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Elahee M, Mueller AA, Wang R, Marks KE, Sasaki T, Cao Y, Fava A, Dellaripa PF, Boin F, Rao DA. A PD-1 highCD4 + T Cell Population With a Cytotoxic Phenotype is Associated With Interstitial Lung Disease in Systemic Sclerosis. ACR Open Rheumatol 2024. [PMID: 38698736 DOI: 10.1002/acr2.11671] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/06/2024] [Indexed: 05/05/2024] Open
Abstract
OBJECTIVE T cells contribute to tissue injury in systemic sclerosis (SSc), yet the specific T cell subsets expanded in patients with SSc remain incompletely defined. Here we evaluated specific phenotypes and functions of peripheral helper T (Tph) and follicular helper T (Tfh) cells, which have been implicated in autoantibody production, and assessed their associations with clinical features in a well-characterized cohort of patients with SSc. METHODS Mass cytometry of T cells from peripheral blood mononuclear cells of patients with SSc and controls were evaluated using t-distributed stochastic neighbor embedding visualization, biaxial gating, and marker expression levels. Findings were validated with flow cytometry and in vitro assays. RESULTS The frequencies of PD-1highCXCR5+ Tfh cells and PD-1highCXCR5- Tph cells were similar in patients with SSc and controls. t-distributed stochastic neighbor embedding visualization (tSNE) revealed distinct populations within the PD-1highCXCR5- cells distinguished by expression of HLA-DR and inducible costimulator (ICOS). Among PD-1highCXCR5- cells, only the HLA-DR+ICOS- cell population was expanded in patients with SSc. Cytometric and RNA sequencing analyses indicated that these cells expressed cytotoxic rather than B cell helper features. HLA-DR+ICOS- PD-1highCXCR5- cells were less potent in inducing B cell plasmablast differentiation and antibody production than comparator T helper cell populations. HLA-DR+ICOS-PD-1highCXCR5- cells were significantly associated with the presence and severity of interstitial lung disease among patients with SSc. CONCLUSION Among PD-1highCXCR5- T cells, a subset of HLA-DR+ICOS- cells with cytotoxic features is specifically expanded in patients with SSc and is significantly associated with interstitial lung disease severity. This potential cytotoxicity appearing in the CD4 T cell population can be evaluated as a prognostic disease biomarker in patients with SSc.
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Affiliation(s)
- Mehreen Elahee
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Alisa A Mueller
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Runci Wang
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Kathryne E Marks
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Takanori Sasaki
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Ye Cao
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Andrea Fava
- Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Paul F Dellaripa
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | | | - Deepak A Rao
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
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Matsumoto M, Rokunohe D, Sasaki T, Matsuzaki Y, Nakano H, Mizukami H, Akasaka E, Sawamura D. Upregulated expression of glucose transporter isoform 1 in invasive and metastatic extramammary Paget's disease. Exp Ther Med 2024; 27:228. [PMID: 38596658 PMCID: PMC11002819 DOI: 10.3892/etm.2024.12516] [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: 10/23/2023] [Accepted: 02/13/2024] [Indexed: 04/11/2024] Open
Abstract
Glucose transporter isoform 1 (GLUT1), which is upregulated in a variety of malignant tumors, facilitates cellular glucose uptake to boost rapid tumor growth and progression. In several types of cancer, inhibition of GLUT1 suppresses tumor proliferation and metastasis, indicating that GLUT1 is a potential target of anticancer therapy. The present study performed immunohistochemistry to analyze GLUT1 expression levels in 51 patients with extramammary Paget's disease (EMPD), including 23 with only intraepidermal lesions and 28 with dermal-invasive lesions. Of the 28 patients with dermal invasion, nine had available samples of lymph node metastasis. GLUT1 staining scores were significantly higher in dermal-invasive (P<0.0001) and metastatic lesions (P=0.0008) compared with in intraepidermal lesions. GLUT1 is upregulated during the transition from preinvasive to invasive or metastatic tumor in EMPD. Moreover, GLUT1 staining scores were statistically higher in intraepidermal tumor cells of dermal-invasive EMPD compared with tumor cells of only in situ EMPD (P=0.0338). GLUT1 is upregulated even during the preinvasive phase in patients with invasive EMPD, suggesting that GLUT1 immunostaining can predict the risk of dermal invasion. The present study provides novel evidence to pursue in vitro and in vivo studies to confirm that upregulated expression of GLUT1 enhances tumor aggressiveness in EMPD.
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Affiliation(s)
- Mika Matsumoto
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Daiki Rokunohe
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Takanori Sasaki
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Yasushi Matsuzaki
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Hajime Nakano
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Hiroki Mizukami
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Eijiro Akasaka
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Daisuke Sawamura
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
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Nishimura Y, Matsumoto S, Sasaki T, Kubo T. Impacts of workplace verbal aggression classified via text mining on workers' mental health. Occup Med (Lond) 2024; 74:186-192. [PMID: 38346110 PMCID: PMC10990467 DOI: 10.1093/occmed/kqae009] [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] [Indexed: 04/05/2024] Open
Abstract
BACKGROUND Exposure to workplace aggression adversely affects workers' health; however, little is known regarding the impact of specific types of verbal content. AIMS We aimed to examine the relationship between exposure to several types of aggressive words at work and the victim's depressive symptoms and sleep disturbance using text mining. METHODS We conducted a longitudinal survey with 800 workers in wholesale and retail companies; of which, 500 responded to the follow-up survey. The Centre for Epidemiologic Studies-Depression Scale and Pittsburgh Sleep Quality Index were filled out by the participants, and their responses were analysed by logistic regression to evaluate the risk of depression or sleep problems. We collected exact aggressive words encountered at work over the past year as a dependent variable and classified it into four types using text mining, such as words criticizing one's performance. RESULTS The follow-up rate was 63%. Exposure to words threatening one's life showed a significant relationship with the risk of depression (odds ratio [OR] = 13.94, 95% confidence interval [CI] = 1.76-110.56). The exposure to words criticizing one's job performance is significantly related to the risk of sleep disturbance (OR = 5.56, 95% CI = 2.08-14.88). CONCLUSIONS These findings suggest that different contents of verbal aggression can have different impacts on workers' health. This indicates that not only overtly threatening and abusive language but also words related to one's performance can be a risk factor for workers, depending on how they are delivered. To mitigate the adverse effects, promoting effective communication and cultivating psychological detachment from work may be beneficial.
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Affiliation(s)
- Y Nishimura
- Occupational Stress and Health Management Research Group, National Institute of Occupational Safety and Health, Kawasaki, Japan
| | - S Matsumoto
- Occupational Stress and Health Management Research Group, National Institute of Occupational Safety and Health, Kawasaki, Japan
| | - T Sasaki
- Occupational Stress and Health Management Research Group, National Institute of Occupational Safety and Health, Kawasaki, Japan
| | - T Kubo
- Occupational Stress and Health Management Research Group, National Institute of Occupational Safety and Health, Kawasaki, Japan
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4
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Matsusaka Y, Werner RA, Serfling SE, Buck AK, Kosmala A, Sasaki T, Weich A, Higuchi T. Evaluating the Patterns of FAPI Uptake in the Shoulder Joint: a Preliminary Study Comparing with FDG Uptake in Oncological Studies. Mol Imaging Biol 2024; 26:294-300. [PMID: 38177615 DOI: 10.1007/s11307-023-01893-8] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 12/12/2023] [Accepted: 12/21/2023] [Indexed: 01/06/2024]
Abstract
BACKGROUND Fibroblast activation protein inhibitor (FAPI) targeting PET has been introduced as a novel molecular imaging modality for visualizing cancer-associated fibroblasts. There have also been reports suggesting incidental findings of localized accumulation in the shoulder joints. However, further characterization in a larger patient cohort is still lacking. METHODS 77 consecutive patients (28 females; mean age, 63.1 ± 11.6) who underwent Ga-68 FAPI-04 PET/CT for diagnosis of solid tumors were included. The incidence and localization of tracer uptake in shoulder joints were investigated and compared with available F-18 FDG scans serving as reference. RESULTS Ga-68 FAPI-04 uptake was evaluated in 77 patients (154 shoulder joints), of whom 54 subjects (108 shoulder joints) also had available F-18 FDG scans for head-to-head comparison. On FAPI-targeted imaging, 67/154 shoulders (43.5%) demonstrated increased radiotracer accumulation in target lesions, which were distributed as follows: acromioclavicular (AC) joints in 25/67 (37.3%), followed by glenohumeral and subacromial (GH + SA) joints in 23/67 (34.3%), or both (AC and GH + SA joints) in the remaining 19/67 (28.4%). Ga-68 FAPI-04 correlated with quantified F-18 FDG uptake (r = 0.69, p < 0.0001). Relative to the latter radiotracer, however, in-vivo FAP expression in the shoulders was significantly increased (Ga-68 FAPI-04, 4.7 ± 3.2 vs F-18 FDG, 3.6 ± 1.3, p < 0.001). CONCLUSION Our study revealed focal accumulation of Ga-68 FAPI-04 in the shoulders, particularly in the AC joints, with higher uptake compared to the inflammatory-directed PET radiotracer F-18 FDG in oncological studies. As a result, further trials are warranted to investigate the potential of FAPI-directed molecular imaging in identifying chronic remodeling in shoulder joints. This could have implications for initiating anti-FAP targeted photodynamic therapy based on PET signal strength.
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Affiliation(s)
- Yohji Matsusaka
- Department of Nuclear Medicine and Comprehensive Heart Failure Center (CHFC), Molecular Imaging of the Heart, University Hospital of Würzburg, Oberdürrbacher Str. 6, ZIM House A4, 97080, Würzburg, Germany
| | - Rudolf A Werner
- Department of Nuclear Medicine and Comprehensive Heart Failure Center (CHFC), Molecular Imaging of the Heart, University Hospital of Würzburg, Oberdürrbacher Str. 6, ZIM House A4, 97080, Würzburg, Germany
- Division of Nuclear Medicine and Molecular Imaging, The Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Sebastian E Serfling
- Department of Nuclear Medicine and Comprehensive Heart Failure Center (CHFC), Molecular Imaging of the Heart, University Hospital of Würzburg, Oberdürrbacher Str. 6, ZIM House A4, 97080, Würzburg, Germany
| | - Andreas K Buck
- Department of Nuclear Medicine and Comprehensive Heart Failure Center (CHFC), Molecular Imaging of the Heart, University Hospital of Würzburg, Oberdürrbacher Str. 6, ZIM House A4, 97080, Würzburg, Germany
| | - Aleksander Kosmala
- Department of Nuclear Medicine and Comprehensive Heart Failure Center (CHFC), Molecular Imaging of the Heart, University Hospital of Würzburg, Oberdürrbacher Str. 6, ZIM House A4, 97080, Würzburg, Germany
| | - Takanori Sasaki
- Department of Nuclear Medicine and Comprehensive Heart Failure Center (CHFC), Molecular Imaging of the Heart, University Hospital of Würzburg, Oberdürrbacher Str. 6, ZIM House A4, 97080, Würzburg, Germany
- Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Alexander Weich
- Internal Medicine II and ENETS CoE NET-Zentrum Würzburg, Gastroenterology, University Hospital Würzburg, Würzburg, Germany
| | - Takahiro Higuchi
- Department of Nuclear Medicine and Comprehensive Heart Failure Center (CHFC), Molecular Imaging of the Heart, University Hospital of Würzburg, Oberdürrbacher Str. 6, ZIM House A4, 97080, Würzburg, Germany.
- Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan.
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Kushibiki H, Mizukami H, Osonoi S, Takeuchi Y, Sasaki T, Ogasawara S, Wada K, Midorikawa S, Ryuzaki M, Wang Z, Yamada T, Yamazaki K, Tarusawa T, Tanba T, Mikami T, Matsubara A, Ishibashi Y, Hakamada K, Nakaji S. Tryptophan metabolism and small fibre neuropathy: a correlation study. Brain Commun 2024; 6:fcae103. [PMID: 38618209 PMCID: PMC11010654 DOI: 10.1093/braincomms/fcae103] [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] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 01/10/2024] [Accepted: 03/24/2024] [Indexed: 04/16/2024] Open
Abstract
Small nerve fibres located in the epidermis sense pain. Dysfunction of these fibres decreases the pain threshold known as small fibre neuropathy. Diabetes mellitus is accompanied by metabolic changes other than glucose, synergistically eliciting small fibre neuropathy. These findings suggest that various metabolic changes may be involved in small fibre neuropathy. Herein, we explored the correlation between pain sensation and changes in plasma metabolites in healthy Japanese subjects. The pain threshold evaluated from the intraepidermal electrical stimulation was used to quantify pain sensation in a total of 1021 individuals in the 2017 Iwaki Health Promotion Project. Participants with a pain threshold evaluated from the intraepidermal electrical stimulation index <0.20 mA were categorized into the pain threshold evaluated from the intraepidermal electrical stimulation index-low group (n = 751); otherwise, they were categorized into the pain threshold evaluated from the intraepidermal electrical stimulation index-high group (n = 270). Metabolome analysis of plasma was conducted using capillary electrophoresis time-of-flight mass spectrometry. The metabolite set enrichment analysis revealed that the metabolism of tryptophan was significantly correlated with the pain threshold evaluated from the intraepidermal electrical stimulation index in all participants (P < 0.05). The normalized level of tryptophan was significantly decreased in participants with a high pain threshold evaluated from the intraepidermal electrical stimulation index. In addition to univariate linear regression analyses, the correlation between tryptophan concentration and the pain threshold evaluated from the intraepidermal electrical stimulation index remained significant after adjustment for multiple factors (β = -0.07615, P < 0.05). These findings indicate that specific metabolic changes are involved in the deterioration of pain thresholds. Here, we show that abnormal tryptophan metabolism is significantly correlated with an elevated pain threshold evaluated from the intraepidermal electrical stimulation index in the Japanese population. This correlation provides insight into the pathology and clinical application of small fibre neuropathy.
