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76. Visceral fat dominant distribution in male type 2 diabetic patients is closely related to hepatic insulin resistance, irrespective of body type

Author

Miyazaki Yoshinori and DeFronzo Ralph A

Subjects
Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

Abstract Background All previous studies that investigated the association between abdominal fat distribution and insulin resistance evaluated subcutaneous and visceral fat area and/or volume, but these values were not related to the body type of each subject. In the present study we have examined the association between abdominal fat distribution and peripheral (muscle)/hepatic sensitivity to insulin using the visceral to abdominal subcutaneous fat area ratio (VF/SF ratio) in male patients with type 2 diabetes mellitus. This ratio defines the predominancy of visceral or subcutaneous abdominal adiposity, independent of the body type of each individual. Methods Thirty-six type 2 diabetic male patients underwent a euglycemic insulin clamp (insulin infusion rate = 40 mU/m2·min) with 3-3H-glucose to measure insulin-mediated total body (primarily reflects muscle) glucose disposal (TGD) and suppression of endogenous (primarily reflects liver) glucose production (EGP) in response to a physiologic increase in plasma insulin concentration. Abdominal subcutaneous (SF) and intraabdominal visceral fat (VF) areas were quantitated with magnetic resonance imaging (MRI) at the level of L4–5. Results TGD and TGD divided by steady state plasma insulin concentration during the insulin clamp (TGD/SSPI) correlated inversely with body mass index (BMI), total fat mass (FM) measured by 3H2O, SF and VF areas, while VF/SF ratio displayed no significant relationship with TGD or TGD/SSPI. In contrast, EGP and the product of EGP and SSPI during the insulin clamp (an index hepatic insulin resistance) correlated positively with VF/SF ratio, but not with BMI, FM, VF or SF. Conclusion We conclude that, independent of the individual's body type, visceral fat dominant accumulation as opposed to subcutaneous fat accumulation is associated with hepatic insulin resistance, whereas peripheral (muscle) insulin resistance is more closely related to general obesity (i.e. higher BMI and total FM, and increased abdominal SF and VF) in male patients with type 2 diabetes.

Published
2009
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78. 大学生女子バスケットボール選手におけるフェイダウェイシュートのシュート距離と成功率との関係について

Author

Figueroa, Rafael, NODERA,Kazuhiko, TANAKA, Yuhto, MIYAZAKI, Yoshinori, Figueroa, Rafael(筑波大学大学院), NODERA,Kazuhiko(Tamagawa University Research Institute), TANAKA, Yuhto(Graduate School of Education, Tokyo Gakugei University), Figueroa, Rafael(Graduate School, Tsukuba University), and MIYAZAKI, Yoshinori(Department of Health and Sports Sciences, Tokyo Gakugei University)

Published
2011

82. 大学男子スポーツ選手における多周波インピーダンス法による推定筋量と形態周径囲および筋力との相関について

Author

MIYAZAKI, Yoshinori, YANAGIMOTO, Akihito, MIYAZAKI, Yoshinori(Tokyo Gakugei University Department of Health and Sport Science), and YANAGIMOTO, Akihito(Tokyo Gakugei University Department of Health and Sport Science)

Subjects
anthropometric girth, male athletic student, correlation, multi-frequency bioelectric impedance, muscular strength, estimated muscular volume
Published
2006

87. 剣道における手の内の運動学的分析について

Author

Kenehira, Makoto, Yanagimoto, Akihito, Miyazaki, Yoshinori, Yanagimoto, Akihito(Department of Health and Sports Science, Tokyo Gakugei University), and Miyazaki, Yoshinori(Department of Health and Sports Science, Tokyo Gakugei University)

Published
1999

88. Framework for sense disambiguation of mathematical expressions

Author

Miyazaki Yoshinori, Tanaka Shosaku, and Takayuki Watabe

Subjects
Theoretical computer science, Computer science, Computation, media_common.quotation_subject, Supervised learning, Feature (machine learning), Ambiguity, Semantic information, Symbol (formal), Expression (mathematics), media_common, Focus (linguistics)
Abstract

Mathematical expressions are indispensable for describing mathematical concepts or models. Although these expressions are formal representations, they contain ambiguity, i.e., a single expression could be interpreted as having multiple meanings. This feature prevents the flexible use of mathematical expressions in computation. In this paper, we focus on symbol-level ambiguity and consider the problem of labeling semantic information to each symbol as a classification problem. Then we propose a framework for solving the problem with supervised learning.

