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Obesity Pathogenesis

Expression of agouti-related protein mRNA down-regulated in obese mice

Published in Obesity and Diabetes Week, September 6th, 2004

Expression of agouti-related protein (AGRP) mRNA is down-regulated in the hypothalamic arcuate nucleus of hyperphagic and obese tub/tub mice.

According to recent research published in the journal Molecular Brain Research, "A mutation in the mouse tub gene causes a phenotype characterized by maturity-onset obesity, blindness and deafness. The role of the intact tubby protein and the pathogenesis resulting in the phenotype of tub/tub mice remain largely unknown. In this study, we have investigated whether obese tub/tub mice exhibit altered expression levels for agouti-related protein (AGRP) or glutamic acid decarboxylase-65 (GAD65) in body weight-regulating neurons...

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