
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Kogure Y, Handa H, Ito Y, Ri M, Horigome Y, Iino M, Harazaki Y, Kobayashi T, Abe M, Ishida T, Ito S, Iwasaki H, Kuroda J, Shibayama H, Sunami K, Takamatsu H, Tamura H, Hayashi T, Akagi K, Shinozaki T, Yoshida T, Mori I, Iida S, Maeda T, Kataoka K. ctDNA improves prognostic prediction in relapsed/refractory MM receiving ixazomib, lenalidomide, and dexamethasone. Blood 2024:blood.2023022540. [PMID: 38427753 DOI: 10.1182/blood.2023022540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 02/22/2024] [Accepted: 02/23/2024] [Indexed: 03/03/2024] Open
Abstract
It remains elusive how driver mutations, including those detected in circulating tumor DNA (ctDNA), affect prognosis in relapsed/refractory multiple myeloma (RRMM). Here we performed targeted-capture sequencing using bone marrow plasma cells (BMPC) and ctDNA of 261 RRMM cases uniformly treated with ixazomib, lenalidomide, and dexamethasone in a multicenter, prospective, observational study. We detected 24 and 47 recurrently mutated genes in BMPC and ctDNA, respectively. In addition to clonal hematopoiesis-associated mutations, varying proportion of driver mutations, particularly TP53 mutations (59.2% of mutated cases), were present in only ctDNA, suggesting their subclonal origin. In univariable analyses, ctDNA mutations of KRAS, TP53, DIS3, BRAF, NRAS, and ATM were associated with worse progression-free survival (PFS). BMPC mutations of TP53 and KRAS were associated with inferior PFS, while KRAS mutations were prognostically relevant only when detected in both BMPC and ctDNA. A total number of ctDNA mutations in the six relevant genes was a strong prognostic predictor (2-year PFS rates: 57.3%, 22.7%, and 0% for 0, 1, and ≥ 2 mutations, respectively) and independent of clinical factors and plasma DNA concentration. Using the number of ctDNA mutations, plasma DNA concentration, and clinical factors, we developed a prognostic index (ctRRMM-PI), classifying patients into three categories with 2-year PFS rates of 57.9%, 28.6%, and 0%. Serial analysis of ctDNA mutations in 94 cases revealed that TP53 and KRAS mutations frequently emerge after therapy. Thus, we clarify the genetic characteristics and clonal architecture of ctDNA mutations and demonstrate their superiority over BMPC mutations for prognostic prediction in RRMM.
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Affiliation(s)
| | - Hiroshi Handa
- Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yuta Ito
- The Jikei University School of Medicine, Japan
| | - Masaki Ri
- Nagoya City University Graduate School of Medical Sciences, Ngoya, Japan
| | | | - Masaki Iino
- Yamanashi Prefectural Central Hospital, Kofu, Japan
| | | | | | | | | | | | | | - Junya Kuroda
- Kyoto Prefectural University of Medicine, Kyoto, Japan
| | | | - Kazutaka Sunami
- National Hospital Organization Okayama Medical Center, Okayama, Japan
| | | | | | | | - Kiwamu Akagi
- Saitama Cancer Center, Ina, kitaadachigun, Saitama, Japan
| | | | | | - Ikuo Mori
- Takeda Pharmaceutical Company Limited, Tokyo, Japan
| | - Shinsuke Iida
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Takahiro Maeda
- Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
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11
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Nakano K, Fujii S, Fujioka A, Kimura K, Abe Y, Abe M, Yamamoto S, Arao H. A Nursing Pre-Transplant Intervention to Reduce Patients' Uncertainty about Allogeneic Hematopoietic Stem Cell Transplantation. Blood Cell Ther 2024; 7:14-24. [PMID: 38486826 PMCID: PMC10937088 DOI: 10.31547/bct-2023-013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 10/12/2023] [Indexed: 03/17/2024]
Abstract
Patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT) procedures often experience high levels of uncertainty. In this study, we developed and implemented a nursing intervention program to help patients recognize and reduce pre-transplant uncertainty. This study used a pretest-posttest single-group design without a control group. Eighteen patients undergoing HSCT participated in the intervention program-which included informational support, confirmation that the patients understood the information provided, and emotional support. Outpatients received the intervention at their initial outpatient visits after their procedure dates were determined, while inpatients received it at discharge following their procedures. The Universal Uncertainty in Illness Scale (UUIS), which consists of 26 items and six subscales, was used as the primary outcome measure. The European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30) and the Hospital Anxiety and Depression Scale were used as secondary outcome measures. The sample included 18 individuals (13 male and five female participants; median age, 52 years). Most participants had acute lymphoblastic leukemia and had previously undergone bone marrow transplantations. Following our intervention, the total UUIS score significantly decreased, from 80.83 ± 18.42 before the intervention to 63.06 ± 23.53 afterward (t = 4.98, p < .001). Furthermore, significant post-intervention reductions were observed for all six subscales of the UUIS. There were no significant differences in the functional EORTC QLQ-C30 scale scores; however, the symptom scale showed a significant decrease in fatigue (pre = 35.19 ± 19.53, post = 25.93 ± 17.04, Z = -1.99, p < 0.046) and constipation (pre = 20.37 ± 20.26, post = 7.41 ± 14.26, Z = -2.11, p = 0.035). There were no significant differences in anxiety and depression levels pre- and post-intervention. Overall, the intervention effectively reduced both UUIS total and subscale scores related to pre-HSCT uncertainties. Assessing uncertainty prior to HSCT is vital to assisting patients in coping with the procedure. Nurses not only provide information but also tailor the information to the patients' cognitive abilities, thereby simplifying their understanding of the disease and its treatment.
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Affiliation(s)
- Kimiko Nakano
- Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shiro Fujii
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Ayame Fujioka
- Cell Therapy Center, Tokushima University Hospital, Tokushima, Japan
| | - Kumi Kimura
- Cell Therapy Center, Tokushima University Hospital, Tokushima, Japan
| | - Yoshiki Abe
- Institute of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology, and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Sena Yamamoto
- Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Harue Arao
- Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka, Japan
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12
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Ansai O, Hayashi R, Nakamura A, Sasaki J, Hasegawa A, Deguchi T, Yuki A, Oike N, Ariizumi T, Abe M, Miyazaki Y, Takenouchi T, Kawashima H, Abe R. Deep dermatophytosis caused by Trichophyton rubrum in an elderly patient with CARD9 deficiency: A case report and literature review. J Dermatol 2024; 51:294-300. [PMID: 37804063 DOI: 10.1111/1346-8138.16995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 09/15/2023] [Accepted: 09/25/2023] [Indexed: 10/08/2023]
Abstract
Deep dermatophytosis is an invasive and sometimes life-threatening fungal infection mainly reported in immunocompromised patients. However, a caspase recruitment domain-containing protein 9 (CARD9) deficiency has recently been reported to cause deep dermatophytosis. Herein, we report the first Japanese case of deep dermatophytosis associated with CARD9 deficiency. An 80-year-old Japanese man with tinea corporis presented with subcutaneous nodules on his left sole. Histopathological findings revealed marked epithelioid cell granulomas with filamentous fungal structures in the deep dermis and subcutis, and the patient was diagnosed with deep dermatophytosis. Despite antifungal therapy, the subcutaneous nodule on his left sole gradually enlarged, his left calcaneal bone was invaded, and the patient finally underwent amputation of his left leg. Genetic analysis revealed a homozygous CARD9 c.586 A > G (p. Lys196Glu) variant, suggesting a CARD9 deficiency. Here, we discuss the clinical features of CARD9 deficiency-associated deep dermatophytosis with a case report and review of the literature.
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Affiliation(s)
- Osamu Ansai
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ryota Hayashi
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Anna Nakamura
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Jin Sasaki
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Akito Hasegawa
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Tokiko Deguchi
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Akihiko Yuki
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Naoki Oike
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Takashi Ariizumi
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Masahiro Abe
- Department of Fungal Infection, National Institute of Infectious Diseases, Shinjuku-ku, Japan
| | - Yoshitsugu Miyazaki
- Department of Fungal Infection, National Institute of Infectious Diseases, Shinjuku-ku, Japan
| | | | - Hiroyuki Kawashima
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Riichiro Abe
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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13
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Shinohara T, Wada A, Abe M, Nakayama N, Nagi M, Miyazaki Y. A novel zinc-chelating compound has antifungal activity against a wide range of Candida species, including multidrug-resistant Candida auris. JAC Antimicrob Resist 2024; 6:dlad155. [PMID: 38384742 PMCID: PMC10880073 DOI: 10.1093/jacamr/dlad155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/19/2023] [Indexed: 02/23/2024] Open
Abstract
Objectives In recent years, the incidence of invasive fungal infections has increased, resulting in considerable morbidity and mortality, particularly among immunocompromised individuals. Potential challenges in treating these infections with the few existing antifungal agents highlight the urgency of developing new ones. Here, we evaluated six alkyl polyamine compounds (APCs), not previously reported as antifungal drugs to our knowledge, that could deprive fungi of essential transition metals. Methods The APC with confirmed antifungal activity against Candida spp. was analysed by using transcriptomics, followed by metal-addition experiments, mass spectrometric analyses and intracellular zinc quantification with a fluorescent probe. Results A cyclic APC with three pyridylmethyl groups, APC6, had high antifungal activity against a wide range of Candida species, including MDR Candida auris. We conclusively demonstrated that APC6 was able to capture zinc within fungal cells. APC6 not only exhibited activity against C. auris as a single agent but also enhanced the efficacy of an azole antifungal agent, voriconazole, in vitro and in vivo. APC6 disrupted the biofilms formed by Candida species. Conclusions This zinc-chelating compound has potential as an antifungal agent, and the control of zinc levels in Candida species could be a powerful approach to treating drug-resistant candidiasis.
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Affiliation(s)
- Takayuki Shinohara
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
- Department of Infectious Diseases, The University of Tokyo Hospital, Tokyo, Japan
| | - Akira Wada
- Center for Biosystems Dynamics Research, RIKEN, Kanagawa, Japan
| | - Masahiro Abe
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Nobuko Nakayama
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Minoru Nagi
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yoshitsugu Miyazaki
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
- Leprosy Research Center, National Institute of Infectious Diseases, Tokyo, Japan
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14
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Horigome Y, Iino M, Harazaki Y, Kobayashi T, Handa H, Hiramatsu Y, Kuroi T, Tanimoto K, Matsue K, Abe M, Ishida T, Ito S, Iwasaki H, Kuroda J, Shibayama H, Sunami K, Takamatsu H, Tamura H, Hayashi T, Akagi K, Maeda T, Yoshida T, Mori I, Shinozaki T, Iida S. A prospective, multicenter, observational study of ixazomib plus lenalidomide-dexamethasone in patients with relapsed/refractory multiple myeloma in Japan. Ann Hematol 2024; 103:475-488. [PMID: 37695378 PMCID: PMC10798923 DOI: 10.1007/s00277-023-05428-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 08/24/2023] [Indexed: 09/12/2023]
Abstract
Real-world studies permit inclusion of a more diverse patient population and provide more information on the effectiveness of treatments used in routine clinical practice. This prospective, multicenter, observational study investigated the effectiveness and safety of ixazomib plus lenalidomide and dexamethasone (IRd) in 295 patients with relapsed/refractory multiple myeloma (RRMM) in routine clinical practice in Japan. Patients had a median age of 74 years, 80.0% were aged ≥ 65 years, 42.0% had received ≥ 3 lines of prior treatment, and 28.5% were "frail" according to the International Myeloma Working Group frailty score. After a median follow-up of 25.0 months, median progression-free survival (PFS) was 15.3 (95% CI 12.4-19.5) months, while median overall survival was not reached. The overall response rate was 53.9%, and 31.5% of patients had a very good partial response or better. In the subgroup analysis, median PFS was better in patients with 1 versus 2 or ≥ 3 lines of prior treatment (29.0 vs 19.2 or 6.9 months) and paraprotein versus clinical relapse (16.0 vs 7.9 months), but median PFS was not notably affected by frailty score or age group. Dose adjustment was more frequent among patients aged > 75 years, especially early after IRd treatment initiation. Treatment-emergent adverse events (TEAEs) of any grade occurred in 84.4% of patients and 24.7% of patients discontinued treatment due to TEAEs; no new safety concerns were found. These findings suggest that oral IRd triplet regimen is an effective and tolerable treatment option for RRMM patients in real-world settings outside of clinical trials.ClinicalTrials.gov identifier: NCT03433001; Date of registration: 14 February 2018.
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Affiliation(s)
- Yuichi Horigome
- Department of Hematology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Masaki Iino
- Department of Hematology, Yamanashi Prefectural Central Hospital, Kofu, Japan
| | - Yoriko Harazaki
- Department of Hematology, Miyagi Cancer Center, Natori, Japan
| | - Takahiro Kobayashi
- Department of Hematology, Nephrology and Rheumatology, Akita University Graduate School of Medicine, Akita, Japan
| | - Hiroshi Handa
- Department of Hematology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasushi Hiramatsu
- Department of Hematology and Oncology, Japanese Red Cross Society Himeji Hospital, Himeji, Japan
| | - Taiga Kuroi
- Department of Hematology, Chugoku Central Hospital, Fukuyama, Japan
| | - Kazuki Tanimoto
- Department of Hematology and Oncology, Japanese Red Cross Fukuoka Hospital, Fukuoka, Japan
| | - Kosei Matsue
- Division of Hematology/Oncology, Department of Internal Medicine, Kameda Medical Center, Kamogawa, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School, Tokushima, Japan
| | - Tadao Ishida
- Department of Hematology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Shigeki Ito
- Department of Hematology and Oncology, Iwate Medical University Hospital, Iwate, Japan
| | - Hiromi Iwasaki
- Department of Hematology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - Junya Kuroda
- Division of Hematology and Oncology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hirohiko Shibayama
- Department of Hematology, National Hospital Organization Osaka National Hospital, Osaka, Japan
| | - Kazutaka Sunami
- Department of Hematology, National Hospital Organization Okayama Medical Center, Okayama, Japan
| | | | - Hideto Tamura
- Department of Hematology, Nippon Medical School, Tokyo, Japan
| | - Toshiaki Hayashi
- Department of Hematology, Teine Keijinkai Hospital, Sapporo, Japan
| | - Kiwamu Akagi
- Division of Molecular Diagnosis and Cancer Prevention, Saitama Cancer Center, Ina, Japan
| | - Takahiro Maeda
- Division of Precision Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Takahiro Yoshida
- Medical Affairs, Japan Oncology Business Unit, Takeda Pharmaceutical Co. Ltd, Tokyo, Japan
| | - Ikuo Mori
- Medical Affairs, Japan Oncology Business Unit, Takeda Pharmaceutical Co. Ltd, Tokyo, Japan
| | - Tomohiro Shinozaki
- Department of Information and Computer Technology, Faculty of Engineering, Tokyo University of Science, Tokyo, Japan
| | - Shinsuke Iida
- Department of Hematology and Oncology, Nagoya City University Institute of Medical and Pharmaceutical Sciences, 1, Kawasumi, Mizuho-Cho, Mizuho-Ku, Nagoya, Aichi, 467-8601, Japan.
