Figure 6. Icariin inhibits apoptosis of hMSC cells in vitro. (A) The cellular morphology of hMSCs; (B) CCK-8 proliferation assay of icariin-treated hMSCs; (C) Bcl-2 and Bax gene expression in icariin-treated hMSCs measured by qRT-PCR; (D, E) Apoptosis assessed by flow cytometry.