G1 phase cell cycle checkpoint Humans 3 human 3 Antineoplastic Agents 2 Apoptosis 2 Article 2 Cell Line, Tumor 2 antineoplastic agent 2 apoptosis 2 cell proliferation 2 cell viability 2 controlled study 2 drug effect 2 flow cytometry 2 human cell 2 tumor cell line 2 3T3 Cells 1 3T3 cell line 1 Acanthaceae 1 Animals 1 Antigens, Viral, Tumor 1 Apoptotic activity 1 CD56 antigen 1 Cancer hallmarks 1 Carcinogenesis 1 Carcinoma, Merkel Cell 1 Carcinoma, Squamous Cell 1 Cell Cycle Checkpoints 1 Cell Proliferation 1 Cell Survival 1