Source: Latest COVID-19 News  May 04, 2020  2 years ago
Latest COVID-19 News: Protein (suPAR) Identified As New Biomarker For Acute Respiratory Failure In COVID-19 Patients
Latest COVID-19 News: Protein (suPAR) Identified As New Biomarker For Acute Respiratory Failure In COVID-19 Patients
Source: Latest COVID-19 News  May 04, 2020  2 years ago
Latest COVID-19 News: Medical researchers from Rush University Medical Center in Chicago have discovered that very high levels of a protein known as suPAR (soluble urakinase Plasminogen Activator Receptor) in the blood of individuals with COVID-19 may be a predictor of severe respiratory failure.

The research findings published in journal Critical Care suggest suPAR could be a potential predictor for which patients with COVID-19 that will need to be put on ventilators to help them breathe.
Dr Jochen Reiser, MD, Ph.D., the Ralph C. Brown, MD, Professor of Internal Medicine, chairperson of the Department of Internal Medicine at Rush told Thailand Medical News, "This is the first report in the world to show that suPAR is elevated in COVID-19 and is predictive. Since suPAR is a reactant of the innate immune system, it's an indicator of disease severity.”
Dr Reiser who is co-correspondent author of the study added, "These results show that the higher the plasma suPAR level, the worse the outcome will be in the lungs of these patients. The higher the suPAR level, the shorter the time before patients needed intubation."
The medical researchers tested suPAR levels in 15 Rush patients when they were admitted or tested for COVID-19. The University of Athens Medical School measured 57 patients for suPAR and followed them in their clinical course. Time to intubation was followed and found to be shorter in patients with a higher plasma suPAR.
Dr Reiser further added, "There is a lot of past studies and reports that suPAR is associated with poor outcomes from acute respiratory distress syndrome, a condition in many patients with severe COVID-19 and poor lung functioning in critically ill patients."
He also said there is a correlation between suPAR and respiratory failure suggests a way to help manage patients with COVID-19.
He added, "If we measure suPAR as part of diagnosing COVID-19, we may know whom to watch more and whom to send home. Plasma suPAR levels give us a window into the course of the disease, allowing for an improved monitoring and applying new and supportive treatments early."
The research findings of the present research raise additional new questions about a role for suPAR in COVID-19-associated organ dysfunction.
It has been observed that soluble urokinase plasminogen activator receptor, aka suPAR, is produced in the endobronchial tree in the lungs and by immune cells in the bone marrow and repeatedly has been shown to harm kidneys. In two studies in the New England Journal of Medicine, Reiser's research showed that chronically elevated blood levels are linked to development of chronic kidney disease, yet a high plasma suPAR also increases the risk for acute kidney injury a sudden decline in kidney function that can be a severe side effect of general medical procedures. ; and
Significantly, an increasing number of patients with severe COVID-19 also develop kidney problems, which is leading researchers to investigate the connection between COVID-19, suPAR and kidney disease.
Dr Reiser further added, "Our research on suPAR and COVID-19 associated lung injury is based on a small sample size, and we will need more data, but the findings support a concept that suPAR is harmful in COVID-19. It may therefore play a prognostic and a causal role in COVID-19 associated kidney disease."
The team hopes that more medical institutions and medical guidelines will adopt using suPAR as a biomarker for prospective severe respiratory failure in patients with COVID-19.
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