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Abe M, Mizukami A, Yoshida E, Kimachi T, Inamoto K. Chlorobenzene-driven palladium-catalysed lactonisation of benzoic acids. RSC Adv 2024; 14:808-811. [PMID: 38174227 PMCID: PMC10759164 DOI: 10.1039/d3ra08176a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024] Open
Abstract
Herein, we developed a palladium-catalysed C-H cyclisation of benzoic acids in chlorobenzene without additional oxidants. The key to the success of these reactions is the use of chlorobenzene, which serves a dual role as a solvent and an oxidant, thus providing a simple and efficient method for synthesising phthalides.
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Affiliation(s)
- Masahiro Abe
- School of Pharmacy and Pharmaceutical Sciences, Mukogawa Women's University 11-68, 9-Bancho, Koshien Nishinomiya Hyogo 663-8179 Japan
| | - Akiho Mizukami
- School of Pharmacy and Pharmaceutical Sciences, Mukogawa Women's University 11-68, 9-Bancho, Koshien Nishinomiya Hyogo 663-8179 Japan
| | - Emi Yoshida
- School of Pharmacy and Pharmaceutical Sciences, Mukogawa Women's University 11-68, 9-Bancho, Koshien Nishinomiya Hyogo 663-8179 Japan
| | - Tetsutaro Kimachi
- School of Pharmacy and Pharmaceutical Sciences, Mukogawa Women's University 11-68, 9-Bancho, Koshien Nishinomiya Hyogo 663-8179 Japan
| | - Kiyofumi Inamoto
- School of Pharmacy and Pharmaceutical Sciences, Mukogawa Women's University 11-68, 9-Bancho, Koshien Nishinomiya Hyogo 663-8179 Japan
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Yamagami H, Hara T, Yasui S, Hosoki M, Hori T, Kaneko Y, Mitsui Y, Kurahashi K, Harada T, Yoshida S, Nakamura S, Otoda T, Yuasa T, Kuroda A, Endo I, Matsuhisa M, Abe M, Aihara KI. Cross-Sectional and Longitudinal Associations between Skin Autofluorescence and Tubular Injury Defined by Urinary Excretion of Liver-Type Fatty Acid-Binding Protein in People with Type 2 Diabetes. Biomedicines 2023; 11:3020. [PMID: 38002020 PMCID: PMC10669246 DOI: 10.3390/biomedicines11113020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
It has previously been unclear whether the accumulation of advanced glycation end products, which can be measured using skin autofluorescence (SAF), has a significant role in diabetic kidney disease (DKD), including glomerular injury and tubular injury. This study was therefore carried out to determine whether SAF correlates with the progression of DKD in people with type 2 diabetes (T2D). In 350 Japanese people with T2D, SAF values were measured using an AGE Reader®, and both urine albumin-to-creatinine ratio (uACR), as a biomarker of glomerular injury, and urine liver-type fatty acid-binding protein (uLFABP)-to-creatinine ratio (uL-FABPCR), as a biomarker of tubular injury, were estimated as indices of the severity of DKD. Significant associations of SAF with uACR (p < 0.01), log-transformed uACR (p < 0.001), uL-FABPCR (p < 0.001), and log-transformed uL-FABPCR (p < 0.001) were found through a simple linear regression analysis. Although SAF was positively associated with increasing uL-FABPCR (p < 0.05) and increasing log-transformed uL-FABPCR (p < 0.05), SAF had no association with increasing uACR or log-transformed uACR after adjusting for clinical confounding factors. In addition, the annual change in SAF showed a significant positive correlation with annual change in uL-FABPCR regardless of confounding factors (p = 0.026). In conclusion, SAF is positively correlated with uL-FABP but not with uACR in people with T2D. Thus, there is a possibility that SAF can serve as a novel predictor for the development of diabetic tubular injury.
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Affiliation(s)
- Hiroki Yamagami
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (H.Y.); (T.H.); (T.H.); (S.Y.)
- Department of Internal Medicine, Anan Medical Center, 6-1 Kawahara Takarada-cho, Tokushima 774-0045, Japan (M.H.)
| | - Tomoyo Hara
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (H.Y.); (T.H.); (T.H.); (S.Y.)
| | - Saya Yasui
- Department of Internal Medicine, Anan Medical Center, 6-1 Kawahara Takarada-cho, Tokushima 774-0045, Japan (M.H.)
| | - Minae Hosoki
- Department of Internal Medicine, Anan Medical Center, 6-1 Kawahara Takarada-cho, Tokushima 774-0045, Japan (M.H.)
| | - Taiki Hori
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (H.Y.); (T.H.); (T.H.); (S.Y.)
- Department of Internal Medicine, Anan Medical Center, 6-1 Kawahara Takarada-cho, Tokushima 774-0045, Japan (M.H.)
| | - Yousuke Kaneko
- Department of Internal Medicine, Anan Medical Center, 6-1 Kawahara Takarada-cho, Tokushima 774-0045, Japan (M.H.)
| | - Yukari Mitsui
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (H.Y.); (T.H.); (T.H.); (S.Y.)
| | - Kiyoe Kurahashi
- Department of Community Medicine for Respirology, Hematology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan;
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (H.Y.); (T.H.); (T.H.); (S.Y.)
| | - Sumiko Yoshida
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (H.Y.); (T.H.); (T.H.); (S.Y.)
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (S.N.); (T.O.); (T.Y.)
| | - Toshiki Otoda
- Department of Community Medicine and Medical Science, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (S.N.); (T.O.); (T.Y.)
| | - Tomoyuki Yuasa
- Department of Community Medicine and Medical Science, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (S.N.); (T.O.); (T.Y.)
| | - Akio Kuroda
- Diabetes Therapeutics and Research Center, Institute of Advanced Medical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (A.K.); (M.M.)
| | - Itsuro Endo
- Department of Bioregulatory Sciences, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan;
| | - Munehide Matsuhisa
- Diabetes Therapeutics and Research Center, Institute of Advanced Medical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (A.K.); (M.M.)
| | - Masahiro Abe
- Department of Hematology, Kawashima Hospital, 6-1 Kitasakoichiban-cho, Tokushima 770-8548, Japan;
| | - Ken-ichi Aihara
- Department of Internal Medicine, Anan Medical Center, 6-1 Kawahara Takarada-cho, Tokushima 774-0045, Japan (M.H.)
- Department of Community Medicine and Medical Science, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan; (S.N.); (T.O.); (T.Y.)
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Masuda S, Hara T, Yamagami H, Mitsui Y, Kurahashi K, Yoshida S, Harada T, Otoda T, Yuasa T, Nakamura S, Kuroda A, Endo I, Matsumoto T, Matsuhisa M, Abe M, Aihara KI. Vascular Endothelial Function Is Associated with eGFR Slope in Female and Non-Smoking Male Individuals with Cardiovascular Risk Factors: A Pilot Study on the Predictive Value of FMD for Renal Prognosis. J Atheroscler Thromb 2023; 30:1727-1741. [PMID: 37081616 PMCID: PMC10627745 DOI: 10.5551/jat.63987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 03/16/2023] [Indexed: 04/22/2023] Open
Abstract
AIMS It is known that there are sex differences in vascular endothelial function and the development of chronic kidney diseases; however, it remains unclear whether sex differences influence the association between vascular endothelial function and renal prognosis. METHODS To clarify the relationship between vascular endothelial function and longitudinal eGFR changes in male and female patients with cardiovascular risk factors, we retrospectively evaluated 341 patients (176 males and 165 females) with cardiovascular risk factors in whom vascular function was assessed by flow-mediated dilation (FMD) and brachial-ankle pulse wave velocity (baPWV) and in whom 24-month longitudinal eGFR values were recorded after the vascular function examinations. Associations of values of FMD and baPWV with values of eGFR slope were statistically analyzed. RESULTS Simple regression analysis showed that the value of FMD was positively associated with eGFR slope in females (p=0.001) and non-smoking males (p=0.033) but not in smoking males. Multiple regression analysis showed that the value of FMD remains a positive contributor for eGFR slope in females (p=0.001) and non-smoking males (p=0.045) but not in smoking males. In contrast, values of baPWV had no significant association with eGFR slope regardless of sex and cigarette smoking. CONCLUSIONS In individuals with cardiovascular risk factors, evaluation of vascular endothelial function enables prediction of renal prognosis in females and non-smoking males.
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Affiliation(s)
- Shiho Masuda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tomoyo Hara
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hiroki Yamagami
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Yukari Mitsui
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kiyoe Kurahashi
- Department of Community Medicine for Respirology, Hematology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Sumiko Yoshida
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Toshiki Otoda
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tomoyuki Yuasa
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Akio Kuroda
- Diabetes Therapeutics and Research Center, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Itsuro Endo
- Department of Bioregulatory Sciences, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Toshio Matsumoto
- Fujii Memorial Institute of Medical Sciences, Tokushima University, Tokushima, Japan
| | - Munehide Matsuhisa
- Diabetes Therapeutics and Research Center, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Ken-ichi Aihara
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
- Department of Internal Medicine, Anan Medical Center, Tokushima, Japan
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Joko Y, Yamamoto Y, Kato S, Takemoto T, Abe M, Matsumoto T, Fukumoto S, Sawatsubashi S. VDR is an essential regulator of hair follicle regression through the progression of cell death. Life Sci Alliance 2023; 6:e202302014. [PMID: 37673445 PMCID: PMC10485823 DOI: 10.26508/lsa.202302014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 08/14/2023] [Accepted: 08/14/2023] [Indexed: 09/08/2023] Open
Abstract
Vitamin D receptor (VDR) is essential for hair follicle homeostasis as its deficiency induces hair loss, although the mechanism involved remains unknown. Our research shows that, in Vdr-knockout mice, the hair cycle is halted during the catagen stage, preceding alopecia. In addition, in Vdr-knockout hair follicles, epithelial strands that normally regress during the catagen phase persist as "surviving epithelial strands." Single-cell RNA sequencing analysis suggests that these surviving epithelial strands are formed by cells in the lower part of the hair follicle. These findings emphasize the importance of the regression phase in hair follicle regeneration and establish VDR as a regulator of the catagen stage.
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Affiliation(s)
- Yudai Joko
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Yoko Yamamoto
- Department of Surgical Oncology, The University of Tokyo, Tokyo, Japan
| | - Shigeaki Kato
- Graduate School of Life Science and Technology, Iryo Sosei University, Fukushima, Japan
| | - Tatsuya Takemoto
- Laboratory for Embryology, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Toshio Matsumoto
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Seiji Fukumoto
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Shun Sawatsubashi
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
- Research and Innovation Liaison Office, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
- Laboratory of Integrative Nuclear Dynamics, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
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Takeno N, Tarumi S, Abe M, Suzuki Y, Kinoshita I, Kato T. Lung adenocarcinoma with micropapillary and solid patterns: Recurrence rate and trends. Thorac Cancer 2023; 14:2987-2992. [PMID: 37658844 PMCID: PMC10599975 DOI: 10.1111/1759-7714.15087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/13/2023] [Accepted: 08/14/2023] [Indexed: 09/05/2023] Open
Abstract
BACKGROUND Lung adenocarcinomas with micropapillary pattern (MP) or solid pattern (SP) have poor prognosis with frequent postoperative recurrence. However, treatment strategies for these histological subtypes have not been established. This study examined the recurrence rates and patterns in patients with these histological subtypes. METHODS Overall, 238 patients with lung adenocarcinoma who underwent radical resection were included. According to the histological subtypes, the patients were classified into three groups: neither MP nor SP (MP-/SP-), MP (MP+), and SP (SP+). The clinical and pathological characteristics and recurrence-free survival (RFS) were examined in each group. In addition, univariate and multivariate analyses were performed to investigate the recurrence factors. The site of recurrence, PD-L1 expression, and driver mutations were examined in patients with postoperative recurrence. RESULTS The recurrence rates were significantly higher in the MP+ and SP+ groups (p = 0.01). The RFS was significantly shorter in the MP+ and SP+ groups (p < 0.001) than in the MP-/SP- group, especially in pStage 1A (p = 0.001). The relationship between recurrence and pathologic factors was significant for pleural, lymphatic, and vascular invasion, as well as MP in univariate analysis and only for MP in multivariate analysis. Most recurrences were distant metastases in the MP+ and SP+ groups. PD-L1 was highly expressed in recurrent SP+ cases. CONCLUSIONS Early-stage lung adenocarcinoma with MP or SP frequently has postoperative recurrence. Prevention of distant metastases is important in these patients to improve prognosis, and aggressive postoperative chemotherapy may be considered.
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Affiliation(s)
- Naoki Takeno
- Department of Thoracic SurgeryKeiyukai Sapporo HospitalSapporoJapan
| | - Shintaro Tarumi
- Department of Thoracic SurgeryKeiyukai Sapporo HospitalSapporoJapan
| | - Masahiro Abe
- Department of Thoracic SurgeryKeiyukai Sapporo HospitalSapporoJapan
| | - Yasuhiro Suzuki
- Department of Thoracic SurgeryKeiyukai Sapporo HospitalSapporoJapan
| | | | - Tatsuya Kato
- Department of Thoracic SurgeryHokkaido UniversitySapporoJapan
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22
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Miyoshi S, Tanabe M, Semba M, Sato C, Aoyama S, Watanabe A, Ito R, Hamada K, Watanabe A, Abe M. Exophiala dermatitidis coinfection with nontuberculous mycobacteria: A case report and literature review. Respirol Case Rep 2023; 11:e01221. [PMID: 37711651 PMCID: PMC10498155 DOI: 10.1002/rcr2.1221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 09/05/2023] [Indexed: 09/16/2023] Open
Abstract
Six years ago, a 60-year-old man presented to our hospital with a cough and sputum. Upon suspicion of nontuberculous mycobacterial (NTM) infection, he was followed up at our hospital. Because the abnormal shadows in the bilateral lung fields deteriorated slightly over 6 years, bronchoscopy was performed. Exophiala dermatitidis and Mycobacterium intracellulare were detected in the bronchial lavage fluid. The patient underwent follow-up examinations without drug administration. Currently, the patient's condition remains stable. E. dermatitidis is regulatory found in the lungs of patients with cystic fibrosis, but only rarely is it found in respiratory samples from patients without cystic fibrosis. However, NTM complications have been reported more frequently in recent years. Due to the increasing number of NTM patients, E. dermatitidis pulmonary infections may also increase. Additional research is required to develop strategies for treating this infection.
