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Antigenic Diversity Found in Isolates of Plasmodium Falciparum from Papua New Guinea by using Monoclonal Antibodies
Graham Knowles
Graham Knowles
Papua New Guinea Institute of Medical Research, P.O. Box 378, Madang, Papua New Guinea
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Wendy L. Davidson
Wendy L. Davidson
Papua New Guinea Institute of Medical Research, P.O. Box 378, Madang, Papua New Guinea
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Jana S. McBride
Jana S. McBride
Department of Zoology, Edinburgh University, Edinburgh EH9 3JT, Scotland
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Damien Jolley
Damien Jolley
Papua New Guinea Institute of Medical Research, P.O. Box 378, Madang, Papua New Guinea
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Monoclonal antibodies were used to demonstrate antigenic diversity in over 100 primary isolates of Plasmodium falciparum collected from one area of Papua New Guinea. The frequencies of several parasite antigens in our sample is calculated. One particular antigen which had previously been shown to be absent in one-third of established isolates collected from several countries appeared ubiquitous in our sample from Papua New Guinea. A method is presented that can be used to test for associations between antigens; the analysis also reveals whether other variables affect these associations. Several associations between antigens were revealed. In one instance, the association between two particular parasite antigens was affected by the donor's age. The importance of characterizing the antigenic structure of P. falciparum populations, and its relevance to the introduction of an antimalarial vaccine are discussed.
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| Past two years | Past Year | Past 30 Days | |
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