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Prevention of autoimmunization to spermatozoa by passive antibody
Abstract:
The objective of this investigation was to determine if sperm antibody formation after vasectomy in guinea pigs can be inhibited by passive administration of antiserum to spermatozoa. Sperm antibody was obtained by bleeding vasectomized guinea pigs which had sperm-agglutinating antibody titers of 1 : 16 or higher. Gamma globulin was obtained by ammonium sulfate precipitation. Vasectomized guinea pigs were injected with immune gamma globulin and normal gamma globulin for a period of two weeks after vasectomy. In the group receiving normal gamma globulin the serum titer of sperm-agglutinating antibody reached 1 : 32 and remained at that level for duration of the study. In guinea pigs receiving immune gamma globulin detectable serum titers of sperm-agglutinating antibody did not develop. The investigation suggests that sperm antibody formation can be prevented by treating vasectomized animals with passive sperm antibody to spermatozoa.
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