Gene array studies in HIV-1 infection.

Gene array studies in HIV-1 infection.
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DOI:
10.1007/s11904-011-0100-x
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发表时间:
2012-03
影响因子:
4.6
通讯作者:
Ayyavoo, Velpandi
Ayyavoo, Velpandi
中科院分区:
医学2区
文献类型:
--
作者:
Mehla, Rajeev;Ayyavoo, Velpandi

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hiv -1感染的个体在发病方面表现出显著的差异。病毒复制和疾病进展依赖于宿主细胞转录和病毒特异性靶细胞中的基因调控。病毒和宿主因素都参与了这种差异调节。基因阵列和转录组分析可能会揭示为什么一些感染者没有症状,而另一些人则迅速发展为艾滋病。在这里,我们回顾了使用基因阵列技术的艾滋病毒研究的进展以及从这些研究中出现的统一概念。基因集富集分析揭示了与疾病进展相关的基因特征,涉及代谢、凋亡、细胞周期失调和t细胞信号传导相关的途径。巨噬细胞具有抗凋亡特征。此外,HIV-1调节先前被低估的胆固醇生物合成和能量产生途径。值得注意的是,与被称为非进展者的hiv感染者子集相关的细胞通路有助于生存和抗病毒反应。
HIV-1–infected individuals exhibit remarkable variation in the onset of disease. Virus replication and disease progression depend on host cellular transcription and gene regulation in virus-specific target cells. Both viral and host factors are implicated in this differential regulation. Gene arrays and transcriptome analyses might shed light on why some infected individuals remain asymptomatic while others progress rapidly to AIDS. Here we review developments in HIV research using gene array technologies and the unifying concepts that have emerged from these studies. Gene set enrichment analysis has revealed gene signatures linked to disease progression involving pathways related to metabolism, apoptosis, cell-cycle dysregulation, and T-cell signaling. Macrophages contain anti-apoptotic signatures. Also, HIV-1 regulates previously under-emphasized cholesterol biosynthesis and energy production pathways. Notably, cellular pathways linked to a subset of HIV-infected individuals known as non-progressors contribute to survival and anti-viral responses.
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