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Metabolism. 2004 Mar;53(3):280-3.

Plasma adiponectin concentrations do not increase in association with moderate weight loss in insulin-resistant, obese women.

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Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.


Plasma adiponectin concentrations were measured before and after moderate weight loss in 20 obese women, divided at baseline into insulin-resistant (IR) and insulin-sensitive (IS) subgroups on the basis of their steady-state plasma glucose (SSPG) concentration at the end of a 180-minute infusion of octreotide, glucose, and insulin. The groups were similar in age and body weight and lost comparable amounts of weight (8 to 9 kg) during the weight loss period. Fasting plasma insulin and SSPG concentrations were significantly higher (P <.001) and adiponectin concentrations somewhat lower (P =.10) in the IR group (P <.001) at baseline. Both SSPG and plasma insulin concentrations decreased in IR subjects (P <.001), but did not change in IS individuals. Adiponectin concentrations did not change with weight loss in either group. Thus, neither weight loss, per se, nor enhanced insulin sensitivity resulted in a change in plasma adiponectin concentrations.

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