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Affiliation(s)
- Hanae Kushibiki
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Hiroki Mizukami
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Sho Osonoi
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Yuki Takeuchi
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Takanori Sasaki
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Saori Ogasawara
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Kanichiro Wada
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Shin Midorikawa
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
- Department of Otorhinolaryngology-Head and Neck Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Masaki Ryuzaki
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Zhenchao Wang
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Takahiro Yamada
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Keisuke Yamazaki
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Takefusa Tarusawa
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Taiyo Tanba
- Department of Pathology and Molecular Medicine, Biomedical Research Center, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Tatsuya Mikami
- Innovation Center for Health Promotion, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Atsushi Matsubara
- Department of Otorhinolaryngology-Head and Neck Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Yasuyuki Ishibashi
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Kenichi Hakamada
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Shigeyuki Nakaji
- Department of Social Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
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Horisberger A, Griffith A, Keegan J, Arazi A, Pulford J, Murzin E, Howard K, Hancock B, Fava A, Sasaki T, Ghosh T, Inamo J, Beuschel R, Cao Y, Preisinger K, Gutierrez-Arcelus M, Eisenhaure TM, Guthridge J, Hoover PJ, Dall'Era M, Wofsy D, Kamen DL, Kalunian KC, Furie R, Belmont M, Izmirly P, Clancy R, Hildeman D, Woodle ES, Apruzzese W, McMahon MA, Grossman J, Barnas JL, Payan-Schober F, Ishimori M, Weisman M, Kretzler M, Berthier CC, Hodgin JB, Demeke DS, Putterman C, Brenner MB, Anolik JH, Raychaudhuri S, Hacohen N, James JA, Davidson A, Petri MA, Buyon JP, Diamond B, Zhang F, Lederer JA, Rao DA. Blood immunophenotyping identifies distinct kidney histopathology and outcomes in patients with lupus nephritis. bioRxiv 2024:2024.01.14.575609. [PMID: 38293222 PMCID: PMC10827101 DOI: 10.1101/2024.01.14.575609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Lupus nephritis (LN) is a frequent manifestation of systemic lupus erythematosus, and fewer than half of patients achieve complete renal response with standard immunosuppressants. Identifying non-invasive, blood-based pathologic immune alterations associated with renal injury could aid therapeutic decisions. Here, we used mass cytometry immunophenotyping of peripheral blood mononuclear cells in 145 patients with biopsy-proven LN and 40 healthy controls to evaluate the heterogeneity of immune activation in patients with LN and to identify correlates of renal parameters and treatment response. Unbiased analysis identified 3 immunologically distinct groups of patients with LN that were associated with different patterns of histopathology, renal cell infiltrates, urine proteomic profiles, and treatment response at one year. Patients with enriched circulating granzyme B+ T cells at baseline showed more severe disease and increased numbers of activated CD8 T cells in the kidney, yet they had the highest likelihood of treatment response. A second group characterized primarily by a high type I interferon signature had a lower likelihood of response to therapy, while a third group appeared immunologically inactive by immunophenotyping at enrollment but with chronic renal injuries. Main immune profiles could be distilled down to 5 simple cytometric parameters that recapitulate several of the associations, highlighting the potential for blood immune profiling to translate to clinically useful non-invasive metrics to assess immune-mediated disease in LN.
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Ogi K, Iwamoto T, Sasaya T, Nishiyama K, Tokura T, Sasaki T, Dehari H, Arihara Y, Murase K, Saito M, Someya M, Takada K, Miyazaki A. Notch signaling genes and CD8 + T-cell dynamics: Their contribution to immune-checkpoint inhibitor therapy in oral squamous cell carcinoma: A retrospective study. Cancer Med 2024; 13:e6985. [PMID: 38491819 PMCID: PMC10943361 DOI: 10.1002/cam4.6985] [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: 10/19/2023] [Revised: 12/29/2023] [Accepted: 01/22/2024] [Indexed: 03/18/2024] Open
Abstract
BACKGROUND Aberrant Notch signaling pathway has been related with the tumorigenesis in head and neck region, involving oral cavity. Here, we report the correlation between mutations in the Notch signaling pathway and CD8+ T-cell infiltration via PD-L1, which lead to enhanced antitumor immunity and may target for immune-checkpoint inhibitors (ICIs) therapy. METHODS This retrospective study analyzed the results of immunohistochemical staining for PD-L1 and CD8+ T-cell infiltration in 10 patients and whole-exome sequencing (WES) was conducted on five of these patients to identify frequently mutated genes. RESULTS Four of 10 patients were positive for PD-L1 and CD8+ T. By analyzing WES in three of these four patients, we notably identified the mutations of NOTCH1, FBXW7, and noncoding RNA intronic mutation in NOTCH2NLR in two of these three patients. This study may enable better selection of ICI therapy with CD8+ T-cell infiltration via PD-L1 expression for oral squamous cell carcinoma patients with mutations in Notch signaling pathway.
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Affiliation(s)
- Kazuhiro Ogi
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Takahiro Iwamoto
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Takashi Sasaya
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Koyo Nishiyama
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Takaaki Tokura
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Takanori Sasaki
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Hironari Dehari
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Yohei Arihara
- Department of Medical OncologySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Kazuyuki Murase
- Department of Medical OncologySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Masato Saito
- Department of RadiologySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Masanori Someya
- Department of RadiologySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Kohichi Takada
- Department of Medical OncologySapporo Medical University School of MedicineSapporoHokkaidoJapan
| | - Akihiro Miyazaki
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoHokkaidoJapan
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Morita T, Sasaki T, Koizumi Y, Fukushima H, Shimbashi W, Mitani H. Favourable swallowing outcomes after subtotal glossectomy with laryngeal suspension. Int J Oral Maxillofac Surg 2024; 53:191-198. [PMID: 37516548 DOI: 10.1016/j.ijom.2023.07.002] [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: 01/05/2023] [Revised: 07/07/2023] [Accepted: 07/13/2023] [Indexed: 07/31/2023]
Abstract
Subtotal or total glossectomy for advanced tongue cancer has an adverse impact on swallowing. The purpose of this retrospective study was to analyse postoperative swallowing outcomes and to determine the ideal reconstruction method in these patients. The clinical and swallowing data of patients with tongue cancer who underwent subtotal glossectomy at the study institution between 2005 and 2019 were reviewed retrospectively. Data were available for 101 patients. The most common reconstruction method was a free rectus abdominis musculocutaneous flap (69 cases). The postoperative feeding tube dependency rate was 11.1% at discharge and 9.4% at 1 year. During the study period, laryngeal suspension and/or a cricopharyngeal myotomy was performed in 39 patients (38.6%), with 25 of these operations performed after 2017. Patients treated in 2017-2019 were significantly more able to take thin liquid (P < 0.001) and lost less weight (P = 0.015) compared to those treated in 2005-2016. Multivariate analysis of 61 patients who did not undergo laryngeal suspension and/or cricopharyngeal myotomy showed significant feeding tube dependency in those aged 65 years and older (P = 0.004). Thin liquid intake was significantly improved after subtotal glossectomy with laryngeal suspension, which led to better postoperative swallowing and improved quality of life.
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Affiliation(s)
- T Morita
- Department of Head and Neck, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan.
| | - T Sasaki
- Department of Head and Neck, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Y Koizumi
- Department of Head and Neck, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - H Fukushima
- Department of Head and Neck, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - W Shimbashi
- Department of Head and Neck, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - H Mitani
- Department of Head and Neck, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
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Midorikawa S, Mizukami H, Kudoh K, Takeuchi Y, Sasaki T, Kushibiki H, Wang Z, Itakura Y, Murakami K, Kudo N, Nagaki T, Wakasa T, Nakamura Y, Matsubara A. Diabetes can increase the prevalence of EBV infection and worsen the prognosis of nasopharyngeal carcinoma. Pathology 2024; 56:65-74. [PMID: 38071160 DOI: 10.1016/j.pathol.2023.09.013] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 09/13/2023] [Accepted: 09/27/2023] [Indexed: 01/24/2024]
Abstract
Epstein‒Barr virus (EBV) infection is a primary oncogenic factor of nasopharyngeal carcinoma (NPC) that elicits epithelial-mesenchymal transition (EMT). Although diabetic patients are more susceptible to various infectious diseases, the pathological association with virus-related NPC has not yet been clarified. Herein, we evaluated the influence of diabetes on the clinicopathological changes of 70 patients with NPC. Disease-specific survival (DSS) modified by viral infection was also analysed. The proportion of NPC patients with diabetes was 32.9% (23/70 cases), and 91.3% (21/23 cases) were infected with EBV detected by EBER-I in situ hybridisation. NPC with diabetes showed an effect on EMT evaluated by immunostaining for E-cadherin and vimentin, which was correlated with HbA1c levels. Receiver operating characteristic (ROC) curve analysis determined a HbA1c level of 6.5% as the cut-off value for primary disease death at 2 years [area under the curve (AUC) 0.76; sensitivity 0.64; and specificity 0.81]. High HbA1c levels (≥6.5%) significantly increased the number of lymph node metastases in NPC compared to low HbA1c levels (<6.5%, p<0.01). Diabetic NPC patients had a significantly poorer prognosis than all non-diabetic patients (DSS, 72 months vs not reached, p<0.05). Diabetic EBV-positive NPC patients had a significantly poorer prognosis than non-diabetic EBV-positive patients (DSS, 35 months vs not reached, p<0.01). Multivariate analysis using the Cox proportional hazards model also suggested that HbA1c ≥6.5% was a significant factor in poor prognosis, with a hazard ratio of 6.84 (p<0.05). Collectively, our results revealed for the first time a high prevalence of EBV infection, poor prognosis and the importance of proper glycaemic control in diabetic NPC patients.
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Affiliation(s)
- Shin Midorikawa
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan; Department of Otolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Hiroki Mizukami
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
| | - Kazuhiro Kudoh
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Yuki Takeuchi
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Takanori Sasaki
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Hanae Kushibiki
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Zhenchao Wang
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Yuko Itakura
- Department of Pathology, Japanese Red Cross Ishinomaki Hospital, Ishinomaki, Miyagi, Japan
| | - Kotaro Murakami
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Naomi Kudo
- Department of Otolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Takahiko Nagaki
- Department of Otolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
| | - Tomoko Wakasa
- Department of Diagnostic Pathology, Kindai University Nara Hospital, Nara, Japan
| | - Yasuhiro Nakamura
- Division of Pathology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi, Japan
| | - Atsushi Matsubara
- Department of Otolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, 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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Nakahara M, Nakamura J, Nakamura R, Nakamura T, Nakaoka M, Nakashima E, Nakata J, Nakata M, Nakatani S, Nakatsuka A, Nakayama Y, Nakhoul G, Nangaku M, Naverrete G, Navivala A, Nazeer I, Negrea L, Nethaji C, Newman E, Ng SYA, Ng TJ, Ngu LLS, Nimbkar T, Nishi H, Nishi M, Nishi S, Nishida Y, Nishiyama A, Niu J, Niu P, Nobili G, Nohara N, Nojima I, Nolan J, Nosseir H, Nozawa M, Nunn M, Nunokawa S, Oda M, Oe M, Oe Y, Ogane K, Ogawa W, Ogihara T, Oguchi G, Ohsugi M, Oishi K, Okada Y, Okajyo J, Okamoto S, Okamura K, Olufuwa O, Oluyombo R, Omata A, Omori Y, Ong LM, Ong YC, Onyema J, Oomatia A, Oommen A, Oremus R, Orimo Y, Ortalda V, Osaki Y, Osawa Y, Osmond Foster J, O'Sullivan A, Otani T, Othman N, Otomo S, O'Toole J, Owen L, Ozawa T, Padiyar A, Page N, Pajak S, Paliege A, Pandey A, Pandey R, Pariani H, Park J, Parrigon M, Passauer J, Patecki M, Patel M, Patel R, Patel T, Patel Z, Paul R, Paul R, Paulsen L, Pavone L, Peixoto A, Peji J, Peng BC, Peng K, Pennino L, Pereira E, Perez E, Pergola P, Pesce F, Pessolano G, Petchey W, Petr EJ, Pfab T, Phelan P, Phillips R, Phillips T, Phipps M, Piccinni G, Pickett T, Pickworth S, Piemontese M, Pinto D, Piper J, Plummer-Morgan J, Poehler D, Polese L, Poma V, Pontremoli R, Postal A, Pötz C, Power A, Pradhan N, Pradhan R, Preiss D, Preiss E, Preston K, Prib N, Price L, Provenzano C, Pugay C, Pulido R, Putz F, Qiao Y, Quartagno R, Quashie-Akponeware M, Rabara R, Rabasa-Lhoret R, Radhakrishnan D, Radley M, Raff R, Raguwaran S, Rahbari-Oskoui F, Rahman M, Rahmat K, Ramadoss S, Ramanaidu S, Ramasamy S, Ramli R, Ramli S, Ramsey T, Rankin A, Rashidi A, Raymond L, Razali WAFA, Read K, Reiner H, Reisler A, Reith C, Renner J, Rettenmaier B, Richmond L, Rijos D, Rivera R, Rivers V, Robinson H, Rocco M, Rodriguez-Bachiller I, Rodriquez R, Roesch C, Roesch J, Rogers J, Rohnstock M, Rolfsmeier S, Roman M, Romo A, Rosati A, Rosenberg S, Ross T, Rossello X, Roura M, Roussel M, Rovner S, Roy S, Rucker S, Rump L, Ruocco M, Ruse S, Russo F, Russo M, Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania 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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Mueller AA, Sasaki T, Keegan JW, Nguyen JP, Griffith A, Horisberger AM, Licata T, Fieg E, Cao Y, Elahee M, Marks KE, Simmons DP, Briere LC, Cobban LA, Pallais JC, High FA, Walker MA, Linnoila JJ, Sparks JA, Holers VM, Costenbader KH, Sweetser DA, Krier JB, Loscalzo J, Lederer JA, Rao DA. High-dimensional immunophenotyping reveals immune cell aberrations in patients with undiagnosed inflammatory and autoimmune diseases. J Clin Invest 2023; 133:e169619. [PMID: 37874643 PMCID: PMC10721141 DOI: 10.1172/jci169619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023] Open
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Daimon P. Simmons
- Department of Medicine
- Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | | | | | | | | | - Melissa A. Walker
- Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Jenny J. Linnoila
- Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | - V. Michael Holers
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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Villaseñor-Altamirano AB, Jain D, Jeong Y, Menon JA, Kamiya M, Haider H, Manandhar R, Sheikh MDA, Athar H, Merriam LT, Ryu MH, Sasaki T, Castaldi PJ, Rao DA, Sholl LM, Vivero M, Hersh CP, Zhou X, Veerkamp J, Yun JH, Kim EY. Activation of CD8 + T Cells in Chronic Obstructive Pulmonary Disease Lung. Am J Respir Crit Care Med 2023; 208:1177-1195. [PMID: 37756440 PMCID: PMC10868372 DOI: 10.1164/rccm.202305-0924oc] [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: 05/28/2023] [Accepted: 09/27/2023] [Indexed: 09/29/2023] Open
Abstract
Rationale: Despite the importance of inflammation in chronic obstructive pulmonary disease (COPD), the immune cell landscape in the lung tissue of patients with mild-moderate disease has not been well characterized at the single-cell and molecular level. Objectives: To define the immune cell landscape in lung tissue from patients with mild-moderate COPD at single-cell resolution. Methods: We performed single-cell transcriptomic, proteomic, and T-cell receptor repertoire analyses on lung tissue from patients with mild-moderate COPD (n = 5, Global Initiative for Chronic Obstructive Lung Disease I or II), emphysema without airflow obstruction (n = 5), end-stage COPD (n = 2), control (n = 6), or donors (n = 4). We validated in an independent patient cohort (N = 929) and integrated with the Hhip+/- murine model of COPD. Measurements and Main Results: Mild-moderate COPD lungs have increased abundance of two CD8+ T cell subpopulations: cytotoxic KLRG1+TIGIT+CX3CR1+ TEMRA (T effector memory CD45RA+) cells, and DNAM-1+CCR5+ T resident memory (TRM) cells. These CD8+ T cells interact with myeloid and alveolar type II cells via IFNG and have hyperexpanded T-cell receptor clonotypes. In an independent cohort, the CD8+KLRG1+ TEMRA cells are increased in mild-moderate COPD lung compared with control or end-stage COPD lung. Human CD8+KLRG1+ TEMRA cells are similar to CD8+ T cells driving inflammation in an aging-related murine model of COPD. Conclusions: CD8+ TEMRA cells are increased in mild-moderate COPD lung and may contribute to inflammation that precedes severe disease. Further study of these CD8+ T cells may have therapeutic implications for preventing severe COPD.
