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Ishiguro H, Ushiki T, Honda A, Yoshimatsu Y, Ohashi R, Okuda S, Kawasaki A, Cho K, Tamura S, Suwabe T, Katagiri T, Ling Y, Iijima A, Mikami T, Kitagawa H, Uemura A, Sango K, Masuko M, Igarashi M, Sone H. Reduced chondroitin sulfate content prevents diabetic neuropathy through transforming growth factor-β signaling suppression. iScience 2024; 27:109528. [PMID: 38595797 PMCID: PMC11002665 DOI: 10.1016/j.isci.2024.109528] [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: 07/31/2023] [Revised: 11/08/2023] [Accepted: 03/15/2024] [Indexed: 04/11/2024] Open
Abstract
Diabetic neuropathy (DN) is a major complication of diabetes mellitus. Chondroitin sulfate (CS) is one of the most important extracellular matrix components and is known to interact with various diffusible factors; however, its role in DN pathology has not been examined. Therefore, we generated CSGalNAc-T1 knockout (T1KO) mice, in which CS levels were reduced. We demonstrated that diabetic T1KO mice were much more resistant to DN than diabetic wild-type (WT) mice. We also found that interactions between pericytes and vascular endothelial cells were more stable in T1KO mice. Among the RNA-seq results, we focused on the transforming growth factor β signaling pathway and found that the phosphorylation of Smad2/3 was less upregulated in T1KO mice than in WT mice under hyperglycemic conditions. Taken together, a reduction in CS level attenuates DN progression, indicating that CS is an important factor in DN pathogenesis.
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Affiliation(s)
- Hajime Ishiguro
- Departments of Hematology, Endocrinology, and Metabolism, Graduate School of Medical and Dental Sciences, Niigata university, Niigata, Japan
| | - Takashi Ushiki
- Departments of Hematology, Endocrinology, and Metabolism, Graduate School of Medical and Dental Sciences, Niigata university, Niigata, Japan
- Division of Hematology and Oncology, Graduate School of Health Sciences, Niigata University, Niigata, Japan
- Departments of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Medical and Dental Hospital, Niigata University, Niigata, Japan
| | - Atsuko Honda
- Department of Neurochemistry and Molecular Cell Biology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
- Center for Research Promotion, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Yasuhiro Yoshimatsu
- Division of Pharmacology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Riuko Ohashi
- Divisions of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Shujiro Okuda
- Division of Bioinformatics, Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Asami Kawasaki
- Department of Neurochemistry and Molecular Cell Biology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Kaori Cho
- Departments of Hematology, Endocrinology, and Metabolism, Graduate School of Medical and Dental Sciences, Niigata university, Niigata, Japan
| | - Suguru Tamura
- Departments of Hematology, Endocrinology, and Metabolism, Graduate School of Medical and Dental Sciences, Niigata university, Niigata, Japan
| | - Tatsuya Suwabe
- Departments of Hematology, Endocrinology, and Metabolism, Graduate School of Medical and Dental Sciences, Niigata university, Niigata, Japan
| | - Takayuki Katagiri
- Departments of Hematology, Endocrinology, and Metabolism, Graduate School of Medical and Dental Sciences, Niigata university, Niigata, Japan
| | - Yiwei Ling
- Division of Bioinformatics, Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Atsuhiko Iijima
- Neurophysiology & Biomedical Engineering Lab, Interdisciplinary Program of Biomedical Engineering, Assistive Technology and Art and Sports Sciences, Faculty of Engineering, Niigata University Niigata, Niigata, Japan
| | - Tadahisa Mikami
- Laboratory of Biochemistry, Kobe Pharmaceutical University, Kobe, Japan
| | - Hiroshi Kitagawa
- Laboratory of Biochemistry, Kobe Pharmaceutical University, Kobe, Japan
| | - Akiyoshi Uemura
- Department of Retinal Vascular Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Kazunori Sango
- Diabetic Neuropathy Project, Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Masayoshi Masuko
- Departments of Hematology, Endocrinology, and Metabolism, Graduate School of Medical and Dental Sciences, Niigata university, Niigata, Japan
- Hematopoietic Cell Transplantation Niigata University Medical and Dental Hospital, , Niigata University, Niigata, Japan
| | - Michihiro Igarashi
- Department of Neurochemistry and Molecular Cell Biology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Hirohito Sone
- Departments of Hematology, Endocrinology, and Metabolism, Graduate School of Medical and Dental Sciences, Niigata university, Niigata, Japan
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Suwabe T, Shibasaki Y, Tamura S, Katagiri T, Fuse K, Ida-Kurasaki T, Ushiki T, Sone H, Narita M, Masuko M. Decade-long WT1-specific CTLs induced by WT1 peptide vaccination. Int J Hematol 2024; 119:399-406. [PMID: 38427208 DOI: 10.1007/s12185-024-03723-1] [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: 07/11/2023] [Revised: 01/17/2024] [Accepted: 01/25/2024] [Indexed: 03/02/2024]
Abstract
INTRODUCTION The peptide-based cancer vaccine targeting Wilms' tumor 1 (WT1) is a promising immunotherapeutic strategy for hematological malignancies. It remains unclear how long and to what extent the WT1-specific CD8 + cytotoxic T cell (CTL) persist after WT1 peptide vaccination. METHODS The WT1 peptide vaccine was administered with written consent to a patient with CML in the chronic phase who did not respond well to imatinib, and the patient was followed for 12 years after vaccination. Immune monitoring was performed by specific amplification of WT1-specific CTLs using a mixed lymphocyte peptide culture. T-cell receptors (TCRs) of amplified WT1-specific CTLs were analyzed using next-generation sequencing. This study was approved by the Institutional Review Board of our institution. RESULT WT1-specific CTLs, which were initially detected during WT1 peptide vaccination, persisted at a frequency of less than 5 cells per 1,000,000 CD8 + T cells for more than 10 years. TCR repertoire analysis confirmed the diversity of WT1-specific CTLs 11 years after vaccination. CTLs exhibited WT1 peptide-specific cytotoxicity in vitro. CONCLUSION The WT1 peptide vaccine induced an immune response that persists for more than 10 years, even after cessation of vaccination in the CML patient.
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Affiliation(s)
- Tatsuya Suwabe
- Department of Hematopoietic Stem Cell Transplantation, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Yasuhiko Shibasaki
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-754 Asahimachi-Dori, Chuo-Ku, Niigata City, Niigata, 951-8510, Japan
| | - Suguru Tamura
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-754 Asahimachi-Dori, Chuo-Ku, Niigata City, Niigata, 951-8510, Japan
| | - Takayuki Katagiri
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-754 Asahimachi-Dori, Chuo-Ku, Niigata City, Niigata, 951-8510, Japan
| | - Kyoko Fuse
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-754 Asahimachi-Dori, Chuo-Ku, Niigata City, Niigata, 951-8510, Japan
| | - Tori Ida-Kurasaki
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-754 Asahimachi-Dori, Chuo-Ku, Niigata City, Niigata, 951-8510, Japan
| | - Takashi Ushiki
- Laboratory of Hematology and Oncology, Graduate School of Health Sciences, Niigata University, Niigata, Japan
| | - Hirohito Sone
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-754 Asahimachi-Dori, Chuo-Ku, Niigata City, Niigata, 951-8510, Japan
| | - Miwako Narita
- Laboratory of Hematology and Oncology, Graduate School of Health Sciences, Niigata University, Niigata, Japan
| | - Masayoshi Masuko
- Department of Hematopoietic Stem Cell Transplantation, Niigata University Medical and Dental Hospital, Niigata, Japan.
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Cao J, Futami K, Maita M, Nakanishi T, Katagiri T. Adjuvant effect of allogeneic blood in vaccines against edwardsiellosis in ginbuna crucian carp Carassius auratus langsdorfii. Fish Shellfish Immunol 2023; 143:109133. [PMID: 37923185 DOI: 10.1016/j.fsi.2023.109133] [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] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 09/19/2023] [Accepted: 10/01/2023] [Indexed: 11/07/2023]
Abstract
Edwardsiella tarda (E. tarda), an intracellular pathogen, has caused severe economic losses in aquaculture. Effective vaccine development for E. tarda prevention is urgently needed. A previous study indicates that cell-mediated immunity (CMI) might play an important role in E. tarda infection. We believe that the involvement of allograft rejection and CMI has now been well documented in mammals and some fishes. However, there is still little research on the application of blood allograft rejection in vaccine development. In the current study, we investigate the immune response and vaccine effect in fish vaccinated with allogeneic blood + formalin-killed cells vaccine (FKC), allogeneic blood + phosphate-buffered saline (PBS), PBS + FKC and PBS + PBS. In the challenge test, the relative percentage survival (RPS) of the allogeneic + FKC, the allogeneic blood + PBS and the PBS + FKC group was 61.46, 35.41, and 30.63 % respectively. The up-regulated expression of Th1-related genes IFN-γ 1, IFN-γ 1rel2, IL-12p35 and T-bet suggests the protection is via CMI induction. Only in the allogeneic + FKC group, gene expression of IFN-γ 1, IL-12p35 and T-bet is significantly higher, indicating synergy between the two substances. Furthermore, among the fish injected with the allogeneic blood cells, syngeneic blood cells and PBS group, only in the fish of the allogenic blood cells injection group, did expression of IFN-γ 1, IFN-γ 2 and IFN-γ rel2 gene expression significantly increased. The results indicate that the rejection was induced by allogeneic components. Thus, our findings might provide essential information and insights into vaccine development in aquaculture.
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Affiliation(s)
- Jingjing Cao
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato, Tokyo, 108-8477, Japan
| | - Kunihiko Futami
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato, Tokyo, 108-8477, Japan
| | - Masashi Maita
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato, Tokyo, 108-8477, Japan
| | - Teruyuki Nakanishi
- Goto Aquaculture Institute Co., Ltd, Sayama City, Saitama, 350-1332, Japan
| | - Takayuki Katagiri
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato, Tokyo, 108-8477, Japan.
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Kokubo M, Kishi N, Matsuo Y, Ogura M, Araki N, Fujii K, Okumura S, Nakamatsu K, Kishi T, Atsuta T, Sakamoto T, Otsu S, Katagiri T, Narabayashi M, Fujishiro S, Iizuka Y, Ozasa H, Hirai T, Mizowaki T. Major Cardiovascular Events after Chemoradiotherapy with or without Durvalumab in Patients with Stage III Non-Small Cell Lung Cancer: Supplementary Analysis. Int J Radiat Oncol Biol Phys 2023; 117:e30-e31. [PMID: 37785096 DOI: 10.1016/j.ijrobp.2023.06.715] [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] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) RTOG 0617 showed that cardiac events are relatively common after high-dose thoracic radiotherapy. The aim of this study was to investigate the incidence and risk of major cardiovascular events (MACE) after concurrent chemoradiotherapy (CCRT) with or without durvalumab in patients with stage III non-small cell lung cancer (NSCLC) using the data from a multi-institutional study in Japan. MATERIALS/METHODS Patients who received CCRT for stage III NSCLC between July 2018 and July 2019 were enrolled in a multi-institutional study in Japan. MACE was defined as follows: symptomatic pericardial effusion, acute coronary syndrome, pericarditis, significant arrhythmia, and heart failure. The cumulative incidence of MACE, accounting for death as a competing risk, was calculated. Pre-existing coronary heart disease (CHD) included coronary artery disease, congestive heart failure, peripheral vascular disease, stroke, and extensive coronary artery calcification. The association between patient/treatment-related factors and MACE was assessed by multivariate analysis. RESULTS Among 178 patients with a median follow-up period of 42.5 months, 13 patients developed MACEs. The 3-year cumulative incidence of MACE was 6.9% (95% confidence interval [CI], 4.0-11.9%). Univariate analysis showed that female sex and mean heart dose (MHD) were marginally associated (3-year cumulative incidence, male 5.6% vs. female 12.1%; P = 0.12; MHD ≥ 6.3 Gy 4.8% vs. < 6.3 Gy 9.1%; P = 0.13), and pre-existing CHD was significantly associated with an increased risk of MACE (no CHD 4.3% vs. CHD 16.8%; P = 0.026). Consolidation durvalumab was not associated with an increased risk of MACE (no durvalumab 5.2% vs. durvalumab 7.4%; P = 0.89). Multivariate analysis showed that pre-existing CHD was significantly associated with MACE (hazard ratio, 4.22; 95% CI, 1.30-13.7; P = 0.016). CONCLUSION The incidence of MACE based on the real-world data in Japan was lower than previously reported. Pre-existing CHD was associated with an increased risk of MACE after CCRT in patients with stage III NSCLC, whereas the administration of consolidation durvalumab was not associated with an increased risk of MACE.
