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Amengual-Tugores AM, Ráez-Meseguer C, Forteza-Genestra MA, Monjo M, Ramis JM. Extracellular Vesicle-Based Hydrogels for Wound Healing Applications. Int J Mol Sci 2023; 24:ijms24044104. [PMID: 36835516 PMCID: PMC9967521 DOI: 10.3390/ijms24044104] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Hydrogels and extracellular vesicle-based therapies have been proposed as emerging therapeutic assets in wound closure. The combination of these elements has given good results in managing chronic and acute wounds. The intrinsic characteristics of the hydrogels in which the extracellular vesicles (EVs) are loaded allow for overcoming barriers, such as the sustained and controlled release of EVs and the maintenance of the pH for their conservation. In addition, EVs can be obtained from different sources and through several isolation methods. However, some barriers must be overcome to transfer this type of therapy to the clinic, for example, the production of hydrogels containing functional EVs and identifying long-term storage conditions for EVs. The aim of this review is to describe the reported EV-based hydrogel combinations, along with the obtained results, and analyze future perspectives.
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Affiliation(s)
- Andreu Miquel Amengual-Tugores
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands (UIB), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
| | - Carmen Ráez-Meseguer
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands (UIB), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
| | - Maria Antònia Forteza-Genestra
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands (UIB), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
| | - Marta Monjo
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands (UIB), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
- Departament de Biologia Fonamental i Ciències de la Salut, University of the Balearic Islands (UIB), 07122 Palma, Spain
- Correspondence: (M.M.); (J.M.R.); Tel.: +34-971-25-96-07 (J.M.R.)
| | - Joana M. Ramis
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands (UIB), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
- Departament de Biologia Fonamental i Ciències de la Salut, University of the Balearic Islands (UIB), 07122 Palma, Spain
- Correspondence: (M.M.); (J.M.R.); Tel.: +34-971-25-96-07 (J.M.R.)
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Leite CDS, Bonafé GA, Pires OC, dos Santos TW, Pereira GP, Pereira JA, Rocha T, Martinez CAR, Ortega MM, Ribeiro ML. Dipotassium Glycyrrhizininate Improves Skin Wound Healing by Modulating Inflammatory Process. Int J Mol Sci 2023; 24:ijms24043839. [PMID: 36835248 PMCID: PMC9965141 DOI: 10.3390/ijms24043839] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/06/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
Wound healing is characterized by a systemic and complex process of cellular and molecular activities. Dipotassium Glycyrrhizinate (DPG), a side product derived from glycyrrhizic acid, has several biological effects, such as being antiallergic, antioxidant, antibacterial, antiviral, gastroprotective, antitumoral, and anti-inflammatory. This study aimed to evaluate the anti-inflammatory effect of topical DPG on the healing of cutaneous wounds by secondary intention in an in vivo experimental model. Twenty-four male Wistar rats were used in the experiment, and were randomly divided into six groups of four. Circular excisions were performed and topically treated for 14 days after wound induction. Macroscopic and histopathological analyses were performed. Gene expression was evaluated by real-time qPCR. Our results showed that treatment with DPG caused a decrease in the inflammatory exudate as well as an absence of active hyperemia. Increases in granulation tissue, tissue reepithelization, and total collagen were also observed. Furthermore, DPG treatment reduced the expression of pro-inflammatory cytokines (Tnf-α, Cox-2, Il-8, Irak-2, Nf-kB, and Il-1) while increasing the expression of Il-10, demonstrating anti-inflammatory effects across all three treatment periods. Based on our results, we conclude that DPG attenuates the inflammatory process by promoting skin wound healing through the modulation of distinct mechanisms and signaling pathways, including anti-inflammatory ones. This involves modulation of the expression of pro- and anti-inflammatory cytokine expression; promotion of new granulation tissue; angiogenesis; and tissue re-epithelialization, all of which contribute to tissue remodeling.
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Affiliation(s)
- Camila dos Santos Leite
- Laboratory of Immunopharmacology and Molecular Biology, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Gabriel Alves Bonafé
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Oscar César Pires
- Laboratory of Pharmacology, Taubaté University (UNITAU), Taubaté, São Paulo 12030-180, Brazil
| | - Tanila Wood dos Santos
- Laboratory of Immunopharmacology and Molecular Biology, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Geovanna Pacciulli Pereira
- Department of Surgery and Proctology, São Francisco University (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - José Aires Pereira
- Department of Surgery and Proctology, São Francisco University (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Thalita Rocha
- Postgraduate Program in Biomaterials and Regenerative Medicine, Faculty of Medical Sciences and Health, Pontifical Catholic University of São Paulo, São Paulo 05014-901, Brazil
| | - Carlos Augusto Real Martinez
- Department of Surgery and Proctology, São Francisco University (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Manoela Marques Ortega
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Marcelo Lima Ribeiro
- Laboratory of Immunopharmacology and Molecular Biology, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
- Correspondence:
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53
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Zhang KW, Jia Y, Li YY, Guo DY, Li XX, Hu K, Qian XX, Chen ZH, Wu JJ, Yuan ZD, Yuan FL. LEP and LEPR are possibly a double-edged sword for wound healing. J Cell Physiol 2023; 238:355-365. [PMID: 36571294 DOI: 10.1002/jcp.30936] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 12/05/2022] [Accepted: 12/13/2022] [Indexed: 12/27/2022]
Abstract
Wound healing is a complex and error-prone process. Wound healing in adults often leads to the formation of scars, a type of fibrotic tissue that lacks skin appendages. Hypertrophic scars and keloids can also form when the wound-healing process goes wrong. Leptin (Lep) and leptin receptors (LepRs) have recently been shown to affect multiple stages of wound healing. This effect, however, is paradoxical for scarless wound healing. On the one hand, Lep exerts pro-inflammatory and profibrotic effects; on the other hand, Lep can regulate hair follicle growth. This paper summarises the role of Lep and LepRs on cells in different stages of wound healing, briefly introduces the process of wound healing and Lep and LepRs, and examines the possibility of promoting scarless wound healing through spatiotemporal, systemic, and local regulation of Lep levels and the binding of Lep and LepRs.
