Advances in Cartilage Tissue Engineering Using Bioinks with Decellularized Cartilage and Three-Dimensional Printing

Area of Science:

• Biomedical Engineering
• Regenerative Medicine
• Tissue Engineering

Background:

• Osteoarthritis is a leading cause of disability, affecting 250 million people globally.
• Current treatments for osteoarthritis and joint disease require significant improvement.
• There is a critical need for effective cartilage repair and regeneration strategies.

Purpose of the Study:

• To review emerging technologies in three-dimensional (3D) bioprinting for cartilage tissue engineering.
• To discuss the potential of decellularized extracellular matrix (dECM)-bioink composites for cartilage regeneration.
• To highlight challenges and future directions in developing improved osteoarthritis treatments.

Main Methods:

• Overview of bioprinting technologies and cartilage structure.
• Discussion of decellularization techniques and bioink properties.
• Analysis of recent advancements in dECM-bioink composite development.

Main Results:

• 3D bioprinting with dECM-bioink composites presents an innovative strategy for cartilage regeneration.
• Optimized tissue engineering approaches using these novel bioinks show potential for promoting cartilage repair.
• The review synthesizes current knowledge on dECM-based bioinks for cartilage repair.

Conclusions:

• 3D bioprinting using dECM-bioink composites is a promising avenue for enhancing cartilage repair and regeneration.
• Further research and development are needed to overcome challenges and translate these findings into clinical applications.
• This approach offers potential for innovative improvements in osteoarthritis treatment.