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Affiliation(s)
- M Kokubo
- Department of Radiation Oncology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - N Kishi
- Department of Radiation Oncology and Image-Applied Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Y Matsuo
- Department of Radiation Oncology and Image-applied therapy, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - M Ogura
- Department of Radiation Oncology, Kishiwada City Hospital, Kishiwada, Japan
| | - N Araki
- Department of Radiology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - K Fujii
- Department of Radiation Oncology, Kurashiki Central Hospital, Kurashiki, Japan
| | - S Okumura
- Department of Radiation Oncology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - K Nakamatsu
- Department of Radiation Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Japan
| | - T Kishi
- Department of Radiation Oncology, Osaka Red Cross Hospital, Osaka, Japan
| | - T Atsuta
- Department of Radiology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - T Sakamoto
- Department of Radiation Oncology, Kyoto Katsura Hospital, Kyoto, Japan
| | - S Otsu
- Department of Radiation Oncology, Kyoto City Hospital, Kyoto, Japan
| | - T Katagiri
- Department of Radiation Oncology, Tenri Hospital, Tenri, Japan
| | - M Narabayashi
- Department of Radiology, Japanese Red Cross Fukui Hospital, Fukui, Japan
| | - S Fujishiro
- Department of Radiation Oncology, Shinko Hospital, Kobe, Japan
| | - Y Iizuka
- Department of Radiation Oncology, Shizuoka City Shizuoka Hospital, Shizuoka, Japan
| | - H Ozasa
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - T Hirai
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - T Mizowaki
- Department of Radiation Oncology and Image-applied therapy, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Kishi N, Matsuo Y, Ogura M, Kokubo M, Araki N, Fujii K, Okumura S, Nakamatsu K, Kishi T, Atsuta T, Sakamoto T, Otsu S, Katagiri T, Narabayashi M, Fujishiro S, Iizuka Y, Ozasa H, Hirai T, Mizowaki T. Real-World Study of Overall Survival in Patients with Stage III Non-Small Cell Lung Cancer Treated with Chemoradiotherapy with or without Durvalumab and an Exploratory Analysis of Effective Radiation Dose to the Immune Cells. Int J Radiat Oncol Biol Phys 2023; 117:e29-e30. [PMID: 37785070 DOI: 10.1016/j.ijrobp.2023.06.713] [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] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) To investigate the real-world data on overall survival (OS) in patients with stage III non-small cell lung cancer (NSCLC) treated with concurrent chemoradiotherapy (CCRT) with or without consolidation durvalumab, and to perform an exploratory analysis on effective radiation dose to the immune cells (EDIC). MATERIALS/METHODS In our multi-institutional retrospective study, patients who received CCRT between July 2018 and July 2019 for stage III NSCLC in Japan were investigated. EDIC was estimated using mean lung dose, mean heart dose, body volume, body mean dose, and body weight, as reported in the secondary analysis of RTOG 0617. The cut-off value of EDIC was calculated using the maximally selected log-rank statistics. RESULTS One hundred and seventy-eight patients were eligible for the analysis (136 patients, CCRT with consolidation durvalumab [CCRT+D] cohort; 42 patients, CCRT cohort). The median follow-up period was 42.5 months. Three-year OS rates were 59.8% in the overall cohort: 60.5% in the CCRT+D cohort, and 58.0% in the CCRT cohort with no significant difference (hazard ratio [HR], 0.76; 95% confidence interval [CI], 0.45-1.27; P = 0.29). Univariate analysis showed that ECOG-PS, smoking history, histology, EGFR mutational status, gross tumor volume and EDIC were significantly associated with OS. Multivariate analysis showed that ECOG-PS 2, gross tumor volume ≥ 57 cm3 and EDIC ≥ 4.4 Gy were associated with poor OS. Among 21 EGFR-mutated patients, 3 year-OS rates were 64.7% in the CCRT+D cohort and 100% in the CCRT cohort, while 3 year-OS rates were 68.8% and 58.7% among 90 EGFR wild-type patients. Three-year OS rates were 64.6% and 47.6% for EDIC < 4.4 Gy and EDIC ≥ 4.4 Gy in the overall cohort (HR, 1.82; 95% CI, 1.14-2.90; P = 0.015). In the subgroup analysis, 66.3% vs. 44.4% in the CCRT+D cohort (HR, 2.01; 95% CI, 1.17-3.47; P = 0.016), and 59.0% vs. 56.1% in the CCRT cohort (HR, 1.20; 95% CI, 0.48-3.01; P = 0.70), respectively. CONCLUSION Our real-world data in Japan showed that there was no significant difference in OS between the CCRT+D cohort and the CCRT cohort. High EDIC could be a risk for poor OS in patients treated with CCRT and consolidation durvalumab compared with those treated with CCRT.
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Affiliation(s)
- N Kishi
- Department of Radiation Oncology and Image-Applied Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Y Matsuo
- Department of Radiation Oncology and Image-applied therapy, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - M Ogura
- Department of Radiation Oncology, Kishiwada City Hospital, Kishiwada, Japan
| | - M Kokubo
- Department of Radiation Oncology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - N Araki
- Department of Radiology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - K Fujii
- Department of Radiation Oncology, Kurashiki Central Hospital, Kurashiki, Japan
| | - S Okumura
- Department of Radiation Oncology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - K Nakamatsu
- Department of Radiation Oncology, Kindai University Faculty of Medicine, Osaka-Sayama, Japan
| | - T Kishi
- Department of Radiation Oncology, Osaka Red Cross Hospital, Osaka, Japan
| | - T Atsuta
- Department of Radiology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - T Sakamoto
- Department of Radiation Oncology, Kyoto Katsura Hospital, Kyoto, Japan
| | - S Otsu
- Department of Radiation Oncology, Kyoto City Hospital, Kyoto, Japan
| | - T Katagiri
- Department of Radiation Oncology, Tenri Hospital, Tenri, Japan
| | - M Narabayashi
- Department of Radiology, Japanese Red Cross Fukui Hospital, Fukui, Japan
| | - S Fujishiro
- Department of Radiation Oncology, Shinko Hospital, Kobe, Japan
| | - Y Iizuka
- Department of Radiation Oncology, Shizuoka City Shizuoka Hospital, Shizuoka, Japan
| | - H Ozasa
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - T Hirai
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - T Mizowaki
- Department of Radiation Oncology and Image-applied therapy, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Tamura S, Ishiguro H, Suwabe T, Katagiri T, Cho K, Fuse K, Shibasaki Y, Mikami T, Shindo T, Kitagawa H, Igarashi M, Sone H, Masuko M, Ushiki T. Genetic manipulation resulting in decreased donor chondroitin sulfate synthesis mitigates hepatic GVHD via suppression of T cell activity. Sci Rep 2023; 13:13098. [PMID: 37567982 PMCID: PMC10421903 DOI: 10.1038/s41598-023-40367-3] [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: 12/17/2022] [Accepted: 08/09/2023] [Indexed: 08/13/2023] Open
Abstract
Donor T cell activation, proliferation, differentiation, and migration are the major steps involved in graft-versus-host disease (GVHD) development following bone marrow transplantation. Chondroitin sulfate (CS) proteoglycan is a major component of the extracellular matrix and causes immune modulation by interacting with cell growth factors and inducing cell adhesion. However, its precise effects on immune function are unclear than those of other proteoglycan families. Thus, we investigated the significance of CS within donor cells in acute GVHD development utilizing CSGalNAc T1-knockout (T1KO) mice. To determine the effects of T1KO, the mice underwent allogenic bone marrow transplantation from major histocompatibility complex-mismatched donors. While transplantation resulted in hepatic GVHD with inflammatory cell infiltration of both CD4+ and CD8+ effector memory T cells, transplantation in T1KO-donors showed milder cell infiltration and improved survival with fewer splenic effector T cells. In vitro T-cell analyses showed that the ratio of effector memory T cells was significantly lower via phorbol myristate acetate/ionomycin stimulation. Moreover, quantitative PCR analyses showed significantly less production of inflammatory cytokines, such as IFN-γ and CCL-2, in splenocytes of T1KO mice. These results suggest that reduction of CS in donor blood cells may suppress the severity of acute GVHD after hematopoietic stem cell transplantation.
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Affiliation(s)
- Suguru Tamura
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Hajime Ishiguro
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Tatsuya Suwabe
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Takayuki Katagiri
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Kaori Cho
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Kyoko Fuse
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Yasuhiko Shibasaki
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Tadahisa Mikami
- Laboratory of Biochemistry, Kobe Pharmaceutical University, Kobe, Japan
| | - Takero Shindo
- Department of Hematology/Oncology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Hiroshi Kitagawa
- Laboratory of Biochemistry, Kobe Pharmaceutical University, Kobe, Japan
| | - Michihiro Igarashi
- Department of Neurochemistry and Molecular Cell Biology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hirohito Sone
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Masayoshi Masuko
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Takashi Ushiki
- Department of Hematology, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan.
- Division of Hematology and Oncology, Graduate School of Health Sciences, Niigata University, Niigata, Japan.
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Futami K, Sato S, Maita M, Katagiri T. Lack of a p16 INK4a/ARF locus in fish genome may underlie senescence resistance in the fish cell line, EPC. Dev Comp Immunol 2022; 133:104420. [PMID: 35417735 DOI: 10.1016/j.dci.2022.104420] [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] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/07/2022] [Accepted: 04/07/2022] [Indexed: 06/14/2023]
Abstract
Unlike most mammalian cell lines, fish cell lines are immortal and resistant to cellular senescence. Elevated expression of H-Ras contributes to the induction of senescence in a fish cell line, EPC, but is not sufficient to induce full senescence. Here, we focused on the absence of a p16INK4a/ARF locus in the fish genome, and investigated whether this might be a critical determinant of the resistance of EPC cells to full senescence. We found that transfected EPC cells constitutively overexpressing p16INK4a exhibited large size and flat morphology characteristic of prematurely senescent cells; the cells also showed p53-independent senescence-like growth arrest and senescence-associated β-galactosidase (SA-β-gal) activity. Furthermore, the mRNA levels of proinflammatory senescence-associated secretory phenotype (SASP) factors increased in EPC cells constitutively overexpressing p16INK4a. These results suggest that the lack of p16INK4a in the fish genome may be a critical determinant of senescence resistance in fish cell lines.
