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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Araki H, Hino S, Anan K, Kuribayashi K, Etoh K, Seko D, Takase R, Kohrogi K, Hino Y, Ono Y, Araki E, Nakao M. LSD1 defines the fiber type-selective responsiveness to environmental stress in skeletal muscle. eLife 2023; 12:84618. [PMID: 36695573 PMCID: PMC9876571 DOI: 10.7554/elife.84618] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 01/12/2023] [Indexed: 01/26/2023] Open
Abstract
Skeletal muscle exhibits remarkable plasticity in response to environmental cues, with stress-dependent effects on the fast-twitch and slow-twitch fibers. Although stress-induced gene expression underlies environmental adaptation, it is unclear how transcriptional and epigenetic factors regulate fiber type-specific responses in the muscle. Here, we show that flavin-dependent lysine-specific demethylase-1 (LSD1) differentially controls responses to glucocorticoid and exercise in postnatal skeletal muscle. Using skeletal muscle-specific LSD1-knockout mice and in vitro approaches, we found that LSD1 loss exacerbated glucocorticoid-induced atrophy in the fast fiber-dominant muscles, with reduced nuclear retention of Foxk1, an anti-autophagic transcription factor. Furthermore, LSD1 depletion enhanced endurance exercise-induced hypertrophy in the slow fiber-dominant muscles, by induced expression of ERRγ, a transcription factor that promotes oxidative metabolism genes. Thus, LSD1 serves as an 'epigenetic barrier' that optimizes fiber type-specific responses and muscle mass under the stress conditions. Our results uncover that LSD1 modulators provide emerging therapeutic and preventive strategies against stress-induced myopathies such as sarcopenia, cachexia, and disuse atrophy.
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Affiliation(s)
- Hirotaka Araki
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
- Department of Metabolic Medicine, Faculty of Life Sciences, Kumamoto UniversityKumamotoJapan
| | - Shinjiro Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
| | - Kotaro Anan
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
| | - Kanji Kuribayashi
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
| | - Kan Etoh
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
| | - Daiki Seko
- Department of Muscle Development and Regeneration, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
- Department of Molecular Bone Biology, Graduate School of Biomedical Sciences, Nagasaki UniversityNagasakiJapan
| | - Ryuta Takase
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
| | - Kensaku Kohrogi
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
| | - Yuko Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
| | - Yusuke Ono
- Department of Muscle Development and Regeneration, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
| | - Eiichi Araki
- Department of Metabolic Medicine, Faculty of Life Sciences, Kumamoto UniversityKumamotoJapan
| | - Mitsuyoshi Nakao
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto UniversityKumamotoJapan
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Thamrongwaranggoon U, Kuribayashi K, Araki H, Hino Y, Koga T, Seubwai W, Wongkham S, Nakao M, Hino S. Lactic acidosis induces metabolic and phenotypic reprogramming in cholangiocarcinoma cells via the upregulation of thrombospondin-1. Cancer Sci 2022; 114:1541-1555. [PMID: 36562400 PMCID: PMC10067391 DOI: 10.1111/cas.15699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/11/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
The high glycolytic activity of cancer cells leads to lactic acidosis (LA) in the tumor microenvironment. LA is not merely a consequence of metabolic activities but also has functional roles in metabolic reprogramming and cancer progression. Cholangiocarcinoma (CCA) cells exhibit a high dependency on glycolysis for survival and growth, but the specific effects of LA on cellular characteristics remain unknown. Here, we demonstrate that long-term LA (LLA) reprograms the metabolic phenotype of CCA cells from glycolytic to oxidative and enhances their migratory activity. In CCA cell culture, short-term LA (24 h) showed a growth inhibitory effect, while extended LA exposure for more than 2 weeks (LLA) led to enhanced cell motility. Coincidentally, LLA enhanced the respiratory capacity with an increase in mitochondrial mass. Inhibition of mitochondrial function abolished LLA-induced cell motility, suggesting that metabolic remodeling affects the phenotypic outcomes. RNA-sequencing analysis revealed that LLA upregulated genes associated with cell migration and epithelial-mesenchymal transition (EMT), including thrombospondin-1 (THBS1), which encodes a pro-EMT-secreted protein. Inhibition of THBS1 resulted in the suppression of both LLA-induced cell motility and respiratory capacity. Moreover, high THBS1 expression was associated with poor survival in patients with CCA. Collectively, our study suggests that the increased expression of THBS1 by LLA promotes phenotypic alterations, leading to CCA progression.
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Affiliation(s)
- Ubonrat Thamrongwaranggoon
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan.,Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Kanji Kuribayashi
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Hirotaka Araki
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Yuko Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Tomoaki Koga
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Wunchana Seubwai
- Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Department of Forensic Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Sopit Wongkham
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Mitsuyoshi Nakao
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Shinjiro Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
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Araki H, Matsumura T, Furukawa N, Araki E. Updates of incretin-related drugs for the treatment of type 2 diabetes. J Diabetes Investig 2022; 14:189-192. [PMID: 36373430 PMCID: PMC9889679 DOI: 10.1111/jdi.13945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 11/16/2022] Open
Abstract
Mechanisms of dipeptidyl peptidase-4 inhibitors, glucagon-like peptide-1 receptor agonists and glucagon-like peptide-1 receptor/glucose-dependent insulinotropic polypeptide receptor dual-agonist in glycemic control and/or weight loss.
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Affiliation(s)
- Hirotaka Araki
- Department of Metabolic Medicine, Faculty of Life SciencesKumamoto UniversityKumamotoJapan,Department of Medical Cell Biology, Institute of Molecular Embryology and GeneticsKumamoto UniversityKumamotoJapan
| | - Takeshi Matsumura
- Department of Metabolic Medicine, Faculty of Life SciencesKumamoto UniversityKumamotoJapan
| | - Noboru Furukawa
- Department of Metabolic Medicine, Faculty of Life SciencesKumamoto UniversityKumamotoJapan,Center for Medical Education and Research, Faculty of Life SciencesKumamoto UniversityKumamotoJapan
| | - Eiichi Araki
- Department of Metabolic Medicine, Faculty of Life SciencesKumamoto UniversityKumamotoJapan
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Lai X, Shirono J, Araki H, Budden B, Cai L, Kawata G, Miyazaki H, Qiang Y, Ye Z, Zhan X, Zimmerman K, Nakai H, Suzuki K, Thompson R. Modeling Photon Counting Detector Anode Street Impact on Detector Energy Response. IEEE Trans Radiat Plasma Med Sci 2021. [DOI: 10.1109/trpms.2020.3013245] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Araki E, Araki H, Senokuchi T, Motoshima H. New perspectives on insulin therapy. J Diabetes Investig 2020; 11:795-797. [PMID: 32232932 PMCID: PMC7378423 DOI: 10.1111/jdi.13263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 03/19/2020] [Accepted: 03/24/2020] [Indexed: 11/30/2022] Open
Affiliation(s)
- Eiichi Araki
- Department of Metabolic MedicineFaculty of Life SciencesKumamoto UniversityKumamotoJapan
| | - Hirotaka Araki
- Department of Metabolic MedicineFaculty of Life SciencesKumamoto UniversityKumamotoJapan
| | - Takafumi Senokuchi
- Department of Metabolic MedicineFaculty of Life SciencesKumamoto UniversityKumamotoJapan
| | - Hiroyuki Motoshima
- Department of Metabolic MedicineFaculty of Life SciencesKumamoto UniversityKumamotoJapan
- Department of Molecular Diabetology and MetabolismFaculty of Life SciencesKumamoto UniversityKumamotoJapan
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Anan K, Hino S, Shimizu N, Sakamoto A, Nagaoka K, Takase R, Kohrogi K, Araki H, Hino Y, Usuki S, Oki S, Tanaka H, Nakamura K, Endo F, Nakao M. LSD1 mediates metabolic reprogramming by glucocorticoids during myogenic differentiation. Nucleic Acids Res 2019; 46:5441-5454. [PMID: 29618057 PMCID: PMC6009677 DOI: 10.1093/nar/gky234] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 03/20/2018] [Indexed: 02/07/2023] Open
Abstract
The metabolic properties of cells are formed under the influence of environmental factors such as nutrients and hormones. Although such a metabolic program is likely initiated through epigenetic mechanisms, the direct links between metabolic cues and activities of chromatin modifiers remain largely unknown. In this study, we show that lysine-specific demethylase-1 (LSD1) controls the metabolic program in myogenic differentiation, under the action of catabolic hormone, glucocorticoids. By using transcriptomic and epigenomic approaches, we revealed that LSD1 bound to oxidative metabolism and slow-twitch myosin genes, and repressed their expression. Consistent with this, loss of LSD1 activity during differentiation enhanced the oxidative capacity of myotubes. By testing the effects of various hormones, we found that LSD1 levels were decreased by treatment with the glucocorticoid dexamethasone (Dex) in cultured myoblasts and in skeletal muscle from mice. Mechanistically, glucocorticoid signaling induced expression of a ubiquitin E3 ligase, JADE-2, which was responsible for proteasomal degradation of LSD1. Consequently, in differentiating myoblasts, chemical inhibition of LSD1, in combination with Dex treatment, synergistically de-repressed oxidative metabolism genes, concomitant with increased histone H3 lysine 4 methylation at these loci. These findings demonstrated that LSD1 serves as an epigenetic regulator linking glucocorticoid action to metabolic programming during myogenic differentiation.
