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We examined 188 men who had undergone vasectomy up to 6 years previously and, for comparative purposes, 100 men who were about to undergo the operation. Blood specimens were available from a total of 283 men. Sperm antibody assays using immunofluorescence, microagglutination, and microimmobilization confirmed that the prevalance of several types of antibody is higher after vasectomy. Immobilizing and agglutinating antibodies appeared to be the most important. Trends in antibody prevalence according to the time after the operation were analyzed. Screening against lymphocytes and lymphoid lines showed that the anti-sperm activity of era was not related to anti-HLA or anti-Ia activity. Associations were examined between different types of sperm antibody, and between these antibodies and autoantibodies to other antigens. When antibody prevalence was studied in relation to HLA types, the HLA antigen A28 was found to be strongly associated with production of head agglutinating antibody (and immobilizing and immunofluorescent equatorial antibodies) after vasectomy. This is one of the first clear-cut examples of antibody production associated with the HLA system.

Type

Journal article

Journal

Tissue Antigens

Publication Date

08/1979

Volume

14

Pages

115 - 139

Keywords

Antibodies, Antibodies--analysis, Autoimmune Response, Biology, Comparative Studies, Developed Countries, England, Epidemiologic Methods, Europe, Family Planning, Genitalia, Germ Cells, Immunity, Immunologic Factors, Male Sterilization, Male Sterilization--complications, Male Urologic Surgery, Northern Europe, Physiology, Research Methodology, Spermatozoa, Sterilization, Sexual, Studies, United Kingdom, Urogenital System, Vasectomy--complications, Acrosome, Adult, Age Factors, Agglutination Tests, Antibodies, Antibodies, Antinuclear, Antibody Formation, Autoantibodies, Cytotoxicity, Immunologic, Fluorescent Antibody Technique, HLA Antigens, Humans, Lymphocytes, Male, Sperm Tail, Spermatozoa, Vasectomy