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Fibromodulin, a Multifunctional Matricellular Modulator.

Z Zheng1,2, H S Granado3, C Li3

  • 1David Geffen School of Medicine, University of California, Los Angeles, CA, USA.

Journal of Dental Research
|December 14, 2022
PubMed
Summary

Fibromodulin (FMOD) is a versatile proteoglycan that regulates extracellular matrix and growth factor signaling. Its diverse functions show promise for treating diseases and advancing regenerative medicine.

Keywords:
cell fate determinationfibril assemblyfibromodulinmatricellular modulatorsignal transductionsmall leucine-rich proteoglycan

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Regenerative Medicine

Background:

  • Fibromodulin (FMOD) is a small leucine-rich proteoglycan involved in extracellular matrix (ECM) organization.
  • FMOD interacts with ECM components like collagen and lysyl oxidase, influencing fibril architecture.
  • FMOD also binds to cytokines and growth factors, notably the TGF-β superfamily, modulating cellular processes.

Purpose of the Study:

  • To review recent preclinical advancements in FMOD research and therapies.
  • To elucidate the molecular mechanisms of FMOD function, particularly its interaction with TGF-β.
  • To highlight FMOD's therapeutic potential in various diseases and regenerative applications.

Main Methods:

  • Literature review of preclinical FMOD studies.
  • Analysis of FMOD's molecular interactions with ECM and signaling molecules.
  • Discussion of FMOD's biological activities and therapeutic implications.

Main Results:

  • FMOD demonstrates promigratory, proangiogenic, anti-inflammatory, and antifibrogenic properties.
  • FMOD plays key roles in cell fate, progenitor cell recruitment, and tissue regeneration.
  • FMOD shows potential as a therapeutic agent for arthritis, fibrotic diseases, and injuries, and as a cancer marker/target.

Conclusions:

  • FMOD's multifaceted nature positions it as a promising candidate for treating diverse diseases and for regenerative medicine.
  • Understanding FMOD's interaction with TGF-β is crucial for developing novel FMOD-based treatments.
  • FMOD can reprogram somatic cells, offering a novel cell source for tissue reconstruction.