Abstract
The field of tissue engineering has been long seeking to develop functional muscle tissue that closely resembles natural muscle. This study used a bio-inspired assembly based on the surface tension mechanism to develop a novel method for engineering muscle tissue. This approach enabled uniaxially ordered electrospun fibers to naturally collide into an aligned bundle without the need for manual handling, thereby reducing cell damage during the cell culture procedure. During the assembly procedure, C2C12 myoblasts were cultured in a viscous collagen hydrogel that caused wetting while providing adequate structural stability for the cell-fiber construct. In addition, gene expression analysis of the resulting muscle-like fibril bundle revealed improved myogenic differentiation. These findings highlight the potential of using a collagen hydrogel and the surface tension mechanism to construct biologically relevant muscle tissue, offering a promising strategy that may outperform existing approaches. Overall, this study contributes to the development of advanced tissue engineering methods and brings us a step closer to creating functional muscle tissue for therapeutic and regenerative medicine applications.
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