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Affiliation(s)
- Kai-Wen Zhang
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Yuan Jia
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Yue-Yue Li
- Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Dan-Yang Guo
- Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Xiao-Xiao Li
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Kai Hu
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Xiao-Xi Qian
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Zhong-Hua Chen
- Department of Medicine, The Nantong University, Nantong, China
| | - Jun-Jie Wu
- Institute of Integrated Chinese and Western Medicine, The Hospital Affiliated to Jiangnan University, Wuxi, China
| | - Zheng-Dong Yuan
- Institute of Integrated Chinese and Western Medicine, The Hospital Affiliated to Jiangnan University, Wuxi, China
| | - Feng-Lai Yuan
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China.,Affiliated Hospital of Jiangnan University, Wuxi, China.,Institute of Integrated Chinese and Western Medicine, The Hospital Affiliated to Jiangnan University, Wuxi, China
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Spielman AF, Griffin MF, Parker J, Cotterell AC, Wan DC, Longaker MT. Beyond the Scar: A Basic Science Review of Wound Remodeling. Adv Wound Care (New Rochelle) 2023; 12:57-67. [PMID: 35658581 DOI: 10.1089/wound.2022.0049] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Significance: Increasing development of experimental animal models has allowed for the study of scar formation. However, many pathophysiological unknowns remain in the longest stage of healing, the remodeling stage, which may continue for a year or more. The wound healing process results in different types of scarring classified as normal or pathological depending on failures at each stage. Failures can also occur during wound remodeling, but the molecular mechanisms driving the wound remodeling process have yet to be investigated. Recent Advances: While the current understanding of wound repair is based on investigations of acute healing, these experimental models have informed knowledge of key components of remodeling. This review examines the components that contribute to collagen organization and the final scar, including cell types, their regulation, and signaling pathways. Dysregulation in any one of these components causes pathologic healing. Critical Issues and Future Directions: As wounds continue to remodel months to years after reepithelialization, new models to better understand long-term remodeling will be critical for improving healing outcomes. Further investigation of the contributions of fibroblasts and cell signaling pathways involved during remodeling as well as their potential failures may inform new approaches in promoting regenerative healing beyond reepithelialization.
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Affiliation(s)
- Amanda F Spielman
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Stanford University, Stanford, California, USA
| | - Michelle F Griffin
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Stanford University, Stanford, California, USA
| | - Jennifer Parker
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Stanford University, Stanford, California, USA.,Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Asha C Cotterell
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Stanford University, Stanford, California, USA
| | - Derrick C Wan
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Stanford University, Stanford, California, USA
| | - Michael T Longaker
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Stanford University, Stanford, California, USA.,Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, California, USA
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55
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Chen YY, Huang SM, Cheng YW, Yen MC, Hsu YL, Lan CCE. Investigation of the keratinocyte transcriptome altered in high-glucose environment: An in-vitro model system for precision medicine. J Dermatol Sci 2023; 109:37-46. [PMID: 36725459 DOI: 10.1016/j.jdermsci.2023.01.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 12/12/2022] [Accepted: 01/15/2023] [Indexed: 01/20/2023]
Abstract
BACKGROUND Impaired wound healing is a serious diabetes complication compromising patients' quality of life. However, the pathogenesis of diabetic wounds (DWs) remains incompletely understood. Human epidermal keratinocyte (HEK) is the sentinel cell that initiates healing processes after the epidermal integrity has been disrupted. OBJECTIVE This study aimed to investigate the functional roles of HEKs in wound healing and to identify candidate genes, signaling pathways and molecular signatures contributing to the DWs. METHODS HEKs were cultured in normal or high-glucose environment, followed by scratch, to mimic the microenvironment of normal wounds and DWs. Subsequently, we performed RNA sequencing and systematically analyzed the expression profiles by bioinformatics approaches. RESULTS High-glucose environment altered the keratinocyte transcriptome responses to wounding. In experimental model of DWs, we found that TNF, CYP24A1, NR4A3 and GGT1 were key overexpressed genes in keratinocytes and were implicated in multiple cellular responses. Further analysis showed that wounding in high-glucose environment activated G-protein-coupled receptor (GPCR) signaling, cAMP response element-binding protein (CREB) signaling, and adrenomedullin signaling in keratinocytes, while dysregulated skin development and immune responses as compared to their counterpart in normal glucose settings. CONCLUSION This simplified in-vitro model serves as a valuable tool to gain insights into the molecular basis of DWs and to facilitate establishment of personalized therapies in clinical practice.
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Affiliation(s)
- Yang-Yi Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shu-Mei Huang
- Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yu-Wen Cheng
- Department of Neurosurgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Meng-Chi Yen
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ya-Ling Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Cheng-Che E Lan
- Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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56
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Biomarker in der Wundheilung und Wundbehandlung. GEFÄSSCHIRURGIE 2023. [DOI: 10.1007/s00772-022-00968-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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57
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He J, Huang W, Wang J, Li G, Xin Q, Lin Z, Chen X, Wang X. Single-cell analysis reveals distinct functional heterogeneity of CD34 + cells in anagen wound and diabetic wound. Biochem Biophys Res Commun 2023; 639:9-19. [PMID: 36463761 DOI: 10.1016/j.bbrc.2022.11.080] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 11/29/2022]
Abstract
Wound healing is a complex biological process involving multiple cell types with their critical functions. The diabetic wounds show delayed wound healing, while the anagen wounds display accelerated wound closure. However, the mechanisms underlying the effect of cellular heterogeneity on wound healing are still unclear. CD34+ cells exhibit high heterogeneity in wound skins and improve wound healing. Herein, we investigated the phenotypic and functional heterogeneity of CD34+ cells in normal, anagen, and diabetic wounds. We obtained CD34 lineage tracing mice, constructed distinct wound models, collected CD34+ cells from wound edges, and performed single-cell RNA sequencing. We identified 10 cell clusters and 6 cell types of CD34+ cells, including endothelial cells, fibroblasts, keratinocytes, neutrophils, macrophages, and T cells. 5 subclusters were defined as fibroblasts. The CD34+ fibroblasts C2 highly expressed papillary fibroblastic markers took up the largest proportion in anagen wounds and were associated with inflammation and extracellular matrix. Increased CD34+ endothelial cells, fibroblasts C4, and neutrophils as well as decreased fibroblasts C1 were discovered in diabetic wounds. We also filtered out differentially expressed genes (DEGs) of each cell cluster in anagen wounds and diabetic wounds. Functional enrichment analysis was performed on these DEGs to figure out the enriched pathways and items for each cell cluster. Pseudotime analysis of CD34+ fibroblasts was next carried out indicating fibroblast C4 mainly with low differentiation. Our results have important implications for understanding CD34+ cell type-specific roles in anagen and diabetic wounds, provide the possible mechanisms of wound healing from a new perspective, and uncover potential therapeutic approaches to treating wounds.