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Affiliation(s)
| | - Dhawal Jain
- Pulmonary Drug Discovery Laboratory, Pharmaceuticals Research and Development, Bayer US LLC, Boston, Massachusetts; and
| | - Yunju Jeong
- Division of Pulmonary and Critical Care Medicine
- Harvard Medical School, Boston, Massachusetts
| | | | - Mari Kamiya
- Division of Pulmonary and Critical Care Medicine
- Harvard Medical School, Boston, Massachusetts
| | - Hibah Haider
- Division of Pulmonary and Critical Care Medicine
| | | | | | - Humra Athar
- Division of Pulmonary and Critical Care Medicine
- Pulmonary Drug Discovery Laboratory, Pharmaceuticals Research and Development, Bayer US LLC, Boston, Massachusetts; and
| | | | - Min Hyung Ryu
- Channing Division of Network Medicine, and
- Harvard Medical School, Boston, Massachusetts
| | - Takanori Sasaki
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, and
- Harvard Medical School, Boston, Massachusetts
| | - Peter J. Castaldi
- Channing Division of Network Medicine, and
- Harvard Medical School, Boston, Massachusetts
| | - Deepak A. Rao
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, and
- Harvard Medical School, Boston, Massachusetts
| | - Lynette M. Sholl
- Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Marina Vivero
- Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Craig P. Hersh
- Channing Division of Network Medicine, and
- Harvard Medical School, Boston, Massachusetts
| | - Xiaobo Zhou
- Channing Division of Network Medicine, and
- Harvard Medical School, Boston, Massachusetts
| | - Justus Veerkamp
- Pharmaceuticals, Research & Early Development Precision Medicine RED (preMED), Pharmaceuticals Research and Development, Bayer AG, Wuppertal, Germany
| | - Jeong H. Yun
- Channing Division of Network Medicine, and
- Harvard Medical School, Boston, Massachusetts
| | - Edy Y. Kim
- Division of Pulmonary and Critical Care Medicine
- Harvard Medical School, Boston, Massachusetts
| | - the MGB-Bayer Pulmonary Drug Discovery Lab
- Division of Pulmonary and Critical Care Medicine
- Channing Division of Network Medicine, and
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, and
- Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
- Pulmonary Drug Discovery Laboratory, Pharmaceuticals Research and Development, Bayer US LLC, Boston, Massachusetts; and
- Pharmaceuticals, Research & Early Development Precision Medicine RED (preMED), Pharmaceuticals Research and Development, Bayer AG, Wuppertal, Germany
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Ikeuchi Y, Someya M, Hasegawa T, Saito M, Mafune S, Tsuchiya T, Kitagawa M, Gocho T, Dehari H, Ogi K, Sasaki T, Hirohashi Y, Torigoe T, Hirokawa N, Miyazaki A, Sakata KI. Immunohistological evaluation of patients treated with intra-arterial chemoradiotherapy and surgery for oral cancer. Med Mol Morphol 2023; 56:288-296. [PMID: 37507576 DOI: 10.1007/s00795-023-00367-8] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023]
Abstract
Preoperative intra-arterial chemoradiotherapy (IACRT) can improve the outcome and reduce the extent of surgery in patients with advanced oral cancer. However, the response to this regimen varies among patients, which may be related to the immune status of the tumor. We investigated the effects of proteins involved in tumor immunity on the outcomes of combined IACRT and surgery for oral cancer. We examined CD8 + and FoxP3 + tumor-infiltrating lymphocytes (TILs) and programmed death ligand 1 (PD-L1) expression on immune cells and tumor cells in pretreatment biopsy samples from 69 patients diagnosed with oral cancer treated with IACRT at our institution during 2000-2020. Patients with abundant CD8 + TILs had significantly better 5-year disease-specific survival (DSS) compared to that of patients with less infiltration of these cells (P = 0.016). Patients with higher FoxP3 + T-cells invasion had significantly better DSS compared to that of less FoxP3 (P = 0.005). Patients with high PD-L1 expression in tumor cells and immune cells had significantly better DSS than that of patients with low PD-L1 expression in these cells (P = 0.009 and P = 0.025, respectively). Collectively, these results suggest that the tumor immune microenvironment could affect outcomes of IACRT treatment in oral cancer.
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Affiliation(s)
- Yutaro Ikeuchi
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Masanori Someya
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan.
| | - Tomokazu Hasegawa
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Masato Saito
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Shoh Mafune
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Takaaki Tsuchiya
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Mio Kitagawa
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Toshio Gocho
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Hironari Dehari
- Department of Oral Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kazuhiro Ogi
- Department of Oral Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takanori Sasaki
- Department of Oral Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Naoki Hirokawa
- Department of Diagnostic Radiology, KKR Sapporo Medical Center, Sapporo, Japan
| | - Akihiro Miyazaki
- Department of Oral Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Koh-Ichi Sakata
- Department of Radiology, Sapporo Medical University School of Medicine, S1W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan
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Ishikawa S, Sasaki T, Maruyama T, Shinoda K. Proportion and characteristics of lacrimal drainage pathway disease and keratopathy in non-infectious corneal perforation using lacrimal syringing test. Sci Rep 2023; 13:19734. [PMID: 37957234 PMCID: PMC10643640 DOI: 10.1038/s41598-023-47248-9] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/10/2023] [Indexed: 11/15/2023] Open
Abstract
Lacrimal drainage pathway disease-associated keratopathy (LDAK) has been associated with corneal perforation, which arises from both infectious and non-infectious corneal disorders. However, patients with corneal perforation are often not routinely tested for LDAK, and the potential risk posed by LDAK in the development of corneal ulcers has not been investigated in detail. This study aimed to assess the proportion and characteristics of LDAK in patients with non-infectious corneal perforation using lacrimal syringing test. This study enrolled 56 patients with corneal perforation treated at Saitama Medical University Hospital between January 2016 and September 2022. The causes of corneal perforation were trauma (n = 17, 30%), infection (n = 19, 34%), non-infection (n = 16, 29%), and unknown (n = 4, 7%). A lacrimal syringing test was performed on 12 patients with non-infectious corneal perforation and 4 with an unknown diagnosis. Among the 16 patients with non-infectious corneal perforation, 13 (81%) had lacrimal drainage disease, but only 3 (19%) patients had lacrimal puncta, as revealed by slit-lamp examinations. The primary bacterial species identified in lacrimal obstructive disease and lacrimal canaliculitis were Staphylococcus spp. and Actinomycetes spp. respectively. Lower temporal and peripheral corneal perforations were common. All patients underwent lacrimal surgery, and 6 (38%) were treated for corneal perforation without corneal surgery. Interestingly, several patients with LDAK who did not exhibit any lacrimal duct obstruction on slit-lamp examination. The study findings demonstrate the significance of the lacrimal syringing test for assessing LDAK in patients with corneal perforation, indicating LDAK as a potential cause of corneal perforation.
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Affiliation(s)
- Sho Ishikawa
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan.
| | - Takanori Sasaki
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan
| | - Takafumi Maruyama
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan
| | - Kei Shinoda
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan
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Ishikawa S, Sasaki T, Maruyama T, Shinoda K. Modified Basket Suture for a Floppy or Irregular Iris in Endothelial Keratoplasty. Cornea 2023; 42:1465-1468. [PMID: 37506357 PMCID: PMC10538609 DOI: 10.1097/ico.0000000000003359] [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: 04/03/2023] [Revised: 06/03/2023] [Accepted: 06/20/2023] [Indexed: 07/30/2023]
Abstract
ABSTRACT Performing endothelial keratoplasty in an eye with a damaged or irregular iris can result in uneven air filling, air escape behind the pupil, anterior iris curvature, a shallow anterior chamber, an uneven anterior chamber depth, difficulty inserting and opening the graft, and iris trauma. We herein present a modified basket suture technique to prevent these iris complications. Before insertion of the corneal donor graft, a double-armed 9-0 polypropylene suture on a curved needle is inserted from 4 equidistant points at the corneal limbus to create a box configuration directly anterior to the iris. These sutures prevent the iris from moving toward the cornea and the anterior chamber from becoming shallow when air replacement is performed. The suture also reduces intraoperative or postoperative iris-related problems because the air filling is more uniform and less prone to migration.
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Affiliation(s)
- Sho Ishikawa
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan
| | - Takanori Sasaki
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan
| | - Takahumi Maruyama
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan
| | - Kei Shinoda
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan
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Kikkawa HS, Sato MP, Matsuo A, Sasaki T, Suyama Y, Tsuge K. Discrimination of Camellia cultivars using iD-NA analysis. Sci Rep 2023; 13:17674. [PMID: 37848466 PMCID: PMC10582245 DOI: 10.1038/s41598-023-44404-z] [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: 05/02/2023] [Accepted: 10/07/2023] [Indexed: 10/19/2023] Open
Abstract
Recently, many new cultivars have been taken abroad illegally, which is now considered an international issue. Botanical evidence found at a crime scene provides valuable information about the origin of the sample. However, botanical resources for forensic evidence remain underutilized because molecular markers, such as microsatellites, are not available without a limited set of species. Multiplexed intersimple sequence repeat (ISSR) genotyping by sequencing (MIG-seq) and its analysis method, identification of not applicable (iD-NA), have been used to determine several genome-wide genetic markers, making them applicable to all plant species, including those with limited available genetic information. Camellia cultivars are popular worldwide and are often planted in many gardens and bred to make new cultivars. In this study, we aimed to analyze Camellia cultivars/species through MIG-seq. MIG-seq could discriminate similar samples, such as bud mutants and closely related samples that could not be distinguished based on morphological features. This discrimination was consistent with that of a previous study that classified cultivars based on short tandem repeat (STR) markers, indicating that MIG-seq has the same or higher discrimination ability as STR markers. Furthermore, we observed unknown phylogenetic relationships. Because MIG-seq can be applied to unlimited species and low-quality DNA, it may be useful in various scientific fields.
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Affiliation(s)
- Hitomi S Kikkawa
- National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba, 277-0882, Japan.
| | - Mitsuhiko P Sato
- Kazusa DNA Research Institute, 2-6-7 Kazusakamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Ayumi Matsuo
- Kawatabi Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232-3 Yomogida, Naruko-Onsen, Osaki, Miyagi, 989-6711, Japan
| | - Takanori Sasaki
- Kawatabi Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232-3 Yomogida, Naruko-Onsen, Osaki, Miyagi, 989-6711, Japan
| | - Yoshihisa Suyama
- Kawatabi Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232-3 Yomogida, Naruko-Onsen, Osaki, Miyagi, 989-6711, Japan
| | - Kouichiro Tsuge
- National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba, 277-0882, Japan
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Kuchira R, Momo K, Kiryu Y, Sasaki T. Medication adherence of bisphosphonate weekly or monthly regimens in patients with osteoporosis using a nationwide large claims database. Pharmazie 2023; 78:207-211. [PMID: 38037217 DOI: 10.1691/ph.2023.3596] [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] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Bisphosphonate (BPN) therapy, which mainly targets osteoporosis, evolves rapidly, leaving patients and physicians with a substantial collection of BPN regimen options. In this study, we aimed to clarify BPN medication adherence between weekly and monthly regimens using a nationwide claims database in Japan. We analyzed 5,016 patients with a screening period of 3 months and a 12 month observation period who started using BPN. We used propensity score matching with baseline patient background after dividing the patients into two groups: weekly and monthly BPN users. Medication adherence was calculated using proportion days cover (PDC). A PDC of > 80% was 55.9% and 52.5% in monthly and weekly formulas, respectively, during the 12 months after initiating BPN treatment. PDC-based BPN medication adherence was higher in monthly regimens than in weekly regimens (66.3±34.0 vs. 64.1±36.8%). No differences were found in the proportion of patients with > 80% medication adherence between the monthly and weekly regimens after stratifying patient background using propensity score matching. Our clinical findings highlight the importance of closely monitoring BPN medication adherence, particularly during the initial year of therapy. Notably, half of the patients with osteoporosis exhibited low medication adherence. Therefore, prioritizing monthly regimens over weekly regimens is crucial to promote BPN adherence and ensure optimal treatment outcomes.
