Strategies to decouple cell micro-scale and macro-scale environments for designing multifunctional biomimetic tissues

Area of Science:

• Tissue Engineering
• Biomaterials Science
• Cellular Biology

Background:

• Regulating cellular behavior in three-dimensional (3D) environments for specific functions is a key challenge in tissue engineering.
• Native tissues exhibit complex 3D modular units with biochemical and biophysical cues orchestrating cellular activities.
• Current tissue engineering approaches struggle to replicate this native complexity.

Purpose of the Study:

• To review advancements in decoupling cellular micro-scale niches from their macroenvironment.
• To evaluate the impact of this decoupling strategy on cellular and tissue functionality.
• To highlight the potential of modular tissue engineering for creating complex, functional tissues.

Main Methods:

• Overview of recent research in modular tissue engineering strategies.
• Analysis of biomaterials designed for creating functional building blocks.
• Evaluation of techniques for controlling cellular microenvironments independently of the macro-scale surroundings.

Main Results:

• Modular approaches enable the creation of functional building blocks with unique stimulation features.
• Decoupling microenvironments allows for enhanced control over cellular behavior and tissue development.
• Engineered tissues demonstrate improved multifunctionality and heterogeneity through this strategy.

Conclusions:

• Modular tissue engineering offers a promising strategy to overcome limitations in current tissue regeneration.
• By controlling cellular microenvironments, complex and functional engineered tissues can be developed.
• This approach holds significant potential for advancing regenerative medicine and creating patient-specific therapies.