1
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Konno R, Yamada R, Hanayama M, Masadome T. Optical fiber chemical sensing of anionic surfactants using a microfluidic polymer chip with embedded ion-selective fluorescence optode. ANAL SCI 2024:10.1007/s44211-024-00571-1. [PMID: 38643336 DOI: 10.1007/s44211-024-00571-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/02/2024] [Indexed: 04/22/2024]
Abstract
This study introduces a novel microfluidic polymer chip system that employs an embedded anionic surfactant (AS) ion-selective fluorescence optode (AS fluorescence optode) as a detector for measuring AS. The AS fluorescent optode comprises a lactone form of rhodamine B (L-RB) embedded in 2-nitrophenyl octyl ether plasticized poly (vinyl chloride) membrane. The AS fluorescence optode demonstrated a linear correlation between fluorescence intensity peak heights and AS concentrations within the range of less than 20 µM under optimal flow conditions. The limit of detection for AS was approximately 0.06 µM. The microfluidic system was utilized to measure AS levels in environmental samples, such as river water and tap water.
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Affiliation(s)
- Ryu Konno
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology, Toyosu, Koto-Ku, Tokyo, 135-8548, Japan
| | - Ryo Yamada
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology, Toyosu, Koto-Ku, Tokyo, 135-8548, Japan
| | - Mika Hanayama
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology, Toyosu, Koto-Ku, Tokyo, 135-8548, Japan
| | - Takashi Masadome
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology, Toyosu, Koto-Ku, Tokyo, 135-8548, Japan.
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2
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Matsumura M, Inagaki J, Yamada R, Tashiro N, Ito K, Sasaki M. Material Separation from Polyester/Cotton Blended Fabrics Using Hydrothermal Treatment. ACS Omega 2024; 9:13125-13133. [PMID: 38524496 PMCID: PMC10956089 DOI: 10.1021/acsomega.3c09350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/01/2024] [Accepted: 02/07/2024] [Indexed: 03/26/2024]
Abstract
The production of textile products is increasing annually, and most of them are disposed of after use without recycling. One of the reasons for the low recycling percentage of discarded textile products is the difficulty of recycling as a single material as these products are produced from a combination of two or more materials. Therefore, a technology to separate materials is necessary to improve the recycling percentage of textile products and to build a sustainable recycling industry. The aim of this study was to separate the most common combination of materials, such as cotton/polyester, in an environmentally friendly technique using hydrothermal treatment with only water. Herein, the optimal treatment conditions for blended fabrics in a high-pressure reactor were studied. Moreover, cotton could be separated by treating the fabrics at 220 to 230 °C for 10 min while maintaining the shape of the fabrics. Additionally, polyester showed a melting point, confirming that polyester could be separated without decomposition into monomers, unlike common chemical recycling. The strength of the separated cotton and the molecular weight of the polyester were evaluated, and a kinetic analysis of the changes due to the treatment was conducted. The activation energy obtained from the Arrhenius plot was 111.8 kJ/mol for PET, which was smaller than 142.6 kJ/mol for cotton. This indicates that the decrease in the molecular weight of PET is more likely to occur than the change in the strength of cotton, suggesting the possibility of separating the materials from the kinetic analysis.
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Affiliation(s)
- Mei Matsumura
- Tsuruga
Films Technology Center, Toyobo Co., Ltd., 10-24 Toyo-cho, Tsuruga, Fukui 914-8550, Japan
| | - Jun Inagaki
- Frontier
Materials Technology Center, Toyobo Co.,
Ltd., 2-1-1 Katata, Otsu, Shiga 520-0292, Japan
| | - Ryo Yamada
- Graduate
School of Science and Technology, Kumamoto
University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Natsuko Tashiro
- Graduate
School of Science and Technology, Kumamoto
University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Katsuya Ito
- Innovation
Division, TOYOBO Co., Ltd., Osaka Umeda Twin Towers South,1-13-1
Umeda, Kita-ku, Osaka 530-0001, Japan
| | - Mitsuru Sasaki
- Institute
of Industrial Nanomaterials, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
- International
Research Organization for Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
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3
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Mizobuch K, Matsuoka H, Yamada R, Yoshida M, Tanida N. [Multiorgan Thromboembolism due to Thrombus in the Remnant Superior Pulmonary Vein After Left Upper Division Segmentectomy:Report of a Case]. Kyobu Geka 2024; 77:72-75. [PMID: 38459849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/11/2024]
Abstract
A 67 years old male had underwent left upper division segmentectomy. On the sixth day after surgery, he had developed unconsciousness, aphasia and unilateral spatial neglect. Brain MRI revealed a cerebral infarction, and percutaneous cerebral thrombectomy was performed. Enhanced computed tomography revealed thrombus formation in the remnant superior pulmonary vein (SPV), left renal infarction and right acute limb ischemia. After starting anticoagulant therapy with apixaban the thrombus reduced and neurological symptoms improved. A thrombus in the SPV may cause serious whole body organ infarction in the same way as a left atrial thrombus. It was suggested that left upper division segmentectomy was associated with the risk of remnant pulmonary vein thrombosis.
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Affiliation(s)
- Kai Mizobuch
- Department of Throracic Surgery, Japanese Red Cross Kochi Hospital, Kochi,Japan
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4
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Cheng JH, Zheng C, Yamada R, Okada D. Visualization of the landscape of the read alignment shape of ATAC-seq data using Hellinger distance metric. Genes Cells 2024; 29:5-16. [PMID: 37989133 DOI: 10.1111/gtc.13082] [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: 06/08/2023] [Revised: 10/25/2023] [Accepted: 10/28/2023] [Indexed: 11/23/2023]
Abstract
Assay for Transposase-Accessible Chromatin using high-throughput sequencing (ATAC-seq) is the popular technique using next-generation sequencing to measure chromatin accessibility and identify open chromatin regions. While read alignment shape information of next-generation sequencing data with intensity information has been used in various bioinformatics methods, few studies have focused on pure shape information alone. In this study, we investigated what types of ATAC-seq read alignment shapes are observed for the promoter region and whether the pure shape information was related or unrelated to other gene features. We introduced a novel concept and pipeline for handling the pure shape information of NGS data as probability distributions and quantifying their dissimilarities by information theory. Based on this concept, we demonstrate that the pure shape information of ATAC-seq data is correlated with chromatin openness and some gene characteristics. On the other hand, it is suggested that the pure information of ATAC-seq read alignment shape is unlikely to contain additional information to explain differences in RNA expression. Our study suggests that viewing the read alignment shape of NGS data as probability distributions enables us to capture the characteristics of the genome-wide landscape of such data in a non-parametric manner.
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Affiliation(s)
- Jian Hao Cheng
- Center for Genomics Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Cheng Zheng
- Center for Genomics Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryo Yamada
- Center for Genomics Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Daigo Okada
- Center for Genomics Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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5
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Chikamori F, Yamada R, Ueta K, Uemura S, Onishi K, Yoshida M, Tanida N, Yamai H, Matsuoka H, Hokimoto N, Iwabu J, Mizobuchi K, Marui A, Sharma N. Identification and verification of communicating accessory bile duct associated with a biliary circuit by modified and dynamic intraoperative cholangiography during laparoscopic cholecystectomy. BJR Case Rep 2023; 9:20230037. [PMID: 37928709 PMCID: PMC10621582 DOI: 10.1259/bjrcr.20230037] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/22/2023] [Accepted: 06/02/2023] [Indexed: 11/07/2023] Open
Abstract
Communicating accessory bile duct (CABD) is a rare anatomical anomaly of the bile duct and forms a biliary circuit. It is difficult to identify during laparoscopic cholecystectomy (LC) without the use of intraoperative cholangiography (IOC). A modified IOC, in which tube insertion was performed through the infundibulum of the gallbladder, was evaluated dynamically. This procedure allowed us to accurately identify and verify the presence of CABD, a biliary circuit, and the short cystic duct. The short cystic duct could be separated safely without damaging the biliary circuit. Modified and dynamic IOC is recommended for identifying and verifying the presence of CABD during LC.
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Affiliation(s)
- Fumio Chikamori
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Ryo Yamada
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Koji Ueta
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Sunao Uemura
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Kazuhisa Onishi
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Mitsuteru Yoshida
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Nobuyuki Tanida
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Hiromichi Yamai
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Hisashi Matsuoka
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Norihiro Hokimoto
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Jun Iwabu
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Kai Mizobuchi
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Akira Marui
- Department of Surgery, Japanese Red Cross Kochi Hospital, Hadaminamimachi, Kochi, Japan
| | - Niranjan Sharma
- Adv Train Gastroint & Organ Transp Surgery, Dunedin, New Zealand
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6
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Zheng C, Wang M, Yamada R, Okada D. Delving into gene-set multiplex networks facilitated by a k-nearest neighbor-based measure of similarity. Comput Struct Biotechnol J 2023; 21:4988-5002. [PMID: 37867964 PMCID: PMC10589751 DOI: 10.1016/j.csbj.2023.09.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 09/22/2023] [Accepted: 09/28/2023] [Indexed: 10/24/2023] Open
Abstract
Gene sets are functional units for living cells. Previously, limited studies investigated the complex relations among gene sets, but documents about their altering patterns across biological conditions still need to be prepared. In this study, we adopted and modified a classical k-nearest neighbor-based association function to detect inter-gene-set similarities. Based on this method, we built multiplex networks of gene sets for the first time; these networks contain layers of gene sets corresponding to different populations of cells. The context-based multiplex networks can capture meaningful biological variation and have considerable differences from knowledge-based networks of gene sets built on Jaccard similarity, as demonstrated in this study. Furthermore, at the scale of individual gene sets, the structural coefficients of gene sets (multiplex PageRank centrality, clustering coefficient, and participation coefficient) disclose the diversity of gene sets from the perspective of structural properties and make it easier to identify unique gene sets. In gene set enrichment analysis (GSEA), each gene set is treated independently, and its contextual and relational attributes are ignored. The structural coefficients of gene sets can supplement GSEA with information about the overall picture of gene sets, promoting the constructive reorganization of the enriched terms and helping researchers better prioritize and select gene sets.
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Affiliation(s)
- Cheng Zheng
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, South Research Bldg. No.1(5F), 53 Shogoinkawahara-cho, Sakyo-ku, Kyoto, 6068507, Kyoto, Japan
| | - Man Wang
- Department of Signal Transduction, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, 5650871, Osaka, Japan
| | - Ryo Yamada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, South Research Bldg. No.1(5F), 53 Shogoinkawahara-cho, Sakyo-ku, Kyoto, 6068507, Kyoto, Japan
| | - Daigo Okada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, South Research Bldg. No.1(5F), 53 Shogoinkawahara-cho, Sakyo-ku, Kyoto, 6068507, Kyoto, Japan
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7
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Abe S, Asahi T, Hara T, Cui G, Shimba A, Tani-Ichi S, Yamada K, Miyazaki K, Miyachi H, Kitano S, Nakamura N, Kikuta J, Vandenbon A, Miyazaki M, Yamada R, Ohteki T, Ishii M, Sexl V, Nagasawa T, Ikuta K. Hematopoietic cell-derived IL-15 supports NK cell development in scattered and clustered localization within the bone marrow. Cell Rep 2023; 42:113127. [PMID: 37729919 DOI: 10.1016/j.celrep.2023.113127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 07/10/2023] [Accepted: 08/28/2023] [Indexed: 09/22/2023] Open
Abstract
Natural killer (NK) cells are innate immune cells critical for protective immune responses against infection and cancer. Although NK cells differentiate in the bone marrow (BM) in an interleukin-15 (IL-15)-dependent manner, the cellular source of IL-15 remains elusive. Using NK cell reporter mice, we show that NK cells are localized in the BM in scattered and clustered manners. NK cell clusters overlap with monocyte and dendritic cell accumulations, whereas scattered NK cells require CXCR4 signaling. Using cell-specific IL-15-deficient mice, we show that hematopoietic cells, but not stromal cells, support NK cell development in the BM through IL-15. In particular, IL-15 produced by monocytes and dendritic cells appears to contribute to NK cell development. These results demonstrate that hematopoietic cells are the IL-15 niche for NK cell development in the BM and that BM NK cells are present in scattered and clustered compartments by different mechanisms, suggesting their distinct functions in the immune response.
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Affiliation(s)
- Shinya Abe
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan; Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
| | - Takuma Asahi
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan; Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
| | - Takahiro Hara
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Guangwei Cui
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Akihiro Shimba
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan; Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Shizue Tani-Ichi
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan; Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Kohei Yamada
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan; Graduate School of Biostudies, Kyoto University, Kyoto 606-8501, Japan
| | - Kazuko Miyazaki
- Laboratory of Immunology, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Hitoshi Miyachi
- Reproductive Engineering Team, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Satsuki Kitano
- Reproductive Engineering Team, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Naotoshi Nakamura
- Interdisciplinary Biology Laboratory (iBLab), Division of Natural Science, Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
| | - Junichi Kikuta
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, WPI Immunology Frontier Research Center, Osaka University, Suita 565-0871, Japan
| | - Alexis Vandenbon
- Laboratory of Tissue Homeostasis, Department of Biosystems Science, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Masaki Miyazaki
- Laboratory of Immunology, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Ryo Yamada
- Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Toshiaki Ohteki
- Department of Biodefense Research, Medical Research Institute, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
| | - Masaru Ishii
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, WPI Immunology Frontier Research Center, Osaka University, Suita 565-0871, Japan
| | - Veronika Sexl
- Institute of Pharmacology and Toxicology, Department for Biomedical Sciences, University of Veterinary Medicine Vienna, 1210 Vienna, Austria
| | - Takashi Nagasawa
- Laboratory of Stem Cell Biology and Developmental Immunology, Graduate School of Frontier Biosciences and Graduate School of Medicine, WPI Immunology Frontier Research Center, Osaka University, Suita 565-0871, Japan
| | - Koichi Ikuta
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan.
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8
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Cui G, Shimba A, Jin J, Hojo N, Asahi T, Abe S, Ejima A, Okada S, Ohira K, Kato R, Tani-ichi S, Yamada R, Ebihara T, Shiroguchi K, Ikuta K. CD45 alleviates airway inflammation and lung fibrosis by limiting expansion and activation of ILC2s. Proc Natl Acad Sci U S A 2023; 120:e2215941120. [PMID: 37639581 PMCID: PMC10483638 DOI: 10.1073/pnas.2215941120] [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: 09/17/2022] [Accepted: 07/28/2023] [Indexed: 08/31/2023] Open
Abstract
Group 2 innate lymphoid cells (ILC2s) are critical for the immune response against parasite infection and tissue homeostasis and involved in the pathogenesis of allergy and inflammatory diseases. Although multiple molecules positively regulating ILC2 development and activation have been extensively investigated, the factors limiting their population size and response remain poorly studied. Here, we found that CD45, a membrane-bound tyrosine phosphatase essential for T cell development, negatively regulated ILC2s in a cell-intrinsic manner. ILC2s in CD45-deficient mice exhibited enhanced proliferation and maturation in the bone marrow and hyperactivated phenotypes in the lung with high glycolytic capacity. Furthermore, CD45 signaling suppressed the type 2 inflammatory response by lung ILC2s and alleviated airway inflammation and pulmonary fibrosis. Finally, the interaction with galectin-9 influenced CD45 signaling in ILC2s. These results demonstrate that CD45 is a cell-intrinsic negative regulator of ILC2s and prevents lung inflammation and fibrosis via ILC2s.
