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Am J Hum Genet. 2005 Aug;77(2):171-92. Epub 2005 Jul 6.

How malaria has affected the human genome and what human genetics can teach us about malaria.

Author information

  • Wellcome Trust Centre for Human Genetics and University Department of Paediatrics, Oxford, United Kingdom. dominic@well.ox.ac.uk

Abstract

Malaria is a major killer of children worldwide and the strongest known force for evolutionary selection in the recent history of the human genome. The past decade has seen growing evidence of ethnic differences in susceptibility to malaria and of the diverse genetic adaptations to malaria that have arisen in different populations: epidemiological confirmation of the hypotheses that G6PD deficiency, alpha+ thalassemia, and hemoglobin C protect against malaria mortality; the application of novel haplotype-based techniques demonstrating that malaria-protective genes have been subject to recent positive selection; the first genetic linkage maps of resistance to malaria in experimental murine models; and a growing number of reported associations with resistance and susceptibility to human malaria, particularly in genes involved in immunity, inflammation, and cell adhesion. The challenge for the next decade is to build the global epidemiological infrastructure required for statistically robust genomewide association analysis, as a way of discovering novel mechanisms of protective immunity that can be used in the development of an effective malaria vaccine.

PMID:
16001361
[PubMed - indexed for MEDLINE]
PMCID:
PMC1224522
Free PMC Article
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