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  • Title: Study on the role of a sperm membrane-associated antigen in canine fertilization.
    Author: Mollova M, Ivanova M, Atanasov B, Petrov M, Kuyrkchiev S.
    Journal: Reprod Biol; 2005 Nov; 5(3):331-9. PubMed ID: 16372049.
    Abstract:
    The Mab 4B12 produced by us against capacitated boar spermatozoa was found to recognize a protein located in the acrosome portion of capacitated boar spermatozoa which is shared by different animal species, dogs included. It was shown that Mab 4B12 might affect fertilizing ability in vitro of boar spermatozoa. Using indirect immunofluorescence (IIF) test, we provide evidence here that Mab 4B12 stained the acrosome of the capacitated but not of the ejaculated and acrosome-reacted canine spermatozoa. The biological experiments using hemizona assay functional test in this study provide evidence supporting the involvement of Mab 4B12 corresponding antigen in the functional steps required for canine sperm-zona pellucida binding. These results together with the data on cell and tissue specificity of the 4B12 antigen suggest its contraceptive potential for canine fertilization.
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