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Affiliation(s)
- Guangwei Cui
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
| | - Akihiro Shimba
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
- Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto606-8501, Japan
| | - Jianshi Jin
- Laboratory for Prediction of Cell Systems Dynamics, RIKEN Center for Biosystems Dynamics Research, Osaka565-0874, Japan
| | - Nozomi Hojo
- Laboratory for Prediction of Cell Systems Dynamics, RIKEN Center for Biosystems Dynamics Research, Osaka565-0874, Japan
| | - Takuma Asahi
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
| | - Shinya Abe
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
| | - Aki Ejima
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
| | - Shinri Okada
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
| | - Keizo Ohira
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
| | - Ryoma Kato
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
| | - Shizue Tani-ichi
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
- Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto606-8501, Japan
| | - Ryo Yamada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto606-8501, Japan
| | - Takashi Ebihara
- Department of Medical Biology, Graduate School of Medicine, Akita University, Akita010-8543, Japan
| | - Katsuyuki Shiroguchi
- Laboratory for Prediction of Cell Systems Dynamics, RIKEN Center for Biosystems Dynamics Research, Osaka565-0874, Japan
| | - Koichi Ikuta
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto606-8507, Japan
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9
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Sugioka S, Yamada H, Ishii A, Kato Y, Yamada R, Mori KP, Ohno S, Handa T, Ikushima A, Ishimura T, Osaki K, Tokudome T, Matsusaka T, Nebreda AR, Yanagita M, Yokoi H. Dual deletion of guanylyl cyclase-A and p38 mitogen-activated protein kinase in podocytes with aldosterone administration causes glomerular intra-capillary thrombi. Kidney Int 2023; 104:508-525. [PMID: 37356621 DOI: 10.1016/j.kint.2023.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 04/27/2023] [Accepted: 06/02/2023] [Indexed: 06/27/2023]
Abstract
Natriuretic peptides exert not only blood-lowering but also kidney-protective effects through guanylyl cyclase-A (GC-A), a natriuretic peptide receptor. Signaling through GC-A has been shown to protect podocytes from aldosterone-induced glomerular injury, and a p38 mitogen-activated protein kinase (MAPK) inhibitor reduced glomerular injury in aldosterone-infused podocyte-specific GC-A knockout mice. To explore the role of p38 MAPK in podocytes, we constructed podocyte-specific p38 MAPK and GC-A double knockout mice (pod-double knockout mice). Unexpectedly, aldosterone-infused and high salt-fed (B-ALDO)-treated pod-double knockout mice resulted in elevated serum creatinine, massive albuminuria, macrophage infiltration, foot process effacement, nephrin and podocin reduction, and additionally, intra-capillary fibrin thrombi, indicating endothelial injury. Microarray analysis showed increased plasminogen activator inhibitor-1 (PAI-1) in glomeruli of B-ALDO-treated pod-double knockout mice. In B-ALDO-treated pod-double knockout mice, PAI-1 increased in podocytes, and treatment with PAI-1 neutralizing antibody ameliorated intra-capillary thrombus formation. In vitro, deletion of p38 MAPK by the CRISPR/Cas9 system and knockdown of GC-A in human cultured podocytes upregulated PAI-1 and transforming growth factor- β1 (TGF-β1). When p38 MAPK knockout podocytes, transfected with a small interfering RNA to suppress GC-A, were co-cultured with glomerular endothelial cells in a transwell system, the expression of TGF-β1 was increased in glomerular endothelial cells. PAI-1 inhibition ameliorated both podocyte and endothelial injury in the transwell system signifying elevated PAI-1 in podocytes is a factor disrupting normal podocyte-endothelial crosstalk. Thus, our results indicate that genetic dual deletion of p38 MAPK and GC-A in podocytes accelerates both podocyte and endothelial injuries, suggesting these two molecules play indispensable roles in podocyte function.
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Affiliation(s)
- Sayaka Sugioka
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroyuki Yamada
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Department of Primary Care and Emergency Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akira Ishii
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yukiko Kato
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryo Yamada
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Keita P Mori
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Department of Nephrology and Dialysis, Medical Research Institute KITANO HOSPITAL, PIIF Tazuke-Kofukai, Osaka, Japan
| | - Shoko Ohno
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takaya Handa
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Department of Nephrology and Dialysis, Medical Research Institute KITANO HOSPITAL, PIIF Tazuke-Kofukai, Osaka, Japan
| | - Akie Ikushima
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takuya Ishimura
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Keisuke Osaki
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takeshi Tokudome
- Department of Pharmacology, Yokohama City University School of Medicine, Yokohama, Japan
| | - Taiji Matsusaka
- Department of Basic Medicine, Tokai University School of Medicine, Isehara, Japan
| | - Angel R Nebreda
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, and Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Motoko Yanagita
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto, Japan
| | - Hideki Yokoi
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
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10
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Yamada R, Watanabe S, Tada H. Reservoir computing with the electrochemical formation and reduction of gold oxide in aqueous solutions with a three-electrode electrochemical setup. RSC Adv 2023; 13:24801-24804. [PMID: 37608968 PMCID: PMC10440635 DOI: 10.1039/d3ra04614a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 08/14/2023] [Indexed: 08/24/2023] Open
Abstract
Supervised classification of handwritten digits via physical reservoir computing (PRC) using electrochemistry with a three-electrode electrochemical setup was demonstrated. Short-term memory required for the PRC was realized for 3 bit pulse patterns by adjusting the formation/reduction ratio of gold oxides, showing a wide potential of electrochemistry as resources of PR devices.
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Affiliation(s)
- Ryo Yamada
- Division of Frontier Materials Science, Graduate School of Engineering Science, Osaka University Toyonaka Osaka 560-8531 Japan
| | - Shuto Watanabe
- Division of Frontier Materials Science, Graduate School of Engineering Science, Osaka University Toyonaka Osaka 560-8531 Japan
| | - Hirokazu Tada
- Division of Frontier Materials Science, Graduate School of Engineering Science, Osaka University Toyonaka Osaka 560-8531 Japan
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11
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Andika R, Yamada R, Tada H. Magnetoresistance originated from the Au/S interface in Au/1,6-hexanedithiol/Au single-molecule junctions at room temperature. Phys Chem Chem Phys 2023. [PMID: 37408499 DOI: 10.1039/d3cp02223d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
We report a magnetic response of Au/1,6-hexanedithiol/Au single-molecule junctions at room temperature using a mechanically controllable break junction method. The electrical resistance of the junction was found to increase up to 5.5% under a magnetic field. This phenomenon could originate from the unpaired charge at the Au/S interface.
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Affiliation(s)
- Rachmat Andika
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka, 560-8531, Japan.
| | - Ryo Yamada
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka, 560-8531, Japan.
- Center for Spintronics Research Network, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Hirokazu Tada
- Graduate School of Engineering Science, Osaka University, Machikaneyama 1-3, Toyonaka, Osaka, 560-8531, Japan.
- Center for Spintronics Research Network, Osaka University, Toyonaka, Osaka, 560-8531, Japan
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12
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Uemura S, Yamai H, Onishi K, Chikamori F, Yoshida M, Hokimoto N, Matsuoka H, Iwabu J, Ueta K, Yamada R, Mizobuchi K, Marui A, Tanida N. Robot-assisted total remnant gastrectomy for interposed jejunal pouch dysfunction 25 years after proximal gastrectomy for gastric cancer: A case report. Asian J Endosc Surg 2023. [PMID: 37221705 DOI: 10.1111/ases.13207] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/11/2023] [Indexed: 05/25/2023]
Abstract
Proximal gastrectomy (PG) in combination with jejunal pouch interposition is a technique aimed at improving the postoperative dietary outcomes; however, some cases are reported to require surgical intervention owing to difficulty of food intake caused by pouch dysfunction. Herein, we present a case of robot-assisted surgery for interposed jejunal pouch (IJP) dysfunction in a 79-year-old male, occurring 25 years after the initial PG for gastric cancer. The patient had chronic anorexia for 2 years and was treated with medications and dietary guidance; however, 3 months prior to admission his quality of life had reduced, owing to worsening symptoms. The patient was diagnosed with pouch dysfunction due to extremely dilated IJP identified using computed tomography and underwent robot-assisted total remnant gastrectomy (RATRG) with IJP resection. After an uneventful course of intraoperative and postoperative treatment, he was discharged with sufficient food intake on postoperative day 9. RATRG can, thus, be considered in patients with IJP dysfunction after PG.
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Affiliation(s)
- Sunao Uemura
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Hiromichi Yamai
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Kazuhisa Onishi
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Fumio Chikamori
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Mitsuteru Yoshida
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Norihiro Hokimoto
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Hisashi Matsuoka
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Jun Iwabu
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Koji Ueta
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Ryo Yamada
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Kai Mizobuchi
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Akira Marui
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
| | - Nobuyuki Tanida
- Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi, Japan
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13
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Kobayashi M, Hayashi M, Yamada R, Ishiguro T, Fujiwara W, Ishii H, Naruse H, Watanabe E, Ozaki Y, Izawa H. Predictors of in-hospital mortality in elderly patients with heart failure treated with tolvaptan. Fujita Med J 2023; 9:80-83. [PMID: 37234387 PMCID: PMC10206904 DOI: 10.20407/fmj.2021-027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 01/26/2022] [Indexed: 05/28/2023]
Abstract
Objectives We conducted an analysis of first-time tolvaptan users (≥80 years old) to determine the factors associated with the prognosis of elderly patients with heart failure. Methods We retrospectively analyzed 66 consecutive patients with worsening heart failure (aged ≥80 years) who were admitted to Fujita Health University Bantane Hospital from 2011 to 2016 and treated with tolvaptan. Differences between the in-hospital death and survival groups were evaluated. Multivariate logistic regression analysis was also performed to identify the risk factors for mortality. Results Sixty-six patients were included, and 26 patients died during the index hospitalization. The patients who died had a significantly higher prevalence of ischemic heart disease; a higher heart rate; higher levels of plasma C-reactive protein, blood urea nitrogen (BUN), and creatinine; a lower serum albumin level; and a lower estimated glomerular filtration rate than surviving patients. The proportion of patients requiring early initiation of tolvaptan treatment (within 3 days of admission) was significantly higher in surviving patients. On the basis of multivariate logistic regression analysis, although a high heart rate and high BUN levels were independent factors for in-hospital prognosis, they were not significantly associated with the early use of tolvaptan (≤3 days vs. ≥4 days; odds ratio=0.39; 95% confidence interval=0.07-2.21; p=0.29). Conclusions This study revealed that a higher heart rate and higher BUN levels were independent factors for in-hospital prognosis in elderly patients who received tolvaptan and that early tolvaptan use may not always be effective in elderly patients.
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Affiliation(s)
- Masakazu Kobayashi
- Department of Medicine, Division of Cardiology, Fujita Health University Okazaki Medical Center, Okazaki, Aichi, Japan
| | - Mutsuharu Hayashi
- Department of Cardiology, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan
| | - Ryo Yamada
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Tomoya Ishiguro
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Wakaya Fujiwara
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Hideki Ishii
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Hiroyuki Naruse
- Department of Cardiology, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan
| | - Eiichi Watanabe
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Yukio Ozaki
- Department of Medicine, Division of Cardiology, Fujita Health University Okazaki Medical Center, Okazaki, Aichi, Japan
| | - Hideo Izawa
- Department of Cardiology, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan
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14
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Yamada R, Ohno M. Atomistic simulation model on a diffusive timescale based on the extension of the cluster-activation method to continuous space. Phys Rev E 2023; 107:045307. [PMID: 37198861 DOI: 10.1103/physreve.107.045307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 04/11/2023] [Indexed: 05/19/2023]
Abstract
Recently the phase-field crystal method has attracted considerable attention because it can simulate the atomic behavior of a system on a diffusive timescale. In this study an atomistic simulation model is proposed, which is an extension of the cluster-activation method (CAM) from discrete to continuous space. This approach, called the continuous CAM, can simulate various physical phenomena of atomistic systems on diffusive timescales and employs well-defined atomistic properties, such as interatomic interaction energies, as the main input parameters. The versatility of the continuous CAM was investigated by performing simulations of crystal growth in an undercooled melt, homogeneous nucleation during solidification, and formation of grain boundaries in pure metal.
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Affiliation(s)
- Ryo Yamada
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Munekazu Ohno
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
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15
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Chikamori F, Yamada R, Ueta K, Onishi K, Yoshida M, Tanida N, Yamai H, Matsuoka H, Hokimoto N, Uemura S, Iwabu J, Mizobuchi K, Marui A, Sharma N. Navigation by modified and dynamic intraoperative cholangiography during laparoscopic subtotal cholecystectomy for difficult gallbladder. Radiol Case Rep 2023; 18:1585-1591. [PMID: 36845284 PMCID: PMC9947179 DOI: 10.1016/j.radcr.2023.01.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/05/2023] [Accepted: 01/07/2023] [Indexed: 02/13/2023] Open
Abstract
We used modified and dynamic intraoperative cholangiography (IOC) navigation during laparoscopic subtotal cholecystectomy for difficult gallbladders. We have defined an IOC that does not open the cystic duct as a modified IOC. Modified IOC methods include the percutaneous transhepatic gallbladder drainage (PTGBD) tube method, the infundibulum puncture method, and the infundibulum cannulation method. Case 1 was chronic cholecystitis after PTGBD for acute cholecystitis with pericholecystic abscess. In this case, modified IOC was performed via PTGBD, and biliary anatomy and incarcerated stone were confirmed. Case 2 was chronic cholecystitis after endoscopic sphincterotomy for cholecystocholedocholithiasis. In this case, modified IOC was performed via gallbladder puncture needle, and biliary anatomy and incision line were confirmed. The target point on the laparoscopic image was determined by moving the tip of the grasping forceps under modified IOC, which we call modified and dynamic IOC. We conclude that the navigation by the modified and dynamic IOC via PTGBD tube or puncture needle is useful to identify biliary anatomy, incarcerated gallbladder stone, and safe incision line during laparoscopic subtotal cholecystectomy .
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Affiliation(s)
- Fumio Chikamori
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan,Corresponding author.
| | - Ryo Yamada
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Koji Ueta
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Kazuhisa Onishi
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Mitsuteru Yoshida
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Nobuyuki Tanida
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Hiromichi Yamai
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Hisashi Matsuoka
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Norihiro Hokimoto
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Sunao Uemura
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Jun Iwabu
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Kai Mizobuchi
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Akira Marui
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Niranjan Sharma
- Adv Train Gastroint & Organ Transp Surgery, 12 Scotland St, Dunedin, 9016, New Zealand
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16
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Okada D, Cheng JH, Zheng C, Kumaki T, Yamada R. Data-driven identification and classification of nonlinear aging patterns reveals the landscape of associations between DNA methylation and aging. Hum Genomics 2023; 17:8. [PMID: 36774528 PMCID: PMC9922449 DOI: 10.1186/s40246-023-00453-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 01/26/2023] [Indexed: 02/13/2023] Open
Abstract
BACKGROUND Aging affects the incidence of diseases such as cancer and dementia, so the development of biomarkers for aging is an important research topic in medical science. While such biomarkers have been mainly identified based on the assumption of a linear relationship between phenotypic parameters, including molecular markers, and chronological age, numerous nonlinear changes between markers and aging have been identified. However, the overall landscape of the patterns in nonlinear changes that exist in aging is unknown. RESULT We propose a novel computational method, Data-driven Identification and Classification of Nonlinear Aging Patterns (DICNAP), that is based on functional data analysis to identify biomarkers for aging and potential patterns of change during aging in a data-driven manner. We applied the proposed method to large-scale, public DNA methylation data to explore the potential patterns of age-related changes in methylation intensity. The results showed that not only linear, but also nonlinear changes in DNA methylation patterns exist. A monotonous demethylation pattern during aging, with its rate decreasing at around age 60, was identified as the candidate stable nonlinear pattern. We also analyzed the age-related changes in methylation variability. The results showed that the variability of methylation intensity tends to increase with age at age-associated sites. The representative variability pattern is a monotonically increasing pattern that accelerates after middle age. CONCLUSION DICNAP was able to identify the potential patterns of the changes in the landscape of DNA methylation during aging. It contributes to an improvement in our theoretical understanding of the aging process.
