Huiquan Wu, Feng Xu, Hang Jin, Mingcheng Xue, Wangzihan Zhang, Jianhui Yang, Junyi Huang, Yuqing Jiang, Bin Qiu, Bin Lin, Qiang Gao, Songyue Chen* and Daoheng Sun*,
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引用次数: 0
Abstract
Three-dimensional (3D) bioprinting technology stands out as a promising tissue manufacturing process to control the geometry precisely with cell-loaded bioinks. However, the isotropic culture environment within the bioink and the lack of topographical cues impede the formation of oriented cardiac tissue. To overcome this limitation, we present a novel method named 3D nanofiber-assisted embedded bioprinting (3D-NFEP) to fabricate cardiac tissue with an oriented morphology. Aligned 3D nanofiber scaffolds were fabricated by divergence electrospinning, which provided structural support for printing of the low-viscosity bioink and structural induction to cardiomyocytes. Cells adhered to the aligned fibers after hydrogel degradation, and a high degree of cell alignment was observed. This technology was also demonstrated as a feasible solution for multilayer cell printing. Therefore, 3D-NFEP was demonstrated as a promising method for bioprinting oriented cardiac tissue with low-viscosity bioink and is expected to be applied for structured and cardiac tissue engineering.
期刊介绍：
ACS Biomaterials Science & Engineering is the leading journal in the field of biomaterials, serving as an international forum for publishing cutting-edge research and innovative ideas on a broad range of topics:
Applications and Health – implantable tissues and devices, prosthesis, health risks, toxicology
Bio-interactions and Bio-compatibility – material-biology interactions, chemical/morphological/structural communication, mechanobiology, signaling and biological responses, immuno-engineering, calcification, coatings, corrosion and degradation of biomaterials and devices, biophysical regulation of cell functions
Characterization, Synthesis, and Modification – new biomaterials, bioinspired and biomimetic approaches to biomaterials, exploiting structural hierarchy and architectural control, combinatorial strategies for biomaterials discovery, genetic biomaterials design, synthetic biology, new composite systems, bionics, polymer synthesis
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Tissue Engineering and Regenerative Medicine – basic and applied studies, cell therapies, scaffolds, vascularization, bioartificial organs, transplantation and functionality, cellular agriculture
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