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Affiliation(s)
- R Kuchira
- Department of Pharmacy, Showa University Koto Toyosu Hospital, Tokyo, Japan
| | - K Momo
- Department of Hospital Pharmaceutics, School of Pharmacy, Showa University, Tokyo, Japan
| | - Y Kiryu
- Department of Pharmacy, M&B Collaboration Medical corporation Hokuetsu Hospital, Niigata, Japan
| | - T Sasaki
- Department of Appropriate Medication Therapy Management (MTM), School of Pharmacy, Showa University, Tokyo, Japan
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19
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Saito Y, Nose N, Iida T, Akazawa K, Kanno T, Fujimoto Y, Sasaki T, Akehi M, Higuchi T, Akagi S, Yoshida M, Miyoshi T, Ito H, Nakamura K. In vivo tracking transplanted cardiomyocytes derived from human induced pluripotent stem cells using nuclear medicine imaging. Front Cardiovasc Med 2023; 10:1261330. [PMID: 37745108 PMCID: PMC10512708 DOI: 10.3389/fcvm.2023.1261330] [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: 07/21/2023] [Accepted: 08/28/2023] [Indexed: 09/26/2023] Open
Abstract
Introduction Transplantation of human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) is a promising treatment for heart failure. Information on long-term cell engraftment after transplantation is clinically important. However, clinically applicable evaluation methods have not yet been established. Methods In this study, to noninvasively assess transplanted cell engraftment, human SLC5A5, which encodes a sodium/iodide symporter (NIS) that transports radioactive tracers such as 125I, 18F-tetrafluoroborate (TFB), and 99mTc-pertechnetate (99mTcO4-), was transduced into human induced pluripotent stem cells (iPSCs), and nuclear medicine imaging was used to track engrafted human iPSC-CMs. Results To evaluate the pluripotency of NIS-expressing human iPSCs, they were subcutaneously transplanted into immunodeficient rats. Teratomas were detected by 99mTcO4- single photon emission computed tomography (SPECT/CT) imaging. NIS expression and the uptake ability of 125I were maintained in purified human iPSC-CMs. NIS-expressing human iPSC-CMs transplanted into immunodeficient rats could be detected over time using 99mTcO4- SPECT/CT imaging. Unexpectedly, NIS expression affected cell proliferation of human iPSCs and iPSC-derived cells. Discussion Such functionally designed iPSC-CMs have potential clinical applications as a noninvasive method of grafted cell evaluation, but further studies are needed to determine the effects of NIS transduction on cellular characteristics and functions.
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Affiliation(s)
- Yukihiro Saito
- Department of Cardiovascular Medicine, Okayama University Hospital, Okayama, Japan
| | - Naoko Nose
- Molecular Imaging Project of RECTOR Program, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Toshihiro Iida
- Department of Cardiovascular Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Kaoru Akazawa
- Department of Cardiovascular Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Takayuki Kanno
- Molecular Imaging Project of RECTOR Program, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Yuki Fujimoto
- Molecular Imaging Project of RECTOR Program, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Takanori Sasaki
- Okayama Medical Innovation Center, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Masaru Akehi
- Okayama Medical Innovation Center, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Takahiro Higuchi
- Molecular Imaging Project of RECTOR Program, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
- Department of Nuclear Medicine, University Hospital Würzburg, Würzburg, Germany
- Comprehensive Heart Failure Center, University Hospital Würzburg, Würzburg, Germany
| | - Satoshi Akagi
- Department of Cardiovascular Medicine, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Masashi Yoshida
- Department of Chronic Kidney Disease and Cardiovascular Disease, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Toru Miyoshi
- Department of Cardiovascular Medicine, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Hiroshi Ito
- Department of General Internal Medicine 3, Kawasaki Medical School, Okayama, Japan
| | - Kazufumi Nakamura
- Department of Cardiovascular Medicine, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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20
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Hara Y, Mizukami H, Yamazaki K, Yamada T, Igawa A, Takeuchi Y, Sasaki T, Kushibiki H, Murakami K, Kudoh K, Ishido K, Hakamada K. Dual epigenetic changes in diabetes mellitus-associated pancreatic ductal adenocarcinoma correlate with downregulation of E-cadherin and worsened prognosis. J Pathol Clin Res 2023; 9:354-366. [PMID: 37246239 PMCID: PMC10397378 DOI: 10.1002/cjp2.326] [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: 12/05/2022] [Revised: 04/02/2023] [Accepted: 05/04/2023] [Indexed: 05/30/2023]
Abstract
Diabetes mellitus (DM) is a risk factor for pancreatic ductal adenocarcinoma (PDAC) that promotes the promoter methylation of CDH1. It is still unclear whether DM can exert other epigenetic effects, such as altering microRNA (miR) expression, in PDAC. The expression of miR-100-5p is known to be changed in DM patients and can suppress the expression of E-cadherin. In this study, the correlation between DM status and dual epigenetic changes was evaluated in PDAC specimens from patients who underwent radical surgical resection. A total of 132 consecutive patients with PDAC were clinicopathologically evaluated. E-cadherin and nuclear β-catenin expression was measured using immunohistochemistry. DNA and miRs were extracted from the main tumor site on formalin-fixed paraffin-embedded tissue sections. TaqMan miR assays were applied to assess miR-100-5p expression. Bisulfite modification was conducted on the extracted DNA, which was then subjected to methylation-specific polymerase chain reaction. Immunohistochemistry revealed that decreased E-cadherin expression and increased nuclear β-catenin expression were significantly associated with DM and poor tumor cell differentiation. The presence of long-duration DM (≥3 years) was a significant factor contributing to CDH1 promoter methylation (p < 0.01), while miR-100-5p expression was proportionally correlated with the preoperative HbA1c level (R = 0.34, p < 0.01), but not the duration of DM. The subjects with high miR-100-5p expression and CDH1 promoter methylation showed the highest level of vessel invasion and prevalence of tumor size ≥30 mm. PDAC subjects with dual epigenetic changes showed poorer overall survival (OS) than those with a single epigenetic change. miR-100-5p expression ≥4.13 and CDH1 promoter methylation independently predicted poor OS and disease-free survival (DFS) in the multivariate analysis. OS and DFS worsened in DM subjects with both HbA1c ≥ 6.5% and DM duration ≥3 years. Thus, DM is associated with two modes of epigenetic change by independent mechanisms and worsens prognosis.
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Affiliation(s)
- Yutaro Hara
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
- Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineHirosakiJapan
| | - Hiroki Mizukami
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
| | - Keisuke Yamazaki
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
- Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineHirosakiJapan
| | - Takahiro Yamada
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
- Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineHirosakiJapan
| | - Akiko Igawa
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
- Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineHirosakiJapan
| | - Yuki Takeuchi
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
| | - Takanori Sasaki
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
| | - Hanae Kushibiki
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
| | - Kotaro Murakami
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
| | - Kazuhiro Kudoh
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosakiJapan
| | - Keinosuke Ishido
- Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineHirosakiJapan
| | - Kenichi Hakamada
- Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineHirosakiJapan
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21
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Urano E, Itoh Y, Suzuki T, Sasaki T, Kishikawa JI, Akamatsu K, Higuchi Y, Sakai Y, Okamura T, Mitoma S, Sugihara F, Takada A, Kimura M, Nakao S, Hirose M, Sasaki T, Koketsu R, Tsuji S, Yanagida S, Shioda T, Hara E, Matoba S, Matsuura Y, Kanda Y, Arase H, Okada M, Takagi J, Kato T, Hoshino A, Yasutomi Y, Saito A, Okamoto T. An inhaled ACE2 decoy confers protection against SARS-CoV-2 infection in preclinical models. Sci Transl Med 2023; 15:eadi2623. [PMID: 37647387 DOI: 10.1126/scitranslmed.adi2623] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 07/27/2023] [Indexed: 09/01/2023]
Abstract
The Omicron variant continuously evolves under the humoral immune pressure exerted by vaccination and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, and the resulting Omicron subvariants display further immune evasion and antibody escape. An engineered angiotensin-converting enzyme 2 (ACE2) decoy composed of high-affinity ACE2 and an IgG1 Fc domain could offer an alternative modality to neutralize SARS-CoV-2. We previously reported its broad spectrum and therapeutic potential in rodent models. Here, we demonstrate that the engineered ACE2 decoy retains neutralization activity against Omicron subvariants, including the currently emerging XBB and BQ.1 strains, which completely evade antibodies currently in clinical use. SARS-CoV-2, under the suboptimal concentration of neutralizing drugs, generated SARS-CoV-2 mutants escaping wild-type ACE2 decoy and monoclonal antibodies, whereas no escape mutant emerged against the engineered ACE2 decoy. Furthermore, inhalation of aerosolized decoys improved the outcomes of rodents infected with SARS-CoV-2 at a 20-fold lower dose than that of intravenous administration. Last, the engineered ACE2 decoy exhibited therapeutic efficacy for cynomolgus macaques infected with SARS-CoV-2. These results indicate that this engineered ACE2 decoy represents a promising therapeutic strategy to overcome immune-evading SARS-CoV-2 variants and that liquid aerosol inhalation could be considered as a noninvasive approach to enhance the efficacy of COVID-19 treatments.
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Affiliation(s)
- Emiko Urano
- Laboratory of Immunoregulation and Vaccine Research, Tsukuba Primate Research Center, National Institutes of Biomedical Innovation, Health and Nutrition, Tsukuba, 305-0843, Japan
| | - Yumi Itoh
- Institute for Advanced Co-Creation Studies, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
- Department of Microbiology, Juntendo University School of Medicine, Tokyo, 113-8421, Japan
| | - Tatsuya Suzuki
- Institute for Advanced Co-Creation Studies, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
- Department of Microbiology, Juntendo University School of Medicine, Tokyo, 113-8421, Japan
| | - Takanori Sasaki
- Collaborative Research Center for Okayama Medical Innovation Center, Dentistry, and Pharmaceutical Sciences, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, Okayama, 700-0082, Japan
| | - Jun-Ichi Kishikawa
- Laboratory of CryoEM Structural Biology, Institute for Protein Research, Osaka University, Osaka, 565-0871, Japan
| | - Kanako Akamatsu
- Department of Oncogene, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
| | - Yusuke Higuchi
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Yusuke Sakai
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, 208-0011, Japan
| | - Tomotaka Okamura
- Laboratory of Immunoregulation and Vaccine Research, Tsukuba Primate Research Center, National Institutes of Biomedical Innovation, Health and Nutrition, Tsukuba, 305-0843, Japan
| | - Shuya Mitoma
- Department of Veterinary Science, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2155, Japan
| | - Fuminori Sugihara
- Central Instrumentation Laboratory, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
| | - Akira Takada
- Institute for Advanced Co-Creation Studies, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
| | - Mari Kimura
- Institute for Advanced Co-Creation Studies, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
| | - Shuto Nakao
- Institute for Advanced Co-Creation Studies, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
| | - Mika Hirose
- Laboratory of CryoEM Structural Biology, Institute for Protein Research, Osaka University, Osaka, 565-0871, Japan
| | - Tadahiro Sasaki
- Department of Viral Infection, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
| | - Ritsuko Koketsu
- Department of Viral Infection, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
| | - Shunya Tsuji
- Department of Molecular Microbiology, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
| | - Shota Yanagida
- Division of Pharmacology, National Institute of Health Sciences, Kanagawa, 565-0871, Japan
| | - Tatsuo Shioda
- Department of Viral Infection, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka, 565-0871, Japan
| | - Eiji Hara
- Department of Molecular Microbiology, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka, 565-0871, Japan
| | - Satoaki Matoba
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Yoshiharu Matsuura
- Center for Infectious Disease Education and Research, Osaka University, Osaka, 565-0871, Japan
| | - Yasunari Kanda
- Division of Pharmacology, National Institute of Health Sciences, Kanagawa, 565-0871, Japan
| | - Hisashi Arase
- Center for Infectious Disease Education and Research, Osaka University, Osaka, 565-0871, Japan
- Department of Immunochemistry, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
- Center for Advanced Modalities and Drug Delivery System, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Masato Okada
- Department of Oncogene, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka, 565-0871, Japan
- Center for Advanced Modalities and Drug Delivery System, Osaka University, Suita, Osaka, 565-0871, Japan
- Laboratory of Oncogene Research, World Premier International Immunology Frontier Research Centre, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Junichi Takagi
- Center for Infectious Disease Education and Research, Osaka University, Osaka, 565-0871, Japan
- Laboratory of Protein Synthesis and Expression, Institute for Protein Research, Osaka University, Osaka, 565-0871, Japan
| | - Takayuki Kato
- Laboratory of CryoEM Structural Biology, Institute for Protein Research, Osaka University, Osaka, 565-0871, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka, 565-0871, Japan
- Center for Advanced Modalities and Drug Delivery System, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Atsushi Hoshino
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Yasuhiro Yasutomi
- Laboratory of Immunoregulation and Vaccine Research, Tsukuba Primate Research Center, National Institutes of Biomedical Innovation, Health and Nutrition, Tsukuba, 305-0843, Japan
- Department of Molecular and Experimental Medicine, Mie University Graduate School of Medicine, Mie, 514-8507, Japan
| | - Akatsuki Saito
- Department of Veterinary Science, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2155, Japan
- Center for Animal Disease Control, University of Miyazaki, Miyazaki, 889-2155, Japan
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki, 889-2155, Japan
| | - Toru Okamoto
- Institute for Advanced Co-Creation Studies, Research Institute for Microbial Diseases, Osaka University, Osaka, 565-0871, Japan
- Department of Microbiology, Juntendo University School of Medicine, Tokyo, 113-8421, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka, 565-0871, Japan
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22
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Arihara Y, Takada K, Murase K, Kawamura K, Kakiuchi A, Kurose M, Sasaki T, Ogi K, Yamazaki M, Miyazaki A, Kato J, Takano K. Inflammation and malnutrition as markers of poor outcomes in head and neck cancer patients treated with nivolumab. Acta Otolaryngol 2023; 143:714-720. [PMID: 37537940 DOI: 10.1080/00016489.2023.2240372] [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: 05/20/2023] [Accepted: 07/18/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND Although immune checkpoint inhibitors (ICIs) are approved for the treatment of recurrent or metastatic head and neck squamous cell carcinoma (R/M HNSCC), the response to ICIs remains unclear. AIMS/OBJECTIVES To summarize the clinical outcomes of patients with HNSCC treated with nivolumab (Nivo) in our institution, and provide a basis for research on biomarkers that can predict the efficacy of ICIs. MATERIAL AND METHODS Forty-four patients with R/M HNSCC who received Nivo (2017-2022) were retrospectively analysed. RESULTS Despite the older age of this cohort (median age of 72 years), we observed favourable long-term outcomes, with an overall survival of 24.1 months, which could be attributed to our aggressive nutritional intervention. Older age, poor performance status (≥1), and higher Glasgow Prognostic Scores, reflecting the chronic inflammation and malnutrition of patients, were associated with poor prognoses, with hazard ratios for death of 2.63 (95% confidence interval [CI]; 1.07-6.46, p = .016), 3.50 (95% CI; 1.28-9.55, p = .001), and 2.69 (95% CI; 1.17-6.21, p = .029), respectively. Peripheral blood biomarker analysis revealed that systemic inflammation may negatively affect the efficacy of Nivo. CONCLUSIONS AND SIGNIFICANCE Our results suggest that nutrition and inflammation must be the focus of future studies aiming to identify novel biomarkers.
