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Matsuura S, Nagata S, Shibazaki K, Uchida R, Imai Y, Shibata S, Morita H. Increased skeletal muscle mass index was involved in glycemic efficacy following diabetes treatment, and changes in fat mass index correlated with the changes in the lipid ratio in type 2 diabetes. J Diabetes Complications 2024; 38:108717. [PMID: 38422562 DOI: 10.1016/j.jdiacomp.2024.108717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/01/2023] [Accepted: 02/26/2024] [Indexed: 03/02/2024]
Abstract
AIM This study aimed to investigate the association between changes in body composition, glycated hemoglobin, and lipid ratio during the treatment of patients with type 2 diabetes mellitus (T2DM). METHODS This retrospective analysis used data from outpatients with T2DM who had confirmed body composition and measured laboratories at administration and after treatment. The baseline characteristics and prescribed treatment were collected. The total cholesterol/high-density lipoprotein cholesterol (HDL) ratio, low-density lipoprotein cholesterol (LDL)/HDL ratio, and triglyceride-glucose (TyG) index were also calculated. RESULTS A total of 207 patients (mean patient age, 62.0 ± 13.7 years; 68.1 % males) were enrolled. Fat mass index (FMI) changes correlated with the changes in the lipid ratio, whereas skeletal muscle mass index (SMI) changes inversely correlated with glycated hemoglobin (HbA1c) changes. Multiple regression analysis showed that changes in LDL/HDL and TyG correlated with FMI changes (t = 2.388, p = 0.017, t = 2.022, p = 0.044). Conversely, HbA1c changes correlated with SMI changes (t = -2.552, p = 0.011). CONCLUSION In patients with T2DM, increased SMI was involved in glycemic efficacy, and FMI changes were associated with LDL/HDL and TyG.
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Affiliation(s)
- Shun Matsuura
- Division of Diabetes Endocrinology Medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka 426-8677, Japan; Division of Respiratory Internal Medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka 426-8677, Japan.
| | - Soichiro Nagata
- Division of Diabetes Endocrinology Medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka 426-8677, Japan
| | - Koji Shibazaki
- Division of Diabetes Endocrinology Medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka 426-8677, Japan
| | - Reiko Uchida
- Division of Diabetes Endocrinology Medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka 426-8677, Japan
| | - Yukiko Imai
- Division of Diabetes Endocrinology Medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka 426-8677, Japan
| | - Shoko Shibata
- Division of Diabetes Endocrinology Medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka 426-8677, Japan
| | - Hiroshi Morita
- Division of Diabetes Endocrinology Medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka 426-8677, Japan
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2
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Sadamitsu K, Velilla F, Shinya M, Kashima M, Imai Y, Kawasaki T, Watai K, Hosaka M, Hirata H, Sakai N. Establishment of a zebrafish inbred strain, M-AB, capable of regular breeding and genetic manipulation. Sci Rep 2024; 14:7455. [PMID: 38548817 PMCID: PMC10978973 DOI: 10.1038/s41598-024-57699-3] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 03/20/2024] [Indexed: 04/01/2024] Open
Abstract
Inbred strains of organisms are genetically highly uniform and thus useful for life science research. We have previously reported the ongoing generation of the zebrafish IM strain from the India (IND) strain through full sib-pair mating for 16 generations. However, the IM fish laid a small number of offspring and had a short lifespan, implying the need for discreet care in breeding. Here, we report the subsequent establishment of IM strain as well as the generation of a new inbred zebrafish strain, Mishima-AB (M-AB). M-AB was derived from the *AB strain by full sib-pair mating for over 20 generations, which fulfills the general criterion for the establishment of an inbred strain. In contrast to the IM case, maintenance of the M-AB strain by sib-pair mating required almost no special handling. Genome sequencing of IM individuals from the 47th generation and M-AB individuals from the 27th generation revealed that SNP-based genomic heterogeneity across whole-genome nucleotides was 0.008% and 0.011%, respectively. These percentages were much lower than those of the parental IND (0.197%) and *AB (0.086%) strains. These results indicate that the genomes of these inbred strains were highly homogenous. We also demonstrated the successful microinjection of antisense morpholinos, CRISPR/Cas9, and foreign genes into M-AB embryos at the 1-cell stage. Overall, we report the establishment of a zebrafish inbred strain, M-AB, which is capable of regular breeding and genetic manipulation. This strain will be useful for the analysis of genetically susceptible phenotypes such as behaviors, microbiome features and drug susceptibility.
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Affiliation(s)
- Kenichiro Sadamitsu
- College of Science and Engineering, Aoyama Gakuin University, Sagamihara, 252-5258, Japan
| | - Fabien Velilla
- Model Fish Genetics Laboratory, National Institute of Genetics, Mishima, 411-8540, Japan
| | - Minori Shinya
- Department of Biology, Keio University, Yokohama, 223-8521, Japan
| | - Makoto Kashima
- College of Science and Engineering, Aoyama Gakuin University, Sagamihara, 252-5258, Japan
- Faculty of Science, Toho University, Funabashi, 274-8510, Japan
| | - Yukiko Imai
- Model Fish Genetics Laboratory, National Institute of Genetics, Mishima, 411-8540, Japan
| | - Toshihiro Kawasaki
- Model Fish Genetics Laboratory, National Institute of Genetics, Mishima, 411-8540, Japan
| | - Kenta Watai
- College of Science and Engineering, Aoyama Gakuin University, Sagamihara, 252-5258, Japan
| | - Miho Hosaka
- College of Science and Engineering, Aoyama Gakuin University, Sagamihara, 252-5258, Japan
| | - Hiromi Hirata
- College of Science and Engineering, Aoyama Gakuin University, Sagamihara, 252-5258, Japan.
| | - Noriyoshi Sakai
- Model Fish Genetics Laboratory, National Institute of Genetics, Mishima, 411-8540, Japan.
- Department of Genetics, SOKENDAI, Mishima, 411-8540, Japan.
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3
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Song X, Nihashi Y, Imai Y, Mori N, Kagaya N, Suenaga H, Shin-ya K, Yamamoto M, Setoyama D, Kunisaki Y, Kida YS. Collagen Lattice Model, Populated with Heterogeneous Cancer-Associated Fibroblasts, Facilitates Advanced Reconstruction of Pancreatic Cancer Microenvironment. Int J Mol Sci 2024; 25:3740. [PMID: 38612551 PMCID: PMC11011612 DOI: 10.3390/ijms25073740] [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: 02/22/2024] [Revised: 03/25/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a solid-tumor malignancy. To enhance the treatment landscape of PDAC, a 3D model optimized for rigorous drug screening is essential. Within the PDAC tumor microenvironment, a dense stroma comprising a large extracellular matrix and cancer-associated fibroblasts (CAFs) is well-known for its vital role in modulating tumor growth, cellular heterogeneity, bidirectional paracrine signaling, and chemoresistance. In this study, we employed a fibroblast-populated collagen lattice (FPCL) modeling approach that has the ability to replicate fibroblast contractility in the collagenous matrix to build dense stroma. This FPCL model allows CAF differentiation by facilitating multifaceted cell-cell interactions between cancer cells and CAFs, with the differentiation further influenced by mechanical forces and hypoxia carried within the 3D structure. Our FPCL models displayed hallmark features, including ductal gland structures and differentiated CAFs with spindle shapes. Through morphological explorations alongside in-depth transcriptomic and metabolomic profiling, we identified substantial molecular shifts from the nascent to mature model stages and potential metabolic biomarkers, such as proline. The initial pharmacological assays highlighted the effectiveness of our FPCL model in screening for improved therapeutic strategies. In conclusion, our PDAC modeling platform mirrors complex tumor microenvironmental dynamics and offers an unparalleled perspective for therapeutic exploration.
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Affiliation(s)
- Xiaoyu Song
- Tsukuba Life Science Innovation Program (T-LSI), School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba 305-8572, Japan;
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan; (Y.N.); (N.M.); (N.K.); (H.S.); (K.S.-y.)
| | - Yuma Nihashi
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan; (Y.N.); (N.M.); (N.K.); (H.S.); (K.S.-y.)
| | - Yukiko Imai
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Japan;
| | - Nobuhito Mori
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan; (Y.N.); (N.M.); (N.K.); (H.S.); (K.S.-y.)
| | - Noritaka Kagaya
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan; (Y.N.); (N.M.); (N.K.); (H.S.); (K.S.-y.)
| | - Hikaru Suenaga
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan; (Y.N.); (N.M.); (N.K.); (H.S.); (K.S.-y.)
| | - Kazuo Shin-ya
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan; (Y.N.); (N.M.); (N.K.); (H.S.); (K.S.-y.)
| | - Masamichi Yamamoto
- Department of Research Promotion and Management, National Cerebral and Cardiovascular Center, Ki-shibe-Shimmachi, Suita 564-8565, Japan;
| | - Daiki Setoyama
- Department of Clinical Chemistry and Laboratory Medicine, Kyushu University Hospital, Fukuoka 812-8582, Japan;
| | - Yuya Kunisaki
- Department of Clinical Chemistry and Laboratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan;
| | - Yasuyuki S. Kida
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan; (Y.N.); (N.M.); (N.K.); (H.S.); (K.S.-y.)
- School of Integrative & Global Majors, University of Tsukuba, Tsukuba 305-8572, Japan
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4
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Lin Z, Shibuya Y, Imai Y, Oshima J, Sasaki M, Sasaki K, Aihara Y, Khanh VC, Sekido M. Therapeutic Potential of Adipose-Derived Stem Cell-Conditioned Medium and Extracellular Vesicles in an In Vitro Radiation-Induced Skin Injury Model. Int J Mol Sci 2023; 24:17214. [PMID: 38139042 PMCID: PMC10743562 DOI: 10.3390/ijms242417214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
Radiotherapy (RT) is one of three major treatments for malignant tumors, and one of its most common side effects is skin and soft tissue injury. However, the treatment of these remains challenging. Several studies have shown that mesenchymal stem cell (MSC) treatment enhances skin wound healing. In this study, we extracted human dermal fibroblasts (HDFs) and adipose-derived stem cells (ADSCs) from patients and generated an in vitro radiation-induced skin injury model with HDFs to verify the effect of conditioned medium derived from adipose-derived stem cells (ADSC-CM) and extracellular vesicles derived from adipose-derived stem cells (ADSC-EVs) on the healing of radiation-induced skin injury. The results showed that collagen synthesis was significantly increased in wounds treated with ADSC-CM or ADSC-EVs compared with the control group, which promoted the expression of collagen-related genes and suppressed the expression of inflammation-related genes. These findings indicated that treatment with ADSC-CM or ADSC-EVs suppressed inflammation and promoted extracellular matrix deposition; treatment with ADSC-EVs also promoted fibroblast proliferation. In conclusion, these results demonstrate the effectiveness of ADSC-CM and ADSC-EVs in the healing of radiation-induced skin injury.
