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Association of a single nucleotide polymorphism in the C-reactive protein gene (-286) with susceptibility to Plasmodium falciparum malaria
Stockholm University, Faculty of Science, The Wenner-Gren Institute , Immunology.
Stockholm University, Faculty of Science, The Wenner-Gren Institute , Immunology.
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2010 (English)In: Molecular medicine (Cambridge, Mass. Print), ISSN 1076-1551, E-ISSN 1528-3658, Vol. 16, no 1-2, 27-33 p.Article in journal (Refereed) Published
Abstract [en]

The role of inflammation in malaria pathogenesis is not fully understood, although C-reactive protein (CRP) may have a negative influence on host immunity to infections. An upstream polymorphism, -286 (C > T > A), in the CRP gene is known to influence CRP levels. In this study, a cohort of 192 Sudanese donors, followed for malaria infection for 9 years, had their CRP -286 gene locus genotyped by pyrosequencing. The number of malaria episodes experienced by each individual over the study period was used as an index for malaria susceptibility. The prevalence of the CRP alleles A, C and T were 21%, 52% and 27%, respectively. Importantly, the A-allele, unlike the C- and T-alleles or CRP genotypes, was significantly associated with an increased number of malaria episodes, P = 0.007. The proportion of A-allele carriers among donors not known to have had malaria during the study period was 18%, whereas it was 43% and 63% among donors who had experienced 1-4 and > or =5 malaria episodes, respectively, over the same period (P = 0.002). Furthermore, the A-allele was associated with higher parasite counts. In conclusion, the CRP -286 A-allele was associated with an increased susceptibility to uncomplicated Plasmodium falciparum malaria.

Place, publisher, year, edition, pages
2010. Vol. 16, no 1-2, 27-33 p.
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Natural Sciences
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URN: urn:nbn:se:su:diva-45669DOI: 10.2119/molmed.2009.00136ISI: 000276044100004PubMedID: 19946607OAI: oai:DiVA.org:su-45669DiVA: diva2:369288
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authorCount>11Available from: 2010-11-10 Created: 2010-11-10 Last updated: 2017-12-12Bibliographically approved

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