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Affiliation(s)
- Jia He
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou, Guangdong, China; Department of Burn Surgery, The First People's Hospital of Foshan, Foshan, Guangdong, China.
| | - Wenting Huang
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Jingru Wang
- Department of Burn Surgery, The First People's Hospital of Foshan, Foshan, Guangdong, China.
| | - Guiqiang Li
- Department of Burn Surgery, The First People's Hospital of Foshan, Foshan, Guangdong, China.
| | - Qi Xin
- Department of Burn Surgery, The First People's Hospital of Foshan, Foshan, Guangdong, China.
| | - Zepeng Lin
- Department of Burn Surgery, The First People's Hospital of Foshan, Foshan, Guangdong, China.
| | - Xiaodong Chen
- Department of Burn Surgery, The First People's Hospital of Foshan, Foshan, Guangdong, China.
| | - Xusheng Wang
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou, Guangdong, China.
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Jones TL, Holmes CM, Katona A, Martin CL, Niewczas MA, Pop-Busui R, Schmidt BM, Sen CK, Tomic-Canic M, Veves A. The NIDDK Diabetic Foot Consortium. J Diabetes Sci Technol 2023; 17:7-14. [PMID: 36059271 PMCID: PMC9846389 DOI: 10.1177/19322968221121152] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Diabetic Foot Consortium (DFC) was established in September 2018 by the NIDDK to build an organization to facilitate the highest quality of clinical research on diabetic foot ulcers (DFUs) that will answer clinically significant questions to improve DFU healing and prevent amputations. The initial focus of the DFC is to develop and validate biomarkers for DFUs that can be used in clinical care and research. The DFC consists of a data coordinating center (DCC) for operational oversight and statistical analysis, clinical sites for participant recruitment and evaluation, and biomarker analysis units (BAUs). The DFC is currently studying biomarkers to predict wound healing and recurrence and is collecting biosamples for future studies through a biorepository. The DFC plans to address the challenges of recruitment and eligibility criteria for DFU clinical trials by taking an approach of "No DFU Patient Goes Unstudied." In this platform approach, clinical history, DFU outcome, wound imaging, and biologic measurements from a large number of patients will be captured and the in-depth longitudinal data set will be analyzed to develop a computational-based DFU risk factor profile to facilitate scientifically sound clinical trial design. The DFC will expand its platform to include studies of the role of social determinants of health, such as food insecurity, housing instability, limited health literacy, and poor social support. The DFC is starting partnerships with the broad group of stakeholders in the wound care community.
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Affiliation(s)
- Teresa L.Z. Jones
- National Institute of Diabetes
and Digestive and Kidney Diseases (NIDDK), Bethesda, MD, USA
| | | | - Aimee Katona
- University of Michigan Medical
School, Ann Arbor, MI, USA
| | | | - Monika A. Niewczas
- Section on Genetics and
Epidemiology, Joslin Diabetes Center, Harvard Medical School, Boston, MA,
USA
| | | | | | - Chandan K. Sen
- Indiana University School of
Medicine and Indiana University Health Comprehensive Wound Center,
Indianapolis, IN, USA
| | - Marjana Tomic-Canic
- Wound Healing and Regenerative
Medicine Research Program, University of Miami Miller School of Medicine,
Miami, FL, USA
| | - Aristidis Veves
- The Rongxiang Xu, MD, Center for
Regenerative Therapeutics, Joslin-Beth Israel Deaconess Foot Center, Beth
Israel Deaconess Medical Center, Harvard Medical School, Boston, MA,
USA
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Thirupathi K, Raorane CJ, Ramkumar V, Ulagesan S, Santhamoorthy M, Raj V, Krishnakumar GS, Phan TTV, Kim SC. Update on Chitosan-Based Hydrogels: Preparation, Characterization, and Its Antimicrobial and Antibiofilm Applications. Gels 2022; 9:35. [PMID: 36661802 PMCID: PMC9858335 DOI: 10.3390/gels9010035] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/22/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
Chitosan is a prominent biopolymer in research for of its physicochemical properties and uses. Each year, the number of publications based on chitosan and its derivatives increases. Because of its comprehensive biological properties, including antibacterial, antioxidant, and tissue regeneration activities, chitosan and its derivatives can be used to prevent and treat soft tissue diseases. Furthermore, chitosan can be employed as a nanocarrier for therapeutic drug delivery. In this review, we will first discuss chitosan and chitosan-based hydrogel polymers. The structure, functionality, and physicochemical characteristics of chitosan-based hydrogels are addressed. Second, a variety of characterization approaches were used to analyze and validate the physicochemical characteristics of chitosan-based hydrogel materials. Finally, we discuss the antibacterial, antibiofilm, and antifungal uses of supramolecular chitosan-based hydrogels. This review study can be used as a base for future research into the production of various types of chitosan-based hydrogels in the antibacterial and antifungal fields.
