Article
Transient versus sustained phosphorylation and nuclear accumulation of ERKs underlie anti-versus pro-apoptotic effects of estrogens.
The Journal of biological chemistry - 11 Feb 2005
Chen Jin-Ran, Plotkin Lilian I, Aguirre José Ignacio, Han Li, Jilka Robert L, Kousteni Stavroula, Bellido Teresita, Manolagas Stavros C
Abstract excerpt
Sex steroids exert anti-apoptotic effects on osteoblasts/osteocytes but exert pro-apoptotic effects on osteoclasts, in both cases requiring activation of the extracellular signal-regulated kinases (ERKs). To explain the mechanistic basis of this divergence, we searched for differences in the kinetics of phosphorylation and/or in the subcellular localization of ERKs in response to 17beta-estradiol in the two cell...
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