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Affiliation(s)
- Zhixiang Lin
- Department of Plastic and Reconstructive Surgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan (Y.I.); (M.S.)
| | - Yoichiro Shibuya
- Department of Plastic and Reconstructive Surgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan (Y.I.); (M.S.)
| | - Yukiko Imai
- Department of Plastic and Reconstructive Surgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan (Y.I.); (M.S.)
| | - Junya Oshima
- Department of Plastic and Reconstructive Surgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan (Y.I.); (M.S.)
| | - Masahiro Sasaki
- Department of Plastic and Reconstructive Surgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan (Y.I.); (M.S.)
- Department of Plastic and Reconstructive Surgery, Mito Saiseikai General Hospital, Mito 311-4145, Ibaraki, Japan
| | - Kaoru Sasaki
- Department of Plastic and Reconstructive Surgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan (Y.I.); (M.S.)
| | - Yukiko Aihara
- Department of Plastic and Reconstructive Surgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan (Y.I.); (M.S.)
| | - Vuong Cat Khanh
- Laboratory of Regenerative Medicine and Stem Cell Biology, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Mitsuru Sekido
- Department of Plastic and Reconstructive Surgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan (Y.I.); (M.S.)
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Takemoto K, Nishimura T, Kawasaki T, Imai Y, Levy K, Hart N, Olaya I, Burgess SM, Elkouby YM, Tanaka M, Sakai N. In Vitro Storage of Functional Sperm at Room Temperature in Zebrafish and Medaka. Zebrafish 2023; 20:229-235. [PMID: 38010808 DOI: 10.1089/zeb.2023.0054] [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] [Indexed: 11/29/2023] Open
Abstract
The longevity of sperm in teleost such as zebrafish and medaka is short when isolated even in saline-balanced solution at a physiological temperature. In contrast, some internal fertilizers exhibit the long-term storage of sperm, >10 months, in the female reproductive tract. This evidence implies that sperm in teleost possesses the ability to survive for a long time under suitable conditions; however, these conditions are not well understood. In this study, we show that the sperm of zebrafish can survive and maintain fertility in L-15-based storage medium supplemented with bovine serum albumin, fetal bovine serum, glucose, and lactic acid for 28 days at room temperature. The fertilized embryos developed to normal fertile adults. This storage medium was effective in medaka sperm stored for 7 days at room temperature. These results suggest that sperm from external fertilizer zebrafish and medaka has the ability to survive for at least 4 and 1 week, respectively, in the body fluid-like medium at a physiological temperature. This sperm storage method allows researchers to ship sperm by low-cost methods and to investigate key factors for motility and fertile ability in those sperm.
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Affiliation(s)
- Kazumasa Takemoto
- Department of Genetics, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Japan
| | | | - Toshihiro Kawasaki
- Department of Genetics, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Japan
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan
| | - Yukiko Imai
- Department of Genetics, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Japan
| | - Karine Levy
- Deparment of Developmental Biology and Cancer Research, Hebrew University of Jerusalem Faculty of Medicine, Jerusalem, Israel
- Institute for Medical Research Israel-Canada (IMRIC), Jerusalem, Israel
| | - Neta Hart
- Deparment of Developmental Biology and Cancer Research, Hebrew University of Jerusalem Faculty of Medicine, Jerusalem, Israel
- Institute for Medical Research Israel-Canada (IMRIC), Jerusalem, Israel
| | - Ivan Olaya
- Department of Molecular and Cellular Biology, University of California, Davis, Davis, California, USA
- Integrative Genetics and Genomics Graduate Group, University of California, Davis, Davis, California, USA
| | - Sean M Burgess
- Department of Molecular and Cellular Biology, University of California, Davis, Davis, California, USA
| | - Yaniv M Elkouby
- Deparment of Developmental Biology and Cancer Research, Hebrew University of Jerusalem Faculty of Medicine, Jerusalem, Israel
- Institute for Medical Research Israel-Canada (IMRIC), Jerusalem, Israel
| | - Minoru Tanaka
- Division of Biological Science, Nagoya University, Nagoya, Japan
| | - Noriyoshi Sakai
- Department of Genetics, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Japan
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan
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Iida S, Nakanishi T, Momose F, Ichishi M, Mizutani K, Matsushima Y, Umaoka A, Kondo M, Habe K, Hirokawa Y, Watanabe M, Iwakura Y, Miyahara Y, Imai Y, Yamanaka K. 356 IL-17A Is the Critical Cytokine for Liver and Spleen Amyloidosis in Inflammatory Skin Disease. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.09.369] [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: 11/19/2022]
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7
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Akashi N, Fujita H, Matoba T, Kohro T, Kabutoya T, Imai Y, Kario K, Kiyosue A, Nakayama M, Miyamoto Y, Nakamura T, Tsujita K, Matoba Y, Sato H, Nagai R. Hyperuricemia predicts worse prognosis in patients with chronic coronary syndrome after percutaneous coronary intervention: insights from Japanese real-world database using a storage system. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
The relationship between hyperuricemia (HUA) and cardiovascular disease was observed in some epidemiological studies. However, the association between HUA and chronic coronary syndrome (CCS) after percutaneous coronary intervention (PCI) is not fully elucidated.
Purpose
The purpose of this study was to investigate the prognostic impact of HUA in patients with CCS after PCI.
Methods
This study is a retrospective, multicenter, observational study. We developed the Clinical Deep Data Accumulation System (CLIDAS), which consists of 6 university hospitals and the national cardiovascular center in Japan, directly obtains clinical data including patients background, laboratory data, echocardiogram, electrocardiogram, cardiac catheterization report, prescription, and long-term outcome from electronic medical records. A total of 9936 consecutive patients after PCI were analyzed. Of them, 5138 patients with CCS after PCI during April 2013 and March 2019 were analyzed, and divided into HUA group (patients with HUA at baseline, n=1724) and non-HUA group (patients without HUA at baseline, n=3414). HUA was defined as a serum uric acid levels ≥7.0 mg/dL for men or ≥6.0 mg/dL for women and/or taking urate-lowering drugs. The primary outcome was the major cardiovascular events (MACE) defined as being the composite of cardiovascular death, myocardial infarction, and hospitalization for heart failure.
Results
The median follow-up duration was 910 days (interquartile range: 307–1479 days). The proportion of male (78% vs. 78%) and age (71±11 vs. 71±10) were similar between the HUA and the non-HUA groups. The prevalence of hypertension (87% vs. 82%), atrial fibrillation (9% vs. 5%), and history of previous hospitalization for heart failure (15% vs. 6%) and baseline creatinine value (1.8±2.3 vs. 1.5±2.0 mg/dL) were significantly higher in the HUA group. In contrast, the prevalence of diabetes (43% vs. 48%) was significantly lower in the HUA group. The incidence of MACE was significantly higher in the HUA group than in the non-HUA group (13.1% vs. 6.4%, log rank P<0.001). Multivariate Cox regression analyses revealed that hyperuricemia was significantly associated with MACE (hazard ratio 1.50, 95% confidence interval 1.22–1.84, P<0.001) after controlling for other cardiovascular risk factors.
Conclusion
The real-world database CLIDAS revealed that hyperuricemia was significantly associated with the increase of MACE in patients with CCS after PCI. This result sheds light on the significant role of urate in prediction of prognosis, suggesting the possibility of new therapeutic approaches using urate-lowering drugs or SGLT2 inhibitors for the CCS patients.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): Jichi Medical University, Tochigi, Japan, and Kowa Co., Ltd
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Affiliation(s)
- N Akashi
- Jichi Medical University Saitama Medical Center , Saitama , Japan
| | - H Fujita
- Jichi Medical University Saitama Medical Center , Saitama , Japan
| | - T Matoba
- Kyushu University Graduate School of Medical Sciences, Cardiovascular Medicine , Fukuoka , Japan
| | - T Kohro
- Jichi Medical University, Clinical Informatics , Tochigi , Japan
| | - T Kabutoya
- Jichi Medical University, Cardiovascular Medicine , Tochigi , Japan
| | - Y Imai
- Jichi Medical University, Clinical Pharmacology , Tochigi , Japan
| | - K Kario
- Jichi Medical University, Cardiovascular Medicine , Tochigi , Japan
| | - A Kiyosue
- University of Tokyo Hospital, Cardiovascular Medicine , Tokyo , Japan
| | - M Nakayama
- Tohoku University Graduate School of Medicine, Medical Informatics , Sendai , Japan
| | - Y Miyamoto
- National Cerebral and Cardiovascular Center Hospital, Open Innovation Center , Osaka , Japan
| | - T Nakamura
- Kumamoto University Hospital, Medical Informatics , Kumamoto , Japan
| | - K Tsujita
- Kumamoto University Hospital, Cardiovascular Medicine , Kumamoto , Japan
| | | | - H Sato
- Precision , Tokyo , Japan
| | - R Nagai
- Jichi Medical University , Tochigi , Japan
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Imai Y, Mori N, Nihashi Y, Kumagai Y, Shibuya Y, Oshima J, Sasaki M, Sasaki K, Aihara Y, Sekido M, Kida YS. Therapeutic Potential of Adipose Stem Cell-Derived Conditioned Medium on Scar Contraction Model. Biomedicines 2022; 10:biomedicines10102388. [PMID: 36289649 PMCID: PMC9598573 DOI: 10.3390/biomedicines10102388] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/08/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Scars are composed of stiff collagen fibers, which contract strongly owing to the action of myofibroblasts. To explore the substances that modulate scar contracture, the fibroblast-populated collagen lattice (FPCL) model has been used. However, the molecular signature of the patient-derived FPCL model has not been verified. Here, we examined whether the patient-derived keloid FPCL model reflects scar contraction, analyzing detailed gene expression changes using comprehensive RNA sequencing and histological morphology, and revealed that these models are consistent with the changes during human scar contracture. Moreover, we examined whether conditioned media derived from adipose stem cells (ASC-CM) suppress the scar contracture of the collagen disc. Detailed time-series measurements of changes in disc area showed that the addition of ASC-CM significantly inhibited the shrinkage of collagen discs. In addition, a deep sequencing data analysis revealed that ASC-CM suppressed inflammation-related gene expression in the early phase of contraction; in the later phase, this suppression was gradually replaced by extracellular matrix (ECM)-related gene expression. These lines of data suggested the effectiveness of ASC-CM in suppressing scar contractures. Therefore, the molecular analysis of the ASC-CM actions found in this study will contribute to solving medical problems regarding pathological scarring in wound prognosis.
