SNHG15 aids SARS-CoV-2 entry via RABL2A.

SNHG15 aids SARS-CoV-2 entry via RABL2A.
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DOI:
10.1080/15476286.2023.2241755
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发表时间:
2023-01
期刊:
影响因子:
4.1
通讯作者:
Liu, Lin
Liu, Lin
中科院分区:
生物学3区
文献类型:
--
作者:
Pushparaj, Samuel;Gandikota, Chaitanya;Vaddadi, Kishore;Liang, Yurong;Liu, Lin

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血管紧张素转换酶2(ACE 2)和几种蛋白质已被确定为严重急性呼吸综合征冠状病毒2(SARS-CoV-2)的进入因子。然而,长的非编码RNA是否参与SARS-CoV-2的进入仍然未知。在这项研究中,我们研究了小核仁RNA宿主基因15(SNHG 15)在SARS冠状病毒-2进入使用SARS冠状病毒-2刺突假型慢病毒与荧光素酶报告。SNHG 15的过表达促进了SARS-CoV-2的进入,但SNHG 15的敲低以剂量和时间依赖性方式限制了SARS-CoV-2的进入。SNHG 15与Rab-like蛋白2A(RABL 2A)相互作用。RABL 2A的过表达和敲低对SARS-CoV-2进入产生了与SNHG 15相似的作用。此外,RABL 2A敲低消除了SNHG 15介导的SARS-CoV-2进入的增加。总之,SNHG 15是一个关键的调节因子,有助于SARS-CoV-2通过RABL 2A进入。
Angiotensin-converting enzyme 2 (ACE2) and several proteins have been identified as entry factors for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, whether long noncoding RNAs are involved in SARS-CoV-2 entry remains unknown. In this study, we investigated the role of small nucleolar RNA host gene 15 (SNHG15) in SARS-CoV-2 entry using a SARS-CoV-2 spike pseudotyped lentivirus with a luciferase reporter. Overexpression of SNHG15 promoted but SNHG15 knockdown limited SARS-CoV-2 entry in a dose- and time-dependent manner. SNHG15 interacted with Rab-like protein 2A (RABL2A). Overexpression and knockdown of RABL2A produced similar effects on SARS-CoV-2 entry as those of SNHG15. Furthermore, RABL2A knockdown abolished the SNHG15-mediated increase in SARS-CoV-2 entry. In conclusion, SNHG15 is a critical regulatory factor that aids SARS-CoV-2 entry through RABL2A.
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