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Biomed Pharmacother . Role of the renin-angiotensin system in NETosis in the coronavirus disease 2019 (COVID-19)

tetano

Editor, Senior Moderator
Biomed Pharmacother


. 2022 Feb 14;148:112718.
doi: 10.1016/j.biopha.2022.112718. Online ahead of print.
Role of the renin-angiotensin system in NETosis in the coronavirus disease 2019 (COVID-19)


Qingguang Zhang[SUP] 1 [/SUP], Shang Ling[SUP] 2 [/SUP], Kaili Hu[SUP] 3 [/SUP], Jun Liu[SUP] 4 [/SUP], Jin-Wen Xu[SUP] 5 [/SUP]



Affiliations

Abstract

Myocardial infarction and stroke are the leading causes of death in the world. Numerous evidence has confirmed that hypertension promotes thrombosis and induces myocardial infarction and stroke. Recent findings reveal that neutrophil extracellular traps (NETs) are involved in the induction of myocardial infarction and stroke. Meanwhile, patients with severe COVID-19 suffer from complications such as myocardial infarction and stroke with pathological signs of NETs. Due to the extremely low amount of virus detected in the blood and remote organs (e.g., heart, brain and kidney) in a few cases, it is difficult to explain the mechanism by which the virus triggers NETosis, and there may be a different mechanism than in the lung. A large number of studies have found that the renin-angiotensin system regulates the NETosis at multiple levels in patients with COVID-19, such as endocytosis of SARS-COV-2, abnormal angiotensin II levels, neutrophil activation and procoagulant function at multiple levels, which may contribute to the formation of reticular structure and thrombosis. The treatment of angiotensin-converting enzyme inhibitors (ACEI), angiotensin II type 1 receptor blockers (ARBs) and neutrophil recruitment and active antagonists helps to regulate blood pressure and reduce the risk of net and thrombosis. The review will explore the possible role of the angiotensin system in the formation of NETs in severe COVID-19.

Keywords: Angiotensin system; COVID-19; Low-density granulocytes; Neutrophil extracellular traps; Thrombosis.
 
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