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HIV-1 transmission among injection drug users leads to novel recombinants circulating in Southern China

机译:HIV-1在注射吸毒者中的传播导致新型重组体在中国南方流通

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Injection drug use has been responsible for most HIV-1 transmission in Asia and has led to the generation and/or spreading of circulating recombinant CRF01AE, CRF07BC, and CRF08BC, which are currently the predominant HIV-1 strains in China. Monitoring HIV-1 transmissions among injection drug users (IDUs) still provides critical information on HIV-1 prevalence and control. In the present study, we detected three HIV-1 sequences, BH048/057/066, from IDUs in Beihai city, Guangxi province, all of which share an extremely complex mosaic recombination pattern. CRF01AE and CRF08BC contributed to the rise of new recombinants, which contain CRF08BC-derived env fragments with evidence of further evolution. Our data, combined with those of other studies, suggest that the BH048/057/066 recombinants represent early strains of a circulating recombinant form of HIV-1 in southern China. Information concerning such newly appearing variants is critical for both HIV-1 control and ongoing HIV-1 vaccine trials in Guangxi, China.
机译:注射毒品的使用已导致亚洲大多数HIV-1传播,并导致循环重组CRF01AE,CRF07BC和CRF08BC的产生和/或传播,它们目前是中国的主要HIV-1毒株。监测注射吸毒者之间的HIV-1传播仍然提供有关HIV-1流行和控制的重要信息。在本研究中,我们从广西省北海市的注射吸毒者中检测到三个HIV-1序列BH048 / 057/066,它们均具有极为复杂的镶嵌重组模式。 CRF01AE和CRF08BC促成了新重组体的兴起,其中包含CRF08BC衍生的env片段,并有进一步进化的证据。我们的数据,结合其他研究的数据,表明BH048 / 057/066重组体代表了中国南方地区循环型HIV-1的早期菌株。有关这种新出现的变体的信息对于在中国广西开展的HIV-1控制和正在进行的HIV-1疫苗试验均至关重要。

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