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Affiliation(s)
- Kotaro Anan
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan.,Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto 860-0811, Japan
| | - Shinjiro Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan
| | - Noriaki Shimizu
- Division of Rheumatology, Center for Antibody and Vaccine Therapy, IMSUT Hospital, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan
| | - Akihisa Sakamoto
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan
| | - Katsuya Nagaoka
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan
| | - Ryuta Takase
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan
| | - Kensaku Kohrogi
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan.,Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto 860-0811, Japan
| | - Hirotaka Araki
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan
| | - Yuko Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan
| | - Shingo Usuki
- Liaison Laboratory Research Promotion Center, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan
| | - Shinya Oki
- Department of Developmental Biology, Graduate school of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Hirotoshi Tanaka
- Division of Rheumatology, Center for Antibody and Vaccine Therapy, IMSUT Hospital, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan
| | - Kimitoshi Nakamura
- Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto 860-0811, Japan
| | - Fumio Endo
- Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto 860-0811, Japan
| | - Mitsuyoshi Nakao
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto 860-0811, Japan
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Nakao M, Anan K, Araki H, Hino S. Distinct Roles of the NAD +-Sirt1 and FAD-LSD1 Pathways in Metabolic Response and Tissue Development. Trends Endocrinol Metab 2019; 30:409-412. [PMID: 31151734 DOI: 10.1016/j.tem.2019.04.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [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: 02/28/2019] [Revised: 04/19/2019] [Accepted: 04/25/2019] [Indexed: 01/23/2023]
Abstract
Various nutritional signals are transduced by two epigenetic pathways: NAD-dependent sirtuin Sirt1 (NAD+-Sirt1) deacetylase and flavin adenine dinucleotide-dependent lysine-specific demethylase 1 (FAD-LSD1). These pathways are controlled by dietary vitamins and nutrient-responsive hormones such as glucocorticoids and insulin, resulting in endocrine-metabolism-epigenome cooperation in adipocyte and skeletal muscle development.
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Affiliation(s)
- Mitsuyoshi Nakao
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan.
| | - Kotaro Anan
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Hirotaka Araki
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Shinjiro Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
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Takase R, Hino S, Nagaoka K, Anan K, Kohrogi K, Araki H, Hino Y, Sakamoto A, Nicholson TB, Chen T, Nakao M. Lysine-specific demethylase-2 is distinctively involved in brown and beige adipogenic differentiation. FASEB J 2019; 33:5300-5311. [PMID: 30681884 PMCID: PMC6436657 DOI: 10.1096/fj.201801422rr] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 01/02/2019] [Indexed: 12/26/2022]
Abstract
Transcriptional and epigenetic regulation is fundamentally involved in initiating and maintaining progression of cellular differentiation. The 2 types of thermogenic adipocytes, brown and beige, are thought to be of different origins but share functionally similar phenotypes. Here, we report that lysine-specific demethylase 2 (LSD2) regulates the expression of genes associated with lineage identity during the differentiation of brown and beige adipogenic progenitors in mice. In HB2 mouse brown preadipocytes, short hairpin RNA-mediated knockdown (KD) of LSD2 impaired formation of lipid droplet-containing adipocytes and down-regulated brown adipogenesis-associated genes. Transcriptomic analysis revealed that myogenesis-associated genes were up-regulated in LSD2-KD cells under adipogenic induction. In addition, loss of LSD2 during later phases of differentiation had no obvious influence on adipogenic traits, suggesting that LSD2 functions during earlier phases of brown adipocyte differentiation. Using adipogenic cells from the brown adipose tissues of LSD2-knockout (KO) mice, we found reduced expression of brown adipogenesis genes, whereas myogenesis genes were not affected. In contrast, when LSD2-KO cells from inguinal white adipose tissues were subjected to beige induction, these cells showed a dramatic rise in myogenic gene expression. Collectively, these results suggest that LSD2 regulates distinct sets of genes during brown and beige adipocyte formation.-Takase, R., Hino, S., Nagaoka, K., Anan, K., Kohrogi, K., Araki, H., Hino, Y., Sakamoto, A., Nicholson, T. B., Chen, T., Nakao, M. Lysine-specific demethylase-2 is distinctively involved in brown and beige adipogenic differentiation.
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Affiliation(s)
- Ryuta Takase
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Shinjiro Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Katsuya Nagaoka
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Kotaro Anan
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Kensaku Kohrogi
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Hirotaka Araki
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Yuko Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Akihisa Sakamoto
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Thomas B. Nicholson
- Novartis Institutes for BioMedical Research, Novartis Pharma, Cambridge, Massachusetts, USA
| | - Taiping Chen
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas M. D. Anderson Cancer Center, Smithville, Texas, USA
| | - Mitsuyoshi Nakao
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
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Sugita S, Honda R, Morota T, Kameda S, Sawada H, Tatsumi E, Yamada M, Honda C, Yokota Y, Kouyama T, Sakatani N, Ogawa K, Suzuki H, Okada T, Namiki N, Tanaka S, Iijima Y, Yoshioka K, Hayakawa M, Cho Y, Matsuoka M, Hirata N, Hirata N, Miyamoto H, Domingue D, Hirabayashi M, Nakamura T, Hiroi T, Michikami T, Michel P, Ballouz RL, Barnouin OS, Ernst CM, Schröder SE, Kikuchi H, Hemmi R, Komatsu G, Fukuhara T, Taguchi M, Arai T, Senshu H, Demura H, Ogawa Y, Shimaki Y, Sekiguchi T, Müller TG, Hagermann A, Mizuno T, Noda H, Matsumoto K, Yamada R, Ishihara Y, Ikeda H, Araki H, Yamamoto K, Abe S, Yoshida F, Higuchi A, Sasaki S, Oshigami S, Tsuruta S, Asari K, Tazawa S, Shizugami M, Kimura J, Otsubo T, Yabuta H, Hasegawa S, Ishiguro M, Tachibana S, Palmer E, Gaskell R, Le Corre L, Jaumann R, Otto K, Schmitz N, Abell PA, Barucci MA, Zolensky ME, Vilas F, Thuillet F, Sugimoto C, Takaki N, Suzuki Y, Kamiyoshihara H, Okada M, Nagata K, Fujimoto M, Yoshikawa M, Yamamoto Y, Shirai K, Noguchi R, Ogawa N, Terui F, Kikuchi S, Yamaguchi T, Oki Y, Takao Y, Takeuchi H, Ono G, Mimasu Y, Yoshikawa K, Takahashi T, Takei Y, Fujii A, Hirose C, Nakazawa S, Hosoda S, Mori O, Shimada T, Soldini S, Iwata T, Abe M, Yano H, Tsukizaki R, Ozaki M, Nishiyama K, Saiki T, Watanabe S, Tsuda Y. The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes. Science 2019; 364:252. [PMID: 30890587 DOI: 10.1126/science.aaw0422] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 03/12/2019] [Indexed: 11/02/2022]
Abstract
The near-Earth carbonaceous asteroid 162173 Ryugu is thought to have been produced from a parent body that contained water ice and organic molecules. The Hayabusa2 spacecraft has obtained global multicolor images of Ryugu. Geomorphological features present include a circum-equatorial ridge, east-west dichotomy, high boulder abundances across the entire surface, and impact craters. Age estimates from the craters indicate a resurfacing age of [Formula: see text] years for the top 1-meter layer. Ryugu is among the darkest known bodies in the Solar System. The high abundance and spectral properties of boulders are consistent with moderately dehydrated materials, analogous to thermally metamorphosed meteorites found on Earth. The general uniformity in color across Ryugu's surface supports partial dehydration due to internal heating of the asteroid's parent body.
