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Immune gene variants help stop HIV

Research on ‘elite controllers’ might lead to better drugs or vaccine

Variations in an immune-system gene account for at least part of the uncanny ability of some people to withstand an HIV infection without developing AIDS, researchers report online November 4 in Science. The study confirms past data linking the gene, called HLA-B, to HIV defense and narrows researchers’ focus to molecular changes brought on by particular variations in the gene.

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