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Affiliation(s)
- Yukiko Imai
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Ibaraki, Japan
- Department of Plastic and Reconstructive surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Nobuhito Mori
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Ibaraki, Japan
| | - Yuma Nihashi
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Ibaraki, Japan
| | - Yutaro Kumagai
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Ibaraki, Japan
| | - Yoichiro Shibuya
- Department of Plastic and Reconstructive surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Junya Oshima
- Department of Plastic and Reconstructive surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Masahiro Sasaki
- Department of Plastic and Reconstructive surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Kaoru Sasaki
- Department of Plastic and Reconstructive surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Yukiko Aihara
- Department of Plastic and Reconstructive surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Mitsuru Sekido
- Department of Plastic and Reconstructive surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Yasuyuki S. Kida
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Ibaraki, Japan
- School of Integrative and Global Majors, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
- Correspondence: ; Tel.: +81-29-861-3000
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Jakob R, Kaur H, Marzinek J, Green R, Imai Y, Bolla J, Agustoni E, Robinson C, Bond P, Lewis K, Maier T, Hiller S. The antibiotic darobactin mimics a β-strand to inhibit outer membrane insertase. Acta Cryst Sect A 2022. [DOI: 10.1107/s205327332209619x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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Imai Y, Ikeuchi H, Suwa J, Ohishi Y, Watanabe M, Nakasatomi M, Hamatani H, Sakairi T, Kaneko Y, Hiromura K. AB0443 LONG-TERM OUTCOMES OF MULTITARGET THERAPY OF MYCOPHENOLATE MOFETIL AND TACROLIMUS IN LUPUS NEPHRITIS: A SINGLE CENTER RETROSPECTIVE ANALYSIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundRecent studies showed the efficacy of multitarget therapy with mycophenolate mofetil (MMF) and calcineurin inhibitor for induction therapy for lupus nephritis (LN)1. However, long-term outcomes have not been well elucidated.ObjectivesWe retrospectively analyzed the long-term outcomes of multitarget therapy of MMF and tacrolimus.MethodsWe examined 27 LN patients (4 male, 23 female) treated with multitarget therapy for induction therapy between Oct. 2009 and Nov. 2018 in our department. Complete remission (CR) was defined as 1) UPCR<0.5 g/gCr, and 2) serum creatinine (S-Cr) normal or if abnormal, within 15% of baseline; 1) and 2) were observed in 2 consecutive visits. Relapse was defined as UPCR>1.0 g/gCr or intensification of immunosuppressive treatment after achievement of CR.ResultsThe mean age was 38.6±11.6 years old. 17 patients were new-onset LN, and 10 patients were relapse LN. UPCR and eGFR before treatment were 4.42±2.98 g/gCr and 71.5±32.9 mL/min/1.73m2, respectively. Renal histology was Class III in 1, III+V in 4, IV in 12. IV+V in 9 and V in 1 by ISN/RPS 2003 classification. CR at 6 and 12 months were 59% and 74%, respectively. Patients were treated by multitarget therapy for median of 25 months (IQR, 5.5-37). Finally, 26 (96%) patients achieved CR. During multitarget therapy, there were 15 serious adverse events: deep vein thrombosis in 2, myocardial infarctions in 2, cervical intraepithelial neoplasia in 2, heart failure in 1, herpes zoster in 1, viral myocarditis in 1, cytomegalovirus gastroenteritis in 1, cholecystitis in 1, pyelonephritis in 1, bacterial enteritis in 1, sepsis in 1, and breast cancer in 1. During the median observation period of 94 months (IQR, 63-111.5) after the initiation of multitarget therapy, 1 patient died due to sudden death. No patient reached end-stage kidney disease or doubling S-Cr. 16 patients relapsed at median of 32 months (IQR,13.8-64.5) after CR; 8 patients relapsed on multitarget therapy, and 8 patients relapsed after cessation of multitarget therapy. Relapse was associated with chronic lesions in renal biopsy and normal or higher C4 levels at treatment initiation by Kaplan Meier analysis (Log-rank, P=0.006, P<0.001, respectively).ConclusionMultitarget therapy effectively induced CR and maintained renal function in long-term period. However, relapse was often observed during or after withdrawal of multitarget therapy.References[1]Liu Z, Zhang H, Liu Z, et al. Multitarget therapy for induction treatment of lupus nephritis: a randomized trial. Ann Int Med 2015; 162: 18-26.Disclosure of InterestsYoichi Imai: None declared, Hidekazu Ikeuchi: None declared, Junya Suwa: None declared, Yuko Ohishi: None declared, Mitsuharu Watanabe: None declared, Masao Nakasatomi: None declared, Hiroko Hamatani: None declared, Toru Sakairi: None declared, Yoriaki Kaneko: None declared, Keiju Hiromura Speakers bureau: Chugai, Astellas., Grant/research support from: Chugai, Astellas.
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11
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Matsuura S, Shibazaki K, Uchida R, Imai Y, Mukoyama T, Shibata S, Morita H. Sarcopenia is associated with the Geriatric Nutritional Risk Index in elderly patients with poorly controlled type-2 diabetic mellitus. J Diabetes Investig 2022; 13:1366-1373. [PMID: 35290727 PMCID: PMC9340875 DOI: 10.1111/jdi.13792] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/06/2022] [Accepted: 03/13/2022] [Indexed: 11/28/2022] Open
Abstract
Aims/Introduction Diabetes and sarcopenia have a two‐way relationship with each other with advanced age. Additionally, malnutrition is correlated with a higher risk of sarcopenia in elderly patients. This study evaluated the association between sarcopenia and geriatric nutritional risk index (GNRI) in elderly patients with type 2 diabetes mellitus. Materials and Methods Patients with type 2 diabetes mellitus aged ≥60 years were recruited from June 2018 to August 2020. This study analyzed 234 patients, who completed a physical performance test required for the diagnosis of sarcopenia. To investigate the effect of GNRI on sarcopenia, logistic regression analyses was used. Results Patients with sarcopenia were significantly older with a lower body mass index (BMI) and GNRI compared with normal patients. The GNRI showed a positive correlation with the skeletal muscle index (SMI) and handgrip strength (SMI: R = 0.486, P < 0.001 for male; R = 0.589, P < 0.001 for female, handgrip strength: R = 0.470, P < 0.001 for male, R = 0.364, P < 0.001 for female). In the multivariate logistic regression model, a higher GNRI was associated with a lower risk of sarcopenia in older men and women with diabetes (adjusted odds ratio [OR], 0.892; 95% confidence interval [CI], 0.839–0.948 for male; adjusted OR, 0.928; 95% CI, 0.876–0.982 for female). One year of diabetes treatment improved the GNRI in the sarcopenia group with type 2 diabetes mellitus. Conclusions A low GNRI was associated with an increased risk of sarcopenia in elderly patients with type 2 diabetes mellitus. Treatment with glucose‐lowering drugs improved the GNRI in the sarcopenia group.
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Affiliation(s)
- Shun Matsuura
- Division of Diabetes Endocrinology medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka, 426-8677, Japan.,Division of Respiratory Internal medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka, 426-8677, Japan
| | - Koji Shibazaki
- Division of Diabetes Endocrinology medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka, 426-8677, Japan
| | - Reiko Uchida
- Division of Diabetes Endocrinology medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka, 426-8677, Japan
| | - Yukiko Imai
- Division of Diabetes Endocrinology medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka, 426-8677, Japan
| | - Takuya Mukoyama
- Division of Diabetes Endocrinology medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka, 426-8677, Japan
| | - Shoko Shibata
- Division of Diabetes Endocrinology medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka, 426-8677, Japan
| | - Hiroshi Morita
- Division of Diabetes Endocrinology medicine, Fujieda Municipal General Hospital, 4-1-11, Surugadai, Fujieda, Shizuoka, 426-8677, Japan
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12
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Imai Y, Mizuno Tanaka S, Satoh M, Hirata T, Murakami Y, Miura K, Waki T, Hirata A, Sairenchi T, Irie F, Sata M, Ninomiya T, Ohkubo T, Ishikawa S, Miyamoto Y, Ohnishi H, Saitoh S, Tamakoshi A, Yamada M, Kiyama M, Iso H, Sakata K, Nakagawa H, Okayama A, Ueshima H, Okamura T. Prediction of Lifetime Risk of Cardiovascular Disease Deaths Stratified by Sex in the Japanese Population. J Am Heart Assoc 2021; 10:e021753. [PMID: 34845914 PMCID: PMC9075349 DOI: 10.1161/jaha.121.021753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Background Lifetime risk is an informative estimate for driving lifestyle and behavioral changes especially for young adults. The impact of composite risk factors for cardiovascular disease on lifetime risk stratified by sex has not been investigated in the Japanese population, which has a much lower mortality of coronary heart disease compared with the Western population. We aimed to estimate lifetime risk of death from cardiovascular disease attributable to traditional risk factors. Methods and Results We analyzed pooled individual data from the Evidence for Cardiovascular Prevention from Observational Cohorts in a Japanese cohort study. A modified Kaplan–Meier approach was used to estimate the remaining lifetime risk of cardiovascular death. In total, 41 002 Japanese men and women with 537 126 person‐years of follow‐up were included. The lifetime risk at the index‐age of 45 years for those with optimal risk factors (total cholesterol <4.65 mmol/L, systolic blood pressure <120 mm Hg, diastolic blood pressure <80 mm Hg, absence of diabetes, and absence of smoking habit) was lower compared with the highest risk profile of ≥2 risk factors (6.8% [95% CI, 0%–11.9%] versus 19.4% [16.7%–21.4%] for men and 6.9% [1.2%–11.5%] versus 15.4% [12.6%–18.1%] for women). Conclusions The magnitude and the number of risk factors were progressively associated with increased lifetime risk even in individuals in early adulthood who tend to have low short‐term risk. The degree of established cardiovascular risk factors can be converted into lifetime risk. Our findings may be useful for risk communication in the early detection of future cardiovascular disease risk.