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Affiliation(s)
- S Sugita
- The University of Tokyo, Tokyo 113-0033, Japan. .,Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - R Honda
- Kochi University, Kochi 780-8520, Japan
| | - T Morota
- Nagoya University, Nagoya 464-8601, Japan
| | - S Kameda
- Rikkyo University, Tokyo 171-8501, Japan
| | - H Sawada
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - E Tatsumi
- The University of Tokyo, Tokyo 113-0033, Japan
| | - M Yamada
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - C Honda
- University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - Y Yokota
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Kochi University, Kochi 780-8520, Japan
| | - T Kouyama
- National Institute of Advanced Industrial Science and Technology, Tokyo 135-0064 Japan
| | - N Sakatani
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Ogawa
- Kobe University, Kobe 657-8501, Japan
| | - H Suzuki
- Meiji University, Kawasaki 214-8571, Japan
| | - T Okada
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,The University of Tokyo, Tokyo 113-0033, Japan
| | - N Namiki
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - S Tanaka
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - Y Iijima
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Yoshioka
- The University of Tokyo, Tokyo 113-0033, Japan
| | - M Hayakawa
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Cho
- The University of Tokyo, Tokyo 113-0033, Japan
| | - M Matsuoka
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - N Hirata
- University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - N Hirata
- Kobe University, Kobe 657-8501, Japan
| | - H Miyamoto
- The University of Tokyo, Tokyo 113-0033, Japan
| | - D Domingue
- Planetary Science Institute, Tucson, AZ 85719, USA
| | | | - T Nakamura
- Tohoku University, Sendai 980-8578, Japan
| | - T Hiroi
- Brown University, Providence, RI 02912, USA
| | - T Michikami
- Kindai University, Higashi-Hiroshima 739-2116, Japan
| | - P Michel
- Université Côte d'Azur, Observatoire de la Côte d'Azur, Centre National de le Recherche Scientifique (CNRS), Laboratoire Lagrange, 06304 Nice, France
| | - R-L Ballouz
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,University of Arizona, Tucson, AZ 85705, USA
| | - O S Barnouin
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
| | - C M Ernst
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
| | - S E Schröder
- German Aerospace Center (DLR), Institute of Planetary Research, 12489 Berlin, Germany
| | - H Kikuchi
- The University of Tokyo, Tokyo 113-0033, Japan
| | - R Hemmi
- The University of Tokyo, Tokyo 113-0033, Japan
| | - G Komatsu
- International Research School of Planetary Sciences, Università d'Annunzio, 65127 Pescara, Italy.,Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - T Fukuhara
- Rikkyo University, Tokyo 171-8501, Japan
| | - M Taguchi
- Rikkyo University, Tokyo 171-8501, Japan
| | - T Arai
- Ashikaga University, Ashikaga 326-8558, Japan
| | - H Senshu
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - H Demura
- University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - Y Ogawa
- University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - Y Shimaki
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Sekiguchi
- Hokkaido University of Education, Asahikawa 070-8621, Japan
| | - T G Müller
- Max-Planck-Institut für Extraterrestrische Physik, 85748 Garching, Germany
| | - A Hagermann
- University of Stirling, FK9 4LA, Scotland, UK
| | - T Mizuno
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - H Noda
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - K Matsumoto
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - R Yamada
- University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - Y Ishihara
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - H Ikeda
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - H Araki
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - K Yamamoto
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - S Abe
- Nihon University, Funabashi 274-8501, Japan
| | - F Yoshida
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - A Higuchi
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - S Sasaki
- Osaka University, Toyonaka 560-0043, Japan
| | - S Oshigami
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - S Tsuruta
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - K Asari
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - S Tazawa
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - M Shizugami
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan
| | - J Kimura
- Osaka University, Toyonaka 560-0043, Japan
| | - T Otsubo
- Hitotsubashi University, Tokyo 186-8601, Japan
| | - H Yabuta
- Hiroshima University, Higashi-Hiroshima 739-8526, Japan
| | - S Hasegawa
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Ishiguro
- Seoul National University, Seoul 08826, Korea
| | - S Tachibana
- The University of Tokyo, Tokyo 113-0033, Japan
| | - E Palmer
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - R Gaskell
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - L Le Corre
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - R Jaumann
- German Aerospace Center (DLR), Institute of Planetary Research, 12489 Berlin, Germany
| | - K Otto
- German Aerospace Center (DLR), Institute of Planetary Research, 12489 Berlin, Germany
| | - N Schmitz
- German Aerospace Center (DLR), Institute of Planetary Research, 12489 Berlin, Germany
| | - P A Abell
- NASA Johnson Space Center, Houston, TX 77058, USA
| | - M A Barucci
- Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique (LESIA)-Observatoire de Paris, Paris Sciences et Lettres (PSL), Centre National de le Recherche Scientifique (CNRS), Sorbonne Université, Université Paris-Diderot, 92195 Meudon Principal Cedex, France
| | - M E Zolensky
- NASA Johnson Space Center, Houston, TX 77058, USA
| | - F Vilas
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - F Thuillet
- Université Côte d'Azur, Observatoire de la Côte d'Azur, Centre National de le Recherche Scientifique (CNRS), Laboratoire Lagrange, 06304 Nice, France
| | - C Sugimoto
- The University of Tokyo, Tokyo 113-0033, Japan
| | - N Takaki
- The University of Tokyo, Tokyo 113-0033, Japan
| | - Y Suzuki
- The University of Tokyo, Tokyo 113-0033, Japan
| | | | - M Okada
- The University of Tokyo, Tokyo 113-0033, Japan
| | - K Nagata
- National Institute of Advanced Industrial Science and Technology, Tokyo 135-0064 Japan
| | - M Fujimoto
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Yoshikawa
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - Y Yamamoto
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - K Shirai
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - R Noguchi
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - N Ogawa
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - F Terui
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Kikuchi
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Yamaguchi
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Oki
- The University of Tokyo, Tokyo 113-0033, Japan
| | - Y Takao
- The University of Tokyo, Tokyo 113-0033, Japan
| | - H Takeuchi
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - G Ono
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - Y Mimasu
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Yoshikawa
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - T Takahashi
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Takei
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - A Fujii
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - C Hirose
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - S Nakazawa
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Hosoda
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - O Mori
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Shimada
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Soldini
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Iwata
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - M Abe
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - H Yano
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - R Tsukizaki
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Ozaki
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
| | - K Nishiyama
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Saiki
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Watanabe
- Nagoya University, Nagoya 464-8601, Japan.,Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Tsuda
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
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Nishikawa T, Ono K, Hashimoto S, Kinoshita H, Watanabe T, Araki H, Otsu K, Sakamoto W, Harada M, Toyonaga T, Kawakami S, Fukuda J, Haga Y, Kukidome D, Takahashi T, Araki E. One-hour oral glucose tolerance test plasma glucose at gestational diabetes diagnosis is a common predictor of the need for insulin therapy in pregnancy and postpartum impaired glucose tolerance. J Diabetes Investig 2018; 9:1370-1377. [PMID: 29624902 PMCID: PMC6215946 DOI: 10.1111/jdi.12848] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 03/19/2018] [Accepted: 03/25/2018] [Indexed: 12/15/2022] Open
Abstract
Aims/Introduction Gestational diabetes mellitus (GDM) is a risk for adverse perinatal outcomes, and patients with a history of GDM have an increased risk of impaired glucose tolerance (IGT). Here, we carried out two non‐interventional and retrospective studies of GDM patients in Japan. Materials and Methods In the first study, we enrolled 529 GDM patients and assessed predictors of the need for insulin therapy. In the second study, we enrolled 185 patients from the first study, and assessed predictors of postpartum IGT. Results In the first study, gestational weeks at GDM diagnosis and history of pregnancy were significantly lower, and pregestational body mass index, family history of diabetes mellitus, 1‐ and 2‐h glucose levels in a 75‐g oral glucose tolerance test (OGTT), the number of abnormal values in a 75‐g OGTT, and glycated hemoglobin were significantly higher in participants receiving insulin therapy. In the second study, 1‐ and 2‐h glucose levels in a 75‐g OGTT, the number of abnormal values in a 75‐g OGTT, glycated hemoglobin, and ketone bodies in a urine test were significantly higher in participants with OGT. Logistic regression analysis showed that gestational weeks at GDM diagnosis, 1‐h glucose levels in a 75‐g OGTT and glycated hemoglobin were significant predictors of the need for insulin therapy, and 1‐h glucose levels in a 75‐g OGTT at diagnosis and ketone bodies in a urine test were significant predictors for postpartum IGT. Conclusions Antepartum 1‐h glucose levels in a 75‐g OGTT was a predictor of the need for insulin therapy in pregnancy and postpartum IGT.
