Advanced Polymers for Three-Dimensional (3D) Organ Bioprinting

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Tissue Engineering

Background:

• Three-dimensional (3D) organ bioprinting offers solutions for organ transplantation, drug screening, and pathological analysis.
• Integrating diverse cells and biomaterials into functional 3D constructs is a key challenge in bioprinting bioartificial organs.
• Polymers, both natural and synthetic, are vital for creating vascular and neural networks within 3D bioprinted tissues.

Purpose of the Study:

• To review advanced polymers suitable for 3D organ bioprinting.
• To highlight polymers with excellent biocompatibility, biodegradability, printability, and structural stability.
• To outline challenges and future perspectives for polymer application in bioprinting complex organs.

Main Methods:

• Literature review of advanced polymers for 3D organ bioprinting.
• Analysis of polymer properties relevant to bioartificial organ fabrication.
• Discussion of polymer roles in hierarchical vascular and neural network formation.

Main Results:

• Several advanced polymers possess desirable properties for 3D bioprinting, including biocompatibility and printability.
• These polymers facilitate the formation of complex hierarchical vascular and neural networks essential for organ function.
• The selection of appropriate polymers is critical for the successful bioprinting of various organs.

Conclusions:

• Advanced polymers are indispensable for the development of functional bioartificial organs through 3D bioprinting.
• Continued research into polymer properties will drive innovation in fabricating complex organs like the liver, heart, and brain.
• Overcoming current challenges in polymer application will accelerate progress in regenerative medicine and organ transplantation.