Narrative review: fibrotic diseases: cellular and molecular mechanisms and novel therapies

Joel Rosenbloom1, Susan V Castro, Sergio A Jimenez

  • 1Jefferson Institute of Molecular Medicine, Thomas Jefferson University, 233 South 10th Street, Room 509, Bluemle Life Science Building, Philadelphia, PA 19107-5541, USA.

Insights

Fibrotic diseases involve excessive extracellular matrix deposition. Inhibiting transforming growth factor-beta (TGF-beta) pathways, specifically those activating cellular Abelson (c-Abl) kinase, offers a novel therapeutic strategy for these challenging conditions.

Area of Science:

  • Fibrosis research
  • Molecular biology
  • Drug discovery

Background:

  • Fibrotic diseases are characterized by abnormal extracellular matrix deposition, affecting organs like lungs, liver, and kidneys.
  • These progressive conditions present significant treatment challenges due to limited effective therapies.
  • Transforming growth factor-beta (TGF-beta) plays a central role in fibrotic pathogenesis.

Purpose of the Study:

  • To explore novel therapeutic approaches for fibrotic disorders.
  • To investigate the role of TGF-beta signaling in fibrosis.
  • To identify potential drug targets within the TGF-beta pathway.

Main Methods:

  • Investigated the TGF-beta signaling pathway.
  • Focused on the activation of cellular Abelson (c-Abl) tyrosine kinase.
  • Evaluated the efficacy of c-Abl inhibitors, such as imatinib mesylate.

Main Results:

  • Transforming growth factor-beta (TGF-beta) signaling activates cellular Abelson (c-Abl) kinase.
  • Inhibition of c-Abl kinase diminishes the fibrogenic effects of TGF-beta.
  • This pathway modulation shows potential in reducing fibrotic processes.

Conclusions:

  • Targeting TGF-beta activated pathways, specifically c-Abl, is a promising therapeutic strategy for fibrotic diseases.
  • Basic research into fibrotic pathogenesis enables the development of novel treatments.
  • Agents like imatinib mesylate demonstrate potential in mitigating fibrotic disease effects.

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