alexa HLA-E*0101 allele in homozygous state favors severe bacterial infections in sickle cell anemia.


Journal of Addiction Research & Therapy

Author(s): Tamouza R, Busson M, Fortier C, Diagne I, Diallo D,

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Abstract Severe bacterial infections are the major causes of morbidity and mortality in sickle cell anemia (SCA) but are poorly explained. The distribution of a bi-allelic polymorphism (Arg107Gly) of human leukocyte antigen-E (HLA-E) locus was investigated in 144 SCA patients, most of whom originated from from sub-Saharan Africa. Among them, 73 presented with at least one severe bacterial infection, whereas 71 did not. The HLA-E*0101/E*0101 genotype was more frequent among the group with infections than their counterparts (47\% vs 21\%; p corrected = 0.003). This genetic association is of relevance, given the emerging evidence for the involvement of HLA-E molecules in host response to pathogens. This article was published in Hum Immunol and referenced in Journal of Addiction Research & Therapy

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