at culture initiation , pleural exudative lymphocytes ( plel ) already demonstrated a high cytotoxic activity against uncloned hmc-1 breast tumor cell targets but not against autologous fibroblasts and k562 targets , and phenotypically these cells showed 100 and 90 % reactivity with okt3 and okt8 monoclonal antibodies , respectively .
C0016030
fibroblasts
C0007634
cells