Koutaro Yokote

ORCID: 0000-0003-3033-4813
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About
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Research Areas
  • Lipoproteins and Cardiovascular Health
  • Diabetes Treatment and Management
  • Diabetes, Cardiovascular Risks, and Lipoproteins
  • Cancer, Lipids, and Metabolism
  • DNA Repair Mechanisms
  • Nuclear Structure and Function
  • Metabolism, Diabetes, and Cancer
  • Atherosclerosis and Cardiovascular Diseases
  • RNA regulation and disease
  • Peroxisome Proliferator-Activated Receptors
  • Cancer, Hypoxia, and Metabolism
  • Acute Myeloid Leukemia Research
  • Adrenal and Paraganglionic Tumors
  • Pharmacology and Obesity Treatment
  • Diet and metabolism studies
  • Lipid metabolism and disorders
  • Cell Adhesion Molecules Research
  • Chronic Kidney Disease and Diabetes
  • Pancreatic function and diabetes
  • Diabetes and associated disorders
  • Immune Cell Function and Interaction
  • SARS-CoV-2 and COVID-19 Research
  • Retinal Diseases and Treatments
  • Bariatric Surgery and Outcomes
  • Hormonal Regulation and Hypertension

Chiba University
2016-2025

Chiba University Hospital
2016-2025

Walter and Eliza Hall Institute of Medical Research
2023-2024

International University of Health and Welfare
2019-2021

Japanese Red Cross Narita Hospital
2019

Osaka University Hospital
2018

Yokosuka Kyosai Hospital
2015

Institute for Atherosclerosis Research
2007-2014

Diabetes Australia
2011

RIKEN Center for Integrative Medical Sciences
2010

Obesity is a global health challenge with few pharmacologic options. Whether adults obesity can achieve weight loss once-weekly semaglutide at dose of 2.4 mg as an adjunct to lifestyle intervention has not been confirmed.

10.1056/nejmoa2032183 article EN New England Journal of Medicine 2021-02-10

Revisions 1. CQs and Systematic Review (SR)In the subsections on dyslipidemia in assessment of risk factors, absolute ASCVD, lipid management targets as well drug therapy diet improving lifestyle habits, we created performed an SR based MINDS method.For our SR, essentially chose literature published before end 2015. Calculation Absolute RiskFollowing 2012 version, has been using calculation described this set guidelines.The NIPPON DATA80, which was used to calculate result baseline surveys...

10.5551/jat.gl2017 article EN Journal of Atherosclerosis and Thrombosis 2018-08-21

We identified a p53 target gene, phosphate-activated mitochondrial glutaminase (GLS2), key enzyme in conversion of glutamine to glutamate, and thereby regulator glutathione (GSH) synthesis energy production. GLS2 expression is induced response DNA damage or oxidative stress p53-dependent manner, associates with the promoter. Elevated facilitates metabolism lowers intracellular reactive oxygen species (ROS) levels, resulting an overall decrease oxidation as determined by measurement 8-OH-dG...

10.1073/pnas.1002459107 article EN Proceedings of the National Academy of Sciences 2010-03-29

Among the various atherosclerotic cardiovascular diseases (CVDs), these guidelines primarily deal with cerebrovascular disease, peripheral arterial disease (PAD) and coronary artery (CAD), which occur in association atherosclerosis is closely related to dyslipidemia.

10.5551/jat.15792 article EN cc-by-nc-sa Journal of Atherosclerosis and Thrombosis 2013-01-01

To explore changes in body weight and cardiometabolic risk factors after treatment withdrawal the STEP 1 trial extension.STEP (NCT03548935) randomized 1961 adults with a mass index ≥ 30 kg/m2 (or 27 weight-related co-morbidity) without diabetes to 68 weeks of once-weekly subcutaneous semaglutide 2.4 mg (including 16 dose escalation) or placebo, as an adjunct lifestyle intervention. At week 68, treatments intervention) were discontinued. An off-treatment extension assessed for further year...

