Exhaustive Genotyping of the CEM15 (APOBEC3G) Gene and Absence of Association with AIDS Progression in a French Cohort
1Équipe Génomique, Bioinformatique et Pathologies du Système Immunitaire, INSERM EMI0355, and 2Chaire de Bioinformatique, Conservatoire National des Arts et Métiers, Paris, and 3Centre National de Génotypage, Evry, France; 4Center for Neurovirology, Temple University, Philadelphia, Pennsylvania
CEM15 (or APOBEC3G) has recently been identified as an inhibitor of human immunodeficiency virus type 1 (HIV‐1) replication in vitro. To evaluate the impact of its genetic variations on the progression of acquired immunodeficiency syndrome (AIDS), we have performed an extensive genetic analysis of CEM15. We have sequenced CEM15 in a cohort of 327 HIV‐1–seropositive patients with extreme disease progression phenotypes—either slow progression or rapid progression—and in 446 healthy control subjects, all of white descent. We have identified 29 polymorphisms with allele frequencies >1%, 14 of which were newly characterized. There were no significant associations between the polymorphisms or haplotypes of CEM15 and a disease progression phenotype in our cohort.
Received 12 May 2004; accepted 4 August 2004; electronically published 15 December 2004.
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Financial support: Agence Nationale de Recherche sur le SIDA, AIDS‐Cancer Vaccine Development Foundation, and Neovacs SA (grants to the Genetics of Resistance to Immunodeficiency Virus project); Ministère de la Recherche et des Nouvelles Technologies (support to the Centre National de Génotypage).





