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Wang H, Zhen Z, Qin D, Liu Y, Liu Y, Chen X. Effect and mechanism of natural composite hydrogel from fish scale intercellular matrix on diabetic chronic wound repair. Colloids Surf B Biointerfaces 2024; 240:113991. [PMID: 38815311 DOI: 10.1016/j.colsurfb.2024.113991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/09/2024] [Accepted: 05/25/2024] [Indexed: 06/01/2024]
Abstract
Diabetes mellitus is a chronic metabolic disease with prolonged low-grade inflammation and impaired cellular function, leading to poor wound healing. The treatment of diabetic wounds remains challenging due to the complex wound microenvironment. In view of the prominence of fish scales in traditional Chinese medicine and their wide application in modern medicine, we isolated the intercellular components in the scales of sea bass, obtained a natural composite hydrogel, fish scales gel (FSG), and applied it to diabetic chronic wounds. FSG was rich in collagen-like proteins, and possessed low-temperature gelation properties. In vitro, FSG was biocompatible and promoted fibroblast proliferation by approximately 40 %, endothelial cell migration by approximately 20 % and activated the M1 macrophages. In addition, FSG restored the function of fibroblasts and vascular endothelial cells damaged by high glucose. Importantly, FSG normalized the acute inflammatory response to impaired macrophages in a high-glucose microenvironment. Transcriptome analysis implies that this mechanism may involve enhanced cell signaling and cellular communication, improved sensitivity to cytokines, and activation of the TNF signaling pathway. Animal experiments confirmed that FSG significantly improved wound closure by approximately 15 % in diabetic rats, showing similar effects to acute wounds. In conclusion, the regulation of multiple cellular functions by FSG, especially the counterintuitive ability to induce acute inflammation, promoted diabetic wound healing and provides a novel therapeutic strategy for wound repair in diabetic patients.
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Affiliation(s)
- Haonan Wang
- College of Marine Life Science, Sanya Oceanographic Institution, Ocean University of China, Qingdao 266003, China
| | - Zhanghe Zhen
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Di Qin
- College of Marine Life Science, Sanya Oceanographic Institution, Ocean University of China, Qingdao 266003, China
| | - Yixuan Liu
- College of Marine Life Science, Sanya Oceanographic Institution, Ocean University of China, Qingdao 266003, China
| | - Ya Liu
- College of Marine Life Science, Sanya Oceanographic Institution, Ocean University of China, Qingdao 266003, China
| | - Xiguang Chen
- College of Marine Life Science, Sanya Oceanographic Institution, Ocean University of China, Qingdao 266003, China; Laoshan Laboratory, Qingdao 266237, China.
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Alba B, Weinstein B, Arnold SH, Jacobs KM, Schechter L. The Use of Acellular Tissue Matrices in Gender-Affirming Surgery: Review of the Literature and Institutional Experience. Adv Biol (Weinh) 2023:e2300507. [PMID: 38053238 DOI: 10.1002/adbi.202300507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/14/2023] [Indexed: 12/07/2023]
Abstract
Wound healing complications are not uncommon after genital gender-affirming surgery and can pose significant challenges for the reconstructive surgeon. Acellular tissue matrices are products that contain extracellular matrix compounds without living cells and are used to expedite and improve wound healing. Some of these products have been described for a variety of different indications in gender-affirming surgery. In this paper, the authors present a review of the current literature on the use of acellular tissue matrices in gender-affirming surgery as well as the authors' institutional experience in using these products.
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Affiliation(s)
- Brandon Alba
- Division of Plastic and Reconstructive Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Brielle Weinstein
- Department of Plastic Surgery, University of South Florida, Tampa, FL, 33606, USA
| | - Sydney H Arnold
- Division of Plastic and Reconstructive Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Kristin M Jacobs
- Division of Plastic and Reconstructive Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Loren Schechter
- Division of Plastic and Reconstructive Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
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Lingyan L, Han Z, Jialu L, Bingyang H, Yuanyuan M, Peiwei Q, Peifen M, Liwei X. Acellular Dermal Matrix for Treatment of Diabetic Foot Ulcer: An Overview of Systematic Reviews. INT J LOW EXTR WOUND 2023:15347346231201696. [PMID: 38018121 DOI: 10.1177/15347346231201696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Aims: To evaluate the reliability of the methodological quality and outcome measures of systematic reviews (SRs)/metaanalyses (MAs) of the acellular dermal matrix (ADM) for diabetic foot ulcer (DFU). Methods: We searched and retrieved SRs and MAs on the application of ADM for DFU from PubMed, Web of Science, The Cochrane Library, EMBASE, CNKI, CBM, WanFang, and VIP databases. We employed AMSTAR 2 to assess methodological quality, Grading of Recommendations, Assessment, Development and Evaluation (GRADE) system to grade, and the strength of evidence of included SRs/MAs. We excluded the overlapping randomized controlled trials (RCTs) and conducted a re-MA of the primary RCTs. Results: A total of 7 SRs/MAs were included. Results from the AMSTAR 2 evaluation revealed a low overall quality; the GRADE system showed that the evidence was of moderate to very low quality. Our re-MA showed that ADM was superior to standard of care (SOC), with regards to complete wound healing rate at 12 weeks (RR = 1.74, 95% CI:1.34-2.25, P < .0001), complete wound healing rate at 16 weeks (RR = 1.50, 95% CI: 1.26-1.77, P < .00001); healing time (MD = -2.06, 95% CI: -2.57 to -1.54, P < .00001) and adverse events (RR = 0.62, 95% CI: 0.49-0.80, P = .0002). However, a consensus has not yet been reached between ADM and SOC groups with regard to outcome indicators of the reduction of ulcer area and quality of life; and subgroup analyses showed no statistically significant differences between the xenograft ADM and SOC groups (RR = 1.36, 95% CI: 0.95-1.93, P = .09) at 12 weeks. Conclusion: Current evidence suggests that ADM is more effective than the standard of care in the treatment of DFU, particularly for full-thickness, noninfected, and nonischemic foot ulcers, but with low evidence quality. Therefore, the results of this overview should be interpreted dialectically and prudently, and the role of ADM in DFU needs further exploration.
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Affiliation(s)
- Li Lingyan
- School of Nursing, Lanzhou University, Lanzhou, Gansu Province, P. R. China
| | - Zhao Han
- School of Nursing, Lanzhou University, Lanzhou, Gansu Province, P. R. China
| | - Li Jialu
- School of Nursing, Lanzhou University, Lanzhou, Gansu Province, P. R. China
| | - He Bingyang
- School of Nursing, Lanzhou University, Lanzhou, Gansu Province, P. R. China
| | - Ma Yuanyuan
- School of Nursing, Lanzhou University, Lanzhou, Gansu Province, P. R. China
| | - Qin Peiwei
- School of Nursing, Lanzhou University, Lanzhou, Gansu Province, P. R. China
| | - Ma Peifen
- School of Nursing, Lanzhou University, Lanzhou, Gansu Province, P. R. China
- Department of Nursing, The Second Hospital of Lanzhou University, Lanzhou, Gansu Province, P. R. China
| | - Xu Liwei
- Department of Burns, The Second Hospital of Lanzhou University, Lanzhou, Gansu Province, P. R. China
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