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Podocyte Regeneration Driven by Renal Progenitors Determines Glomerular Disease Remission and Can Be

Laura Lasagni1, Maria Lucia Angelotti1, Elisa Ronconi2

  • 1Excellence Centre for Research, Transfer and High Education for the Development of DE NOVO Therapies (DENOTHE), University of Florence, Viale Pieraccini 6, 50139 Florence, Italy.

Stem Cell Reports
|August 4, 2015
PubMed

Insights

Renal progenitor cells are key to kidney disease recovery. Enhancing their differentiation into podocytes can promote remission in chronic kidney disease, offering a potential therapeutic strategy.

Area of Science:

  • Nephrology
  • Regenerative Medicine
  • Glomerular Biology

Background:

  • Podocyte loss is a primary driver of chronic kidney disease (CKD) progression, affecting 10% of the global population.
  • The role of regenerative responses, specifically podocyte regeneration, in determining CKD outcomes remains incompletely understood.

Purpose of the Study:

  • To investigate the influence of regenerative responses to podocyte injury on the progression and remission of chronic kidney disease.
  • To identify the role of renal progenitors in podocyte regeneration and their impact on glomerular disease outcome.

Main Methods:

  • Utilized inducible transgenic mouse models with tagged podocytes and renal progenitors to study focal segmental glomerulosclerosis (FSGS).
  • Assessed disease remission or progression based on the extent of podocyte regeneration and renal progenitor differentiation.
  • Administered BIO, a GSK3 inhibitor, to evaluate its effect on renal progenitor differentiation and disease remission.

Main Results:

  • In FSGS models, disease remission correlated directly with the number of regenerated podocytes.
  • When renal progenitors were tagged, successful differentiation into podocytes led to disease remission, whereas ineffective differentiation resulted in persistent glomerulosclerosis.
  • Treatment with BIO significantly enhanced disease remission by improving renal progenitor differentiation.

Conclusions:

  • Renal progenitors are critical determinants of chronic kidney disease outcomes.
  • Pharmacological enhancement of renal progenitor differentiation represents a promising therapeutic strategy for managing glomerular diseases.

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