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Affiliation(s)
- Kunihiko Futami
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato, Tokyo, 108-8477, Japan.
| | - Shunichi Sato
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato, Tokyo, 108-8477, Japan
| | - Masashi Maita
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato, Tokyo, 108-8477, Japan
| | - Takayuki Katagiri
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato, Tokyo, 108-8477, Japan
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8
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Kishi N, Matsuo Y, Shintani T, Ogura M, Mitsuyoshi T, Araki N, Fujii K, Okumura S, Nakamatsu K, Kishi T, Atsuta T, Sakamoto T, Otsu S, Katagiri T, Narabayashi M, Fujishiro S, Iizuka Y, Ozasa H, Mizowaki T. PO-1279 PFS and recurrence patterns after CCRT with durvalumab for stage III and recurrent NSCLC. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03243-1] [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: 10/18/2022]
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9
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Katagiri T, Kita Y, Amao Y. Visible-light driven enantioselective L-lactate synthesis with a combination system of biocatalyst and dye-sensitized NAD+ reduction. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.04.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Kitiyodom S, Yata T, Thompson KD, Costa J, Elumalai P, Katagiri T, Temisak S, Namdee K, Rodkhum C, Pirarat N. Immersion Vaccination by a Biomimetic-Mucoadhesive Nanovaccine Induces Humoral Immune Response of Red Tilapia ( Oreochromis sp.) against Flavobacterium columnare Challenge. Vaccines (Basel) 2021; 9:vaccines9111253. [PMID: 34835184 PMCID: PMC8624005 DOI: 10.3390/vaccines9111253] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/27/2021] [Accepted: 10/27/2021] [Indexed: 11/21/2022] Open
Abstract
Immersion vaccination with a biomimetic mucoadhesive nanovaccine has been shown to induce a strong mucosal immune response against columnaris disease, a serious bacterial disease in farmed red tilapia caused by Flavobacterium columnare. However, the induction of a systemic immune response by the vaccine is yet to be investigated. Here, we examine if a specific humoral immune response is stimulated in tilapia by a biomimetic-mucoadhesive nanovaccine against Flavobacterium columnare using an indirect-enzyme-linked immunosorbent assay (ELISA), serum bactericidal activity (SBA) and the expression of immune-related genes within the head-kidney and spleen, together with assessing the relative percent survival of vaccinated fish after experimentally infecting them with F. columnare. The anti-IgM antibody titer of fish at 14 and 21 days post-vaccination was significantly higher in chitosan complex nanoemulsion (CS-NE) vaccinated fish compared to fish vaccinated with the formalin-killed vaccine or control fish, supporting the serum bactericidal activity results at these time points. The cumulative mortality of the unvaccinated control fish was 87% after challenging fish with the pathogen, while the cumulative mortality of the CS-NE vaccinated group was 24%, which was significantly lower than the formalin-killed vaccinated and control fish. There was a significant upregulation of IgM, IgT, TNF α, and IL1-β genes in the spleen and kidney of vaccinated fish. Significant upregulation of IgM and IgT genes was observed in the spleen of CS-NE vaccinated fish. The study confirmed the charged-chitosan-based mucoadhesive nanovaccine to be an effective platform for immersion vaccination of tilapia, with fish generating a humoral systemic immune response against columnaris disease in vaccinated fish.
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Affiliation(s)
- Sirikorn Kitiyodom
- Wildlife Exotic Aquatic Animal Pathology-Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Teerapong Yata
- Biochemistry Unit, Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Kim D. Thompson
- Moredun Research Institute, Pentlands Science Park, Penicuik EH26 0PZ, UK;
- Correspondence: (K.D.T.); (N.P.)
| | - Janina Costa
- Moredun Research Institute, Pentlands Science Park, Penicuik EH26 0PZ, UK;
| | - Preetham Elumalai
- School of Ocean Science and Technology, Kerala University of Fisheries and Ocean Studies, Kochi 682506, Kerala, India;
| | - Takayuki Katagiri
- Laboratory of Fish Health Management, Course of Aquatic Biosciences, Tokyo University of Marine Science and Technology, Tokyo 108-8477, Japan;
| | - Sasithon Temisak
- Bio Analysis Group, Chemical Metrology and Biometry Department, National Institute of Metrology (NIMT), Pathum Thani 12120, Thailand;
| | - Katawut Namdee
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand;
| | - Channarong Rodkhum
- Department of Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Nopadon Pirarat
- Wildlife Exotic Aquatic Animal Pathology-Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand;
- Correspondence: (K.D.T.); (N.P.)
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11
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Cho K, Ushiki T, Ishiguro H, Tamura S, Araki M, Suwabe T, Katagiri T, Watanabe M, Fujimoto Y, Ohashi R, Ajioka Y, Shimizu I, Okuda S, Masuko M, Nakagawa Y, Hirai H, Alexander WS, Shimano H, Sone H. Altered microbiota by a high-fat diet accelerates lethal myeloid hematopoiesis associated with systemic SOCS3 deficiency. iScience 2021; 24:103117. [PMID: 34611611 PMCID: PMC8476681 DOI: 10.1016/j.isci.2021.103117] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 08/10/2021] [Accepted: 09/09/2021] [Indexed: 11/30/2022] Open
Abstract
The suppressors of cytokine signaling (SOCS) proteins are negative regulators of cytokine signaling required to prevent excessive cellular responses. In particular, SOCS3 is involved in the regulation of metabolic syndromes, such as obesity and diabetes, by suppressing leptin and insulin signals. SOCS3 also suppresses the inflammatory response associated with metabolic stress, but this specific role remains undefined. Wild-type mice on a high-fat diet (HFD) exhibited only fatty liver, whereas systemic deletion of SOCS3 resulted in excessive myeloid hematopoiesis and hepatic inflammation. In addition, depletion of the gut microbiota resulted in considerable improvement in excess granulopoiesis and splenomegaly, halting the progression of systemic inflammation in SOCS3KO mice on the HFD. This result suggests that intestinal dysbiosis is involved in inflammation associated with SOCS3KO. Although contributing to diet-induced obesity and fatty liver, SOCS3 is nevertheless critical to suppress excess myeloid hematopoiesis and severe systemic inflammation associated with intestinal dysbiosis on HFD. SOCS3 suppresses severe systemic inflammation associated with high-fat diet SOCS3 deficiency on high-fat diet accelerates excess myeloid hematopoiesis SOCS3 controls gut dysbiosis on high-fat diet
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Affiliation(s)
- Kaori Cho
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan
| | - Takashi Ushiki
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan.,Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, 1-754 Asahimachi-dori, Chuo-ku, Niigata, Niigata 951-8520, Japan
| | - Hajime Ishiguro
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan
| | - Suguru Tamura
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan
| | - Masaya Araki
- Department of Endocrinology and Metabolism, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Tatsuya Suwabe
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan
| | - Takayuki Katagiri
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan
| | - Mari Watanabe
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, 1-754 Asahimachi-dori, Chuo-ku, Niigata, Niigata 951-8520, Japan
| | - Yoko Fujimoto
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, 1-754 Asahimachi-dori, Chuo-ku, Niigata, Niigata 951-8520, Japan
| | - Riuko Ohashi
- Histopathology Core Facility, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan.,Division of Molecular and Diagnostic Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata 951-8510, Japan
| | - Yoichi Ajioka
- Histopathology Core Facility, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan.,Division of Molecular and Diagnostic Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata 951-8510, Japan
| | - Ippei Shimizu
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Shujiro Okuda
- Division of Bioinformatics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata 951-8510, Japan
| | - Masayoshi Masuko
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan
| | - Yoshimi Nakagawa
- Division of Complex Biosystem Research, Department of Research and Development, Institute of Natural Medicine, University of Toyama, Toyama, Toyama 930-0194, Japan
| | - Hideyo Hirai
- Department of Clinical Laboratory Medicine, Kyoto University Hospital, Kyoto, Kyoto 606-8507, Japan.,Laboratory of Stem Cell Regulation, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
| | - Warren S Alexander
- Blood Cells and Blood Cancer Division, the Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, the University of Melbourne, Parkville, VIC 3052, Australia
| | - Hitoshi Shimano
- Department of Endocrinology and Metabolism, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Hirohito Sone
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Niigata 951-8510, Japan
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12
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Suwabe T, Fuse K, Katsura K, Soga M, Katagiri T, Shibasaki Y, Narita M, Sone H, Masuko M. Intensive oral care can reduce bloodstream infection with coagulase-negative staphylococci after neutrophil engraftment in allogeneic hematopoietic stem-cell transplantation. Support Care Cancer 2021; 30:475-485. [PMID: 34313857 DOI: 10.1007/s00520-021-06447-8] [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] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 07/18/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE Bloodstream infection (BSI) is a major complication of allogeneic hematopoietic stem-cell transplantation (allo-SCT). There are several causes of BSI; in particular, severe oral mucositis (OM) can induce BSI due to coagulase-negative staphylococci (CoNS). The OM severity may be reduced with intensive oral care. Thus, we evaluated whether the type of oral care affects the BSI incidence eventually. METHOD We performed retrospective analysis on 206 recipients who underwent allo-SCT from 2006 to 2017 at our institute. Intensive oral care by a dental specialist was performed for 111 recipients (intensive-care group) and self-oral care was performed by 95 recipients (self-care group). Incidence of BSI was assessed by type of the oral care, before neutrophil engraftment (pre-E-BSI) and after neutrophil engraftment (post-E-BSI) period until 180 days after allo-SCT. RESULT A total of 112 BSI occurred in 90 of the 206 recipients and 120 bacteria were identified, with CoNS being the most prevalent. There was no significant difference in the incidence of pre-E-BSI between the self-care and intensive-care groups (30.8% and 30.6%, respectively; P = 0.508). Meanwhile, the incidence of post-E-BSI was significantly lower in the intensive-care group than in the self-care group (14.3% and 28.6%; P = 0.008). In addition, the intensive-care group had significantly lower incidence of post-E-BSI with CoNS than the self-care group (8.5% and 21.5%, respectively; P = 0.009). CONCLUSION Intensive oral care through the period of allo-HCT can significantly reduce the post-E-BSI occurrence, especially due to CoNS.