Published
2016
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93. 体育専攻新入学生の体格及び筋力(第2報) : 高校在学中に経験したスポーツ種目との関係を中心に

Author

Kambe, Chikashi, Oikawa, Ken, Miyazaki, Yoshinori, Shigeta, Susumu, Oikawa, Ken(Department of Health and Sports Science, Tokyo Gakugei University), Miyazaki, Yoshinori(Department of Health and Sports Science, Tokyo Gakugei University), Shigeta, Susumu(Department of Health and Sports Science, Tokyo Gakugei University), and Kambe, Chikashi(Department of Health and Sports Science, Tokyo Gakugei University)

Subjects
ETYP:教育関連論文
Published
1993

94. 中高年女性における柔軟性改善用補助台使用による立位体前屈トレーニングの効果について

Author

宮崎, 義憲, 柳本, 昭人, 野寺, 和彦, ミヤザキ, ヨシノリ, ヤナギモト, アキヒト, ノデラ, カズヒコ, MIYAZAKI, Yoshinori, YANAGIMOTO, Akihito, NODERA, Kazuhiko, 宮崎, 義憲(東京学芸大学), 柳本, 昭人(東京学芸大学), 野寺, 和彦(東京学芸大学大学院健康･生涯スポーツサブコース), MIYAZAKI, Yoshinori(Tokyo Gakugei University,Department of Health and Sport Science), YANAGIMOTO, Akihito(Tokyo Gakugei University,Department of Health and Sport Science), NODERA, Kazuhiko(Tokyo Gakugei University,Department of Health and Sport Science), 宮崎, 義憲, 柳本, 昭人, 野寺, 和彦, ミヤザキ, ヨシノリ, ヤナギモト, アキヒト, ノデラ, カズヒコ, MIYAZAKI, Yoshinori, YANAGIMOTO, Akihito, NODERA, Kazuhiko, 宮崎, 義憲(東京学芸大学), 柳本, 昭人(東京学芸大学), 野寺, 和彦(東京学芸大学大学院健康･生涯スポーツサブコース), MIYAZAKI, Yoshinori(Tokyo Gakugei University,Department of Health and Sport Science), YANAGIMOTO, Akihito(Tokyo Gakugei University,Department of Health and Sport Science), and NODERA, Kazuhiko(Tokyo Gakugei University,Department of Health and Sport Science)

Published
2007

95. 大学男子スポーツ選手における多周波インピーダンス法による推定筋量と形態周径囲および筋力との相関について

Author

宮崎, 義憲, 柳本, 昭人, ミヤザキ, ヨシノリ, ヤナギモト, アキヒト, MIYAZAKI, Yoshinori, YANAGIMOTO, Akihito, 宮崎, 義憲(東京学芸大学), 柳本, 昭人(東京学芸大学), MIYAZAKI, Yoshinori(Tokyo Gakugei University Department of Health and Sport Science), YANAGIMOTO, Akihito(Tokyo Gakugei University Department of Health and Sport Science), 宮崎, 義憲, 柳本, 昭人, ミヤザキ, ヨシノリ, ヤナギモト, アキヒト, MIYAZAKI, Yoshinori, YANAGIMOTO, Akihito, 宮崎, 義憲(東京学芸大学), 柳本, 昭人(東京学芸大学), MIYAZAKI, Yoshinori(Tokyo Gakugei University Department of Health and Sport Science), and YANAGIMOTO, Akihito(Tokyo Gakugei University Department of Health and Sport Science)

Published
2006

97. 児童における着地衝撃緩衝能の発達について

Author

Miyazaki, Yoshinori, Seki, Kazuhiko, Wang, Wei, Miyazaki, Yoshinori(Department of Health and Physical Education, Tokyo Gakugei University), Seki, Kazuhiko(International Budo University), and Wang, Wei(Research Student of International Budo University)

Published
1990

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