Govind, Chhabi K. ; Gupta, Satish K. (2000) Failure of female baboons (Papio anubis) to conceive following immunization with recombinant non-human primate zona pellucida glycoprotein-B expressed in Escherichia coli Vaccine, 18 (26). pp. 2970-2978. ISSN 0264-410X
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S02644...
Related URL: http://dx.doi.org/10.1016/S0264-410X(00)00103-1
Abstract
Progress in the development of an immunocontraceptive vaccine based on zona pellucida glycoproteins has been hampered due to observed ovarian dysfunction associated with immunization using these as immunogens. In this study four female baboons (Papio anubis) were immunized with recombinant bonnet monkey (Macaca radiata) zona pellucida glycoprotein-B (r-bmZPB) expressed in Escherichia coli and conjugated to diphtheria toxoid (DT) using Arlacel-A and Squalene as adjuvants. All the immunized animals elicited a good antibody response against r-bmZPB, continued to have ovulatory cycles and showed no disturbance in the cyclicity. In presence of high titres of circulating anti-bmZPB antibodies (>2×103 antibody units), the immunized animals failed to conceive following mating with males of proven fertility. Pregnancy was observed in the immunized animals subsequent to the decline in anti-r-bmZPB antibody titres. These results, though preliminary, suggest that immunization with ZPB may be used for immunocontraception without obvious ovarian dysfunction.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Science. |
Keywords: | Recombinant Zona Pellucida Glycoprotein-B; Immunogenicity; Immunocontraception |
ID Code: | 12044 |
Deposited On: | 09 Nov 2010 11:40 |
Last Modified: | 02 Jun 2011 11:16 |
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