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Affiliation(s)
- Kokila Thirupathi
- Department of Physics, Sri Moogambigai College of Arts and Science for Women, Palacode 636808, India
| | | | - Vanaraj Ramkumar
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Selvakumari Ulagesan
- Division of Fisheries Life Sciences, Pukyong National University, Nam-gu, Busan 48513, Republic of Korea
| | | | - Vinit Raj
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Gopal Shankar Krishnakumar
- Department of Biotechnology, Applied Biomaterials Laboratory, PSG Institute of Advanced Studies, Coimbatore 641004, India
| | - Thi Tuong Vy Phan
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Hai Chau, Danang 550000, Vietnam
- Faculty of Environmental and Chemical Engineering, Duy Tan University, 03 Quang Trung, Hai Chau, Danang 550000, Vietnam
| | - Seong-Cheol Kim
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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The Efficiency of the Natural Collagen Coating in the Treatment of Extensive Chronic Defects of the Skin and Surrounding Tissues in Dogs. FOLIA VETERINARIA 2022. [DOI: 10.2478/fv-2022-0039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Abstract
The occurrence of extensive non-healing and chronic skin defects with loss of tissue substance in companion animals are a frequently solved problem. The management of the therapy of large-area defects and absent tissues is a challenge for setting up successful therapeutic management and achieving wound closure, satisfactory cosmetic effect, and restoration of the functionality of the damaged area. In veterinary medicine, we often encounter the failure of wound therapy methods commonly used in closing defects, as a result of which the defect closure time is prolonged. The longer the time required to close the defect, the greater the risk of microbial infection and complications associated with healing in the case of extensive damage to the surrounding soft tissues. Direct influence of the individual phases of healing with supportive alternative therapy appears to be a very suitable solution for the treatment of chronic wounds. To overcome the shortcomings related to partially efficient conventional wound dressings, efforts are oriented toward developing new and effective platforms for wound healing applications. Five patients referred to the Small Animal Clinic of the University Veterinary Hospital were included in this clinical study.
Patients were referred to the clinic with extensive long-term non-healing wounds, necrosis and secernation, or ongoing infection, with loss of tissue substance, which showed signs of chronicity. After assessing the patient’s state of health and subsequent cleaning of the wound bed from contaminants and damaged tissues, collagen sponge Suprasorb® C was applied to the surface of the cleaned wound bed. The average time for the complete closure of the defect was 24.6 days since the introduction of the primary treatment. In all patients, we observed the complete closure of the defect, restoration of functionality of the damaged tissues, and achievement of a cosmetic effect without complications in the recovery process, which points to the excellent effectiveness of the collagen covering in the wound healing process.
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Morton C, Cotero V, Ashe J, Ginty F, Puleo C. Accelerating cutaneous healing in a rodent model of type II diabetes utilizing non-invasive focused ultrasound targeted at the spleen. Front Neurosci 2022; 16:1039960. [PMID: 36478877 PMCID: PMC9721138 DOI: 10.3389/fnins.2022.1039960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 10/25/2022] [Indexed: 11/18/2022] Open
Abstract
Healing of wounds is delayed in Type 2 Diabetes Mellitus (T2DM), and new treatment approaches are urgently needed. Our earlier work showed that splenic pulsed focused ultrasound (pFUS) alters inflammatory cytokines in models of acute endotoxemia and pneumonia via modulation of the cholinergic anti-inflammatory pathway (CAP) (ref below). Based on these earlier results, we hypothesized that daily splenic exposure to pFUS during wound healing would accelerate closure rate via altered systemic cytokine titers. In this study, we applied non-invasive ultrasound directed to the spleen of a rodent model [Zucker Diabetic Sprague Dawley (ZDSD) rats] of T2DM with full thickness cutaneous excisional wounds in an attempt to accelerate wound healing via normalization of T2DM-driven aberrant cytokine expression. Daily (1x/day, Monday-Friday) pFUS pulses were targeted externally to the spleen area for 3 min over the course of 15 days. Wound diameter was measured daily, and levels of cytokines were evaluated in spleen and wound bed lysates. Non-invasive splenic pFUS accelerated wound closure by up to 4.5 days vs. sham controls. The time to heal in all treated groups was comparable to that of healthy rats from previously published studies (ref below), suggesting that the pFUS treatment restored a normal wound healing phenotype to the ZDSD rats. IL-6 was lower in stimulated spleen (-2.24 ± 0.81 Log2FC, p = 0.02) while L-selectin was higher in the wound bed of stimulated rodents (2.53 ± 0.72 Log2FC, p = 0.003). In summary, splenic pFUS accelerates healing in a T2DM rat model, demonstrating the potential of the method to provide a novel, non-invasive approach for wound care in diabetes.
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Affiliation(s)
| | | | | | - Fiona Ginty
- Biology and Applied Physics, GE Research, Niskayuna, NY, United States
| | - Christopher Puleo
- GE Research, Niskayuna, NY, United States
- *Correspondence: Christopher Puleo,
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Imoto S, Suzukawa M, Takada K, Watanabe S, Igarashi S, Kitani M, Nagase T, Ohta K. Immunoglobulin A promotes IL-6 and IL-8 production, proliferation, and migration by the human bronchial smooth muscle cells. Cell Immunol 2022; 381:104612. [PMID: 36130412 DOI: 10.1016/j.cellimm.2022.104612] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 08/24/2022] [Accepted: 09/11/2022] [Indexed: 11/03/2022]
Abstract
Immunoglobulin A (IgA) is important in biological defense, mainly in the mucosal area, and plays pathogenic roles in various diseases by activating both inflammatory and structural cells. The current study aimed to validate the effects of IgA on the human bronchial smooth muscle cell (BSMC), which plays a major role in airway inflammation and remodeling. Serum IgA induced interleukin (IL)-6 and IL-8 production at both mRNA and protein levels, and enhanced cell proliferation and migration by the BSMCs. The synthetic phenotype markers were regulated and the contractile phenotype markers were downregulated by serum IgA. Mitogen-activated protein kinase, phosphatidylinositol 3-kinase/Akt, and nuclear factor-κB pathways were involved in IgA-induced IL-6 and IL-8 production. The BSMCs expressed transferrin receptor (TfR), and TfR siRNA transfection inhibited IL-6 and IL-8 production by serum IgA. In summary, serum IgA is a potent activator of the BSMCs at least partially via TfR.