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Affiliation(s)
- Tatsuya Suwabe
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori Chuoh-ku, Niigata, 951-8510, Japan
| | - Kyoko Fuse
- Department of Hematopoietic Cell Transplantation, Niigata University Medical and Dental Hospital, 1-757 Asahimachi-dori Chuoh-ku, Niigata, 951-8510, Japan.
| | - Kouji Katsura
- Department of Oral Radiology, Niigata University Medical and Dental Hospital, 1-757 Asahimachi-dori Chuoh-ku, Niigata, 951-8510, Japan
| | - Marie Soga
- Department of Oral Radiology, Niigata University Medical and Dental Hospital, 1-757 Asahimachi-dori Chuoh-ku, Niigata, 951-8510, Japan
| | - Takayuki Katagiri
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori Chuoh-ku, Niigata, 951-8510, Japan
| | - Yasuhiko Shibasaki
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori Chuoh-ku, Niigata, 951-8510, Japan
| | - Miwako Narita
- Laboratory of Hematology and Oncology, Graduate School of Health Sciences, Niigata University, 2-746 Asahimachi-dori, Chuo-ku, Niigata, 951-8518, Japan
| | - Hirohito Sone
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1-757 Asahimachi-dori Chuoh-ku, Niigata, 951-8510, Japan
| | - Masayoshi Masuko
- Department of Hematopoietic Cell Transplantation, Niigata University Medical and Dental Hospital, 1-757 Asahimachi-dori Chuoh-ku, Niigata, 951-8510, Japan
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13
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Hagiwara R, Shinkuma S, Yokoyama R, Ansai O, Hayashi R, Katagiri T, Abe R. Acquired ichthyosis disclosing intravascular large B-cell lymphoma. J Dermatol 2021; 48:E500-E501. [PMID: 34227138 DOI: 10.1111/1346-8138.16051] [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] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 06/09/2021] [Accepted: 06/11/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Risa Hagiwara
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Science, Niigata, Japan
| | - Satoru Shinkuma
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Science, Niigata, Japan.,Department of Dermatology, Nara Medical University School of Medicine, Kashihara, Japan
| | - Rei Yokoyama
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Science, Niigata, Japan
| | - Osamu Ansai
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Science, Niigata, Japan
| | - Ryota Hayashi
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Science, Niigata, Japan
| | - Takayuki Katagiri
- ³Division of Hematology, Niigata University Graduate School of Medical and Dental Science, Niigata, Japan
| | - Riichiro Abe
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Science, Niigata, Japan
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14
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Kitiyodom S, Trullàs C, Rodkhum C, Thompson KD, Katagiri T, Temisak S, Namdee K, Yata T, Pirarat N. Modulation of the mucosal immune response of red tilapia (Oreochromis sp.) against columnaris disease using a biomimetic-mucoadhesive nanovaccine. Fish Shellfish Immunol 2021; 112:81-91. [PMID: 33675991 DOI: 10.1016/j.fsi.2021.02.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/27/2021] [Accepted: 02/28/2021] [Indexed: 06/12/2023]
Abstract
Columnaris, a highly contagious bacterial disease caused by Flavobacterium columnare, is recognized as one of the most important infectious diseases in farmed tilapia, especially during the fry and fingerling stages of production. The disease is associated with characteristic lesions in the mucosa of affected fish, particularly their skin and gills. Vaccines delivered via the mucosa are therefore of great interest to scientists developing vaccines for this disease. In the present study, we characterized field isolates of F. columnare obtained from clinical columnaris outbreaks in red tilapia to select an isolate to use as a candidate for our vaccine study. This included characterizing its colony morphology, genotype and virulence status. The isolate was incorporated into a mucoadhesive polymer chitosan-complexed nanovaccine (CS-NE), the efficacy of which was determined by experimentally infecting red tilapia that had been vaccinated with the nanoparticles by immersion. The experimental infection was performed 30-days post-vaccination (dpv), which resulted in 89% of the unvaccinated control fish dying, while the relative percentage survival (RPS) of the CS-NE vaccinated group was 78%. Histology of the mucosal associated lymphoid tissue (MALT) showed a significantly higher presence of leucocytes and a greater antigen uptake by the mucosal epithelium in CS-NE vaccinated fish compared to control fish and whole cell vaccinated fish, respectively, and there was statistically significant up-regulation of IgT, IgM, TNF α, IL1-β and MHC-1 genes in the gill of the CS-NE vaccinated group. Overall, the results of our study confirmed that the CS-NE particles achieved better adsorption onto the mucosal surfaces of the fish, elicited great vaccine efficacy and modulated the MALT immune response better than the conventional whole cell-killed vaccine, demonstrating the feasibility of the mucoadhesive nano-immersion vaccine as an effective delivery system for the induction of a mucosal immune response against columnaris disease in tilapia.
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Affiliation(s)
- Sirikorn Kitiyodom
- Wildlife Exotic Aquatic Animal Pathology-Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Clara Trullàs
- Wildlife Exotic Aquatic Animal Pathology-Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Channarong Rodkhum
- Department of Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Kim D Thompson
- Moredun Research Institute, Pentlands Science Park, Penicuik, UK
| | - Takayuki Katagiri
- Laboratory of Fish Health Management, Course of Aquatic Biosciences, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Sasithon Temisak
- Bio Analysis Group, Chemical Metrology and Biometry Department, National Institute of Metrology (NIMT), Pathum Thani, 12120, Thailand
| | - Katawut Namdee
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand
| | - Teerapong Yata
- Biochemistry Unit, Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Nopadon Pirarat
- Wildlife Exotic Aquatic Animal Pathology-Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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15
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Katagiri T, Uemura S, Ushiki T, Nakajima-Takagi Y, Oshima M, Mikami T, Kawasaki A, Ishiguro H, Tanaka T, Sone H, Kitagawa H, Igarashi M, Iwama A, Masuko M. Distinct effects of chondroitin sulfate on hematopoietic cells and the stromal microenvironment in bone marrow hematopoiesis. Exp Hematol 2021; 96:52-62.e5. [PMID: 33582241 DOI: 10.1016/j.exphem.2021.02.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 07/14/2020] [Revised: 02/03/2021] [Accepted: 02/07/2021] [Indexed: 12/12/2022]
Abstract
The bone marrow (BM) microenvironment, known as the BM niche, regulates hematopoiesis but is also affected by interactions with hematopoietic cells. Recent evidence indicates that extracellular matrix components are involved in these interactions. Chondroitin sulfate (CS), a glycosaminoglycan, is a major component of the extracellular matrix; however, it is not known whether CS has a physiological role in hematopoiesis. Here, we analyzed the functions of CS in hematopoietic and niche cells. CSGalNAcT1, which encodes CS N-acetylgalactosaminyltransferase-1 (T1), a key enzyme in CS biosynthesis, was highly expressed in hematopoietic stem and progenitor cells (HSPCs) and endothelial cells (ECs), but not in mesenchymal stromal cells (MSCs) in BM. In T1 knockout (T1KO) mice, a greater number of HSPCs existed compared with the wild-type (WT), but HSPCs from T1KO mice showed significantly impaired repopulation in WT recipient mice on serial transplantation. RNA sequence analysis revealed the activation of IFN-α/β signaling and endoplasmic reticulum stress in T1KO HSPCs. In contrast, the number of WT HSPCs repopulated in T1KO recipient mice was larger than that in WT recipient mice after serial transplantation, indicating that the T1KO niche supports repopulation of HSPCs better than the WT niche. There was no obvious difference in the distribution of vasculature and MSCs between WT and T1KO BM, suggesting that CS loss alters vascular niche functions without affecting its structure. Our results revealed distinct roles of CS in hematopoietic cells and BM niche, indicating that crosstalk between these components is important to maintain homeostasis in BM.
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Affiliation(s)
- Takayuki Katagiri
- Department of Hematology, Faculty of Medicine, Niigata University, Niigata, Japan
| | - Shun Uemura
- Department of Hematology, Faculty of Medicine, Niigata University, Niigata, Japan; Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Takashi Ushiki
- Department of Hematology, Faculty of Medicine, Niigata University, Niigata, Japan
| | - Yaeko Nakajima-Takagi
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Motohiko Oshima
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Tadahisa Mikami
- Laboratory of Biochemistry, Kobe Pharmaceutical University, Kobe, Hyogo, Japan
| | - Asami Kawasaki
- Department of Neurochemistry and Molecular Cell Biology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Hajime Ishiguro
- Department of Hematology, Faculty of Medicine, Niigata University, Niigata, Japan
| | - Tomoyuki Tanaka
- Department of Hematology, Faculty of Medicine, Niigata University, Niigata, Japan
| | - Hirohito Sone
- Department of Hematology, Faculty of Medicine, Niigata University, Niigata, Japan
| | - Hiroshi Kitagawa
- Laboratory of Biochemistry, Kobe Pharmaceutical University, Kobe, Hyogo, Japan
| | - Michihiro Igarashi
- Department of Neurochemistry and Molecular Cell Biology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Atsushi Iwama
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Masayoshi Masuko
- Department of Stem Cell Transplantation, Niigata University Medical and Dental Hospital, Niigata, Japan.
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16
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Katagiri T, Amao Y. Visible light driven selective NADH regeneration using a system of water-soluble zinc porphyrin and homogeneous polymer-dispersed rhodium nanoparticles. NEW J CHEM 2021. [DOI: 10.1039/d1nj02856a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We discovered the catalytic activity of Rh nanoparticles dispersed by polyvinylpyrrolidone for regioselective NAD+ reduction to 1,4-NADH. Only 1,4-NADH was produced as the reduction product of NAD+ with visible-light irradiation.
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Affiliation(s)
- Takayuki Katagiri
- Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan
| | - Yutaka Amao
- Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan
- Research Centre for Artificial Photosynthesis (ReCAP), Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan
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17
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Shibasaki Y, Suwabe T, Katagiri T, Fuse K, Narita M, Sone H, Masuko M. The Glasgow prognostic score divides high-risk hematopoietic cell transplantation-specific comorbidity index patients into stratified subgroups in allogeneic hematopoietic cell transplantation. Ann Hematol 2020; 99:671-673. [PMID: 32009181 DOI: 10.1007/s00277-020-03936-4] [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] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 01/24/2020] [Indexed: 10/25/2022]
Affiliation(s)
- Yasuhiko Shibasaki
- Department of Hematopoietic Cell Transplantation, Niigata University Medical and Dental Hospital, Niigata City, Japan. .,Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, Niigata City, Japan. .,Department of Hematopoietic Cell Transplantation, Niigata University Medical and Dental Hospital, 1-754 Asahimachi-dori, Chuo-ku, Niigata, 951-8510, Japan.
| | - Tatsuya Suwabe
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, Niigata City, Japan
| | - Takayuki Katagiri
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, Niigata City, Japan
| | - Kyoko Fuse
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, Niigata City, Japan
| | - Miwako Narita
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, Niigata City, Japan
| | - Hirohito Sone
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, Niigata City, Japan
| | - Masayoshi Masuko
- Department of Hematopoietic Cell Transplantation, Niigata University Medical and Dental Hospital, Niigata City, Japan
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18
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Abstract
ME is an attractive biocatalyst for building carbon–carbon bonds through carboxylation of pyruvate with CO2. The carboxylation of pyruvate with CO2was promoted by adding a trivalent metal ion. In particular, Al3+accelerates ME-catalyzed carboxylation of pyruvate with CO2.
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Affiliation(s)
| | - Yutaka Amao
- Graduate School of Science
- Osaka City University
- Osaka 558-8585
- Japan
- Research Centre of Artificial Photosynthesis (ReCAP)
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19
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Uto M, Ogura K, Katagiri T, Takehana K, Mizowaki T. Interfractional Target Volume Changes in Brain Metastases during 13-Fraction Stereotactic Radiotherapy. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.2270] [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: 10/26/2022]
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20
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Fuse K, Uemura S, Tamura S, Suwabe T, Katagiri T, Tanaka T, Ushiki T, Shibasaki Y, Sato N, Yano T, Kuroha T, Hashimoto S, Furukawa T, Narita M, Sone H, Masuko M. Patient-based prediction algorithm of relapse after allo-HSCT for acute Leukemia and its usefulness in the decision-making process using a machine learning approach. Cancer Med 2019; 8:5058-5067. [PMID: 31305031 PMCID: PMC6718546 DOI: 10.1002/cam4.2401] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 06/23/2019] [Accepted: 06/24/2019] [Indexed: 12/23/2022] Open
Abstract
Although allogeneic hematopoietic stem cell transplantation (allo‐HSCT) is a curative therapy for high‐risk acute leukemia (AL), some patients still relapse. Since patients simultaneously have many prognostic factors, difficulties are associated with the construction of a patient‐based prediction algorithm of relapse. The alternating decision tree (ADTree) is a successful classification method that combines decision trees with the predictive accuracy of boosting. It is a component of machine learning (ML) and has the capacity to simultaneously analyze multiple factors. Using ADTree, we attempted to construct a prediction model of leukemia relapse within 1 year of transplantation. With the model of training data (n = 148), prediction accuracy, the AUC of ROC, and the κ‐statistic value were 78.4%, 0.746, and 0.508, respectively. The false positive rate (FPR) of the relapse prediction was as low as 0.134. In an evaluation of the model with validation data (n = 69), prediction accuracy, AUC, and FPR of the relapse prediction were similar at 71.0%, 0.667, and 0.216, respectively. These results suggest that the model is generalized and highly accurate. Furthermore, the output of ADTree may visualize the branch point of treatment. For example, the selection of donor types resulted in different relapse predictions. Therefore, clinicians may change treatment options by referring to the model, thereby improving outcomes. The present results indicate that ML, such as ADTree, will contribute to the decision‐making process in the diversified allo‐HSCT field and be useful for preventing the relapse of leukemia.
