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THE OCCURRENCE OF LYMPHOCYTE ANTIGENS ON BOAR SPERMATOZOA

F. JÍLEK and L. VESELSK

As on other cell types, some histocompatibility antigens have recently been found on spermatozoa. Vojtíková (1969), and Vojtíková, Poláková & Pokorná (1969) revealed the presence of some H-2 antigens on mouse spermatozoa by using antibody absorption, indirect immunofluorescence and pre-sensitization of recipients with sperm cells to specific skin grafts. Similarly, Goldberg, Aoki, Boyse & Bennett (1970) demonstrated the presence of H-2 antigens and later of H-Y antigen (Goldberg, Boyse, Bennett, Scheid & Carswell, 1971) on mouse spermatozoa by means of a cytotoxic test applied to the spermatozoa. Fellous & Dausset (1970) have published similar results concerning the detection of HL-A antigens on human spermatozoa. Singal, Berry & Naipaul (1971), however, detected HL-A substances in seminal plasma. These antigens on spermatozoa may, therefore, be a phenotypic demonstration of the