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Affiliation(s)
- Seigo Miyoshi
- Department of Respiratory medicineNational Hospital Organization Ehime Medical CenterTōonJapan
| | - Miyuki Tanabe
- Department of Respiratory medicineNational Hospital Organization Ehime Medical CenterTōonJapan
| | - Mayuko Semba
- Department of Respiratory medicineNational Hospital Organization Ehime Medical CenterTōonJapan
| | - Chika Sato
- Department of Respiratory medicineNational Hospital Organization Ehime Medical CenterTōonJapan
| | - Sanae Aoyama
- Department of Respiratory medicineNational Hospital Organization Ehime Medical CenterTōonJapan
| | - Akira Watanabe
- Department of Respiratory medicineNational Hospital Organization Ehime Medical CenterTōonJapan
| | - Ryoji Ito
- Department of Respiratory medicineNational Hospital Organization Ehime Medical CenterTōonJapan
| | - Kumi Hamada
- Department of Clinical laboratoryNational Hospital Organization Ehime Medical CenterTōonJapan
| | - Akira Watanabe
- Medical Mycology Research CenterChiba UniversityChibaJapan
| | - Masahiro Abe
- Department of Respiratory medicineNational Hospital Organization Ehime Medical CenterTōonJapan
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Hara T, Uemoto R, Sekine A, Mitsui Y, Masuda S, Yamagami H, Kurahashi K, Yoshida S, Otoda T, Yuasa T, Kuroda A, Ikeda Y, Endo I, Honda S, Yoshimoto K, Kondo A, Tamaki T, Matsumoto T, Matsuhisa M, Abe M, Aihara KI. Plasma Heparin Cofactor II Activity Is Inversely Associated with Hepatic Fibrosis of Non-Alcoholic Fatty Liver Disease in Patients with Type 2 Diabetes Mellitus. J Atheroscler Thromb 2023; 30:871-883. [PMID: 36244745 PMCID: PMC10406648 DOI: 10.5551/jat.63752] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 09/12/2022] [Indexed: 08/04/2023] Open
Abstract
AIMS Thrombin exerts various pathophysiological functions by activating protease-activated receptors (PARs), and thrombin-induced activation of PARs promotes the development of non-alcoholic fatty liver disease (NAFLD). Since heparin cofactor II (HCII) specifically inactivates thrombin action, we hypothesized that plasma HCII activity correlates with the severity of NAFLD. METHODS A cross-sectional study was conducted. Plasma HCII activity and noninvasive clinical markers of hepatic fibrosis including fibrosis-4 (FIB-4) index, NAFLD fibrosis score (NFS) and aspartate aminotransferase-to-platelet ratio index (APRI) were determined in 305 Japanese patients with type 2 diabetes mellitus (T2DM). The relationships between plasma HCII activity and the clinical markers were statistically evaluated. RESULTS Multiple regression analysis including confounding factors showed that plasma HCII activity independently contributed to decreases in FIB-4 index (p<0.001), NFS (p<0.001) and APRI (p=0.004). In addition, logistic regression analysis for the prevalence of advanced hepatic fibrosis defined by the cutoff points of the clinical scores showed that plasma HCII activity was the sole and common negative factor for prevalence of advanced hepatic fibrosis (FIB-4 index: p=0.002, NFS: p=0.026 and APRI: p=0.012). CONCLUSIONS Plasma HCII activity was inversely associated with clinical hepatic fibrosis indices including FIB-4 index, NFS and APRI and with the prevalence of advanced hepatic fibrosis in patients with T2DM. The results suggest that HCII can serve as a novel biomarker for assessment of hepatic fibrosis of NAFLD in patients with T2DM.
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Affiliation(s)
- Tomoyo Hara
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Ryoko Uemoto
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Akiko Sekine
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Yukari Mitsui
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shiho Masuda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hiroki Yamagami
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kiyoe Kurahashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Sumiko Yoshida
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Toshiki Otoda
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tomoyuki Yuasa
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Akio Kuroda
- Diabetes Therapeutics and Research Center, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Yasumasa Ikeda
- Department of Pharmacology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Itsuro Endo
- Department of Bioregulatory Sciences, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Soichi Honda
- Minami Municipal National Insurance Hospital, Tokushima, Japan
| | - Katsuhiko Yoshimoto
- Department of Medical Pharmacology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
- Kondo Naika Hospital, Tokushima, Japan
| | | | | | - Toshio Matsumoto
- Fujii Memorial Institute of Medical Sciences, Tokushima University, Tokushima, Japan
| | - Munehide Matsuhisa
- Diabetes Therapeutics and Research Center, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Ken-ichi Aihara
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
- Anan Medical Center, Tokushima, Japan
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Yanagawa Y, Muramatsu KI, Abe M, Miyazaki Y. A Fatal Rhizopus Species Infection after Facial Injury in a Patient with Myelodysplastic Syndrome and Diabetes Mellitus. Intern Med 2023; 62:2279-2283. [PMID: 37532516 PMCID: PMC10465287 DOI: 10.2169/internalmedicine.0741-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/28/2022] [Indexed: 08/04/2023] Open
Abstract
A 73-year-old woman with myelodysplastic syndrome and diabetes mellitus, chronic renal failure and paroxysmal atrial fibrillation, received a diagnosis of facial cellulitis and was treated by antibiotics. However, her symptoms deteriorated. Facial magnetic resonance imaging (MRI) showed orbital cellulitis. She had weakness of visual acuity requiring changing the antibiotics. She also underwent steroid pulse treatment. Her symptoms temporarily improved, but she became comatose and died. Results of a molecular analysis of the residual cerebrospinal fluid indicated Rhizopus species infection. For immunocompromised hosts with refractory orbital cellulitis, mucormycosis should be considered as a differential diagnosis, and appropriate treatment should be promptly performed.
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Affiliation(s)
- Youichi Yanagawa
- Department of Acute Critical Care Medicine, Shizuoka Hospital, Juntendo University, Japan
| | - Ken-Ichi Muramatsu
- Department of Acute Critical Care Medicine, Shizuoka Hospital, Juntendo University, Japan
| | - Masahiro Abe
- Department of Fungal Infection, National Institute of Infectious Diseases, Japan
| | - Yoshitsugu Miyazaki
- Department of Fungal Infection, National Institute of Infectious Diseases, Japan
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Okada N, Taro S, Ando H, Nakamura S, Goda M, Abe M, Kitahara T, Ishida T, Ishizawa K. Clinical Impact of Antipolyethylene Glycol (PEG) Antibody in Hematological Patients Administered PEGylated-Granulocyte Colony-Stimulating Factor. Clin Pharmacol Drug Dev 2023; 12:826-831. [PMID: 36708147 DOI: 10.1002/cpdd.1225] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 01/02/2023] [Indexed: 01/29/2023]
Abstract
Polyethylene glycol (PEG) is a polymer covalently attached to proteins to improve their half-life and efficacy. We previously reported that the PEGylated granulocyte colony-stimulating factor (PEG-G-CSF) is immunogenic, which could adversely impact drug efficacy and safety in animal models. Here, we analyzed the relationship between anti-PEG antibody titers and the clinical impact of PEG-G-CSF in 19 hematological patients. A gradual decrease of anti-PEG antibody titers from baseline was observed after PEG-G-CSF administration. Of the 19 participants, 10 were assessed for noninfectious fever after the first administration of PEG-G-CSF and three experienced this reaction. The receiver operating characteristic curve revealed that the cut-off values of pretreated anti-PEG IgM and IgG titers for noninfectious fever were set at 5.0 and 96.6 U/mL, respectively. All patients who experienced noninfectious fever had anti-PEG antibody titers above this cut-off value (P = .033). An enzyme-linked immunosorbent assay revealed that some anti-PEG antibodies in patients with anti-PEG antibody titers above the cut-off value reacted with the PEGylated liposome. These results indicate the reactivity of the anti-PEG antibodies to PEGylated therapeutics observed in hematologic patients and the possibility of the relationship between high titers of anti-PEG antibodies and the development of adverse events after PEG-G-CSF administration.
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Affiliation(s)
- Naoto Okada
- Department of Pharmacy, Tokushima University Hospital, Tokushima, Japan
- Pharmacy Department, Yamaguchi University Hospital, Yamaguchi, Japan
| | - Shimizu Taro
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Hidenori Ando
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Mitsuhiro Goda
- Department of Pharmacy, Tokushima University Hospital, Tokushima, Japan
- Department of Clinical Pharmacology and Therapeutics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Abe
- Department of Haematology, Endocrinology, and Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Takashi Kitahara
- Pharmacy Department, Yamaguchi University Hospital, Yamaguchi, Japan
- Clinical Pharmacology, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - Tatsuhiro Ishida
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Keisuke Ishizawa
- Department of Pharmacy, Tokushima University Hospital, Tokushima, Japan
- Department of Clinical Pharmacology and Therapeutics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
- Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital, Tokushima, Japan
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26
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Oura M, Harada T, Oda A, Teramachi J, Nakayama A, Sumitani R, Inoue Y, Maeda Y, Sogabe K, Maruhashi T, Takahashi M, Fujii S, Nakamura S, Miki H, Nakamura M, Hara T, Yamagami H, Kurahashi K, Endo I, Hasegawa H, Fujiwara H, Abe M. Therapeutic efficacy of the resorcylic acid lactone LL-Z1640-2 for adult T-cell leukaemia/lymphoma. EJHaem 2023; 4:667-678. [PMID: 37601887 PMCID: PMC10435715 DOI: 10.1002/jha2.758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 08/22/2023]
Abstract
Adult T-cell leukaemia/lymphoma (ATL) remains incurable. The NF-κB and interferon regulatory factor 4 (IRF4) signalling pathways are among the critical survival pathways for the progression of ATL. TGF-β-activated kinase 1 (TAK1), an IκB kinase-activating kinase, triggers the activation of NF-κB. The resorcylic acid lactone LL-Z1640-2 is a potent irreversible inhibitor of TAK1/extracellular signal-regulated kinase 2 (ERK2). We herein examined the therapeutic efficacy of LL-Z1640-2 against ATL. LL-Z1640-2 effectively suppressed the in vivo growth of ATL cells. It induced in vitro apoptosis and inhibited the nuclear translocation of p65/RelA in ATL cells. The knockdown of IRF4 strongly induced ATL cell death while downregulating MYC. LL-Z1640-2 as well as the NF-κB inhibitor BAY11-7082 decreased the expression of IRF4 and MYC at the protein and mRNA levels, indicating the suppression of the NF-κB-IRF4-MYC axis. The treatment with LL-Z1640-2 also mitigated the phosphorylation of p38 MAPK along with the expression of CC chemokine receptor 4. Furthermore, the inhibition of STAT3/5 potentiated the cytotoxic activity of LL-Z1640-2 against IL-2-responsive ATL cells in the presence of IL-2. Therefore, LL-Z1640-2 appears to be an effective treatment for ATL. Further studies are needed to develop more potent compounds that retain the active motifs of LL-Z1640-2.
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Affiliation(s)
- Masahiro Oura
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Takeshi Harada
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Asuka Oda
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Jumpei Teramachi
- Department of Oral Function and AnatomyGraduate School of Medicine Dentistryand Pharmaceutical SciencesOkayama UniversityOkayamaJapan
| | - Atsushi Nakayama
- Graduate School of ScienceOsaka Metropolitan UniversityOsakaJapan
| | - Ryohei Sumitani
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Yusuke Inoue
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Yusaku Maeda
- Department of HematologyTokushima University HospitalTokushimaJapan
| | - Kimiko Sogabe
- Department of HematologyTokushima University HospitalTokushimaJapan
| | - Tomoko Maruhashi
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Mamiko Takahashi
- Department of HematologyTokushima University HospitalTokushimaJapan
| | - Shiro Fujii
- Department of HematologyTokushima University HospitalTokushimaJapan
| | - Shingen Nakamura
- Department of Community Medicine and Medical ScienceTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell TherapyTokushima University HospitalTokushimaJapan
| | - Masafumi Nakamura
- Department of Internal MedicineTokushima Prefecture Naruto HospitalTokushimaJapan
| | - Tomoyo Hara
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Hiroki Yamagami
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Kiyoe Kurahashi
- Department of Community Medicine for RespirologyHematology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Itsuro Endo
- Department of Bioregulatory SciencesTokushima University Graduate School of Biomedical SciencesTokushimaJapan
| | - Hiroo Hasegawa
- Department of Laboratory MedicineNagasaki University HospitalNagasakiJapan
| | - Hiroshi Fujiwara
- Department of Personalized Cancer ImmunotherapyMie University Graduate School of MedicineMieJapan
| | - Masahiro Abe
- Department of HematologyEndocrinology and MetabolismTokushima University Graduate School of Biomedical SciencesTokushimaJapan
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27
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Haji S, Miyamoto R, Morino H, Osaki Y, Tsuji S, Nishino I, Abe M, Izumi Y. Autosomal Recessive Spinocerebellar Ataxia Type 9 With a Response to Phosphate Repletion: A Case Report. Neurol Genet 2023; 9:e200070. [PMID: 37529414 PMCID: PMC10389171 DOI: 10.1212/nxg.0000000000200070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 02/17/2023] [Indexed: 08/03/2023]
Abstract
Objective Autosomal recessive spinocerebellar ataxia type 9 (SCAR9) has received attention due to its potential response to coenzyme Q10 (CoQ10) supplementation; however, the response has so far been limited and variable. Methods We report a SCAR9 patient with severe hypophosphatemia who responded well to CoQ10 and phosphate repletion. Results A 70-year-old man (the offspring of a consanguineous marriage) presented with cerebellar ataxia and intense fatigue after exercise. Whole-exome sequencing identified a novel homozygous deletion mutation (NM_020247.5:c.1218_1219del) in COQ8A. We thus diagnosed him with SCAR9. Supplementation of CoQ10 alleviated his symptoms, with the Scale for the Assessment and Rating of Ataxia (SARA) dropping from 16 to 14. During the course of the disease, he demonstrated continuous hypophosphatemia caused by renal phosphate wasting. Gait dysfunction due to weakness and eye movement was partially alleviated, and SARA dropped from 17 to 13 after phosphate repletion. Discussion Phosphate repletion should be considered for patients with severe hypophosphatemia without any apparent subjective symptoms. In this case, phosphate repletion could have improved myopathy leading to partial improvement in the patient's symptoms. Further analyses regarding the association between COQ8A mutation and phosphate wasting are required to elucidate the detailed pathogenesis. Classification of Evidence This provides Class IV evidence. This is a single observational study without controls.
