HLA-A, B, C and DR alloantigen expression on forty-six cultured human tumor cell lines

Journal of the National Cancer Institute
M S PollackJ Fogh

Abstract

Forty-six cultured cell lines of diverse human tumor origins, including 25 melanoma cell lines, were HLA allotyped with the use of a modified eosin complement-dependent cytotoxicity test in combination with absorption and two-color fluorescence techniques. In 10 cases (1 renal cell carcinoma line and 9 melanoma cell lines), the cell line donors had been HLA typed a few years before the cell line-typing project had started and in 13 cases (1 renal cell carcinoma line and 12 melanoma cell lines), the cell line donors were currently available for comparative typing of lymphocytes. HLA-typing results suggested that most cell lines expressed genetically appropriate HLA antigens, although 1 cell line had more than two HLA antigens for one HLA locus and 2 cell lines lacked expression of one or more HLA antigens in comparison with donor typing. One hepatoma cell line, 1 of 2 of the bladder carcinoma cell lines tested, and 17 of the 25 melanoma cell lines expressed DR alloantigens in addition to their HLA-A, B, and C locus antigens. For 9 of the melanoma cell lines, comparisons with donor DR alloantigens could be made, and all these cell lines had exactly the same DR allospecificities as those found on donor B-lymphocytes. HLA typing of...Continue Reading

Citations

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