For analysis, tissue was homogenized and lysed in RIPA buffer (1× PBS, 1% Nonidet P-40, 0.5% sodium deoxycholate, and 1% SDS) with 10% glycerol and Complete Protease Inhibitor, (Roche Diagnostics Corporation, Indianapolis, Indiana, United States), 1 mM of phenylmethylsulfonylfluoride, and 1 mM of sodium orthovanadate.