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Year : 2012  |  Volume : 4  |  Issue : 2  |  Page : 110-113

Polymorphisms of HIV RT gene among the ART naïve native drug exposed rural PLHA

1 Department of Microbiology, Sri Muthukumaran Medical College and Research Institue, Mangadu, Chennai, India
2 Department of Microbiology, Meenakshi Medical College and Research Institute, Enathur, Kanchipuram, India

Correspondence Address:
K Mohana Krishnan
Department of Microbiology, Sri Muthukumaran Medical College and Research Institue, Mangadu, Chennai
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-777X.96775

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Background: The number of people living with human immunodeficiency virus (HIV) is increasing day by day in India. The disease has now spread from urban areas to rural areas. The proof reading of the reverse transcriptase enzyme is poor, which may lead to genetic diversity within the HIV strains, which in turn leads to problems like failure or resistance in antiretroviral treatment. This study is designed to find out the polymorphisms of the reverse transcriptase gene of HIV, after the native drug pressure among antiretroviral therapy (ART) naïve rural people living with HIV/AIDS (RPLHA). Materials and Methods : A total of 207 HIV-Reactive patients were allowed to take native drugs from the local area and were advised to attend the center for HIV after six months for a follow-up. At the time of the follow-up visit, a second blood sample was taken from 20 reactive native-drug exposed ART-naïve patients. The plasma was separated and transported at 20°C to the YRG Care Center for genotyping. Results: Among the 20 HIV-reactive samples processed for gene sequencing analysis to detect the genotypic variations, only one sample (5%) showed high-level mutational resistance variations and the predominant polymorphisms detected were V35T (100%), K122E (94.44%), and V60I (88.88%). Conclusions: The presence of drug-resistance mutations, although minimal, was important, as the drug-resistant strains could spread among the RPLHA and to their sexual partners. There was a definite need to generate a drug resistance database and the polymorphic pattern of Indian strains concern to the future clinical management of the disease, and a vaccine design to contain the disease.

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2008 Journal of Global Infectious Diseases | Published by Wolters Kluwer - Medknow
Online since 10th December, 2008