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Physiology Lab Demonstration: Glomerular Filtration Rate in a Rat
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Extrarenal determinants of kidney filter function.

Eunsil Hahm1, Vasil Peev2,3, Jochen Reiser1

  • 1Department of Internal Medicine, Rush University Medical Center, Chicago, Ill., USA.

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|June 1, 2017
PubMed
Summary
This summary is machine-generated.

The bone marrow produces soluble urokinase receptor (suPAR), a factor linked to kidney filter damage and diseases like focal segmental glomerulosclerosis (FSGS). Bone marrow transplants may offer new treatments for kidney failure caused by high suPAR levels.

Keywords:
Bone marrowChronic kidney diseaseFSGS recurrenceNephrotic syndromesuPAR

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Area of Science:

  • Nephrology
  • Immunology
  • Hematology

Background:

  • The kidney interacts with multiple organs, including the immune system, but precise mechanisms of kidney filter dysfunction remain unclear.
  • Circulating factors are implicated in nephrotic syndromes like focal segmental glomerulosclerosis (FSGS), with soluble urokinase receptor (suPAR) identified as a key player.
  • The bone marrow is now recognized as a primary source of suPAR, impacting kidney filter health.

Purpose of the Study:

  • To review the critical role of the bone marrow in kidney disease pathogenesis.
  • To elucidate the functional connection between the bone marrow and kidney via the mediator suPAR.
  • To discuss bone marrow transplantation as a therapeutic strategy for FSGS and chronic kidney disease.

Main Methods:

  • Literature review focusing on suPAR, bone marrow, and kidney disease.
  • Analysis of current research on the pathophysiological mechanisms of impaired kidney filter function.
  • Examination of clinical trial outcomes for bone marrow transplantation in kidney failure.

Main Results:

  • Soluble urokinase receptor (suPAR), originating from the bone marrow, is a significant factor in FSGS pathogenesis and a marker for renal disease.
  • High suPAR levels contribute to kidney filter impairment.
  • Bone marrow transplantation is emerging as a potential therapy for recurrent FSGS and related chronic kidney disease.

Conclusions:

  • The bone marrow plays a crucial role in kidney disease through suPAR production.
  • Understanding the bone marrow-kidney axis offers insights into kidney filter dysfunction.
  • Bone marrow transplantation presents a promising therapeutic avenue for patients with kidney failure due to recurrent FSGS.