the combination of immunohistochemistry and autoradiography on sections of human reduction mammoplasty organoids cultured in collagen gels and labelled with tritiated thymidine revealed a lack of hla-dr expression on proliferating breast epithelial cells suggesting factors other than cell kinetics must be responsible for induction of hla-dr antigens seen in pregnant and lactating breast epithelium and some tumours .
C0086418
human
C0019764
hla-dr antigens