Figure 4.
BFD and MBFD inhibit APE1 mRNA expression in H1975 and H292 cells. (A) PCR and (B) quantitative PCR analysis of the mRNA expression levels of APE1. *P<0.05 vs. the control group. APE1, apurinic/apyrimidinic endonuclease 1; BFD, Bu-Fei decoction; MBFD, modified BFD; PCR, polymerase chain reaction.