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Molecular signaling pathways in osteoarthritis and biomaterials for cartilage regeneration: a review
Samson Prince Hiruthyaswamy1, Arohi Bose1, Ayushi Upadhyay1
1Department of Biotechnology, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India.
Abstract:
Osteoarthritis is a prevalent degenerative joint disease characterized by cartilage degradation, synovial inflammation, and subchondral bone alterations, leading to chronic pain and joint dysfunction. Conventional treatments provide symptomatic relief but fail to halt disease progression. Recent advancements in biomaterials, molecular signaling modulation, and gene-editing technologies offer promising therapeutic strategies. This review explores key molecular pathways implicated in osteoarthritis, including fibroblast growth factor, phosphoinositide 3-kinase/Akt, and bone morphogenetic protein signaling, highlighting their roles in chondrocyte survival, extracellular matrix remodeling, and inflammation. Biomaterial-based interventions such as hydrogels, nanoparticles, and chitosan-based scaffolds have demonstrated potential in enhancing cartilage regeneration and targeted drug delivery. Furthermore, CRISPR/Cas9 gene editing holds promise in modifying osteoarthritis-related genes to restore cartilage integrity. The integration of regenerative biomaterials with precision medicine and molecular therapies represents a novel approach for mitigating osteoarthritis progression. Future research should focus on optimizing biomaterial properties, refining gene-editing efficiency, and developing personalized therapeutic strategies. The convergence of bioengineering and molecular science offers new hope for improving joint function and patient quality of life in osteoarthritis management.
Insights
New osteoarthritis therapies combine biomaterials and gene editing to improve joint function. These advanced treatments target molecular pathways, offering hope for cartilage repair and enhanced patient quality of life.
Area of Science:
- Biomedical Engineering
- Molecular Biology
- Regenerative Medicine
Background:
- Osteoarthritis (OA) is a degenerative joint disease causing pain and dysfunction.
- Current OA treatments offer limited relief and do not stop disease progression.
- Recent breakthroughs in biomaterials and gene editing present novel therapeutic avenues.
Purpose of the Study:
- To review key molecular pathways in osteoarthritis pathogenesis.
- To explore the potential of biomaterial-based interventions for OA.
- To discuss the application of gene-editing technologies in OA treatment.
Main Methods:
- Review of molecular signaling pathways (e.g., FGF, PI3K/Akt, BMP).
- Analysis of biomaterial applications (hydrogels, nanoparticles, scaffolds).
- Evaluation of CRISPR/Cas9 gene editing for OA-related genes.
Main Results:
- Identified key molecular pathways regulating chondrocyte function and inflammation in OA.
- Demonstrated potential of biomaterials for cartilage regeneration and drug delivery.
- Highlighted CRISPR/Cas9's promise for restoring cartilage integrity by modifying OA genes.
Conclusions:
- Integrating regenerative biomaterials with precision molecular therapies offers a novel approach to mitigate OA.
- Future research should focus on optimizing biomaterials, gene-editing efficiency, and personalized strategies.
- The convergence of bioengineering and molecular science provides new hope for OA management and patient outcomes.