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Affiliation(s)
- Takeshi Nishikawa
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Keiko Ono
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Shoko Hashimoto
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Hiroyuki Kinoshita
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Takuro Watanabe
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Hirotaka Araki
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Kae Otsu
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Wakana Sakamoto
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Masahiro Harada
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | | | | | | | - Yoshio Haga
- Amakusa Central General Hospital, Amakusa, Japan
| | - Daisuke Kukidome
- Faculty of Life Sciences, Department of Metabolic Medicine, Kumamoto University, Kumamoto, Japan
| | - Takeshi Takahashi
- Department of Diabetes and Endocrinology, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan
| | - Eiich Araki
- Faculty of Life Sciences, Department of Metabolic Medicine, Kumamoto University, Kumamoto, Japan
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Gandra J, de Oliveira E, de Goes RH, de Oliveira K, Takiya C, Del Valle T, Araki H, Silveira K, Silva D, Da Silva Pause A. Microbial inoculant and an extract of Trichoderma longibrachiatum with xylanase activity effect on chemical composition, fermentative profile and aerobic stability of guinea grass ( Pancium maximum Jacq.) silage. J Anim Feed Sci 2017. [DOI: 10.22358/jafs/80776/2017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Masuda M, Watanabe S, Tanaka M, Tanaka A, Araki H. Screening of furanocoumarin derivatives as cytochrome P450 3A4 inhibitors in citrus. J Clin Pharm Ther 2017; 43:15-20. [DOI: 10.1111/jcpt.12595] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 06/23/2017] [Indexed: 11/28/2022]
Affiliation(s)
- M. Masuda
- Division of Pharmacy; Ehime University Hospital; Toon Ehime Japan
| | - S. Watanabe
- Division of Pharmacy; Ehime University Hospital; Toon Ehime Japan
| | - M. Tanaka
- Division of Pharmacy; Ehime University Hospital; Toon Ehime Japan
| | - A. Tanaka
- Division of Pharmacy; Ehime University Hospital; Toon Ehime Japan
| | - H. Araki
- Division of Pharmacy; Ehime University Hospital; Toon Ehime Japan
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15
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Irie H, Ito K, Kataoka Y, Fujioka Y, Oguchi K, Shimamura T, Kawai Y, Sagara T, Shibata Y, Araki H, Haruma T, Hashimoto A, Matsuo K, Utsugi T, Iwasawa Y. TPC-107, a next generation, HER2 selective covalent inhibitor demonstrates potent and sustained inhibition against the HER2–HER3 signaling while sparing EGFR activity, leading to a large therapeutic window. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32658-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Sumikawa S, Kawazoe H, Nakauchi K, Yakusijin Y, Tanaka A, Araki H. Effect of solution pre-warming, hot compress, plus pH adjustment by combination with dexamethasone on venous pain in cancer patients receiving oxaliplatin via a peripheral vein. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw390.29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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17
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Castelijns B, Ponten JEH, Van de Poll MCG, Nienhuijs SW, Smulders JF, Hu ZW, Wu JM, Wang ZG, Idani H, Asami S, Nakano K, Miyake S, Harano M, Miyoshi H, Araki H, Ogawa T, Takahashi K, Shiozaki S, Ninomiya M, Prasad A, Todkar J, Asti E, Lovece A, Sironi A, Bonavina L, Wright R, Wurst H, Zhang C, Li HL, Ke LM, Loi K, Hua R, Yao QY, Chen H, Okinyi W, Odende K, Ndungu B, Ndonga A, Kiragu P, Kelimu A, Alimujiang M, Tian W, Bing M. Hiatal Hernia. Hernia 2015; 19 Suppl 1:S13-7. [PMID: 26518789 DOI: 10.1007/bf03355320] [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: 11/26/2022]
Affiliation(s)
| | | | | | | | | | | | - J M Wu
- Gastroesophageal Reflux Disease Department, Second Artillery General Hospital PLA, 2. Xuanwu Hospital, Capital Medic, Beijing, China
| | | | - H Idani
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - S Asami
- Fukuyama City Hospital, Fukuyama, Japan
| | - K Nakano
- Fukuyama City Hospital, Fukuyama, Japan
| | - S Miyake
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - M Harano
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - H Miyoshi
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - H Araki
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - T Ogawa
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - K Takahashi
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - S Shiozaki
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - M Ninomiya
- Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - A Prasad
- Apollo Hospital, New Delhi, India
| | - J Todkar
- Hiranandani Hospital, Mumbai, India
| | - E Asti
- IRCCS Policlinico San Donato, Milan, Italy
| | - A Lovece
- IRCCS Policlinico San Donato, Milan, Italy
| | - A Sironi
- IRCCS Policlinico San Donato, Milan, Italy
| | - L Bonavina
- IRCCS Policlinico San Donato, Milan, Italy
| | - R Wright
- Cascade Hernia Institute, Puyallup, USA
| | - H Wurst
- Meridian Surgery Center, Puyallup, USA
| | - C Zhang
- Department of Minimally Invasive Surgery, Xinjiang people Hospital, Urumqi, China
| | | | | | - K Loi
- St George Private Hospital, Sydney, Australia
| | | | - Q Y Yao
- Department of General Surgery, Hernia Center, Shanghai Medical College, Fudan University, Shanghai, China
| | | | - W Okinyi
- The University of Nairobi, Nairobi, Kenya
| | - K Odende
- Kenyatta National Hospital, Nairobi, Kenya
| | - B Ndungu
- The University of Nairobi, Nairobi, Kenya
| | - A Ndonga
- The Mater Hospital, Nairobi, Kenya
| | - P Kiragu
- Maralal County Hospital, Maralal, Kenya
| | - A Kelimu
- Department of Minimally Invasive Surgery, hernias and abdominal wall surgery, People's Hospital of Xinjiang Uyghur Auton, Urumqi, China
| | | | - W Tian
- Department of General Surgery, 1st affiliated hospital of PLA general hospital, Beijing, China
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Miya M, Sato Y, Fukunaga T, Sado T, Poulsen JY, Sato K, Minamoto T, Yamamoto S, Yamanaka H, Araki H, Kondoh M, Iwasaki W. MiFish, a set of universal PCR primers for metabarcoding environmental DNA from fishes: detection of more than 230 subtropical marine species. R Soc Open Sci 2015; 2:150088. [PMID: 26587265 PMCID: PMC4632578 DOI: 10.1098/rsos.150088] [Citation(s) in RCA: 345] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 06/25/2015] [Indexed: 05/18/2023]
Abstract
We developed a set of universal PCR primers (MiFish-U/E) for metabarcoding environmental DNA (eDNA) from fishes. Primers were designed using aligned whole mitochondrial genome (mitogenome) sequences from 880 species, supplemented by partial mitogenome sequences from 160 elasmobranchs (sharks and rays). The primers target a hypervariable region of the 12S rRNA gene (163-185 bp), which contains sufficient information to identify fishes to taxonomic family, genus and species except for some closely related congeners. To test versatility of the primers across a diverse range of fishes, we sampled eDNA from four tanks in the Okinawa Churaumi Aquarium with known species compositions, prepared dual-indexed libraries and performed paired-end sequencing of the region using high-throughput next-generation sequencing technologies. Out of the 180 marine fish species contained in the four tanks with reference sequences in a custom database, we detected 168 species (93.3%) distributed across 59 families and 123 genera. These fishes are not only taxonomically diverse, ranging from sharks and rays to higher teleosts, but are also greatly varied in their ecology, including both pelagic and benthic species living in shallow coastal to deep waters. We also sampled natural seawaters around coral reefs near the aquarium and detected 93 fish species using this approach. Of the 93 species, 64 were not detected in the four aquarium tanks, rendering the total number of species detected to 232 (from 70 families and 152 genera). The metabarcoding approach presented here is non-invasive, more efficient, more cost-effective and more sensitive than the traditional survey methods. It has the potential to serve as an alternative (or complementary) tool for biodiversity monitoring that revolutionizes natural resource management and ecological studies of fish communities on larger spatial and temporal scales.