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Affiliation(s)
- Shotaro Haji
- From the Department of Neurology (S.H., R.M., Y.O., Y.I.), Tokushima University Graduate School of Biomedical Sciences; Department of Clinical Neuroscience and Therapeutics (H.M.), Graduate School of Biomedical and Health Sciences; Department of Hematology (S.T., M.A.), Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences; Department of Neuromuscular Research (I.N.), National Institute of Neuroscience, National Centre of Neurology and Psychiatry; and Department of Clinical Genome Analysis (I.N.), Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Ryosuke Miyamoto
- From the Department of Neurology (S.H., R.M., Y.O., Y.I.), Tokushima University Graduate School of Biomedical Sciences; Department of Clinical Neuroscience and Therapeutics (H.M.), Graduate School of Biomedical and Health Sciences; Department of Hematology (S.T., M.A.), Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences; Department of Neuromuscular Research (I.N.), National Institute of Neuroscience, National Centre of Neurology and Psychiatry; and Department of Clinical Genome Analysis (I.N.), Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Hiroyuki Morino
- From the Department of Neurology (S.H., R.M., Y.O., Y.I.), Tokushima University Graduate School of Biomedical Sciences; Department of Clinical Neuroscience and Therapeutics (H.M.), Graduate School of Biomedical and Health Sciences; Department of Hematology (S.T., M.A.), Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences; Department of Neuromuscular Research (I.N.), National Institute of Neuroscience, National Centre of Neurology and Psychiatry; and Department of Clinical Genome Analysis (I.N.), Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yusuke Osaki
- From the Department of Neurology (S.H., R.M., Y.O., Y.I.), Tokushima University Graduate School of Biomedical Sciences; Department of Clinical Neuroscience and Therapeutics (H.M.), Graduate School of Biomedical and Health Sciences; Department of Hematology (S.T., M.A.), Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences; Department of Neuromuscular Research (I.N.), National Institute of Neuroscience, National Centre of Neurology and Psychiatry; and Department of Clinical Genome Analysis (I.N.), Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Seijiro Tsuji
- From the Department of Neurology (S.H., R.M., Y.O., Y.I.), Tokushima University Graduate School of Biomedical Sciences; Department of Clinical Neuroscience and Therapeutics (H.M.), Graduate School of Biomedical and Health Sciences; Department of Hematology (S.T., M.A.), Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences; Department of Neuromuscular Research (I.N.), National Institute of Neuroscience, National Centre of Neurology and Psychiatry; and Department of Clinical Genome Analysis (I.N.), Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Ichizo Nishino
- From the Department of Neurology (S.H., R.M., Y.O., Y.I.), Tokushima University Graduate School of Biomedical Sciences; Department of Clinical Neuroscience and Therapeutics (H.M.), Graduate School of Biomedical and Health Sciences; Department of Hematology (S.T., M.A.), Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences; Department of Neuromuscular Research (I.N.), National Institute of Neuroscience, National Centre of Neurology and Psychiatry; and Department of Clinical Genome Analysis (I.N.), Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Masahiro Abe
- From the Department of Neurology (S.H., R.M., Y.O., Y.I.), Tokushima University Graduate School of Biomedical Sciences; Department of Clinical Neuroscience and Therapeutics (H.M.), Graduate School of Biomedical and Health Sciences; Department of Hematology (S.T., M.A.), Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences; Department of Neuromuscular Research (I.N.), National Institute of Neuroscience, National Centre of Neurology and Psychiatry; and Department of Clinical Genome Analysis (I.N.), Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yuishin Izumi
- From the Department of Neurology (S.H., R.M., Y.O., Y.I.), Tokushima University Graduate School of Biomedical Sciences; Department of Clinical Neuroscience and Therapeutics (H.M.), Graduate School of Biomedical and Health Sciences; Department of Hematology (S.T., M.A.), Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences; Department of Neuromuscular Research (I.N.), National Institute of Neuroscience, National Centre of Neurology and Psychiatry; and Department of Clinical Genome Analysis (I.N.), Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
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28
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Yoneda T, Abe M. Cancer and bone: friendly and hostile relationship. J Bone Miner Metab 2023; 41:289. [PMID: 37160595 DOI: 10.1007/s00774-023-01436-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Affiliation(s)
- Toshiyuki Yoneda
- Department of Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan.
| | - Masahiro Abe
- Department of Hematology, Kawashima Hospital, Tokushima, Japan
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29
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Domoto Y, Abe M, Genov GR, Yu Z, Fujita M. Interconversion of Highly Entangled Polyhedra into Concave Polyhedra by Nitrate-Induced Ternary Coordination. Angew Chem Int Ed Engl 2023:e202303714. [PMID: 37139584 DOI: 10.1002/anie.202303714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/10/2023] [Accepted: 05/03/2023] [Indexed: 05/05/2023]
Abstract
Entangled (M3L2) n polyhedral complexes represent a unique class of supramolecular architectures that are stabilized by relatively weak metal-acetylene interactions in cooperation with conventional metal-pyridyl coordination. Counter-anion exchange of these complexes with a nitrate (NO3-) ion triggered formal metal insertion between the metal centers, and a heteroleptic ternary coordination mode with acetylenic, pyridyl, and nitrate donors was generated on the metal centers. As a result, the main frameworks of the polyhedral complexes M18L12 and M12L8 were formally extended into a new series of concave polyhedra having the compositions M21L12 and M13L8, respectively. This transformation also resulted in the local disconnection of the highly entangled trifurcate topology of the framework, providing clues toward the skeletal editing of extended and complex three-dimensional (3D) architectures.
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Affiliation(s)
- Yuya Domoto
- Gunma University: Gunma Daigaku, Division of Molecular Science, 1-5-1 Tenjin-cho, Kiryu-shi, 3768515, Gunma, JAPAN
| | - Masahiro Abe
- The University of Tokyo: Tokyo Daigaku, Department of Applied Chemistry, JAPAN
| | - Georgi R Genov
- The University of Tokyo: Tokyo Daigaku, Department of Applied Chemistry, JAPAN
| | - Zhengsu Yu
- The University of Tokyo: Tokyo Daigaku, Department of Applied Chemistry, JAPAN
| | - Makoto Fujita
- The University of Tokyo: Tokyo Daigaku, Department of Applied Chemistry, JAPAN
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30
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Nakaue E, Teramachi J, Tenshin H, Hiasa M, Harada T, Oda A, Inoue Y, Shimizu S, Higa Y, Sogabe K, Oura M, Hara T, Sumitani R, Maruhashi T, Yamagami H, Endo I, Tanaka E, Abe M. Mechanisms of preferential bone formation in myeloma bone lesions by proteasome inhibitors. Int J Hematol 2023:10.1007/s12185-023-03601-2. [PMID: 37039914 DOI: 10.1007/s12185-023-03601-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 04/04/2023] [Accepted: 04/04/2023] [Indexed: 04/12/2023]
Abstract
Proteasome inhibitors (PIs) can preferentially restore bone in bone-defective lesions of patients with multiple myeloma (MM) who respond favorably to these drugs. Most prior in vitro studies on PIs used continuous exposure to low PI concentrations, although pharmacokinetic analysis in patients has shown that serum concentrations of PIs change in a pulsatile manner. In the present study, we explored the effects of pulsatile treatment with PIs on bone metabolism to simulate in vivo PI pharmacokinetics. Pulsatile treatment with bortezomib, carfilzomib, or ixazomib induced MM cell death but only marginally affected the viability of osteoclasts (OCs) with F-actin ring formation. Pulsatile PI treatment suppressed osteoclastogenesis in OC precursors and bone resorption by mature OCs. OCs robustly enhanced osteoblastogenesis in cocultures with OCs and MC3T3-E1 pre-osteoblastic cells, indicating OC-mediated coupling to osteoblastogenesis. Importantly, pulsatile PI treatment did not impair robust OC-mediated osteoblastogenesis. These results suggest that PIs might sufficiently reduce MM cell-derived osteoblastogenesis inhibitors to permit OC-driven bone formation coupling while suppressing OC differentiation and activity in good responders to PIs. OC-mediated coupling to osteoblastogenesis appears to be a predominant mechanism for preferential occurrence of bone regeneration at sites of osteoclastic bone destruction in good responders.
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Affiliation(s)
- Emiko Nakaue
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Jumpei Teramachi
- Department of Oral Function and Anatomy, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University Graduate School, 2-5-1 Shikata, Okayama, 700-8525, Japan.
| | - Hirofumi Tenshin
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Hiasa
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Asuka Oda
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Yusuke Inoue
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - So Shimizu
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Yoshiki Higa
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kimiko Sogabe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Masahiro Oura
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Tomoyo Hara
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Ryohei Sumitani
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Tomoko Maruhashi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Hiroki Yamagami
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Itsuro Endo
- Department of Bioregulatory Sciences, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Eiji Tanaka
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan.
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31
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Tanimura K, Nakajima M, Shirakawa N, Tao K, Sugiyama M, Watanabe Y, Arakawa A, Kikuchi M, Takahashi M, Narita Y, Shiotsuka M, Kobayashi O, Iwata S, Yoshida A, Abe M, Yamagoe S, Miyazaki Y, Ogawa C. Surgical site infection caused by Rhizopus caespitosus after metastasectomy for osteosarcoma: First report of infection in humans. Pediatr Blood Cancer 2023; 70:e30049. [PMID: 36317667 DOI: 10.1002/pbc.30049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 09/19/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Kazuki Tanimura
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Miho Nakajima
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Nami Shirakawa
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Kayoko Tao
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Masanaka Sugiyama
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Yuko Watanabe
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Ayumu Arakawa
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Miyu Kikuchi
- Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Masamichi Takahashi
- Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Yoshitaka Narita
- Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Mika Shiotsuka
- Department of Infectious Diseases, National Cancer Center Hospital, Tokyo, Japan
| | - Osamu Kobayashi
- Department of Infectious Diseases, National Cancer Center Hospital, Tokyo, Japan
| | - Satoshi Iwata
- Department of Infectious Diseases, National Cancer Center Hospital, Tokyo, Japan
| | - Akihiko Yoshida
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan
| | - Masahiro Abe
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Satoshi Yamagoe
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yoshitsugu Miyazaki
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Chitose Ogawa
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
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32
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Hori T, Nakamura S, Yamagami H, Yasui S, Hosoki M, Hara T, Mitsui Y, Masuda S, Kurahashi K, Yoshida S, Harada T, Kuroda A, Otoda T, Yuasa T, Endo I, Matsuhisa M, Abe M, Aihara KI. Phase angle and extracellular water-to-total body water ratio estimated by bioelectrical impedance analysis are associated with levels of hemoglobin and hematocrit in patients with diabetes. Heliyon 2023; 9:e14724. [PMID: 37057050 PMCID: PMC10089257 DOI: 10.1016/j.heliyon.2023.e14724] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 02/23/2023] [Accepted: 03/15/2023] [Indexed: 03/28/2023] Open
Abstract
Background Anemia is one of the common complications of diabetes and is associated with mortality. Phase angle (PhA), ratio of extracellular water to total body water (ECW/TBW) and skeletal muscle mass index (SMI) estimated by bioelectrical impedance analysis (BIA) have been used as prognostic indicators for various chronic diseases and frailty. We aimed to clarify the clinical significance of PhA, ECW/TBW and SMI for anemia in patients with diabetes. Materials and methods The values of PhA, ECW/TBW and SMI were estimated by a portable BIA device and blood samples were collected in 371 Japanese patients with diabetes. The relationships of PhA, ECW/TBW and SMI with hemoglobin (Hgb) and hematocrit (Hct) were statistically evaluated. Results In simple linear regression analysis, PhA and SMI were positively correlated with Hgb and Hct levels in total subjects, male subjects and female subjects. In contrast, ECW/TBW was negatively correlated with Hgb and Hct levels regardless of sex. Multivariate regression analysis showed that both PhA and ECW/TBW but not SMI independently contributed to Hgb and Hct levels after adjustment of clinical confounding factors in both males and females. Conclusions PhA and ECW/TBW but not SMI were associated with levels of Hgb and Hct in patients with diabetes. Therefore, aberrant values of PhA and ECW/TBW suggest a risk of anemia in diabetic patients.
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33
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Harada T, Ohguchi H, Oda A, Nakao M, Teramachi J, Hiasa M, Sumitani R, Oura M, Sogabe K, Maruhashi T, Takahashi M, Fujii S, Nakamura S, Miki H, Kagawa K, Ozaki S, Sano S, Hideshima T, Abe M. Novel antimyeloma therapeutic option with inhibition of the HDAC1-IRF4 axis and PIM kinase. Blood Adv 2023; 7:1019-1032. [PMID: 36129197 PMCID: PMC10036510 DOI: 10.1182/bloodadvances.2022007155] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/20/2022] Open
Abstract
Multiple myeloma (MM) preferentially expands and acquires drug resistance in the bone marrow (BM). We herein examined the role of histone deacetylase 1 (HDAC1) in the constitutive activation of the master transcription factor IRF4 and the prosurvival mediator PIM2 kinase in MM cells. The knockdown or inhibition of HDAC1 by the class I HDAC inhibitor MS-275 reduced the basal expression of IRF4 and PIM2 in MM cells. Mechanistically, the inhibition of HDAC1 decreased IRF4 transcription through histone hyperacetylation and inhibiting the recruitment of RNA polymerase II at the IRF4 locus, thereby reducing IRF4-targeting genes, including PIM2. In addition to the transcriptional regulation of PIM2 by the HDAC1-IRF4 axis, PIM2 was markedly upregulated by external stimuli from BM stromal cells and interleukin-6 (IL-6). Upregulated PIM2 contributed to the attenuation of the cytotoxic effects of MS-275. Class I HDAC and PIM kinase inhibitors cooperatively suppressed MM cell growth in the presence of IL-6 and in vivo. Therefore, the present results demonstrate the potential of the simultaneous targeting of the intrinsic HDAC1-IRF4 axis plus externally activated PIM2 as an efficient therapeutic option for MM fostered in the BM.
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Affiliation(s)
- Takeshi Harada
- Department of Hematology, Endocrinology, and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hiroto Ohguchi
- Division of Disease Epigenetics, Institute of Resource Development and Analysis, Kumamoto University, Kumamoto, Japan
| | - Asuka Oda
- Department of Hematology, Endocrinology, and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Michiyasu Nakao
- Department of Molecular Medicinal Chemistry, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Jumpei Teramachi
- Department of Oral Function and Anatomy, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Masahiro Hiasa
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Ryohei Sumitani
- Department of Hematology, Endocrinology, and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Oura
- Department of Hematology, Endocrinology, and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kimiko Sogabe
- Department of Hematology, Endocrinology, and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tomoko Maruhashi
- Department of Hematology, Endocrinology, and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Mamiko Takahashi
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Shiro Fujii
- Department of Hematology, Tokushima University Hospital, Tokushima, Japan
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell Therapy, Tokushima University Hospital, Tokushima, Japan
| | - Kumiko Kagawa
- Department of Hematology, Tokushima Prefectural Central Hospital, Tokushima, Japan
| | - Shuji Ozaki
- Department of Hematology, Tokushima Prefectural Central Hospital, Tokushima, Japan
| | - Shigeki Sano
- Department of Molecular Medicinal Chemistry, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Teru Hideshima
- Department of Medical Oncology, Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Masahiro Abe
- Department of Hematology, Endocrinology, and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
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34
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Suga Y, Watanabe N, Suzuki K, Koyama S, Taji Y, Hirano H, Hayashi T, Abe M, Miyazaki Y, Baba Y, Kurita H, Mitsutake K, Ebihara Y. Otitis externa caused by Malassezia slooffiae complicated with mastoiditis: A case report. J Infect Chemother 2023; 29:353-356. [PMID: 36522818 DOI: 10.1016/j.jiac.2022.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 10/19/2022] [Accepted: 11/16/2022] [Indexed: 11/27/2022]
Abstract
Herein, we report a case of otitis externa caused by Malassezia slooffiae complicated with mastoiditis. A 70-year-old male complained of fever and severe otorrhea from left external auditory canal 2 months after undergoing a craniotomy to remove a hematoma. He had right-sided paralysis and undertook bed rest. Brain computed tomography revealed continuous fluid accumulation in the left mastoid air cells and middle ear from left external auditory canal in addition to leukocytosis and increased C-reactive protein level. The tympanic membrane was severely swelling. These results indicated the presence of otitis media and mastoiditis. Otorrhea culture showed large amounts of M. slooffiae. The administration of liposomal amphotericin B (L-AMB), the irrigation of external auditory canal with normal saline, and the application of topical ketoconazole ointment were started. The administration of L-AMB for 8 weeks and voriconazole, which was switched from L-AMB, for 4 weeks ameliorated his infection and he was transferred to another hospital to receive rehabilitation. From these results and his clinical course, the diagnosis of otitis externa caused by Malassezia slooffiae complicated with mastoiditis was made. And the possibility of the contamination by M. slooffiae was very low. Clinicians should be aware that M.slooffiae can provoke otological infections since M. slooffiae is the most common Malassezia sp. in external auditory canal.
