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Sompunga P, Rodprasert W, Srisuwatanasagul S, Techangamsuwan S, Jirajessada S, Hanchaina R, Kangsamaksin T, Yodmuang S, Sawangmake C. Preparation of Decellularized Tissue as Dual Cell Carrier Systems: A Step Towards Facilitating Re-epithelization and Cell Encapsulation for Tracheal Reconstruction. Ann Biomed Eng 2024; 52:1222-1239. [PMID: 38353908 DOI: 10.1007/s10439-024-03448-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 01/09/2024] [Indexed: 04/06/2024]
Abstract
Surgical treatment of tracheal diseases, trauma, and congenital stenosis has shown success through tracheal reconstruction coupled with palliative care. However, challenges in surgical-based tracheal repairs have prompted the exploration of alternative approaches for tracheal replacement. Tissue-based treatments, involving the cultivation of patient cells on a network of extracellular matrix (ECM) from donor tissue, hold promise for restoring tracheal structure and function without eliciting an immune reaction. In this study, we utilized decellularized canine tracheas as tissue models to develop two types of cell carriers: a decellularized scaffold and a hydrogel. Our hypothesis posits that both carriers, containing essential biochemical niches provided by ECM components, facilitate cell attachment without inducing cytotoxicity. Canine tracheas underwent vacuum-assisted decellularization (VAD), and the ECM-rich hydrogel was prepared through peptic digestion of the decellularized trachea. The decellularized canine trachea exhibited a significant reduction in DNA content and major histocompatibility complex class II, while preserving crucial ECM components such as collagen, glycosaminoglycan, laminin, and fibronectin. Scanning electron microscope and fluorescent microscope images revealed a fibrous ECM network on the luminal side of the cell-free trachea, supporting epithelial cell attachment. Moreover, the ECM-rich hydrogel exhibited excellent viability for human mesenchymal stem cells encapsulated for 3 days, indicating the potential of cell-laden hydrogel in promoting the development of cartilage rings of the trachea. This study underscores the versatility of the trachea in producing two distinct cell carriers-decellularized scaffold and hydrogel-both containing the native biochemical niche essential for tracheal tissue engineering applications.
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Affiliation(s)
- Pensuda Sompunga
- Medical Sciences Program, Faculty of Medicine, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand
| | - Watchareewan Rodprasert
- Veterinary Stem Cell and Bioengineering Innovation Center (VSCBIC), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
- Veterinary Stem Cell and Bioengineering Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sayamon Srisuwatanasagul
- Department of Anatomy, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand
| | - Somporn Techangamsuwan
- Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand
| | - Sirinee Jirajessada
- Biology Program, Faculty of Science, Buriram Rajabhat University, Muang, Buriram, 31000, Thailand
| | - Rattanavinan Hanchaina
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | - Thaned Kangsamaksin
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | - Supansa Yodmuang
- Research Affairs, Faculty of Medicine, Chulalongkorn University, Ananda Mahidol Building, 1873 Rama 4 Rd, Pathumwan, Bangkok, 10330, Thailand.
- Center of Excellence in Biomaterial Engineering for Medical and Health, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand.
- Clinical Excellence Center for Advanced Therapy Medicinal Products, King Chulalongkorn Memorial Hospital, Pathumwan, Bangkok, 10330, Thailand.
- Avatar Biotech for Oral Health & Healthy Longevity Research Unit, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand.
| | - Chenphop Sawangmake
- Veterinary Stem Cell and Bioengineering Innovation Center (VSCBIC), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.
- Veterinary Stem Cell and Bioengineering Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.
- Department of Pharmacology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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Zhou M, Zhong LL, Huang H, Lin L, Chen M, Ding XF. [The role of bronchoscopy in slide tracheoplasty in children]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2023; 25:527-533. [PMID: 37272181 DOI: 10.7499/j.issn.1008-8830.2211012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVES To study the role of bronchoscopy in slide tracheoplasty. METHODS A retrospective analysis was conducted on the diagnosis and treatment of four children with tracheal stenosis admitted to Hunan Provincial People's Hospital from 2017 to 2020. The role of bronchoscopy was summarized in the preoperative evaluation, intraoperative positioning and measurement, and postoperative wound evaluation and treatment during slide tracheoplasty. RESULTS Bronchoscopy evaluation before slide tracheoplasty showed that 3 of the 4 children had complete trachea rings, 2 had pulmonary artery sling, and 2 had multiple stenosis. Slide tracheoplasty was performed in the hospital on 3 children, and the midpoint of the stenosis segment was judged under bronchoscopy, and the length of the stenosis segment was measured, which assisted in the resection of the stenosis segment of the trachea. The pathogens were identified by lavage after the surgery. One child who developed scar traction 9 months after slide tracheoplasty in another hospital was improved by interventional treatment under bronchoscopy. Mucosal changes were found under bronchoscopy in 2 children 4 days after surgery, and the treatment plan was adjusted. One month after surgery, 2 children had granulation hyperplasia, which was improved by cryotherapy under bronchoscopy. One child abandoned treatment due to anastomotic necrosis and died. Three survivors were followed up for over 6 months with good prognosis, but all had tracheobronchial malacia. CONCLUSIONS Bronchoscopy can be used for the management of slide tracheoplasty in children with tracheal stenosis, which is helpful to postoperative rehabilitation and follow-up.
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Affiliation(s)
- Miao Zhou
- Children's Medical Center, Hunan Provincial People's Hospital, Changsha 410000, China
| | - Li-Li Zhong
- Children's Medical Center, Hunan Provincial People's Hospital, Changsha 410000, China
| | - Han Huang
- Children's Medical Center, Hunan Provincial People's Hospital, Changsha 410000, China
| | - Lin Lin
- Children's Medical Center, Hunan Provincial People's Hospital, Changsha 410000, China
| | - Min Chen
- Children's Medical Center, Hunan Provincial People's Hospital, Changsha 410000, China
| | - Xiao-Fang Ding
- Children's Medical Center, Hunan Provincial People's Hospital, Changsha 410000, China
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