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Affiliation(s)
- M. Miya
- Department of Zoology, Natural History Museum and Institute, Chiba 260-8682, Japan
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Author for correspondence: M. Miya e-mail:
| | - Y. Sato
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Tohoku Medical Megabank Organization, Tohoku University, Miyagi 980-8573, Japan
| | - T. Fukunaga
- Department of Computational Biology, The University of Tokyo, Chiba 277-8568, Japan
| | - T. Sado
- Department of Zoology, Natural History Museum and Institute, Chiba 260-8682, Japan
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
| | - J. Y. Poulsen
- Department of Zoology, Natural History Museum and Institute, Chiba 260-8682, Japan
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Fish Section, Australian Museum, Sydney, New South Wales 2010, Australia
| | - K. Sato
- Okinawa Churashima Research Center, Okinawa 905-0206, Japan
| | - T. Minamoto
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Graduate School of Human Development and Environment, Kobe University, Hyogo 657-8501, Japan
| | - S. Yamamoto
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Graduate School of Human Development and Environment, Kobe University, Hyogo 657-8501, Japan
| | - H. Yamanaka
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Faculty of Science and Technology, Ryukoku University, Shiga 520-2194, Japan
| | - H. Araki
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Research Faculty of Agriculture, Hokkaido University, Hokkaido 060-8589, Japan
| | - M. Kondoh
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Faculty of Science and Technology, Ryukoku University, Shiga 520-2194, Japan
| | - W. Iwasaki
- CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan
- Department of Computational Biology, The University of Tokyo, Chiba 277-8568, Japan
- Department of Biological Sciences, The University of Tokyo, Tokyo 133-0032, Japan
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Yakushiji T, Ono M, Igawa W, Takehiko K, Ebara S, Okabe T, Yamashita K, Yamamoto M, Hoshimoto K, Saito S, Amemiya K, Isomura N, Araki H, Ochiai M. Anti-inflammatory effect of colchicine in Japanese patients with stable coronary artery disease: A pilot study. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2015.06.781] [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: 12/01/2022]
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20
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Kitamura T, Torii S, Oka N, Horai T, Nakashima K, Itatani K, Koyama S, Hari Y, Araki H, Sato H, Miyaji K. Key success factors for thoracic endovascular aortic repair for non-acute Stanford type B aortic dissection. Eur J Cardiothorac Surg 2014; 46:432-7; discussion 437. [DOI: 10.1093/ejcts/ezu012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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21
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Kitamura T, Oka N, Nakashima K, Itatani K, Koyama S, Hari Y, Araki H, Miyaji K. 296 * KEY SUCCESS FACTORS FOR THORACIC ENDOVASCULAR AORTIC REPAIR FOR NON-ACUTE STANFORD TYPE B AORTIC DISSECTION. Interact Cardiovasc Thorac Surg 2013. [DOI: 10.1093/icvts/ivt372.296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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22
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Uzu T, Nakao K, Kume S, Araki H, Isshiki K, Araki SI, Kawai H, Ugi S, Kashiwagi A, Maegawa H. High sodium intake is associated with masked hypertension in Japanese patients with type 2 diabetes and treated hypertension. Am J Hypertens 2012; 25:1170-4. [PMID: 22810841 DOI: 10.1038/ajh.2012.102] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Knowledge regarding the association between dietary sodium intake and the incidence of masked hypertension is limited. METHODS A total of 193 Japanese type 2 diabetic outpatients who had been treated with antihypertensive agents and with office blood pressures <140/90 mm Hg were recruited. Masked hypertension was defined as having office blood pressure <140/90 mm Hg and 24-h mean ambulatory blood pressure ≥130/80 mm Hg. The dietary sodium intake was estimated by measuring the 24-h urinary sodium excretion. RESULTS Masked hypertension was found in 128 (66.3%) patients. An age- and sex-adjusted univariate logistic regression analysis showed that urinary albumin excretion, renin-angiotensin system inhibitor use, office systolic blood pressure, and amount of dietary sodium intake were significantly associated with masked hypertension. A multivariate logistic regression analysis also identified an older age, renin-angiotensin system inhibitor use, an office elevated systolic blood pressure, and high dietary sodium intake to be independently associated with masked hypertension. When compared with those who consumed a low salt diet (sodium <120 mEq/day), the odds ratio for the risk of exhibiting masked hypertension in patients who consumed a medium salt diet (sodium 120 to <200 mEq/day) or a high salt diet (sodium ≥200 mEq/day) were 5.3 (P < 0.001) and 12.6 (P < 0.001), respectively. CONCLUSIONS Masked hypertension is a common feature in type 2 diabetic patients being treated for hypertension. The observed association with sodium intake raised the hypothesis that excessive sodium intake may play a part in the genesis of masked hypertension in these patients.
