putative prothymocytes ( rfb-1+ , hta-1+/- large blast-like cells ) , medium and high density cortical thymocytes ( rfb-1+ , hta-1+ ) , and medullary thymocytes ( rfb-1- , hta-1- , okt3+ ) were isolated by density gradient centrifugation , monoclonal antibody and complement-mediated cytolysis , and cell-antibody affinity chromatography .
C1536403
cytolysis
C0007634
cell