10.1111/dom.14725 article EN cc-by Diabetes Obesity and Metabolism 2022-04-19
Kohjiro Ueki Takayoshi Sasako Yukiko Okazaki Masayuki Kato Sumie Okahata and 95 more Hisayuki Katsuyama Mikiko Haraguchi Ai Morita Ken Ohashi Kazuo Hara Atsushi Morise Kazuo Izumi Naoki Ishizuka Yasuo Ohashi Mitsuhiko Noda Takashi Kadowaki Masakazu Haneda Yasunori Iwashima Toshihiro Suda Naoki Tamasawa Makoto Daimon Jo Satoh Noriko Takebe Yasushi Ishigaki Tsuyoshi Watanabe Hiroaki Satoh Kikuo Kasai Yoshimasa Aso Shun Ishibashi Shigehiro Katayama San‐e Ishikawa Masafumi Kakei Kazuyuki Namai Naotake Hashimoto Yoshifumi Suzuki Shunichiro Onishi Koutaro Yokote Masafumi Matsuda Masahiro Masuzawa Yoichi Hayashi Satoshi Saitô Norikazu Ogihara Hisamitsu Ishihara Naoko Tajima Kazunori Utsunomiya Akira Shimada Hiroshi Itoh Ryuzo Kawamori Hirotaka Watada Michio Hayashi Yasumichi Mori Teruo Shiba Akihiro Isogawa Hiroshi Sakura Masato Odawara Kazuyuki Tobe Kazuhisa Tsukamoto Toshimasa Yamauchi Tamio Teramoto Yukio Hirata Isao Uchimura Yoshihiro Ogawa Gen Yoshino Takahisa Hirose Hiroshi Kajio Yoshihito Atsumi Akira Shimada Yoichi Oikawa Atsushi Araki Akio Ueki Atsushi Ohno Masafumi Kitaoka Yoshikuni Fujita Tatsumi Moriya Taiki Tojo Masayoshi Shichiri Daisuke Suzuki Masao Toyoda Kumiko Hamano Rieko Komi Yasuo Terauchi Nobuaki Kuzuya Masayo Yamada Toshinari Takamura Mitsuo Imura Hiroshi Tanaka Masayuki Hayashi Yasuhisa Kato Mitsuyasu Itoh Atsushi Suzuki Mikihiro Nakayama Takahisa Sano Eitaro Nakashima Yasuhiro Sumida Yutaka Yano Tsuyoshi Tanaka Kazuya Murata Atsunori Kashiwagi Hiroshi Maegawa Shigeo Kono

10.1016/s2213-8587(17)30327-3 article EN publisher-specific-oa The Lancet Diabetes & Endocrinology 2017-10-24

Abstract Metabolic dysfunction is a primary feature of Werner syndrome (WS), human premature aging disease caused by mutations in the gene encoding (WRN) DNA helicase. WS patients exhibit severe metabolic phenotypes, but underlying mechanisms are not understood, and whether deficit can be targeted for therapeutic intervention has been determined. Here we report impaired mitophagy depletion NAD + , fundamental ubiquitous molecule, patient samples invertebrate models. WRN regulates...

10.1038/s41467-019-13172-8 article EN cc-by Nature Communications 2019-11-21

Chronic inflammation due to obesity contributes the development of metabolic diseases, autoimmune and cancer. Reciprocal interactions between systems immune cells have pivotal roles in pathogenesis obesity-associated although mechanisms regulating inflammatory diseases are still unclear. In present study, we performed transcriptional profiling memory phenotype CD4 T high-fat-fed mice identified acetyl-CoA carboxylase 1 (ACC1, gene product Acaca) as an essential regulator Th17 cell...

