Leptin Studies
LRb-STAT3 signaling required for regulation of energy expenditure
Published in Obesity and Diabetes Week, February 14th, 2005
"Secretion of leptin from adipose tissue communicates body energy status to the neuroendocrine system by activating the long form of the leptin receptor (LRb). Lack of leptin or LRb (as in db/db mice) results in obesity that stems from the combined effects of hyperphagia and decreased energy expenditure. We have previously generated mice in which LRb is replaced with a mutant LRb (LRbS1138) that specifically disrupts LRb-->STAT3 (signal transducer and activator of transcription-3) signaling; mice homozygous for this mutant (s/s) display increased feeding and...
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