WFRF:(Backman Ludvig J.)
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Topographic Orientation of Scaffolds for Tissue Regeneration : Recent Advances in Biomaterial Design and Applications
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- Chi, Jiayu (author)
- School of Medicine, Southeast University, Nanjing, China
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- Wang, Mingyue (author)
- School of Medicine, Southeast University, Nanjing, China
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- Chen, Jialin (author)
- School of Medicine, Southeast University, Nanjing, China; Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing, China; China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, China
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- (creator_code:org_t)
- 2022-09-12
- 2022
- English.
- In: Biomimetics. - : MDPI. - 2313-7673. ; 7:3
- Research review (peer-reviewed)
Abstract
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- Tissue engineering to develop alternatives for the maintenance, restoration, or enhancement of injured tissues and organs is gaining more and more attention. In tissue engineering, the scaffold used is one of the most critical elements. Its characteristics are expected to mimic the native extracellular matrix and its unique topographical structures. Recently, the topographies of scaffolds have received increasing attention, not least because different topographies, such as aligned and random, have different repair effects on various tissues. In this review, we have focused on various technologies (electrospinning, directional freeze-drying, magnetic freeze-casting, etching, and 3-D printing) to fabricate scaffolds with different topographic orientations, as well as discussed the physicochemical (mechanical properties, porosity, hydrophilicity, and degradation) and biological properties (morphology, distribution, adhesion, proliferation, and migration) of different topographies. Subsequently, we have compiled the effect of scaffold orientation on the regeneration of vessels, skin, neural tissue, bone, articular cartilage, ligaments, tendons, cardiac tissue, corneas, skeletal muscle, and smooth muscle. The compiled information in this review will facilitate the future development of optimal topographical scaffolds for the regeneration of certain tissues. In the majority of tissues, aligned scaffolds are more suitable than random scaffolds for tissue repair and regeneration. The underlying mechanism explaining the various effects of aligned and random orientation might be the differences in “contact guidance”, which stimulate certain biological responses in cells.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Biomaterialvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Biomaterials Science (hsv//eng)
Keyword
- biomaterial
- biomimetics
- orientation
- scaffold
- tissue engineering
- tissue regeneration
- topography
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- Chi, Jiayu
- Wang, Mingyue
- Chen, Jialin
- Hu, Lizhi
- Chen, Zhixuan
- Backman, Ludvig ...
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- Zhang, Wei
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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- Articles in the publication
- Biomimetics
- By the university
- Umeå University
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