10.1016/j.celrep.2015.07.014 article EN cc-by-nc-nd Cell Reports 2015-07-30

Abstract To fulfil the bioenergetic requirements for increased cell size and clonal expansion, activated T cells reprogramme their metabolic signatures from energetically quiescent to activated. However, molecular mechanisms essential components controlling reprogramming in are not well understood. Here, we show that mTORC1–PPARγ pathway is crucial fatty acid uptake programme CD4 + cells. This required full activation rapid proliferation of naive memory PPARγ directly binds induces genes...

10.1038/ncomms13683 article EN cc-by Nature Communications 2016-11-30

Statement1. Familial hypercholesterolemia (FH) is an autosomal hereditary disease with the 3 major clinical features of hyper-LDL-cholesterolemia, premature coronary artery and tendon skin xanthomas. As there a considerably high risk (CAD), in addition to early diagnosis intensive treatment, family screening (cascade screening) required (Recommendation level A) 2. For FH, at least 2 following criteria should be satisfied:① LDL-C ≥180 mg/dL, ② Tendon/skin xanthomas, ③ History FH or CAD within...

10.5551/jat.cr003 article EN Journal of Atherosclerosis and Thrombosis 2018-06-06

Background: Evidence regarding the primary prevention of coronary artery disease events by low-density lipoprotein cholesterol (LDL-C) lowering therapy in older individuals, aged ≥75 years, is insufficient. This trial tested whether LDL-C–lowering with ezetimibe useful for cardiovascular patients. Methods: multicenter, prospective, randomized, open-label, blinded end-point evaluation conducted at 363 medical institutions Japan examined preventive efficacy patients elevated LDL-C without...

10.1161/circulationaha.118.039415 article EN Circulation 2019-08-22

To assess the efficacy and safety of K-877 (Pemafibrate), a novel selective peroxisome proliferator-activated receptor α modulator (SPPARMα) that possesses unique PPARα activity selectivity, compared with placebo fenofibrate in dyslipidaemic patients high triglyceride (TG) low high-density lipoprotein cholesterol (HDL-C) levels.This study was double blind, placebo-controlled, parallel-group 12-week clinical trial. The randomized 224 to 0.025, 0.05, 0.1, 0.2 mg BID, 100 QD, or (1:1:1:1:1:1)...

10.1016/j.atherosclerosis.2016.02.029 article EN cc-by-nc-nd Atherosclerosis 2016-02-26

Abstract Glutamine synthase 2 (GLS2) is a key regulator of glutaminolysis and has been previously implicated in activities consistent with tumor suppression. Here we generated Gls2 knockout (KO) mice that develop late-occurring B-cell lymphomas hepatocellular carcinomas (HCC). Further, KO subjected to the hepatocarcinogenic Stelic Animal Model (STAM) protocol produce larger HCC tumors than seen wild-type (WT) mice. GLS2 shown promote ferroptosis, form cell death characterized by...

10.1158/0008-5472.can-21-3914 article EN Cancer Research 2022-07-27

To identify those who might benefit from weight reduction within a large population of obese individuals, Japan Society for the Study Obesity (JASSO) advocated concept "obesity disease." Here we summarize definition, criteria, and core concepts management obesity disease based on JASSO's latest guideline. JASSO defines as excessive fat storage in adipose tissue associated with BMI ≥25 kg/m2. The threshold is low compared to Western countries given that Japanese individuals tend develop...

10.1507/endocrj.ej23-0593 article EN cc-by-nc-nd Endocrine Journal 2023-12-19

The Src homology 2 (SH2) domain-containing Shc proteins p52shc and p46shc become phosphorylated upon activation of several tyrosine kinases are implicated in mitogenic signal transduction. Ligand stimulation the platelet-derived growth factor (PDGF) beta-receptor leads to autophosphorylation residues, which is known mediate interactions with SH2 signaling molecules. In this study, we have characterized interaction between PDGF Shc. coprecipitation immunoprecipitates was dependent on PDGF-BB....

10.1016/s0021-9258(17)36611-5 article EN cc-by Journal of Biological Chemistry 1994-05-01
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