Characterization of Monoclonal Antibodies to Human Melanoma-Associated Antigens234

Abstract
The hybridomas #165.28T, #376.74T, #473.54S, and #653.25N derived from the fusion of myeloma cells with splenocytes from mice immunized with cultured human melanoma cells secreted monoclonal antibodies recognizing antigenic determinants maximally expressed on cultured human melanoma cells and freshly explanted melanoma cells. Monoclonal antibody #376.74T reacted also with carcinoma cell lines but with a significantly lower titer. Rosette inhibition assay showed that these antigenic determinants were expressed on antigenic structures, which are not associated withβ2 microglobulin and histocompatibility antigens. Two monoclonal antibodies recognized the same or closely associated antigenic determinants, and the remaining two monoclonal antibodies reacted with distinct antigenic determinants. All four monoclonal antibodies could mediate antibody-dependent cellular cytotoxicity of cultured melanoma cells, but none could mediate complement-dependent cytotoxicity.

This publication has 14 references indexed in Scilit: