Apoptosis Article 6 apoptosis 6 cell proliferation controlled study 6 human 6 Humans 5 unclassified drug 5 Cell Proliferation 4 drug effect 4 human cell 4 pathology 4 protein expression 4 Cell Line, Tumor 3 Western blotting 3 cell viability 3 chemistry 3 flow cytometry 3 genetics 3 metabolism 3 tumor cell line 3 Cell Cycle 2 MTT assay 2 Plant Extracts 2 antineoplastic agent 2 cell cycle 2 cell cycle arrest 2 cell migration 2 clinical article 2 colony formation 2