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Antigenic polypeptide SE36 of malaria plasmodium, process for purification thereof, and vaccine and diagnostic agent using the antigen
Antigenic polypeptide SE36 of malaria plasmodium, process for purification thereof, and vaccine and diagnostic agent using the antigen
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机译:疟原虫的抗原多肽SE36,其纯化方法以及使用该抗原的疫苗和诊断剂
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摘要
The present invention provides a polyeptide SE36 derived from the N-terminal domain (47 kd) of SERA (serine-repeat antigen) produced by malaria parasite, Plasonodium falciparum, at the erythrocyte stage, a process for purifing said polypeptide, and a malaria vaccine and diagnostic agent using as an active component said purified antigen obtained therefrom. SE36 can be produced in Escherichia coli on a large scale by deleting all or part of polymerized serines of the 47 kd serine-repeat region, whereby high purification is permitted. The human IgG3 antibodies spcically binding to SE36 prevents highly effectively growth of the protozoa in the red blood cells to inhibit fever and cerebral malaria, and further prevent the death.
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