Figure 4.
Effects of P-A, podophyllotoxin (PPT) and the all-trans-retinoic acid (ATRA) on the cell cycle of MKN-45 and BGC-823 cells. Cells were incubated with 1% DMSO, P-A (0.5 μM), PPT (0.05 μM) or ATRA (100 μM) for 48 h.
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