Article
Activation of acid sphingomyelinase by protein kinase Cdelta-mediated phosphorylation.
The Journal of biological chemistry - 13 Apr 2007
Zeidan Youssef H, Hannun Yusuf A
Abstract excerpt
Although important for cellular stress signaling pathways, the molecular mechanisms of acid sphingomyelinase (ASMase) activation remain poorly understood. Previous studies showed that treatment of MCF-7 mammary carcinoma cells with the potent protein kinase C (PKC) agonist, phorbol 12-myristate 13-acetate (PMA), induces a transient drop in sphingomyelin concomitant with an increase in cellular ceramide levels...
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