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Affiliation(s)
- Kyoko Fuse
- Faculty of Medicine, Department of Hematology, Endocrinology and Metabolism, Niigata University, Niigata, Japan
| | - Shun Uemura
- Faculty of Medicine, Department of Hematology, Endocrinology and Metabolism, Niigata University, Niigata, Japan
| | - Suguru Tamura
- Faculty of Medicine, Department of Hematology, Endocrinology and Metabolism, Niigata University, Niigata, Japan
| | - Tatsuya Suwabe
- Faculty of Medicine, Department of Hematology, Endocrinology and Metabolism, Niigata University, Niigata, Japan
| | - Takayuki Katagiri
- Faculty of Medicine, Department of Hematology, Endocrinology and Metabolism, Niigata University, Niigata, Japan
| | - Tomoyuki Tanaka
- Faculty of Medicine, Department of Hematology, Endocrinology and Metabolism, Niigata University, Niigata, Japan
| | - Takashi Ushiki
- Faculty of Medicine, Department of Hematology, Endocrinology and Metabolism, Niigata University, Niigata, Japan
| | - Yasuhiko Shibasaki
- Department of Hematopoietic Cell Transplantation, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Naoko Sato
- Department of Hematology, Nagaoka Red Cross Hospital, Nagaoka, Japan
| | - Toshio Yano
- Department of Hematology, Nagaoka Red Cross Hospital, Nagaoka, Japan
| | - Takashi Kuroha
- Department of Hematology, Nagaoka Red Cross Hospital, Nagaoka, Japan
| | - Shigeo Hashimoto
- Department of Hematology, Nagaoka Red Cross Hospital, Nagaoka, Japan
| | - Tatsuo Furukawa
- Department of Hematology, Nagaoka Red Cross Hospital, Nagaoka, Japan
| | - Miwako Narita
- Laboratory of Hematology and Oncology, Graduate School of Health Sciences, Niigata University, Niigata, Japan
| | - Hirohito Sone
- Faculty of Medicine, Department of Hematology, Endocrinology and Metabolism, Niigata University, Niigata, Japan
| | - Masayoshi Masuko
- Department of Hematopoietic Cell Transplantation, Niigata University Medical and Dental Hospital, Niigata, Japan
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21
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Futami K, Maita M, Katagiri T. DNA demethylation with 5-aza-2′-deoxycytidine induces the senescence-associated secretory phenotype in the immortal fish cell line, EPC. Gene 2019; 697:194-200. [DOI: 10.1016/j.gene.2019.02.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 01/23/2019] [Accepted: 02/06/2019] [Indexed: 12/28/2022]
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22
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Ushiki T, Tsuneyama H, Masuko M, Kozakai T, Kasami T, Tanaka T, Uchikawa M, Kitajima T, Kasai E, Komata T, Katagiri T, Kamimura M, Sato K, Fuse I, Ogasawara K, Nakata K. Rh null phenotype caused by a novel RHAG mutation, c.945+1G>A, in the Japanese population. Transfusion 2019; 59:2519-2522. [PMID: 30990901 DOI: 10.1111/trf.15312] [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: 01/25/2019] [Revised: 03/08/2019] [Accepted: 03/20/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND The Rh complex contributes to cell membrane structural integrity of erythrocytes. Rhnull syndrome is characterized by the absence of the Rh antigen on the erythrocyte membrane, resulting in chronic hemolytic anemia. We recently came across 3 Rhnull phenotype probands within two families with the same novel RHAG mutation in the Japanese population. MATERIALS AND METHODS Detailed Rh phenotyping by hemagglutination was performed using monoclonal and polyclonal anti-D, -C, -c, -E, and -e; monoclonal and polyclonal anti-Rh17 antibodies; and polyclonal anti-Rh29 antibodies. RHAG mRNA transcripts were analyzed by reverse transcription-polymerase chain reaction, and the mutation was verified by genomic sequencing. RESULTS The genomic region spanning exon 6 contained a G > A transition in the invariant GT motif of the 5' donor splice-site of Intron 6 (c.945+1G>A). The Rhnull phenotype was caused by an autosomal recessive mutation in Probands 1 and 2, determined by family history. Regarding clinical features, the degree of hemolysis varied slightly between these individuals, with Proband 3 displaying acute hemolytic anemia with an infection. While no standard therapy has been established, the condition of the patient in this study improved with conservative treatment, including hydration and antibiotics. CONCLUSION The mechanisms of hemolysis due to the Rhnull phenotype can vary, but our findings indicate that acute hemolytic crisis caused by the Rhnull syndrome could be associated with infection.
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Affiliation(s)
- Takashi Ushiki
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Hatsue Tsuneyama
- Japanese Red Cross Kanto-Koshinetsu Block Blood Center, Tokyo, Japan
| | - Masayoshi Masuko
- Department of Hematology, Niigata University Faculty of Medicine, Niigata, Japan
| | - Takashi Kozakai
- Department of Hematology, Sado General Hospital, Niigata, Japan
| | - Takuya Kasami
- Department of Hematology, Sado General Hospital, Niigata, Japan
| | - Tomoyuki Tanaka
- Department of Hematology, Sado General Hospital, Niigata, Japan
| | - Makoto Uchikawa
- Japanese Red Cross Kanto-Koshinetsu Block Blood Center, Tokyo, Japan
| | | | - Emiko Kasai
- Department of Hematology, Sado General Hospital, Niigata, Japan
| | - Tae Komata
- Niigata Red Cross Blood Center, Niigata, Japan
| | - Takayuki Katagiri
- Department of Hematology, Niigata University Faculty of Medicine, Niigata, Japan
| | - Masami Kamimura
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata, Japan
| | | | - Ichiro Fuse
- Niigata Red Cross Blood Center, Niigata, Japan
| | | | - Koh Nakata
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata, Japan
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23
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Tamura S, Kawamoto K, Miyoshi H, Suzuki T, Katagiri T, Kasami T, Nemoto H, Miyakoshi S, Kobayashi H, Shibasaki Y, Masuko M, Takeuchi K, Ohshima K, Sone H, Takizawa J. Cladribine treatment for Erdheim-Chester disease involving the central nervous system and concomitant polycythemia vera: A case report. J Clin Exp Hematop 2018; 58:161-165. [PMID: 30305475 PMCID: PMC6407475 DOI: 10.3960/jslrt.18015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Erdheim–Chester disease (ECD), a rare form of non-Langerhans cell histiocytosis, is
characterized by the infiltration of foamy CD68+ and CD1a-
histiocytes into multiple organ systems. Central nervous system (CNS) involvement has
recently been reported to be a poor prognostic factor when treating ECD with interferon
alpha. We report the case of a 66-year-old Japanese patient with ECD involving the CNS who
harbored the BRAF V600E mutation and also concomitantly developed
polycythemia vera with the JAK2 V617F mutation. We confirmed
2-chlorodeoxyadenosine (cladribine) therapy to be effective for the patient in this
case.
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24
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Uto M, Katagiri T, Takehana K, Ogura K, Mizowaki T. P2.01-98 Single-Isocenter Volumetric-Modulated Arc Radiosurgery for Non-Small-Cell Lung Cancer Patients with Multiple Brain Metastases. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1152] [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: 10/28/2022]
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25
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Katagiri T, Fujita K, Ikeyama S, Amao Y. Visible light-induced reduction system of diphenylviologen derivative with water-soluble porphyrin for biocatalytic carbon–carbon bond formation from CO2. PURE APPL CHEM 2018. [DOI: 10.1515/pac-2018-0402] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
From the view point of green chemistry, CO2 utilization technologies with solar energy including the photoredox system have been received a lot of attention. As one of them, photoredox system containing a photosensitizer and a catalyst catalyzing a reaction of a carbon–carbon bond formation from CO2 as a feed stock were constructed. In a recent study, we reported the visible light-induced malate (C4 compound) production from pyruvate (C3 compound) and CO2 due to carbon–carbon bond formation with the system consisting an electron donor, a photosensitizer, diphenylviologen (PV2+) derivative as an electron mediator in the presence of malic enzyme (ME). However, the interaction between a photosensitizer and PV2+ derivative has not been clarified yet. In this study, water-soluble PV2+ derivative, 1,1′-bis(p-sulfonatophenyl)-4,4′-bipyridinium salt (PSV2+) was synthesized, and its electro-, photochemical properties were evaluated. Moreover, the photoredox properties of PSV2+ with water-soluble Zn porphyrin were studied using fluorescence spectroscopy and steady state irradiation. The fluorescence of Zn porphyrin was quenched by PSV2+ and the two-electron reduced form of PSV2+ were produced with Zn porphyrin with steady state irradiation. In addition, reaction solution containing triethanolamine, tetraphenylporphyrin tetrasulfonate, pyruvate, ME, Mg2+ and PSV2+ in CO2 saturated bis-tris buffer (pH 7.4) was irradiated with visible light, the oxaloacetate and malate were produced. This result indicates that PSV2+ is an efficient electron mediator in the visible light-induced redox system for carbon–carbon bond formation with ME from CO2 as a feedstock.
