Immunofluorescent localization of a seminal vesicle proteinase inhibitor in the female reproductive tract of naturally inseminated mice
- 1 March 1983
- journal article
- research article
- Published by Wiley in Journal of Experimental Zoology
- Vol. 225 (3), 481-487
- https://doi.org/10.1002/jez.1402250316
Abstract
The indirect immunofluorescent technique was used to localize a low molecular weight, acid-stable proteinase inhibitor of seminal vesicle origin in the female reproductive tract of mice. In recently inseminated animals (0, 2, and 4 hr postcoitus) the inhibitor was localized in the copulatory plug, on the epithelia of the vaginal fornix and cervix, in the uterine lumen, and on the apical surface of the uterine epithelium. Ten hours postcoitus the inhibitor was found in localized areas on the uterine epithelium, in a sperm-leucocyte mass in the uterine lumen, and in the copulatory plug. The inhibitor was not found in females 24 hr postcoitus. The inhibitor could not be localized in the oviducts of any of the animals tested. The data are interpreted to mean that the inhibitor, transported to the female at ejaculation, coats the surface of the female reproductive tract protecting it from acrosomal enzymes or from invasion by spermatozoa or pathogens.This publication has 17 references indexed in Scilit:
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