HIV-1 subtype diversity and transmission strain source among men who have sex with men in Guangxi, China.

HIV-1 subtype diversity and transmission strain source among men who have sex with men in Guangxi, China.
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中国广西男男性行为者中HIV - 1亚型多样性及传播毒株来源情况

DOI:
10.1038/s41598-021-87745-3
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发表时间:
2021-04-15
期刊:
影响因子:
4.6
通讯作者:
Lan G
Lan G
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Chen Y;Shen Z;Feng Y;Ruan Y;Li J;Tang S;Tang K;Liang S;Pang X;McNeil EB;Xing H;Chongsuvivatwong V;Lin M;Lan G

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近年来,随着男男性行为者(MSM)艾滋病毒感染率的迅速上升,以及中国不同省份之间普遍的人口迁移和旅行,男男性行为者现在发现彼此更容易相遇,这可能会导致当地艾滋病毒的流行,并助长跨省传播。我们在2018-2019年进行了一项横断面调查,以系统发育分析为基础,调查中国广西MSM中目前的HIV亚型多样性和推断HIV毒株传播来源。基于238份样本,我们发现HIV-1亚型的多样性比以前更加复杂,除了3种主要的HIV亚型/循环重组形式(CRF07_BC, CRF01_AE, CRF55_01B)外,其他5种亚型/重组形式(CRF59_01B, B, CRF08_BC, CRF67_01B, CRF68_01B)和5种独特的重组形式(urf)。共有76.8%(169/220)的样本感染了本地流行毒株,其余样本来自外省,以广东和上海为主。广西男男性行为者中HIV重组体的高度多样性和HIV传播来源的复杂性表明,广西境内外HIV阳性男男性行为者之间存在活跃的性网络,但没有有效的预防措施。必须加强跨省合作,为中国的男男性行为者提供量身定制的艾滋病预防和控制服务。
With the rapid increase in HIV prevalence of men who have sex with men (MSM) in recent years and common human migration and travelling across different provinces in China, MSM are now finding it easier to meet each other, which might contribute to local HIV epidemics as well as fueling cross-province transmission. We performed a cross-sectional survey in 2018–2019 to investigate the current HIV subtype diversity and inferred HIV strain transmission origin among MSM in Guangxi province, China based on a phylogenetic analysis. Based on 238 samples, we found that the HIV-1 subtype diversity was more complicated than before, except for three major HIV subtypes/circulating recombinant forms (CRFs): CRF07_BC, CRF01_AE, CRF55_01B, five other subtypes/CRFs (CRF59_01B, B, CRF08_BC, CRF67_01B, CRF68_01B) and five unique recombinant forms (URFs) were detected. In total, 76.8% (169/220) of samples were infected with HIV from local circulating strains, while others originated from other provinces, predominantly Guangdong and Shanghai. The high diversity of HIV recombinants and complicated HIV transmission sources in Guangxi MSM indicates that there has been an active sexual network between HIV positive MSM both within and outside Guangxi without any effective prevention. Inter-province collaboration must be enforced to provide tailored HIV prevention and control services to MSM in China.
DOI: 10.1097/md.0000000000010404
发表时间: 2018-04
期刊: Medicine
影响因子: 1.6
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