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Affiliation(s)
- Yuto Suga
- Clinical Laboratory, Saitama Medical University International Medical Center, Saitama, Japan
| | - Noriyuki Watanabe
- Clinical Laboratory, Saitama Medical University International Medical Center, Saitama, Japan
| | - Kaima Suzuki
- Department of Neurosurgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Sachie Koyama
- Clinical Laboratory, Saitama Medical University International Medical Center, Saitama, Japan
| | - Yoshitada Taji
- Clinical Laboratory, Saitama Medical University International Medical Center, Saitama, Japan
| | - Hiroto Hirano
- Department of Head and Neck Surgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Takahiro Hayashi
- Department of Head and Neck Surgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Masahiro Abe
- Department of Fungal Infection, National Institute of Infectious Disease, Tokyo, Japan
| | - Yoshitsugu Miyazaki
- Department of Fungal Infection, National Institute of Infectious Disease, Tokyo, Japan
| | - Yasutaka Baba
- Department of Diagnostic Imaging, Saitama Medical University International Medical Center, Saitama, Japan
| | - Hiroki Kurita
- Department of Neurosurgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Kotaro Mitsutake
- Department of Infectious Diseases and Infection, Saitama Medical University International Medical Center, Saitama, Japan
| | - Yasuhiro Ebihara
- Clinical Laboratory, Saitama Medical University International Medical Center, Saitama, Japan; Department of Laboratory Medicine, Saitama Medical University International Medical Center, Saitama, Japan.
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35
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Teramachi J, Miki H, Nakamura S, Hiasa M, Harada T, Abe M. Myeloma bone disease: pathogenesis and management in the era of new anti-myeloma agents. J Bone Miner Metab 2023; 41:388-403. [PMID: 36856824 PMCID: PMC9975874 DOI: 10.1007/s00774-023-01403-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 01/20/2023] [Indexed: 03/02/2023]
Abstract
INTRODUCTION Multiple myeloma (MM) is a malignancy of plasma cells with characteristic bone disease. Despite recent great strides achieved in MM treatment owing to the implementation of new anti-MM agents, MM is still incurable and bone destruction remains a serious unmet issue in patients with MM. APPROACH In this review, we will summarize and discuss the mechanisms of the formation of bone disease in MM and the available preclinical and clinical evidence on the treatment for MM bone disease. CONCLUSIONS MM cells produce a variety of cytokines to stimulate receptor activator of nuclear factor-κB ligand-mediated osteoclastogenesis and suppress osteoblastic differentiation from bone marrow stromal cells, leading to extensive bone destruction with rapid loss of bone. MM cells alter the microenvironment through bone destruction where they colonize, which in turn favors tumor growth and survival, thereby forming a vicious cycle between tumor progression and bone destruction. Denosumab or zoledronic acid is currently recommended to be administered at the start of treatment in newly diagnosed patients with MM with bone disease. Proteasome inhibitors and the anti-CD38 monoclonal antibody daratumumab have been demonstrated to exert bone-modifying activity in responders. Besides their anti-tumor activity, the effects of new anti-MM agents on bone metabolism should be more precisely analyzed in patients with MM. Because prognosis in patients with MM has been significantly improved owing to the implementation of new agents, the therapeutic impact of bone-modifying agents should be re-estimated in the era of these new agents.
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Affiliation(s)
- Jumpei Teramachi
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan.
- Department of Oral Function and Anatomy, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University Graduate School, 2-5-1 Shikata, Okayama, 700-8525, Japan.
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell Therapy, Tokushima University Hospital, Tokushima, Japan
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masahiro Hiasa
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto, Tokushima, 770-8503, Japan.
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36
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Nakamura T, Matsumoto M, Amano K, Enokido Y, Zolensky ME, Mikouchi T, Genda H, Tanaka S, Zolotov MY, Kurosawa K, Wakita S, Hyodo R, Nagano H, Nakashima D, Takahashi Y, Fujioka Y, Kikuiri M, Kagawa E, Matsuoka M, Brearley AJ, Tsuchiyama A, Uesugi M, Matsuno J, Kimura Y, Sato M, Milliken RE, Tatsumi E, Sugita S, Hiroi T, Kitazato K, Brownlee D, Joswiak DJ, Takahashi M, Ninomiya K, Takahashi T, Osawa T, Terada K, Brenker FE, Tkalcec BJ, Vincze L, Brunetto R, Aléon-Toppani A, Chan QHS, Roskosz M, Viennet JC, Beck P, Alp EE, Michikami T, Nagaashi Y, Tsuji T, Ino Y, Martinez J, Han J, Dolocan A, Bodnar RJ, Tanaka M, Yoshida H, Sugiyama K, King AJ, Fukushi K, Suga H, Yamashita S, Kawai T, Inoue K, Nakato A, Noguchi T, Vilas F, Hendrix AR, Jaramillo-Correa C, Domingue DL, Dominguez G, Gainsforth Z, Engrand C, Duprat J, Russell SS, Bonato E, Ma C, Kawamoto T, Wada T, Watanabe S, Endo R, Enju S, Riu L, Rubino S, Tack P, Takeshita S, Takeichi Y, Takeuchi A, Takigawa A, Takir D, Tanigaki T, Taniguchi A, Tsukamoto K, Yagi T, Yamada S, Yamamoto K, Yamashita Y, Yasutake M, Uesugi K, Umegaki I, Chiu I, Ishizaki T, Okumura S, Palomba E, Pilorget C, Potin SM, Alasli A, Anada S, Araki Y, Sakatani N, Schultz C, Sekizawa O, Sitzman SD, Sugiura K, Sun M, Dartois E, De Pauw E, Dionnet Z, Djouadi Z, Falkenberg G, Fujita R, Fukuma T, Gearba IR, Hagiya K, Hu MY, Kato T, Kawamura T, Kimura M, Kubo MK, Langenhorst F, Lantz C, Lavina B, Lindner M, Zhao J, Vekemans B, Baklouti D, Bazi B, Borondics F, Nagasawa S, Nishiyama G, Nitta K, Mathurin J, Matsumoto T, Mitsukawa I, Miura H, Miyake A, Miyake Y, Yurimoto H, Okazaki R, Yabuta H, Naraoka H, Sakamoto K, Tachibana S, Connolly HC, Lauretta DS, Yoshitake M, Yoshikawa M, Yoshikawa K, Yoshihara K, Yokota Y, Yogata K, Yano H, Yamamoto Y, Yamamoto D, Yamada M, Yamada T, Yada T, Wada K, Usui T, Tsukizaki R, Terui F, Takeuchi H, Takei Y, Iwamae A, Soejima H, Shirai K, Shimaki Y, Senshu H, Sawada H, Saiki T, Ozaki M, Ono G, Okada T, Ogawa N, Ogawa K, Noguchi R, Noda H, Nishimura M, Namiki N, Nakazawa S, Morota T, Miyazaki A, Miura A, Mimasu Y, Matsumoto K, Kumagai K, Kouyama T, Kikuchi S, Kawahara K, Kameda S, Iwata T, Ishihara Y, Ishiguro M, Ikeda H, Hosoda S, Honda R, Honda C, Hitomi Y, Hirata N, Hirata N, Hayashi T, Hayakawa M, Hatakeda K, Furuya S, Fukai R, Fujii A, Cho Y, Arakawa M, Abe M, Watanabe S, Tsuda Y. Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples. Science 2023; 379:eabn8671. [PMID: 36137011 DOI: 10.1126/science.abn8671] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Samples of the carbonaceous asteroid Ryugu were brought to Earth by the Hayabusa2 spacecraft. We analyzed 17 Ryugu samples measuring 1 to 8 millimeters. Carbon dioxide-bearing water inclusions are present within a pyrrhotite crystal, indicating that Ryugu's parent asteroid formed in the outer Solar System. The samples contain low abundances of materials that formed at high temperatures, such as chondrules and calcium- and aluminum-rich inclusions. The samples are rich in phyllosilicates and carbonates, which formed through aqueous alteration reactions at low temperature, high pH, and water/rock ratios of <1 (by mass). Less altered fragments contain olivine, pyroxene, amorphous silicates, calcite, and phosphide. Numerical simulations, based on the mineralogical and physical properties of the samples, indicate that Ryugu's parent body formed ~2 million years after the beginning of Solar System formation.
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Affiliation(s)
- T Nakamura
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - M Matsumoto
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - K Amano
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - Y Enokido
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - M E Zolensky
- NASA Johnson Space Center; Houston, TX 77058, USA
| | - T Mikouchi
- The University Museum, The University of Tokyo, Tokyo 113-0033, Japan
| | - H Genda
- Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - S Tanaka
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan
| | - M Y Zolotov
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA
| | - K Kurosawa
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - S Wakita
- Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - R Hyodo
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - H Nagano
- Department of Mechanical Systems Engineering, Nagoya University, Nagoya 464-8603, Japan
| | - D Nakashima
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - Y Takahashi
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan.,Isotope Science Center, The University of Tokyo, Tokyo 113-0032, Japan
| | - Y Fujioka
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - M Kikuiri
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - E Kagawa
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - M Matsuoka
- Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique (LESIA), Observatoire de Paris, Meudon 92195 France.,Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, 305-8567, Japan
| | - A J Brearley
- Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, USA
| | - A Tsuchiyama
- Research Organization of Science and Technology, Ritsumeikan University, Kusatsu 525-8577, Japan.,Key Laboratory of Mineralogy and Metallogeny, Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences (CAS), Guangzhou 510640, China.,Center for Excellence in Deep Earth Science, CAS, Guangzhou 510640, China
| | - M Uesugi
- Scattering and Imaging Division, Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan
| | - J Matsuno
- Research Organization of Science and Technology, Ritsumeikan University, Kusatsu 525-8577, Japan
| | - Y Kimura
- Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan
| | - M Sato
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - R E Milliken
- Department of Earth, Environmental, and Planetary Sciences, Brown University, Providence, RI 02912, USA
| | - E Tatsumi
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan.,Instituto de Astrofísica de Canarias, University of La Laguna, Tenerife 38205, Spain
| | - S Sugita
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan.,Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - T Hiroi
- Department of Earth, Environmental, and Planetary Sciences, Brown University, Providence, RI 02912, USA
| | - K Kitazato
- Aizu Research Center for Space Informatics, The University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - D Brownlee
- Department of Astronomy, University of Washington, Seattle, WA 98195 USA
| | - D J Joswiak
- Department of Astronomy, University of Washington, Seattle, WA 98195 USA
| | - M Takahashi
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - K Ninomiya
- Institute for Radiation Sciences, Osaka University, Toyonaka 560-0043, Japan
| | - T Takahashi
- Kavli Institute for the Physics and Mathematics of the Universe, The University of Tokyo, Kashiwa 277-8583, Japan.,Department of Physics, The University of Tokyo, Tokyo 113-0033, Japan
| | - T Osawa
- Materials Sciences Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan
| | - K Terada
- Department of Earth and Space Science, Osaka University, Toyonaka 560-0043, Japan
| | - F E Brenker
- Institute of Geoscience, Goethe University, Frankfurt, 60438 Frankfurt am Main, Germany
| | - B J Tkalcec
- Institute of Geoscience, Goethe University, Frankfurt, 60438 Frankfurt am Main, Germany
| | - L Vincze
- Department of Chemistry, Ghent University, Krijgslaan 281 S12, Ghent, Belgium
| | - R Brunetto
- Institut d'Astrophysique Spatiale, Université Paris-Saclay, Orsay 91405, France
| | - A Aléon-Toppani
- Institut d'Astrophysique Spatiale, Université Paris-Saclay, Orsay 91405, France
| | - Q H S Chan
- Department of Earth Sciences, Royal Holloway, University of London, Egham TW20 0EX, UK
| | - M Roskosz
- Institut de Minéralogie, Physique des Matériaux et Cosmochimie, Muséum National d'Histoire Naturelle, Centre national de la recherche scientifique (CNRS), Sorbonne Université, Paris, France
| | - J-C Viennet
- Institut de Minéralogie, Physique des Matériaux et Cosmochimie, Muséum National d'Histoire Naturelle, Centre national de la recherche scientifique (CNRS), Sorbonne Université, Paris, France
| | - P Beck
- Institut de Planétologie et d'Astrophysique de Grenoble, CNRS, Université Grenoble Alpes, 38000 Grenoble, France
| | - E E Alp
- Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA
| | - T Michikami
- Faculty of Engineering, Kindai University, Higashi-Hiroshima 739-2116, Japan
| | - Y Nagaashi
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan.,Department of Planetology, Kobe University, Kobe 657-8501, Japan
| | - T Tsuji
- Department of Earth Resources Engineering, Kyushu University, Fukuoka 819-0395, Japan.,School of Engineering, The University of Tokyo, Tokyo 113-0033, Japan
| | - Y Ino
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Physics, Kwansei Gakuin University, Sanda 669-1330, Japan
| | - J Martinez
- NASA Johnson Space Center; Houston, TX 77058, USA
| | - J Han
- Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX 77204, USA
| | - A Dolocan
- Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA
| | - R J Bodnar
- Department of Geoscience, Virginia Tech, Blacksburg, VA 24061, USA
| | - M Tanaka
- Materials Analysis Station, National Institute for Materials Science, Tsukuba 305-0047, Japan
| | - H Yoshida
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - K Sugiyama
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - A J King
- Department of Earth Science, Natural History Museum, London SW7 5BD, UK
| | - K Fukushi
- Institute of Nature and Environmental Technology, Kanazawa University, Kanazawa 920-1192, Japan
| | - H Suga
- Spectroscopy Division, Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan
| | - S Yamashita
- Department of Materials Structure Science, The Graduate University for Advanced Studies (SOKENDAI), Tsukuba, Ibaraki 305-0801, Japan.,Institute of Materials Structure Science, High-Energy Accelerator Research Organization, Tsukuba 305-0801, Japan
| | - T Kawai
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - K Inoue
- Institute of Nature and Environmental Technology, Kanazawa University, Kanazawa 920-1192, Japan
| | - A Nakato
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Noguchi
- Division of Earth and Planetary Sciences, Kyoto University, Kyoto 606-8502, Japan.,Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
| | - F Vilas
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - A R Hendrix
- Planetary Science Institute, Tucson, AZ 85719, USA
| | | | - D L Domingue
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - G Dominguez
- Department of Physics, California State University, San Marcos, CA 92096, USA
| | - Z Gainsforth
- Space Sciences Laboratory, University of California, Berkeley, CA 94720, USA
| | - C Engrand
- Laboratoire de Physique des 2 Infinis Irène Joliot-Curie, Université Paris-Saclay, CNRS, 91405 Orsay, France
| | - J Duprat
- Institut de Minéralogie, Physique des Matériaux et Cosmochimie, Muséum National d'Histoire Naturelle, Centre national de la recherche scientifique (CNRS), Sorbonne Université, Paris, France
| | - S S Russell
- Department of Earth Science, Natural History Museum, London SW7 5BD, UK
| | - E Bonato
- Institute for Planetary Research, Deutsches Zentrum für Luftund Raumfahrt, Rutherfordstraße 2 12489 Berlin, Germany
| | - C Ma
- Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena CA 91125, USA
| | - T Kawamoto
- Department of Geosciences, Shizuoka University, Shizuoka 422-8529, Japan
| | - T Wada
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - S Watanabe
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Kavli Institute for the Physics and Mathematics of the Universe, The University of Tokyo, Kashiwa 277-8583, Japan
| | - R Endo
- Department of Materials Science and Engineering, Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - S Enju
- Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
| | - L Riu
- European Space Astronomy Centre, 28692 Villanueva de la Cañada, Spain
| | - S Rubino
- Institut d'Astrophysique Spatiale, Université Paris-Saclay, Orsay 91405, France
| | - P Tack
- Department of Chemistry, Ghent University, Krijgslaan 281 S12, Ghent, Belgium
| | - S Takeshita
- High Energy Accelerator Research Organization, Tokai 319-1106, Japan
| | - Y Takeichi
- Department of Materials Structure Science, The Graduate University for Advanced Studies (SOKENDAI), Tsukuba, Ibaraki 305-0801, Japan.,Institute of Materials Structure Science, High-Energy Accelerator Research Organization, Tsukuba 305-0801, Japan.,Department of Applied Physics, Osaka University, Suita 565-0871, Japan
| | - A Takeuchi
- Scattering and Imaging Division, Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan
| | - A Takigawa
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - D Takir
- NASA Johnson Space Center; Houston, TX 77058, USA
| | | | - A Taniguchi
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori 590-0494, Japan
| | - K Tsukamoto
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - T Yagi
- National Metrology Institute of Japan, AIST, Tsukuba 305-8565, Japan
| | - S Yamada
- Department of Physics, Rikkyo University, Tokyo 171-8501, Japan
| | - K Yamamoto
- Japan Fine Ceramics Center, Nagoya 456-8587, Japan
| | - Y Yamashita
- National Metrology Institute of Japan, AIST, Tsukuba 305-8565, Japan
| | - M Yasutake
- Scattering and Imaging Division, Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan
| | - K Uesugi
- Scattering and Imaging Division, Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan
| | - I Umegaki
- High Energy Accelerator Research Organization, Tokai 319-1106, Japan.,Toyota Central Research and Development Laboratories, Nagakute 480-1192, Japan
| | - I Chiu
