单词 | adiponectin |
释义 | adiponectinad·i·po·nec·tinA5091800 (ăd′ə-pə-nĕk′tĭn)adiponectinad·i·po·nec·tin(ad'i-pō-nek'tin),adiponectin(ăd′ə-pə-nĕk′tĭn)AdiponectinA circulating protein encoded by ADIPOQ on chromosome 3q27, which is secreted exclusively by mature adipocytes. It is a key adipokine in the control of fat metabolism and insulin sensitivity, and has direct anti-diabetic, anti-atherogenic and anti-inflammatory activities. It stimulates AMPK phosphorylation and activation in the liver and skeletal muscle, enhancing glucose utilisation and fatty acid hydrolysis. It antagonises TNF-alpha by down-regulating its expression in the liver, macrophages and elsewhere, and by counteracting its direct effects. It inhibits endothelial NF-kappa-B signalling by a cAMP-dependent pathway. It may play a role in cell growth, angiogenesis and tissue remodelling by binding and sequestering various growth factors with distinct binding affinities, depending on complex size—low, medium, or high molecular weight.ad·i·po·nec·tin(ad'i-pō-nek'tin)adiponectinA cytokine derived from adipose tissue that has antidiabetic and antiatherosclerotic properties. |
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