Title : Receptor-mediated suppression of cardiac heat-shock protein 72 expression by testosterone in male rat heart.

Pub. Date : 2007 Jul

PMID : 17395695






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1 Receptor-mediated suppression of cardiac heat-shock protein 72 expression by testosterone in male rat heart. Testosterone heat shock protein family A (Hsp70) member 1A Rattus norvegicus
2 The impact of testosterone on cardiac expression of heat-shock protein 72 (HSP72) remains to be elucidated. Testosterone heat shock protein family A (Hsp70) member 1A Rattus norvegicus
3 The impact of testosterone on cardiac expression of heat-shock protein 72 (HSP72) remains to be elucidated. Testosterone heat shock protein family A (Hsp70) member 1A Rattus norvegicus
4 We observed the following: 1) Exogenous testosterone suppressed HT-induced HSP72 expression, but castration alone had no influence. Testosterone heat shock protein family A (Hsp70) member 1A Rattus norvegicus
5 3) HT-induced HSP72 expression in cultured cardiomyocytes was suppressed by testosterone. Testosterone heat shock protein family A (Hsp70) member 1A Rattus norvegicus
6 5) Flutamide, a testosterone receptor blocker, cancelled the suppressive effects of testosterone on HSP72 expression. Testosterone heat shock protein family A (Hsp70) member 1A Rattus norvegicus
7 Our results indicate that testosterone potentially has inhibitory effects on cardiac HSP72 expression by modulating transcription, through testosterone receptor-mediated genomic mechanisms. Testosterone heat shock protein family A (Hsp70) member 1A Rattus norvegicus