- Institute for Radiation Sciences, Osaka University, Toyonaka 560-0043, Japan
| | - T Ishizaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Okumura
- Division of Earth and Planetary Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - E Palomba
- Istituto di Astrofisica e Planetologia Spaziali, Istituto Nazionale di Astrofisica, Rome 00133, Italy
| | - C Pilorget
- Institut d'Astrophysique Spatiale, Université Paris-Saclay, Orsay 91405, France.,Institut Universitaire de France, Paris, France
| | - S M Potin
- Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique (LESIA), Observatoire de Paris, Meudon 92195 France.,Faculty of Aerospace Engineering, Delft University of Technology, Delft, Netherlands
| | - A Alasli
- Department of Mechanical Systems Engineering, Nagoya University, Nagoya 464-8603, Japan
| | - S Anada
- Japan Fine Ceramics Center, Nagoya 456-8587, Japan
| | - Y Araki
- Department of Physical Sciences, Ritsumeikan University, Shiga 525-0058, Japan
| | - N Sakatani
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Physics, Rikkyo University, Tokyo 171-8501, Japan
| | - C Schultz
- Department of Earth, Environmental, and Planetary Sciences, Brown University, Providence, RI 02912, USA
| | - O Sekizawa
- Spectroscopy Division, Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan
| | - S D Sitzman
- Physical Sciences Laboratory, The Aerospace Corporation, CA 90245, USA
| | - K Sugiura
- Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - M Sun
- Key Laboratory of Mineralogy and Metallogeny, Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences (CAS), Guangzhou 510640, China.,Center for Excellence in Deep Earth Science, CAS, Guangzhou 510640, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - E Dartois
- Institut des Sciences Moléculaires d'Orsay, Université Paris-Saclay, CNRS, 91405 Orsay, France
| | - E De Pauw
- Department of Chemistry, Ghent University, Krijgslaan 281 S12, Ghent, Belgium
| | - Z Dionnet
- Institut d'Astrophysique Spatiale, Université Paris-Saclay, Orsay 91405, France
| | - Z Djouadi
- Institut d'Astrophysique Spatiale, Université Paris-Saclay, Orsay 91405, France
| | - G Falkenberg
- Deutsches Elektronen-Synchrotron Photon Science, 22603 Hamburg, Germany
| | - R Fujita
- Department of Mechanical Systems Engineering, Nagoya University, Nagoya 464-8603, Japan
| | - T Fukuma
- Nano Life Science Institute, Kanazawa University, Kanazawa 920-1192, Japan
| | - I R Gearba
- Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA
| | - K Hagiya
- Graduate School of Life Science, University of Hyogo, Hyogo 678-1297, Japan
| | - M Y Hu
- Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA
| | - T Kato
- Japan Fine Ceramics Center, Nagoya 456-8587, Japan
| | - T Kawamura
- Institut de Physique du Globe de Paris, Université de Paris, Paris 75205, France
| | - M Kimura
- Department of Materials Structure Science, The Graduate University for Advanced Studies (SOKENDAI), Tsukuba, Ibaraki 305-0801, Japan.,Institute of Materials Structure Science, High-Energy Accelerator Research Organization, Tsukuba 305-0801, Japan
| | - M K Kubo
- Division of Natural Sciences, International Christian University, Mitaka 181-8585, Japan
| | - F Langenhorst
- Institute of Geosciences, Friedrich-Schiller-Universität Jena, 07745 Jena, Germany
| | - C Lantz
- Institut d'Astrophysique Spatiale, Université Paris-Saclay, Orsay 91405, France
| | - B Lavina
- Center for Advanced Radiation Sources, University of Chicago, Chicago, IL 60637, USA
| | - M Lindner
- Institute of Geoscience, Goethe University, Frankfurt, 60438 Frankfurt am Main, Germany
| | - J Zhao
- Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA
| | - B Vekemans
- Department of Chemistry, Ghent University, Krijgslaan 281 S12, Ghent, Belgium
| | - D Baklouti
- Institut d'Astrophysique Spatiale, Université Paris-Saclay, Orsay 91405, France
| | - B Bazi
- Department of Chemistry, Ghent University, Krijgslaan 281 S12, Ghent, Belgium
| | - F Borondics
- Optimized Light Source of Intermediate Energy to LURE (SOLEIL) L'Orme des Merisiers, Gif sur Yvette F-91192, France
| | - S Nagasawa
- Kavli Institute for the Physics and Mathematics of the Universe, The University of Tokyo, Kashiwa 277-8583, Japan.,Department of Physics, The University of Tokyo, Tokyo 113-0033, Japan
| | - G Nishiyama
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - K Nitta
- Spectroscopy Division, Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan
| | - J Mathurin
- Institut Chimie Physique, Université Paris-Saclay, CNRS, 91405 Orsay, France
| | - T Matsumoto
- Division of Earth and Planetary Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - I Mitsukawa
- Division of Earth and Planetary Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - H Miura
- Graduate School of Science, Nagoya City University, Nagoya 467-8501, Japan
| | - A Miyake
- Division of Earth and Planetary Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Y Miyake
- High Energy Accelerator Research Organization, Tokai 319-1106, Japan
| | - H Yurimoto
- Department of Natural History Sciences, Hokkaido University, Sapporo 060-0810, Japan
| | - R Okazaki
- Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - H Yabuta
- Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
| | - H Naraoka
- Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - K Sakamoto
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Tachibana
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - H C Connolly
- Department of Geology, Rowan University, Glassboro, NJ 08028, USA
| | - D S Lauretta
- Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA
| | - M Yoshitake
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Yoshikawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan
| | - K Yoshikawa
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - K Yoshihara
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Yokota
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Yogata
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - H Yano
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan
| | - Y Yamamoto
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan
| | - D Yamamoto
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Yamada
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - T Yamada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Yada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Wada
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - T Usui
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - R Tsukizaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - F Terui
- Department of Mechanical Engineering, Kanagawa Institute of Technology, Atsugi 243-0292, Japan
| | - H Takeuchi
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan
| | - Y Takei
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - A Iwamae
- Marine Works Japan, Yokosuka 237-0063, Japan
| | - H Soejima
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Marine Works Japan, Yokosuka 237-0063, Japan
| | - K Shirai
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Shimaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - H Senshu
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - H Sawada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Saiki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Ozaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan
| | - G Ono
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - T Okada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Chemistry, The University of Tokyo, Tokyo 113-0033, Japan
| | - N Ogawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Ogawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - R Noguchi
- Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - H Noda
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - M Nishimura
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - N Namiki
- Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan.,National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - S Nakazawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Morota
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - A Miyazaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - A Miura
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Mimasu
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Matsumoto
- Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan.,National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - K Kumagai
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Marine Works Japan, Yokosuka 237-0063, Japan
| | - T Kouyama
- Digital Architecture Research Center, National Institute of Advanced Industrial Science and Technology, Tokyo 135-0064, Japan
| | - S Kikuchi
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan.,National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - K Kawahara
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Kameda
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Physics, Rikkyo University, Tokyo 171-8501, Japan
| | - T Iwata
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan
| | - Y Ishihara
- JAXA Space Exploration Center, JAXA, Sagamihara 252-5210, Japan
| | - M Ishiguro
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Korea
| | - H Ikeda
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - S Hosoda
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - R Honda
- Department of Information Science, Kochi University, Kochi 780-8520, Japan.,Center for Data Science, Ehime University, Matsuyama 790-8577, Japan
| | - C Honda
- Aizu Research Center for Space Informatics, The University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - Y Hitomi
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Marine Works Japan, Yokosuka 237-0063, Japan
| | - N Hirata
- Department of Planetology, Kobe University, Kobe 657-8501, Japan
| | - N Hirata
- Aizu Research Center for Space Informatics, The University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - T Hayashi
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Hayakawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Hatakeda
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Marine Works Japan, Yokosuka 237-0063, Japan
| | - S Furuya
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - R Fukai
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - A Fujii
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Cho
- Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - M Arakawa
- Department of Planetology, Kobe University, Kobe 657-8501, Japan
| | - M Abe
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Hayama 240-0193, Japan
| | - S Watanabe
- Department of Earth and Environmental Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Y Tsuda
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
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Tamura D, Abe M, Ikarashi D, Kato R, Kato Y, Maekawa S, Kanehira M, Takata R, Suzuki Y, Nakagawa H, Nishizuka S, Obara W. Detection of individualized mutations and monitoring of postoperative recurrence using circulating tumor DNA in patients with upper tract urothelial carcinoma. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00965-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Yamagami J, Kurihara Y, Funakoshi T, Saito Y, Tanaka R, Takahashi H, Ujiie H, Iwata H, Hirai Y, Iwatsuki K, Ishii N, Sakurai J, Abe T, Takemura R, Mashino N, Abe M, Amagai M. Rituximab therapy for intractable pemphigus: A multicenter, open-label, single-arm, prospective study of 20 Japanese patients. J Dermatol 2023; 50:175-182. [PMID: 36196051 PMCID: PMC10091989 DOI: 10.1111/1346-8138.16597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 09/14/2022] [Accepted: 09/18/2022] [Indexed: 02/04/2023]
Abstract
This was a multicenter clinical trial of rituximab, a chimeric monoclonal IgG antibody directed against CD20, for the treatment of refractory pemphigus vulgaris and pemphigus foliaceus. In total, 20 patients were treated with two doses of rituximab (1000 mg; 2 weeks apart) on days 0 and 14. The primary end point was the proportion of patients who achieved complete or partial remission on day 168 following the first rituximab dose. Of the 20 enrolled patients, 11 (55%) and four (20%) achieved complete and partial remission, respectively; therefore, remission was achieved in a total of 15 patients (75.0% [95% confidence interval, 50.9%-91.3%]). It was demonstrated that the remission rate was greater than the prespecified threshold (5%). In addition, a significant improvement in clinical score (Pemphigus Disease Area Index) and decrease in serum anti-desmoglein antibody level were observed over time. Four serious adverse events (heart failure, pneumonia, radial fracture, and osteonecrosis) were recorded in two patients, of which only pneumonia was considered causally related with rituximab. The level of peripheral blood CD19-positive B lymphocytes was decreased on day 28 after rituximab treatment and remained low throughout the study period until day 168. Our results confirm the efficacy and safety of rituximab therapy for refractory pemphigus in Japanese patients.
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Affiliation(s)
- Jun Yamagami
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan.,Department of Dermatology, Tokyo Women's Medical University, Tokyo, Japan
| | - Yuichi Kurihara
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan
| | - Takeru Funakoshi
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan
| | - Yasuko Saito
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan
| | - Ryo Tanaka
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan
| | - Hayato Takahashi
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan
| | - Hideyuki Ujiie
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Hiroaki Iwata
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.,Department of Dermatology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Yoji Hirai
- Department of Dermatology, Okayama University School of Medicine, Okayama, Japan
| | - Keiji Iwatsuki
- Department of Dermatology, Okayama University School of Medicine, Okayama, Japan
| | - Norito Ishii
- Department of Dermatology, Kurume University School of Medicine, Kurume, Japan
| | - Jun Sakurai
- Center for Innovative Clinical Medicine, Okayama University Hospital, Okayama, Japan
| | - Takayuki Abe
- Biostatistics, Clinical and Translational Research Center, Keio University School of Medicine, Tokyo, Japan.,Yokohama City University School of Data Science, Yokohama, Japan
| | - Ryo Takemura
- Biostatistics, Clinical and Translational Research Center, Keio University School of Medicine, Tokyo, Japan
| | - Naomi Mashino
- Prescription Products Development Department, Zenyaku Kogyo Co., Ltd., Tokyo, Japan
| | - Masahiro Abe
- Prescription Products Development Department, Zenyaku Kogyo Co., Ltd., Tokyo, Japan
| | - Masayuki Amagai
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan
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39
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Abstract
Although double-stranded structures are commonly found in biopolymers, a general and versatile methodology for fabricating double-stranded synthetic polymers has not yet been developed. Here, we report a new approach for synthesizing double-stranded polymers composed of polystyrene and poly(methyl methacrylate). We conducted crosslinking radical polymerization inside a metal-organic framework (MOF), which had one-dimensional channels with diameters similar to the thickness of two polymer chains. Effective spatial constraint within the MOF pores facilitated highly regulated crosslinking reactions between two polymer chains with extended conformations. Remarkably, the obtained double-stranded polymers were soluble in many organic solvents, even at a high crosslinking ratio (20%), unlike conventional crosslinked polymers. Notably, this stable duplex topology, which was inaccessible using previous methods, endowed the double-stranded vinyl polymers with unusual properties in the solution and bulk states. By designing the properties of the MOF nanochannels, the proposed technique can contribute to the development of a wide range of synthetic polymer duplexes.
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Affiliation(s)
- Masahiro Abe
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Yuki Kametani
- Institute of Engineering Innovation, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Takashi Uemura
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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40
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Sato D, Hasegawa H, Nishijima H, Kawase K, Okamoto K, Iwasaki A, Shinya Y, Abe M, Miyazaki Y, Saito N. Intracranial aspergilloma mimicking metachronous meningioma following transsphenoidal removal of a tuberculum sellae meningioma: illustrative case. J Neurosurg Case Lessons 2023; 5:CASE22519. [PMID: 36718867 PMCID: PMC10550711 DOI: 10.3171/case22519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 12/08/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND Endoscopic transsphenoidal surgery (eTSS) is a well-established approach for resection of skull-based pathologies such as tuberculum sellae meningiomas; however, central nervous system (CNS) fungal infection is a potential complication, particularly in a patient with concomitant sinusitis. OBSERVATIONS A 58-year-old woman with a tuberculum sellae meningioma causing progressive visual disturbance and concurrent asymptomatic chronic maxillary sinusitis underwent eTSS. Six months later, a de novo dura-based mass with peripheral edema, which was assumed to be an aggressive metachronous meningioma, developed in the middle cranial fossa. The patient underwent frontotemporal craniotomy for complete resection of the lesion, and subsequent histological examination revealed an aspergilloma. She was then treated with an antifungal agent and endoscopic sinus surgery to clear the sinusitis, and no recurrent fungal infection occurred thereafter. LESSONS CNS fungal infections may appear as a dura-based mass mimicking meningioma. The current case reiterates the importance of the appropriate management of sinusitis prior to eTSS.
