AIDS. 2006 Jan 9;20(2):287-9.

Role of HIV-1 minority populations on resistance mutational pattern evolution and susceptibility to protease inhibitors.

Roquebert B, Malet I, Wirden M, Tubiana R, Valantin MA, Simon A, Katlama C, Peytavin G, Calvez V, Marcelin AG.

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Department of Virology, Pitié-Salpêtrière Hospital, Paris, France.

Abstract

We investigated, in the protease and GAG cleavage sites, the role of minority populations on the evolution of resistance to a subsequent boosted protease inhibitor (PI) regimen after a first failure to nelfinavir. Two pathways were observed: the addition of mutations to a currently dominant genotype when minority variants are not shown, or the emergence of a minority variant as a dominant strain. These minor species, not detected by standard genotype, may influence PI susceptibility.

PMID:: 16511425; [PubMed - indexed for MEDLINE]

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