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Schematic diagram showing the proposed apoptotic signaling pathways triggered by PP7 in HepG2 cells. PP7 treatment leads to the activation of MAPK (JNK, ERK, and p38) and PTEN/p53 signaling pathways, followed by upregulation of pro-apoptotic proteins and downregulation of anti-apoptotic protein, and eventually causes apoptosis in HepG2 cells