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Affiliation(s)
- Sahoko Imoto
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, 3-1-1 Takeoka, Kiyose-City, Tokyo 204-8585, Japan; Department of Respiratory Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Maho Suzukawa
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, 3-1-1 Takeoka, Kiyose-City, Tokyo 204-8585, Japan.
| | - Kazufumi Takada
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, 3-1-1 Takeoka, Kiyose-City, Tokyo 204-8585, Japan; Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Shizuka Watanabe
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, 3-1-1 Takeoka, Kiyose-City, Tokyo 204-8585, Japan; Department of Respiratory Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Sayaka Igarashi
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, 3-1-1 Takeoka, Kiyose-City, Tokyo 204-8585, Japan
| | - Masashi Kitani
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, 3-1-1 Takeoka, Kiyose-City, Tokyo 204-8585, Japan
| | - Takahide Nagase
- Department of Respiratory Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Ken Ohta
- Clinical Research Center, National Hospital Organization Tokyo National Hospital, 3-1-1 Takeoka, Kiyose-City, Tokyo 204-8585, Japan; Japan Anti-Tuberculosis Association, JATA Fukujuji Hospital, 3-1-24 Matsuyama, Kiyose-City, Tokyo 204-8522, Japan.
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Di Francesco D, Bertani F, Fusaro L, Clemente N, Carton F, Talmon M, Fresu LG, Boccafoschi F. Regenerative Potential of A Bovine ECM-Derived Hydrogel for Biomedical Applications. Biomolecules 2022; 12:biom12091222. [PMID: 36139063 PMCID: PMC9496624 DOI: 10.3390/biom12091222] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 11/23/2022] Open
Abstract
Recent advancements in regenerative medicine have enhanced the development of biomaterials as multi-functional dressings, capable of accelerating wound healing and addressing the challenge of chronic wounds. Hydrogels obtained from decellularized tissues have a complex composition, comparable to the native extracellular environment, showing highly interesting characteristics for wound healing applications. In this study, a bovine pericardium decellularized extracellular matrix (dECM) hydrogel was characterized in terms of macromolecules content, and its immunomodulatory, angiogenic and wound healing potential has been evaluated. The polarization profile of human monocytes-derived macrophages seeded on dECM hydrogel was assessed by RT-qPCR. Angiogenic markers expression has been evaluated by Western blot and antibody array on cell lysates derived from endothelial cells cultured on dECM hydrogel, and a murine in vivo model of hindlimb ischemia was used to evaluate the angiogenic potential. Fibroblast migration was assessed by a transwell migration assay, and an in vivo murine wound healing model treated with dECM hydrogels was also used. The results showed a complex composition, of which the major component is collagen type I. The dECM hydrogel is biocompatible, able to drive M2 phenotype polarization, stimulate the expression of angiogenic markers in vitro, and prevent loss of functionality in hindlimb ischemia model. Furthermore, it drives fibroblast migration and shows ability to facilitate wound closure in vivo, demonstrating its great potential for regenerative applications.
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Affiliation(s)
- Dalila Di Francesco
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy
| | - Fabio Bertani
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy
| | | | - Nausicaa Clemente
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy
| | - Flavia Carton
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy
| | - Maria Talmon
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy
| | - Luigia Grazia Fresu
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy
| | - Francesca Boccafoschi
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy
- Correspondence: ; Tel.: +39-0321-660-556
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Carvalho GR, Braz DS, Gonçalves TCO, Aires R, Côco LZ, Guidoni M, Fronza M, Endringer DC, Júnior ADS, Campos-Toimil M, Nogueira BV, Vasquez EC, Campagnaro BP, Pereira TMC. Development and Evaluation of Virola oleifera Formulation for Cutaneous Wound Healing. Antioxidants (Basel) 2022; 11:antiox11091647. [PMID: 36139721 PMCID: PMC9495449 DOI: 10.3390/antiox11091647] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 11/21/2022] Open
Abstract
In regions adjacent to the Brazilian Atlantic Forest, Virola oleifera (VO) resin extract has been popularly used for decades as a skin and mucosal healing agent. However, this antioxidant-rich resin has not yet been investigated in wound healing, whose physiological process might also be aggravated by oxidative stress-related diseases (e.g., hypertension/diabetes). Our aim, therefore, was to investigate whether VO resin presents healing effects through an innovative cream for topical applications. For this, adult male Wistar rats were divided into four groups. Then, four 15 mm excisions were performed on the shaved skin. All treatments were applied topically to the wound area daily. At the end of experiments (0, 3rd, and 10th days) macroscopic analysis of wound tissue contraction and histological analysis of inflammatory cell parameters were performed. The group treated with VO cream showed the best wound contraction (15%, p < 0.05) and reduced levels of lipid peroxidation and protein oxidation (118% and 110%, p < 0.05, respectively) compared to the control group. Our results demonstrated the healing capacity of a new formulation prepared with VO, which could be, at least in part, justified by antioxidant mechanisms that contribute to re-epithelialization, becoming a promising dermo-cosmetic for the treatment of wound healing.