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Affiliation(s)
- Yukiko Imai
- Department of Preventive Medicine and Public Health School of Medicine Keio University Tokyo Japan
| | | | - Michihiro Satoh
- Division of Public Health, Hygiene, and Epidemiology Tohoku Medical and Pharmaceutical University Sendai Japan
| | - Takumi Hirata
- Department of Public Health Hokkaido University Faculty of Medicine Sapporo Japan
| | - Yoshitaka Murakami
- Department of Medical Statistics Toho University School of Medicine Tokyo Japan
| | - Katsuyuki Miura
- Department of Public Health Center for Epidemiologic Research in AsiaShiga University of Medical Science Shiga Japan
| | - Takashi Waki
- Department of Medical Statistics Shiga University of Medical Science Shiga Japan
| | - Aya Hirata
- Department of Preventive Medicine and Public Health School of Medicine Keio University Tokyo Japan
| | - Toshimi Sairenchi
- Department of Public Health Dokkyo Medical University School of Medicine Tochigi Japan
| | - Fujiko Irie
- Department of Health and Welfare Ibaraki Prefectural Office Ibaraki Japan
| | - Mizuki Sata
- Department of Preventive Medicine and Public Health School of Medicine Keio University Tokyo Japan
| | - Toshiharu Ninomiya
- Department of Epidemiology and Public Health, Graduate School of Medical Sciences Kyushu University Fukuoka Japan
| | - Takayoshi Ohkubo
- Department of Hygiene and Public Health Teikyo University School of Medicine Tokyo Japan
| | | | - Yoshihiro Miyamoto
- Department of Preventive Medicine and Epidemiologic Informatics National Cerebral and Cardiovascular Center Osaka Japan
| | - Hirofumi Ohnishi
- Department of Public Health Sapporo Medical University Sapporo Japan
| | - Shigeyuki Saitoh
- Department of Nursing Sapporo Medical University School of Health Sciences Sapporo Japan
| | - Akiko Tamakoshi
- Department of Public Health Hokkaido University Faculty of Medicine Sapporo Japan
| | - Michiko Yamada
- Department of Clinical Studies Radiation Effects Research Foundation Hiroshima Japan
| | - Masahiko Kiyama
- Osaka Center for Cancer and Cardiovascular Disease Prevention Osaka Japan
| | - Hiroyasu Iso
- Public Health, Department of Social Medicine Osaka University Graduate School of Medicine Osaka Japan
| | - Kiyomi Sakata
- Department of Hygiene and Preventive Medicine Iwate Medical University School of Medicine Iwate Japan
| | - Hideaki Nakagawa
- Department of Social and Environmental Medicine Kanazawa Medical University Kanazawa Japan
| | - Akira Okayama
- Research Institute of Strategy for Prevention Tokyo Japan
| | - Hirotsugu Ueshima
- Department of Public Health Center for Epidemiologic Research in AsiaShiga University of Medical Science Shiga Japan
| | - Tomonori Okamura
- Department of Preventive Medicine and Public Health School of Medicine Keio University Tokyo Japan
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13
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Abstract
Recent studies in zebrafish have revealed key features of meiotic chromosome dynamics, including clustering of telomeres in the bouquet configuration, biogenesis of chromosome axis structures, and the assembly and disassembly of the synaptonemal complex that aligns homologs end-to-end. The telomere bouquet stage is especially pronounced in zebrafish meiosis and sub-telomeric regions play key roles in mediating pairing and homologous recombination. In this review, we discuss the temporal progression of these events in meiosis prophase I and highlight the roles of proteins associated with meiotic chromosome architecture in homologous recombination. Finally, we discuss the interplay between meiotic mutants and gonadal sex differentiation and future research directions to study meiosis in living cells, including cell culture.
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Affiliation(s)
- Yukiko Imai
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan
| | - Ivan Olaya
- Department of Molecular and Cellular Biology, University of California, Davis, Davis, CA, United States.,Integrative Genetics and Genomics Graduate Group, University of California, Davis, Davis, CA, United States
| | - Noriyoshi Sakai
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan.,Department of Genetics, School of Life Sciences, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Japan
| | - Sean M Burgess
- Department of Molecular and Cellular Biology, University of California, Davis, Davis, CA, United States
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14
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Kumagai K, Yagi S, Yamaguchi T, Nagashima K, Nomura T, Watanabe M, Makuuchi R, Kawakami K, Otsuka S, Matsushima T, Kadowaki S, Haruta S, Cho H, Yamada T, Kakihara N, Imai Y, Fukunaga H, Saeki Y, Kanaji S, Boku N, Goto M. P-83 The efficacy of chemotherapy for gastric cancer with early recurrence during or after adjuvant S-1. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.138] [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: 10/20/2022] Open
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15
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Imai Y, Sakurai M, Hideaki N, Hirata A, Murakami Y, Tanaka S, Kiyohara Y, Ninomiya T, Ishikawa S, Saitoh S, Irie F, Sairenchi T, Kiyama M, Miura K, Ueshima H, Okamura T. Abstract MP29: Combined Impact Of Chronic Kidney Disease And Hypertension On Lifetime Risk Of Cardiovascular Disease Death: A Pooled Analysis Of Data From The Evidence For Cardiovascular Prevention From Observational Cohorts In Japan Study. Circulation 2021. [DOI: 10.1161/circ.143.suppl_1.mp29] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction:
Those who are considered to be low risk in short term such as 10 year risk actually have high risk of cardiovascular disease for the remaining lifespan at younger age. Absolute risk of Lifetime risk (LTR) is more useful and understandable for lay audience compared with short term risk or relative risk. CKD (Chronic Kidney Disease) is global burden of cardiovascular disease (CVD) and hypertension is damaging complication of CKD for CVD. To date, there have been no reports of LTR with the outcome of CVD death based on CKD in Asian population.
Hypothesis:
We sought to estimate LTR of CVD death stratified by the status of CKD and hypertension.
Methods:
We used data from EPOCH-JAPAN (Evidence for Cardiovascular Prevention From Observational Cohorts in Japan) which is designed to pool data from nationwide and regional cohort studies in Japan. Modified Kaplan-Meier approach was used to estimate the remaining lifetime risk of cardiovascular death at each index age starting from 40 years according to CKD stratified by Hypertension. Participants were classified into four groups, which were those without CKD and hypertension (CKD-/HT-), those with CKD but without hypertension (CKD+/HT-), those without CKD but with hypertension (CKD-/HT+), and those with both CKD and hypertension (CKD+/HT+).
Results:
A total of 44,582 participants from 8 cohorts was included in the analysis. Mean follow-up period was 14.9 years with 662,488 person years and total CVD death was 1,035 in men and 1,160 in women. The LTRs at the index age of 40 years increased in groups with CKD and/or HT as follows: 12.6% (95% confidence interval: 9.4 - 14.5%) in CKD-/HT- group, 20.6% (11.4 - 25.9%) in CKD+/HT- group, 23.2% (19.9 - 25.2%) in CKD-/HT+ group, and 27.9% (21.7 - 32.9%) in CKD+/HT+ group for men; 11.3%(8.9 - 13.2%), 17.4%(13.2 - 20.4%) , 17.8%(15.3 - 19.8%) , and 22.7%(19.5 - 25.2%) for women.
Conclusions:
We observed that complication of CKD and hypertension are collectively responsible for lifetime risk due to CVD death. Management of blood pressure from an early age is important to reduce CVD mortality in CKD patients.
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Affiliation(s)
| | | | | | | | | | | | - Yutaka Kiyohara
- Hisayama Rsch Institute for Lifestyle Diseases, Fukuoka, Japan
| | | | | | | | | | | | - Masahiko Kiyama
- Osaka Cntr for Cancer and Cardiovascular Disease Prevention, Osaka, Japan
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16
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Imai Y, Sakurai M, Nakagawa H, Hirata A, Murakami Y, Kiyohara Y, Ninomiya T, Ishikawa S, Saitoh S, Irie F, Sairenchi T, Kiyama M, Miura K, Ueshima H, Okamura T. Impact of Proteinuria and Low eGFR on Lifetime Risk of Cardiovascular Disease Death: A Pooled Analysis of Data From the Evidence for Cardiovascular Prevention From Observational Cohorts in Japan Study. Eur J Prev Cardiol 2021. [DOI: 10.1093/eurjpc/zwab061.179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): H20–Junkankitou [Seishuu]–Ippan–013; H23–Junkankitou [Seishuu]–Ippan–005; H26-Junkankitou [Seisaku]-Ippan-001; H29–Junkankitou–Ippan–003 and 20FA1002
OnBehalf
EPOCH-JAPAN
Introduction
Absolute risk of Lifetime risk (LTR) is useful estimate for risk communication compared with short term risk or relative risk especially for young people. Proteinuria is leading cause of end-stage kidney disease (ESKD) and independent risk factor for cardiovascular disease (CVD). Although nonproteinuric renal disease is global burden of ESKD, it has been poorly focused. To date, there have been no reports of impact of proteinuria and low eGFR on LTR with the outcome of CVD death in Asian population.
Purpose
We aimed to estimate LTR of CVD death stratified by the status of proteinuria and low eGFR.
Methods
We used modified Kaplan-Meier approach to estimate the remaining lifetime risk of cardiovascular death based on EPOCH-JAPAN(Evidence for Cardiovascular Prevention From Observational Cohorts in Japan) database. LTR was estimated at each index age starting from 40 years for those with proteinuria and without proteinuria stratified by low eGFR, which is defined as eGFR <60 ml/min/1.73 m². Participants were classified into three groups, which were those with proteinuria (Proteinuria (+)), those without proteinuria with low eGFR (Proteinuria (-)/Low eGFR (+)), those without proteinuria without low eGFR (Proteinuria (-)/Low eGFR (-)).
Results
A total of 47,292 participants from 9 cohorts was included in the analysis. Mean follow-up period was 14.6 years with 690,463 person years and total CVD death was 1,075 in men and 1,193 in women. The LTRs at the index age of 40 years were as follows: 17.7% (95% confidence interval: 15.4 – 19.0%) in Proteinuria (-)/Low eGFR (-) group, 26.2% (20.2 – 31.1%) in Proteinuria (-)/low eGFR (+) group, 24.5% (15.1 – 29.3%) in Proteinuria (+) group for men; 15.3%(13.7 – 16.5%), 29.9%(14.7 – 46.8%) , 28.3%(19.4 – 34.7%) for women.
Conclusions
We observed that those without proteinuria with low eGFR have equivalently high LTR with those with proteinuria. These results indicate that even in the absence of proteinuria, low eGFR has high impact on LTR. Lifestyle modification from young age is necessary to prevent from renal dysfunction.