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Affiliation(s)
| | | | | | - Kyotaro Kawase
- Infectious Diseases, The University of Tokyo Hospital, Tokyo, Japan
| | - Koh Okamoto
- Infectious Diseases, The University of Tokyo Hospital, Tokyo, Japan
| | - Akiko Iwasaki
- Department of Pathology and Diagnostic Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; and
| | | | - Masahiro Abe
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yoshitsugu Miyazaki
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
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Hanai A, Kawabata A, Nakajima K, Masuda K, Urakawa I, Abe M, Yamazaki Y, Fukumoto S. Single-cell RNA sequencing identifies Fgf23-expressing osteocytes in response to 1,25-dihydroxyvitamin D 3 treatment. Front Physiol 2023; 14:1102751. [PMID: 36776964 PMCID: PMC9911654 DOI: 10.3389/fphys.2023.1102751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 01/16/2023] [Indexed: 01/28/2023] Open
Abstract
Fibroblast growth factor 23 (FGF23), a hormone, mainly produced by osteocytes, regulates phosphate and vitamin D metabolism. By contrast, 1,25-dihydroxyvitamin D3, the active form of vitamin D, has been shown to enhance FGF23 production. While it is likely that osteocytes are heterogenous in terms of gene expression profiles, specific subpopulations of Fgf23-expressing osteocytes have not been identified. Single-cell RNA sequencing (scRNA-seq) technology can characterize the transcriptome of an individual cell. Recently, scRNA-seq has been used for bone tissue analysis. However, owing to technical difficulties associated with isolation of osteocytes, studies using scRNA-seq analysis to characterize FGF23-producing osteocytes are lacking. In this study, we characterized osteocytes secreting FGF23 from murine femurs in response to calcitriol (1,25-dihydroxyvitamin D3) using scRNA-seq. We first detected Dmp1, Mepe, and Phex expression in murine osteocytes by in situ hybridization and used these as marker genes of osteocytes. After decalcification, enzyme digestion, and removal of CD45+ cells, femoral bone cells were subjected to scRNA-seq. We identified cell clusters containing osteocytes using marker gene expression. While Fgf23 expression was observed in some osteocytes isolated from femurs of calcitriol-injected mice, no Fgf23 expression was detected in untreated mice. In addition, the expression of several genes which are known to be changed after 1,25-dihydroxyvitamin D3 treatment such as Ccnd2, Fn1, Igfbp7, Pdgfa, and Timp1 was also affected by calcitriol treatment in Fgf23-expressing osteocytes, but not in those lacking Fgf23 expression, even after calcitriol administration. Furthermore, box-and-whisker plots indicated that Fgf23 expression was observed in osteocytes with higher expression levels of the Fam20c, Dmp1, and Phex genes, whose inactivating mutations have been shown to cause FGF23-related hypophosphatemic diseases. These results indicate that osteocytes are heterogeneous with respect to their responsiveness to 1,25-dihydroxyvitamin D3, and sensitivity to 1,25-dihydroxyvitamin D3 is one of the characteristics of osteocytes with Fgf23 expression. It is likely that there is a subpopulation of osteocytes expressing several genes, including Fgf23, involved in phosphate metabolism.
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Affiliation(s)
- Ayako Hanai
- R&D Division, Kyowa Kirin Co., Ltd., Tokyo, Japan,Department of Endocrinology, Metabolism and Hematology, Tokushima University Graduate School of Medical Sciences, Tokushima, Japan,*Correspondence: Ayako Hanai,
| | | | | | | | | | - Masahiro Abe
- Department of Endocrinology, Metabolism and Hematology, Tokushima University Graduate School of Medical Sciences, Tokushima, Japan
| | | | - Seiji Fukumoto
- Department of Molecular Endocrinology, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
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Higa Y, Hiasa M, Tenshin H, Nakaue E, Tanaka M, Kim S, Nakagawa M, Shimizu S, Tanimoto K, Teramachi J, Harada T, Oda A, Oura M, Sogabe K, Hara T, Sumitani R, Maruhashi T, Yamagami H, Endo I, Matsumoto T, Tanaka E, Abe M. The Xanthine Oxidase Inhibitor Febuxostat Suppresses Adipogenesis and Activates Nrf2. Antioxidants (Basel) 2023; 12:antiox12010133. [PMID: 36670994 PMCID: PMC9854541 DOI: 10.3390/antiox12010133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 12/31/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
Xanthine oxidoreductase (XOR) is a rate-limiting enzyme in purine catabolism that acts as a novel regulator of adipogenesis. In pathological states, xanthine oxidoreductase activity increases to produce excess reactive oxygen species (ROS). The nuclear factor erythroid 2-related factor 2 (Nrf2) is a critical inducer of antioxidants, which is bound and repressed by a kelch-like ECH-associated protein 1 (Keap1) in the cytoplasm. The Keap1-Nrf2 axis appears to be a major mechanism for robust inducible antioxidant defenses. Here, we demonstrate that febuxostat, a xanthine oxidase inhibitor, alleviates the increase in adipose tissue mass in obese mouse models with a high-fat diet or ovariectomy. Febuxostat disrupts in vitro adipocytic differentiation in adipogenic media. Adipocytes appeared at day 7 in absence or presence of febuxostat were 160.8 ± 21.2 vs. 52.5 ± 12.7 (p < 0.01) in 3T3−L1 cells, and 126.0 ± 18.7 vs. 55.3 ± 13.4 (p < 0.01) in 10T1/2 cells, respectively. Adipocyte differentiation was further enhanced by the addition of hydrogen peroxide, which was also suppressed by febuxostat. Interestingly, febuxostat, but not allopurinol (another xanthine oxidase inhibitor), rapidly induced the nuclear translocation of Nrf2 and facilitated the degradation of Keap1, similar to the electrophilic Nrf2 activator omaveloxolone. These results suggest that febuxostat alleviates adipogenesis under oxidative conditions, at least in part by suppressing ROS production and Nrf2 activation. Regulation of adipocytic differentiation by febuxostat is expected to inhibit obesity due to menopause or overeating.
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Affiliation(s)
- Yoshiki Higa
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Masahiro Hiasa
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
- Correspondence: (M.H.); (M.A.); Tel.: +81-88-633-7357 (M.H.); +81-88-633-7120 (M.A.); Fax: +81-88-633-9139 (M.H.); +81-88-633-7121 (M.A.)
| | - Hirofumi Tenshin
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Emiko Nakaue
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Mariko Tanaka
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Sooha Kim
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Motosumi Nakagawa
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - So Shimizu
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Kotaro Tanimoto
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Jumpei Teramachi
- Department of Oral Function and Anatomy, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8530, Japan
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Asuka Oda
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Masahiro Oura
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Kimiko Sogabe
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Tomoyo Hara
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Ryohei Sumitani
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Tomoko Maruhashi
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Hiroki Yamagami
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Itsuro Endo
- Department of Bioregulatory Sciences, Graduate School of Medical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Toshio Matsumoto
- Fujii Memorial Institute of Medical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Eiji Tanaka
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima 770-8503, Japan
- Correspondence: (M.H.); (M.A.); Tel.: +81-88-633-7357 (M.H.); +81-88-633-7120 (M.A.); Fax: +81-88-633-9139 (M.H.); +81-88-633-7121 (M.A.)
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Hori T, Yasui S, Hosoki M, Yamagami H, Otoda T, Yuasa T, Aihara KI, Takishita M, Abe M, Nakamura S. [Adult T-cell leukemia/lymphoma with multiple intracranial masses and CMV and HHV-6 reactivation at initial presentation]. Rinsho Ketsueki 2023; 64:283-289. [PMID: 37121773 DOI: 10.11406/rinketsu.64.283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
A 55-year-old male was referred to our hospital after complaining of a sore throat for a month. Physical examination revealed a disturbance in consciousness, nuchal rigidity, painful multiple ulcers in the oral cavity, and erythema, the size of rice grains on the body. Hematological examination showed the following results: white blood cells, 7,910/µl (abnormal lymphocytes 2%), LDH, 203 U/l, corrected calcium, 11.2 mg/dl, soluble IL-2 receptor, 11,800 U/ml, and cytomegalovirus antigenemia assay (C10, C11) 43/49. Abnormal lymphocytes (CD4+CD25+) were discovered in the peripheral blood, bone marrow, and skin samples. Southern blotting of peripheral blood revealed monoclonal integration of human T-cell leukemia virus type 1 (HTLV-1) provirus DNA; and consequently, he was diagnosed with adult T-cell leukemia/lymphoma (ATLL). Multiple tumors with ringed contrast effect were observed in the brain parenchyma using contrast-enhanced computed tomography. The cell number in the cerebrospinal fluid was 1,320/mm3 (ATLL cells were 79% in flow cytometry), and the protein level was 244 mg/dl; moreover, the examination revealed a positive result for human herpesvirus 6 DNA. Despite herpesvirus genus treatment and modified LSG15 therapy combined with intrathecal chemotherapy, the patient became comatose and died on day 21 of hospitalization. A better understanding of the pathogenesis of ATLL, and the involvement with the central nervous system is needed along with the development of standard treatment.
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Affiliation(s)
- Taiki Hori
- Department of Internal Medicine, Anan Medical Center
| | - Saya Yasui
- Department of Internal Medicine, Anan Medical Center
| | - Minae Hosoki
- Department of Internal Medicine, Anan Medical Center
| | | | - Toshiki Otoda
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences
| | - Tomoyuki Yuasa
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences
| | - Ken-Ichi Aihara
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences
| | | | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences
| | - Shingen Nakamura
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences
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Suzukawa M, Ohta K, Fukutomi Y, Hashimoto H, Endo T, Abe M, Kamide Y, Yoshida M, Kikuchi Y, Kita T, Chibana K, Tanimoto Y, Hyodo K, Takata S, Inui T, Yasui M, Harada Y, Sato T, Sakakibara Y, Minakata Y, Inoue Y, Tamaki S, Shinohara T, Takami K, Tsubakihara M, Oki M, Wakamatsu K, Horiba M, Ideura G, Hidaka K, Saito AM, Kobayashi N, Taniguchi M. Classifications of moderate to severe asthma phenotypes in Japan and analysis of serum biomarkers: A Nationwide Cohort Study in Japan (NHOM Asthma Study). Allergol Int 2023; 72:63-74. [PMID: 35791991 DOI: 10.1016/j.alit.2022.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/17/2022] [Accepted: 05/25/2022] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Asthma is a heterogeneous disease, and phenotyping can facilitate understanding of disease pathogenesis and direct appropriate asthma treatment. This nationwide cohort study aimed to phenotype asthma patients in Japan and identify potential biomarkers to classify the phenotypes. METHODS Adult asthma patients (n = 1925) from 27 national hospitals in Japan were enrolled and divided into Global Initiative for Asthma (GINA) steps 4 or 5 (GINA 4, 5) and GINA Steps 1, 2, or 3 (GINA 1-3) for therapy. Clinical data and questionnaires were collected. Biomarker levels among GINA 4, 5 patients were measured. Ward's minimum variance hierarchical clustering method and tree analysis were performed for phenotyping. Analysis of variance, the Kruskal-Wallis, and chi-square tests were used to compare cluster differences. RESULTS The following five clusters were identified: 1) late-onset, old, less-atopic; 2) late-onset, old, eosinophilic, low FEV1; 3) early-onset, long-duration, atopic, poorly controlled; 4) early-onset, young, female-dominant, atopic; and 5) female-dominant, T1/T2-mixed, most severe. Age of onset, disease duration, blood eosinophils and neutrophils, asthma control questionnaire Sum 6, number of controllers, FEV1, body mass index (BMI), and hypertension were the phenotype-classifying variables determined by tree analysis that assigned 79.5% to the appropriate cluster. Among the cytokines measured, IL-1RA, YKL40/CHI3L1, IP-10/CXCL10, RANTES/CCL5, and TIMP-1 were useful biomarkers for classifying GINA 4, 5 phenotypes. CONCLUSIONS Five distinct phenotypes were identified for moderate to severe asthma and may be classified using clinical and molecular variables (Registered in UMIN-CTR; UMIN000027776.).
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Affiliation(s)
- Maho Suzukawa
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, Tokyo, Japan.
| | - Ken Ohta
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, Tokyo, Japan; Japan Anti-Tuberculosis Association, JATA Fukujuji Hospital, Tokyo, Japan.
| | - Yuma Fukutomi
- Clinical Research Center, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Hiroya Hashimoto
- Clinical Research Center, National Hospital Organization Nagoya Medical Center, Nagoya, Japan; Core Laboratory, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Takeo Endo
- National Hospital Organization Mito Medical Center, Ibaraki, Japan
| | - Masahiro Abe
- National Hospital Organization Ehime Medical Center, Ehime, Japan
| | - Yosuke Kamide
- Clinical Research Center, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan
| | - Makoto Yoshida
- National Hospital Organization Fukuoka National Hospital, Fukuoka, Japan
| | | | - Toshiyuki Kita
- National Hospital Organization Kanazawa Medical Center, Ishikawa, Japan
| | - Kenji Chibana
- National Hospital Organization Okinawa National Hospital, Okinawa, Japan
| | - Yasushi Tanimoto
- National Hospital Organization Minami-Okayama Medical Center, Okayama, Japan
| | - Kentaro Hyodo
- National Hospital Organization Ibarakihigashi National Hospital, Ibaraki, Japan
| | - Shohei Takata
- National Hospital Organization Fukuokahigashi Medical Center, Fukuoka, Japan
| | - Toshiya Inui
- National Hospital Organization Disaster Medical Center, Tokyo, Japan
| | - Masahide Yasui
- National Hospital Organization Nanao National Hospital, Ishikawa, Japan
| | - Yoshinori Harada
- Department of Rheumatology & Allergology, National Hospital Organization Osaka Minami Medical Center, Osaka, Japan
| | - Toshio Sato
- National Hospital Organization Okayama Medical Center, Okayama, Japan
| | - Yumi Sakakibara
- Federation of National Public Service Personnel Mutual Aid Associations Hiratsuka Kyosai Hospital, Kanagawa, Japan
| | | | - Yoshikazu Inoue
- National Hospital Organization Kinki-Chuo Chest Medical Center, Osaka, Japan
| | - Shinji Tamaki
- National Hospital Organization Nara Medical Center, Nara, Japan
| | - Tsutomu Shinohara
- National Hospital Organization Kochi National Hospital, Kochi, Japan
| | - Kazutaka Takami
- Kanto Central Hospital of the Mutual Aid Association of Public School Teachers, Tokyo, Japan
| | | | - Masahide Oki
- Department of Respiratory Medicine, National Hospital Organization Nagoya Medical Center, Aichi, Japan
| | - Kentaro Wakamatsu
- National Hospital Organization Omuta National Hospital, Fukuoka, Japan
| | - Masahide Horiba
- Division of Respiratory Medicine, National Hospital Organization Higashisaitama National Hospital, Saitama, Japan
| | - Gen Ideura
- National Hospital Organization Shinshu Ueda Medical Center, Nagano, Japan
| | - Koko Hidaka
- National Hospital Organization Kokura Medical Center, Fukuoka, Japan
| | - Akiko M Saito
- Clinical Research Center, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
| | - Nobuyuki Kobayashi
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, Tokyo, Japan; Fureai Machida Hospital, Tokyo, Japan
| | - Masami Taniguchi
- Clinical Research Center, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan; Shonan Kamakura General Hospital, Kanagawa, Japan
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45
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Abe M, Hayashi T, Kudo SE. Bridge formation method in colorectal endoscopic submucosal dissection. Dig Endosc 2023; 35:e11-e12. [PMID: 36349909 PMCID: PMC10099846 DOI: 10.1111/den.14453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 10/12/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Masahiro Abe
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Takemasa Hayashi
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Shin-Ei Kudo
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
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Kikuta J, Kamagata K, Abe M, Andica C, Saito Y, Takabayashi K, Uchida W, Naito H, Tabata H, Wada A, Tamura Y, Kawamori R, Watada H, Aoki S. Effects of Arterial Stiffness on Cerebral WM Integrity in Older Adults: A Neurite Orientation Dispersion and Density Imaging and Magnetization Transfer Saturation Imaging Study. AJNR Am J Neuroradiol 2022; 43:1706-1712. [PMID: 36396335 DOI: 10.3174/ajnr.a7709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 10/15/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND AND PURPOSE Arterial stiffness is reported to be able to cause axonal demyelination or degeneration. The present study aimed to use advanced MR imaging techniques to examine the effect of arterial stiffness on the WM microstructure among older adults. MATERIALS AND METHODS Arterial stiffness was measured using the cardio-ankle vascular elasticity index (CAVI). The high-CAVI (mean CAVI ≥ 9 points) and the low-CAVI groups (mean CAVI < 9 points) were created. The neuronal fiber integrity of the WM was evaluated by neurite orientation dispersion and density imaging and magnetization transfer saturation imaging. Tract-Based Spatial Statistics and the tracts-of-interest analysis were performed. Specific WM regions (corpus callosum, internal capsule, anterior thalamic radiation, corona radiata, superior longitudinal fasciculus, forceps minor, and inferior fronto-occipital fasciculus) were selected in the tracts-of-interest analysis. RESULTS In Tract-Based Spatial Statistics, the high-CAVI group showed a significantly lower myelin volume fraction value in the broad WM and significantly higher radial diffusivity and isotropic volume fraction values in the corpus callosum, forceps minor, inferior fronto-occipital fasciculus, internal capsule, corona radiata, and anterior thalamic radiation than the low-CAVI group. In tracts-of-interest analysis using multivariate linear regression, significant associations were found between the mean CAVI and radial diffusivity in the anterior thalamic radiation and the corona radiata; isotropic volume fraction in the anterior thalamic radiation and the corona radiata; and myelin volume fraction in the superior longitudinal fasciculus (P < .05). Additionally, partial correlation coefficients were observed for the significant associations of executive function with radial diffusivity and myelin volume fraction (P < .05). CONCLUSIONS Arterial stiffness could be associated with demyelination rather than axonal degeneration.