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Shelling A, Rosario R, Araki H, Print C. 548 The Transcriptional Targets of Mutant FOXL2 in Granulosa Cell Tumours of the Ovary. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)71207-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Araki H, Sarwar A, Nakano H, Takamushi S, Ichikawa S, Jishi T, Hoshino Y. BIOMASS PRODUCTION AND YIELD OF RECENT ASPARAGUS CULTIVARS IN SNOW COVER REGION, HOKKAIDO, JAPAN: 3RD IACT REPORT. ACTA ACUST UNITED AC 2012. [DOI: 10.17660/actahortic.2012.950.21] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Hatano K, Sasagawa R, Imagunbai T, Araki H, Sakai M, Ogawa H, Tohyama N, Kodama T, Iwase T, Kojima T. Image-guided Intracavitary HDR Brachytherapy (IGBT) For Cervical Cancer Using Tandem and Cylinder Pair Applicator: Does the Applicator Shift Influences on the DVH of OARs During Image Acquisition and Treatment. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.1006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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26
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Hatano K, Imagunbai T, Sakai M, Araki H, Tohyama N, Kodama T, Kojima T, Kawachi T, Ueda K, Maruoka M. High Dose Localized Irradiation to Intermediate and High Risk Prostate Cancer with Gold Fiducial Marker based Intensity Modulated Radiotherapy Combined with Neoadjuvant and Concurrent Hormonal Therapy. Int J Radiat Oncol Biol Phys 2010. [DOI: 10.1016/j.ijrobp.2010.07.806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kawazoe H, Motoki Y, Takechi Y, Shishino Y, Ido K, Suemaru K, Araki H. Comparison of antiemetic efficacy between single and repeat treatment with dexamethasone in patients receiving carboplatin-based combination chemotherapy. Methods Find Exp Clin Pharmacol 2010; 32:499-505. [PMID: 21069101 DOI: 10.1358/mf.2010.32.7.1501438] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A retrospective study was carried out to compare the preventive effects of single and repeat treatment with dexamethasone (DEX) on delayed nausea and emesis in patients who had received carboplatin (CBDCA)-based combination chemotherapy. Sixty-four patients were evaluated. Efficacy was assessed using the nausea and emesis score, food intake score and the requirement for antiemetic medication. These forward scores were categorized as three-grade during the first 5 days after chemotherapy. Acute nausea and emesis were well controlled in both groups on day 1. Mean values of the nausea and emesis score on day 3 evening and the food intake score on day 4 morning in the repeat-treatment group was 1.31 ± 0.93 and 3.46 ± 1.03, respectively, which were significantly better when compared with the single-treatment group (2.00 ± 1.52; P = 0.028 and 2.79 ± 1.12; P = 0.018, respectively). Multivariate logistic regression analysis revealed that less frequent dispensing of antiemetic medication was significantly associated with the repeat-treatment group (adjusted odds ratio, 0.153; 95% confidence interval, 0.026-0.734; P = 0.018). These results suggest that repeat-dose DEX may be more effective than single-dose DEX for the prevention of delayed nausea and emesis after CBDCA-based combination chemotherapy.
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Affiliation(s)
- H Kawazoe
- Division of Pharmacy, Ehime University Hospital, Ehime, Japan.
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28
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Onogi F, Araki H, Ibuka T, Manabe Y, Yamazaki K, Nishiwaki S, Moriwaki H. "Transmural air leak": a computed tomographic finding following endoscopic submucosal dissection of gastric tumors. Endoscopy 2010; 42:441-7. [PMID: 20432207 DOI: 10.1055/s-0029-1244013] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND AND STUDY AIMS A small amount of free air, visible on CT but not on plain chest radiography, which appeared following endoscopic submucosal dissection (ESD) of a gastric neoplasm without endoscopically visible perforation, was defined as a "transmural air leak", and a prospective, consecutive entry study was performed to determine its incidence and clinical significance. PATIENTS AND METHODS Between January 2006 and September 2008, ESD was performed for 246 gastric lesions in 246 consecutive patients. Abdominal CT scan was performed 1 day after ESD. In addition, chest radiography and blood biochemistry tests were performed at different time points before and after ESD. RESULTS Two hundred and nineteen lesions (89 %) were curatively removed by ESD. Among the total of 246 patients, we encountered endoscopically visible perforation during ESD in 2 patients (0.8 %), and clinically suspected perforation diagnosed by the presence of free air on chest radiography but invisible during ESD in 3 patients (1 %), while transmural air leak was observed in another 33 (13 %). Air leak occurred in cases where resection size was larger, procedure time longer, and the muscularis propria on the ulcer base was exposed at the end of ESD. Patients with air leaks developed pyrexia at a higher rate than those without (36 % vs. 16 %, P = 0.018). These patients recovered with antibiotics and required no endoscopic or surgical intervention. The presence of an air leak did not affect the duration of hospital stay. CONCLUSIONS A transmural air leak was observed in 13 % of the patients undergoing ESD. Larger resection size, prolonged procedure time, and exposure of the muscularis propria on the ulcer base were risk factors for transmural air leak, but the outcome of patients with this complication was good.
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Affiliation(s)
- F Onogi
- Department of Gastroenterology, Gifu University Hospital, Gifu, Japan
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29
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Yakushijin Y, Tatsukawa T, Yamaguchi T, Egawa T, Hidaka N, Ido K, Suemaru K, Araki H, Yasukawa M. Concurrent administration of rituximab and CHOP chemotherapeutic agents for outpatients with CD20+ lymphoma. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.e13115] [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: 11/20/2022] Open
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30
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Nishiwaki S, Araki H, Takada J, Watanabe N, Asano T, Iwashita M, Tagami A, Hatakeyama H, Hayashi T, Maeda T, Saitoh K. Usefulness of an ultrathin endoscope in recanalization of a disrupted fistulous tract following percutaneous endoscopic gastrostomy or jejunostomy. Endoscopy 2010; 41 Suppl 2:E273-4. [PMID: 19866425 DOI: 10.1055/s-0029-1215208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- S Nishiwaki
- Department of Internal Medicine, Nishimino Kosei Hospital, Yoro-cho, Yoro-gun, Gifu, Japan.
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Yabuuchi A, Yamamoto Y, Ohira J, Sugita K, Mizuno M, Araki H, Shirai Y. Vacancy trapping by solute atoms during quenching in Cu-based dilute alloys studied by positron annihilation spectroscopy. ACTA ACUST UNITED AC 2009. [DOI: 10.1088/1742-6596/191/1/012019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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32
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Yokoyama A, Morimoto S, Araki H, Sanada J, Baba H, Shinohara A, Shibata S, Saito T, Ohkubo Y. Radiochemical study on the mechanism of target fragmentation of Cu, Nb, Pr and Au targets induced by 12C and 40Ar projectiles. RADIOCHIM ACTA 2009. [DOI: 10.1524/ract.2001.89.11-12.703] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
A thick-target thick-catcher experiment was performed to measure the formation cross sections and recoil momenta of products from target fragmentation of Cu, Nb, Pr, and Au by using gamma-ray spectrometry. Bombardments of C ions (180, 290, and 400 MeV/u) and Ar ions (290 and 650 MeV/u) were performed at the HIMAC facility in Japan. The results were discussed in comparison with systematics of fragmentation and used to deduce the prefragments in fragmentation process of the measured systems.
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Hatano K, Sakai M, Araki H, Imagunbai T, Tohyama N, Kodama T, Kojima T, Ueda K, Maruoka M. 7031 The impact of neoadjuvant and concurrent MAB for intermediate & high risk localized prostate cancer treated with IMRT. EJC Suppl 2009. [DOI: 10.1016/s1359-6349(09)71409-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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34
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Nishiwaki S, Araki H, Shirakami Y, Kawaguchi J, Asano T, Iwashita M, Tagami A, Hatakeyama H, Hayashi T, Maeda T, Naganawa S, Saitoh K. Direct percutaneous endoscopic jejunostomy using a transgastrostomic endoscope in patients with previous endoscopic gastrostomy. Endoscopy 2009; 41 Suppl 2:E36-7. [PMID: 19288414 DOI: 10.1055/s-0028-1119468] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- S Nishiwaki
- Department of Internal Medicine, Nishimino Kosei Hospital, Yoro-cho, Yoro-gun, Gifu, Japan.
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Nishiwaki S, Araki H, Shirakami Y, Niwa Y, Iwashita M, Hatakeyama H, Saitoh K. Transgastrostomic endoscopy-assisted endoscopic submucosal dissection. Endoscopy 2009; 41 Suppl 2:E13. [PMID: 19197834 DOI: 10.1055/s-2008-1077713] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- S Nishiwaki
- Department of Internal Medicine, Nishimino Kosei Hospital, Gifu, Japan.
