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Myofibroblasts in Fibrotic Kidneys.

Naoki Nakagawa1, Jeremy S Duffield

  • 1Division of Nephrology Kidney Research Institute, Center for Lung Biology, Institute of Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, USA.

Current Pathobiology Reports
|November 5, 2013
PubMed
Summary

Identifying kidney myofibroblasts, the cells responsible for scar tissue in chronic kidney disease, is crucial for developing new treatments. Recent studies clarify their origins and roles in kidney fibrosis.

Keywords:
CKDFOXD1 progenitorsGlomerular diseaseMyofibroblastPathobiologychronic kidney diseasefibrosisinflammationpericytesresident fibroblasts

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Area of Science:

  • Nephrology
  • Cell Biology
  • Pathology

Background:

  • Kidney fibrosis, characterized by glomerular and interstitial scarring, is a hallmark of chronic kidney diseases.
  • Fibrosis is linked to capillary damage, inflammation, and nephron loss, leading to kidney failure.
  • Myofibroblasts are the primary cells responsible for producing scar tissue, but their precise identity and origin have been challenging to determine.

Purpose of the Study:

  • To review the current understanding of myofibroblast origins and characteristics in the kidney.
  • To explore the role of myofibroblasts in kidney disease pathogenesis.
  • To highlight recent advancements in identifying myofibroblast populations.

Main Methods:

  • Genetic fate mapping in mice.
  • Dynamic reporting of fibrillar collagen-producing cells in mice.
  • Review of existing literature on kidney myofibroblasts.

Main Results:

  • Recent studies have clarified the major populations of myofibroblasts and their precursors in the kidney.
  • These advancements provide a clearer picture of myofibroblast identity and origin.
  • Understanding these cells is key to developing targeted therapies.

Conclusions:

  • Myofibroblasts play a central role in the development and progression of kidney fibrosis.
  • Improved identification of myofibroblasts offers new therapeutic avenues for chronic kidney diseases.
  • Further research into myofibroblast biology is essential for combating kidney scarring.