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Affiliation(s)
- Glaucimeire R. Carvalho
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Débora S. Braz
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Talita C. O. Gonçalves
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Rafaela Aires
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Larissa Z. Côco
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Marcio Guidoni
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Marcio Fronza
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Denise C. Endringer
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Antonio D. S. Júnior
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Manuel Campos-Toimil
- Physiology and Pharmacology of Chronic Diseases (FIFAEC), Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Breno V. Nogueira
- Laboratory of Translational Physiology, Physiological Sciences Graduate Program, Federal University of Espírito Santo, Vitoria 29047-105, Brazil
| | - Elisardo C. Vasquez
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
- Physiology and Pharmacology of Chronic Diseases (FIFAEC), Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Bianca P. Campagnaro
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
| | - Thiago M. C. Pereira
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha 29102-920, Brazil
- Federal Institute of Education, Science and Technology (IFES), Vila Velha 29106-010, Brazil
- Correspondence: ; Tel.: +55-(27)-3421-2001
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Sadeghi-Avalshahr AR, Molavi AM, Nokhasteh S, Harati Z. Recent advances in fabrication of smart dressings for real-time monitoring of pH in chronic wounds—a review. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04357-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Meng X, Yu Z, Xu W, Chai J, Fang S, Min P, Chen Y, Zhang Y, Zhang Z. Control of fibrosis and hypertrophic scar formation via glycolysis regulation with IR780. BURNS & TRAUMA 2022; 10:tkac015. [PMID: 35769829 PMCID: PMC9227726 DOI: 10.1093/burnst/tkac015] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/16/2022] [Indexed: 11/19/2022]
Abstract
Background Hypertrophic scars (HS) represent one of the most common clinical challenges due to unsatisfactory therapeutic results. HS formation is associated with the abnormal activation of fibroblasts and their excessive fibrotic behavior. Glycolysis dysregulation has been shown to participate in the incidence and progression of various fibrotic diseases and shows potential as a means of controlling HS formation. This work aimed to discuss the impact of augmented glycolysis on HS and to propose a method for controlling HS formation through glycolysis regulation. Methods Here, augmented glycolysis was confirmed together with enhanced fibrotic activity in both HS fibroblasts (HFs) and HS tissues, and the suppression of glycolysis also attenuated fibroblast activation. We also introduced IR780, a heptamethine cyanine dye, to regulate glycolysis for the control of HS formation. Results In vitro, cell studies indicated that IR780 significantly down-regulated glycolysis and suppressed the fibrotic activity of HFs. In vivo, the intralesional injection of IR780 into rabbit HS models led to the downregulation of glycolysis and the control of HS formation. Furthermore, IR780 accumulated preferentially in activated fibroblasts in both in vitro and in vivo studies, and thus specifically downregulated glycolysis and efficiently controlled fibrosis by targeting activated fibroblasts. Conclusions This work identified a strategy for controlling fibrosis and HS formation from the perspective of glycolysis regulation with IR780 targeting of activated fibroblasts.
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Affiliation(s)
- Xinxian Meng
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Rd, Shanghai 200011, China
| | - Zhixi Yu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Rd, Shanghai 200011, China
| | - Wanyu Xu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Rd, Shanghai 200011, China
| | - Jun Chai
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Rd, Shanghai 200011, China
| | - Shuo Fang
- Department of Plastic and Reconstruction, First Affiliated Hospital of Naval Medical University, Shanghai 200433, China
| | - Peiru Min
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Rd, Shanghai 200011, China
| | - Yunsheng Chen
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Rd, Shanghai 200011, China
| | - Yixin Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Rd, Shanghai 200011, China
| | - Zheng Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Rd, Shanghai 200011, China
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Çengel Kurnaz S, Kuruca N, Güvenç D, Kaya MT, Güvenç T. Topical Administration of Carvacrol Improves Healing in Nasal Septal Perforation: An Experimental Animal Study. Am J Rhinol Allergy 2022; 36:503-509. [PMID: 35238647 DOI: 10.1177/19458924221085157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Clinicians are exploring alternative treatments for nasal septum perforation since surgical treatment is challenging. OBJECTIVE The effects of topical carvacrol on the healing of nasal septal perforation were investigated in an animal model. METHOD Twenty-one male New Zealand rabbits were randomly divided into three equal groups. A 5-mm circular biopsy punch was used to perforate the nasal septum behind the columella. For 14 days, bilateral gelatin sponges impregnated with carvacrol in olive oil in group 1, and only olive oil in group 2 were placed. Perforation only was performed in the control group. Animals were then sacrificed, and their nasal septums were removed. The closure of the perforation was measured, and samples were examined histopathologically. MMP-9 reactivity was evaluated using the immunoperoxidase technique. Histopathologic parameters were scored as 0 = none, 1 = mild, 2 = moderate, and 3 = strong. RESULTS The septum perforation closure in the carvacrol group was statistically significant compared with the other groups (p < 0.001). Cartilage regeneration, connective tissue density, and MMP-9 immunoreactivity were significantly higher in the carvacrol group (p = 0.020, p = 0.009, and p = 0.008, respectively). CONCLUSION Topically administered carvacrol enhances wound healing in rabbit nasal septum perforation. It accelerated perforation closure by increasing cartilage regeneration, connective tissue, and MMP-9 expression.
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Affiliation(s)
- Senem Çengel Kurnaz
- Department of Otorhinolaryngology and Head & Neck Surgery, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey
| | - Nilüfer Kuruca
- Department of Pathology, Ondokuz Mayis University Faculty of Veterinary Medicine, Samsun, Turkey
| | - Dilek Güvenç
- Department of Pharmacology, Ondokuz Mayis University Faculty of Veterinary Medicine, Samsun, Turkey
| | - Muhammed Taha Kaya
- Department of Pathology, Ondokuz Mayis University Faculty of Veterinary Medicine, Samsun, Turkey
| | - Tolga Güvenç
- Department of Pathology, Ondokuz Mayis University Faculty of Veterinary Medicine, Samsun, Turkey
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Zhang KW, Liu SY, Jia Y, Zou ML, Teng YY, Chen ZH, Li Y, Guo D, Wu JJ, Yuan ZD, Yuan FL. Insight into the role of DPP-4 in fibrotic wound healing. Biomed Pharmacother 2022; 151:113143. [PMID: 35643071 DOI: 10.1016/j.biopha.2022.113143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 05/05/2022] [Accepted: 05/15/2022] [Indexed: 11/30/2022] Open
Abstract
Wound healing is a complex and long-term process consisting of hemostasis, inflammation, proliferation, and maturation/remodeling. These four stages overlap and influence each other; they affect wound healing in different ways, and if they do not function perfectly, they may cause scarring, proliferative scarring and keloid formation. A therapeutic target affecting wound healing in multiple ways will help the healing process proceed more effectively. DPP-4/CD26 is a multifunctional dimorphic glycoprotein widely distributed on the surface of a variety of cells, including fibroblasts and keratin-forming cells. It has been found to affect periwound inflammation, re-epithelialization, extracellular matrix secretion and skin fibrosis and is a potential target for promoting wound healing and inhibiting scar formation. After presenting a brief introduction of the wound healing process and DPP-4/CD26, this paper summarizes the effects of DPP-4/CD26 on cells involved in different stages of wound healing and discusses the feasibility of DPP-4/CD26 as a multifunctional target for the treatment of wound healing and inhibition of scar formation.
