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suPAR: An Inflammatory Mediator for Kidneys.

Yashwanth Reddy Sudhini1, Changli Wei1, Jochen Reiser1

  • 1Department of Internal Medicine, Rush University, Chicago, Illinois, USA.

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|August 11, 2022
PubMed
Summary
This summary is machine-generated.

Soluble urokinase-type plasminogen activator receptor (suPAR) is a key inflammatory mediator in kidney disease. Modulating suPAR offers a promising therapeutic strategy for various kidney conditions.

Keywords:
BiomarkerCOVID-19IntegrinKidneySoluble urokinase-type plasminogen activator receptorTherapeutics

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Area of Science:

  • Nephrology
  • Immunology
  • Molecular Biology

Background:

  • Inflammation is a common hallmark of kidney diseases, but specific mediators and mechanisms are often unclear.
  • The soluble form of urokinase-type plasminogen activator receptor (suPAR) is increasingly recognized as a significant inflammatory mediator in kidney disease.

Purpose of the Study:

  • To review the role of suPAR as a circulating kidney disease factor.
  • To explore the molecular mechanisms and therapeutic potential of suPAR in kidney pathologies.

Main Methods:

  • Literature review of studies on suPAR in kidney disease.
  • Analysis of suPAR's interaction with integrins and its role in acute and chronic kidney injury.
  • Examination of suPAR's involvement in COVID-19 related kidney dysfunction.

Main Results:

  • suPAR, through interactions with integrins like αvβ3 on podocytes, provides a molecular basis for glomerular kidney diseases.
  • suPAR is implicated in the progression from acute kidney injury to chronic kidney disease.
  • Elevated suPAR levels are relevant in kidney transplantation and plasmapheresis, suggesting its role in monitoring recurrence.

Conclusions:

  • suPAR has been established as a unique inflammatory mediator for kidneys over the past decade.
  • While further research is needed, targeting suPAR presents a potential novel therapeutic strategy for kidney disease.