title: Incidence of lamivudine resistance associated mutations in pol-gene of HIV-1 in patients from north India: a preliminary report.
abstract: Screening of drug-resistant variants is very important for the effective clinical management of HIV-infected patients and development of new strategies. The present study was aimed to detect codon-184 mutations in the pol-gene of HIV leading to resistance to lamivudine (3-TC) by nested cum ARMS-PCR approach in 10 treated and 9 treatment naive patients. For correlation the whole blood CD4/CD8 cell counts and the soluble TNFRII levels in plasma were also determined. Of the 19 patients tested, mutant variants were observed in 2 patients (Met Val in one and Met Val & lle in second) both being treated with 3-TC. No mutations were detected in the treatment-naive patients. The results confirmed that, drug resistant variants of codon-184 emerge rapidly in patients receiving 3-TC containing regimens including our population, which is mainly infected with subtypeC of the virus that could be detected along with wild viral population using sensitive approaches such as ARMS-PCR.
authors.affiliation: Department of Immunopathology, Postgraduate Institute of Medical Education & Research, Chandigarh.
authors.forename: N
authors.initials: N
authors.lastname: Sachdeva
authors.forename: S
authors.initials: S
authors.lastname: Sehgal
authors.forename: A
authors.initials: A
authors.lastname: Sud
authors.forename: U
authors.initials: U
authors.lastname: Datta
authors.forename: S K
authors.initials: SK
authors.lastname: Arora
mesh_terms: D019380:Anti-HIV Agents / Q000494:pharmacology* / Q000627:therapeutic use; D023241:Antiretroviral Therapy, Highly Active; D018791:CD4 Lymphocyte Count; D003062:Codon; D024882:Drug Resistance, Viral; D004359:Drug Therapy, Combination; D015751:Genes, pol / Q000235:genetics*; D015658:HIV Infections / Q000188:drug therapy / Q000453:epidemiology* / Q000276:immunology / Q000821:virology; D054303:HIV Reverse Transcriptase / Q000187:drug effects / Q000235:genetics; D015497:HIV-1 / Q000187:drug effects* / Q000201:enzymology / Q000235:genetics; D006801:Humans; D015994:Incidence; D007194:India / Q000453:epidemiology; D019259:Lamivudine / Q000494:pharmacology* / Q000627:therapeutic use; D009154:Mutation; D018894:Reverse Transcriptase Inhibitors / Q000494:pharmacology* / Q000627:therapeutic use
chemical_list: D019380:Anti-HIV Agents; D003062:Codon; D018894:Reverse Transcriptase Inhibitors; D019259:Lamivudine; D054303:HIV Reverse Transcriptase