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Nishikimi T, Tsuzuki T, Fujita T, Sassa N, Araki H, Fukatsu A, Katsuno S, Yoshino Y, Hattori R, Gotoh M. Prognostic factors of clear renal cell carcinoma in pT1a cases. J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.e16064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
e16064 Background: The proportion of clear cell renal cell carcinoma (CRCC) cases diagnosed at pT1a is known to be increasing significantly. Although their prognosis is excellent in general, some cases show distant metastasis. Most of proposed prognostic factors are based on mainly large sized CRCC data. The prognostic factors for small sized CRCC, especially for pT1a cases, aren't well described. Methods: Three hundred three pT1a CRCC cases were retrieved from authors’ institution files. All cases were reviewed by the single uropathologist (T. Tsuzuki). For each case, the following pathological parameters were analyzed: patient age, tumor location (upper, middle, low), Furhman grade, presence of capsule, presence of lympho-vascular invasion, growth pattern (expansive or infiltrating), presence of scar, presence of hemorrhage, and presence of necrosis. Results: Male to female ratio was 4.4. Patient's age ranged from 21 to 85 years (median: 59 years). Follow up duration ranged from one to 225 months (median: 59 months). 35 cases showed distant metastasis. The 5-year and 10-year cause specific survival rate were 96.9%, 93.0%. The 5-year and 10-year recurrence free survival rate were 91.8%, 83.9%. Furhman grade (grade 1+2+3 vs. 4), presence of lympho-vascular invasion, infiltrating growth pattern, and presence of necrosis were statistical significant (p < 0.0001). Conclusions: Furhman grade (less than 3 vs. 4), presence of lympho-vascular invasion, growth pattern, and presence of necrosis can be prognostic factors in CRCC in pTa cases. Growth pattern, which is unrecognized concept for prognosis, can be a new prognostic factor in CRCC. No significant financial relationships to disclose.
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Affiliation(s)
- T. Nishikimi
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - T. Tsuzuki
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - T. Fujita
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - N. Sassa
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - H. Araki
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - A. Fukatsu
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - S. Katsuno
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - Y. Yoshino
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - R. Hattori
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
| | - M. Gotoh
- Tokai Urological Clinical Trial Study Group (TUCTG); Nagoya Daini Red Cross Hospital, Nagoya, Japan; Chukyo Hospital, Nagoya, Japan; Nagoya University, Nagoya, Japan; Toyohashi Municipal Hospital, Toyohashi, Japan; Komaki Municipal Hospital, Komaki, Japan; Okazaki Municipal Hospital, Okazaki, Japan; Tokai Urological Clinical Trial Study Group (TUCTG)
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Araki H, Tazawa S, Noda H, Ishihara Y, Goossens S, Sasaki S, Kawano N, Kamiya I, Otake H, Oberst J, Shum C. Lunar Global Shape and Polar Topography Derived from Kaguya-LALT Laser Altimetry. Science 2009; 323:897-900. [DOI: 10.1126/science.1164146] [Citation(s) in RCA: 216] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Welch K, Araki H, Arkins T. Electrical potentials of the lamina epithelialis choroidea of the fourth ventricle of the cat in vitro: relationship to the CSF blood potential. Dev Med Child Neurol Suppl 2008; 27:146-50. [PMID: 4509414 DOI: 10.1111/j.1469-8749.1972.tb09788.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Araki H, Nishihara T, Matsuda M, Fukuhara A, Kihara S, Funahashi T, Kataoka TR, Kamada Y, Kiyohara T, Tamura S, Hayashi N, Shimomura I. Adiponectin plays a protective role in caerulein-induced acute pancreatitis in mice fed a high-fat diet. Gut 2008; 57:1431-40. [PMID: 18579666 DOI: 10.1136/gut.2007.135665] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
Abstract
BACKGROUND Obesity is a risk factor for acute pancreatitis (AP), but the molecular mechanism remains unclear. Adiponectin, an adipose tissue-derived secretory factor, has anti-inflammatory properties in addition to various biological functions, and its plasma concentrations are reduced in obese subjects. However, the role of adiponectin in AP has not been investigated. AIM To determine the effects of adiponectin on AP. METHODS We investigated the effects of adiponectin on experimental AP by using adiponectin-knockout (APN-KO) mice and adenovirus-mediated adiponectin over-expression. AP was induced by 10 hourly intraperitoneal injections of low-dose caerulein (10 microg/kg) after 2 week feeding of normal chow or a high-fat diet (HFD) in wild-type (WT) and APN-KO mice. We evaluated the severity of AP biochemically and morphologically. RESULTS Low-dose caerulein treatment did not induce pancreatic damage in either WT or APN-KO mice under normal chow feeding. APN-KO mice, but not WT mice, fed a HFD and then treated with caerulein developed pancreatic damage and inflammation, accompanied by increased macrophage/neutrophil infiltration and upregulation of pro-inflammatory mediators such as tumour necrosis factor alpha in the pancreas. Adenovirus-mediated over-expression of adiponectin attenuated the severity of HFD/caerulein-induced AP in APN-KO mice. CONCLUSIONS Adiponectin plays a protective role in caerulein-induced AP in HFD-fed mice.
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Affiliation(s)
- H Araki
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Osaka University, K1, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
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Tanaka M, Suemaru K, Watanabe S, Cui R, Li B, Araki H. Behavioral pharmacological properties after recovery from the loss of righting reflex induced by benzodiazepine receptor agonists in mice. Methods Find Exp Clin Pharmacol 2008; 30:607-613. [PMID: 19088945 DOI: 10.1358/mf.2008.30.8.1268818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
In this study we examined the behavioral pharmacological side effects after recovery from the loss of righting reflex induced by three benzodiazepine receptor agonists - zolpidem, brotizolam and flunitrazepam - in ddY mice. All agents caused marked motor incoordination in the rotarod test and muscle flaccidity in the traction test until 15 min after recovery of righting reflex. Thereafter, the short-acting hypnotics zolpidem and brotizolam showed a faster recovery than the long-acting benzodiazepine flunitrazepam. However, head twitch responses were observed in the mice treated with flunitrazepam, but zolpidem and brotizolam had no such effect. The flunitrazepam-induced head twitch response was antagonized by ketanserin, a 5- HT(2A) receptor antagonist. These results indicate that flunitrazepam, a long-acting benzodiazepine that is nonselective for type I and II benzodiazepine receptors, induces head twitch responses with muscle flaccidity after recovery from the loss of righting reflex caused by these drugs. In addition, these findings suggest the involvement of a 5-HT(2A)-GABA(A) receptor/benzodiazepine interaction in this phenomenon.
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Affiliation(s)
- M Tanaka
- Division of Pharmacy, Ehime University Hospital, Shitsukawa, Toon, Ehime 791-0295, Japan
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Ozawa Y, Yoshida S, Kitayama N, Mitsumi M, Toriumi K, Tsuge K, Araki H, Sasaki Y. Single-crystal structure analysis of photo-excited state of halogen-bridged dicopper(I) complexes. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308080203] [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: 11/11/2022] Open
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Suemaru K, Cui R, Li B, Watanabe S, Okihara K, Hashimoto K, Yamada H, Araki H. Topical application of royal jelly has a healing effect for 5-fluorouracil-induced experimental oral mucositis in hamsters. ACTA ACUST UNITED AC 2008; 30:103-6. [PMID: 18560624 DOI: 10.1358/mf.2008.30.2.1159655] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The aim of this study was to evaluate the effects of bee products such as honey, royal jelly and propolis on 5-fluorouracil-induced experimental oral mucositis in hamsters. Oral mucositis was induced in hamsters through a combination of 5-fluorouracil and mild abrasions that were made on the cheek pouch. Honey, royal jelly and propolis were thereafter topically administered to the oral mucosa, and then the healing process was examined by measuring the size of the mucositis. Honey (1%, 10% and 100%) and propolis (0.3%, 1% and 3%) ointments did not reduce the size of the mucositis in comparison to the vaseline-treated control group. However, the royal jelly (3%, 10% and 30%) ointments significantly improved the recovery from 5-fluorouracil-induced damage in a dose-dependent manner. These results suggest the possibility that the topical application of royal jelly has a healing effect on severe oral mucositis induced by chemotherapy.
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Affiliation(s)
- K Suemaru
- Department of Clinical Pharmacology and Pharmacy, Neuroscience, Ehime University Graduate School of Medicine, Ehime, Japan.
