MTT assay, DAPI staining,flow cytometry and RT-PCR were used to furtier investigate the mechanisms of Compound 909 on inhibiting the apoptosis of the PC12 cells injured by QA.

• 运用MTT法、DAPI染色法、流式细胞仪和RT-PCR法研究药物抑制PC12细胞凋亡的作用及其机制。