Colony-Forming Units Assay Humans 8 article 8 controlled study 8 priority journal 8 human 6 Bone Marrow Cells 4 Cell Proliferation 4 Culture Media, Conditioned 4 DNA Repair 4 DNA damage 4 DNA repair 4 Fibroblasts 4 Immunoprecipitation 4 Lung Neoplasms 4 Stem Cells 4 cell proliferation 4 clonogenic assay 4 human cell 4 Animals 2 Apoptosis 2 Basic Helix-Loop-Helix Transcription Factors 2 Blotting, Northern 2 Blotting, Western 2 Bone marrow fibroblast 2 Bovinae 2 Breast Neoplasms 2 Carcinoma, Non-Small-Cell Lung 2 Case-Control Studies 2 Cell Line 2