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ProblemTo overcome availability of the purified native zona pellucida (ZP) glycoproteins for immunocontraception, porcine ZP3, and ZP4 were expressed in E. coli.
Method of studyPurified recombinant proteins were characterized by SDS‐PAGE and Western blot, and immunogenicity and contraceptive efficacy determined in FvB/J female mice.
ResultsPurified ZP3, ZP3 with promiscuous T‐cell epitope of tetanus...
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