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Affiliation(s)
- Yohei Arihara
- Department of Medical Oncology, Sapporo Medical University, Sapporo, Japan
| | - Kohichi Takada
- Department of Medical Oncology, Sapporo Medical University, Sapporo, Japan
| | - Kazuyuki Murase
- Department of Medical Oncology, Sapporo Medical University, Sapporo, Japan
| | - Kentaro Kawamura
- Department of Medical Oncology, Sapporo Medical University, Sapporo, Japan
| | - Akito Kakiuchi
- Department of Otolaryngology - Head and Neck Surgery, Sapporo Medical University, Sapporo, Japan
| | - Makoto Kurose
- Department of Otolaryngology - Head and Neck Surgery, Sapporo Medical University, Sapporo, Japan
| | - Takanori Sasaki
- Department of Oral Surgery, Sapporo Medical University, Sapporo, Japan
| | - Kazuhiro Ogi
- Department of Oral Surgery, Sapporo Medical University, Sapporo, Japan
| | - Masahide Yamazaki
- Department of Pharmacy, Sapporo Medical University Hospital, Sapporo, Japan
| | - Akihiro Miyazaki
- Department of Oral Surgery, Sapporo Medical University, Sapporo, Japan
| | - Junji Kato
- Department of Medical Oncology, Sapporo Medical University, Sapporo, Japan
| | - Kenichi Takano
- Department of Otolaryngology - Head and Neck Surgery, Sapporo Medical University, Sapporo, Japan
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23
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Ishikawa S, Sasaki T, Maruyama T, Murayama K, Shinoda K. Effectiveness and Adherence of Dry Eye Patients Who Switched from Short- to Long-Acting Diquafosol Ophthalmic Solution. J Clin Med 2023; 12:4495. [PMID: 37445527 DOI: 10.3390/jcm12134495] [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: 06/12/2023] [Revised: 06/30/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
Long-acting (lasting extend) diquafosol ophthalmic solution 3% (DQSLX) is administered three times daily versus six times daily for the currently approved diquafosol ophthalmic solution (DQS). We investigated the efficacy and adherence of switching from DQS to DQSLX in patients with dry eye disease. We retrospectively enrolled 54 patients (17 men and 37 women) with eye drop prescription changes from DQS to DQSLX between December 2022 and March 2023. The number of eye drops, subjective symptoms, tear breakup time (TBUT), and fluorescein staining scores from baseline to 4 weeks after starting DQSLX were evaluated. Participants then chose between DQSLX and DQS. Patients administered DQSLX three times per day, as listed on the package insert, 88.9% of the time; significantly higher than the 5.6% of patients who used DQS six times per day, as instructed. The DQSLX group showed significant improvements in symptoms and fluorescein staining scores (23.3 ± 20.1 and 0.8 ± 1.7, respectively) compared with the baseline (37.8 ± 24.1 and 1.1 ± 1.5, p = 0.01 and <0.001, respectively). The TBUT in the DQSLX group (5.0 ± 2.5 s) did not significantly improve compared to the DQS group (4.5 ± 1.7 s) (p = 0.75). Fifty-one (94.4%) patients opted to continue DQSLX because of the pleasant feeling of the eye drops, long-lasting moisture, and less frequent administration. The efficacy and adherence of DQSLX was comparable to DQS.
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Affiliation(s)
- Sho Ishikawa
- Department of Ophthalmology, Saitama Medical University, Saitama 350-0495, Japan
| | - Takanori Sasaki
- Department of Ophthalmology, Saitama Medical University, Saitama 350-0495, Japan
| | - Takahumi Maruyama
- Department of Ophthalmology, Saitama Medical University, Saitama 350-0495, Japan
| | | | - Kei Shinoda
- Department of Ophthalmology, Saitama Medical University, Saitama 350-0495, Japan
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24
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Sakai H, Tokiwa Y, Opletal P, Kimata M, Awaji S, Sasaki T, Aoki D, Kambe S, Tokunaga Y, Haga Y. Field Induced Multiple Superconducting Phases in UTe_{2} along Hard Magnetic Axis. Phys Rev Lett 2023; 130:196002. [PMID: 37243663 DOI: 10.1103/physrevlett.130.196002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/19/2022] [Accepted: 04/04/2023] [Indexed: 05/29/2023]
Abstract
The superconducting (SC) phase diagram in uranium ditelluride is explored under magnetic fields (H) along the hard magnetic b axis using a high-quality single crystal with T_{c}=2.1 K. Simultaneous electrical resistivity and ac magnetic susceptibility measurements discern low- and high-field SC (LFSC and HFSC, respectively) phases with contrasting field-angular dependence. Crystal quality increases the upper critical field of the LFSC phase, but the H^{*} of ∼15 T, at which the HFSC phase appears, is always the same through the various crystals. A phase boundary signature is also observed inside the LFSC phase near H^{*}, indicating an intermediate SC phase characterized by small flux pinning forces.
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Affiliation(s)
- H Sakai
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Y Tokiwa
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - P Opletal
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - M Kimata
- Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - S Awaji
- High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - T Sasaki
- Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - D Aoki
- Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
| | - S Kambe
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Y Tokunaga
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Y Haga
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
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Tsutsui K, Nemoto M, Kono M, Sato T, Yoshizawa Y, Yumoto Y, Nakagawa R, Iwamoto T, Wada H, Sasaki T. GC-MS analysis of exhaled gas for fine detection of inflammatory diseases. Anal Biochem 2023; 671:115155. [PMID: 37059321 DOI: 10.1016/j.ab.2023.115155] [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: 12/05/2022] [Revised: 04/04/2023] [Accepted: 04/12/2023] [Indexed: 04/16/2023]
Abstract
Exhaled gas analysis is a non-invasive test ideal for continuous monitoring of biological metabolic information. We analyzed the exhaled gas of patients with inflammatory diseases for trace gas components that could serve as biomarkers that enable early detection of inflammatory diseases and assessment of treatment efficacy. Furthermore, we examined the clinical potential of this method. We enrolled 34 patients with inflammatory disease and 69 healthy participants. Volatile components from exhaled gas were collected and analyzed by a gas chromatography-mass spectrometry system, and the data were examined for gender, age, inflammatory markers, and changes in markers before and after treatment. The data were tested for statistical significance through discriminant analysis by Volcano plot, Analysis of variance test, principal component analysis, and cluster analysis comparing healthy and patient groups. There were no significant differences in the trace components of exhaled gas by gender or age. However, we found differences in some components of the exhaled gas between healthy and untreated patients. In addition, after treatment, gas patterns including the patient-specific components changed to a state closer to the inflammation-free status. We identified trace components in the exhaled gas of patients with inflammatory diseases and found that some of these regressed after treatment.
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Affiliation(s)
- K Tsutsui
- Department of General Internal Medicine, Katsushika Medical Center, The Jikei University School of Medicine, Japan
| | - M Nemoto
- Department of General Internal Medicine, Katsushika Medical Center, The Jikei University School of Medicine, Japan.
| | - M Kono
- Institute of Clinical Medicine and Research, The Jikei University School of Medicine, Japan; Department of Laboratory Medicine, The Jikei University School of Medicine, Japan
| | - T Sato
- Institute of Clinical Medicine and Research, The Jikei University School of Medicine, Japan; Faculty of Pharmaceutical Sciences, Tokyo University of Science, Japan
| | - Y Yoshizawa
- Institute of Clinical Medicine and Research, The Jikei University School of Medicine, Japan
| | - Y Yumoto
- Institute of Clinical Medicine and Research, The Jikei University School of Medicine, Japan
| | | | - T Iwamoto
- Core Research Facilities for Basic Science, The Jikei University School of Medicine, Japan
| | - H Wada
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, Japan
| | - T Sasaki
- Institute of Clinical Medicine and Research, The Jikei University School of Medicine, Japan; Sasaki Institute, Sasaki Foundation, Japan
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26
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Ohashi N, Koike K, Sakai K, Nishiyama K, Sasaki T, Ogi K, Dehari H, Kobayashi N, Miyazaki A. Accurate estimation of skeletal muscle mass by comparison of computed tomographic images of the third lumbar and third cervical vertebrae in Japanese patients with oral squamous cell carcinoma. Oral Radiol 2023; 39:408-417. [PMID: 36114388 DOI: 10.1007/s11282-022-00653-8] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 08/31/2022] [Indexed: 10/14/2022]
Abstract
OBJECTIVES We evaluated the accuracy of estimating the cross-sectional area (CSA) at the third lumbar vertebra (L3) based on the CSA at the third cervical vertebra (C3) using computed tomographic images, and we identified the sources of error and bias using the evaluation of absolute reliability in 89 Japanese patients with oral squamous cell carcinoma. METHODS Skeletal muscle CSA was measured at the C3 and L3 on pretreatment computed tomographic images. We used the CSA at the C3 to estimate CSA at the L3 in an existing prediction formula. Correlation coefficients were used to evaluate the relative reliability of the estimate, and Bland-Altman analysis and minimum detectable change (MDC) were used to evaluate its absolute reliability. RESULTS Estimated and actual CSAs at L3 were strongly correlated (r = 0.885, p < 0.001). The mean difference between the estimated and actual CSAs was - 1.0887 cm2, the 95% confidence interval was - 4.09 to 1.91 cm2 (p = 0.472), and the 95% limits of agreement were - 29.0 and 26.8 cm2. The MDC at the 95% level of confidence in estimated and actual CSAs was 27.9 cm2. CONCLUSIONS The estimation of CSA at the L3 from the existing prediction formula with the CSA at the C3 had no systematic biases, but it did have random errors. Random errors resulted from measurement errors and biological variation. Usefulness of the existing formula is limited by physical differences in populations.
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Affiliation(s)
- Nobuhide Ohashi
- Department of Oral Surgery, School of Medicine, Sapporo Medical University, South 1 West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan. .,Department of Hygiene, School of Medicine, Sapporo Medical University, South 1 West 17, Chuo-ku, Sapporo, Hokkaido, 060-8556, Japan.
| | - Kazushige Koike
- Department of Oral Surgery, School of Medicine, Sapporo Medical University, South 1 West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Kurumi Sakai
- Department of Oral Surgery, School of Medicine, Sapporo Medical University, South 1 West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan.,Department of Hygiene, School of Medicine, Sapporo Medical University, South 1 West 17, Chuo-ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Koyo Nishiyama
- Department of Oral Surgery, School of Medicine, Sapporo Medical University, South 1 West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Takanori Sasaki
- Department of Oral Surgery, School of Medicine, Sapporo Medical University, South 1 West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Kazuhiro Ogi
- Department of Oral Surgery, School of Medicine, Sapporo Medical University, South 1 West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Hironari Dehari
- Department of Oral Surgery, School of Medicine, Sapporo Medical University, South 1 West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan
| | - Nobumichi Kobayashi
- Department of Hygiene, School of Medicine, Sapporo Medical University, South 1 West 17, Chuo-ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Akihiro Miyazaki
- Department of Oral Surgery, School of Medicine, Sapporo Medical University, South 1 West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan
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YOKOTE S, Ueda H, Shimizu A, Okabe M, Haruhara K, Sasaki T, Tsuboi N, Yokoo T. WCN23-1022 Persistent microscopic hematuria in IgA nephropathy and frequency of gross hematuria following SARS-CoV-2 mRNA vaccination. Kidney Int Rep 2023. [PMCID: PMC10025605 DOI: 10.1016/j.ekir.2023.02.991] [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: 03/22/2023] Open
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28
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Sasaki T, Shoji T, Kanno J, Ishii H, Yoshikawa Y, Ibuki H, Shinoda K. Correction: Sasaki et al. Automatic Determination of the Center of Macular Hole Using Optical Coherence Tomography En Face Images. J. Clin. Med. 2022, 11, 3167. J Clin Med 2023; 12:jcm12010392. [PMID: 36615196 PMCID: PMC9821581 DOI: 10.3390/jcm12010392] [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: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 01/05/2023] Open
Abstract
There was an error in the original publication [...].
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Kanno J, Shoji T, Ishii H, Ibuki H, Yoshikawa Y, Sasaki T, Shinoda K. Deep Learning with a Dataset Created Using Kanno Saitama Macro, a Self-Made Automatic Foveal Avascular Zone Extraction Program. J Clin Med 2022; 12:jcm12010183. [PMID: 36614984 PMCID: PMC9821090 DOI: 10.3390/jcm12010183] [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: 11/03/2022] [Revised: 12/08/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
The extraction of the foveal avascular zone (FAZ) from optical coherence tomography angiography (OCTA) images has been used in many studies in recent years due to its association with various ophthalmic diseases. In this study, we investigated the utility of a dataset for deep learning created using Kanno Saitama Macro (KSM), a program that automatically extracts the FAZ using swept-source OCTA. The test data included 40 eyes of 20 healthy volunteers. For training and validation, we used 257 eyes from 257 patients. The FAZ of the retinal surface image was extracted using KSM, and a dataset for FAZ extraction was created. Based on that dataset, we conducted a training test using a typical U-Net. Two examiners manually extracted the FAZ of the test data, and the results were used as gold standards to compare the Jaccard coefficients between examiners, and between each examiner and the U-Net. The Jaccard coefficient was 0.931 between examiner 1 and examiner 2, 0.951 between examiner 1 and the U-Net, and 0.933 between examiner 2 and the U-Net. The Jaccard coefficients were significantly better between examiner 1 and the U-Net than between examiner 1 and examiner 2 (p < 0.001). These data indicated that the dataset generated by KSM was as good as, if not better than, the agreement between examiners using the manual method. KSM may contribute to reducing the burden of annotation in deep learning.