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Affiliation(s)
- Takayuki Katagiri
- Graduate School of Science, Osaka City University, Sugimoto 3-3-138, Sumiyoshi-ku , Osaka 558-8585 , Japan
| | - Kohei Fujita
- Graduate School of Science, Osaka City University, Sugimoto 3-3-138, Sumiyoshi-ku , Osaka 558-8585 , Japan
| | - Shusaku Ikeyama
- Advanced Research Institute for Natural Science and Technology, Osaka City University, Sugimoto 3-3-138, Sumiyoshi-ku , Osaka 558-8585 , Japan
| | - Yutaka Amao
- Graduate School of Science, Osaka City University, Sugimoto 3-3-138, Sumiyoshi-ku , Osaka 558-8585 , Japan
- Advanced Research Institute for Natural Science and Technology, Osaka City University, Sugimoto 3-3-138, Sumiyoshi-ku , Osaka 558-8585 , Japan
- Research Centre for Artificial Photosynthesis (ReCAP), Osaka City University, Sugimoto 3-3-138, Sumiyoshi-ku , Osaka 558-8585 , Japan
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26
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Kobayashi H, Yoshimura N, Uemura S, Katagiri T, Tanaka T, Ushiki T, Fuse K, Shibasaki Y, Narita M, Sone H, Masuko M. Heterogeneity of intrahepatic iron deposition in transfusion-dependent iron overload patients with hematological malignancies. Leuk Res 2018; 70:41-44. [DOI: 10.1016/j.leukres.2018.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 05/12/2018] [Accepted: 05/15/2018] [Indexed: 01/05/2023]
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27
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Shibasaki Y, Suwabe T, Katagiri T, Tanaka T, Ushiki T, Fuse K, Sato N, Yano T, Kuroha T, Hashimoto S, Narita M, Furukawa T, Sone H, Masuko M. Refinement of the Glasgow Prognostic Score as a pre-transplant risk assessment for allogeneic hematopoietic cell transplantation. Int J Hematol 2018; 108:282-289. [DOI: 10.1007/s12185-018-2463-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 04/26/2018] [Accepted: 04/26/2018] [Indexed: 10/16/2022]
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28
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Kayansamruaj P, Pirarat N, Katagiri T, Hirono I, Rodkhum C. Molecular characterization and virulence gene profiling of pathogenic Streptococcus agalactiae populations from tilapia ( Oreochromis sp.) farms in Thailand. J Vet Diagn Invest 2018; 26:488-495. [PMID: 24842288 DOI: 10.1177/1040638714534237] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Streptococcus spp. were recovered from diseased tilapia in Thailand during 2009-2010 ( n = 33), and were also continually collected from environmental samples (sediment and water) from tilapia farms for 9 months in 2011 ( n = 25). The relative percent recovery of streptococci from environmental samples was 13-67%. All streptococcal isolates were identified as S. agalactiae (group B streptococci [GBS]) by a species-specific polymerase chain reaction. In molecular characterization assays, 4 genotypic categories comprised of 1) molecular serotypes, 2) the infB allele, 3) virulence gene profiling patterns ( cylE, hylB, scpB, lmb, cspA, dltA, fbsA, fbsB, bibA, gap, and pili backbone-encoded genes), and 4) randomly amplified polymorphic DNA (RAPD) fingerprinting patterns, were used to describe the genotypic diversity of the GBS isolates. There was only 1 isolate identified as molecular serotype III, while the others were serotype Ia. Most GBS serotype Ia isolates had an identical infB allele and virulence gene profiling patterns, but a large diversity was established by RAPD analysis with diversity tending to be geographically dependent. Experimental infection of Nile tilapia ( Oreochromis niloticus) revealed that the GBS serotype III isolate was nonpathogenic in the fish, while all 5 serotype Ia isolates (3 fish and 2 environmental isolates) were pathogenic, with a median lethal dose of 6.25-7.56 log10 colony-forming units. In conclusion, GBS isolates from tilapia farms in Thailand showed a large genetic diversity, which was associated with the geographical origins of the bacteria.
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Affiliation(s)
- Pattanapon Kayansamruaj
- Departments of Veterinary Microbiology (Kayansamruaj, Rodkhum) Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Departments of Veterinary Pathology (Pirarat), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Laboratories of Fish Health Management (Katagiri) Tokyo University of Marine Science and Technology, Tokyo, Japan.,Laboratories of Genome Science (Hirono), Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Nopadon Pirarat
- Departments of Veterinary Microbiology (Kayansamruaj, Rodkhum) Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Departments of Veterinary Pathology (Pirarat), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Laboratories of Fish Health Management (Katagiri) Tokyo University of Marine Science and Technology, Tokyo, Japan.,Laboratories of Genome Science (Hirono), Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Takayuki Katagiri
- Departments of Veterinary Microbiology (Kayansamruaj, Rodkhum) Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Departments of Veterinary Pathology (Pirarat), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Laboratories of Fish Health Management (Katagiri) Tokyo University of Marine Science and Technology, Tokyo, Japan.,Laboratories of Genome Science (Hirono), Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Ikuo Hirono
- Departments of Veterinary Microbiology (Kayansamruaj, Rodkhum) Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Departments of Veterinary Pathology (Pirarat), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Laboratories of Fish Health Management (Katagiri) Tokyo University of Marine Science and Technology, Tokyo, Japan.,Laboratories of Genome Science (Hirono), Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Channarong Rodkhum
- Departments of Veterinary Microbiology (Kayansamruaj, Rodkhum) Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Departments of Veterinary Pathology (Pirarat), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Laboratories of Fish Health Management (Katagiri) Tokyo University of Marine Science and Technology, Tokyo, Japan.,Laboratories of Genome Science (Hirono), Tokyo University of Marine Science and Technology, Tokyo, Japan
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29
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Shibasaki Y, Suwabe T, Katagiri T, Tanaka T, Kobayashi H, Fuse K, Ushiki T, Sato N, Yano T, Kuroha T, Hashimoto S, Narita M, Furukawa T, Sone H, Masuko M. The Glasgow Prognostic Score as a pre-transplant risk assessment for allogeneic hematopoietic cell transplantation. Clin Transplant 2017; 31. [DOI: 10.1111/ctr.13103] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2017] [Indexed: 01/19/2023]
Affiliation(s)
- Yasuhiko Shibasaki
- Department of Hematopoietic Cell Transplantation; Niigata University Medical and Dental Hospital; Niigata City Japan
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Tatsuya Suwabe
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Takayuki Katagiri
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Tomoyuki Tanaka
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Hironori Kobayashi
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Kyoko Fuse
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Takashi Ushiki
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Naoko Sato
- Department of Hematology; Nagaoka Red Cross Hospital; Nagaoka City Japan
| | - Toshio Yano
- Department of Hematology; Nagaoka Red Cross Hospital; Nagaoka City Japan
| | - Takashi Kuroha
- Department of Hematology; Nagaoka Red Cross Hospital; Nagaoka City Japan
| | - Shigeo Hashimoto
- Department of Hematology; Nagaoka Red Cross Hospital; Nagaoka City Japan
| | - Miwako Narita
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Tatsuo Furukawa
- Department of Hematology; Nagaoka Red Cross Hospital; Nagaoka City Japan
| | - Hirohito Sone
- Department of Hematology; Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata City Japan
| | - Masayoshi Masuko
- Department of Hematopoietic Cell Transplantation; Niigata University Medical and Dental Hospital; Niigata City Japan
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30
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Kayansamruaj P, Rangsichol A, Dong HT, Rodkhum C, Maita M, Katagiri T, Pirarat N. Outbreaks of ulcerative disease associated with ranavirus infection in barcoo grunter, Scortum barcoo (McCulloch & Waite). J Fish Dis 2017; 40:1341-1350. [PMID: 28111768 DOI: 10.1111/jfd.12606] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 11/28/2016] [Accepted: 12/03/2016] [Indexed: 06/06/2023]
Abstract
In 2013, an outbreak of ulcerative disease associated with ranavirus infection occurred in barcoo grunter, Scortum barcoo (McCulloch & Waite), farms in Thailand. Affected fish exhibited extensive haemorrhage and ulceration on skin and muscle. Microscopically, the widespread haemorrhagic ulceration and necrosis were noted in gill, spleen and kidney with the presence of intracytoplasmic eosinophilic inclusion bodies. When healthy barcoo grunter were experimentally challenged via intraperitoneal and oral modes with homogenized tissue of naturally infected fish, gross and microscopic lesions occurred with a cumulative mortality of 70-90%. Both naturally and experimentally infected fish yielded positive results to the ranavirus-specific PCR. The full-length nucleotide sequences of major capsid protein gene of ranaviral isolates were similar to largemouth bass virus (LMBV) and identical to largemouth bass ulcerative syndrome virus (LBUSV), previously reported in farmed largemouth bass (Micropterus salmoides L.), which also produced lethal ulcerative skin lesions. To the best of our knowledge, this is the first report of a LMBV-like infection associated with skin lesions in barcoo grunter, adding to the known examples of ranavirus infection associated with skin ulceration in fish.
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Affiliation(s)
- P Kayansamruaj
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Department of Aquaculture, Faculty of Fisheries, Kasetsart University, Bangkok, Thailand
| | - A Rangsichol
- Department of Fish Disease Diagnosis, Aquatic Animal Research Center, Bangkok, Thailand
| | - H T Dong
- Department Microbiology, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
| | - C Rodkhum
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - M Maita
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - T Katagiri
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - N Pirarat
- Wildlife, Exotic and Aquatic Pathology- Special Task Force for Activating Research, Department of Veterinary Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
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31
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Ashida R, Goto Y, Kishi T, Katagiri T, Nakamura A, Sakanaka K, Itasaka S, Shibuya K, Arizono S, Isoda H, Mizowaki T. Analysis of the Relation between Pretreatment ADC Value and Prognosis in Patients Treated With Concurrent Chemoradiation Therapy for Locally Advanced Pancreatic Cancer. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.923] [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: 11/30/2022]
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32
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Zoral MA, Futami K, Endo M, Maita M, Katagiri T. Anthelmintic activity of Rosmarinus officinalis against Dactylogyrus minutus (Monogenea) infections in Cyprinus carpio. Vet Parasitol 2017; 247:1-6. [PMID: 29080753 DOI: 10.1016/j.vetpar.2017.09.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 09/12/2017] [Accepted: 09/13/2017] [Indexed: 11/27/2022]
Abstract
Monogenean parasites are important ectoparasites of fish, and are responsible for severe economic impacts in the aquaculture industry. They are usually treated with chemicals, but the chemicals can have harmful side effects in the fish and may pose threats to human health. Rosemary (Rosmarinus officinalis) is a common medicinal herb, with antimicrobial and antitumor properties. Here, we examined the anthelmintic activity of rosemary extract against the monogenean (Dactylogyrus minutus) in vitro and in vivo using bath treatment and oral administration. The in vitro experiments showed that parasite survival was affected by both rosemary extract concentration and the solvent (water and ethanol). Parasites were dead at 61.8±5.6 and 7.8±1.4min when exposed to 100 and 200g aqueous rosemary extract solution/L of water respectively. It took 166.7±48.2 and 5.4±1.01min to kill the parasites when exposed to 1 and 32g ethanol rosemary extract solution/L of water respectively. Moreover, pure component of rosemary extract obtained commercially used in in vitro experiments showed that 1,8-Cineole was the most toxic component of the main components tested. Parasite intensity and prevalence in fish exposed to 50 and 100g aqueous rosemary solution/L water for 30min were significantly lower than they were in controls (p<0.05). In oral treatment experiments, diets of Cyprinus carpio were supplemented with eight different concentrations of aqueous rosemary extract. The intensity of parasites was significantly less in fish fed for 30days with feed containing 60, 80 and 100ml aqueous extract/100g feed than in control (p<0.05). Together these results indicate that rosemary is a promising candidate for prevention and control of monogenean infection.
