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Metabolism. 2005 Jun;54(6):781-5.

Glucose transport is equally sensitive to insulin stimulation, but basal and insulin-stimulated transport is higher, in human omental compared with subcutaneous adipocytes.

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Department of Cell Biology and Diabetes Research Centre, University of Linköping, SE58185 Linköping, Sweden.


Excess visceral fat has been found to correlate more closely with morbidity than subcutaneous fat. We found that isolated adipocytes from omental fat of nondiabetic women expressed significantly more of the insulin-regulated glucose transporter glucose transporter 4 protein and exhibited a higher basal and insulin-stimulated rate of glucose transport, at all concentrations of insulin, than subcutaneous adipocytes from the same individuals. In contrast, dose-response relationships for insulin stimulation of glucose transport demonstrated identical sensitivity to insulin in adipocytes from the 2 locations. The results demonstrate that there is no relative insulin resistance to stimulate glucose uptake in visceral compared with subcutaneous fat cells.

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