Organoid Vascularization: Strategies and Applications

Area of Science:

• Biomedical Engineering
• Tissue Engineering
• Regenerative Medicine

Background:

• Organoids are 3D tissue models vital for biomedical research.
• Vascular networks in organoids are essential for nutrient/oxygen supply and waste removal, supporting growth and maturation.
• Functional vascularization is key for organoid viability and clinical translation, but current limitations hinder progress.

Purpose of the Study:

• To review the development of vascularized organoids.
• To examine mechanisms of angiogenesis and vasculogenesis in organoid vascularization.
• To analyze construction strategies, applications, and emerging techniques for organoid vascularization.

Main Methods:

• Review of existing literature on organoid vascularization.
• Categorization of vascularization approaches into in vivo and in vitro methods.
• Discussion of emerging techniques like bioprinting and gene editing.

Main Results:

• Vascularized organoids offer insights into tissue interactions and promote regeneration.
• Limitations in current vascularization techniques impede organoid growth, viability, and clinical translation.
• In vivo and in vitro methods have distinct advantages and limitations for organoid vascularization.

Conclusions:

• Advances in organoid vascularization hold promise for modeling diseases and developing therapies.
• Bioprinting and gene editing are emerging techniques to enhance vascularization and functional integration.
• Improved vascularization is critical for advancing organoid-based translational research and therapies.