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Affiliation(s)
- Daigo Okada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - Jian Hao Cheng
- grid.258799.80000 0004 0372 2033Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Cheng Zheng
- grid.258799.80000 0004 0372 2033Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tatsuro Kumaki
- grid.258799.80000 0004 0372 2033Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryo Yamada
- grid.258799.80000 0004 0372 2033Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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17
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Chikamori F, Mizobuchi K, Hamada R, Ito S, Uemura S, Yamada R, Matsuoka H, Tanida N, Sharma N. Emergency transileocolic vein obliteration for life-threatening bleeding from gastric varices. Radiol Case Rep 2023; 18:1570-1575. [PMID: 36824993 PMCID: PMC9941876 DOI: 10.1016/j.radcr.2023.01.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/06/2023] [Accepted: 01/10/2023] [Indexed: 02/12/2023] Open
Abstract
We report a case of life-threatening bleeding from gastric varices in a patient with alcoholic cirrhosis, which was treated by emergency transileocolic vein obliteration (TIO). A 46-year-old male with a massive hematemesis was transported to our hospital by ambulance. Contrast-enhanced computed tomography demonstrated large gastric varices. Temporary hemostasis using balloon tamponade was attempted, however, bleeding could not be controlled, and his vital signs were unstable despite massive blood transfusions. First, endoscopic treatment was attempted, but the visual field could not be secured due to massive bleeding. Therefore, emergency TIO under general anesthesia was attempted. After laparotomy, 5 Fr. sheath was inserted into the ileocolic vein. Posterior and left gastric veins, which were the blood supply routes of gastric varices, were identified and embolized using microcoils and a 50% glucose solution. Hemostasis was achieved and vital signs recovered. Three days after TIO, transjugular retrograde obliteration was attempted successfully to embolize the residual gastric varices. After the procedures, his condition improved. We conclude that emergency TIO is a useful rescue option for life-threatening bleeding from gastric varices if endoscopic treatment or balloon tamponade is ineffective.
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Affiliation(s)
- Fumio Chikamori
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan,Corresponding author.
| | - Kai Mizobuchi
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Ryo Hamada
- Department of Radiology, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Satoshi Ito
- Department of Radiology, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Sunao Uemura
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Ryo Yamada
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Hisashi Matsuoka
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Nobuyuki Tanida
- Department of Surgery, Japanese Red Cross Kochi Hospital, 1-4-63-11 Hadaminamimachi, Kochi, 780-8562 Japan
| | - Niranjan Sharma
- Adv Train Gastroint & Organ Transp Surgery, 12 Scotland St., Dunedin, 9016, New Zealand
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18
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Nagasaki M, Sekiya Y, Asakura A, Teraoka R, Otokozawa R, Hashimoto H, Kawaguchi T, Fukazawa K, Inadomi Y, Murata KT, Ohkawa Y, Yamaguchi I, Mizuhara T, Tokunaga K, Sekiya Y, Hanawa T, Yamada R, Matsuda F. Design and implementation of a hybrid cloud system for large-scale human genomic research. Hum Genome Var 2023; 10:6. [PMID: 36755016 PMCID: PMC9908893 DOI: 10.1038/s41439-023-00231-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 02/10/2023] Open
Abstract
In the field of genomic medical research, the amount of large-scale information continues to increase due to advances in measurement technologies, such as high-performance sequencing and spatial omics, as well as the progress made in genomic cohort studies involving more than one million individuals. Therefore, researchers require more computational resources to analyze this information. Here, we introduce a hybrid cloud system consisting of an on-premise supercomputer, science cloud, and public cloud at the Kyoto University Center for Genomic Medicine in Japan as a solution. This system can flexibly handle various heterogeneous computational resource-demanding bioinformatics tools while scaling the computational capacity. In the hybrid cloud system, we demonstrate the way to properly perform joint genotyping of whole-genome sequencing data for a large population of 11,238, which can be a bottleneck in sequencing data analysis. This system can be one of the reference implementations when dealing with large amounts of genomic medical data in research centers and organizations.
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Affiliation(s)
- Masao Nagasaki
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research (CPIER), Kyoto University, Kyoto, Japan.
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - Yayoi Sekiya
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research (CPIER), Kyoto University, Kyoto, Japan
| | - Akihiro Asakura
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research (CPIER), Kyoto University, Kyoto, Japan
| | - Ryo Teraoka
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research (CPIER), Kyoto University, Kyoto, Japan
| | - Ryoko Otokozawa
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research (CPIER), Kyoto University, Kyoto, Japan
| | - Hiroki Hashimoto
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research (CPIER), Kyoto University, Kyoto, Japan
| | - Takahisa Kawaguchi
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Keiichiro Fukazawa
- Academic Center for Computing and Media Studies, Kyoto University, Kyoto, Japan
| | - Yuichi Inadomi
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ken T Murata
- ICT Testbed Research and Development Promotion Center National Institute of Information and Communications Technology (NICT), Tokyo, Japan
| | - Yasuyuki Ohkawa
- Division of Transcriptomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Izumi Yamaguchi
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | | | - Katsushi Tokunaga
- Genome Medical Science Project, National Center for Global Health and Medicine, Tokyo, Japan
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yuji Sekiya
- Information Technology Center, The University of Tokyo, Chiba, Japan
| | - Toshihiro Hanawa
- Information Technology Center, The University of Tokyo, Chiba, Japan
| | - Ryo Yamada
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research (CPIER), Kyoto University, Kyoto, Japan
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Fumihiko Matsuda
- Human Biosciences Unit for the Top Global Course Center for the Promotion of Interdisciplinary Education and Research (CPIER), Kyoto University, Kyoto, Japan
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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19
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Tsunoda S, Shimizu S, Suzuki Y, Tsunoda A, Yamada R, Shimose R, Kawabata M, Ogura M, Matsunaga A. Longitudinal changes in life-space mobility and the factors influencing it among chronic community-dwelling post-stroke patients. Disabil Rehabil 2022; 44:7872-7876. [PMID: 34894964 DOI: 10.1080/09638288.2021.2001054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
PURPOSE To identify longitudinal changes in life-space mobility and the factors influencing it among chronic, stable post-stroke patients. MATERIALS AND METHODS This prospective study included Japanese post-stroke patients who received day-care rehabilitation services and could undergo three life-space mobility assessments (at baseline, 12, and 24 months) for over 2 years, using the Life-Space Assessment (LSA) tool. Physical function, cognitive function, and activities of daily living were assessed by self-selected comfortable gait speed, Mini-Mental State Examination (MMSE), and Functional Independence Measure Motor subscale (FIM motor) scores, respectively, in addition to age, sex, time from onset, stroke type, and comorbidities. A multivariable linear mixed-effects model was used to examine the longitudinal changes in LSA scores and associated factors. RESULTS A total of 89 participants were enrolled. At baseline, the median age was 74 years, 33% were women, and median time from onset was 75 months. The LSA scores significantly declined over the two-year period. In the multivariate linear mixed-effects model adjusted for clinical characteristics, comfortable gait speed and age were significantly associated with changes in the LSA score, independent of FIM motor scores and MMSE scores. CONCLUSIONS Life-space mobility may persistently decline, and gait function may be a determinant influencing these changes in community-dwelling chronic post-stroke patients.Implications for RehabilitationLimited life-space mobility leads to less frequent participation in social activities and an increased risk of adverse health outcomes such as hospitalization.Changes in life-space mobility should be considered in the rehabilitation care plan for chronic post-stroke patients.Life-space mobility may decline persistently in stable post-stroke patients, even if they have periodically received day-care rehabilitation services.Since gait speed is a predominant factor affecting life-space mobility, regular assessment of gait function and appropriate strategies are needed to prevent deterioration of gait speed in chronic post-stroke patients.
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Affiliation(s)
- S Tsunoda
- Department of Rehabilitation, Shonan Fujisawa Tokushukai Hospital, Fujisawa, Japan.,Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan
| | - S Shimizu
- Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan.,Department of Rehabilitation, Kitasato University School of Allied Health Sciences, Sagamihara, Japan
| | - Y Suzuki
- Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan
| | - A Tsunoda
- Department of Rehabilitation, Chigasaki Tokushukai Hospital, Chigasaki, Japan
| | - R Yamada
- Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan
| | - R Shimose
- Department of Physical Therapy, Okayama Healthcare Professional University, Okayama, Japan
| | - M Kawabata
- Department of Rehabilitation, Kitasato University School of Allied Health Sciences, Sagamihara, Japan
| | - M Ogura
- Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan.,Department of Rehabilitation, Kitasato University School of Allied Health Sciences, Sagamihara, Japan
| | - A Matsunaga
- Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan.,Department of Rehabilitation, Kitasato University School of Allied Health Sciences, Sagamihara, Japan
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20
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Yamada R, Yoshimura T, Mori T, Nishioka K, Koizumi F, Nishikawa N, Fujita Y, Takahashi S, Kanehira T, Yokokawa K, Yamazaki R, Horita K, Tamura H, Wakabayashi Y, Ichiu Y, Aoyama H. Evaluation of Margin for Intra-Fractional Patient Motion during Single-Isocenter Multi Targets Volumetric Modulated Arc Therapy Stereotactic Radiation Therapy for Brain Metastases Using Actual Target Coordinates. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.814] [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: 11/26/2022]
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21
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Fujiwara W, Ishii H, Sobue Y, Shimizu S, Ishiguro T, Yamada R, Ueda S, Nishimura H, Niwa Y, Miyazaki A, Miyagi W, Takahara S, Naruse H, Ishii J, Kiyono K, Watanabe E, Izawa H. A simple proteinuria-based risk score predicts contrast-associated acute kidney injury after percutaneous coronary intervention. Sci Rep 2022; 12:12331. [PMID: 35853998 PMCID: PMC9296582 DOI: 10.1038/s41598-022-16690-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/13/2022] [Indexed: 11/09/2022] Open
Abstract
Contrast-associated acute kidney injury (CA-AKI) is a complication of percutaneous coronary intervention (PCI). Because proteinuria is a sentinel marker of renal dysfunction, we assessed its role in predicting CA-AKI in patients undergoing PCI. A total of 1,254 patients undergoing PCI were randomly assigned to a derivation (n = 840) and validation (n = 414) dataset. We identified the independent predictors of CA-AKI where CA-AKI was defined by the new criteria issued in 2020, by a multivariate logistic regression in the derivation dataset. We created a risk score from the remaining predictors. The discrimination and calibration of the risk score in the validation dataset were assessed by the area under the receiver-operating characteristic curves (AUC) and Hosmer–Lemeshow test, respectively. A total of 64 (5.1%) patients developed CA-AKI. The 3 variables of the risk score were emergency procedures, serum creatinine, and proteinuria, which were assigned 1 point each based on the correlation coefficient. The risk score demonstrated a good discriminative power (AUC 0.789, 95% CI 0.766–0.912) and significant calibration. It was strongly associated with the onset of CA-AKI (Cochran-Armitage test, p < 0.0001). Our risk score that included proteinuria was simple to obtain and calculate, and may be useful in assessing the CA-AKI risk before PCI.
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Affiliation(s)
- Wakaya Fujiwara
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan.
| | - Hideki Ishii
- Department of Cardiovascular Medicine, Graduate School of Medicine, Gunma University, Maebashi, Japan
| | - Yoshihiro Sobue
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Shinya Shimizu
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Tomoya Ishiguro
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Ryo Yamada
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Sayano Ueda
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Hideto Nishimura
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Yudai Niwa
- Department of Cardiology, Fujita Health University School of Medicine, Toyoake, Japan
| | - Akane Miyazaki
- Department of Cardiology, Fujita Health University School of Medicine, Toyoake, Japan
| | - Wataru Miyagi
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Shuhei Takahara
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Hiroyuki Naruse
- Department of Cardiology, Fujita Health University School of Medicine, Toyoake, Japan
| | - Junichi Ishii
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Ken Kiyono
- Division of Bioengineering, Graduate School of Engineering Science, Osaka University, Suita, Japan
| | - Eiichi Watanabe
- Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10 Otobashi, Nakagawa, Nagoya, 454-8509, Japan
| | - Hideo Izawa
- Department of Cardiology, Fujita Health University School of Medicine, Toyoake, Japan
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22
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Okada D, Okamoto Y, Io T, Oka M, Kobayashi D, Ito S, Yamada R, Ishii K, Ono K. Comparative Study of Transcriptome in the Hearts Isolated from Mice, Rats, and Humans. Biomolecules 2022; 12:biom12060859. [PMID: 35740984 PMCID: PMC9221511 DOI: 10.3390/biom12060859] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/16/2022] [Accepted: 06/17/2022] [Indexed: 01/27/2023] Open
Abstract
The heart is a significant organ in mammalian life, and the heartbeat mechanism has been an essential focus of science. However, few studies have focused on species differences. Accordingly, challenges remain in studying genes that have universal functions across species and genes that determine species differences. Here, we analyzed transcriptome data in mouse, rat, and human atria, ventricles, and sinoatrial nodes (SA) obtained from different platforms and compared them by calculating specificity measure (SPM) values in consideration of species differences. Among the three heart regions, the species differences in SA were the greatest, and we searched for genes that determined the essential characteristics of SA, which was SHOX2 in our criteria. The SPM value of SHOX2 was prominently high across species. Similarly, by calculating SPM values, we identified 3 atrial-specific, 11 ventricular-specific, and 17 SA-specific markers. Ontology analysis identified 70 cardiac region- and species-specific ontologies. These results suggest that reanalyzing existing data by calculating SPM values may identify novel tissue-specific genes and species-dependent gene expression. This study identified the importance of SHOX2 as an SA-specific transcription factor, a novel cardiac regional marker, and species-dependent ontologies.
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Affiliation(s)
- Daigo Okada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Shogoinkawahara-cho, Kyoto 606-8507, Japan; (D.O.); (R.Y.)
| | - Yosuke Okamoto
- Department of Cell Physiology, Akita Graduate School of Medicine, Hondo, Akita 010-8543, Japan; (D.K.); (S.I.); (K.O.)
- Correspondence:
| | - Toshiro Io
- Research Department, Ono Pharmaceutical Co., Ltd., Kyutaromachi, Osaka 618-8585, Japan; (T.I.); (M.O.)
| | - Miho Oka
- Research Department, Ono Pharmaceutical Co., Ltd., Kyutaromachi, Osaka 618-8585, Japan; (T.I.); (M.O.)
| | - Daiki Kobayashi
- Department of Cell Physiology, Akita Graduate School of Medicine, Hondo, Akita 010-8543, Japan; (D.K.); (S.I.); (K.O.)
| | - Suzuka Ito
- Department of Cell Physiology, Akita Graduate School of Medicine, Hondo, Akita 010-8543, Japan; (D.K.); (S.I.); (K.O.)
| | - Ryo Yamada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Shogoinkawahara-cho, Kyoto 606-8507, Japan; (D.O.); (R.Y.)
| | - Kuniaki Ishii
- Department of Pharmacology, Faculty of medicine, Yamagata University, Iida-Nishi, Yamagata 990-9585, Japan;
| | - Kyoichi Ono
- Department of Cell Physiology, Akita Graduate School of Medicine, Hondo, Akita 010-8543, Japan; (D.K.); (S.I.); (K.O.)
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23
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Takehana K, Sakamoto R, Fujimoto K, Matsuo Y, Nakajima N, Yoshizawa A, Menju T, Nakamura M, Yamada R, Mizowaki T, Nakamoto Y. Peritumoral radiomics features on preoperative thin-slice CT images can predict the spread through air spaces of lung adenocarcinoma. Sci Rep 2022; 12:10323. [PMID: 35725754 PMCID: PMC9209514 DOI: 10.1038/s41598-022-14400-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 06/06/2022] [Indexed: 11/16/2022] Open
Abstract
The spread through air spaces (STAS) is recognized as a negative prognostic factor in patients with early-stage lung adenocarcinoma. The present study aimed to develop a machine learning model for the prediction of STAS using peritumoral radiomics features extracted from preoperative CT imaging. A total of 339 patients who underwent lobectomy or limited resection for lung adenocarcinoma were included. The patients were randomly divided (3:2) into training and test cohorts. Two prediction models were created using the training cohort: a conventional model based on the tumor consolidation/tumor (C/T) ratio and a machine learning model based on peritumoral radiomics features. The areas under the curve for the two models in the testing cohort were 0.70 and 0.76, respectively (P = 0.045). The cumulative incidence of recurrence (CIR) was significantly higher in the STAS high-risk group when using the radiomics model than that in the low-risk group (44% vs. 4% at 5 years; P = 0.002) in patients who underwent limited resection in the testing cohort. In contrast, the 5-year CIR was not significantly different among patients who underwent lobectomy (17% vs. 11%; P = 0.469). In conclusion, the machine learning model for STAS prediction based on peritumoral radiomics features performed better than the C/T ratio model.
