Organ bioprinting: progress, challenges and outlook.

Area of Science:

• Bioprinting and Regenerative Medicine
• Tissue Engineering
• Organ Fabrication

Background:

• Organ transplantation faces a critical shortage of donors.
• Bioprinting offers a potential solution by fabricating functional organs.
• Existing bioprinting technologies enable complex tissue structures with cellular diversity.

Purpose of the Study:

• To review current achievements in 3D organ bioprinting.
• To discuss challenges in cellular, biomanufacturing, and maturation techniques.
• To explore future integration of bioprinting with emerging technologies.

Main Methods:

• Review of current literature on 3D organ bioprinting.
• Focus on bioprinting advancements for the heart, kidneys, liver, pancreas, and lungs.
• Analysis of challenges and future prospects in organ bioprinting.

Main Results:

• Considerable progress has been made in bioprinting transplantable tissues and organs.
• Key challenges include cellular techniques, biomanufacturing processes, and organ maturation.
• Integration with machine learning, organoids, and microfluidics shows promise.

Conclusions:

• 3D bioprinting is a promising technology for regenerative medicine and addressing organ shortages.
• Overcoming current challenges is crucial for the broad application of organ bioprinting.
• Future advancements will likely involve synergistic integration with other cutting-edge technologies.