Studies on quality standard of PsL 5F injections ROS is not involved in induction of cell death by Ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid in HepG2 cells Effeet of a diterpenoid 5F from Pteris semipinnata on expression of NF-κB(P65),Smad3 protein and NF-κB(P65),ETS-1 mRNA in highly metastatic ovarian carcinoma H0-8910PM cells Effect of 5F from Pteris semipinnata on expression of Nr1d1 in  HO-8910PM cell line Apoptosis in HepG2 cells induced by Pteris semipinnata extract 5Finvolves p53 activation and VEGF inhibition