Article
Protein kinase C beta and prolyl isomerase 1 regulate mitochondrial effects of the life-span determinant p66Shc.
Science (New York, N.Y.) - 2 Feb 2007
Pinton Paolo, Rimessi Alessandro, Marchi Saverio, Orsini Francesca, Migliaccio Enrica, Giorgio Marco, Contursi Cristina, Minucci Saverio, Mantovani Fiamma, Wieckowski Mariusz R, Del Sal Giannino, Pelicci Pier Giuseppe, Rizzuto Rosario
Abstract excerpt
The 66-kilodalton isoform of the growth factor adapter Shc (p66Shc) translates oxidative damage into cell death by acting as reactive oxygen species (ROS) producer within mitochondria. However, the signaling link between cellular stress and mitochondrial proapoptotic activity of p66Shc was not known. We demonstrate that protein kinase C beta, activated by oxidative conditions in the cell, induces phosphorylation...
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