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Abstract |
Prognostic Value of Serial Measurement of Serum Des-Arg(9)-Bradykinin Levels in Severe COVID-19 Patients |
Background: Excessive inflammatory immune response during SARS-CoV-2 infection contributes to severe disease in COVID-19 patients. Recently, some researchers hypothesized that dysregulation of the bradykinin (BK) system may also play a role in the pathogenesis of severe disease. Des-Arg(9)-bradykinin (DABK), an active metabolite of BK, is responsible for vasodilatation and increased permeability in the lungs and regulated by angiotensin converting enzyme 2 (ACE-2). Viral inhibition of ACE-2 by SARS-CoV-2 increases DABK levels. Serum levels of this metabolite may be linked to disease severity in COVID-19 patients. In this study, it is aimed to investigate the prognostic value of serial measurement of serum DABK levels in severe COVID-19 patients.
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