Effects and mechanisms of total flavonoids of Astragali Radix and calycosin on inhibiting human erythroleukemia cell line K562 Inhibition of glycyrrhetic acid on proliferation in K562 cells and its mechanism Inhibition of polyporus polysaccharide on proliferation of A549 cells by adjusting Cyclin D1 expression by HuR Neuro-protective effects and mechanism of Terminalia chebula extract HZ4 on cerebral infarction models Protective effect and mechanism of astragaloside IV on oxidative stress injury of mesangial cells Mechanism of Podophyllotoxin rheinate (RH-01) on human osteoma sarcomatosum cells growth Effect of extracts of Ligusticum chuanxiong and Angelica sinensis on MAPK pathway and cycle proteins in vascular smooth muscle cells Effects of cinnamyl aldehyde on cell cycle and relafeol proteinsexpression in NIH3T3 cells