Is there a role for the ACE2 receptor in SARS-CoV-2 interactions with platelets?

Is there a role for the ACE2 receptor in SARS-CoV-2 interactions with platelets?
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DOI:
10.1111/jth.15156
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发表时间:
2021-01
期刊:
Journal of thrombosis and haemostasis : JTH
影响因子:
--
通讯作者:
Rondina MT
Rondina MT
中科院分区:
其他
文献类型:
--
作者:
Campbell RA;Boilard E;Rondina MT

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迫切需要了解COVID-19期间导致血栓形成和炎症并发症的潜在机制。来自独立小组的数据已经确定,血小板在COVID-19期间反应过度。血小板高反应性伴随着血小板基因表达的变化,以及血小板和白细胞之间的相互作用增强。在一些患者中,在血小板中检测到SARS-CoV-2 mRNA。总之,这表明SARS-CoV-2可能与血小板相互作用。然而,关于哪些受体介导SARS-CoV-2血小板相互作用仍然存在争议。大多数(但不是全部)转录组学和蛋白质组学分析未能观察到血小板和巨核细胞上假定的SARS-CoV-2受体、血管紧张素转换酶-2或病毒进入所必需的细胞丝氨酸蛋白酶TMPRSS 2。有趣的是,血小板表达其他已知的SARS-CoV-2受体,这些受体诱导的激活模式与血小板与SARS-CoV-2孵育时观察到的激活模式相似。本文探讨了这些发现,并讨论了关于SARS-CoV-2血小板相互作用的争议和不确定性。
There is an urgent need to understand the underlying mechanisms contributing to thrombotic and inflammatory complications during COVID‐19. Data from independent groups have identified that platelets are hyperreactive during COVID‐19. Platelet hyperreactivity is accompanied by changes in platelet gene expression, and enhanced interactions between platelets and leukocytes. In some patients, SARS‐CoV‐2 mRNA has been detected in platelets. Together, this suggests that SARS‐CoV‐2 may interact with platelets. However, controversy remains on which receptors mediate SARS‐CoV‐2 platelet interactions. Most, but not all, transcriptomic and proteomic analyses fail to observe the putative SARS‐CoV‐2 receptor, angiotensin converting enzyme‐2, or the cellular serine protease necessary for viral entry, TMPRSS2, on platelets and megakaryocytes. Interestingly, platelets express other known SARS‐CoV‐2 receptors, which induce similar patterns of activation to those observed when platelets are incubated with SARS‐CoV‐2. This article explores these findings and discusses ongoing areas of controversy and uncertainty with regard to SARS‐CoV‐2 platelet interactions.
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