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Affiliation(s)
- Keiichi Takehana
- Department of Radiation Oncology and Image-Applied Therapy, Graduate School of Medicine, Kyoto University, 54 Shogoinkawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Ryo Sakamoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Koji Fujimoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yukinori Matsuo
- Department of Radiation Oncology and Image-Applied Therapy, Graduate School of Medicine, Kyoto University, 54 Shogoinkawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Naoki Nakajima
- Department of Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akihiko Yoshizawa
- Department of Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Toshi Menju
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Mitsuhiro Nakamura
- Division of Medical Physics, Department of Information Technology and Medical Engineering, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryo Yamada
- Department of Statistical Genetics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takashi Mizowaki
- Department of Radiation Oncology and Image-Applied Therapy, Graduate School of Medicine, Kyoto University, 54 Shogoinkawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Yuji Nakamoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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24
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Phelps C, Hardie A, Madison K, Chamberlin J, Rios A, Mendez S, Yamada R. Abstract No. 536 Dual energy iodine overlay images reduce time to interpret active arterial extravasation, particularly for less experienced readers. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.518] [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] Open
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25
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Mori Y, Miyake M, Hosoda Y, Miki A, Takahashi A, Muraoka Y, Miyata M, Sato T, Tamura H, Ooto S, Yamada R, Yamashiro K, Nakamura M, Tajima A, Nagasaki M, Honda S, Tsujikawa A. Genome-wide Survival Analysis for Macular Neovascularization Development in Central Serous Chorioretinopathy Revealed Shared Genetic Susceptibility with Polypoidal Choroidal Vasculopathy. Ophthalmology 2022; 129:1034-1042. [PMID: 35490733 DOI: 10.1016/j.ophtha.2022.04.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 04/04/2022] [Accepted: 04/22/2022] [Indexed: 10/18/2022] Open
Abstract
PURPOSE To identify susceptibility genes for macular neovascularization (MNV) development in central serous chorioretinopathy (CSC). DESIGN Genome-wide survival analysis using a longitudinal cohort study. PARTICIPANTS We included 402 and 137 patients with CSC but without MNV at their first visit from the Kyoto CSC Cohort and Kobe CSC dataset, respectively. All patients underwent detailed ophthalmologic examinations, including multimodal imaging, such as fundus autofluorescence, spectral-domain optical coherence tomography, and fluorescein angiography/indocyanine green angiography and/or optimal coherence tomography angiography. METHODS We conducted a genome-wide survival analysis using the Kyoto CSC Cohort. We applied the Cox proportional hazard model to adjust for age, sex, and the first principal component. Single nucleotide polymorphisms (SNPs) with P-values <1.0×10-5 were carried forward to the replication in the Kobe CSC dataset. Moreover, we evaluated the contribution of previously-reported age-related macular degeneration (AMD) susceptibility loci. We used FUMA and ToppFun for the functional enrichment analysis. MAIN OUTCOME MEASURES The association between SNPs and MNV development in patients with CSC. RESULTS Rs370974631 near ARMS2 displayed a genome-wide significant association in the meta-analysis of discovery and replication result (hazard ratio [HR]meta = 3.63; Pmeta = 5.76×10-9). Among previously-reported AMD susceptibility loci, we additionally identified CFH rs800292 (HR = 0.39, P = 2.55×10-4), COL4A3 rs4276018 (HR = 0.26, P = 1.56×10-3), and B3GALTL rs9564692 (HR = 0.56, P = 8.30×10-3) as susceptibility loci for MNV development in CSC. The functional enrichment analysis revealed significant enrichment of eight pathways (GO:0051561, GO:0036444, GO:0008282, GO:1990246, GO:0015272, GO:0030955, GO:0031420, and GO:0005242) related to ion transport. CONCLUSIONS ARMS2, CFH, COL4A3, and B3GALTL were identified as susceptibility genes for MNV development in CSC. The aforementioned four genes are known as susceptibility genes for AMD, whereas COL4A3 and B3GALTL were previously reported to be polypoidal choroidal vasculopathy (PCV)-specific susceptibility genes. Our findings revealed the shared genetic susceptibility between PCV and MNV secondary to CSC.
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Affiliation(s)
- Yuki Mori
- Department of Ophthalmology, Kyoto University Graduate School of Medicine, Kyoto, Japan; Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masahiro Miyake
- Department of Ophthalmology, Kyoto University Graduate School of Medicine, Kyoto, Japan; Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | | | - Akiko Miki
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ayako Takahashi
- Department of Ophthalmology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuki Muraoka
- Department of Ophthalmology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Manabu Miyata
- Department of Ophthalmology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Takehiro Sato
- Department of Bioinformatics and Genomics, Graduate School of Advanced Preventive Medical Sciences, Kanazawa University, Kanazawa, Ishikawa Japan
| | - Hiroshi Tamura
- Department of Ophthalmology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Sotaro Ooto
- Department of Ophthalmology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Ryo Yamada
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kenji Yamashiro
- Department of Ophthalmology and Visual Science, Kochi Medical School, Kochi University, Nankoku City, Kochi, Japan
| | - Makoto Nakamura
- Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Atsushi Tajima
- Department of Bioinformatics and Genomics, Graduate School of Advanced Preventive Medical Sciences, Kanazawa University, Kanazawa, Ishikawa Japan
| | - Masao Nagasaki
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Shigeru Honda
- Department of Medical Statistics, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Akitaka Tsujikawa
- Department of Ophthalmology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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26
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Ishiguro T, Hayashi M, Fujiwara W, Okumura S, Yoshinaga M, Yamada R, Ueda S, Ito T, Niwa Y, Miyazaki A, Harada M, Naruse H, Ishii J, Ozaki Y, Izawa H. Circulating miR-489 as a potential new biomarker for idiopathic dilated cardiomyopathy. Fujita Med J 2022; 7:18-22. [PMID: 35111539 PMCID: PMC8749486 DOI: 10.20407/fmj.2020-001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 04/20/2020] [Indexed: 01/15/2023]
Abstract
Objectives:
MicroRNAs (miRNA) are functional RNAs that have emerged as pivotal gene expression
regulators in cardiac disease. Although several cardiomyocyte miRNAs have been reported to
play roles in heart failure progression among patients with idiopathic dilated cardiomyopathy
(DCM), the role of circulating miRNAs has not yet been well-examined. Methods:
After total RNA extraction from the peripheral blood samples of three control
participants and six patients with DCM, miRNA profiling was performed using miRNA arrays.
Based on the results of this initial screening, real-time polymerase chain reaction (RT-PCR)
was used to perform a quantitative analysis of blood samples from a larger number of matched
patients (DCM, n=20; controls, n=5). Finally, the
correlations between specific miRNA expression levels and hemodynamic parameters were
analyzed. Results:
A primary screening of 2,565 miRNAs resulted in the identification of nine miRNA
candidates. Quantitative RT-PCR results revealed significantly increased miR-489 expression
levels in the DCM group. Moreover, there was a significant positive correlation between
miR-489 expression level and left ventricular ejection fraction. Conclusions:
Our results suggest that circulating miR-489 could be a potential noninvasive
diagnostic biomarker for DCM. Additionally, the quantification of circulating miR-489 may have
value as a potential prognostic marker for patients with DCM.
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Affiliation(s)
- Tomoya Ishiguro
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Mutsuharu Hayashi
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Wakaya Fujiwara
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Satoshi Okumura
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Masataka Yoshinaga
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Ryo Yamada
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Sayano Ueda
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Takehiro Ito
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Yudai Niwa
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Akane Miyazaki
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Masahide Harada
- Department of Cardiology, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan
| | - Hiroyuki Naruse
- Department of Cardiology, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan
| | - Junnichi Ishii
- Department of Cardiology, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan
| | - Yukio Ozaki
- Department of Cardiology, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan
| | - Hideo Izawa
- Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
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Kondo T, Hara N, Koyama S, Yada Y, Tsukita K, Nagahashi A, Ikeuchi T, Ishii K, Asada T, Arai T, Yamada R, Inoue H. Dissection of the polygenic architecture of neuronal Aβ production using a large sample of individual iPSC lines derived from Alzheimer's disease patients. Nat Aging 2022; 2:125-139. [PMID: 37117761 DOI: 10.1038/s43587-021-00158-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 11/23/2021] [Indexed: 04/30/2023]
Abstract
Genome-wide association studies have demonstrated that polygenic risks shape Alzheimer's disease (AD). To elucidate the polygenic architecture of AD phenotypes at a cellular level, we established induced pluripotent stem cells from 102 patients with AD, differentiated them into cortical neurons and conducted a genome-wide analysis of the neuronal production of amyloid β (Aβ). Using such a cellular dissection of polygenicity (CDiP) approach, we identified 24 significant genome-wide loci associated with alterations in Aβ production, including some loci not previously associated with AD, and confirmed the influence of some of the corresponding genes on Aβ levels by the use of small interfering RNA. CDiP genotype sets improved the predictions of amyloid positivity in the brains and cerebrospinal fluid of patients in the Alzheimer's Disease Neuroimaging Initiative (ADNI) cohort. Secondary analyses of exome sequencing data from the Japanese ADNI and the ADNI cohorts focused on the 24 CDiP-derived loci associated with alterations in Aβ led to the identification of rare AD variants in KCNMA1.
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Affiliation(s)
- Takayuki Kondo
- Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan
| | - Norikazu Hara
- Department of Molecular Genetics, Brain Research Institute, Niigata University, Niigata, Japan
| | - Satoshi Koyama
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yuichiro Yada
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan
| | - Kayoko Tsukita
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan
| | - Ayako Nagahashi
- Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Takeshi Ikeuchi
- Department of Molecular Genetics, Brain Research Institute, Niigata University, Niigata, Japan
| | - Kenji Ishii
- Research Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Takashi Asada
- Department of Psychiatry, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Tetsuaki Arai
- Department of Psychiatry, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Ryo Yamada
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Haruhisa Inoue
- Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan.
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan.
- iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan.
- Institute for Advancement of Clinical and Translational Science (iACT), Kyoto University Hospital, Kyoto, Japan.
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Yamada R, Nogawa T, Takayama Y, Iwata K, Saito M, Yokoyama A. Comparison of the prognosis of the remaining teeth between implant-supported fixed prostheses and removable partial dentures in partially edentulous patients: A retrospective study. Clin Implant Dent Relat Res 2022; 24:83-93. [PMID: 35019228 DOI: 10.1111/cid.13064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/21/2021] [Accepted: 12/24/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND There have been several reports about the prognosis of teeth adjacent to edentulous spaces for implant-supported fixed prostheses (ISFPs) and removable partial dentures (RPDs). However, there are few reports about the prognosis of the other remaining teeth comparing ISFPs with RPDs. PURPOSE The aim of this study was to evaluate and compare the prognosis of the remaining teeth for ISFPs and RPDs in terms of survival and complication-free rates. METHODS Subjects were partially edentulous patients with ISFPs or RPDs inserted in 2003-2016. Teeth adjacent to edentulous spaces (A-teeth), teeth not adjacent to edentulous spaces (R-teeth), and teeth opposing edentulous spaces (O-teeth) were investigated. The endpoints were tooth extraction and complications. A multivariate cox regression model was used to estimate the risk factors for survival of the investigated teeth. RESULTS A total of 233 (ISFP: 89, RPD: 144) patients were included in the statistical analyses. An IFSP prosthesis, when compared to an RPD prosthesis did not significantly decrease the tooth loss rate for A-teeth (hazard ratio [HR]: 0.76; 95% confidence interval [CI]: 0.30-1.92), for R-teeth (HR: 0.54; 95% CI: 0.28-1.05), or for O-teeth (HR: 0.45; 95% CI: 0.10-2.09). CONCLUSIONS In partially edentulous spaces, the difference between ISFPs and RPDs does not affect the prognosis of teeth adjacent to edentulous spaces, teeth not adjacent to edentulous spaces, and teeth opposing edentulous spaces. Namely, our findings suggest that it depends largely on the tooth type, jaw, endodontic therapy performed, not on the type of prostheses.
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Affiliation(s)
- Ryo Yamada
- Department of Oral Functional Prosthodontics, Division of Oral Functional Science, Graduate School of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Toshifumi Nogawa
- Department of Preventive Dentistry, Hokkaido University Hospital Sapporo, Sapporo, Hokkaido, Japan
| | - Yoshiyuki Takayama
- Department of Oral Rehabilitation, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Kai Iwata
- Department of Oral Functional Prosthodontics, Division of Oral Functional Science, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Masayasu Saito
- Department of Oral Functional Prosthodontics, Division of Oral Functional Science, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Atsuro Yokoyama
- Department of Oral Functional Prosthodontics, Division of Oral Functional Science, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
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29
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Okada D, Cheng JH, Zheng C, Yamada R. Data-driven comparison of multiple high-dimensional single-cell expression profiles. J Hum Genet 2022; 67:215-221. [PMID: 34719682 PMCID: PMC8948086 DOI: 10.1038/s10038-021-00989-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/11/2021] [Accepted: 10/18/2021] [Indexed: 11/09/2022]
Abstract
Comparing multiple single-cell expression datasets such as cytometry and scRNA-seq data between case and control donors provides information to elucidate the mechanisms of disease. We propose a completely data-driven computational biological method for this task. This overcomes the challenges of conventional cellular subset-based comparisons and facilitates further analyses such as machine learning and gene set analysis of single-cell expression datasets.
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Affiliation(s)
- Daigo Okada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Jian Hao Cheng
- grid.258799.80000 0004 0372 2033Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507 Japan
| | - Cheng Zheng
- grid.258799.80000 0004 0372 2033Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507 Japan
| | - Ryo Yamada
- grid.258799.80000 0004 0372 2033Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507 Japan
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Okada D, Zheng C, Cheng JH, Yamada R. Cell population-based framework of genetic epidemiology in the single-cell omics era. Bioessays 2021; 44:e2100118. [PMID: 34821401 DOI: 10.1002/bies.202100118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 09/18/2021] [Accepted: 11/02/2021] [Indexed: 12/23/2022]
Abstract
Genetic epidemiology is a rapidly advancing field due to the recent availability of large amounts of omics data. In recent years, it has become possible to obtain omics information at the single-cell level, so genetic epidemiological models need to be updated to integrate with single-cell expression data. In this perspective paper, we propose a cell population-based framework for genetic epidemiology in the single-cell era. In this framework, genetic diversity influences phenotypic diversity through the diversity of cell population profiles, which are defined as high-dimensional probability distributions of the state spaces of biomolecules of each omics layer. We discuss how biomolecular experimental measurement data can capture the different properties of this distribution. In particular, single-cell data constitute a sample from this population distribution where only some coordinate values are observable. From a data analysis standpoint, we introduce methodology for feature extraction from cell population profiles. Finally, we discuss how this framework can be applied not only to genetic epidemiology but also to systems biology.
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Affiliation(s)
- Daigo Okada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Cheng Zheng
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Jian Hao Cheng
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Ryo Yamada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan
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31
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Yamada R, Yanagita M. Unexpected cause of vemurafenib-induced nephrotoxicity: ferrochelatase. Kidney Int 2021; 100:1158-1160. [PMID: 34802553 DOI: 10.1016/j.kint.2021.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/04/2021] [Accepted: 09/08/2021] [Indexed: 11/29/2022]
Abstract
Among v-raf murine sarcoma viral oncogene homolog B1 inhibitors, vemurafenib causes a higher incidence of nephrotoxicity. Bai et al. reported that vemurafenib-induced nephrotoxicity is not directly caused by viral oncogene homolog B1 inhibition but is partly caused by ferrochelatase inhibition in renal tubular epithelial cells. Because several other protein kinase inhibitors are also known to cause ferrochelatase inhibition, further studies are needed to elucidate the role of ferrochelatase in renal function and injury.
