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. 2011 Apr 27;286(25):22609–22621. doi: 10.1074/jbc.M110.203885

FIGURE 6.

FIGURE 6.

PKCα is phosphorylated on serine 657 in response to AVP stimulation and is required for differentiation. A, the levels of phospho-Ser-657-PKCα were evaluated by Western blotting in L6 cells stimulated for different times by AVP. B, shown are the effects on AVP-induced PKCα phosphorylation of mTORC2 down-regulation induced by Rictor-siRNA (left panel) or 24 h of 100 nm rapamycin (rapa) treatment, or 40 min of treatment by mTOR inhibitor PP242 at 250 nm (right panel). C, phosphorylation of PKCα on Ser-657 was evaluated in cells overexpressing or not S6K1. D, the effects of siRNA-mediated PKCα depletion on myogenin protein expression were evaluated in AVP-stimulated L6 cells by Western blotting. The control of PKCα silencing efficiency is shown. *, significantly different from control cells, p < 0.05. NT, not transfected.