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자료유형
학술저널
저자정보
김준영 (Department of Exercise Science David B. Falk College of Sport and Human Dynamics Syracuse Univers) Hala Tfayli (Department of Pediatrics and Adolescent Medicine American University of Beirut Medical Center Beiru) Fida Bacha (Children's Nutrition Research Center Baylor College of Medicine Houston TX USA) Silva Arslanian (Center for Pediatric Research in Obesity and Metabolism UPMC Children's Hospital of Pittsburgh Pitt) 김준영 (Department of Exercise Science David B. Falk College of Sport and Human Dynamics Syracuse Univers)
저널정보
대한비만학회 Journal of Obesity & Metabolic Syndrome Journal of Obesity & Metabolic Syndrome Vol.30 No.2
발행연도
2021.1
수록면
178 - 183 (6page)

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Background: The oral glucose tolerance test (OGTT)-glucose response curves (GRCs; incessant increase, monophasic, and biphasic) reflect insulin sensitivity and β-cell function, being worse in the former and superior in the latter. Here, we examined if the OGTT-GRC pattern is worse in obese antibody (glutamic acid decarboxylase 65-kDa [GAD65] and insulinoma-associated protein-2 [IA-2])-positive (Ab+) vs. –negative (Ab–) youth clinically diagnosed with type 2 diabetes (CDX-T2D). Methods: Forty-seven obese youth, 15 Ab+ and 32 Ab–, were divided into three OGTT-GRC groups: incessant increase, monophasic, and biphasic. The prevalence of OGTT-GRC, clamp-measured insulin sensitivity, and β-cell function was compared. Results: Incessant increase OGTT-GRC is the most frequent curve type and is three-fold higher in Ab+ vs. Ab– youth CDX-T2D. In Ab+ youth, there was up to 40% lower second-phase insulin secretion in the incessant increase group vs. the other two groups combined (monophasic and biphasic). In Ab– youth, while first- and second-phase insulin secretion was significantly lower in the incessant increase vs. the other two groups combined, overall β-cell function was less impaired than in Ab+ youth. In neither Ab– or Ab+ youth was OGTT-GRC related to hepatic or peripheral insulin sensitivity. Conclusion: Severe insulin deficiency, a characteristic of type 1 diabetes, seems to be related to higher prevalence of incessant increase in Ab+ vs. Ab– obese youth.

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