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Affiliation(s)
- Ryo Yamada
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Motoko Yanagita
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Institute for the Advanced Study of Human Biology, Kyoto University, Kyoto, Japan.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Agnew JP, Alexeev GD, Alkhazov G, Alton A, Alves GA, Antchev G, Askew A, Aspell P, Assis Jesus ACS, Atanassov I, Atkins S, Augsten K, Aushev V, Aushev Y, Avati V, Avila C, Badaud F, Baechler J, Bagby L, Baldenegro Barrera C, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Bean A, Begalli M, Bellantoni L, Berardi V, Beri SB, Bernardi G, Bernhard R, Berretti M, Bertram I, Besançon M, Beuselinck R, Bhat PC, Bhatia S, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borchsh V, Borissov G, Borysova M, Bossini E, Bottigli U, Bozzo M, Brandt A, Brandt O, Brochmann M, Brock R, Bross A, Brown D, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burkhardt H, Buszello CP, Cafagna FS, Camacho-Pérez E, Carvalho W, Casey BCK, Castilla-Valdez H, Catanesi MG, Caughron S, Chakrabarti S, Chan KM, Chandra A, Chapon E, Chen G, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Csanád M, Csörgő T, Cuth J, Cutts D, da Motta H, Das A, Davies G, Deile M, de Jong SJ, De La Cruz-Burelo E, De Leonardis F, Déliot F, Demina R, Denisov D, Denisov SP, De Oliveira Martins C, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Doubek M, Drutskoy A, Druzhkin D, Dubey A, Dudko LV, Duperrin A, Dutt S, Eads M, Edmunds D, Eggert K, Ellison J, Elvira VD, Enari Y, Eremin V, Evans H, Evdokimov A, Evdokimov VN, Fauré A, Feng L, Ferbel T, Ferro F, Fiedler F, Fiergolski A, Filthaut F, Fisher W, Fisk HE, Forthomme L, Fortner M, Fox H, Franc J, Fuess S, Garbincius PH, Garcia F, Garcia-Bellido A, García-González JA, Gavrilov V, Geng W, Georgiev V, Gerber CE, Gershtein Y, Giani S, Ginther G, Gogota O, Golovanov G, Grannis PD, Greder S, Greenlee H, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Grzanka L, Guillemin T, Gutierrez G, Gutierrez P, Haley J, Hammerbauer J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hogan J, Hohlfeld M, Holzbauer JL, Howley I, Hubacek Z, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Isidori T, Ito AS, Ivanchenko V, Jabeen S, Jaffré M, Janda M, Jayasinghe A, Jeong MS, Jesik R, Jiang P, Johns K, Johnson E, Johnson M, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kajfasz E, Karev A, Karmanov D, Kašpar J, Katsanos I, Kaur M, Kaynak B, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kiselevich I, Kohli JM, Kopal J, Kozelov AV, Kraus J, Kumar A, Kundrát V, Kupco A, Kurča T, Kuzmin VA, Lami S, Lammers S, Latino G, Lebrun P, Lee HS, Lee SW, Lee WM, Le X, Lellouch J, Li D, Li H, Li L, Li QZ, Lim JK, Lincoln D, Lindsey C, Linhart R, Linnemann J, Lipaev VV, Lipton R, Liu H, Liu Y, Lobodenko A, Lokajicek M, Lokajíček MV, Lopes de Sa R, Losurdo L, Lucas Rodríguez F, Luna-Garcia R, Lyon AL, Maciel AKA, Macrí M, Madar R, Magaña-Villalba R, Malawski M, Malbouisson HB, Malik S, Malyshev VL, Mansour J, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Minafra N, Minutoli S, Molina J, Mondal NK, Mulhearn M, Mundim L, Naaranoja T, Nagy E, Narain M, Nayyar R, Neal HA, Negret JP, Nemes F, Neustroev P, Nguyen HT, Niewiadomski H, Novák T, Nunnemann T, Oguri V, Oliveri E, Oljemark F, Orduna J, Oriunno M, Osman N, Österberg K, Pal A, Palazzi P, Parashar N, Parihar V, Park SK, Partridge R, Parua N, Pasechnik R, Passaro V, Patwa A, Penning B, Perfilov M, Peroutka Z, Peters Y, Petridis K, Petrillo G, Pétroff P, Pleier MA, Podstavkov VM, Popov AV, Prado da Silva WL, Prewitt M, Price D, Procházka J, Prokopenko N, Qian J, Quadt A, Quinn B, Quinto M, Raben TG, Radermacher E, Radicioni E, Rangel M, Ratoff PN, Ravotti F, Razumov I, Ripp-Baudot I, Rizatdinova F, Robutti E, Rodrigues RF, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Ruggiero G, Saarikko H, Sajot G, Samoylenko VD, Sánchez-Hernández A, Sanders MP, Santoro A, Santos AS, Savage G, Savitskyi M, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schott M, Schwanenberger C, Schwienhorst R, Scribano A, Sekaric J, Severini H, Shabalina E, Shary V, Shaw S, Shchukin AA, Shkola O, Simak V, Siroky J, Skubic P, Slattery P, Smajek J, Snoeys W, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stefaniuk N, Stefanovitch R, Ster A, Stoyanova DA, Strauss M, Suter L, Svoisky P, Szanyi I, Sziklai J, Taylor C, Tcherniaev E, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Turini N, Urban O, Uvarov L, Uvarov S, Uzunyan S, Vacek V, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Vavroch O, Verkheev AY, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang C, Wang MHLS, Warchol J, Watts G, Wayne M, Weichert J, Welti J, Welty-Rieger L, Williams J, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Yamada R, Yang S, Yasuda T, Yatsunenko YA, Ye W, Ye Z, Yin H, Yip K, Youn SW, Yu JM, Zennamo J, Zhao TG, Zhou B, Zhu J, Zich J, Zielinski K, Zielinski M, Zieminska D, Zivkovic L. Odderon Exchange from Elastic Scattering Differences between pp and pp[over ¯] Data at 1.96 TeV and from pp Forward Scattering Measurements. Phys Rev Lett 2021; 127:062003. [PMID: 34420329 DOI: 10.1103/physrevlett.127.062003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/19/2021] [Accepted: 06/10/2021] [Indexed: 06/13/2023]
Abstract
We describe an analysis comparing the pp[over ¯] elastic cross section as measured by the D0 Collaboration at a center-of-mass energy of 1.96 TeV to that in pp collisions as measured by the TOTEM Collaboration at 2.76, 7, 8, and 13 TeV using a model-independent approach. The TOTEM cross sections, extrapolated to a center-of-mass energy of sqrt[s]=1.96 TeV, are compared with the D0 measurement in the region of the diffractive minimum and the second maximum of the pp cross section. The two data sets disagree at the 3.4σ level and thus provide evidence for the t-channel exchange of a colorless, C-odd gluonic compound, also known as the odderon. We combine these results with a TOTEM analysis of the same C-odd exchange based on the total cross section and the ratio of the real to imaginary parts of the forward elastic strong interaction scattering amplitude in pp scattering for which the significance is between 3.4σ and 4.6σ. The combined significance is larger than 5σ and is interpreted as the first observation of the exchange of a colorless, C-odd gluonic compound.
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Affiliation(s)
- V M Abazov
- Joint Institute for Nuclear Research, Dubna 141980, Russia
| | - B Abbott
- University of Oklahoma, Norman, Oklahoma 73019, USA
| | - B S Acharya
- Tata Institute of Fundamental Research, Mumbai-400 005, India
| | - M Adams
- University of Illinois at Chicago, Chicago, Illinois 60607, USA
| | - T Adams
- Florida State University, Tallahassee, Florida 32306, USA
| | - J P Agnew
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - G D Alexeev
- Joint Institute for Nuclear Research, Dubna 141980, Russia
| | - G Alkhazov
- Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia
| | - A Alton
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - G A Alves
- LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, RJ 22290, Brazil
| | - G Antchev
- INRNE-BAS, Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria
| | - A Askew
- Florida State University, Tallahassee, Florida 32306, USA
| | - P Aspell
- CERN, 1211 Geneva 23, Switzerland
| | - A C S Assis Jesus
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - I Atanassov
- INRNE-BAS, Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria
| | - S Atkins
- Louisiana Tech University, Ruston, Louisiana 71272, USA
| | - K Augsten
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
| | - V Aushev
- Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine
| | - Y Aushev
- Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine
| | - V Avati
- AGH University of Science and Technology, 30-059 Krakow, Poland
- CERN, 1211 Geneva 23, Switzerland
| | - C Avila
- Universidad de los Andes, Bogotá 111711, Colombia
| | - F Badaud
- LPC, Université Blaise Pascal, CNRS/IN2P3, Clermont, F-63178 Aubière Cedex, France
| | | | - L Bagby
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | | | - B Baldin
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D V Bandurin
- University of Virginia, Charlottesville, Virginia 22904, USA
| | - S Banerjee
- Tata Institute of Fundamental Research, Mumbai-400 005, India
| | - E Barberis
- Northeastern University, Boston, Massachusetts 02115, USA
| | - P Baringer
- University of Kansas, Lawrence, Kansas 66045, USA
| | - J Barreto
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - J F Bartlett
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - U Bassler
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - V Bazterra
- University of Illinois at Chicago, Chicago, Illinois 60607, USA
| | - A Bean
- University of Kansas, Lawrence, Kansas 66045, USA
| | - M Begalli
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - L Bellantoni
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - V Berardi
- INFN Sezione di Bari, 70126 Bari, Italy
- Dipartimento Interateneo di Fisica di Bari, 70126 Bari, Italy
| | - S B Beri
- Panjab University, Chandigarh 160014, India
| | - G Bernardi
- LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France
| | - R Bernhard
- Physikalisches Institut, Universität Freiburg, 79085 Freiburg, Germany
| | - M Berretti
- Helsinki Institute of Physics, 00014 University of Helsinki, Helsinki, Finland
| | - I Bertram
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | - M Besançon
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - R Beuselinck
- Imperial College London, London SW7 2AZ, United Kingdom
| | - P C Bhat
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S Bhatia
- University of Mississippi, University, Mississippi 38677, USA
| | | | - G Blazey
- Northern Illinois University, DeKalb, Illinois 60115, USA
| | - S Blessing
- Florida State University, Tallahassee, Florida 32306, USA
| | - K Bloom
- University of Nebraska, Lincoln, Nebraska 68588, USA
| | - A Boehnlein
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Boline
- State University of New York, Stony Brook, New York 11794, USA
| | - E E Boos
- Moscow State University, Moscow 119991, Russia
| | - V Borchsh
- Tomsk State University, Tomsk 634050, Russia
| | - G Borissov
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | - M Borysova
- Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine
| | - E Bossini
- Università degli Studi di Siena and Gruppo Collegato INFN di Siena, 53100 Siena, Italy
- CERN, 1211 Geneva 23, Switzerland
| | - U Bottigli
- Università degli Studi di Siena and Gruppo Collegato INFN di Siena, 53100 Siena, Italy
| | - M Bozzo
- INFN Sezione di Genova, 16146 Genova, Italy
- Università degli Studi di Genova, 16146 Genova, Italy
| | - A Brandt
- University of Texas, Arlington, Texas 76019, USA
| | - O Brandt
- II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany
| | - M Brochmann
- University of Washington, Seattle, Washington 98195, USA
| | - R Brock
- Michigan State University, East Lansing, Michigan 48824, USA
| | - A Bross
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Brown
- LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France
| | - X B Bu
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Buehler
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - V Buescher
- Institut für Physik, Universität Mainz, 55099 Mainz, Germany
| | - V Bunichev
- Moscow State University, Moscow 119991, Russia
| | - S Burdin
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | | | | | | | | | - W Carvalho
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - B C K Casey
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | | | | | - S Caughron
- Michigan State University, East Lansing, Michigan 48824, USA
| | - S Chakrabarti
- State University of New York, Stony Brook, New York 11794, USA
| | - K M Chan
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - A Chandra
- Rice University, Houston, Texas 77005, USA
| | - E Chapon
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - G Chen
- University of Kansas, Lawrence, Kansas 66045, USA
| | - S W Cho
- Korea Detector Laboratory, Korea University, Seoul 02841, Korea
| | - S Choi
- Korea Detector Laboratory, Korea University, Seoul 02841, Korea
| | | | - S Cihangir
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Claes
- University of Nebraska, Lincoln, Nebraska 68588, USA
| | - J Clutter
- University of Kansas, Lawrence, Kansas 66045, USA
| | - M Cooke
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - W E Cooper
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Corcoran
- Rice University, Houston, Texas 77005, USA
| | - F Couderc
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - M-C Cousinou
- CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France
| | - M Csanád
- Eötvös University, 1117 Budapest, Pázmány P. sétány 1/A, Hungary
- Wigner Research Centre for Physics, RMI, 1121 Budapest, Hungary
| | - T Csörgő
- Wigner Research Centre for Physics, RMI, 1121 Budapest, Hungary
- MATE Institute of Technology KRC, 3200 Gyöngyös, Hungary
| | - J Cuth
- Institut für Physik, Universität Mainz, 55099 Mainz, Germany
| | - D Cutts
- Brown University, Providence, Rhode Island 02912, USA
| | - H da Motta
- Southern Methodist University, Dallas, Texas 75275, USA
| | - A Das
- Southern Methodist University, Dallas, Texas 75275, USA
| | - G Davies
- Imperial College London, London SW7 2AZ, United Kingdom
| | - M Deile
- CERN, 1211 Geneva 23, Switzerland
| | - S J de Jong
- Nikhef, Science Park, 1098 XG Amsterdam, Netherlands
- Radboud University Nijmegen, 6525 AJ Nijmegen, Netherlands
| | | | - F De Leonardis
- INFN Sezione di Bari, 70126 Bari, Italy
- Dipartimento di Ingegneria Elettrica e dell'Informazione-Politecnico di Bari, 70125 Bari, Italy
| | - F Déliot
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - R Demina
- University of Rochester, Rochester, New York 14627, USA
| | - D Denisov
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S P Denisov
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | | | - S Desai
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - C Deterre
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - K DeVaughan
- University of Nebraska, Lincoln, Nebraska 68588, USA
| | - H T Diehl
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Diesburg
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P F Ding
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - A Dominguez
- University of Nebraska, Lincoln, Nebraska 68588, USA
| | - M Doubek
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
| | - A Drutskoy
- Institute for Theoretical and Experimental Physics, Moscow 117259, Russia
| | - D Druzhkin
- Tomsk State University, Tomsk 634050, Russia
- CERN, 1211 Geneva 23, Switzerland
| | - A Dubey
- Delhi University, Delhi-110 007, India
| | - L V Dudko
- Moscow State University, Moscow 119991, Russia
| | - A Duperrin
- CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France
| | - S Dutt
- Panjab University, Chandigarh 160014, India
| | - M Eads
- Northern Illinois University, DeKalb, Illinois 60115, USA
| | - D Edmunds
- Michigan State University, East Lansing, Michigan 48824, USA
| | - K Eggert
- Case Western Reserve University, Department of Physics, Cleveland, Ohio 44106, USA
| | - J Ellison
- University of California Riverside, Riverside, California 92521, USA
| | - V D Elvira
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - Y Enari
- LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France
| | - V Eremin
- Ioffe Physical-Technical Institute of Russian Academy of Sciences, St. Petersburg 194021, Russian Federation
| | - H Evans
- Indiana University, Bloomington, Indiana 47405, USA
| | - A Evdokimov
- University of Illinois at Chicago, Chicago, Illinois 60607, USA
| | - V N Evdokimov
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - A Fauré
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - L Feng
- Northern Illinois University, DeKalb, Illinois 60115, USA
| | - T Ferbel
- University of Rochester, Rochester, New York 14627, USA
| | - F Ferro
- INFN Sezione di Genova, 16146 Genova, Italy
| | - F Fiedler
- Institut für Physik, Universität Mainz, 55099 Mainz, Germany
| | | | - F Filthaut
- Nikhef, Science Park, 1098 XG Amsterdam, Netherlands
- Radboud University Nijmegen, 6525 AJ Nijmegen, Netherlands
| | - W Fisher
- Michigan State University, East Lansing, Michigan 48824, USA
| | - H E Fisk
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - L Forthomme
- Helsinki Institute of Physics, 00014 University of Helsinki, Helsinki, Finland
- Department of Physics, 00014 University of Helsinki, Helsinki, Finland
| | - M Fortner
- Northern Illinois University, DeKalb, Illinois 60115, USA
| | - H Fox
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | - J Franc
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
| | - S Fuess
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P H Garbincius
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - F Garcia
- Helsinki Institute of Physics, 00014 University of Helsinki, Helsinki, Finland
| | | | | | - V Gavrilov
- Institute for Theoretical and Experimental Physics, Moscow 117259, Russia
| | - W Geng
- CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France
- Michigan State University, East Lansing, Michigan 48824, USA
| | - V Georgiev
- University of West Bohemia, 301 00 Pilsen, Czech Republic
| | - C E Gerber
- University of Illinois at Chicago, Chicago, Illinois 60607, USA
| | - Y Gershtein
- Rutgers University, Piscataway, New Jersey 08855, USA
| | - S Giani
- CERN, 1211 Geneva 23, Switzerland
| | - G Ginther
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - O Gogota
- Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine
| | - G Golovanov
- Joint Institute for Nuclear Research, Dubna 141980, Russia
| | - P D Grannis
- State University of New York, Stony Brook, New York 11794, USA
| | - S Greder
- IPHC, Université de Strasbourg, CNRS/IN2P3, F-67037 Strasbourg, France
| | - H Greenlee
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - G Grenier
- IPNL, Université Lyon 1, CNRS/IN2P3, F-69622 Villeurbanne Cedex, France and Université de Lyon, F-69361 Lyon CEDEX 07, France
| | - Ph Gris
- LPC, Université Blaise Pascal, CNRS/IN2P3, Clermont, F-63178 Aubière Cedex, France
| | - J-F Grivaz
- LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay Cedex, France
| | - A Grohsjean
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - S Grünendahl
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | | | - L Grzanka