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Affiliation(s)
- M A Zoral
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - K Futami
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan
| | - M Endo
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan
| | - M Maita
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan
| | - T Katagiri
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
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Katagiri T, Ushiki T, Masuko M, Tanaka T, Miyakoshi S, Fuse K, Shibasaki Y, Takizawa J, Aoki S, Sone H. Successful 5-azacytidine treatment of myeloid sarcoma and leukemia cutis associated with myelodysplastic syndrome: A case report and literature review. Medicine (Baltimore) 2017; 96:e7975. [PMID: 28885352 PMCID: PMC6392782 DOI: 10.1097/md.0000000000007975] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
RATIONALE Myeloid sarcoma (MS) and leukemia cutis (LC) are extramedullary tumors comprising myeloid blasts. They can occur de novo or concurrently with hematological disorders, usually acute myeloid leukemia (AML). AML chemotherapy is generally the initial therapy for MS and LC, and hematopoietic stem cell transplantation (HSCT) can be considered as additional therapy. However, treatment for older patients who are unable to continue intensive chemotherapy is not currently standardized. PATIENT CONCERNS A 71-year-old Japanese woman was diagnosed with multiple MSs associated with myelodysplastic syndrome (MDS), using bone marrow aspiration and lymph node biopsy. DIAGNOSES Additionally, LC was diagnosed by skin biopsy. Extramedullary MS and LC lesions were formed by massive infiltration of myeloblastic cells. INTERVENTIONS Twenty courses of 5-azacytidine (5-Aza) were administrated as maintenance therapy after induction therapy with daunorubicin and cytarabine. OUTCOMES Myeloblasts decreased in the bone marrow and the LC disappeared after induction therapy. The MSs completely disappeared, except for the palatine tonsil lesion, after 5-Aza maintenance therapy. 5-Aza treatment provided long-term partial response for more than 21 months. LESSONS 5-Aza was well tolerated and may be a good option for the treatment of MS and LC associated with MDS, especially in older patients who cannot receive HSCT.
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Affiliation(s)
| | - Takashi Ushiki
- Department of Hematology
- Department of Transfusion Medicine and Regenerative Medicine, Niigata University Medical and Dental Hospital
| | | | | | | | | | | | | | - Sadao Aoki
- Department of Pathophysiology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
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Gallage S, Katagiri T, Endo M, Maita M. Comprehensive evaluation of immunomodulation by moderate hypoxia in S. agalactiae vaccinated Nile tilapia. Fish Shellfish Immunol 2017; 66:445-454. [PMID: 28526572 DOI: 10.1016/j.fsi.2017.05.041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 05/15/2017] [Accepted: 05/15/2017] [Indexed: 06/07/2023]
Abstract
Streptococcus agalactiae is a major bacterial pathogen in tilapia aquaculture. Vaccines are known to provide protection but S. agalactiae clearance in tilapia can be reduced by marginal environmental conditions. Therefore, the purpose of this study is to examine S. agalactiae clearance in vaccinated Nile tilapia under moderate hypoxic (55± 5% DO) and normoxic (85 ± 5%DO) conditions. Fish were acclimatized to either moderate hypoxia or normoxia and immunized with formalin-inactivated S. agalactiae. Fish were experimentally challenged with S. agalactiae at 30 days post-vaccination. Serum antibody titer was significantly higher in vaccinated fish kept under normoxic condition compared to the moderate hypoxic condition at fifteen and thirty days post-vaccination. The cumulative mortality following challenge was significantly reduced in vaccinated fish kept under normoxic condition compared to those in moderate hypoxic condition reflecting that pre-challenge antibody titer may correlate with survival of fish. Blood and tissue pathogen burden detection of S. agalactiae studies revealed that culturable S. agalactiae cells could not be detected in the blood of normoxic vaccinated fish at all the sampling points. In contrast, fish vaccinated in moderate hypoxic condition had considerable number of culturable S. agalactiae cells in their blood up to 5 days following challenge. Phagocytosis and intracellular reactive oxygen species (ROS) production were lowered by moderate hypoxia in vitro. Furthermore, presence of specific antibodies and higher specific antibody level in the serum increased phagocytosis, ROS production and lowered intracellular survival of S. agalactiae in head kidney leukocytes. Overall this study has highlighted that S. agalactiae clearance in vaccinated Nile tilapia is modulated by moderate hypoxia. One of the possible explanations for this might be less efficient phagocytic activities due to low oxygen availability and lower specific antibody production in vaccinated fish.
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Affiliation(s)
- Sanchala Gallage
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - Takayuki Katagiri
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - Masato Endo
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - Masashi Maita
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
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Kawamura M, Yoshimura M, Katagiri T, Mitsuyoshi T, Inokuchi H, Ishimori T, Nakamoto Y, Mizowaki T, Hiraoka M. EP-1068: Hypoxic imaging obtained at 2-h postinjection in FMISO-PET. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)31504-9] [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: 10/19/2022]
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Suwabe T, Shibasaki Y, Kaihatsu A, Katagiri T, Miyakoshi S, Fuse K, Kobayashi H, Ushiki T, Moriyama M, Takizawa J, Narita M, Sone H, Masuko M. Successful umbilical cord blood hematopoietic stem cell transplantation in a patient with adult T-cell leukemia/lymphoma initially achieving complete remission with anti-CC chemokine receptor 4 antibody combined chemotherapy. Rinsho Ketsueki 2017; 58:32-36. [PMID: 28190863 DOI: 10.11406/rinketsu.58.32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A 62-year-old man with CHOP refractory adult T-cell leukemia/lymphoma (ATLL) received anti-CC chemokine receptor 4 antibody (mogamulizumab) combined with CHOP and achieved complete remission. At 71 days after the final administration of mogamulizumab, he received umbilical cord blood transplantation (CBT) using reduced intensity conditioning. Umbilical cord blood engraftment was confirmed on day16. Grade II acute graft-versus-host disease (GVHD) was diagnosed on day60 and was controlled by administration of methylprednisolone. There was no evidence of relapse at 9 months after CBT. Ratios of regulatory T cells in CD4 positive T cells were remarkably low during all of these periods. Since mogamulizumab reduces regulatory T cells, the frequency and severity of acute GVHD were reported to be increased in patients administered mogamulizumab before allogenic stem cell transplantation. Further experiences are needed for selecting optimal donor sources, the portability period and GVHD prophylaxis for patients using mogamulizumab before allogeneic stem cell transplantation.
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Affiliation(s)
- Tatsuya Suwabe
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine
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Amao Y, Ikeyama S, Katagiri T, Fujita K. Development of a dye molecule-biocatalyst hybrid system with visible-light induced carbon–carbon bond formation from CO2 as a feedstock. Faraday Discuss 2017; 198:73-81. [DOI: 10.1039/c6fd00212a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Recently, CO2 utilization technology, including artificial photosynthesis, has received much attention. In this field, CO2 is used as a feedstock for fuels, polymers and in other chemical processes. Of note are malic enzymes (MEs) which catalyze the reaction of malic acid to pyruvic acid and CO2 with the co-enzyme NADP+, and catalyze the reverse reaction of pyruvic acid and CO2 to malic acid with the co-enzyme NADPH. Thus, MEs are also an attractive biocatalyst for carbon–carbon bond formation from CO2. Studies of the visible light-induced malic acid production from pyruvic acid and CO2 using an electron donor, a photosensitizer, an electron mediator, ferredoxin-NADP+ reductase, NADP+, and ME have been reported. However, modification of these systems is required, as they are very complicated. In this study, the visible light-induced carbon–carbon bond formation from pyruvic acid and CO2 with ME using the photoreduction of 1,1′-diphenyl-4,4′-bipyridinium salt derivatives as a novel electron mediator with water-soluble tetraphenylporphyrin tetrasulfonate (H2TPPS) in the presence of triethanolamine (TEOA) as an electron donor was developed. When a sample solution containing TEOA, H2TPPS, 1,1′-diphenyl-4,4′-bipyridinium salt derivative, pyruvic acid, and ME in CO2-saturated bis–tris buffer was irradiated, the major product was oxaloacetic acid. Thus, a visible light-induced photoredox system for carbon–carbon bond formation from CO2 with ME using 1,1′-diphenyl-4,4′-bipyridinium salt derivative as an electron mediator was developed.
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Affiliation(s)
- Yutaka Amao
- The Advanced Research Institute for Natural Science and Technology
- Osaka City University
- Osaka 558-8585
- Japan
- Graduate School of Science
| | - Shusaku Ikeyama
- Graduate School of Science
- Osaka City University
- Osaka 558-8585
- Japan
| | | | - Kohei Fujita
- Graduate School of Science
- Osaka City University
- Osaka 558-8585
- Japan
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Shibasaki Y, Katagiri T, Kobayashi H, Ushiki T, Narita M, Sone H, Furukawa T, Masuko M. The Dinakara equation for adjusting DLCO for hemoglobin in the HCT-CI is superior to the Cotes equation for predicting high-risk patients in allogeneic hematopoietic stem cell transplantation. Am J Hematol 2016; 91:E296. [PMID: 26840242 DOI: 10.1002/ajh.24318] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 01/20/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Yasuhiko Shibasaki
- Department of Stem Cell Transplantation; Niigata University Medical and Dental Hospital; Niigata Japan
| | - Takayuki Katagiri
- Department of Hematology, Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata Japan
| | - Hironori Kobayashi
- Department of Hematology, Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata Japan
| | - Takashi Ushiki
- Department of Hematology, Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata Japan
| | - Miwako Narita
- Department of Hematology, Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata Japan
| | - Hirohito Sone
- Department of Hematology, Endocrinology and Metabolism; Niigata University Faculty of Medicine; Niigata Japan
| | - Tatsuo Furukawa
- Department of Hematology; Nagaoka Red Cross Hospital; Niigata Japan
| | - Masayoshi Masuko
- Department of Stem Cell Transplantation; Niigata University Medical and Dental Hospital; Niigata Japan
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Gallage S, Katagiri T, Endo M, Futami K, Endo M, Maita M. Influence of moderate hypoxia on vaccine efficacy against Vibrio anguillarum in Oreochromis niloticus (Nile tilapia). Fish Shellfish Immunol 2016; 51:271-281. [PMID: 26915308 DOI: 10.1016/j.fsi.2016.02.024] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 02/18/2016] [Accepted: 02/18/2016] [Indexed: 06/05/2023]
Abstract
Hypoxia is known as a potential immunomodulator in fish. This study therefore assesses the impact of chronic, moderate hypoxia on vaccine efficacy in Oreochromis niloticus. Serum antibody titer was used as a surrogate marker to detect vaccine efficacy. The fish were acclimatized to either moderate hypoxia (55 ± 5% DO) or normoxia (85 ± 5%DO) and immunized with formalin inactivated Vibrio anguillarum. Significantly, a higher antibody titer was found in normoxic fish than in moderate hypoxia. The normoxic group titer peaked at 14th dpv (days post vaccination) while the moderate hypoxic group peaked at 21st or 28th dpv. The absolute blood lymphocyte counts and serum bactericidal activities against V. anguillarum were significantly higher in normoxic fish. Serum killing of V. anguillarum appeared to be mainly via antibody-dependent classical complement pathway. Furthermore, the first week following vaccination appears critical for antibody production. This view was further supported by results obtained from gene expression assay, where the transcription level of all the detected immune related genes (IgM, IL-1 β, TCR-β, MHC-II β), except B cell activating factor, were significantly suppressed following exposure to moderate hypoxia. The overall results highlight that even though moderate hypoxia is not easily detectable in Oreochromis niloticus, it negatively affects antibody production by suppressing and delaying antibody response, ultimately affecting vaccine efficacy.
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Affiliation(s)
- Sanchala Gallage
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - Takayuki Katagiri
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - Makoto Endo
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - Kunihiko Futami
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - Masato Endo
- Laboratory of Aquaculture, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
| | - Masashi Maita
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan.
