Upregulation of PTPRC and Interferon Response Pathways in HIV-1 Seroconverters Prior to Infection.

Upregulation of PTPRC and Interferon Response Pathways in HIV-1 Seroconverters Prior to Infection.
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DOI:
10.1093/infdis/jiac498
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发表时间:
2023-03-01
期刊:
The Journal of infectious diseases
影响因子:
--
通讯作者:
Mackelprang RD
Mackelprang RD
中科院分区:
其他
文献类型:
--
作者:
Li Y;Lefebvre F;Nakku-Joloba E;Ronald A;Gray G;de Bruyn G;Kiarie J;Celum C;Cameron MJ;Lingappa JR;Mackelprang RD

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人类免疫缺陷病毒1(HIV-1)暴露血清阴性(HESN)个体可能具有改变HIV-1感染易感性的独特特征。然而,识别真正暴露的HESN是具有挑战性的。我们利用HIV-1血清差异夫妇队列的存储数据和生物标本,其中夫妇的HIV-1暴露基于无保护性行为频率和HIV-1伴侣的病毒载量进行量化。我们比较了15例HESN和18例感染前血清转换者的外周血基因表达。我们发现PTPRC(编码CD 45抗原)和干扰素反应途径在血清学阳性的个体中有显著更高的表达,因此可能是获得风险增加的标志。我们分析了在一个非洲队列中与HIV获得相关的转录特征,该队列具有量化的HIV暴露。PTPRC(CD 45抗原)和干扰素反应途径,这两个免疫激活的标志物,在继续获得HIV的个体中有显着更高的表达。
Human immunodeficiency virus 1 (HIV-1) exposed seronegative (HESN) individuals may have unique characteristics that alter susceptibility to HIV-1 infection. However, identifying truly exposed HESN is challenging. We utilized stored data and biospecimens from HIV-1 serodifferent couple cohorts, in which couples’ HIV-1 exposures were quantified based on unprotected sex frequency and viral load of the partner with HIV-1. We compared peripheral blood gene expression between 15 HESN and 18 seroconverters prior to infection. We found PTPRC (encoding CD45 antigen) and interferon-response pathways had significantly higher expression among individuals who went on to become seropositive and thus may be a signature for increased acquisition risk. We analyzed transcriptional signatures associated with HIV acquisition in an African cohort with quantified HIV exposure. PTPRC (CD45 antigen) and interferon-response pathways, both markers of immune activation, had significantly higher expression among individuals who went on to acquire HIV.
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