- AGH University of Science and Technology, 30-059 Krakow, Poland
| | - T Guillemin
- LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay Cedex, France
| | - G Gutierrez
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P Gutierrez
- University of Oklahoma, Norman, Oklahoma 73019, USA
| | - J Haley
- Oklahoma State University, Stillwater, Oklahoma 74078, USA
| | - J Hammerbauer
- University of West Bohemia, 301 00 Pilsen, Czech Republic
| | - L Han
- University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - K Harder
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - A Harel
- University of Rochester, Rochester, New York 14627, USA
| | | | - J Hays
- Imperial College London, London SW7 2AZ, United Kingdom
| | - T Head
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - T Hebbeker
- III. Physikalisches Institut A, RWTH Aachen University, 52056 Aachen, Germany
| | - D Hedin
- Northern Illinois University, DeKalb, Illinois 60115, USA
| | - H Hegab
- Oklahoma State University, Stillwater, Oklahoma 74078, USA
| | - A P Heinson
- University of California Riverside, Riverside, California 92521, USA
| | - U Heintz
- Brown University, Providence, Rhode Island 02912, USA
| | - C Hensel
- LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, RJ 22290, Brazil
| | | | - K Herner
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - G Hesketh
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - M D Hildreth
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - R Hirosky
- University of Virginia, Charlottesville, Virginia 22904, USA
| | - T Hoang
- Florida State University, Tallahassee, Florida 32306, USA
| | - J D Hobbs
- State University of New York, Stony Brook, New York 11794, USA
| | - B Hoeneisen
- Universidad San Francisco de Quito, Quito 170157, Ecuador
| | - J Hogan
- Rice University, Houston, Texas 77005, USA
| | - M Hohlfeld
- Institut für Physik, Universität Mainz, 55099 Mainz, Germany
| | - J L Holzbauer
- University of Mississippi, University, Mississippi 38677, USA
| | - I Howley
- University of Texas, Arlington, Texas 76019, USA
| | - Z Hubacek
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - V Hynek
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
| | - I Iashvili
- State University of New York, Buffalo, New York 14260, USA
| | - Y Ilchenko
- Southern Methodist University, Dallas, Texas 75275, USA
| | - R Illingworth
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - T Isidori
- University of Kansas, Lawrence, Kansas 66045, USA
| | - A S Ito
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | | | - S Jabeen
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Jaffré
- LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay Cedex, France
| | - M Janda
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
| | - A Jayasinghe
- University of Oklahoma, Norman, Oklahoma 73019, USA
| | - M S Jeong
- Korea Detector Laboratory, Korea University, Seoul 02841, Korea
| | - R Jesik
- Imperial College London, London SW7 2AZ, United Kingdom
| | - P Jiang
- University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - K Johns
- University of Arizona, Tucson, Arizona 85721, USA
| | - E Johnson
- Michigan State University, East Lansing, Michigan 48824, USA
| | - M Johnson
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Jonckheere
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P Jonsson
- Imperial College London, London SW7 2AZ, United Kingdom
| | - J Joshi
- University of California Riverside, Riverside, California 92521, USA
| | - A W Jung
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Juste
- Institució Catalana de Recerca i Estudis Avançats (ICREA) and Institut de Física d'Altes Energies (IFAE), 08193 Bellaterra (Barcelona), Spain
| | - E Kajfasz
- CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France
| | - A Karev
- CERN, 1211 Geneva 23, Switzerland
| | - D Karmanov
- Moscow State University, Moscow 119991, Russia
| | - J Kašpar
- Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic
- CERN, 1211 Geneva 23, Switzerland
| | - I Katsanos
- University of Nebraska, Lincoln, Nebraska 68588, USA
| | - M Kaur
- Panjab University, Chandigarh 160014, India
| | - B Kaynak
- Istanbul University, 34134 Vezneciler, Istanbul, Turkey
| | - R Kehoe
- Southern Methodist University, Dallas, Texas 75275, USA
| | - S Kermiche
- CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France
| | - N Khalatyan
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Khanov
- Oklahoma State University, Stillwater, Oklahoma 74078, USA
| | - A Kharchilava
- State University of New York, Buffalo, New York 14260, USA
| | - Y N Kharzheev
- Joint Institute for Nuclear Research, Dubna 141980, Russia
| | - I Kiselevich
- Institute for Theoretical and Experimental Physics, Moscow 117259, Russia
| | - J M Kohli
- Panjab University, Chandigarh 160014, India
| | - J Kopal
- CERN, 1211 Geneva 23, Switzerland
| | - A V Kozelov
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - J Kraus
- University of Mississippi, University, Mississippi 38677, USA
| | - A Kumar
- State University of New York, Buffalo, New York 14260, USA
| | - V Kundrát
- Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic
| | - A Kupco
- Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic
| | - T Kurča
- IPNL, Université Lyon 1, CNRS/IN2P3, F-69622 Villeurbanne Cedex, France and Université de Lyon, F-69361 Lyon CEDEX 07, France
| | - V A Kuzmin
- Moscow State University, Moscow 119991, Russia
| | - S Lami
- INFN Sezione di Pisa, 56127 Pisa, Italy
| | - S Lammers
- Indiana University, Bloomington, Indiana 47405, USA
| | - G Latino
- Università degli Studi di Siena and Gruppo Collegato INFN di Siena, 53100 Siena, Italy
| | - P Lebrun
- IPNL, Université Lyon 1, CNRS/IN2P3, F-69622 Villeurbanne Cedex, France and Université de Lyon, F-69361 Lyon CEDEX 07, France
| | - H S Lee
- Korea Detector Laboratory, Korea University, Seoul 02841, Korea
| | - S W Lee
- Iowa State University, Ames, Iowa 50011, USA
| | - W M Lee
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - X Le
- University of Arizona, Tucson, Arizona 85721, USA
| | - J Lellouch
- LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France
| | - D Li
- LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France
| | - H Li
- University of Virginia, Charlottesville, Virginia 22904, USA
| | - L Li
- University of California Riverside, Riverside, California 92521, USA
| | - Q Z Li
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J K Lim
- Korea Detector Laboratory, Korea University, Seoul 02841, Korea
| | - D Lincoln
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - C Lindsey
- University of Kansas, Lawrence, Kansas 66045, USA
| | - R Linhart
- University of West Bohemia, 301 00 Pilsen, Czech Republic
| | - J Linnemann
- Michigan State University, East Lansing, Michigan 48824, USA
| | - V V Lipaev
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - R Lipton
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - H Liu
- Southern Methodist University, Dallas, Texas 75275, USA
| | - Y Liu
- University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - A Lobodenko
- Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia
| | - M Lokajicek
- Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic
| | - M V Lokajíček
- Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic
| | - R Lopes de Sa
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - L Losurdo
- Università degli Studi di Siena and Gruppo Collegato INFN di Siena, 53100 Siena, Italy
| | | | | | - A L Lyon
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A K A Maciel
- LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, RJ 22290, Brazil
| | - M Macrí
- INFN Sezione di Genova, 16146 Genova, Italy
| | - R Madar
- Physikalisches Institut, Universität Freiburg, 79085 Freiburg, Germany
| | | | - M Malawski
- AGH University of Science and Technology, 30-059 Krakow, Poland
| | - H B Malbouisson
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - S Malik
- University of Nebraska, Lincoln, Nebraska 68588, USA
| | - V L Malyshev
- Joint Institute for Nuclear Research, Dubna 141980, Russia
| | - J Mansour
- II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany
| | | | - R McCarthy
- State University of New York, Stony Brook, New York 11794, USA
| | - C L McGivern
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - M M Meijer
- Nikhef, Science Park, 1098 XG Amsterdam, Netherlands
- Radboud University Nijmegen, 6525 AJ Nijmegen, Netherlands
| | - A Melnitchouk
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Menezes
- Northern Illinois University, DeKalb, Illinois 60115, USA
| | - P G Mercadante
- Universidade Federal do ABC, Santo André, SP 09210, Brazil
| | - M Merkin
- Moscow State University, Moscow 119991, Russia
| | - A Meyer
- III. Physikalisches Institut A, RWTH Aachen University, 52056 Aachen, Germany
| | - J Meyer
- II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany
| | - F Miconi
- IPHC, Université de Strasbourg, CNRS/IN2P3, F-67037 Strasbourg, France
| | - N Minafra
- University of Kansas, Lawrence, Kansas 66045, USA
| | - S Minutoli
- INFN Sezione di Genova, 16146 Genova, Italy
| | - J Molina
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - N K Mondal
- Tata Institute of Fundamental Research, Mumbai-400 005, India
| | - M Mulhearn
- University of Virginia, Charlottesville, Virginia 22904, USA
| | - L Mundim
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - T Naaranoja
- Helsinki Institute of Physics, 00014 University of Helsinki, Helsinki, Finland
- Department of Physics, 00014 University of Helsinki, Helsinki, Finland
| | - E Nagy
- CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France
| | - M Narain
- Brown University, Providence, Rhode Island 02912, USA
| | - R Nayyar
- University of Arizona, Tucson, Arizona 85721, USA
| | - H A Neal
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - J P Negret
- Universidad de los Andes, Bogotá 111711, Colombia
| | - F Nemes
- Wigner Research Centre for Physics, RMI, 1121 Budapest, Hungary
- CERN, 1211 Geneva 23, Switzerland
| | - P Neustroev
- Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia
| | - H T Nguyen
- University of Virginia, Charlottesville, Virginia 22904, USA
| | - H Niewiadomski
- Case Western Reserve University, Department of Physics, Cleveland, Ohio 44106, USA
| | - T Novák
- MATE Institute of Technology KRC, 3200 Gyöngyös, Hungary
| | - T Nunnemann
- Ludwig-Maximilians-Universität München, 80539 München, Germany
| | - V Oguri
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | | | - F Oljemark
- Helsinki Institute of Physics, 00014 University of Helsinki, Helsinki, Finland
- Department of Physics, 00014 University of Helsinki, Helsinki, Finland
| | - J Orduna
- Brown University, Providence, Rhode Island 02912, USA
| | - M Oriunno
- SLAC National Accelerator Laboratory, Stanford, California 94025, USA
| | - N Osman
- CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France
| | - K Österberg
- Helsinki Institute of Physics, 00014 University of Helsinki, Helsinki, Finland
- Department of Physics, 00014 University of Helsinki, Helsinki, Finland
| | - A Pal
- University of Texas, Arlington, Texas 76019, USA
| | | | - N Parashar
- Purdue University Calumet, Hammond, Indiana 46323, USA
| | - V Parihar
- Brown University, Providence, Rhode Island 02912, USA
| | - S K Park
- Korea Detector Laboratory, Korea University, Seoul 02841, Korea
| | - R Partridge
- Brown University, Providence, Rhode Island 02912, USA
| | - N Parua
- Indiana University, Bloomington, Indiana 47405, USA
| | - R Pasechnik
- Department of Astronomy and Theoretical Physics, Lund University, SE-223 62 Lund, Sweden
| | - V Passaro
- INFN Sezione di Bari, 70126 Bari, Italy
- Dipartimento di Ingegneria Elettrica e dell'Informazione-Politecnico di Bari, 70125 Bari, Italy
| | - A Patwa
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - B Penning
- Imperial College London, London SW7 2AZ, United Kingdom
| | - M Perfilov
- Moscow State University, Moscow 119991, Russia
| | - Z Peroutka
- University of West Bohemia, 301 00 Pilsen, Czech Republic
| | - Y Peters
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - K Petridis
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - G Petrillo
- University of Rochester, Rochester, New York 14627, USA
| | - P Pétroff
- LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay Cedex, France
| | - M-A Pleier
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - V M Podstavkov
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A V Popov
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - W L Prado da Silva
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - M Prewitt
- Rice University, Houston, Texas 77005, USA
| | - D Price
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - J Procházka
- Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic
| | - N Prokopenko
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - J Qian
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - A Quadt
- II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany
| | - B Quinn
- University of Mississippi, University, Mississippi 38677, USA
| | - M Quinto
- INFN Sezione di Bari, 70126 Bari, Italy
- Dipartimento Interateneo di Fisica di Bari, 70126 Bari, Italy
| | - T G Raben
- University of Kansas, Lawrence, Kansas 66045, USA
| | | | | | - M Rangel
- LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, RJ 22290, Brazil
| | - P N Ratoff
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | | | - I Razumov
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - I Ripp-Baudot
- IPHC, Université de Strasbourg, CNRS/IN2P3, F-67037 Strasbourg, France
| | - F Rizatdinova
- Oklahoma State University, Stillwater, Oklahoma 74078, USA
| | - E Robutti
- INFN Sezione di Genova, 16146 Genova, Italy
| | - R F Rodrigues
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - M Rominsky
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Ross
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | - C Royon
- University of Kansas, Lawrence, Kansas 66045, USA
| | - P Rubinov
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Ruchti
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | | | - H Saarikko
- Helsinki Institute of Physics, 00014 University of Helsinki, Helsinki, Finland
- Department of Physics, 00014 University of Helsinki, Helsinki, Finland
| | - G Sajot
- LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France
| | - V D Samoylenko
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | | | - M P Sanders
- Ludwig-Maximilians-Universität München, 80539 München, Germany
| | - A Santoro
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ 20550, Brazil
| | - A S Santos
- LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, RJ 22290, Brazil
| | - G Savage
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Savitskyi
- Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine
| | - L Sawyer
- Louisiana Tech University, Ruston, Louisiana 71272, USA
| | - T Scanlon
- Imperial College London, London SW7 2AZ, United Kingdom
| | - R D Schamberger
- State University of New York, Stony Brook, New York 11794, USA
| | - Y Scheglov
- Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia
| | - H Schellman
- Northwestern University, Evanston, Illinois 60208, USA
- Oregon State University, Corvallis, Oregon 97331, USA
| | - M Schott
- Institut für Physik, Universität Mainz, 55099 Mainz, Germany
| | - C Schwanenberger
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - R Schwienhorst
- Michigan State University, East Lansing, Michigan 48824, USA
| | | | - J Sekaric
- University of Kansas, Lawrence, Kansas 66045, USA
| | - H Severini
- University of Oklahoma, Norman, Oklahoma 73019, USA
| | - E Shabalina
- II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany
| | - V Shary
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - S Shaw
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - A A Shchukin
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - O Shkola
- Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine
| | - V Simak
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
| | - J Siroky
- University of West Bohemia, 301 00 Pilsen, Czech Republic
| | - P Skubic
- University of Oklahoma, Norman, Oklahoma 73019, USA
| | - P Slattery
- University of Rochester, Rochester, New York 14627, USA
| | - J Smajek
- CERN, 1211 Geneva 23, Switzerland
| | - W Snoeys
- CERN, 1211 Geneva 23, Switzerland
| | - G R Snow
- University of Nebraska, Lincoln, Nebraska 68588, USA
| | - J Snow
- Langston University, Langston, Oklahoma 73050, USA
| | - S Snyder
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | | | - L Sonnenschein
- III. Physikalisches Institut A, RWTH Aachen University, 52056 Aachen, Germany
| | - K Soustruznik
- Charles University, Faculty of Mathematics and Physics, Center for Particle Physics, 116 36 Prague 1, Czech Republic
| | - J Stark
- LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France
| | - N Stefaniuk
- Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine
| | | | - A Ster
- Wigner Research Centre for Physics, RMI, 1121 Budapest, Hungary
| | - D A Stoyanova
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - M Strauss
- University of Oklahoma, Norman, Oklahoma 73019, USA
| | - L Suter
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - P Svoisky
- University of Virginia, Charlottesville, Virginia 22904, USA
| | - I Szanyi
- Eötvös University, 1117 Budapest, Pázmány P. sétány 1/A, Hungary
- Wigner Research Centre for Physics, RMI, 1121 Budapest, Hungary
| | - J Sziklai
- Wigner Research Centre for Physics, RMI, 1121 Budapest, Hungary
| | - C Taylor
- Case Western Reserve University, Department of Physics, Cleveland, Ohio 44106, USA
| | | | - M Titov
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - V V Tokmenin
- Joint Institute for Nuclear Research, Dubna 141980, Russia
| | - Y-T Tsai
- University of Rochester, Rochester, New York 14627, USA
| | - D Tsybychev
- State University of New York, Stony Brook, New York 11794, USA
| | - B Tuchming
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - C Tully
- Princeton University, Princeton, New Jersey 08544, USA
| | - N Turini
- Università degli Studi di Siena and Gruppo Collegato INFN di Siena, 53100 Siena, Italy
| | - O Urban
- University of West Bohemia, 301 00 Pilsen, Czech Republic
| | - L Uvarov
- Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia
| | - S Uvarov
- Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia
| | - S Uzunyan
- Northern Illinois University, DeKalb, Illinois 60115, USA
| | - V Vacek
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
| | - R Van Kooten