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Pinpimai K, Rodkhum C, Chansue N, Katagiri T, Maita M, Pirarat N. The study on the candidate probiotic properties of encapsulated yeast, Saccharomyces cerevisiae JCM 7255, in Nile Tilapia (Oreochromis niloticus). Res Vet Sci 2015; 102:103-11. [DOI: 10.1016/j.rvsc.2015.07.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Revised: 07/28/2015] [Accepted: 07/28/2015] [Indexed: 11/25/2022]
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Zhao B, Katagiri T, Kondo H, Hirono I. Comparative analysis of two types of CXCL8 from Japanese flounder (Paralichthys olivaceus). Dev Comp Immunol 2015; 52:37-47. [PMID: 25912356 DOI: 10.1016/j.dci.2015.04.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 04/17/2015] [Accepted: 04/19/2015] [Indexed: 06/04/2023]
Abstract
A new type of CXCL8, named CXCL8_L1b, was identified in this research. Comparison of amino acid sequences of Japanese flounder CXCL8_L1b and CXCL8_L1a (BAB86884.1) showed only 41.2% identity. Transcripts of CXCL8_L1a were highly detected in spleen, kidney, gill and liver, while transcripts of CXCL8_L1b only were detected highly in spleen and kidney of apparently healthy fish. In fish challenged with E. tarda, transcripts of CXCL8_L1a were significantly increased at day 6, while no significant increase was detected in the mRNA level of CXCL8_L1b. On the other hand, fish infected by S. iniae significantly increased both transcripts of CXCL8_L1a and CXCL8_L1b at days 1 and 3. In VHSV-infected fish, only the transcripts of CXCL8_L1b were significantly induced at day 6. LPS and poly I:C stimulation of PBLs induced a high level of CXCL8_L1a transcripts, while CXCL8_L1b transcripts were significantly increased only post poly I:C treatment. To evaluate the chemotactic activity of CXCL8_L1a and CXCL8_L1b, Japanese flounder were intramuscularly injected with recombinant plasmids pCI-CXCL8_L1a and pCI-CXCL8_L1b. H & E staining showed that injections of both pCI-CXCL8_L1a and pCI-CXCL8_L1b caused strong immune responses in the form of intermuscular cell infiltration and capillary congestion. Injection of pCI-CXCL8_L1a and pCI-CXCL8_L1b significantly induced the expressions of genes related to inflammatory response such as IL-6 and CD8α on day 1 post-injection. The transcripts of IgM only significantly increased on day 7 post-injection of pCI-CXCL8_L1b.
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Affiliation(s)
- Beibei Zhao
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo 108-8477, Japan
| | - Takayuki Katagiri
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo 108-8477, Japan
| | - Hidehiro Kondo
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo 108-8477, Japan
| | - Ikuo Hirono
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo 108-8477, Japan.
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Tsukamoto S, Mizuta T, Fujimoto M, Ohte S, Osawa K, Miyamoto A, Yoneyama K, Murata E, Machiya A, Jimi E, Kokabu S, Katagiri T. Smad9 is a new type of transcriptional regulator in bone morphogenetic protein signaling. Sci Rep 2014; 4:7596. [PMID: 25534700 PMCID: PMC4274517 DOI: 10.1038/srep07596] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [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: 09/14/2014] [Accepted: 12/03/2014] [Indexed: 01/23/2023] Open
Abstract
Smad1, Smad5 and Smad9 (also known as Smad8) are activated by phosphorylation by bone morphogenetic protein (BMP)-bound type I receptor kinases. We examined the role of Smad1, Smad5, and Smad9 by creating constitutively active forms (Smad(DVD)). Transcriptional activity of Smad9(DVD) was lower than that of Smad1(DVD) or Smad5(DVD), even though all three Smad(DVD)s associated with Smad4 and bound to the target DNA. The linker region of Smad9 was sufficient to reduce transcriptional activity. Smad9 expression was increased by the activation of BMP signaling, similar to that of inhibitory Smads (I-Smads), and Smad9 reduced BMP activity. In contrast to I-Smads, however, Smad9 did not inhibit the type I receptor kinase and suppressed the constitutively active Smad1(DVD). Smad9 formed complexes with Smad1 and bound to DNA but suppressed the transcription of the target gene. Taken together, our findings suggest that Smad9 is a new type of transcriptional regulator in BMP signaling.
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Affiliation(s)
- S. Tsukamoto
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - T. Mizuta
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - M. Fujimoto
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - S. Ohte
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - K. Osawa
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - A. Miyamoto
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - K. Yoneyama
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - E. Murata
- School of Medical Technology and Health, Faculty of Health and Medical Care, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - A. Machiya
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
| | - E. Jimi
- Division of Molecular Signaling and Biochemistry, Department of Health Promotion, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu-shi, Fukuoka 803-8580, Japan
| | - S. Kokabu
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine, Saitama Medical University, 38 Morohongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - T. Katagiri
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
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Nakajima N, Kawanishi M, Imamura S, Hirano F, Uchiyama M, Yamamoto K, Nagai H, Futami K, Katagiri T, Maita M, Kijima M. Development of a serology-based assay for efficacy evaluation of a lactococcicosis vaccine in Seriola fish. Fish Shellfish Immunol 2014; 38:135-139. [PMID: 24657319 DOI: 10.1016/j.fsi.2014.03.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Revised: 03/02/2014] [Accepted: 03/10/2014] [Indexed: 06/03/2023]
Abstract
Lactococcicosis is an infection caused by the bacterium Lactococcus garvieae and creates serious economic damage to cultured marine and fresh water fish industries. The use of the assay currently applied to evaluate the potency of the lactococcicosis vaccine is contingent upon meeting specific parameters after statistical analysis of the percent survival of the vaccinated yellowtail or greater amberjack fish after challenge with a virulent strain of L. garvieae. We found that measuring the serological response with a quantitative agglutinating antibody against the L. garvieae antigen (phenotype KG+) was an effective method of monitoring the potency of lactococcicosis vaccines. Vaccinated fish had significantly higher antibody titers than control fish when the L. garvieae Lg2-S strain was used as an antigen. Furthermore, the titer of the KG + agglutinating antibody was correlated with vaccine potency, and the cut-off titer was determined by comparing the data with those from the challenge test. An advantage of the proposed serology-based potency assay is that it will contribute to reduced numbers of animal deaths during vaccine potency evaluations.
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Affiliation(s)
- Nao Nakajima
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan.
| | - Michiko Kawanishi
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Saiki Imamura
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Fumiya Hirano
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Mariko Uchiyama
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Kinya Yamamoto
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Hidetaka Nagai
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Kunihiko Futami
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, Tokyo 108-8477, Japan
| | - Takayuki Katagiri
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, Tokyo 108-8477, Japan
| | - Masashi Maita
- Laboratory of Fish Health Management, Tokyo University of Marine Science and Technology, Tokyo 108-8477, Japan
| | - Mayumi Kijima
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
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Nakahara Y, Katagiri T, Ogata N, Haga N. ACVR1 (587T>C) mutation in a variant form of fibrodysplasia ossificans progressiva: second report. Am J Med Genet A 2013; 164A:220-4. [PMID: 24259422 DOI: 10.1002/ajmg.a.36219] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [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: 12/28/2012] [Accepted: 08/09/2013] [Indexed: 11/11/2022]
Abstract
Fibrodysplasia ossificans progressiva (FOP) is a rare, congenital disorder caused by heterozygous mutation of the bone morphogenetic protein type I receptor ACVR1. Various forms of atypical FOP have recently been identified, and a novel mutation, ACVR1 (587T>C), was reported in 2011. We report on the second patient worldwide with ACVR1 (587T>C) mutation. A 22-year-old Japanese male with no family history of heterotopic ossification did not show any malformation of the great toes and showed normal development from birth to the age of 17 years, when heterotopic ossification appeared in the lumbar area. The clinical symptoms were similar to those reported previously: the delayed onset with a slower and mild clinical course and little finger camptodactyly. Gene analysis revealed that the patient was heterozygous for ACVR1 (587T>C) mutation, the same one as reported in 2011, suggesting a correlation between the location of the mutation and the clinical symptoms. This second report of ACVR1 (587T>C) mutation worldwide is particularly meaningful in that it highlights the difference between clinical symptoms of the first reported patient with ACVR1 (587T>C) mutation and those of classic FOP.
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Affiliation(s)
- Y Nakahara
- Department of Rehabilitation Medicine, The University of Tokyo Hospital, Tokyo, Japan
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Kabasawa Y, Eda T, Hu J, Katayama I, Takeda J, Kitajima M, Katagiri T, Sasagawa T, Nakamura KG. Ultrafast quasiparticle dynamics of FeTe0.75Se0.25superconductor. EPJ Web of Conferences 2013. [DOI: 10.1051/epjconf/20134103009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Furuya H, Takahashi M, Katagiri T, Hohjoh H. T.O.2 Allele-specific silencing against the ALK2 mutants, R206H and G356D, in fibrodysplasia ossificans progressiva (FOP). Neuromuscul Disord 2012. [DOI: 10.1016/j.nmd.2012.06.339] [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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Pirarat N, Katagiri T, Chansue N, Ponpornpisit A, Endo M, Maita M. The Pathological Effects of Melamine and Cyanuric Acid in the Diet of Walking Catfish (Clarius batrachus). J Comp Pathol 2012; 147:259-66. [DOI: 10.1016/j.jcpa.2011.12.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2011] [Revised: 08/19/2011] [Accepted: 12/21/2011] [Indexed: 12/01/2022]
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Takahashi M, Katagiri T, Furuya H, Hohjoh H. Disease-causing allele-specific silencing against the ALK2 mutants, R206H and G356D, in fibrodysplasia ossificans progressiva. Gene Ther 2011; 19:781-5. [PMID: 22130450 DOI: 10.1038/gt.2011.193] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Fibrodysplasia ossificans progressiva (FOP) is an autosomal dominant congenital disorder characterized by progressive heterotopic bone formation. Currently, no definitive treatment exists for FOP. The activin receptor type IA / activin-like kinase 2 (ACVR1/ALK2) gene has been identified as the responsible gene for FOP, and disease-associated ALK2 mutations have been found. Chemical inhibitors to the pathogenic ALK2 receptors are considered possible medical agents for FOP, but their adverse effects on normal ALK2 and other receptors cannot be excluded. Here we describe another treatment strategy for FOP using allele-specific RNA interference (ASP-RNAi), and show modified small interfering RNAs (siRNAs) conferring allele-specific silencing against disease-causing ALK2 mutants found in FOP, without affecting normal ALK2 allele. Thus, the siRNAs presented here may become novel therapeutic agents for FOP, and their induced ASP-RNAi may pave the way for the achievement of radical treatment of FOP and/or for the relief of its severe symptoms.
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Affiliation(s)
- M Takahashi
- Department of Molecular Pharmacology, National Institute of Neuroscience, NCNP, Kodaira, Tokyo, Japan
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Ishiyama K, Katagiri T, Ohata K, Hosokawa K, Kondo Y, Yamazaki H, Takami A, Nakao S. Safety of pre-engraftment prophylactic foscarnet administration after allogeneic stem cell transplantation. Transpl Infect Dis 2011; 14:33-9. [DOI: 10.1111/j.1399-3062.2011.00662.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Meguro Y, Ito Y, Koba S, Yokota Y, Hirano T, Ban Y, Tsunoda F, Sato T, Shoji M, Suzuki H, Geshi E, Kobayashi Y, Katagiri T. 515 SMALL DENSE LDL-CHOLESTEROL IS SUPERIOR TO LDL-CHOLESTEROL FOR DETERMINING SEVERE CORONARY ATHEROSCLEROSIS. ATHEROSCLEROSIS SUPP 2011. [DOI: 10.1016/s1567-5688(11)70516-5] [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: 10/18/2022]
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