Connecting the dots on vertical transmission of SARS-CoV-2 using protein-protein interaction network analysis - Potential roles of placental ACE2 and ENDOU.

Connecting the dots on vertical transmission of SARS-CoV-2 using protein-protein interaction network analysis - Potential roles of placental ACE2 and ENDOU.
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DOI:
10.1016/j.placenta.2020.11.001
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发表时间:
2021-01-15
期刊:
影响因子:
3.8
通讯作者:
Buhimschi IA
Buhimschi IA
中科院分区:
医学3区
文献类型:
--
作者:
Jing H;Ackerman WE 4th;Zhao G;El Helou Y;Buhimschi CS;Buhimschi IA

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我们进行了一项蛋白质-蛋白质相互作用(PPI)网络研究,寻找与妊娠相关的COVID-19合并严重子痫前期(sPE)和羊膜内感染和/或炎症(Triple-I)相关的蛋白质。sPE和Triple-I的PPI网络与冠状病毒感染的PPI网络相交。常见的蛋白质包括SARS-CoV-2进入受体ACE2和胎盘核糖核酸内切酶ENDOU,这是一种与Nsp15同源的蛋白质,Nsp15是病毒产生的一种逃避宿主免疫的蛋白质。值得注意的是,胎盘ENDOU mRNA的表达量远远超过ACE2。免疫组织化学证实ENDOU定位于母胎血液界面。有必要进一步调查ENDOU与SARS-CoV-2垂直传播的相关性。
We conducted a protein-protein interaction (PPI) network study searching for proteins relevant to pregnancy-associated COVID-19 in pregnancy complicated with severe preeclampsia (sPE) and intra-amniotic infection and/or inflammation (Triple-I). PPI networks from sPE and Triple-I were intersected with the PPI network from coronavirus infection. Common proteins included the SARS-CoV-2 entry receptor ACE2 and ENDOU, a placental endoribonuclease homologous to Nsp15, a protein produced by the virus to escape host immunity. Remarkably, placental ENDOU mRNA expression far exceeded that of ACE2. Immunohistochemistry confirmed ENDOU localization at the hemochorial maternal-fetal interface. Investigation of ENDOU's relevance to vertical transmission of SARS-CoV-2 is further warranted.
一种具有新故事的“旧”蛋白质:冠状病毒内切核糖核酸酶对于逃避宿主抗病毒防御非常重要。
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