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Affiliation(s)
- Kai-Wen Zhang
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Si-Yu Liu
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Yuan Jia
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Ming-Li Zou
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China
| | - Ying-Ying Teng
- The Hospital Affiliated to Jiangnan University, Wuxi, China
| | - Zhong-Hua Chen
- Department of Medicine, The Nantong University, Nantong, China
| | - Yueyue Li
- The Hospital Affiliated to Jiangnan University, Wuxi, China
| | - Danyang Guo
- The Hospital Affiliated to Jiangnan University, Wuxi, China
| | - Jun-Jie Wu
- Institute of Integrated Chinese and Western Medicine, The Hospital Affiliated to Jiangnan University, Wuxi, China
| | - Zheng-Dong Yuan
- Institute of Integrated Chinese and Western Medicine, The Hospital Affiliated to Jiangnan University, Wuxi, China
| | - Feng-Lai Yuan
- Department of Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Wuxi, China; Institute of Integrated Chinese and Western Medicine, The Hospital Affiliated to Jiangnan University, Wuxi, China; The Hospital Affiliated to Jiangnan University, Wuxi, China.
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PATRICK MELONNEY, WAN MOHD ZOHDI WANNAJWA, ABD MUID SUHAILA, OMAR EFFAT. ALPHA-MANGOSTIN (Garcinia mangostana Linn.) AND ITS POTENTIAL APPLICATION IN MITIGATING CHRONIC WOUND HEALING. MALAYSIAN APPLIED BIOLOGY 2022; 51:1-8. [DOI: 10.55230/mabjournal.v51i2.2227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Wound healing is a complex and dynamic cellular process to restore tissue function. Current treatments for chronic wounds especially diabetic ulcers are expensive, with adverse effects. Recently, numerous researchers have focused on the potential effect of natural products on wound healing. One of them is mangosteen (Garcinia mangostana Linn). It is a well-known tropical fruit that is native to Southeast Asia. The active ingredient of mangosteen pericarp contains xanthones that exhibit a wide range of pharmacological activities, including anti-inflammatory and anti-bacterial properties which are the core elements needed in wound healing. Firstly, this review discusses the concepts of abnormal and normal wound healing mechanisms. Then an in depth observation of the pharmacological activities of mangosteen and its derivatives was presented to study their potentially beneficial applications in the treatment of chronic wound healing which is a contemporary medical issue.
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70
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Dong C, Yu Z, Quan X, Wei S, Wang J, Ma X. No Differences in Wound Healing and Scar Formation Were Observed in Patients With Different COVID-19 Vaccination Intervals. Front Public Health 2022; 10:883113. [PMID: 35719612 PMCID: PMC9198238 DOI: 10.3389/fpubh.2022.883113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 04/29/2022] [Indexed: 11/20/2022] Open
Abstract
Background Safety concerns are one of the most common reasons for COVID-19 vaccination refusal. In the field of plastic and reconstructive surgery, whether COVID-19 vaccination influences wound healing and scar formation is worthy of special attention. Methods In this study, patients with adult trauma with subcutaneous sutures placed by a single plastic surgeon in a single center were included. The vaccination interval was defined as the interval between the last dose of the COVID-19 vaccine and when surgical sutures were introduced. The patients were categorized by vaccination interval into three groups of <1, 1–3, and ≥3 months. Wound healing and scar formation were rated according to the Wound Assessment Inventory (WAI) and Patient and Observer Scar Assessment Scale (POSAS) in the groups at 7 days and after a 3-month follow-up. Results All total and individual scores of WAI and POSAS were not significantly different among the groups. Conclusion No differences in wound healing and scar formation were observed in patients with different COVID-19 vaccination intervals. Thus, it is not necessary to postpone COVID-19 vaccination, as the vaccine does not affect wound healing and scar formation in patients undergoing surgery. This study aimed to eliminate concerns and hesitancy in receiving the COVID-19 vaccine.
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Affiliation(s)
- Chen Dong
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhou Yu
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xin Quan
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Siming Wei
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jiayang Wang
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xianjie Ma
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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Weigelt MA, Lev-Tov HA, Tomic-Canic M, Lee WD, Williams R, Strasfeld D, Kirsner RS, Herman IM. Advanced Wound Diagnostics: Toward Transforming Wound Care into Precision Medicine. Adv Wound Care (New Rochelle) 2022; 11:330-359. [PMID: 34128387 PMCID: PMC8982127 DOI: 10.1089/wound.2020.1319] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 05/29/2021] [Indexed: 11/01/2022] Open
Abstract
Significance: Nonhealing wounds are an ever-growing global pandemic, with mortality rates and management costs exceeding many common cancers. Although our understanding of the molecular and cellular factors driving wound healing continues to grow, standards for diagnosing and evaluating wounds remain largely subjective and experiential, whereas therapeutic strategies fail to consistently achieve closure and clinicians are challenged to deliver individualized care protocols. There is a need to apply precision medicine practices to wound care by developing evidence-based approaches, which are predictive, prescriptive, and personalized. Recent Advances: Recent developments in "advanced" wound diagnostics, namely biomarkers (proteases, acute phase reactants, volatile emissions, and more) and imaging systems (ultrasound, autofluorescence, spectral imaging, and optical coherence tomography), have begun to revolutionize our understanding of the molecular wound landscape and usher in a modern age of therapeutic strategies. Herein, biomarkers and imaging systems with the greatest evidence to support their potential clinical utility are reviewed. Critical Issues: Although many potential biomarkers have been identified and several imaging systems have been or are being developed, more high-quality randomized controlled trials are necessary to elucidate the currently questionable role that these tools are playing in altering healing dynamics or predicting wound closure within the clinical setting. Future Directions: The literature supports the need for the development of effective point-of-care wound assessment tools, such as a platform diagnostic array that is capable of measuring multiple biomarkers at once. These, along with advances in telemedicine, synthetic biology, and "smart" wearables, will pave the way for the transformation of wound care into a precision medicine. Clinical Trial Registration number: NCT03148977.
