Analysis of mammosomatotropic cells in normal and neoplastic human pituitaries.


The reverse hemolytic plaque assay (RHPA) was used to analyze hormone secretion in normal and neoplastic human pituitary cells. Immunocytochemical (ICC) staining for PRL and GH with the peroxidase method and ultrastructural ICC with colloidal gold labeling were used along with the RHPA to analyze for mammosomatotropic (MS) cells in these dissociated and… (More)