Declining ß-Cell Compensation for Insulin Resistance in Hispanic Women With Recent Gestational Diabetes Mellitus Association with changes in weight, adiponectin, and C-reactive protein  

Oleh:

Xiang, Anny H. ; Kawakubo, Miwa

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 33 no. 02 (Feb. 2010), page 396-401.
Topik: DIABETES; DIABETES MELLITUS; ß-Cell; Insulin; Hispanic Women; Gestational Diabetes Mellitus; adiponectin; C-reactive protein

Ketersediaan

Perpustakaan FK Nomor Panggil: D05.K.2010.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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OBJECTIVE : To identify factors associated with declining ß-cell compensation for insulin resistance. RESEARCH DESIGN AND METHODS : In a cohort of Hispanic women with recent gestational diabetes mellitus, oral glucose tolerance tests (OGTTs), intravenous glucose tolerance tests (IVGTTs), and bioelectrical impedance measurements were performed at 15-month intervals for up to 5 years, or until fasting plasma glucose exceeded 140 mg/dl (7.8 mmol/l). Data were analyzed to identify predictors of declining ß-cell compensation for insulin resistance (the disposition index [DI]) and to examine the mechanism of weight gain and changes in circulating levels of selected adipokines and inflammatory markers on ß-cell compensation decline. RESULTS : A total of 60 nondiabetic women had a median of four sets of OGTT + IVGTT during a median follow-up of 52 months. Fourteen of the women developed diabetes. None of the baseline characteristics were significantly predictive of a decline in DI. There were significant univariate associations between declining DI and weight gain (specifically fat gain), declining adiponectin and rising C-reactive protein. Multivariate analysis showed that the weight gain was the most significant factor associated with declining DI. The amount of association between weight gain and declining DI was explained 31% by changes in adiponectin and C-reactive protein and 40% by changes in insulin resistance. CONCLUSIONS : These results identify weight gain as the strongest factor associated with declining ß-cell compensation for insulin resistance in Hispanic women at high risk for type 2 diabetes. Such effect may be mediated through at least two effects: alterations in adipokine levels and increasing insulin resistance.

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