Multi-material 3D bioprinting of human stem cells to engineer complex human corneal structures with stroma and epithelium

Q1 Computer Science
P. Puistola , S. Huhtanen , K. Hopia , S. Miettinen , A. Mörö , H. Skottman
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引用次数: 0

Abstract

Developing cost-effective and scalable multi-material bioprinting technologies that combine multiple cell types is crucial to produce biomimetic, complex human tissue substitutes and overcome the scarcity of transplantable tissues. These technological developments can revolutionize the treatment of several conditions currently dependent on donor tissues, such as corneal blindness. Here, corneal structures consisting of two layers, stroma and epithelium, were manufactured by extrusion-based 3D bioprinting. To take steps towards clinical translation of bioprinting, three clinically compatible hyaluronic acid based bioinks were combined with human adipose tissue and induced pluripotent stem cell derived cell types. Each of the three bioinks was customized to suit the needs of different cells and to provide mechanical stability for the bioprinted structure. Along with offering a 3D environment with excellent cytocompatibility, these bioprinted corneal structures facilitated cellular interactions and network formation, which are essential for creating functional tissue substitutes. Consequently, this study provides important insight on how to bring together the technical aspects of multi-material bioprinting as well as the biological relevance and scalability of the bioprinted constructs, advancing the field of additive manufacturing for clinical applications.

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来源期刊
Bioprinting
Bioprinting Computer Science-Computer Science Applications
CiteScore
11.50
自引率
0.00%
发文量
72
审稿时长
68 days
期刊介绍: Bioprinting is a broad-spectrum, multidisciplinary journal that covers all aspects of 3D fabrication technology involving biological tissues, organs and cells for medical and biotechnology applications. Topics covered include nanomaterials, biomaterials, scaffolds, 3D printing technology, imaging and CAD/CAM software and hardware, post-printing bioreactor maturation, cell and biological factor patterning, biofabrication, tissue engineering and other applications of 3D bioprinting technology. Bioprinting publishes research reports describing novel results with high clinical significance in all areas of 3D bioprinting research. Bioprinting issues contain a wide variety of review and analysis articles covering topics relevant to 3D bioprinting ranging from basic biological, material and technical advances to pre-clinical and clinical applications of 3D bioprinting.
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