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Affiliation(s)
- Junji Kanno
- Department of Ophthalmology, Saitama Medical University School of Medicine, Iruma 350-0495, Japan
| | - Takuhei Shoji
- Department of Ophthalmology, Saitama Medical University School of Medicine, Iruma 350-0495, Japan
- Koedo Eye Institute, Kawagoe 350-1123, Japan
- Correspondence: ; Tel.: +81-49-276-1250
| | - Hirokazu Ishii
- Department of Ophthalmology, Saitama Medical University School of Medicine, Iruma 350-0495, Japan
| | - Hisashi Ibuki
- Department of Ophthalmology, Saitama Medical University School of Medicine, Iruma 350-0495, Japan
| | - Yuji Yoshikawa
- Department of Ophthalmology, Saitama Medical University School of Medicine, Iruma 350-0495, Japan
| | - Takanori Sasaki
- Department of Ophthalmology, Saitama Medical University School of Medicine, Iruma 350-0495, Japan
| | - Kei Shinoda
- Department of Ophthalmology, Saitama Medical University School of Medicine, Iruma 350-0495, Japan
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30
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Osonoi S, Mizukami H, Takeuchi Y, Sugawa H, Ogasawara S, Takaku S, Sasaki T, Kudoh K, Ito K, Sango K, Nagai R, Yamamoto Y, Daimon M, Yamamoto H, Yagihashi S. RAGE activation in macrophages and development of experimental diabetic polyneuropathy. JCI Insight 2022; 7:160555. [PMID: 36477360 PMCID: PMC9746912 DOI: 10.1172/jci.insight.160555] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [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: 03/28/2022] [Accepted: 10/19/2022] [Indexed: 12/12/2022] Open
Abstract
It is suggested that activation of receptor for advanced glycation end products (RAGE) induces proinflammatory response in diabetic nerve tissues. Macrophage infiltration is invoked in the pathogenesis of diabetic polyneuropathy (DPN), while the association between macrophage and RAGE activation and the downstream effects of macrophages remain to be fully clarified in DPN. This study explored the role of RAGE in the pathogenesis of DPN through the modified macrophages. Infiltrating proinflammatory macrophages impaired insulin sensitivity, atrophied the neurons in dorsal root ganglion, and slowed retrograde axonal transport (RAT) in the sciatic nerve of type 1 diabetic mice. RAGE-null mice showed an increase in the population of antiinflammatory macrophages, accompanied by intact insulin sensitivity, normalized ganglion cells, and RAT. BM transplantation from RAGE-null mice to diabetic mice protected the peripheral nerve deficits, suggesting that RAGE is a major determinant for the polarity of macrophages in DPN. In vitro coculture analyses revealed proinflammatory macrophage-elicited insulin resistance in the primary neuronal cells isolated from dorsal root ganglia. Applying time-lapse recording disclosed a direct impact of proinflammatory macrophage and insulin resistance on the RAT deficits in primary neuronal cultures. These results provide a potentially novel insight into the development of RAGE-related DPN.
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Affiliation(s)
- Sho Osonoi
- Department of Pathology and Molecular Medicine and,Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | | | - Yuki Takeuchi
- Department of Pathology and Molecular Medicine and,Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hikari Sugawa
- Laboratory of Food and Regulation Biology, Department of Bioscience, School of Agriculture, Tokai University, Higashi-ku, Kumamoto, Japan
| | | | - Shizuka Takaku
- Diabetic Neuropathy Project, Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, Setagaya-ku, Tokyo, Japan
| | | | | | - Koichi Ito
- Department of Bioscience and Laboratory Medicine, Hirosaki University Graduate School of Health Sciences, Hirosaki, Japan
| | - Kazunori Sango
- Diabetic Neuropathy Project, Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, Setagaya-ku, Tokyo, Japan
| | - Ryoji Nagai
- Laboratory of Food and Regulation Biology, Department of Bioscience, School of Agriculture, Tokai University, Higashi-ku, Kumamoto, Japan
| | - Yasuhiko Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Makoto Daimon
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
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31
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Pan X, Mizukami H, Hara Y, Yamada T, Yamazaki K, Kudoh K, Takeuchi Y, Sasaki T, Kushibiki H, Igawa A, Hakamada K. Diabetes mellitus impacts on expression of DNA mismatch repair protein PMS2 and tumor microenvironment in pancreatic ductal adenocarcinoma. J Diabetes Investig 2022; 14:132-144. [PMID: 36453157 PMCID: PMC9807152 DOI: 10.1111/jdi.13929] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 09/10/2022] [Accepted: 10/06/2022] [Indexed: 12/03/2022] Open
Abstract
AIMS/INTRODUCTION The mismatch repair (MMR) protein recognizes DNA replication errors and plays an important role in tumorigenesis, including pancreatic ductal adenocarcinoma (PDAC). Although PMS2, a MMR protein, is degraded under oxidative stress, the effects of diabetes are still unclear. Herein, we focused on whether diabetes affected MMR protein expression in PDAC. MATERIALS AND METHODS Tissues from 61 surgically resected PDAC subjects were clinicopathologically analyzed. Immunohistochemical analysis was performed for MMR protein expression, oxidative stress, and immune cell infiltration. The change of MMR protein expression was assessed in PDAC cell lines under stimulation with 25 mM glucose and 500 μM palmitic acid. Survival curves were analyzed by the Kaplan-Meier method with the log-rank test. RESULTS Diabetes complicated with dyslipidemia significantly decreased the expression of PMS2 in PDAC tissues with an inverse correlation with the degree of oxidative stress. Palmitic acid combined with high glucose induced degradation of PMS2 protein, enhancing oxidative stress in vitro. CD8+ T-cell infiltration was associated with a short duration of type 2 diabetes (≤4 years) and a low expression of PMS2 in PDAC tissues, while CD163+ tumor-associated macrophage infiltration was increased with a long duration of diabetes (>4 years). A short duration of diabetes exhibited a better prognosis than nondiabetic subjects with PDAC (P < 0.05), while a long duration of diabetes had a worse prognosis (P < 0.05). CONCLUSIONS The different phases of diabetes have a major impact on PDAC by altering PMS2 expression and the tumor immune microenvironment, which can be targeted by an immune checkpoint inhibitor.
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Affiliation(s)
- Xuekai Pan
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan,Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineAomoriJapan
| | - Hiroki Mizukami
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan
| | - Yutaro Hara
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan,Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineAomoriJapan
| | - Takahiro Yamada
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan,Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineAomoriJapan
| | - Keisuke Yamazaki
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan,Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineAomoriJapan
| | - Kazuhiro Kudoh
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan
| | - Yuki Takeuchi
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan
| | - Takanori Sasaki
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan
| | - Hanae Kushibiki
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan
| | - Akiko Igawa
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineAomoriJapan,Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineAomoriJapan
| | - Kenichi Hakamada
- Department of Gastroenterological SurgeryHirosaki University Graduate School of MedicineAomoriJapan
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Miki Y, Tanji K, Shinnai K, Tanaka MT, Altay F, Foti SC, Strand C, Sasaki T, Kon T, Shimoyama S, Furukawa T, Nishijima H, Yamazaki H, Asi YT, Bettencourt C, Jaunmuktane Z, Tada M, Mori F, Mizukami H, Tomiyama M, Lashuel HA, Lashley T, Kakita A, Ling H, Lees AJ, Holton JL, Warner TT, Wakabayashi K. Pathological substrate of memory impairment in multiple system atrophy. Neuropathol Appl Neurobiol 2022; 48:e12844. [PMID: 35906771 DOI: 10.1111/nan.12844] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [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: 01/20/2022] [Revised: 07/12/2022] [Accepted: 07/23/2022] [Indexed: 11/29/2022]
Abstract
AIMS Synaptic dysfunction in Parkinson's disease is caused by propagation of pathogenic α-synuclein between neurons. Previously, in multiple system atrophy (MSA), pathologically characterised by ectopic deposition of abnormal α-synuclein predominantly in oligodendrocytes, we demonstrated that the occurrence of memory impairment was associated with the number of α-synuclein-positive neuronal cytoplasmic inclusions (NCIs) in the hippocampus. In the present study, we aimed to investigate how abnormal α-synuclein in the hippocampus can lead to memory impairment. METHODS We performed pathological and biochemical analyses using a mouse model of adult-onset MSA and human cases (MSA, N = 25; Parkinson's disease, N = 3; Alzheimer's disease, N = 2; normal controls, N = 11). In addition, the MSA model mice were examined behaviourally and physiologically. RESULTS In the MSA model, inducible human α-synuclein was first expressed in oligodendrocytes and subsequently accumulated in the cytoplasm of excitatory hippocampal neurons (NCI-like structures) and their presynaptic nerve terminals with the development of memory impairment. α-Synuclein oligomers increased simultaneously in the hippocampus of the MSA model. Hippocampal dendritic spines also decreased in number, followed by suppression of long-term potentiation. Consistent with these findings obtained in the MSA model, post-mortem analysis of human MSA brain tissues showed that cases of MSA with memory impairment developed more NCIs in excitatory hippocampal neurons along with α-synuclein oligomers than those without. CONCLUSIONS Our results provide new insights into the role of α-synuclein oligomers as a possible pathological cause of memory impairment in MSA.
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Affiliation(s)
- Yasuo Miki
- Department of Neuropathology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.,Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK
| | - Kunikazu Tanji
- Department of Neuropathology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Kana Shinnai
- Department of Neuropathology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Makoto T Tanaka
- Department of Neuropathology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.,Faculty of Science and Engineering, Graduate School of Science and Engineering, Iwate University, Morioka, Japan
| | - Firat Altay
- Laboratory of Molecular and Chemical Biology of Neurodegeneration, Faculty of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Sandrine C Foti
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK
| | - Catherine Strand
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK
| | - Takanori Sasaki
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomoya Kon
- Department of Neurology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Shuji Shimoyama
- Department of Neurophysiology, Institute of Brain Science, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan
| | - Tomonori Furukawa
- Department of Neurophysiology, Institute of Brain Science, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan
| | - Haruo Nishijima
- Department of Neurology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiromi Yamazaki
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University, Hirosaki, Japan.,Department of Hematology-Oncology, Institute of Biomedical Research and Innovation, Foundation for Biomedical Research and Innovation at Kobe, Kobe, Japan
| | - Yasmine T Asi
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK
| | - Conceição Bettencourt
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK.,Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Zane Jaunmuktane
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK.,Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Mari Tada
- Department of Pathology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Fumiaki Mori
- Department of Neuropathology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiroki Mizukami
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Masahiko Tomiyama
- Department of Neurology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hilal A Lashuel
- Laboratory of Molecular and Chemical Biology of Neurodegeneration, Faculty of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Tammaryn Lashley
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK
| | - Akiyoshi Kakita
- Department of Pathology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Helen Ling
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK.,Reta Lila Weston Institute of Neurological Studies, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Andrew J Lees
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK.,Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Janice L Holton
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK
| | - Thomas T Warner
- Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK.,Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, UK.,Reta Lila Weston Institute of Neurological Studies, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Koichi Wakabayashi
- Department of Neuropathology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
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Sasaki T, Bracero S, Keegan J, Chen L, Cao Y, Stevens E, Qu Y, Wang G, Nguyen J, Sparks JA, Holers VM, Alves SE, Lederer JA, Costenbader KH, Rao DA. Longitudinal Immune Cell Profiling in Patients With Early Systemic Lupus Erythematosus. Arthritis Rheumatol 2022; 74:1808-1821. [PMID: 35644031 PMCID: PMC10238884 DOI: 10.1002/art.42248] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [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: 11/12/2021] [Revised: 04/29/2022] [Accepted: 05/24/2022] [Indexed: 11/10/2022]
Abstract
OBJECTIVES To investigate the immune cell profiles of patients with systemic lupus erythematosus (SLE), and to identify longitudinal changes in those profiles over time. METHODS We employed mass cytometry with 3 different panels of 38-39 markers (an immunophenotyping panel, a T cell/monocyte panel, and a B cell panel) in cryopreserved peripheral blood mononuclear cells (PBMCs) from 9 patients with early SLE, 15 patients with established SLE, and 14 controls without autoimmune disease. We used machine learning-driven clustering, flow self-organizing maps, and dimensional reduction with t-distributed stochastic neighbor embedding to identify unique cell populations in early SLE and established SLE. We used mass cytometry data of PBMCs from 19 patients with early rheumatoid arthritis (RA) and 23 controls to compare levels of specific cell populations in early RA and SLE. For the 9 patients with early SLE, longitudinal mass cytometry analysis was applied to PBMCs at enrollment, 6 months after enrollment, and 1 year after enrollment. Serum samples were also assayed for 65 cytokines using Luminex multiplex assay, and associations between cell types and cytokines/chemokines were assessed. RESULTS Levels of peripheral helper T cells, follicular helper T (Tfh) cells, and several Ki-67+ proliferating subsets (ICOS+Ki-67+ CD8 T cells, Ki-67+ regulatory T cells, CD19intermediate Ki-67high plasmablasts, and PU.1high Ki-67high monocytes) were increased in patients with early SLE, with more prominent alterations than were seen in patients with early RA. Longitudinal mass cytometry and multiplex serum cytokine assays of samples from patients with early SLE revealed that levels of Tfh cells and CXCL10 had decreased 1 year after enrollment. Levels of CXCL13 were positively correlated with levels of several of the expanded cell populations in early SLE. CONCLUSION Two major helper T cell subsets and unique Ki-67+ proliferating immune cell subsets were expanded in patients in the early phase of SLE, and the immunologic features characteristic of early SLE evolved over time.
