clonogenesis controlled study 8 Humans 6 article 6 human 6 nonhuman 6 Animals 4 Blotting, Northern 4 Cell Line 4 Cricetinae 4 DNA Damage 4 DNA damage 4 animal cell 4 cell line 4 cell survival 4 human cell 4 male 4 protein expression 4 unclassified drug 4 Adult 2 Amyloid beta-Protein 2 Antigens, Surface 2 Antineoplastic Agents 2 Apoptosis 2 Article 2 Benzo[a]phenazine 7,12-dioxides 2 Bioreductive agents 2 CACO 2 cell line 2 CD133 antigen 2 Caco-2 Cells 2