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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

11-beta Hydroxysteroid dehydrogenase type 2 expression in white adipose tissue is strongly correlated with adiposity.

Glucocorticoid action within the cells is regulated by the levels of glucocorticoid receptor ( GR) expression and two enzymes, 11-beta hydroxysteroid dehydrogenase type 1 (11betaHSD1), which converts inactive to active glucocorticoids, and 11-beta hydroxysteroid dehydrogenase type 2 (11betaHSD2), which regulates the access of active glucocorticoids to the receptor by converting cortisol/corticosterone to the glucocorticoid-inactive form cortisone/dehydrocorticosterone. Male Wistar rats developed obesity by being fed a high-fat diet for 56 days, and GR, 11betaHSD1 and 11betaHSD2 gene expression were compared with control-diet fed animals. Gene expression analysis of 11betaHSD1, 11betaHSD2 and GR were performed by RT-PCR in subcutaneous and retroperitoneal adipose tissue. High-fat fed animals overexpressed 11betaHSD2 in subcutaneous but not in retroperitoneal fat. Interestingly, mRNA levels strongly correlated in both tissues with different parameters related to obesity, such as body weight, adiposity and insulin resistance, suggesting that this gene is a reliable marker of adiposity in this rat model of obesity. Thus, 11betaHSD2 is expressed in adipose tissue by both adipocytes and stromal-vascular cells, which suggests that this enzyme may play an important role in preventing fat accumulation in adipose tissue.[1]


  1. 11-beta Hydroxysteroid dehydrogenase type 2 expression in white adipose tissue is strongly correlated with adiposity. Milagro, F.I., Campión, J., Martínez, J.A. J. Steroid Biochem. Mol. Biol. (2007) [Pubmed]
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