Molecular epidemiology of HIV-1 strains in the south-east and east of Turkey

来源 :Asian Pacific Journal of Tropical Biomedicine | 被引量 : 0次 | 上传用户:fresco_xp
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Objective:To detect the subtype characterization and drug-resistant mutations in HIV-1 strains after the refugee movement from Syria to Turkey between 2011 and 2014 in south east border lines. Methods: A total of 65 patients were included in this study, of which 57(88%) patients were antiretroviral therapy-naive patients. HIV-1 RNA was detected and quantii ed by realtime PCR assay. HIV-1 subtypes and circulating recombinant forms(CRFs) were identii ed by phylogenetic analysis(neighbor-joining method), and drug-resistant mutations were analyzed.Results: Three major HIV groups were indicated. Two of these groups were located in subtype B. The other group showed heterogeneity. Subtype B(48/65, 73.8%), followed by CRFs(12/65, 18.5%) was the most common strain. Subtype of CRFs consisted of CRF01_AE(9/65, 13.8%) and CRF02_AG(3/65, 4.6%). Subtype C(1/65, 1.5%), sub-subtypes A1(2/65, 3.1%) and F1(2/65, 3.1%) were also detected with low prevalence. The rate of overall primary antiretroviral resistance was 4.9%(3/61). Drug-resistant rate for non-nucleoside reverse transcriptase inhibitors was 4.9%. The thymidine analogue mutation rate was 13.1%(8/61).Conclusions: HIV molecular epidemiology studies are necessary to determine transmission patterns and spread. Subtype B and CRF01_AE, CRF02_AG are the most prevalent strains in the south-east of Turkey. However, subtype C, sub-subtypes A1 and F1 are of low prevalence but persist in the south-east of Turkey. In the near future, changing of HIV epidemiology will be possible in Turkey due to migration movement in border lines and resistance testing will play an important role in HIV management. Objective: To detect the subtype characterization and drug-resistant mutations in HIV-1 strain after the refugee movement from Syria to Turkey between 2011 and 2014 in south east border lines. Methods: A total of 65 patients were included in this study, of which HIV-1 RNA was detected and quantized by realtime PCR assay. HIV-1 subtypes and circulating recombinant forms (CRFs) were identii ed by phylogenetic analysis (neighbor-joining method) , and drug-resistant mutations were analyzed. Results: Three major HIV groups were identified. Two of these groups were located in subtype B. The other group showed heterogeneity. Subtype B (48/65, 73.8%), followed by CRFs / 65, 18.5%) was the most common strain. Subtype of CRFs consisted of CRF01_AE (9/65, 13.8%) and CRF02_AG (3/65, 4.6% subtypes A1 (2/65, 3.1%) and F1 (2/65, 3.1%) were also detected with low prevalence. The rate of overall primary antiretroviral res The drug resistance rate for non-nucleoside reverse transcriptase inhibitors was 4.9%. The thymidine analogue mutation rate was 13.1% (8/61). Conclusions: HIV molecular epidemiology studies are necessary to determine transmission patterns and spread. Subtype B and CRF01_AE, CRF02_AG are the most prevalent straits in the south-east of Turkey. However, subtype C, sub-subtypes A1 and F1 are of low prevalence but persist in the south-east of Turkey. In the near future, changing of HIV epidemiology will be possible in Turkey due to migration movement in border lines and resistance testing will play an important role in HIV management.
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