PMID: 7231218Jan 1, 1981Paper

Close association of virus-specific cell surface and H-2 antigens in Ad12-infected and -transformed mouse cells

Microbiology and Immunology
Y Maeta, C Hamada

Abstract

A virus-specific cell surface (S) antigen in adenovirus type 12 (Ad12)-transformed mouse cells has been assumed to be a direct target for cytotoxic thymus derived lymphocytes (CTL). In this study, the spatial proximity between the S and H-2 antigens was determined by three different methods, the proximity and co-capping tests, and the test for blocking of CTL-mediated lysis by anti-H-2 serum. In the proximity test with Ad12-infected thymic and splenic lymphocytes, and an Ad12-transformed line of C3H-He (H-2k) mouse cells, anti-H-2k and anti-S sera reciprocally inhibited fluorescent-antibody staining of the opposite antigens. By contrast, anti-Thy-1, 2 serum as well as anti-Ia and anti-Ig sera failed to show any appreciable effect in this test, when paired with anti-S serum. In addition, the S and H-2 antigens co-capped in the infected thymic lymphocytes, and CTL-mediated lysis of the transformed cells was abrogated equally by treatment of cells with anti-S and anti-H-2 sera. These results clearly demonstrate that there is a close proximity between the S and H-2 antigens on the surface of Ad12-infected and -transformed mouse cells.

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Citations

Jan 1, 1982·Microbiology and Immunology·Y MaetaC Hamada
Dec 1, 1999·The Journal of Experimental Zoology·T H Waterman

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