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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/22584
Title: Plasmodium coatneyi ring-infected erythrocyte surface antigens
Authors: R. Udomsangpetch
A. E. Brown
C. D. Smith
H. K. Webster
Mahidol University
Keywords: Immunology and Microbiology;Medicine
Issue Date: 1-Jan-1993
Citation: American Journal of Tropical Medicine and Hygiene. Vol.49, No.1 (1993), 127-134
Abstract: Plasmodium coatneyi produced ring-infected erythrocyte surface antigen (RESA) during infection of the rhesus monkey. This antigen was immunogenic and elicited an antibody response that was not persistent but was boosted by repeated infections in a manner similar to that seen in P. falciparum infections in humans. Preliminary data showed that the appearance and increasing titer of antibodies to P. coatneyi RESA-like antigen were associated with prolongation of intervals from inoculation to patency and with control of parasitemia. Studies using both immunofluorescence assay and Western blot analysis showed that P. coatneyi-immune rhesus serum cross- reacted with P. falciparum antigens, but P. falciparum immune human serum did not recognize P. coatneyi antigens in either assay. These results show that P. coatneyi expresses RESA-like antigen that elicits an antibody response similar to that observed for human antibody to P. falciparum RESA. However, antibodies to P. coatneyi did not cross-react with P. falciparum RESA in erythrocyte membrane immunofluorescence assay and dot immunoblot analysis, suggesting that different immunogenic epitopes are present on the two molecules. Our observations support the use of this primate model in RESA- based vaccine development.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0027242347&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/22584
ISSN: 00029637
Appears in Collections:Scopus 1991-2000

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