- Indiana University, Bloomington, Indiana 47405, USA
| | | | - N Varelas
- University of Illinois at Chicago, Chicago, Illinois 60607, USA
| | - E W Varnes
- University of Arizona, Tucson, Arizona 85721, USA
| | - I A Vasilyev
- Institute for High Energy Physics, Protvino, Moscow region 142281, Russia
| | - O Vavroch
- University of West Bohemia, 301 00 Pilsen, Czech Republic
| | - A Y Verkheev
- Joint Institute for Nuclear Research, Dubna 141980, Russia
| | | | - M Verzocchi
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Vesterinen
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - D Vilanova
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-Sur-Yvette, France
| | - P Vokac
- Czech Technical University in Prague, 116 36 Prague 6, Czech Republic
| | - H D Wahl
- Florida State University, Tallahassee, Florida 32306, USA
| | - C Wang
- University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - M H L S Wang
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J Warchol
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - G Watts
- University of Washington, Seattle, Washington 98195, USA
| | - M Wayne
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J Weichert
- Institut für Physik, Universität Mainz, 55099 Mainz, Germany
| | - J Welti
- Helsinki Institute of Physics, 00014 University of Helsinki, Helsinki, Finland
- Department of Physics, 00014 University of Helsinki, Helsinki, Finland
| | | | - J Williams
- University of Kansas, Lawrence, Kansas 66045, USA
| | | | - G W Wilson
- University of Kansas, Lawrence, Kansas 66045, USA
| | - M Wobisch
- Louisiana Tech University, Ruston, Louisiana 71272, USA
| | - D R Wood
- Northeastern University, Boston, Massachusetts 02115, USA
| | - T R Wyatt
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - Y Xie
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Yamada
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S Yang
- University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - T Yasuda
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - Y A Yatsunenko
- Joint Institute for Nuclear Research, Dubna 141980, Russia
| | - W Ye
- State University of New York, Stony Brook, New York 11794, USA
| | - Z Ye
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - H Yin
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - K Yip
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S W Youn
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J M Yu
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - J Zennamo
- State University of New York, Buffalo, New York 14260, USA
| | - T G Zhao
- The University of Manchester, Manchester M13 9PL, United Kingdom
| | - B Zhou
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - J Zhu
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - J Zich
- University of West Bohemia, 301 00 Pilsen, Czech Republic
| | - K Zielinski
- AGH University of Science and Technology, 30-059 Krakow, Poland
| | - M Zielinski
- University of Rochester, Rochester, New York 14627, USA
| | - D Zieminska
- Indiana University, Bloomington, Indiana 47405, USA
| | - L Zivkovic
- LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France
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Kono Y, Izawa H, Aoyagi Y, Yamada R, Ishiguro T, Yoshinaga M, Okumura S, Fujiwara W, Hayashi M, Otaka Y. Impact of heart failure severity on bone mineral density among older patients with heart failure. Heart Vessels 2021; 36:1856-1860. [PMID: 34085103 DOI: 10.1007/s00380-021-01884-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/28/2021] [Indexed: 11/25/2022]
Abstract
The study aimed to identify factors related to bone mineral density (BMD) among older patients with heart failure (HF). A total of 70 consecutive patients with HF aged 65 years or older who were admitted to an acute hospital due to worsening condition were enrolled before discharge. BMD of the femoral neck was evaluated using the DEXA method. Physical function, as well as echocardiographic and laboratory findings including biomarker of HF severity were collected. Bivariate and multiple regression analyses were employed to determine the association between BMD and the clinical variables. Bivariate analysis determined that age, grip strength, walking speed, serum albumin, and N-terminal pro B-type natriuretic peptide (NT-proBNP) were significantly correlated with BMD (P < 0.01), whereas other clinical parameters were not. The multiple regression analysis identified NT-proBNP as an independent related factor for BMD after adjusting with confounding clinical variables. NT-proBNP was independently related to BMD among older patients with HF. Our results suggest the inclusion of bone fracture prevention strategies in disease management programs, especially for older patients with HF.
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Affiliation(s)
- Yuji Kono
- Department of Rehabilitation, Fujita Health University Bantane Hospital, Nagoya, Japan
- Department of Rehabilitation Medicine I, School of Medicine, Fujita Health University, Toyoake, Japan
| | - Hideo Izawa
- Department of Cardiology, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Japan.
| | - Yoichiro Aoyagi
- Department of Rehabilitation Medicine I, School of Medicine, Fujita Health University, Toyoake, Japan
| | - Ryo Yamada
- Department of Cardiology, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Japan
| | - Tomoya Ishiguro
- Department of Cardiology, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Japan
| | - Masataka Yoshinaga
- Department of Cardiology, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Japan
| | - Satoshi Okumura
- Department of Cardiology, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Japan
| | - Wakaya Fujiwara
- Department of Cardiology, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Japan
| | - Mutsuharu Hayashi
- Department of Cardiology, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Japan
| | - Yohei Otaka
- Department of Rehabilitation Medicine I, School of Medicine, Fujita Health University, Toyoake, Japan
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Itoh K, Yamada R, Saida J, Ikeda K, Otomo T. Atomic-level characterization of free volume in the structure of Cu 67Zr 33amorphous alloy. J Phys Condens Matter 2021; 33:274001. [PMID: 33906162 DOI: 10.1088/1361-648x/abfc12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 04/27/2021] [Indexed: 06/12/2023]
Abstract
The structure of Cu67Zr33amorphous alloy was investigated in terms of packing density and free volume by using neutron, x-ray diffraction and reverse Monte Carlo (RMC) modelling. The RMC model was analysed by a method of decomposing the three-dimensional atomic configuration into fundamental polyhedral units (termed as 'holes' referencing the Bernal's works) of which faces are all triangles consisting of chemical bonds. Not only tetrahedral and octahedral holes but also other larger holes were identified. Moreover, the atomic packing fractions and free volumes in the respective polyhedral holes were evaluated with reference to those for the corresponding crystal structures. The results show that the distribution of free volumes for the larger holes can be described by the exponential function assuming that there are no energetic interactions between each other. On the other hand, the local structural fluctuations due to densely and loosely packed tetrahedral holes were observed, leading to the negative free volume spaces.
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Affiliation(s)
- K Itoh
- Graduate School of Education, Okayama University, 3-1-1 Tsushima-Naka, kita-ku, Okayama 700-8530, Japan
| | - R Yamada
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - J Saida
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - K Ikeda
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - T Otomo
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
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Ngoc Nam H, Yamada R, Okumura H, Nguyen TQ, Suzuki K, Shinya H, Masago A, Fukushima T, Sato K. Intrinsic defect formation and the effect of transition metal doping on transport properties in a ductile thermoelectric material α-Ag 2S: a first-principles study. Phys Chem Chem Phys 2021; 23:9773-9784. [PMID: 33725034 DOI: 10.1039/d0cp06624a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper, the electronic structure and transport properties of a ductile thermoelectric material α-Ag2S are examined using first-principles calculations combined with the Boltzmann transport equation within a constant relaxation-time approximation. The use of the exchange-correlation functional SCAN + rVV10 successfully describes the geometric and electronic structure of α-Ag2S with a direct bandgap value of 0.99 eV, which is consistent with the previous experimental observations. Based on the calculations of the formation energy of typical intrinsic defects, it is found that intrinsic defect formation greatly affects the conductivity of the system where silver vacancy and interstitial silver act as p-type and n-type defects, respectively. Large Seebeck coefficients at room-temperature, of around -760 μV K-1 for n-type and 1400 μV K-1 for p-type, are realized. It is also suggested that the doping of fully filled d-block elements such as Cu and Au not only maintained the Seebeck coefficients at high values but also improved electrical conductivity by more than 1.4 times, leading to the improvement of the power factor by up to 40% compared to the non-doped sample at low carrier concentration.
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Affiliation(s)
- Ho Ngoc Nam
- Department of Precision Science and Technology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
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Nam HN, Yamada R, Okumura H, Nguyen TQ, Suzuki K, Shinya H, Masago A, Fukushima T, Sato K. Correction: Intrinsic defect formation and the effect of transition metal doping on transport properties in a ductile thermoelectric material α-Ag 2S: a first-principles study. Phys Chem Chem Phys 2021; 23:8938. [PMID: 33876055 DOI: 10.1039/d1cp90064a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Correction for 'Intrinsic defect formation and the effect of transition metal doping on transport properties in a ductile thermoelectric material α-Ag2S: a first-principles study' by Ho Ngoc Nam et al., Phys. Chem. Chem. Phys., 2021, DOI: .
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Affiliation(s)
- Ho Ngoc Nam
- Department of Precision Science and Technology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
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Heryanto YD, Cheng CY, Uchida Y, Mimura K, Ishii M, Yamada R. Integrated analysis of cell shape and movement in moving frame. Biol Open 2021; 10:bio058512. [PMID: 33664097 PMCID: PMC8015248 DOI: 10.1242/bio.058512] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 02/11/2021] [Indexed: 11/20/2022] Open
Abstract
The cell's movement and morphological change are two interrelated cellular processes. An integrated analysis is needed to explore the relationship between them. However, it has been challenging to investigate them as a whole. The cell's trajectory can be described by its speed, curvature, and torsion. On the other hand, the three-dimensional (3D) cell shape can be studied by using a shape descriptor such as spherical harmonic (SH) descriptor, which is an extension of a Fourier transform in 3D space. We propose a novel method using parallel-transport (PT) to integrate these shape-movement data by using moving frames as the 3D-shape coordinate system. This moving frame is purely determined by the velocity vector. On this moving frame, the movement change will influence the coordinate system for shape analysis. By analyzing the change of the SH coefficients over time in the moving frame, we can observe the relationship between shape and movement. We illustrate the application of our approach using simulated and real datasets in this paper.
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Affiliation(s)
- Yusri Dwi Heryanto
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine Kyoto University, Kyoto, 606-8507, Japan
| | - Chin-Yi Cheng
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine Kyoto University, Kyoto, 606-8507, Japan
| | - Yutaka Uchida
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, Osaka, 565-0871, Japan
| | - Kazushi Mimura
- Department of Intelligent Systems, Graduate School of Information Sciences, Hiroshima City University, Hiroshima, 731-3194 Japan
| | - Masaru Ishii
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, Osaka, 565-0871, Japan
| | - Ryo Yamada
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine Kyoto University, Kyoto, 606-8507, Japan
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Tajiri M, Yamada R, Hotsumi M, Makabe K, Konno H. The total synthesis of berberine and selected analogues, and their evaluation as amyloid beta aggregation inhibitors. Eur J Med Chem 2021; 215:113289. [PMID: 33611188 DOI: 10.1016/j.ejmech.2021.113289] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 02/05/2021] [Accepted: 02/09/2021] [Indexed: 10/22/2022]
Abstract
The total synthesis of berberine and selected analogues. And their evaluation as amyloid β (Aβ) aggregation inhibitors is described. The key step in the synthesis, the assembly of the berberine framework, was accomplished using an intermolecular Heck reaction. Berberine analog 17 incorporating a tertiary amine moiety showed good anti Aβ aggregation activity, water solubility, and almost no toxicity to nerve cells.
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Affiliation(s)
- Misato Tajiri
- Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan
| | - Ryo Yamada
- Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan
| | - Mayumi Hotsumi
- Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan
| | - Koki Makabe
- Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan
| | - Hiroyuki Konno
- Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan.
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Ie Y, Okamoto Y, Inoue T, Seo T, Ohto T, Yamada R, Tada H, Aso Y. Improving Intramolecular Hopping Charge Transport via Periodical Segmentation of π-Conjugation in a Molecule. J Am Chem Soc 2021; 143:599-603. [PMID: 33350820 DOI: 10.1021/jacs.0c10560] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The development of several-nanometer-scale π-conjugated systems for efficient intramolecular hopping charge transport remains a significant challenge. To construct localized electronic structures at the same energy in a molecule, a series of oligothiophenes, with lengths up to 10 nm and periodically twisted structures, was synthesized. Single-molecule conductance measurements of the twisted molecules revealed resistances lower than those of planar oligothiophenes. This study provides a rational molecular design to improve the intramolecular hopping charge transport in materials.
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Affiliation(s)
- Yutaka Ie
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Yuji Okamoto
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Takuya Inoue
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Takuji Seo
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Tatsuhiko Ohto
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - Ryo Yamada
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - Hirokazu Tada
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - Yoshio Aso
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
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Okada D, Nakamura N, Setoh K, Kawaguchi T, Higasa K, Tabara Y, Matsuda F, Yamada R. Publisher Correction: Genome-wide association study of individual differences of human lymphocyte profiles using large-scale cytometry data. J Hum Genet 2021; 66:643. [PMID: 33446886 DOI: 10.1038/s10038-020-00890-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Daigo Okada
- Department of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Naotoshi Nakamura
- Department of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kazuya Setoh
- Department of Human Disease Genomics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takahisa Kawaguchi
- Department of Human Disease Genomics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Koichiro Higasa
- Department of Human Disease Genomics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Genome Analysis, Institute of Biomedical Science, Kansai Medical University, Hirakata, Japan
| | - Yasuharu Tabara
- Department of Human Disease Genomics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Fumihiko Matsuda
- Department of Human Disease Genomics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryo Yamada
- Department of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
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Ohto T, Tashiro A, Seo T, Kawaguchi N, Numai Y, Tokumoto J, Yamaguchi S, Yamada R, Tada H, Aso Y, Ie Y. Single-Molecule Conductance of a π-Hybridized Tripodal Anchor while Maintaining Electronic Communication. Small 2021; 17:e2006709. [PMID: 33338317 DOI: 10.1002/smll.202006709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/02/2020] [Indexed: 06/12/2023]
Abstract
Direct hybridization between the π-orbital of a conjugated molecule and metal electrodes is recognized as a new anchoring strategy to enhance the electrical conductance of single-molecule junctions. The anchor is expected to maintain direct hybridization between the conjugated molecule and the metal electrodes, and control the orientation of the molecule against the metal electrodes. However, fulfilling both requirements is difficult because multipodal anchors aiming at a robust contact with the electrodes often break the π-conjugation, thereby resulting in an inefficient carrier transport. Herein, a new tripodal anchor framework-a 7,7-diphenyl-7H-benzo[6,7]indeno[1,2-b]thiophene (PBIT) derivative-is developed. In this framework, π-conjugation is maintained in the molecular junction, and the tripodal structure makes the molecule stand upright on the metal electrode. Molecular conductance is measured by the break junction technique. A vector-based classification and first-principles transport calculations determine the single-molecule conductance of the tripodal-anchoring structure. The conductance of the PBIT-based molecule is higher than that of the tripodal anchor having sp3 carbon atoms in the carrier transport pathway. These results demonstrate that extending the π-conjugation to the tripodal leg is an effective strategy for enhancing the conductivities of single-molecule junctions.