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Affiliation(s)
- J Kikuta
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.)
| | - K Kamagata
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.)
| | - M Abe
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.)
| | - C Andica
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.).,Faculty of Health Data Science (C.A.), Juntendo University, Chiba, Japan
| | - Y Saito
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.)
| | - K Takabayashi
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.)
| | - W Uchida
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.)
| | - H Naito
- Metabolism and Endocrinology (H.N., Y.T., R.K., H.W.)
| | - H Tabata
- Sportology Center (H.T., Y.T., R.K., H.W.), Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - A Wada
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.)
| | - Y Tamura
- Metabolism and Endocrinology (H.N., Y.T., R.K., H.W.).,Sportology Center (H.T., Y.T., R.K., H.W.), Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - R Kawamori
- Metabolism and Endocrinology (H.N., Y.T., R.K., H.W.).,Sportology Center (H.T., Y.T., R.K., H.W.), Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - H Watada
- Metabolism and Endocrinology (H.N., Y.T., R.K., H.W.).,Sportology Center (H.T., Y.T., R.K., H.W.), Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - S Aoki
- From the Departments of Radiology (J.K., K.K., M.A., C.A., Y.S., K.T., W.U., A.W., S.A.)
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Abe M, Yamashita H, Jinno S, Custance O, Toki H. Reduction of noise induced by power supply lines using phase-locked loop. Rev Sci Instrum 2022; 93:113704. [PMID: 36461473 DOI: 10.1063/5.0124433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 10/09/2022] [Indexed: 06/17/2023]
Abstract
An experimental implementation for the reduction of power-line noise in delicate signal detection is presented. This implementation improves the signal-to-noise ratio without limiting the bandwidth of the measurement. A sinusoidal wave and its harmonics, both synchronized with the frequency of the power line, are used to cancel out the power supply noise induced in the measurement signal. The wave and the harmonics are generated via a phase-locked loop implementation. Their amplitude and phase are adjusted, and then they are added to the measurement signal using a series of operational amplifiers to compensate for the noise. Although we applied this method to the particular case of scanning tunneling microscopy measurements, considerably improving the image quality, our implementation can be applied to other measurement systems for which noise from the power lines can compromise the signal detection.
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Affiliation(s)
- M Abe
- Graduate School of Engineering Science, Osaka University, 1-3, Machikaneyama-Cho, Toyonaka, Osaka 560-8531, Japan
| | - H Yamashita
- Graduate School of Engineering Science, Osaka University, 1-3, Machikaneyama-Cho, Toyonaka, Osaka 560-8531, Japan
| | - S Jinno
- Graduate School of Engineering Science, Osaka University, 1-3, Machikaneyama-Cho, Toyonaka, Osaka 560-8531, Japan
| | - O Custance
- National Institute of Materials Science (NIMS), Sengen 1-2-1, Tsukuba 305-0047, Japan
| | - H Toki
- Graduate School of Engineering Science, Osaka University, 1-3, Machikaneyama-Cho, Toyonaka, Osaka 560-8531, Japan
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48
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Shimizu T, Abe M, Noguchi M, Yamasaki A. Removal of Borate Ions from Wastewater Using an Adsorbent Prepared from Waste Concrete (PAdeCS). ACS Omega 2022; 7:35545-35551. [PMID: 36249354 PMCID: PMC9557884 DOI: 10.1021/acsomega.2c02625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
The removal of boron from model wastewater using PAdeCS, a material derived from waste concrete, was studied. Three different types of boron removal methods were examined: adsorption with untreated PAdeCS, adsorption with heat-treated ettringite-enriched PAdeCS, and coagulation-sedimentation method by mixing untreated PAdeCS as a calcium source and aluminum sulfate as an aluminum and sulfate ion source for the formation of ettringite. The highest boron removal performance was observed for the coagulation-sedimentation method, where the boron concentration in the model wastewater decreased rapidly from 100 mg/L to the level below the Japanese effluent standard at 10 mg/L when the weight ratio of PAdeCS addition into water is 4.0% with aluminum sulfate, of which the added amount corresponds to the stoichiometric condition for the formation of ettringite (Ca:Al:SO4 2- = 6:2:3). The heat-treated ettringite-enriched PAdeCS also showed higher boron removal performances compared with untreated PAdeCS. The dependency of the boron removal capacity on the aqueous boron concentration can be expressed by the Langmuir equation for all the cases. The maximum capacity (q m) values were 1.83, 3.39, and 3.02 mg/g-solid for adsorption with untreated PAdeCS, adsorption with heat-treated ettringite-enriched PAdeCS, and coagulation-sedimentation, respectively. These capacities were higher or comparable with the ones reported in the literature.
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Matsuda M, Suzuki M, Ajiro Y, Shinozaki T, Sakagami S, Yonezawa K, Shimizu M, Funada J, Takenaka T, Morita Y, Iguchi M, Abe M, Akao M, Hasegawa K, Wada H. Involvement of growth differentiation factor 15 in paradoxical relationship between body mass index and mortality in patients with suspected or known coronary artery disease; The ANOX Study. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Obesity is a well-established risk factor for type 2 diabetes mellitus, hypertension and dyslipidemia, leading to coronary artery disease (CAD). Nevertheless, body mass index (BMI) is inversely associated with cardiovascular (CV) mortality in patients with cardiac disorders, termed “obesity paradox”. However, the underlying mechanism remains unclear.
Purpose
To clarify important factors involved in the pathogenesis of obesity paradox.
Methods
Using data from a multicenter, prospective cohort of 2,418 patients with suspected or known CAD enrolled in the ANOX study, we assessed the relationship between BMI at baseline and the incidence of CV death over 3 years, and investigated the involvement of several endocrine factors which were previously reported to have some roles in obesity and heart diseases, such as adiponectin, N-terminal pro-brain natriuretic peptide (NT-proBNP) and growth differentiation factor 15 (GDF-15), in the relationship between BMI and CV death.
Results
In Kaplan-Meier analyses, the lower quartiles of BMI and the higher quartiles of adiponectin levels were paradoxically associated with the higher cumulative incidence of CV death. To clarify the important factors involved in the paradoxical association between BMI or adiponectin and mortality, we first investigated independent determinants for BMI and adiponectin levels respectively, using multiple stepwise regression analyses among many clinical factors, and then narrow down the prognostic factors commonly associated with BMI and adiponectin, which were age, hemoglobin and NT-proBNP. Interestingly, circulating levels of GDF15 were significantly correlated with NT-proBNP levels, and the presence of anemia raised the gradient of the correlation line in a scatter plot (without anemia, r=0.139, p<0.0001; with anemia, r=0.228, p<0.0001). Moreover, the highest GDF15 quartile showed significantly lower BMI and higher adiponectin levels compared to the lower quartiles (p<0.001 and p<0.001, respectively, by Student t-test). In Cox proportional hazard models, hazard ratios (HRs) of BMI (per 1-unit increase) were 0.90 (95% confidence interval [CI], 0.85–0.96) for CV death. Additional adjustment for hemoglobin, NT-proBNP, adiponectin or GDF15 diminished the statistical significance (HR, 0.92 [95% CI, 0.87–0.99], 0.95 [0.89–1.01], 0.92 [0.87–0.99], or 0.93 [0.87–0.99], respectively).
Conclusions
The lower BMI and the higher adiponectin levels were paradoxically associated with the higher incidence of CV death in patients with CAD. This paradox may be mediated by cardiac endocrine factors induced by cardiac stresses, including GDF-15 in addition to natriuretic peptides.
Funding Acknowledgement
Type of funding sources: Public Institution(s). Main funding source(s): The ANOX study is supported by a Grant-in-Aid for Clinical Research from the National Hospital Organization.
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Affiliation(s)
- M Matsuda
- National Hospital Organization Kure Medical Center and Chugoku Cancer Center , Kure , Japan
| | - M Suzuki
- National Hospital Organization Saitama Hospital , Wako , Japan
| | - Y Ajiro
- National Hospital Organization Yokohama Medical Center , Yokohama , Japan
| | - T Shinozaki
- National Hospital Organization Sendai Medical Center , Sendai , Japan
| | - S Sakagami
- National Hospital Organization Kanazawa Medical Center , Kanazawa , Japan
| | - K Yonezawa
- National Hospital Organization Hakodate National Hospital , Hakodate , Japan
| | - M Shimizu
- National Hospital Organization Kobe Medical Center , Kobe , Japan
| | - J Funada
- National Hospital Organization Ehime Medical Center , Toon , Japan
| | - T Takenaka
- National Hospital Organization Hokkaido Medical Center , Sapporo , Japan
| | - Y Morita
- National Hospital Organization Sagamihara National Hospital , Sagamihara , Japan
| | - M Iguchi
- National Hospital Organization Kyoto Medical Center , Kyoto , Japan
| | - M Abe
- National Hospital Organization Kyoto Medical Center , Kyoto , Japan
| | - M Akao
- National Hospital Organization Kyoto Medical Center , Kyoto , Japan
| | - K Hasegawa
- National Hospital Organization Kyoto Medical Center , Kyoto , Japan
| | - H Wada
- National Hospital Organization Kyoto Medical Center , Kyoto , Japan
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Iguchi M, Masunaga N, Ishii M, Fujino A, Ide Y, Hamatani Y, Yoshizawa T, Doi K, Ikeda S, Esato M, Wada H, Hasegawa K, Ogawa H, Abe M, Akao M. Association of beta blocker use with new-onset heart failure and mortality in atrial fibrillation without pre-existing heart failure: the Fushimi AF registry. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Heart failure (HF) is one of the major complications in atrial fibrillation (AF). We previously reported that not a few AF patients without pre-existing HF (defined as prior HF hospitalization, New York Heart Association functional class≥2, or left ventricular ejection fraction (LVEF)<40%) subsequently developed new-onset HF. Beta blockers are the established therapy for HF, but it remains unclear whether beta blockers prevent new-onset HF and improve outcomes in AF patients without preexisting HF.
Methods
In the Fushimi AF registry, 778 of 3,262 patients without pre-existing HF were receiving beta blockers at baseline. We investigated the incidence of new-onset HF defined as cardiac death or HF hospitalization, and all-cause death in a propensity-matched cohort (N=1,198; mean age, 71 years; 39% female; mean LVEF, 66%). Additionally, annual follow-up prescription data before the onset of events were collected in 294 of patients with beta blockers and 395 of those without beta blockers. We also investigated the association of starting or stopping beta blockers with the incidence of new-onset HF and all-cause death.
Results
During the median follow-up of 5.8 years, new-onset HF and all-cause death occurred in 77 (12.9%) and 118 (19.7%) of patients with beta blockers, and 70 (11.7%) and 131 (21.9%) of those without beta blockers, respectively. Incidence of new-onset HF was comparable between patients with and without beta blockers (Figure 1), and incidence of all-cause death was also comparable between the two groups (Figure 2). In exploratory subgroup analyses, there was no interaction in the association of beta blockers with the incidence of events, except for pulse rate for new-onset HF and left atrial size for all-cause death. Hazard ratio of beta blockers for new-onset HF tended to be lower in patients with higher pulse rates (>84 bpm) (Figure 1), and that for all-cause death was lower in those without left atrial enlargement (Figure 2). Of patients with follow-up prescription data, beta blockers were stopped in 55 (18.7%) and started in 97 (24.6%) patients, respectively. Patients with starting beta blockers had higher pulse rate (78.5±17.3 vs 74.9±13.9 bpm; p=0.03) and more symptomatic AF (58.8% vs 46.0%; p=0.03) compared to those without starting beta blockers, while there was no difference in baseline characteristics between those with and without stopping beta blockers. During the follow-up, the incidences of new-onset HF and all-cause death were also comparable between the patients with and without stopping beta blockers and those with and without starting beta blockers.
Conclusion
Beta blockers were not associated with the incidence of new-onset HF and all-cause death in AF patients without pre-existing HF. However, the exploratory subgroup analyses suggested the existence of subjects who may benefit from beta blockers.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Boehringer Ingelheim, Bayer Healthcare, Pfizer, Bristol-Myers Squibb, Astellas Pharma, AstraZeneca, Daiichi Sankyo, Novartis Pharma, MSD, Sanofi-Aventis, and Takeda Pharmaceutical.
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Affiliation(s)
- M Iguchi
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - N Masunaga
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - M Ishii
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - A Fujino
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - Y Ide
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - Y Hamatani
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - T Yoshizawa
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - K Doi
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - S Ikeda
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - M Esato
- Ogaki Tokushukai Hospital , Gifu , Japan
| | - H Wada
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - K Hasegawa
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - H Ogawa
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - M Abe
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
| | - M Akao
- Kyoto Medical Center, National Hospital Organization , Kyoto , Japan
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