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1 February 2004 Variation of Circumsporozoite 26 and 29 Genotypes of Plasmodium falciparum Infecting Patients and Association with HLA-DQA Allotypes in Western Thailand
Thomas M. Kollars Jr., Rungnapha Phasuk, Jetsumon Sattabongkot
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Abstract

We evaluated the proportion of variants of circumsporozoite protein (cp) gene 26 and cp29 antigenic epitopes of Plasmodium falciparum infecting patients among 3 provinces in western Thailand, in addition to published variants from Gambia. The proportion of patients coinfected with cp26 and cp29 strains was significantly higher in patients reporting to malaria clinics in Tak than in Kanchanaburi and Ratchaburi and higher in Kanchanaburi than in Ratchaburi. In western Thailand, coinfection with cp26 and cp29 appears to increase with increasing latitude. There were also significant differences in proportion of these variants among Thai provinces and Gambia. An association of patient human leukocyte antigen (HLA) class II genotype was associated with P. falciparum strains. There were significant associations among the HLA-DQA alleles in patients, the province of origin, and cp variants of P. falciparum.

Thomas M. Kollars Jr., Rungnapha Phasuk, and Jetsumon Sattabongkot "Variation of Circumsporozoite 26 and 29 Genotypes of Plasmodium falciparum Infecting Patients and Association with HLA-DQA Allotypes in Western Thailand," Journal of Parasitology 90(1), 182-184, (1 February 2004). https://doi.org/10.1645/GE-13R
Published: 1 February 2004
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