Journal article

Specificity of the protective antibody response to apical membrane antigen 1

AN Hodder, PE Crewther, RF Anders

Infect. Immun. | AMER SOC MICROBIOLOGY | Published : 2001

Abstract

Apical membrane antigen 1 (AMA1) is considered one of the leading candidates for inclusion in a vaccine against blood stages of Plasmodium falciparum. Although the ama1 gene is relatively conserved compared to those for some other potential vaccine components, numerous point mutations have resulted in amino acid substitutions at many sites in the polypeptide. The polymorphisms in AMA1 have been attributed to the diversifying selection pressure of the protective immune responses. It was therefore of interest to investigate the impact of sequence diversity in P. falciparum AMA1 on the ability of anti-AMA1 antibodies to inhibit the invasion of erythrocytes in vitro by P. falciparum merozoites. ..

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University of Melbourne Researchers