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Affiliation(s)
- Y Imai
- Keio University School of Medicine, Tokyo, Japan
| | - M Sakurai
- Kanazawa Medical University, Department of Epidemiology and Public Health, Kanazawa, Japan
| | - H Nakagawa
- Kanazawa Medical University, Department of Epidemiology and Public Health, Kanazawa, Japan
| | - A Hirata
- Keio University School of Medicine, Tokyo, Japan
| | - Y Murakami
- Toho University, Department of Medical Statistics, Tokyo, Japan
| | - Y Kiyohara
- Hisayama Research Institute for Lifestyle Disease, Fukuoka, Japan
| | - T Ninomiya
- Kyushu University Graduate School of Medical Sciences, Department of Epidemiology and Public Health, Fukuoka, Japan
| | - S Ishikawa
- Jichi Medical University, Medical Education Center, Tochigi, Japan
| | - S Saitoh
- Sapporo Medical University School of Health Sciences, Department of Nursing, Hokkaido, Japan
| | - F Irie
- Ibaraki Prefectural Office, Department of Health and Welfare, Ibaraki, Japan
| | - T Sairenchi
- Dokkyo Medical University School of Medicine, Department of Public Health, Tochigi, Japan
| | - M Kiyama
- Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - K Miura
- Shiga University of Medical Science, Department of Public Health, Shiga, Japan
| | - H Ueshima
- Shiga University of Medical Science, Department of Public Health, Shiga, Japan
| | - T Okamura
- Keio University School of Medicine, Tokyo, Japan
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17
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Imai Y, Saito K, Takemoto K, Velilla F, Kawasaki T, Ishiguro KI, Sakai N. Sycp1 Is Not Required for Subtelomeric DNA Double-Strand Breaks but Is Required for Homologous Alignment in Zebrafish Spermatocytes. Front Cell Dev Biol 2021; 9:664377. [PMID: 33842489 PMCID: PMC8033029 DOI: 10.3389/fcell.2021.664377] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 03/09/2021] [Indexed: 12/31/2022] Open
Abstract
In meiotic prophase I, homologous chromosomes are bound together by the synaptonemal complex, in which two axial elements are connected by transverse filaments and central element proteins. In human and zebrafish spermatocytes, homologous recombination and assembly of the synaptonemal complex initiate predominantly near telomeres. In mice, synapsis is not required for meiotic double-strand breaks (DSBs) and homolog alignment but is required for DSB repair; however, the interplay of these meiotic events in the context of peritelomeric bias remains unclear. In this study, we identified a premature stop mutation in the zebrafish gene encoding the transverse filament protein Sycp1. In sycp1 mutant zebrafish spermatocytes, axial elements were formed and paired at chromosome ends between homologs during early to mid-zygonema. However, they did not synapse, and their associations were mostly lost in late zygotene- or pachytene-like stages. In sycp1 mutant spermatocytes, γH2AX signals were observed, and Dmc1/Rad51 and RPA signals appeared predominantly near telomeres, resembling wild-type phenotypes. We observed persistent localization of Hormad1 along the axis in sycp1 mutant spermatocytes, while the majority of Iho1 signals appeared and disappeared with kinetics similar to those in wild-type spermatocytes. Notably, persistent Iho1 foci were observed in spo11 mutant spermatocytes, suggesting that Iho1 dissociation from axes occurs in a DSB-dependent manner. Our results demonstrated that Sycp1 is not required for peritelomeric DSB formation but is necessary for complete pairing of homologs in zebrafish meiosis.
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Affiliation(s)
- Yukiko Imai
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan
| | - Kenji Saito
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan
| | - Kazumasa Takemoto
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan
| | - Fabien Velilla
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan
| | - Toshihiro Kawasaki
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan.,Department of Genetics, School of Life Sciences, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Japan
| | - Kei-Ichiro Ishiguro
- Department of Chromosome Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Noriyoshi Sakai
- Department of Gene Function and Phenomics, National Institute of Genetics, Mishima, Japan.,Department of Genetics, School of Life Sciences, SOKENDAI (The Graduate University for Advanced Studies), Mishima, Japan
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18
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Affiliation(s)
- Junya Oshima
- Department of Plastic, Reconstructive, and Hand Surgery, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Yukiko Imai
- Department of Plastic, Reconstructive, and Hand Surgery, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Kaoru Sasaki
- Department of Plastic, Reconstructive, and Hand Surgery, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Mitsuru Sekido
- Department of Plastic, Reconstructive, and Hand Surgery, University of Tsukuba, Tsukuba, Ibaraki, Japan
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19
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Imai Y, Biot M, Clément JA, Teragaki M, Urbach S, Robert T, Baudat F, Grey C, de Massy B. PRDM9 activity depends on HELLS and promotes local 5-hydroxymethylcytosine enrichment. eLife 2020; 9:57117. [PMID: 33047671 PMCID: PMC7599071 DOI: 10.7554/elife.57117] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 03/20/2020] [Accepted: 09/16/2020] [Indexed: 12/13/2022] Open
Abstract
Meiotic recombination starts with the formation of DNA double-strand breaks (DSBs) at specific genomic locations that correspond to PRDM9-binding sites. The molecular steps occurring from PRDM9 binding to DSB formation are unknown. Using proteomic approaches to find PRDM9 partners, we identified HELLS, a member of the SNF2-like family of chromatin remodelers. Upon functional analyses during mouse male meiosis, we demonstrated that HELLS is required for PRDM9 binding and DSB activity at PRDM9 sites. However, HELLS is not required for DSB activity at PRDM9-independent sites. HELLS is also essential for 5-hydroxymethylcytosine (5hmC) enrichment at PRDM9 sites. Analyses of 5hmC in mice deficient for SPO11, which catalyzes DSB formation, and in PRDM9 methyltransferase deficient mice reveal that 5hmC is triggered at DSB-prone sites upon PRDM9 binding and histone modification, but independent of DSB activity. These findings highlight the complex regulation of the chromatin and epigenetic environments at PRDM9-specified hotspots.
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Affiliation(s)
- Yukiko Imai
- Institut de Génétique Humaine (IGH), Centre National de la Recherche Scientifique, Univ Montpellier, Montpellier, France
| | - Mathilde Biot
- Institut de Génétique Humaine (IGH), Centre National de la Recherche Scientifique, Univ Montpellier, Montpellier, France
| | - Julie Aj Clément
- Institut de Génétique Humaine (IGH), Centre National de la Recherche Scientifique, Univ Montpellier, Montpellier, France
| | - Mariko Teragaki
- Institut de Génétique Humaine (IGH), Centre National de la Recherche Scientifique, Univ Montpellier, Montpellier, France
| | - Serge Urbach
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Thomas Robert
- Institut de Génétique Humaine (IGH), Centre National de la Recherche Scientifique, Univ Montpellier, Montpellier, France
| | - Frédéric Baudat
- Institut de Génétique Humaine (IGH), Centre National de la Recherche Scientifique, Univ Montpellier, Montpellier, France
| | - Corinne Grey
- Institut de Génétique Humaine (IGH), Centre National de la Recherche Scientifique, Univ Montpellier, Montpellier, France
| | - Bernard de Massy
- Institut de Génétique Humaine (IGH), Centre National de la Recherche Scientifique, Univ Montpellier, Montpellier, France
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Imai Y, Nagai N, Yasuda K, Kusakabe M, Inoue Y, Natsuaki M, Yamanishi K. 316 Dupilumab effects on the circulating ILC2 population and ILC2/3 repertoire in patients with atopic dermatitis. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.323] [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: 11/24/2022]
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Kinoshita M, Kaneko Y, Watanabe M, Imai Y, Shrestha S, Suwa J, Ohishi Y, Hamatani H, Nakasatomi M, Sakairi T, Ikeuchi H, Nojima Y, Hiromura K. OP0306 CD11C-SPECIFIC ABLATION OF SHP1 INDUCES AUTOIMMUNE SIALADENITIS SIMILAR TO SJÖGREN’S SYNDROME. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Dendritic cells (DCs) play important roles in inducing immune response as well as maintaining immune tolerance. Src homology 2 domain-containing protein tyrosine phosphatase-1 (Shp1) is a negative regulator of signaling in hematopoietic cells and is expressed in a variety of immune cells including DCs. Shp1 homozygous mutant mice (motheaten mice) develop multiple immunological abnormalities and they die around four weeks after birth because of severe pneumonitis. Motheaten mice produce large amounts of autoantibodies, and besides, B-1a cells, a distinct B cell subset, which are an important source of autoantibodies increase in these mice. The functional abnormality of DCs in motheaten mice has not been characterized, but DCs and macrophages increase in various organs of motheaten mice.To analyze the function of Shp1 in DCs, we generated Shp1 conditional knockout mice (Shp1 CKO) in whichShp1gene is specifically depleted in CD11c+cells. We found that aged shp1 CKO developed autoimmune glomerulonephritis. We also found that they developed severe tubulointerstitial nephritis (TIN) at the age of 40 weeks, which is characterized by the infiltration of CD11c+and F4/80+cells. CD4+T cells from Shp1 CKO produce much more amount of IFNγ. Collectively, Shp1 in DCs acts as a key regulatory molecule to protect against autoimmunity.Objectives:We analyzed salivary glands of CKO to confirm whether they have autoimmune sialadenitis because TIN is known to be the most common renal manifestations of Sjögren’s syndrome in human.Methods:Shp1 CKO are generated by crossing a mouse line carrying floxedShp1allele to mice expressing Cre recombinase under the control of the CD11c promoter. Sex- and age-matchedPtpn6fl/fllittermates withoutCregene were studied as controls. We analyzed secretory function of the salivary glands in response to pilocarpine stimulation in Shp1 CKO at the age of 40 weeks or older. We then performed histological examination of salivary glands (submandibular glands and sublingual glands) with light-microscopy and immunohistochemical staining. The mononuclear cells prepared from the salivary glands were analyzed by flow cytometry (FCM). We also quantified anti-SSA/Ro60 antibodies and anti-SSB/LA antibodies by ELISA.Results:Shp1 CKO secreted less saliva flow compared to control mice by pilocarpine stimulation. Histological study showed Shp1 CKO exhibited massive infiltration of inflammatory cells in salivary glands associated with periductal foci and periductal fibrosis. Most of infiltrated cells were stained by anti- CD4 or B220 mAbs. FCM revealed that B cells increased in the salivary glands of Shp1 CKO. In addition, B-1a cells also increased in the salivary glands of the mice. The levels of anti-SSA/Ro60 antibodies and anti-SSB/LA antibodies were increased in Shp1 CKO.Conclusion:CD11c-specific ablation of Shp1 induces the ectopic generation of lymphoid structure in salivary glands and impairment of salivary secretion. Autoantibody profile in Shp1 CKO resembled that in human Sjögren’s syndrome. Our findings suggest that aged Shp1 CKO have the potential to become a new mouse model for the analysis of Sjögren’s syndrome.References:[1]Green C. M. et al. J Heredity. 1975; 250-258.[2]Kaneko T. et al. J Immunology. 2012; 5397-540.[3]Watanabe M. et al. Biochem Biophys Rep. in press.Disclosure of Interests:Masato Kinoshita: None declared, Yoriaki Kaneko Grant/research support from: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc.b, Speakers bureau: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc., Mitsuharu Watanabe: None declared, Yoichi Imai: None declared, Shreya Shrestha: None declared, Junya Suwa: None declared, Yuko Ohishi: None declared, Hiroko Hamatani: None declared, Masao Nakasatomi: None declared, Toru Sakairi: None declared, Hidekazu Ikeuchi Speakers bureau: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc., Yoshihisa Nojima: None declared, Keiju Hiromura Grant/research support from: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc., Speakers bureau: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc.