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Affiliation(s)
- Takanori Sasaki
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Sabrina Bracero
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Joshua Keegan
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Lin Chen
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Ye Cao
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Emma Stevens
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Yujie Qu
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA
| | - Guoxing Wang
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA
| | - Jennifer Nguyen
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Jeffrey A. Sparks
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - V. Michael Holers
- Division of Rheumatology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Stephen E. Alves
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA
| | - James A. Lederer
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | | | - Deepak A. Rao
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
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Hirata K, Naruse H, Yamamoto Y, Hatanaka K, Kinoshita K, Abiko S, Suzuki K, Nakajima K, Katagiri M, Takano M, Ozasa M, Umemura M, Nakajima S, Aoyama K, Sasaki T, Kuwatani M, Sakamoto N, Tanikawa S, Okazaki N, Tanaka S. Gastrointestinal: Rare malignant biliary stricture with rapid progression. J Gastroenterol Hepatol 2022; 37:1839. [PMID: 35307882 DOI: 10.1111/jgh.15802] [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: 09/14/2021] [Revised: 12/21/2021] [Accepted: 01/12/2022] [Indexed: 12/09/2022]
Affiliation(s)
- K Hirata
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - H Naruse
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - Y Yamamoto
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Hatanaka
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Kinoshita
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - S Abiko
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Suzuki
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Nakajima
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - M Katagiri
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - M Takano
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - M Ozasa
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - M Umemura
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - S Nakajima
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - K Aoyama
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - T Sasaki
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - M Kuwatani
- Department of Gastroenterology and Hepatology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - N Sakamoto
- Department of Gastroenterology and Hepatology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - S Tanikawa
- Department of Cancer Pathology, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - N Okazaki
- Department of Cancer Pathology, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - S Tanaka
- Department of Cancer Pathology, Hokkaido University Faculty of Medicine, Sapporo, Japan
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Sasaki T, Dehari H, Ogi K, Miyazaki A. Application of a mixed reality device to oral surgery. Advances in Oral and Maxillofacial Surgery 2022. [DOI: 10.1016/j.adoms.2022.100331] [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: 11/28/2022] Open
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Takamura Y, Kato I, Fujita-Takahashi M, Azuma-Nishii M, Watanabe M, Nozaki R, Akehi M, Sasaki T, Hirano H, Kakuta H. Teratogenicity and Fetal-Transfer Assessment of the Retinoid X Receptor Agonist Bexarotene. ACS Pharmacol Transl Sci 2022; 5:811-818. [PMID: 36110376 PMCID: PMC9469495 DOI: 10.1021/acsptsci.2c00126] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 06/27/2022] [Indexed: 11/28/2022]
Abstract
Bexarotene, a retinoid X receptor (RXR) agonist, is used to treat cutaneous T-cell lymphoma, and drug repositioning research has also been reported, despite warnings of teratogenicity. However, fetal transfer of bexarotene and its effect on rat fetal bone formation have not been examined. In this study, we conducted a detailed teratogenicity and fetal transferability assessment of bexarotene in rats. Repeated administration of bexarotene during pregnancy caused marked fetal atrophy and bone dysplasia. Although fetal transfer was not detectable by dynamic imaging of [11C]bexarotene by means of positron emission tomography, transfer to the fetus was confirmed by using a gamma counter. Similar levels were found in mother and fetus. In addition, we found that bexarotene was accumulated in the placenta. These findings will be useful for the toxicity assessment of bexarotene as well as for drug discovery research targeting RXR agonists, which are expected to have therapeutic effects in various diseases.
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Affiliation(s)
- Yuta Takamura
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
| | - Izumi Kato
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
| | - Manami Fujita-Takahashi
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
| | - Midori Azuma-Nishii
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
- AIBIOS
K.K., Tri-Seven Roppongi 8F 7-7-7 Roppongi, Minato-ku, Tokyo 106-0032, Japan
| | - Masaki Watanabe
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
| | - Rui Nozaki
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
| | - Masaru Akehi
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
| | - Takanori Sasaki
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
| | - Hiroyuki Hirano
- SHI
Accelerator Service Ltd., 1-17-6 Osaki Shinagawa-Ku, Tokyo 141-0032, Japan
| | - Hiroki Kakuta
- Division
of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry
and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-Naka, Kita-Ku, Okayama 700-8530, Japan
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Tan D, Kim Y, Lim MC, Sho M, Lu CH, Nagao S, Kubo S, Kim BG, Chen LT, Kanai M, Wang PH, Rha S, Ramar R, Wong M, Sasaki T. 101P Real-world prevalence of MSI-H/dMMR across 6 different tumor types in Asia. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.133] [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: 11/01/2022] Open
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Sasaki T, Hara K, Tanemura K. P06-10 The effects of early life exposure to acephate on sexual maturation in male and female mice. Toxicol Lett 2022. [DOI: 10.1016/j.toxlet.2022.07.328] [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: 10/14/2022]
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Takeuchi Y, Mizukami H, Kudoh K, Osonoi S, Sasaki T, Kushibiki H, Ogasawara S, Hara Y, Igawa A, Pan X, Yamada T, Yamazaki K, Mikami T, Daimon M, Yagihashi S, Hakamada K, Nakaji S. The diversity and abundance of gut microbiota are associated with the pain sensation threshold in the Japanese population. Neurobiol Dis 2022; 173:105839. [PMID: 35988875 DOI: 10.1016/j.nbd.2022.105839] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [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: 06/22/2022] [Revised: 08/02/2022] [Accepted: 08/13/2022] [Indexed: 10/15/2022] Open
Abstract
Small fibre neuropathy (SFN) is an initial pathology of diabetic polyneuropathy (DPN). Serum lipopolysaccharide binding protein levels are positively correlated with the pain threshold in the foot, suggesting that the abundance of gut Gram-negative bacilli, which are a source of lipopolysaccharides, may be involved in the development of DPN. Furthermore, the abundance of the gut and oral microbiota is assumed to be involved in the pathogenesis of diabetes. Nevertheless, the association between SFN and the microbiota has not been clarified. A total of 1056 individuals were recruited in the 2018 Iwaki Health Promotion Project. Pain sensation was evaluated based on the pain threshold from intraepidermal electrical stimulation (PINT). Patients with PINT scores <0.15 mA were categorized into the low-PINT group (n = 718); otherwise, they were categorized into the high-PINT group (n = 283). Furthermore, each group was divided into the subjects with or without glucose tolerance based on HbA1c levels, fasting blood glucose levels and diabetic history. Principal coordinate analysis and α- and β-diversity of the microbiota were evaluated. The correlation between clinical and microbiota data was examined. Oral microbiota diversity showed no structural differences according to PINT scores, whereas principal coordinate analysis and α- and β-diversity revealed significant structural differences in gut microbiota (p < 0.01, p < 0.05 and p < 0.05, respectively), even after the participants with glucose intolerance were excluded (p < 0.01, p < 0.05 and p < 0.05, respectively). The relative abundance of the genus Bacteroides was significantly lower in high-PINT participants compared with low-PINT participants (10 ± 6.7% vs. 11.3 ± 7.0%, p < 0.01), even after the exclusion of subjects with diabetes and impaired fasting glucose (10.0 ± 6.5% vs. 11.2 ± 6.9%, p < 0.05). In univariate linear regression analyses, PINT was significantly correlated with metabolic syndrome parameters, eGFR, uric acid level and the abundance of Bacteroides. The correlation between Bacteroides and PINT scores remained significant after adjustment for multiple factors (β = -0.07181, p < 0.05). Changes of bacterial diversity and a low abundance of gut Bacteroides were correlated with elevated PINT scores in the Japanese population. This correlation may represent a new therapeutic option for SFN.
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Affiliation(s)
- Yuki Takeuchi
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan; Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Hiroki Mizukami
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan.
| | - Kazuhiro Kudoh
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Sho Osonoi
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan; Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Takanori Sasaki
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Hanae Kushibiki
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Saori Ogasawara
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Yutaro Hara
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan; Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Akiko Igawa
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan; Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Xuekai Pan
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan; Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Takahiro Yamada
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan; Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Keisuke Yamazaki
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan; Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Tatsuya Mikami
- Innovation Center for Health Promotion, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Makoto Daimon
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Soroku Yagihashi
- Department of Pathology and Molecular Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Kenichi Hakamada
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Shigeyuki Nakaji
- Department of Social Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
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Ihim SA, Abubakar SD, Zian Z, Sasaki T, Saffarioun M, Maleknia S, Azizi G. Interleukin-18 cytokine in immunity, inflammation, and autoimmunity: Biological role in induction, regulation, and treatment. Front Immunol 2022; 13:919973. [PMID: 36032110 PMCID: PMC9410767 DOI: 10.3389/fimmu.2022.919973] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 07/25/2022] [Indexed: 12/13/2022] Open
Abstract
Interleukin-18 (IL-18) is a potent pro-inflammatory cytokine involved in host defense against infections and regulates the innate and acquired immune response. IL-18 is produced by both hematopoietic and non-hematopoietic cells, including monocytes, macrophages, keratinocytes and mesenchymal cell. IL-18 could potentially induce inflammatory and cytotoxic immune cell activities leading to autoimmunity. Its elevated levels have been reported in the blood of patients with some immune-related diseases, including rheumatoid arthritis, systemic lupus erythematosus, type I diabetes mellitus, atopic dermatitis, psoriasis, and inflammatory bowel disease. In the present review, we aimed to summarize the biological properties of IL-18 and its pathological role in different autoimmune diseases. We also reported some monoclonal antibodies and drugs targeting IL-18. Most of these monoclonal antibodies and drugs have only produced partial effectiveness or complete ineffectiveness in vitro, in vivo and human studies. The ineffectiveness of these drugs targeting IL-18 may be largely due to the loophole caused by the involvement of other cytokines and proteins in the signaling pathway of many inflammatory diseases besides the involvement of IL-18. Combination drug therapies, that focus on IL-18 inhibition, in addition to other cytokines, are highly recommended to be considered as an important area of research that needs to be explored.
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Affiliation(s)
- Stella Amarachi Ihim
- Department of Molecular and Cellular Pharmacology, University of Shizuoka, Shizuoka, Japan
- Department of Pharmacology and Toxicology, University of Nigeria, Nsukka, Nigeria
- Department of Science Laboratory Technology, University of Nigeria, Nsukka, Nigeria
| | - Sharafudeen Dahiru Abubakar
- Division of Molecular Pathology, Research Institute for Biomedical Sciences, Tokyo University of Science, Tokyo, Japan
- Department of Medical Laboratory Science, College of Medical Science, Ahmadu Bello University, Zaria, Nigeria
| | - Zeineb Zian
- Biomedical Genomics and Oncogenetics Research Laboratory, Faculty of Sciences and Techniques of Tangier, Abdelmalek Essaadi University, Tetouan, Morocco
| | - Takanori Sasaki
- Division of Rheumatology, Immunology and Allergy, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Mohammad Saffarioun
- Biopharmaceutical Research Center, AryoGen Pharmed Inc., Alborz University of Medical Sciences, Karaj, Iran
| | - Shayan Maleknia
- Biopharmaceutical Research Center, AryoGen Pharmed Inc., Alborz University of Medical Sciences, Karaj, Iran
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
- *Correspondence: Gholamreza Azizi,
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Hasegawa H, Tsukada Y, Wakabayashi M, Nomura S, Sasaki T, Nishizawa Y, Ikeda K, Takeshita N, Teramura K, Ito M. Impact of near-infrared fluorescence imaging with indocyanine green on structural sequelae of anastomotic leakage after laparoscopic intersphincteric resection of malignant rectal tumors. Tech Coloproctol 2022; 26:561-570. [DOI: 10.1007/s10151-022-02631-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 05/02/2022] [Indexed: 12/16/2022]
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Koike K, Ohashi N, Nishiyama K, Okamoto J, Sasaki T, Ogi K, Dehari H, Hirokawa N, Someya M, Saito M, Okuda H, Otani A, Sonoda T, Sugawara T, Hasegawa T, Hiratsuka H, Sakata KI, Miyazaki A. Clinical and histopathological effects of neoadjuvant intra-arterial chemoradiotherapy with cisplatin in combination with oral S-1 on stage III and IV oral cancer. Oral Surg Oral Med Oral Pathol Oral Radiol 2022; 134:347-353. [DOI: 10.1016/j.oooo.2022.04.042] [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] [Received: 11/04/2021] [Revised: 03/02/2022] [Accepted: 04/17/2022] [Indexed: 11/24/2022]
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Funabashi N, Okamoto M, Nakamura K, Sasaki T, Naito S, Kobayashi Y. Arrhythmogenic right ventricular cardiomyopathy patients with a markedly enlarged RV compressing LV to left side have an atypical distribution of epsilon waves and elevated plasma BNP. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehab849.110] [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
Funding Acknowledgements
Type of funding sources: None.
Background
Epsilon waves on V1-3 leads are specific ECG findings in patients with arrhythmogenic right ventricular (RV) cardiomyopathy (ARVC) suggesting RV conduction delay. Four dimensional (4D) cardiac CT visualizes ARVC characteristics, such as fibro-fatty invasion into RV and left ventricular (LV) myocardium (RVM, LVM), an enlarged RV, reduced RV motion, and bulging.
Purpose
We hypothesize that Epsilon waves in V4-6 leads suggest LV invasion in ARVC. Alternatively, extreme RV enlargement may compress the LV and cause clockwise rotation; an enlarged RV may itself cause epsilon waves in V4-6 leads.
Methods
Retrospective analysis of 17 patients (11 males, 57 ± 17 yrs) with suspected ARVC undergoing cardiac CT and ECG, 9 of whom met 2010 ARVC task force criteria.
Results
All 9 patients had epsilon waves on ECG; 5 had fibro-fatty invasion into the LVM. We divided the 9 into 5 groups by CT: 1) markedly enlarged RV compressing the LV to the left side with fibro-fatty changes exclusively in RVM (N = 1); 2) similar findings in both RVM and LVM (N = 2); 3) moderately enlarged RV without compression of the LV to the left side and fibro-fatty changes exclusively in RVM (N = 3); 4) the same in both RVM and LVM (N = 2); 5) severe mitral valve regurgitation, a markedly enlarged LV, and a fibro-fatty change in both RVM and LVM (N = 1). The patient in group (gp) 1 showed epsilon waves in V1-6 leads, patients in gp 2 had epsilon waves in V1-6 (N = 1), and V3-5 (N = 1) leads; patients in gp 3 had epsilon waves in V1-4 (N = 2), and V1-3 (N = 1) leads, patients in gp 4 had epsilon waves in V1-3 (N = 1), and V1, 2 (N = 1) leads; finally, the patient in gp 5 had epsilon waves in V4-6 leads. Plasma brain natriuretic peptide (BNP) levels were significantly greater in patients in gp 1 & 2 than gp 3 & 4 (1255 ± 838 vs 80 ± 52 pg/ml, P = 0.016).