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Otsuka T, Tanaka A, Suemaru K, Inoue T, Nishimiya T, Murase M, Araki H. Evaluation of the clinical application of cystatin C, a new marker of the glomerular filtration rate, for the initial dose-setting of arbekacin. J Clin Pharm Ther 2008; 33:227-35. [DOI: 10.1111/j.1365-2710.2008.00905.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Sugimoto T, Yasuda M, Sakaguchi M, Osawa N, Tanaka Y, Uzu T, Kashiwagi A, Araki H, Isono M. Hyponatraemia due to renal proximal tubule dysfunction in a patient with adult-onset Still's disease. QJM 2008; 101:163-4. [PMID: 18184665 DOI: 10.1093/qjmed/hcm141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Hidaka N, Suemaru K, Araki H. Changes in the plasma diazepam concentration and its anticonvulsant effect after the discharge of a diazepam suppository from the rectum in rats. ACTA ACUST UNITED AC 2007; 29:401-4. [PMID: 17922068 DOI: 10.1358/mf.2007.29.6.1119163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
One of the clinical problems regarding the use of suppositories for patients is the discharge of the medication itself after the insertion of the suppository. The effects of the discharge of diazepam (DZP) suppositories from the rectum on the plasma DZP concentration and its anticonvulsant action were investigated in rats. The plasma DZP concentration reached a maximum at approx. 30 min after the rectal administration of a 5 mg/kg DZP suppository. The discharge of the DZP suppository from the rectum at 5 or 10 min after rectal administration significantly reduced the plasma DZP concentration and the anticonvulsant action of the DZP suppository against pentylenetetrazol-induced seizures. However, when the suppository was discharged from the rectum after 20 min, the plasma DZP concentration and the anticonvulsant action were only slightly but not significantly decreased. These results suggest that the discharge of the DZP suppository in the early phase, within 20 min, decreases the plasma concentration and the anticonvulsant action of the DZP suppository in rats. Therefore, when the suppository is discharged from the rectum immediately, sufficient observation and proper treatment are necessary.
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Affiliation(s)
- N Hidaka
- Division of Pharmacy, Ehime University Hospital, Shitsukawa, Toon, Ehime, Japan
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Nakata B, Sowa M, Tsuji A, Kamano T, Sasaki K, Fukunaga Y, Takahashi M, Tsujitani S, Mikami Y, Mitachi Y, Nishimura S, Araki H, Yamamitsu S, Hirakawa K, Tominaga S, Shirasaka T, Inokuchi K. Continuous infusion of 5-fluorouracil with versus without low-dose, consecutive administration of cisplatin in advanced colorectal cancer. A prospective randomized phase II study. J Exp Clin Cancer Res 2007; 26:51-60. [PMID: 17550132] [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: 05/15/2023]
Abstract
Recently, the treatment of advanced gastric cancer by continuous infusion of 5-fluorouracil (5-FU) with low-dose cisplatin (CDDP) has improved efficacy without severe toxicities. The possible effectiveness of 5-FU+low-dose CDDP for colorectal cancer (CRC) is intriguing. One hundred fifty-five patients with far-advanced CRC including at least one measurable lesion were enrolled in a prospective randomized clinical trial funded by the Japanese Foundation for Multidisciplinary Treatment of Cancer. These patients were assigned to the two arms to assess the value of low-dose CDDP when added to a continuous intravenous infusion of 5-FU at a dose of 300 mg/m(2)/24 hrs in a one-week cycle consisting of 5 days of treatment and 2 days of rest for at least 12 weeks. CD-DP was given intravenously at a dose of 3 mg/m(2) on days 1-5 and days 8-12, and then at a dose of 7 mg/m(2) twice a week. Three patients were excluded from the trial. The response rate in the 5-FU+low-dose CDDP arm (n=75) was significantly higher than that in the 5-FU arm (n=77) (25.3% vs. 11.7%; P = 0.037). There was no significant difference in the median overall survival time between the 5-FU+low-dose CDDP arm and the 5-FU arm (479 and 491 days, respectively). Grades 3/4 toxicities occurred infrequently in both arms. The quality of life was almost the same between the arms. Low-dose CDDP improved the response rate while keeping toxicities within clinically acceptable limits. However, this combined treatment did not confer a survival advantage over treatment with continuous infusion of 5-FU alone for patients with far-advanced CRC; that might be attributable to the short CDDP administration setting of 12 weeks.
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Affiliation(s)
- B Nakata
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Osaka, Japan.
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Noda T, Maki K, Takeuchi T, Suzuki H, Araki H, Yang W. Induced activity and damage of superconducting materials for a fusion reactor. Fusion Engineering and Design 2006. [DOI: 10.1016/j.fusengdes.2005.06.371] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ozawa Y, Yoshida S, Mitsumi M, Toriumi K, Yasuda N, Tsuge K, Araki H, Sasaki Y. Photo excited state crystallography of iodo-bridged dicopper(I) complex. Acta Crystallogr A 2005. [DOI: 10.1107/s010876730509848x] [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: 11/10/2022] Open
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Araki H, Yoshizumi S, Inomata N, Yamazaki T. Genetic coadaptation of the amylase gene system in Drosophila melanogaster: evidence for the selective advantage of the lowest AMY activity and of its epistatic genetic background. ACTA ACUST UNITED AC 2005; 96:388-95. [PMID: 15800131 DOI: 10.1093/jhered/esi051] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
In natural populations of Drosophila melanogaster, an amylase isozyme with the lowest alpha-amylase activity (AMY(1,1)) is predominant. To evaluate the selective significance of AMY(1,1) and its regulatory factor(s), we examined selection experiments in laboratory populations on two distinct food environments. After 300 generations, AMY(1,1) became predominant (89%) in a glucose (a product of AMY)-rich environment, while an isozyme with higher alpha-amylase activity, AMY(1,6), became predominant (83%) in a starch (substrate)-rich environment. We found that the identical alleles of the amylase (Amy) gene, which encodes each of AMY(1,1) and AMY(1,6), were shared between the two populations in the different food environments, employing the nucleotide sequencing of the duplicated Amy genes. Nevertheless, AMY(1,6) homozygotes selected in the starch-rich environment had a twofold higher AMY enzyme activity than those selected in the glucose-rich environment, suggesting a coadaptation of the coding region and its regulatory factor(s) on the genetic background. Such a difference in AMY enzyme activity was not detected between AMY(1,1) homozygotes, suggesting that the effect of the genetic background is epistatic. Our results indicate that natural selection is working on the Amy gene system as a whole for flies to adapt to the various food environments of local populations.
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Affiliation(s)
- H Araki
- Department of Biology, Graduate School of Sciences, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan.
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Kurihara S, Adachi Y, Imai C, Araki H, Hattori N, Numakura C, Lin Y, Hayasaka K, Sobue G, Nakashima K. Charcot-Marie-Tooth families in Japan with MPZ Thr124Met mutation. J Neurol Neurosurg Psychiatry 2004; 75:1492-4. [PMID: 15377707 PMCID: PMC1738775 DOI: 10.1136/jnnp.2003.020107] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND The MPZ Thr124Met mutation is characterised by a late onset, pupillary abnormality, deafness, normal or moderate decreased motor nerve conduction velocity, and axonal damage in sural nerve biopsy. OBJECTIVE To investigate the clinical manifestations of the axonal or demyelinating forms of the Japanese MPZ Thr124Met mutation originating in four different areas: Tottori, Nara, Aichi, and Ibaragi. RESULTS Genotyping with DNA microsatellite markers linked to the MPZ gene on chromosome 1q22-q23 showed shared allelic characteristics between 12.65 cM and revealed a common haplotype in all Tottori families. Aichi and Ibaragi families shared parts of the haplotype around the MPZ gene. However, there was no consistency with a Nara family. CONCLUSIONS The high frequency of this peculiar genotype in the Tottori CMT population is presumably due to a founder effect, but in Thr124 it might constitute a mutation hotspot in the MPZ gene.
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Affiliation(s)
- S Kurihara
- Department of Neurology, Institute of Neurological Sciences, Faculty of Medicine, Tottori University, 36-1 Nishimachi, Yonago, Tottori 683-8504 Japan.
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