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Imai Y, Ikeuchi H, Suwa J, Ohishi Y, Watanabe M, Nakasatomi M, Hamatani H, Sakairi T, Kaneko Y, Hiromura K. SAT0177 MULTITARGET THERAPY WITH TACROLIMUS AND MYCOPHENOLATE MOFETIL FOR TREATMENT OF LUPUS NEPHRITIS PRESENTED WITH RAPIDLY PROGRESSIVE GLOMERULONEPHRITIS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Although, most lupus nephritis patients present with chronic glomerulonephritis or nephrotic syndrome, some patients develop rapidly progressive glomerulonephritis (RPGN), which is a clinical syndrome characterized by rapid loss of renal function over a short period of time (days to months). Multitarget therapy using tacrolimus and mycophenolate mofetil (MMF) has been reported to be effective as induction therapy of Class III to Class V lupus nephritis1. However, its efficacy on lupus nephritis presented with RPGN has not been well reported.Objectives:We aimed to examine the efficacy of multitarget therapy on lupus nephritis presented with RPGN.Methods:We retrospectively analyzed patients with biopsy-proven lupus nephritis, who clinically showed RPGN, and were treated by multitarget therapy with tacrolimus and MMF in our department. Data were expressed as mean±SD.Results:Five lupus nephritis patients (3 female) with RPGN were treated by multitarget therapy as induction therapy. Mean age was 36.6±13.5 years old. Renal biopsy at treatment revealed Class IV(A) in 2, Class IV(A+C) in 1 and Class IV(A)+V in 2. The percentage of glomerular crescents was 23.1±25.4%. eGFR and proteinuria at the initiation of treatment were 46.8±11.5 mL/min/1.73m2and 7.7±3.4 g/gCr, respectively. Patients were initially treated with methylprednisolone pulse therapy followed by 0.8-1.0 mg/kg of prednisolone (PSL), 2-3 mg/day of tacrolimus and 1000 mg/day of MMF. At 6 months, eGFR and proteinuria improved to 72.9±11.3 mL/min/1.73m2and 0.19±0.13 g/gCr, respectively. At 12 months, eGFR and proteinuria further improved to 76.8±7.8 mL/min/1.73m2and 0.10±0.07 g/gCr, respectively and the dose of PSL was reduced to 6.6±1.5 mg/day. Three patients became positive for cytomegalovirus antigenemia and were successfully treated with antiviral therapy.Conclusion:Multitarget therapy is effective in lupus nephritis even in patients presented with RPGN.References:[1]Liu Z, Zhang H, Liu Z,et al. Multitarget therapy for induction treatment of lupus nephritis: a randomized trial.Ann Int Med2015; 162: 18-26.Disclosure of Interests:Yoichi Imai: None declared, Hidekazu Ikeuchi Speakers bureau: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc., Junya Suwa: None declared, Yuko Ohishi: None declared, Mitsuharu Watanabe: None declared, Masao Nakasatomi: None declared, Hiroko Hamatani: None declared, Toru Sakairi: None declared, Yoriaki Kaneko Grant/research support from: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc. b, Speakers bureau: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc., Keiju Hiromura Grant/research support from: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc., Speakers bureau: CHUGAI PHARMACEUTICAL CO., LTD.Astellas Pharma Inc.
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Mori N, Akagi Y, Imai Y, Takayama Y, Kida YS. Fabrication of Perfusable Vascular Channels and Capillaries in 3D Liver-like Tissue. Sci Rep 2020; 10:5646. [PMID: 32286353 PMCID: PMC7156376 DOI: 10.1038/s41598-020-62286-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 03/11/2020] [Indexed: 12/21/2022] Open
Abstract
Although various production methods for 3D vascularised tissues have been developed, constructing capillary-like structures branching from perfusable large channels remains difficult. This study describes a method to fabricate tube-shaped 3D liver-like tissue (tubular liver tissue) with large channels and capillary-like structures using a perfusion device. The perfusion device functions as an interface between the tissue and an external pump, as it has connectors equipped with anchors that hold the tissue in response to its shrinkage, which is accompanied by the self-organisation of capillary-like structures. Histological analysis revealed that perfusion via the large channel induced capillary formation around the channel and maintained proper tissue functions. Accompanied by structural examinations, global gene expression analysis supported this finding; specifically, genes involved in angiogenesis were enriched in the perfused condition. Furthermore, we confirmed the penetrability of the capillary-like structures by infusing India ink, as well as substance exchange by measuring the amounts of secreted albumin. These lines of evidence indicate that our method can be used to construct 3D tissues, which is useful for fields of in vitro tissue regeneration for drug development and regenerative medicine.
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Affiliation(s)
- Nobuhito Mori
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Yuka Akagi
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan.,Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Yukiko Imai
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan.,Department of Plastic and Reconstructive Surgery, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Yuzo Takayama
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Yasuyuki S Kida
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan. .,Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan.
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Gou B, Arvieux J, Aulenbacher K, Ríos DB, Baunack S, Becker D, Capozza L, Deconinck W, Diefenbach J, Frascaria R, Gorchtein M, Gläser B, von Harrach D, Imai Y, Kabuß EM, Kothe R, Kowalski S, Kunne R, Maas FE, Merkel H, Espí MCM, Morlet M, Müller U, Ong S, Schilling E, Weinrich C, van de Wiele J, Zambrana M, Zimmermann I. Study of Two-Photon Exchange via the Beam Transverse Single Spin Asymmetry in Electron-Proton Elastic Scattering at Forward Angles over a Wide Energy Range. Phys Rev Lett 2020; 124:122003. [PMID: 32281834 DOI: 10.1103/physrevlett.124.122003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 02/28/2020] [Accepted: 02/28/2020] [Indexed: 06/11/2023]
Abstract
We report on a new measurement of the beam transverse single spin asymmetry in electron-proton elastic scattering, A_{⊥}^{ep}, at five beam energies from 315.1 to 1508.4 MeV and at a scattering angle of 30°<θ<40°. The covered Q^{2} values are 0.032, 0.057, 0.082, 0.218, 0.613 (GeV/c)^{2}. The measurement clearly indicates significant inelastic contributions to the two-photon-exchange (TPE) amplitude in the low-Q^{2} kinematic region. No theoretical calculation is able to reproduce our result. Comparison with a calculation based on unitarity, which only takes into account elastic and πN inelastic intermediate states, suggests that there are other inelastic intermediate states such as ππN, KΛ, and ηN. Covering a wide energy range, our new high-precision data provide a benchmark to study those intermediate states.
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Affiliation(s)
- B Gou
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
- Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, Staudingerweg 18, D-55099 Mainz, Germany
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J Arvieux
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - K Aulenbacher
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
- Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, Staudingerweg 18, D-55099 Mainz, Germany
| | - D Balaguer Ríos
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - S Baunack
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - D Becker
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - L Capozza
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
- Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, Staudingerweg 18, D-55099 Mainz, Germany
| | - W Deconinck
- Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - J Diefenbach
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - R Frascaria
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - M Gorchtein
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - B Gläser
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - D von Harrach
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - Y Imai
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - E-M Kabuß
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - R Kothe
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - S Kowalski
- Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - R Kunne
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - F E Maas
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
- Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, Staudingerweg 18, D-55099 Mainz, Germany
| | - H Merkel
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - M C Mora Espí
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - M Morlet
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - U Müller
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - S Ong
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - E Schilling
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - C Weinrich
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - J van de Wiele
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - M Zambrana
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
- Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, Staudingerweg 18, D-55099 Mainz, Germany
| | - I Zimmermann
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
- Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, Staudingerweg 18, D-55099 Mainz, Germany
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Sasaki K, Fujita Y, Imai Y, Oshima J, Sasaki M, Aihara Y, Sekido M. Total upper and lower eyelid reconstruction using periosteal flap canthoplasty combined with auricular cartilage and oral mucosa grafts. Eur J Plast Surg 2019. [DOI: 10.1007/s00238-019-01556-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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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NAKAYAMA S, Satoh M, Metoki H, Murakami T, Kikuya M, Mori T, Hozawa A, Node K, Imai Y, Ohkubo T. SUN-224 N-TERMINAL PRO-B-TYPE NATRIURETIC PEPTIDE IS A PREDICTOR OF CHRONIC KIDNEY DISEASE INCIDENCE IN AN ASIAN GENERAL POPULATION:THE OHASAMA STUDY. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.628] [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: 11/25/2022] Open
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Imai Y, Yamamoto T, Sekimoto A, Okano Y, Sato R, Shigeta Y. Numerical investigation of the nano-scale solutal Marangoni convections. J Taiwan Inst Chem Eng 2019. [DOI: 10.1016/j.jtice.2018.05.015] [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] [Indexed: 10/16/2022]
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Dobrian AD, Morris MA, Taylor-Fishwick DA, Holman TR, Imai Y, Mirmira RG, Nadler JL. Role of the 12-lipoxygenase pathway in diabetes pathogenesis and complications. Pharmacol Ther 2018; 195:100-110. [PMID: 30347209 DOI: 10.1016/j.pharmthera.2018.10.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [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: 02/08/2023]
Abstract
12-lipoxygenase (12-LOX) is one of several enzyme isoforms responsible for the metabolism of arachidonic acid and other poly-unsaturated fatty acids to both pro- and anti-inflammatory lipid mediators. Mounting evidence has shown that 12-LOX plays a critical role in the modulation of inflammation at multiple checkpoints during diabetes development. Due to this, interventions to limit pro-inflammatory 12-LOX metabolites either by isoform-specific 12-LOX inhibition, or by providing specific fatty acid substrates via dietary intervention, has the potential to significantly and positively impact health outcomes of patients living with both type 1 and type 2 diabetes. To date, the development of truly specific and efficacious inhibitors has been hampered by homology of LOX family members; however, improvements in high throughput screening have improved the inhibitor landscape. Here, we describe the function and role of human 12-LOX, and mouse 12-LOX and 12/15-LOX, in the development of diabetes and diabetes-related complications, and describe promise in the development of strategies to limit pro-inflammatory metabolites, primarily via new small molecule 12-LOX inhibitors.
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Affiliation(s)
- A D Dobrian
- Department of Physiological Sciences, Eastern Virginia Medical School, Norfolk, VA, United States
| | - M A Morris
- Department of Internal Medicine, Eastern Virginia Medical School, Norfolk, VA, United States
| | - D A Taylor-Fishwick
- Department of Microbiology, Cell and Molecular Biology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - T R Holman
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, CA, United States
| | - Y Imai
- University of Iowa Carver College of Medicine, Fraternal Order of Eagles Diabetes Research Center, University of Iowa, Iowa, city, IA, United States
| | - R G Mirmira
- Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - J L Nadler
- Department of Internal Medicine, Eastern Virginia Medical School, Norfolk, VA, United States.
