Role of Tyrosine Kinase Inhibitors in Modulating Chondrocyte Activity and Cartilage Diseases

Khalil A Hadid1, Muthanna K Zaki1, Fawaz A Alassaf1

  • 1Department of Pharmacology and Toxicology, College of Pharmacy, University of Mosul, Mosul, Iraq.

Journal of Bone Metabolism
|September 17, 2025
PubMed

Insights

Tyrosine kinase inhibitors show promise for managing joint diseases like rheumatoid arthritis and osteoarthritis by targeting cartilage degeneration. While some are approved, further research is needed to overcome side effects and improve joint specificity.

Area of Science:

  • Biochemistry
  • Pharmacology
  • Rheumatology

Background:

  • Tyrosine kinases (TK) regulate critical joint cellular processes including proliferation, differentiation, and apoptosis.
  • Dysregulation of TK pathways contributes to cartilage degeneration and inflammation in joint diseases.
  • Current treatments for inflammatory and degenerative joint disorders have limitations.

Purpose of the Study:

  • To review the role of tyrosine kinase inhibitors (TKIs) in modulating chondrocyte activity.
  • To explore the therapeutic potential of TKIs in cartilage-related diseases such as rheumatoid arthritis (RA) and osteoarthritis (OA).
  • To assess the current status and challenges of TKI utilization in joint disease management.

Main Methods:

  • A literature search was conducted in PubMed and Google Scholar.
  • Keywords used included: cartilage regeneration, chondrocyte activity, OA, RA, and TK inhibitors.
  • Relevant publications were synthesized to construct the review.

Main Results:

  • TK inhibitors demonstrate anti-inflammatory effects via multiple pathways, aiding in cartilage disease treatment.
  • Specific TKIs like tofacitinib and baricitinib are approved for RA; others are under investigation for RA and OA.
  • TKIs offer potential for managing inflammatory and degenerative joint disorders.

Conclusions:

  • TK inhibitors represent a promising therapeutic strategy for joint diseases, potentially improving management and promoting cartilage regeneration.
  • Challenges include serious side effects, limited joint specificity, and insufficient clinical research.
  • Further investigation is warranted to optimize TKI therapy for joint conditions.

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