Vascularized Homeostasis: The Key to Orofacial Tissue-Engineered Organoid Construction

Area of Science:

• Regenerative Medicine
• Tissue Engineering
• Biomedical Engineering

Background:

• Tissue-engineered organoids offer significant potential for regenerative medicine applications.
• Insufficient vascularization is a primary obstacle hindering organoid functionalization and clinical translation.
• Effective vascular networks are critical for organoid scalability, long-term survival, and overall functionality.

Purpose of the Study:

• To review current advancements and persistent challenges in the vascularization of tissue-engineered organoids.
• To highlight the significance of vascularized homeostasis in sustaining long-term organoid function.
• To explore strategies for enhancing organoid repair potential and clinical applicability through improved vascularization.

Main Methods:

• Review of recent research strategies for reconstructing functional vasculature in organoids.
• Analysis of techniques including microfluidics, 3D bioprinting, self-assembly, and smart biomaterials.
• Examination of the concept of vascularized homeostasis for sustained organoid function.

Main Results:

• Current vascularization strategies face limitations such as poor structural stability and functional decline.
• Vascularized homeostasis is identified as a critical factor for long-term organoid viability and function.
• Despite progress, significant challenges remain for the clinical translation of vascularized organoids.

Conclusions:

• Addressing insufficient vascularization is paramount for advancing tissue-engineered organoids in regenerative medicine.
• Implementing principles of vascularized homeostasis can improve organoid repair and therapeutic potential.
• Further research is needed to overcome existing limitations and facilitate clinical applicability.