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  • Title: Molecular analysis and phylogenetic characterization of HIV in Iran.
    Author: Sarrami-Forooshani R, Das SR, Sabahi F, Adeli A, Esmaeili R, Wahren B, Mohraz M, Haji-Abdolbaghi M, Rasoolinejad M, Jameel S, Mahboudi F.
    Journal: J Med Virol; 2006 Jul; 78(7):853-63. PubMed ID: 16721846.
    Abstract:
    The rate of human immunodeficiency virus type 1 (HIV-1) infection in Iran has increased dramatically in the last few years. While the earliest cases were found in hemophiliacs, intravenous drug users are now fueling the outbreak. In this study, both the 122 clones of HIV-1 gag p17 and the 131 clones of env V1-V5 region were obtained from 61 HIV-1 seropositives belonging to these two groups in Iran. HIV-1 subtyping and phylogenetic analysis was done by heteroduplex mobility assays (HMA) and multiple clone sequencing. The result indicated all hemophiliacs are infected with HIV-1 subtype B and all intravenous drug users are infected with HIV-1 subtype A. Since intravenous drug abuse is the major transmission route in Iran, HIV-1 subtype A is likely to be the dominant viral subtype circulating in the country. The analysis of genetic distances showed subtype B viruses in Iran to be twice as heterogeneous as the subtype A viruses. In conclusion, this first molecular study of HIV-1 genotypes in Iran suggests two parallel outbreaks in distinct high-risk populations and may offer clues to the origin and spread of infection in Iran.
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