Transcriptomic analysis reveals novel mechanisms of SARS-CoV-2 infection in human lung cells.

Transcriptomic analysis reveals novel mechanisms of SARS-CoV-2 infection in human lung cells.
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转录组分析揭示人肺细胞中 SARS-CoV-2 感染的新机制

DOI:
10.1002/iid3.366
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发表时间:
2020-12
期刊:
Immunity, inflammation and disease
影响因子:
--
通讯作者:
Sun W
Sun W
中科院分区:
其他
文献类型:
--
作者:
Yang S;Wu S;Yu Z;Huang J;Zhong X;Liu X;Zhu H;Xiao L;Deng Q;Sun W

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严重急性呼吸综合征冠状病毒2型(SARS-CoV-2)是一种单链RNA病毒,导致2019年冠状病毒病(COVID-19)全球大流行。到目前为止,仍然没有有效的方法来预防和治疗COVID-19。本研究旨在探讨SARS-CoV-2感染人肺细胞的可能机制。通过招募生物信息学分析进行数据解释,包括基因本体论和京都基因百科全书和基因组途径分析,使用从NCBI基因表达综合数据库下载的数据。目前的研究表明,SARS-CoV-2感染诱导14个干扰素刺激基因的上调,表明免疫和干扰素对病毒的反应。值得注意的是,SARS-CoV-2感染后,嘧啶代谢和类固醇激素生物合成的基因在人肺细胞中选择性富集,这表明SARS-CoV-2感染后嘧啶代谢和类固醇生物合成的改变是显着的,并且可能是可药用的特征。此外,病毒ORF 1ab、ORF 6和血管紧张素转换酶2(ACE 2)在人肺细胞中的表达之间存在强正相关性,这意味着ACE 2可能通过诱导ORF 1ab和ORF 6来促进SARS-CoV-2在宿主细胞中的感染和复制。
Severe acute respiratory syndrome coronavirus clade 2 (SARS‐CoV‐2) is a single‐stranded RNA virus responsible for the global pandemic of the coronavirus disease‐2019 (COVID‐19). To date, there are still no effective approaches for the prevention and treatment of COVID‐19. The present study aims to explore the possible mechanisms of SARS‐CoV‐2 infection in human lung cells. Data interpretation was conducted by recruiting bioinformatics analysis, including Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathways analysis using downloaded data from the NCBI Gene Expression Omnibus database. The present study demonstrated that SARS‐CoV‐2 infection induces the upregulation of 14 interferon‐stimulated genes, indicative of immune, and interferon responses to the virus. Notably, genes for pyrimidine metabolism and steroid hormone biosynthesis are selectively enriched in human lung cells after SARS‐CoV‐2 infection, suggesting that altered pyrimidine metabolism and steroid biosynthesis are remarkable, and perhaps druggable features after SARS‐CoV‐2 infection. Besides, there is a strong positive correlation between viral ORF1ab, ORF6, and angiotensin‐converting enzyme 2 (ACE2) expression in human lung cells, implying that ACE2 facilitates SARS‐CoV‐2 infection and replication in host cells probably through the induction of ORF1ab and ORF6.
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