title: Clonal growth of normal and malignant human breast epithelia.
abstract: We have developed an efficient method for the growth of colonies from single breast epithelial cells derived from nonmalignant [6], primary [7], and metastatic [1] surgical specimens. The immediate sources of the cells were primary and secondary mass cultures. An enriched culture medium and fibroblast feeder layers were used. A linear relationship between the number of cells cultured and the number of colonies obtained was found. Efficiency of colony formation was higher for those derived from nonmalignant specimens (mean 24%) than those derived from malignant specimens (mean 11%). Fibroblast feeder layers increased the efficiency of colony formation and also supported extended growth of colonies.
mesh_terms: D001940:Breast / Q000166:cytology*; D001943:Breast Neoplasms / Q000473:pathology*; D002452:Cell Count; D002478:Cells, Cultured; D002999:Clone Cells; D003470:Culture Media; D004847:Epithelial Cells; D005260:Female; D005347:Fibroblasts; D006801:Humans; D066298:In Vitro Techniques
chemical_list: D003470:Culture Media