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Tanaka R, Lee SW, Kawai M, Tashiro K, Imai Y, Uchiyama K. Incidence and risk factors of postoperative delirium in elderly patients who underwent gastrectomy for gastric cancer. Clin Nutr 2018. [DOI: 10.1016/j.clnu.2018.06.2086] [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: 11/16/2022]
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Gnatiuc L, Herrington WG, Halsey J, Tuomilehto J, Fang X, Kim HC, De Bacquer D, Dobson AJ, Criqui MH, Jacobs DR, Leon DA, Peters SAE, Ueshima H, Sherliker P, Peto R, Collins R, Huxley RR, Emberson JR, Woodward M, Lewington S, Aoki N, Arima H, Arnesen E, Aromaa A, Assmann G, Bachman DL, Baigent C, Bartholomew H, Benetos A, Bengtsson C, Bennett D, Björkelund C, Blackburn H, Bonaa K, Boyle E, Broadhurst R, Carstensen J, Chambless L, Chen Z, Chew SK, Clarke R, Cox C, Curb JD, D'Agostino R, Date C, Davey Smith G, De Backer G, Dhaliwal SS, Duan XF, Ducimetiere P, Duffy S, Eliassen H, Elwood P, Empana J, Garcia-Palmieri MH, Gazes P, Giles GG, Gillis C, Goldbourt U, Gu DF, Guasch-Ferre M, Guize L, Haheim L, Hart C, Hashimoto S, Hashimoto T, Heng D, Hjermann I, Ho SC, Hobbs M, Hole D, Holme I, Horibe H, Hozawa A, Hu F, Hughes K, Iida M, Imai K, Imai Y, Iso H, Jackson R, Jamrozik K, Jee SH, Jensen G, Jiang CQ, Johansen NB, Jorgensen T, Jousilahti P, Kagaya M, Keil J, Keller J, Kim IS, Kita Y, Kitamura A, Kiyohara Y, Knekt P, Knuiman M, Kornitzer M, Kromhout D, Kronmal R, Lam TH, Law M, Lee J, Leren P, Levy D, Li YH, Lissner L, Luepker R, Luszcz M, MacMahon S, Maegawa H, Marmot M, Matsutani Y, Meade T, Morris J, Morris R, Murayama T, Naito Y, Nakachi K, Nakamura M, Nakayama T, Neaton J, Nietert PJ, Nishimoto Y, Norton R, Nozaki A, Ohkubo T, Okayama A, Pan WH, Puska P, Qizilbash N, Reunanen A, Rimm E, Rodgers A, Saitoh S, Sakata K, Sato S, Schnohr P, Schulte H, Selmer R, Sharp D, Shifu X, Shimamoto K, Shipley M, Silbershatz H, Sorlie P, Sritara P, Suh I, Sutherland SE, Sweetnam P, Tamakoshi A, Tanaka H, Thomsen T, Tominaga S, Tomita M, Törnberg S, Tunstall-Pedoe H, Tverdal A, Ueshima H, Vartiainen E, Wald N, Wannamethee SG, Welborn TA, Whincup P, Whitlock G, Willett W, Woo J, Wu ZL, Yao SX, Yarnell J, Yokoyama T, Yoshiike N, Zhang XH. Sex-specific relevance of diabetes to occlusive vascular and other mortality: a collaborative meta-analysis of individual data from 980 793 adults from 68 prospective studies. Lancet Diabetes Endocrinol 2018; 6:538-546. [PMID: 29752194 PMCID: PMC6008496 DOI: 10.1016/s2213-8587(18)30079-2] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 02/20/2018] [Accepted: 02/26/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND Several studies have shown that diabetes confers a higher relative risk of vascular mortality among women than among men, but whether this increased relative risk in women exists across age groups and within defined levels of other risk factors is uncertain. We aimed to determine whether differences in established risk factors, such as blood pressure, BMI, smoking, and cholesterol, explain the higher relative risks of vascular mortality among women than among men. METHODS In our meta-analysis, we obtained individual participant-level data from studies included in the Prospective Studies Collaboration and the Asia Pacific Cohort Studies Collaboration that had obtained baseline information on age, sex, diabetes, total cholesterol, blood pressure, tobacco use, height, and weight. Data on causes of death were obtained from medical death certificates. We used Cox regression models to assess the relevance of diabetes (any type) to occlusive vascular mortality (ischaemic heart disease, ischaemic stroke, or other atherosclerotic deaths) by age, sex, and other major vascular risk factors, and to assess whether the associations of blood pressure, total cholesterol, and body-mass index (BMI) to occlusive vascular mortality are modified by diabetes. RESULTS Individual participant-level data were analysed from 980 793 adults. During 9·8 million person-years of follow-up, among participants aged between 35 and 89 years, 19 686 (25·6%) of 76 965 deaths were attributed to occlusive vascular disease. After controlling for major vascular risk factors, diabetes roughly doubled occlusive vascular mortality risk among men (death rate ratio [RR] 2·10, 95% CI 1·97-2·24) and tripled risk among women (3·00, 2·71-3·33; χ2 test for heterogeneity p<0·0001). For both sexes combined, the occlusive vascular death RRs were higher in younger individuals (aged 35-59 years: 2·60, 2·30-2·94) than in older individuals (aged 70-89 years: 2·01, 1·85-2·19; p=0·0001 for trend across age groups), and, across age groups, the death RRs were higher among women than among men. Therefore, women aged 35-59 years had the highest death RR across all age and sex groups (5·55, 4·15-7·44). However, since underlying confounder-adjusted occlusive vascular mortality rates at any age were higher in men than in women, the adjusted absolute excess occlusive vascular mortality associated with diabetes was similar for men and women. At ages 35-59 years, the excess absolute risk was 0·05% (95% CI 0·03-0·07) per year in women compared with 0·08% (0·05-0·10) per year in men; the corresponding excess at ages 70-89 years was 1·08% (0·84-1·32) per year in women and 0·91% (0·77-1·05) per year in men. Total cholesterol, blood pressure, and BMI each showed continuous log-linear associations with occlusive vascular mortality that were similar among individuals with and without diabetes across both sexes. INTERPRETATION Independent of other major vascular risk factors, diabetes substantially increased vascular risk in both men and women. Lifestyle changes to reduce smoking and obesity and use of cost-effective drugs that target major vascular risks (eg, statins and antihypertensive drugs) are important in both men and women with diabetes, but might not reduce the relative excess risk of occlusive vascular disease in women with diabetes, which remains unexplained. FUNDING UK Medical Research Council, British Heart Foundation, Cancer Research UK, European Union BIOMED programme, and National Institute on Aging (US National Institutes of Health).
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Imai Y, Nagai M, Kusakabe M, Yasuda K, Nakanishi K, Yoshimoto T, Yamanishi K. 902 Ablation of basophils reduces ILC2-dependent atopic dermatitis-like inflammation in mice overexpressing interleukin-33 in the skin. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.914] [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: 10/17/2022]
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Imai Y, Nihei M, Abe K, Sasaki S, Minami N, Munakata M, Yumita S, Onoda Y, Sekino H, Yamakoshi K, Yoshinaga K. A Finger Volume-Oscillometric Device for Monitoring Ambulatory Blood Pressure: Laboratory and Clinical Evaluations. ACTA ACUST UNITED AC 2018. [DOI: 10.1080/07300077.1987.11978712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Y. Imai
- Department of Medicine, Tohoku University, Sapporo, Japan
| | - M. Nihei
- Department of Medicine, Tohoku University, Sapporo, Japan
| | - K. Abe
- Department of Medicine, Tohoku University, Sapporo, Japan
| | - S. Sasaki
- Department of Medicine, Tohoku University, Sapporo, Japan
| | - N. Minami
- Department of Medicine, Tohoku University, Sapporo, Japan
| | - M. Munakata
- Department of Medicine, Tohoku University, Sapporo, Japan
| | - S. Yumita
- Department of Medicine, Tohoku University, Sapporo, Japan
| | - Y. Onoda
- Department of Medicine, Tohoku University, Sapporo, Japan
| | - H. Sekino
- Kohjinkai Central Hospital, Sendai, Sapporo, Japan
| | - K. Yamakoshi
- Research Institute of Applied Electricity, Hokkaido University, Sapporo, Japan
| | - K. Yoshinaga
- Department of Medicine, Tohoku University, Sapporo, Japan
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Shimozawa M, Hashimoto K, Ueda A, Suzuki Y, Sugii K, Yamada S, Imai Y, Kobayashi R, Itoh K, Iguchi S, Naka M, Ishihara S, Mori H, Sasaki T, Yamashita M. Quantum-disordered state of magnetic and electric dipoles in an organic Mott system. Nat Commun 2017; 8:1821. [PMID: 29180819 PMCID: PMC5703743 DOI: 10.1038/s41467-017-01849-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 10/18/2017] [Indexed: 11/24/2022] Open
Abstract
Strongly enhanced quantum fluctuations often lead to a rich variety of quantum-disordered states. Developing approaches to enhance quantum fluctuations may open paths to realize even more fascinating quantum states. Here, we demonstrate that a coupling of localized spins with the zero-point motion of hydrogen atoms, that is, proton fluctuations in a hydrogen-bonded organic Mott insulator provides a different class of quantum spin liquids (QSLs). We find that divergent dielectric behavior associated with the approach to hydrogen-bond order is suppressed by the quantum proton fluctuations, resulting in a quantum paraelectric (QPE) state. Furthermore, our thermal-transport measurements reveal that a QSL state with gapless spin excitations rapidly emerges upon entering the QPE state. These findings indicate that the quantum proton fluctuations give rise to a QSL—a quantum-disordered state of magnetic and electric dipoles—through the coupling between the electron and proton degrees of freedom. The organic material κ-H3(Cat-EDT-TTF)2 has been suggested to exhibit a quantum spin liquid phase in which quantum fluctuations prevent the formation of magnetic order. Here, the authors show that this may be a result of fluctuations of hydrogen atoms, rather than more conventional geometric frustration.
