Engineering Stem Cell Self-organization to Build Better Organoids.

Area of Science:

• Biotechnology
• Developmental Biology
• Tissue Engineering

Background:

• Organoids self-organize from stem cells, mimicking in-vivo development but often lack physiological shape, size, and function.
• Current tissue engineering methods struggle to match the complexity of self-organized in vitro tissues.
• The precise mechanisms controlling stem cell self-organization and pattern formation remain poorly understood.

Purpose of the Study:

• To discuss engineering strategies for guiding stem cell self-organization.
• To enhance the physiological relevance, complexity, and robustness of engineered organoids.
• To improve the function and lifespan of self-organized multicellular systems.

Main Methods:

• Review and discussion of engineering approaches applied at multiple developmental stages of stem cell self-organization.
• Analysis of how guided self-organization can overcome limitations of current organoid models.
• Conceptual framework for rationally designing self-organizing multicellular systems.

Main Results:

• Engineering interventions can direct stem cell self-organization towards desired outcomes.
• Guided self-organization offers a pathway to create organoids with improved physiological relevance.
• Potential to increase the complexity, function, and lifespan of engineered tissues.

Conclusions:

• Engineering efforts are crucial for harnessing the self-organization potential of stem cells.
• Rational design of self-organizing systems can lead to more robust and physiologically accurate organoids.
• This approach promises to advance regenerative medicine and developmental biology research.