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. Author manuscript; available in PMC: 2016 Jan 4.
Published in final edited form as: Mol Pharmacol. 2008 Jul 24;74(4):1022–1032. doi: 10.1124/mol.108.046250

Fig. 4.

Fig. 4

PKC does not regulate in vitro nSMase2 activity in A549 cells. A, A549 cells with (■) and without (○) nSMase2 overexpression were stimulated with PMA (100 nM) for 0 to 60 min (*, P < 0.05, n = 5). B, A549 cells were transfected with negative control (Scr), PKC-δ or -ε siRNA (20 nM) for 48 to 60 h before stimulation with TNF for 5 min (*, P < 0.05, n = 4). In vitro N-SMase activity was measured as described under Materials and Methods.