Conclusions
ARVC patients with a markedly enlarged RV compressing the LV to the left side (gp 1,2) had a broad (V1-6) or different range (V3-5) distribution of epsilon waves and significantly elevated plasma BNP independent of fibro-fatty invasion of the LV, different from typical ARVC (gp 3,4). Additionally, structural change due to complicated heart disease, such as valvular disease (gp5), may also influence the distribution of epsilon waves in ARVC. Abstract Figure. CT and ECG in ARVC group 1
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Affiliation(s)
- N Funabashi
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
| | - M Okamoto
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
| | - K Nakamura
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - T Sasaki
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - S Naito
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - Y Kobayashi
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
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Funabashi N, Nakamura K, Sasaki T, Naito S, Kobayashi Y. ECG education for first-grade medical students detecting Epsilon and J waves in patients with arrhythmogenic right ventricular cardiomyopathy in comparison with specialists for arrhythmia treatment. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehab849.021] [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: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Medical students find Epsilon and J wave diagnoses by electrocardiogram (ECG) in patients with arrhythmogenic right ventricular cardiomyopathy (ARVC) difficult.
Purpose
To evaluate the inter observer reliability for detecting Epsilon and J wave in patients with ARVC between medical students and specialists for arrhythmia treatment and seek the problem for the ECG education to the students.
Methods
Nine patients (six males, mean age 59 ± 17 years) meeting 2010 ARVC task-force criteria (Circulation. 2010; 121:1533-1541) underwent a retrospective ECG analysis. First-grade medical students undertook ECG studies for 9 months (4 h/week) by a cardiologist who was not a specialist in arrhythmia treatments according to the Japanese Heart Rhythm Society (JHRS). Medical students detected Epsilon and J waves in all nine ECGs. Two JHRS specialists in arrhythmia treatment independently detected Epsilon and J waves; when diagnoses differed, a final diagnosis was made together.
Results
Epsilon waves were detected in five and eight patients by medical students and specialists, respectively. The distribution of Epsilon waves was determined in inferior and right-side precordial leads by students, but in right-side precordial leads only by specialists (Table). J waves were detected in nine and three patients by medical students and specialists, respectively. The J wave distribution was wider for medical students than specialists.
Conclusions
With ECG findings by specialists as the gold standard, even with a substantial education, medical students tended to diagnose Epsilon waves or notches in QRS as J waves. Lecturers need to equip students with additional basic clinical knowledge, such as Epsilon waves are more frequent in right-side precordial leads in ARVC patients. Abstract Figure. CT and ECG in ARVC
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Affiliation(s)
- N Funabashi
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
| | - K Nakamura
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - T Sasaki
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - S Naito
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - Y Kobayashi
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
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Abubakar SD, Ihim SA, Farshchi A, Maleknia S, Abdullahi H, Sasaki T, Azizi G. The role of TNF-α and anti-TNF-α agents in the immunopathogenesis and management of immune dysregulation in primary immunodeficiency diseases. Immunopharmacol Immunotoxicol 2022; 44:147-156. [DOI: 10.1080/08923973.2021.2023173] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Sharafudeen Dahiru Abubakar
- Division of Molecular Pathology, Research Institute for Biomedical Sciences, Tokyo University of Science, Tokyo, Japan
- Department of Medical Laboratory Science, College of Medical Science, Ahmadu Bello University, Zaria, Nigeria
| | - Stella Amarachi Ihim
- Department of Molecular and Cellular Pharmacology, University of Shizuoka, Shizuoka, Japan
- Department of Pharmacology and Toxicology, University of Nigeria, Nsukka, Nigeria
| | - Amir Farshchi
- Biopharmaceutical Research Center, AryoGen Pharmed Inc, Alborz University of Medical Sciences, Karaj, Iran
| | - Shayan Maleknia
- Biopharmaceutical Research Center, AryoGen Pharmed Inc, Alborz University of Medical Sciences, Karaj, Iran
| | - Hamisu Abdullahi
- Department of Immunology, School of Medical Laboratory Sciences, Usmanu Danfodiyo University Sokoto, Sokoto, Nigeria
| | - Takanori Sasaki
- Division of Rheumatology, Immunology and Allergy, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Gholamreza Azizi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
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Takahashi K, Mizukami H, Osonoi S, Takeuchi Y, Kudoh K, Sasaki T, Daimon M, Yagihashi S. Islet microangiopathy and augmented β-cell loss in Japanese non-obese type 2 diabetes patients who died of acute myocardial infarction. J Diabetes Investig 2021; 12:2149-2161. [PMID: 34032392 PMCID: PMC8668063 DOI: 10.1111/jdi.13601] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 11/30/2022] Open
Abstract
AIMS/INTRODUCTION Islets have microvessels that might develop pathological alterations similar to microangiopathy in type 2 diabetes patients. It remains unclear, however, whether the changes correlate with endocrine cell deficits or whether the presence of macroangiopathy influences the islet microvasculature in Japanese type 2 diabetes patients. In this study, we characterized changes of the islet microvessels and endocrine cells in Japanese non-obese patients with type 2 diabetes who died of acute myocardial infarction (AMI). MATERIALS AND METHODS Clinical profiles and islet pathology were examined for 35 diabetes patients who died of AMI (DM + AMI) and 13 diabetes patients who were free from AMI (DM). A total of 13 age-matched, individuals without diabetes who died of AMI and 16 individuals without diabetes who were free from AMI were also studied. Pancreata were subjected to morphometric evaluation of islets, including microvascular alterations of immunostained sections. RESULTS Body mass index in DM + AMI was comparable to those in DM. Compared with DM, DM + AMI showed greater glycated hemoglobin levels, higher prevalence of renal failure, hypertension, smaller β-cell volume density and greater amyloid area. DM + AMI showed an increased microvascular area and density compared with other groups. There was a significant increase in vascular basement membrane thickness and loss of pericytes in DM and DM + AMI compared with individuals without diabetes in each group, and the extent of thickening was correlated with the amyloid area and occurrence of β-cell loss in DM + AMI. CONCLUSIONS Islet microangiopathy was associated with augmented β-cell loss and amyloid deposition in non-obese Japanese type 2 diabetes patients who died of AMI.
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Affiliation(s)
- Kazuhisa Takahashi
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
- Department of Endocrinology and MetabolismHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
| | - Hiroki Mizukami
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
| | - Sho Osonoi
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
- Department of Endocrinology and MetabolismHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
| | - Yuki Takeuchi
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
- Department of Endocrinology and MetabolismHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
| | - Kazuhiro Kudoh
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
| | - Takanori Sasaki
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
| | - Makoto Daimon
- Department of Endocrinology and MetabolismHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
| | - Soroku Yagihashi
- Department of Pathology and Molecular MedicineHirosaki University Graduate School of MedicineHirosaki, AomoriJapan
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Shoji T, Ishii H, Kanno J, Sasaki T, Yoshikawa Y, Ibuki H, Shinoda K. Distance between the center of the FAZ measured automatically and the highest foveal bulge using OCT-angiography in elderly healthy eyes. Sci Rep 2021; 11:21485. [PMID: 34728680 PMCID: PMC8563986 DOI: 10.1038/s41598-021-00826-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 06/22/2021] [Accepted: 10/19/2021] [Indexed: 11/09/2022] Open
Abstract
The center of the fovea, termed the foveola, is the area of highest visual acuity, has the highest density of cone photoreceptors. We investigated the distance between the automatically-determined center of the foveal avascular zone (FAZ) and the manually-determined highest foveal bulge (FB) point using single swept-source optical coherence tomography angiography (OCTA) instrument. This cross-sectional study included 49 eyes of 49 individuals (34 women and 15 men; median age: 68 years) with no history of ocular disorders. The FAZ in the superficial capillary plexus was automatically determined using the Kanno-Saitama macro method, and the center of the FAZ was automatically determined using ellipse approximation. Another candidate foveal center, the highest FB point, was determined manually on the serial cross-sectional B-scan images. As a result, the foveal center was manually identified as the highest FB point on B-scan OCTA images. The center of the FAZ was more likely to be located inferior to the highest FB point (p = 0.031). In participants with a total (linear) distance of more than 50 μm between the center of the FAZ and the highest FB point, the displacement was significantly more in the horizontal direction than in the vertical direction (p = 0.017). These results can be applicable to further studies regarding the spatial relationships between the center of the FAZ and the highest FB point in various macular diseases or previously-treated eyes.
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Affiliation(s)
- Takuhei Shoji
- Department of Ophthalmology, Saitama Medical University, 38 Morohongo Moroyama-machi, Iruma, Saitama, 350-0495, Japan.
| | - Hirokazu Ishii
- Department of Ophthalmology, Saitama Medical University, 38 Morohongo Moroyama-machi, Iruma, Saitama, 350-0495, Japan
| | - Junji Kanno
- Department of Ophthalmology, Saitama Medical University, 38 Morohongo Moroyama-machi, Iruma, Saitama, 350-0495, Japan
| | - Takanori Sasaki
- Department of Ophthalmology, Saitama Medical University, 38 Morohongo Moroyama-machi, Iruma, Saitama, 350-0495, Japan
| | - Yuji Yoshikawa
- Department of Ophthalmology, Saitama Medical University, 38 Morohongo Moroyama-machi, Iruma, Saitama, 350-0495, Japan
| | - Hisashi Ibuki
- Department of Ophthalmology, Saitama Medical University, 38 Morohongo Moroyama-machi, Iruma, Saitama, 350-0495, Japan
| | - Kei Shinoda
- Department of Ophthalmology, Saitama Medical University, 38 Morohongo Moroyama-machi, Iruma, Saitama, 350-0495, Japan
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Ueo H, Ueo H, Minoura I, Gamachi A, Doi T, Yamaguchi M, Yamashita T, Tsuda H, Moriya T, Yamaguchi R, Kozuka Y, Sasaki T, Masuda T, Kai Y, Kubota Y, Urano Y, Mori M, Mimori K. Clinical usefulness of a novel fluorescence technique for the intraoperative diagnosis of surgical margins in patients with breast cancer. Br J Surg 2021; 108:e340-e342. [PMID: 34428279 DOI: 10.1093/bjs/znab265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/02/2021] [Accepted: 06/22/2021] [Indexed: 11/12/2022]
Abstract
In both 5- and 15-min data, FI was significantly higher in malignant tissues than in benign tissues. The diagnostic accuracy was similar at 5 and 15 min. Therefore, the 5-min FI was enough applying in the further analyses.
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Affiliation(s)
- H Ueo
- Department of Surgery and Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Ueo Breast Cancer Hospital, Oita, Japan
| | - H Ueo
- Ueo Breast Cancer Hospital, Oita, Japan
| | - I Minoura
- Goryo Chemical, Inc., Sapporo, Japan
| | - A Gamachi
- Department of Pathology, Almeida Memorial Hospital, Oita, Japan
| | - T Doi
- Breast Cancer Centre, Shonan Memorial Hospital, Kamakura, Japan
| | - M Yamaguchi
- Department of Breast Surgery, JCHO Kurume General Hospital, Kurume, Japan
| | - T Yamashita
- Department of Breast and Endocrine Surgery, Kanagawa Cancer Centre, Yokohama, Japan
| | - H Tsuda
- Department of Basic Pathology, National Defence Medical College, Tokorozawa, Japan
| | - T Moriya
- Department of Pathology, Kawasaki Medical School, Kurashiki, Japan
| | - R Yamaguchi
- Department of Pathology and Laboratory Medicine, Kurume University Medical Centre, Kurume, Japan
| | - Y Kozuka
- Department of Pathology, Mie University Hospital, Tsu, Japan
| | - T Sasaki
- Department of Next-Generation Pathology Information and Networking, Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - T Masuda
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Japan
| | - Y Kai
- Ueo Breast Cancer Hospital, Oita, Japan
| | - Y Kubota
- Ueo Breast Cancer Hospital, Oita, Japan
| | - Y Urano
- Graduate School of Medicine and Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - M Mori
- Department of Surgery and Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - K Mimori
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Japan
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Funabashi N, Nakamura K, Sasaki T, Naito S, Kobayashi Y. Frequency and distribution of J waves in survivors of ventricular fibrillation relationship with presence of myocardial fibrotic and or fat change and coronary arterial stenosis on cardiac CT. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0630] [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
The presence and distribution of J waves, the occurrence of ventricular fibrillation (VF), and the presence of left ventricular (LV) myocardial fibrotic or fat change or coronary stenosis may be related.
Purpose
To determine the relationship of frequency and distribution of J waves with presence of myocardial fibrotic or fat change and coronary arterial stenosis on cardiac computed tomography (CT) in survivors of VF.
Methods
We conducted a retrospective analysis of 21 survivors of VF (17 males; mean age, 61±14 years) that were implanted with a cardioverter defibrillator and underwent cardiac CT.
Results
On ECG, four subjects had atrial fibrillation. The mean corrected QT interval was 442±39 msec. On CT, two subjects had significant coronary artery stenosis and 12 had LV myocardial fibrotic and/or fat change. The distribution of J waves were as follows: five subjects had J waves in II, III and aVF leads (three had myocardial fibrotic and/or fat change); and 2 had J waves in III lead (one had myocardial fibrotic and/or fat change). One subject each had J waves in V1 lead; V1, 2 leads; II, III, aVF and V1 leads; II, III, aVF and V1–3 leads; II, III, aVF, aVL and V1–6 leads; II, III, aVF and V1–6 leads; II, III, aVF and V4,5 leads; II, III, aVF and V2–5 leads; and III and aVF leads, respectively. The first two subjects did not have LV myocardial fibrotic and/or fat change and the remaining six subjects had myocardial fibrotic and/or fat change (Figure).
Conclusions
Survivors of VF with organized LV myocardial fibrotic and/or fat change showed more frequent J waves with a wider distribution (reached LV inferior wall leads) than survivors without these changes. Monitoring these characteristics on CT may be useful to predict VF.
Funding Acknowledgement
Type of funding sources: None. CT images of fat in a VF survivorJ waves and fibrotic and/or fat change
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Affiliation(s)
- N Funabashi
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
| | - K Nakamura
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - T Sasaki
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - S Naito
- Gunma Prefectural Cardiovascular Center, Department of Cardiology, Maebashi, Japan
| | - Y Kobayashi
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
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Taniguchi Y, Okamoto H, Shimokawa T, Sasaki T, Sato T, Niho S, Ohe Y, Saigusa Y, Yamanaka T. P25.02 Concurrent Chemoradiotherapy With Cisplatin + S-1 for Locally Advanced Non-Small Cell Lung Cancer: IPD Meta-Analysis. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.381] [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: 11/15/2022]
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