this lytic activity is mediated by cytolytic t lymphocytes ( ctl ) , since cytotoxicity is eliminated by treatment of the effector cells with anti-thy 1.2 ( theta ) serum plus complement but is enhanced or unaffected by anti-thy 1.2 serum alone , antimouse immunoglobulin plus complement , normal or aggregated mouse immunoglobulin , or removal of adherent cells .
C0009498
complement
C0009505
2