Cardiovascular diabetology · 2017
Westernization of lifestyle affects quantitative and qualitative changes in adiponectin.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Kubota Mitsunobu, Yoneda Masayasu, Maeda Norikazu, Ohno Haruya, Oki Kenji, Funahashi Tohru, Shimomura Iichiro, Hattori Noboru
Аннотация
BACKGROUND: Although Japanese-Americans and native Japanese share the same genetic predispositions, they live different lifestyles, resulting in insulin resistance in Japanese-Americans. We investigated whether the quantitative and qualitative changes in adiponectin (APN) due to differences in lifestyle contribute to the development of insulin resistance.
METHODS: We evaluated 325 native Japanese in Hiroshima, Japan and 304 Japanese-Americans in Los Angeles, the United States, who were aged between 30 and 70 years and underwent medical examinations between 2009 and 2010. All participants underwent a 75-g oral glucose tolerance test (OGTT) to assess their glucose tolerance. The insulin response to oral glucose load, the Matsuda index, total APN levels, and C1q-APN/total-APN ratios were compared between native Japanese and Japanese-Americans.
RESULTS: Compared with the native Japanese, the Japanese-Americans had significantly lower Matsuda index and higher area under the curve values for serum insulin concentration during OGTT in the normal glucose tolerance (NGT) and impaired glucose tolerance (IGT) groups, but not in the diabetes mellitus (DM) group. Furthermore, the Japanese-Americans had significantly lower total APN levels and higher C1q-APN/total-APN ratios than the native Japanese in the NGT and IGT groups, but not in the DM group.
CONCLUSIONS: This study suggested that, in Japanese people, the westernization of their lifestyle might affect quantitative and qualitative changes in APN and induce insulin resistance.
METHODS: We evaluated 325 native Japanese in Hiroshima, Japan and 304 Japanese-Americans in Los Angeles, the United States, who were aged between 30 and 70 years and underwent medical examinations between 2009 and 2010. All participants underwent a 75-g oral glucose tolerance test (OGTT) to assess their glucose tolerance. The insulin response to oral glucose load, the Matsuda index, total APN levels, and C1q-APN/total-APN ratios were compared between native Japanese and Japanese-Americans.
RESULTS: Compared with the native Japanese, the Japanese-Americans had significantly lower Matsuda index and higher area under the curve values for serum insulin concentration during OGTT in the normal glucose tolerance (NGT) and impaired glucose tolerance (IGT) groups, but not in the diabetes mellitus (DM) group. Furthermore, the Japanese-Americans had significantly lower total APN levels and higher C1q-APN/total-APN ratios than the native Japanese in the NGT and IGT groups, but not in the DM group.
CONCLUSIONS: This study suggested that, in Japanese people, the westernization of their lifestyle might affect quantitative and qualitative changes in APN and induce insulin resistance.