Multicellular Biohybrid Materials: Probing the Interplay of Cells of Different Types Precisely Positioned and...

Area of Science:

• Biohybrid systems
• Microtechnology
• Cellular engineering

Background:

• Miniaturization trends drive demand for integrated microsystems.
• Biological cells offer unique sensing and actuation capabilities for biohybrid systems.
• Maintaining cell arrangement is crucial for multicellular biohybrid system functionality.

Purpose of the Study:

• Investigate fundamental cell-structure interactions governing cell migration and extension.
• Develop a method for fabricating advanced multicellular biohybrid materials.
• Understand how microscaffolds can guide cell behavior.

Main Methods:

• Fabrication of wireframe-like 3D microstructures.
• Positioning and arrangement of multiple cell types using optical manipulation.
• Experimental analysis of cell dynamics and migration on microstructures.

Main Results:

• Identified geometry-dependent maximal migration and extension distances for cells.
• Demonstrated successful positioning and arrangement of diverse cell types.
• Showcased microscaffolds guiding cell migration and promoting structure-contained growth.

Conclusions:

• Cell-structure interactions on 3D microscaffolds are key to controlling cell assembly.
• Designed microscaffolds can maintain predetermined cell arrangements.
• This work is a foundational step towards developing sophisticated multicellular biohybrid materials.