Bioengineering methods for vascularizing organoids.

Area of Science:

• Biomedical Engineering
• Stem Cell Biology
• Regenerative Medicine

Background:

• Organoids are 3D stem cell-derived structures valuable for research.
• Lack of vascularization limits organoid function and translational potential.
• Vascular networks are crucial for mimicking in vivo organ complexity.

Purpose of the Study:

• To review bioengineering strategies for organoid vascularization.
• To examine biological principles guiding vascularization approaches.
• To envision future advancements in organoid model development.

Main Methods:

• Co-culturing organoids with vascular cells or vascular organoids.
• Co-differentiation of stem cells into organ and vascular lineages.
• Organoid-on-a-chip technology and 3D bioprinting for perfusable vasculature.

Main Results:

• Multiple bioengineering methods exist for organoid vascularization.
• These strategies aim to create integrated and perfusable vascular networks.
• Advancements are enabling more sophisticated and in vivo-like organoid models.

Conclusions:

• Organoid vascularization is key to unlocking their full potential.
• Integration of stem cell biology, biomaterials, and fabrication is crucial.
• Improved organoid models will accelerate biomedical discovery and innovation.