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Instant trachea reconstruction using 3D-bioprinted C-shape biomimetic trachea based on tissue-specific matrix hydrogels

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收录情况: ◇ SCIE ◇ CSCD-C ◇ 卓越:高起点新刊

机构: [1]Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering, Shanghai, 200011, PR China. [2]Research Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong, 261053, PR China. [3]National Tissue Engineering Center of China, Shanghai, 200241, PR China. [4]Institute of Regenerative Medicine and Orthopedics, Institutes of Health Central Plain, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China. [5]Morphology and Spatial Multi-omics Technology Platform, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, PR China. [6]Department of Plastic Surgery, Tongren Hospital Shanghai Jiao Tong University School of Medicine, Shanghai, 200050, PR China.
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关键词: Trachea reconstruction 3D-bioprinting Hydrogels Biomimetic architecture

摘要:
Currently, 3D-bioprinting technique has emerged as a promising strategy to offer native-like tracheal substitutes for segmental trachea reconstruction. However, there has been very limited breakthrough in tracheal repair using 3D-bioprinted biomimetic trachea owing to the lack of ideal bioinks, the requirement for precise structural biomimicking, and the complexity of multi-step surgical procedures by mean of intramuscular pre-implantation. Herein, we propose a one-step surgical technique, namely direct end-to-end anastomosis using C-shape 3D-bioprinted biomimetic trachea, for segmental trachea defect repair. First, two types of tissue-specific matrix hydrogels were exploited to provide mechanical and biological microenvironment conducive to the specific growth ways of cartilage and fibrous tissue respectively. In contrast to our previous O-shape tracheal design, the tubular structure of alternating C-shape cartilage rings and connecting vascularized-fibrous-tissue rings was meticulously designed for rapid 3D-bioprinting of tracheal constructs with optimal printing paths and models. Furthermore, in vivo trachea regeneration in nude mice showed satisfactory mechanical adaptability and efficient physiological regeneration. Finally, in situ segmental trachea reconstruction by direct end-to-end anastomosis in rabbits was successfully achieved using 3D-bioprinted C-shape biomimetic trachea. This study demonstrates the potential of advanced 3D-bioprinting for instant and efficient repair of segmental trachea defects.© 2023 The Authors.

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出版当年[2023]版:
大类 | 1 区 医学
小类 | 1 区 工程:生物医学 1 区 材料科学:生物材料
最新[2023]版:
大类 | 1 区 医学
小类 | 1 区 工程:生物医学 1 区 材料科学:生物材料
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出版当年[2022]版:
Q1 ENGINEERING, BIOMEDICAL Q1 MATERIALS SCIENCE, BIOMATERIALS
最新[2023]版:
Q1 ENGINEERING, BIOMEDICAL Q1 MATERIALS SCIENCE, BIOMATERIALS

影响因子: 最新[2023版] 最新五年平均 出版当年[2022版] 出版当年五年平均 出版前一年[2021版] 出版后一年[2023版]

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第一作者机构: [1]Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering, Shanghai, 200011, PR China. [2]Research Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong, 261053, PR China. [3]National Tissue Engineering Center of China, Shanghai, 200241, PR China.
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通讯机构: [1]Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering, Shanghai, 200011, PR China. [2]Research Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong, 261053, PR China. [3]National Tissue Engineering Center of China, Shanghai, 200241, PR China. [4]Institute of Regenerative Medicine and Orthopedics, Institutes of Health Central Plain, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China. [*1]Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering, Shanghai, 200011, PR China.
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