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  • Title: No Correlation of Pancreatic Fat and β-Cell Function in Young Women With and Without a History of Gestational Diabetes.
    Author: Popp D, Aertsen S, Luetke-Daldrup C, Coppenrath E, Hetterich H, Saam T, Rottenkolber M, Seissler J, Lechner A, Sommer NN.
    Journal: J Clin Endocrinol Metab; 2018 Sep 01; 103(9):3260-3266. PubMed ID: 29947782.
    Abstract:
    CONTEXT: Pancreatic steatosis may contribute to β-cell dysfunction in type 2 diabetes (T2D), but data are controversial. Women who had gestational diabetes mellitus (GDM) are at high risk for developing T2D. OBJECTIVE: To examine the association of pancreatic fat content with early/first-phase insulin secretion (as markers of β-cell function). DESIGN: Cross-sectional analysis of a subcohort of the monocentric, prospective cohort study titled Prediction, Prevention, and Subclassification of Type 2 Diabetes. SETTING: Ludwig Maximilians University Hospital, Munich, Germany. PARTICIPANTS: Ninety-seven women, 3 to 16 months after pregnancy [41 normoglycemic women post-GDM, 19 women post-GDM with pathological glucose metabolism, and 37 normoglycemic women after a normoglycemic pregnancy (controls)]. MAIN OUTCOME MEASURES: Correlation of MRI-measured pancreatic fat content with early insulin release in an oral glucose tolerance test (OGGT) [insulin increment within the first 30 minutes of the OGTT (IR30)] and first-phase insulin response (FPIR) in an intravenous glucose tolerance test (n = 65), both adjusted for insulin sensitivity index (ISI). RESULTS: Pancreatic fat content did not correlate with IR30 and FPIR adjusted for ISI. It correlated positively with body mass index, waist circumference, liver fat, and intraabdominal fat volume. CONCLUSION: Pancreatic fat content does not correlate with β-cell function in a cohort of young women with different degrees of T2D risk.
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