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Affiliation(s)
- Tatsuhiko Ohto
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Aya Tashiro
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Takuji Seo
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Nana Kawaguchi
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Yuichi Numai
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Junpei Tokumoto
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Soichiro Yamaguchi
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Ryo Yamada
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Hirokazu Tada
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Yoshio Aso
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Yutaka Ie
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
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Yamada R, Okumura S, Kono Y, Miyazaki A, Niwa Y, Ito T, Ueda S, Ishiguro T, Yoshinaga M, Fujiwara W, Hayashi M, Ozaki Y, Saitoh E, Izawa H. Effect of cardiac rehabilitation on circulating microRNA expression in heart failure: a preliminary study. Fujita Med J 2021; 7:76-82. [PMID: 35111549 PMCID: PMC8749499 DOI: 10.20407/fmj.2020-010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/02/2020] [Indexed: 11/17/2022]
Abstract
OBJECTIVES There are benefits of exercise-based cardiac rehabilitation (CR) in patients with heart failure (HF), but their underlying molecular mechanisms remain elusive. The effect of CR on the expression profile of circulating microRNAs (miRNAs), which are short noncoding RNAs that regulate posttranscriptional expression of target genes, is unknown. If miRNAs respond to changes following CR for HF, then serum profiling of miRNAs may reveal cardioprotective mechanisms of CR. METHODS This study enrolled three hospitalized patients with progressed systolic HF and three normal volunteer controls. In patients, CR was initiated after improvement of HF, which included 2 weeks of bicycle ergometer and resistance exercises. Genome-wide expression profiling of circulating miRNAs was performed using microarrays for the patients (mean±SD age, 60.0±12.2 years) and controls (58.7±0.58 years). Circulating miRNA expression profiles were compared between patients with HF before and after CR and the controls. RESULTS Expression levels of two miRNAs were significantly different in patients before CR compared with controls and patients after CR. The expression of hsa-miR-125b-1-3p was significantly downregulated and that of hsa-miR-1290 was significantly upregulated in patients before CR. CONCLUSIONS When performing CR, expression of certain circulating miRNAs in patients with HF is restored to nonpathological levels. The benefits of CR for HF may result from regulation of miRNAs through multiple effects of gene expression.
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Affiliation(s)
- Ryo Yamada
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Satoshi Okumura
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Yuji Kono
- Department of Rehabilitation, Fujita Health University Bantane
Hospital, Nagoya, Aichi, Japan
| | - Akane Miyazaki
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Yudai Niwa
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Takehiro Ito
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Sayano Ueda
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Tomoya Ishiguro
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Masataka Yoshinaga
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Wakaya Fujiwara
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Mutsuharu Hayashi
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
| | - Yukio Ozaki
- Department of Cardiology, Fujita Health University, School of
Medicine, Toyoake, Aichi, Japan
| | - Eiichi Saitoh
- Department of Rehabilitation Medicine I, Fujita Health University, School of
Medicine, Toyoake, Aichi, Japan
| | - Hideo Izawa
- Department of Cardiology, Fujita Health University Bantane Hospital,
Nagoya, Aichi, Japan
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Ueda S, Kono Y, Yamada R, Ishiguro T, Yoshinaga M, Okumura S, Fujiwara W, Hayashi M, Aoyagi Y, Saitoh E, Otaka Y, Izawa H. Impact of physical function on indeterminable anaerobic threshold in patients with heart failure. Fujita Med J 2021; 7:65-69. [PMID: 35111547 PMCID: PMC8749534 DOI: 10.20407/fmj.2020-015] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 07/01/2020] [Indexed: 11/04/2022]
Abstract
BACKGROUND Anaerobic threshold (AT) during cardiopulmonary exercise testing (CPET) is not always determinable in patients with heart failure (HF). However, little is known about the clinical features of patients with HF who have indeterminable AT. Therefore, the present study aimed to clarify the clinical features of such patients. METHODS A total of 70 patients with HF (58 males; age: 68±12 years) who underwent CPET during hospitalization were divided into two groups: determinable AT (n=50) and indeterminable AT (n=20). Physical function, echocardiographic results, and laboratory findings were subsequently determined. RESULTS Univariate analyses showed that the indeterminable AT group had significantly higher age and left ventricular ejection fraction, and significantly lower body mass index, calf circumference, handgrip strength, walking speed, serum hemoglobin, and serum albumin than the determinable AT group. Multiple logistic regression analysis identified handgrip strength and walking speed as independent predictive factors for indeterminable AT. Receiver-operating characteristic analyses revealed that handgrip strength of 21.2 kg and walking speed of 0.97 m/s were optimal cutoff values for differentiating patients who were likely to experience indeterminable AT. CONCLUSIONS The present study identified handgrip strength and walking speed as powerful predictors for indeterminable AT with HF.
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Affiliation(s)
- Sayano Ueda
- Department of Cardiology, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Yuji Kono
- Department of Rehabilitation, Fujita Health University Hospital,
Toyoake, Aichi, Japan
| | - Ryo Yamada
- Department of Cardiology, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Tomoya Ishiguro
- Department of Cardiology, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Masataka Yoshinaga
- Department of Cardiology, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Satoshi Okumura
- Department of Cardiology, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Wakaya Fujiwara
- Department of Cardiology, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Mutsuharu Hayashi
- Department of Cardiology, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Yoichiro Aoyagi
- Department of Rehabilitation Medicine I, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Eiichi Saitoh
- Department of Rehabilitation Medicine I, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Yohei Otaka
- Department of Rehabilitation Medicine I, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
| | - Hideo Izawa
- Department of Cardiology, School of Medicine, Fujita Health
University, Toyoake, Aichi, Japan
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44
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Abstract
Introduction: A method that utilizes nanosecond bipolar cancellation (BPC) near a quadrupole electrodes to suppress a biological response but cancels the distal BPC at the quadrupole center, i.e., cancellation of cancellation (CANCAN), may allow for a remote focused stimulation at the quadrupole center. Objectives: The primary object of this study was to outline the requirement of the CANCAN implementation and select an effective quadrupole configuration. Results: We have studied three quadrupole electrode configurations, a rod quadrupole, a plate quadrupole (Plate-Q), and a resistor quadrupole. The pulse shapes of electric fields include monophasic pulses, cancellation pulses, and additive pulses. The Plate-Q appears the best for CANCAN as it shows the highest percentage of cancellation pulses among all pulse shapes, allowing for the best spatial focus. Conclusion: For the region of interest characterized in the Plate-Q configuration, the maximum magnitude of bipolar field is twice as that of the unipolar field, which allows for the CANCAN demonstration that involves membrane electropermeabilization.
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Affiliation(s)
- Shu Xiao
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia, USA
- Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia, USA
| | - Ryo Yamada
- Graduate School, Kumamoto University, Kumamoto, Japan
| | - Carol Zhou
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia, USA
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45
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Yoshimura T, Yamada R, Kinoshita R, Tamura H, Matsuura T, Takao S, Tamura M, Tanaka S, Nagae N, Kobashi K, Aoyama H, Shimizu S. Normal Tissue Complication Probability for Hematologic and Gastrointestinal Toxicity in Postoperative Whole Pelvic Radiotherapy for Gynecologic Malignancies using Intensity Modulated Proton Therapy with Robust Optimization. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1563] [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: 10/23/2022]
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46
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Takahashi N, Takahashi Y, Tabara Y, Kawaguchi T, Kuriyama A, Ueshima K, Kosugi S, Sekine A, Yamada R, Matsuda F, Nakayama T. Descriptive epidemiology of high frequency component based on heart rate variability from 10-second ECG data and daily physical activity among community adult residents: the Nagahama Study. Biosci Trends 2020; 14:241-247. [PMID: 32624526 DOI: 10.5582/bst.2020.03146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Characteristics of high frequency (HF) component based on heart rate variability (HRV) in a large general population remain unclear, particularly on the relationship with daily physical activity. We aimed to characterize the distribution of HF component and examine the association with daily physical activity among community residents. We performed spectral analysis of HRV from 10-second ECG recordings among 9135 residents aged 30 to 74 years in Nagahama City, Japan. HF components were log-transformed to consider the distribution. Simple correlations between HF and age were determined. Age-adjusted mean values of HF component were calculated for each questionnaire item related to daily physical activity. Multiple regression analysis was performed to examine the effect of daily physical activity on HF component value. Mean values of logarithmically-transformed HF component (lnHF) were higher in women than in men (p < 0.001). lnHF was inversely associated with age (r = -0.40, -0.49 for men, women, respectively). Adjusted mean lnHF for physically active people was significantly higher than that in inactive people (p < 0.001). HF components from 10-second ECG recordings were moderately and negatively correlated with age in both sexes, and positively correlated with daily physical activity in the general adult population. Maintaining the level of daily physical activity, especially to exercise regularly could keep the parasympathetic function high.
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Affiliation(s)
- Naomi Takahashi
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
| | - Yoshimitsu Takahashi
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
| | - Yasuharu Tabara
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takahisa Kawaguchi
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akira Kuriyama
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
| | - Kenji Ueshima
- Department of EBM Research, Institute for Advancement of Clinical and Translational Science, Kyoto University Hospital, Kyoto, Japan
| | - Shinji Kosugi
- Department of Medical Ethics and Medical Genetics, Kyoto University School of Public Health, Kyoto, Japan
| | - Akihiro Sekine
- Department of Omics-based Medicine, Clinical Preventive Medical Sciences, Center for Preventive Medical Sciences, Chiba University, Chiba, Japan
| | - Ryo Yamada
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Fumihiko Matsuda
- Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takeo Nakayama
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
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47
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Sho T, Suda G, Ogawa K, Kitagataya T, Yamada R, Shigesawa T, Suzuki K, Nakamura A, Nakai M, Natsuizaka M, Morikawa K, Sakamoto N. P-171 Lenvatinib in patients with unresectable hepatocellular carcinoma who do not meet REFLECT trial inclusion criteria. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.04.253] [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: 11/29/2022] Open
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48
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Xiao S, Zou X, Huynh K, Yamada R, Petrella R, Bani Hani M, Beebe S. A High-Power Dielectric Biconical Antenna for Treatment of Subcutaneous Targets. Bioelectromagnetics 2020; 41:413-424. [PMID: 32533598 DOI: 10.1002/bem.22275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 05/08/2020] [Accepted: 05/29/2020] [Indexed: 02/03/2023]
Abstract
A dielectric biconical antenna (DiBiCA) for radiating subnanosecond pulses to treat subcutaneous tissue was designed, constructed, and tested. It is composed of a conical wave launcher and truncated conical emitter. In between, there is a short cylinder that provides a space for a ring terminating resistor. The material of the antenna has a dielectric constant of 28, so its size is small (length: 7 cm and aperture diameter: 2.2 cm). It was housed in an oil container to withstand high voltages and avoid surface flashover. The radiated electric field, measured in water, increased as the input voltage increased up to 30 kV but leveled off for higher voltages up to 50 kV, presumably because of losses in the antenna dielectric. The maximum field was 1.5 kV/cm for a depth of 5 mm and 1.0 kV/cm for a depth of 20 mm. Although the dielectric loss mechanism remains to be investigated, the antenna can be useful for noninvasive delivery of subnanosecond pulses to induce biological responses on subcutaneous targets. The DiBiCA radiated pulses were shown to change the viabilities of dendritic cells and macrophages for 10-min exposure. Bioelectromagnetics. 2020;41:413-424. © 2020 Bioelectromagnetics Society.
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Affiliation(s)
- Shu Xiao
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia.,Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia
| | - Xianbing Zou
- National Key Laboratory of Communication, University of Electronic Science and Technology, Chengdu, China
| | - Khiem Huynh
- Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia
| | - Ryo Yamada
- Graduate School, Kumamoto University, Kumamoto, Japan
| | - Ross Petrella
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia
| | - Maisoun Bani Hani
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia
| | - Stephen Beebe
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia
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49
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Luo Y, Chalkou K, Yamada R, Funada S, Salanti G, Furukawa TA. Predicting the treatment response of certolizumab for individual adult patients with rheumatoid arthritis: protocol for an individual participant data meta-analysis. Syst Rev 2020; 9:140. [PMID: 32532307 PMCID: PMC7477831 DOI: 10.1186/s13643-020-01401-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 05/28/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND A model that can predict treatment response for a patient with specific baseline characteristics would help decision-making in personalized medicine. The aim of the study is to develop such a model in the treatment of rheumatoid arthritis (RA) patients who receive certolizumab (CTZ) plus methotrexate (MTX) therapy, using individual participant data meta-analysis (IPD-MA). METHODS We will search Cochrane CENTRAL, PubMed, and Scopus as well as clinical trial registries, drug regulatory agency reports, and the pharmaceutical company websites from their inception onwards to obtain randomized controlled trials (RCTs) investigating CTZ plus MTX compared with MTX alone in treating RA. We will request the individual-level data of these trials from an independent platform (http://vivli.org). The primary outcome is efficacy defined as achieving either remission (based on ACR-EULAR Boolean or index-based remission definition) or low disease activity (based on either of the validated composite disease activity measures). The secondary outcomes include ACR50 (50% improvement based on ACR core set variables) and adverse events. We will use a two-stage approach to develop the prediction model. First, we will construct a risk model for the outcomes via logistic regression to estimate the baseline risk scores. We will include baseline demographic, clinical, and biochemical features as covariates for this model. Next, we will develop a meta-regression model for treatment effects, in which the stage 1 risk score will be used both as a prognostic factor and as an effect modifier. We will calculate the probability of having the outcome for a new patient based on the model, which will allow estimation of the absolute and relative treatment effect. We will use R for our analyses, except for the second stage which will be performed in a Bayesian setting using R2Jags. DISCUSSION This is a study protocol for developing a model to predict treatment response for RA patients receiving CTZ plus MTX in comparison with MTX alone, using a two-stage approach based on IPD-MA. The study will use a new modeling approach, which aims at retaining the statistical power. The model may help clinicians individualize treatment for particular patients. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration number pending (ID#157595).
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Affiliation(s)
- Yan Luo
- Department of Health Promotion and Human Behavior, School of Public Health in the Graduate School of Medicine, Kyoto University, Yoshida Konoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan.
| | - Konstantina Chalkou
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Ryo Yamada
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Satoshi Funada
- Department of Health Promotion and Human Behavior, School of Public Health in the Graduate School of Medicine, Kyoto University, Yoshida Konoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan.,Department of Urology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Georgia Salanti
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Toshi A Furukawa
- Department of Health Promotion and Human Behavior, School of Public Health in the Graduate School of Medicine, Kyoto University, Yoshida Konoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan
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50
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Abstract
Omics studies attempt to extract meaningful messages from large-scale and high-dimensional data sets by treating the data sets as a whole. The concept of treating data sets as a whole is important in every step of the data-handling procedures: the pre-processing step of data records, the step of statistical analyses and machine learning, translation of the outputs into human natural perceptions, and acceptance of the messages with uncertainty. In the pre-processing, the method by which to control the data quality and batch effects are discussed. For the main analyses, the approaches are divided into two types and their basic concepts are discussed. The first type is the evaluation of many items individually, followed by interpretation of individual items in the context of multiple testing and combination. The second type is the extraction of fewer important aspects from the whole data records. The outputs of the main analyses are translated into natural languages with techniques, such as annotation and ontology. The other technique for making the outputs perceptible is visualization. At the end of this review, one of the most important issues in the interpretation of omics data analyses is discussed. Omics studies have a large amount of information in their data sets, and every approach reveals only a very restricted aspect of the whole data sets. The understandable messages from these studies have unavoidable uncertainty.
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Affiliation(s)
- Ryo Yamada
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Daigo Okada
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Juan Wang
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Tapati Basak
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Satoshi Koyama
- Unit of Statistical Genetics, Center for Genomic Medicine, Graduate School of Medicine, Kyoto University, Nanbusogo-Kenkyu-To-1, 5F, 53 Syogoin-Kawaramachi, Sakyo-ku, Kyoto, 606-8507, Japan
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