Title : alpha-MSH activates immediate defense responses to UV-induced oxidative stress in human melanocytes.

Pub. Date : 2009 Dec

PMID : 19659742






2 Functional Relationships(s)
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1 Pretreatment of melanocytes with alpha-melanocortin (alpha-MSH) reduced the UV-induced generation of 7,8-dihydro-8-oxyguanine (8-oxodG), a major form of oxidative DNA damage. 8-ohdg proopiomelanocortin Homo sapiens
2 The effect of alpha-MSH on 8-oxodG induction was mediated by activation of the melanocortin 1 receptor (MC1R), as it was absent in melanocytes expressing loss-of-function MC1R, and blocked by concomitant treatment with an analog of agouti signaling protein (ASIP), ASIP-YY. 8-ohdg proopiomelanocortin Homo sapiens