Hydrogel microfabrication technology toward three dimensional tissue engineering

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Tissue Engineering

Background:

• Biologically relevant three-dimensional (3D) tissue constructs are vital for organ transplantation alternatives and drug discovery assays.
• Advancements in hydrogel microfabrication and microfluidics enable precise 3D tissue construction and perfusion culture.

Purpose of the Study:

• To review hydrogel microfabrication technologies for in vitro reconstruction and cultivation of 3D tissues.
• To discuss current challenges and future perspectives in 3D tissue engineering.

Main Methods:

• Micromolding
• 3D bioprinting
• Photolithography
• Stereolithography
• Microfluidics for perfusion culture

Main Results:

• Hydrogel microfabrication techniques produce 3D tissue constructs with precise microstructures and biological functions.
• Microfluidics facilitates the development of vascularized 3D tissue constructs through perfusion culture.

Conclusions:

• Hydrogel microfabrication and microfluidics are key technologies for advancing 3D tissue engineering.
• Addressing current challenges is essential for future progress in regenerative medicine and drug development.