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Elevated Plasmin(ogen) as a Common Risk Factor for COVID-19 Susceptibility.
Physiol Rev. 2020 07 01;100(3):1065-1075
Authors: Ji HL, Zhao R, Matalon S, Matthay MA
Abstract
Patients with hypertension, diabetes, coronary heart disease, cerebrovascular illness, chronic obstructive pulmonary disease, and kidney dysfunction have worse clinical outcomes when infected with SARS-CoV-2, for unknown reasons. The purpose of this review is to summarize the evidence for the existence of elevated plasmin(ogen) in COVID-19 patients with these comorbid conditions. Plasmin, and other proteases, may cleave a newly inserted furin site in the S protein of SARS-CoV-2, extracellularly, which increases its infectivity and virulence. Hyperfibrinolysis associated with plasmin leads to elevated D-dimer in severe patients. The plasmin(ogen) system may prove a promising therapeutic target for combating COVID-19.
PMID: 32216698 [PubMed - indexed for MEDLINE]