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Affiliation(s)
- M Shimozawa
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan.
| | - K Hashimoto
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, 980-8577, Japan.
| | - A Ueda
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan
| | - Y Suzuki
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan
| | - K Sugii
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan
| | - S Yamada
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan
| | - Y Imai
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan
| | - R Kobayashi
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, 980-8577, Japan
| | - K Itoh
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, 980-8577, Japan
| | - S Iguchi
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, 980-8577, Japan
| | - M Naka
- Department of Physics, Tohoku University, Sendai, 980-8578, Japan.,Waseda Institute for Advanced Study, Waseda University, Shinjuku, Tokyo, 169-8050, Japan
| | - S Ishihara
- Department of Physics, Tohoku University, Sendai, 980-8578, Japan
| | - H Mori
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan
| | - T Sasaki
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, 980-8577, Japan
| | - M Yamashita
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, 277-8581, Japan
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Kamiya N, Imai Y, Asai-Sato M, Ota Y, Suzuki Y, Ruiz-Yokota N, Matsunaga T, Miyagi E. Efficacy and feasibility of paclitaxel and carboplatin-based concurrent chemoradiotherapy for patients with advanced cervical cancer with renal dysfunction. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx663.023] [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: 11/14/2022] Open
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Nosaki K, Takeuchi S, Takahara S, Kawakami T, Yoh K, Kono Y, Horiike A, Seto T, Goto K, Yoshimura K, Imai Y, Murayama T, Yano S. Safety of alectinib in non-small cell lung cancer patients with RET fusion gene (ALL-RET): Results from the dose-finding portion of a phase 1/2 study. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx671.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Hiramoto N, Takeda J, Yoshida K, Ono Y, Yoshioka S, Yamauchi N, Fujimoto A, Maruoka H, Shiraishi Y, Tanaka H, Chiba K, Imai Y, Miyano S, Ogawa S, Ishikawa T. Donor cell-derived transient abnormal myelopoiesis as a specific complication of umbilical cord blood transplantation. Bone Marrow Transplant 2017; 53:225-227. [PMID: 28991249 DOI: 10.1038/bmt.2017.226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- N Hiramoto
- Department of Cell Therapy, Institute of Biomedical Research and Innovation, Kobe, Japan
| | - J Takeda
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - K Yoshida
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Y Ono
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - S Yoshioka
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - N Yamauchi
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - A Fujimoto
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - H Maruoka
- Department of Clinical Laboratory, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Y Shiraishi
- Laboratory of DNA Information Analysis, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - H Tanaka
- Laboratory of DNA Information Analysis, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - K Chiba
- Laboratory of DNA Information Analysis, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Y Imai
- Department of Clinical Pathology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - S Miyano
- Laboratory of DNA Information Analysis, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - S Ogawa
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - T Ishikawa
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
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Koinuma T, Mori A, Hatano T, Imai Y, Hattori N. Function analysis of c19orf12 by using a model of drosophila. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2092] [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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Ishii J, Kawamoto M, Fujiwara S, Imai Y, Shishido-Hara Y, Nakamichi K, Saijo M, Takahashi K, Nukuzuma S, Kohara N. Punctate lesions demonstrated as an early sign of progressive multifocal leukoencephalopathy in a patient with systemic lupus erythematosus: A clinico-pathological study. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3394] [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: 11/24/2022]
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Kawachi H, Fujimoto D, Morimoto T, Ito M, Teraoka S, Sato Y, Nagata K, Nakagawa A, Otsuka K, Imai Y, Tomii K. Characteristics and prognostic impact of advanced non-small-cell lung cancer patients who were ineligible for clinical trials. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx380.075] [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: 11/13/2022] Open
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Sato T, Sato C, Kadowaki A, Watanabe H, Ho L, Ishida J, Yamaguchi T, Kimura A, Fukamizu A, Penninger J, Reversade B, Ito H, Imai Y, Kuba K. 5922A novel APJ ligand, ELABELA/Apela/Toddler, protects from pressure overload- and Angiotensin II-induced cardiac hypertrophy and fibrosis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.5922] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Imai T, Ichimura M, Nakashima Y, Katanuma I, Yoshikawa M, Kariya T, Minami R, Miyata Y, Yamaguchi Y, Ikezoe R, Shimozuma T, Kubo S, Yoshimura Y, Takahashi H, Mutoh T, Sakamoto K, Mizuguchi M, Ota M, Ozawa H, Hosoi K, Yaguchi F, Yonenaga R, Imai Y, Murakani T, Yagi K, Nakamura T, Aoki1 H, Iizumi H, Ishii T, Kondou H, Takeda H, Ichioka N, Masaki S, Yokoyama T. Status and Plan of GAMMA 10 Tandem Mirror Program. Fusion Science and Technology 2017. [DOI: 10.13182/fst11-a11563] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Imai
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - M. Ichimura
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - Y. Nakashima
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - I. Katanuma
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - M. Yoshikawa
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Kariya
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - R. Minami
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - Y. Miyata
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - Y. Yamaguchi
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - R. Ikezoe
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Shimozuma
- National Institute of Fusion Science(NIFS), Toki, Japan
| | - S. Kubo
- National Institute of Fusion Science(NIFS), Toki, Japan
| | - Y. Yoshimura
- National Institute of Fusion Science(NIFS), Toki, Japan
| | - H. Takahashi
- National Institute of Fusion Science(NIFS), Toki, Japan
| | - T. Mutoh
- National Institute of Fusion Science(NIFS), Toki, Japan
| | - K. Sakamoto
- Japan Atomic Energy Research Institute(JAEA), Naka, Japan
| | - M. Mizuguchi
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - M. Ota
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - H. Ozawa
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - K. Hosoi
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - F. Yaguchi
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - R. Yonenaga
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - Y. Imai
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Murakani
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - K. Yagi
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | | | - H. Aoki1
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - H. Iizumi
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Ishii
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - H. Kondou
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - H. Takeda
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - N. Ichioka
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - S. Masaki
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Yokoyama
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
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Ichimura M, Yamaguchi Y, Ikezoe R, Imai Y, Murakami T, Iwai T, Yokoyama T, Sato T, Ugajin Y, Imai T. Radial Transport of High-Energy Ions Caused by Low-Frequency Fluctuations in the GAMMA 10 Tandem Mirror. Fusion Science and Technology 2017. [DOI: 10.13182/fst11-a11583] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- M. Ichimura
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - Y. Yamaguchi
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - R. Ikezoe
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - Y. Imai
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Murakami
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Iwai
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Yokoyama
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Sato
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - Y. Ugajin
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Imai
- Affiliation Information: Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
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Yamaguchi Y, Ichimura M, Yokoyama T, Fukuyama A, Ikezoe R, Imai Y, Murakami T, Iwai T, Sato T, Ugajin Y, Imai T. Ion-Cyclotron Resonance Heating Experiment in the Quadruple Minimum-B Field on GAMMA 10. Fusion Science and Technology 2017. [DOI: 10.13182/fst11-a11625] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Y. Yamaguchi
- Research Center for Development of Far-Infrared Region, University of Fukui, Fukui 910-8507, Japan
| | - M. Ichimura
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Yokoyama
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - A. Fukuyama
- Department of Nuclear Engineering, Kyoto University, Kyoto 606-8501, Japan
| | - R. Ikezoe
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Imai
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Murakami
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Iwai
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Sato
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Ugajin
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Imai
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
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Ríos DB, Aulenbacher K, Baunack S, Diefenbach J, Gläser B, von Harrach D, Imai Y, Kabuß EM, Kothe R, Lee JH, Merkel H, Mora Espí MC, Müller U, Schilling E, Weinrich C, Capozza L, Maas FE, Arvieux J, El-Yakoubi MA, Frascaria R, Kunne R, Morlet M, Ong S, van de Wiele J, Kowalski S, Prok Y. New Measurements of the Beam Normal Spin Asymmetries at Large Backward Angles with Hydrogen and Deuterium Targets. Phys Rev Lett 2017; 119:012501. [PMID: 28731753 DOI: 10.1103/physrevlett.119.012501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Indexed: 06/07/2023]
Abstract
New measurements of the beam normal single spin asymmetry in the electron elastic and quasielastic scattering on the proton and deuteron, respectively, at large backward angles and at ⟨Q^{2}⟩=0.22 (GeV/c)^{2} and ⟨Q^{2}⟩=0.35 ( GeV/c)^{2} are reported. The experimentally observed asymmetries are compared with the theoretical calculation of Pasquini and Vanderhaeghen [Phys. Rev. C 70, 045206 (2004).PRVCAN0556-281310.1103/PhysRevC.70.045206]. The agreement of the measurements with the theoretical calculations shows a dominance of the inelastic intermediate excited states of the nucleon, πN and the Δ resonance. The measurements explore a new, important parameter region of the exchanged virtual photon virtualities.
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Affiliation(s)
- D Balaguer Ríos
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - K Aulenbacher
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - S Baunack
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - J Diefenbach
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - B Gläser
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - D von Harrach
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - Y Imai
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - E-M Kabuß
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - R Kothe
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - J H Lee
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - H Merkel
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - M C Mora Espí
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - U Müller
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - E Schilling
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - C Weinrich
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
| | - L Capozza
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
- Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 36, D-55099 Mainz, Germany
| | - F E Maas
- Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 45, D-55099 Mainz, Germany
- Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, J.J. Becherweg 36, D-55099 Mainz, Germany
| | - J Arvieux
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - M A El-Yakoubi
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - R Frascaria
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - R Kunne
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - M Morlet
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - S Ong
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - J van de Wiele
- Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, F-91406 Orsay Cedex, France
| | - S Kowalski
- Laboratory for Nuclear Science and Department of Physics, MIT, Cambridge, Massachusetts 02139, USA
| | - Y Prok
- Laboratory for Nuclear Science and Department of Physics, MIT, Cambridge, Massachusetts 02139, USA
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Kabutoya T, Ishikawa S, Imai Y, Watanabe H, Kario K. P1801Polarity of atrial premature complexes predict stroke events in a community-dwelling population. Europace 2017. [DOI: 10.1093/ehjci/eux161.110] [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: 11/13/2022] Open
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Kabutoya T, Imai Y, Watanabe H, Komori T, Mitsuhashi T, Kario K. P1748An increase of vectorcardiographic QRS area was associated with good prognosis in patients who underwent cardiac resynchronization therapy. Europace 2017. [DOI: 10.1093/ehjci/eux161.058] [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: 11/13/2022] Open
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47
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Watanabe H, Kabutoya T, Satou A, Komori T, Imai Y, Kario K. P860The electrical conduction delay of the coronary sinus is associated with a large left atrial diameter in atrial fibrillation patients. Europace 2017. [DOI: 10.1093/ehjci/eux151.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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48
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Hasegawa K, Matsushita H, Oda K, Yamamoto S, Nishijima A, Imai Y, Asada K, Ikeda Y, Fujiwara K, Aburatani H, Kakimi K. Immunoediting, neoantigen frequency, and clinical outcome in patients with ovarian clear cell carcinoma. Gynecol Oncol 2017. [DOI: 10.1016/j.ygyno.2017.03.039] [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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Nagahori W, Kurebayashi E, Imai Y, Maeno T, Oguma Y, Iwakiri N, Suzuki M, Nagashima M, Yamashita T, Suzuki M. P1728Which is a better strategy in pulmonary vein isolation? Contiguous dragging versus point by point catheter ablation utilising tagging technology. Europace 2017. [DOI: 10.1093/ehjci/eux161.038] [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: 11/12/2022] Open
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50
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Imai Y, Watanabe H, Kabutoya T, Komori T, Watanabe T, Yokota A, Hachiya H, Kario K. P1805P wave vector electrography calculated from routine 12-lead ECG predicts recurrence of atrial fibrillation after pulmonary vein isolation. Europace 2017. [DOI: 10.1093/ehjci/eux161.114] [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: 11/13/2022] Open
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