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Affiliation(s)
- Maximillian A. Weigelt
- Dr. Phillip Frost Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Hadar A. Lev-Tov
- Dr. Phillip Frost Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Marjana Tomic-Canic
- Dr. Phillip Frost Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - W. David Lee
- Precision Healing, Inc., Newton, Massachusetts, USA
| | | | | | - Robert S. Kirsner
- Dr. Phillip Frost Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Ira M. Herman
- Precision Healing, Inc., Newton, Massachusetts, USA
- Graduate School of Biomedical Sciences, Tufts University School of Medicine, Boston, Massachusetts, USA
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Hwang J, Seo Y, Jeong D, Ning X, Wiraja C, Yang L, Tan CT, Lee J, Kim Y, Kim JW, Kim DH, Choi J, Lim CY, Pu K, Jang WY, Xu C. Monitoring Wound Healing with Topically Applied Optical NanoFlare mRNA Nanosensors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104835. [PMID: 35460189 PMCID: PMC9218655 DOI: 10.1002/advs.202104835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/28/2022] [Indexed: 06/14/2023]
Abstract
An effective wound management strategy needs accurate assessment of wound status throughout the whole healing process. This can be achieved by examining molecular biomarkers including proteins, DNAs, and RNAs. However, existing methods for quantifying these biomarkers such as immunohistochemistry and quantitative polymerase chain reaction are usually laborious, resource-intensive, and disruptive. This article reports the development and utilization of mRNA nanosensors (i.e., NanoFlare) that are topically applied on cutaneous wounds to reveal the healing status through targeted and semi-quantitative examination of the mRNA biomarkers in skin cells. In 2D and 3D in vitro models, the efficacy and efficiency of these nanosensors are demonstrated in revealing the dynamic changes of mRNA biomarkers for different stages of wound development. In mouse models, this platform permits the tracking and identification of wound healing stages and a normal and diabetic wound healing process by wound healing index in real time.
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Affiliation(s)
- Jangsun Hwang
- School of Chemical and Biomedical EngineeringNanyang Technological University62 Nanyang DriveSingapore637457Singapore
- Department of Orthopedic SurgeryCollege of MedicineKorea University73 Korea‐ro, Seongbuk‐guSeoul02841Republic of Korea
| | - Youngmin Seo
- School of Electrical and Electronic EngineeringYonsei University50 Yonsei‐ro, Seodaemun‐guSeoul03722Republic of Korea
- Department of Research & DevelopmentOID Ltd249‐2, 123 Osongsaengmyeong‐ro, Osong‐eup, Heungdeok‐gu, Cheongju‐siChungcheongbuk‐do28160Republic of Korea
| | - Daun Jeong
- Department of Orthopedic SurgeryCollege of MedicineKorea University73 Korea‐ro, Seongbuk‐guSeoul02841Republic of Korea
| | - Xiaoyu Ning
- School of Chemical and Biomedical EngineeringNanyang Technological University62 Nanyang DriveSingapore637457Singapore
- NTU Institute for Health TechnologiesInterdisciplinary Graduate SchoolNanyang Technological University61 Nanyang DriveSingapore637335Singapore
| | - Christian Wiraja
- School of Chemical and Biomedical EngineeringNanyang Technological University62 Nanyang DriveSingapore637457Singapore
| | - Lixia Yang
- School of Chemical and Biomedical EngineeringNanyang Technological University62 Nanyang DriveSingapore637457Singapore
| | - Chew Teng Tan
- A*STAR Skin Research LabsAgency for ScienceTechnology and Research8A Biomedical GroveSingapore138648Singapore
| | - Jinhyuck Lee
- Department of Orthopedic SurgeryCollege of MedicineKorea University73 Korea‐ro, Seongbuk‐guSeoul02841Republic of Korea
| | - Yesol Kim
- School of Integrative EngineeringChung‐Ang University84, Heukseok‐ro, Dongjak‐guSeoul06974Republic of Korea
| | - Ji Won Kim
- School of Integrative EngineeringChung‐Ang University84, Heukseok‐ro, Dongjak‐guSeoul06974Republic of Korea
| | - Dai Hyun Kim
- Department of DermatologyCollege of MedicineKorea University73 Korea‐ro, Seongbuk‐guSeoul02841Republic of Korea
| | - Jonghoon Choi
- School of Integrative EngineeringChung‐Ang University84, Heukseok‐ro, Dongjak‐guSeoul06974Republic of Korea
| | - Chin Yan Lim
- A*STAR Skin Research LabsAgency for ScienceTechnology and Research8A Biomedical GroveSingapore138648Singapore
- Department of BiochemistryYong Loo Lin School of MedicineNational University of SingaporeMD 7, 8 Medical DriveSingapore117596Singapore
| | - Kanyi Pu
- School of Chemical and Biomedical EngineeringNanyang Technological University62 Nanyang DriveSingapore637457Singapore
| | - Woo Young Jang
- Department of Orthopedic SurgeryCollege of MedicineKorea University73 Korea‐ro, Seongbuk‐guSeoul02841Republic of Korea
| | - Chenjie Xu
- Department of Biomedical EngineeringCity University of Hong Kong83 Tat Chee AvenueKowloonHong Kong SARChina
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Human Amniotic Mesenchymal Stem Cells and Fibroblasts Accelerate Wound Repair of Cystic Fibrosis Epithelium. Life (Basel) 2022; 12:life12050756. [PMID: 35629422 PMCID: PMC9144497 DOI: 10.3390/life12050756] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/12/2022] [Accepted: 05/16/2022] [Indexed: 12/19/2022] Open
Abstract
Cystic fibrosis (CF) airways are affected by a deranged repair of the damaged epithelium resulting in altered regeneration and differentiation. Previously, we showed that human amniotic mesenchymal stem cells (hAMSCs) corrected base defects of CF airway epithelial cells via connexin (CX)43-intercellular gap junction formation. In this scenario, it is unknown whether hAMSCs, or fibroblasts sharing some common characteristics with MSCs, can operate a faster repair of a damaged airway epithelium. A tip-based scratch assay was employed to study wound repair in monolayers of CFBE14o- cells (CFBE, homozygous for the F508del mutation). hAMSCs were either co-cultured with CFBE cells before the wound or added to the wounded monolayers. NIH-3T3 fibroblasts (CX43+) were added to wounded cells. HeLa cells (CX43-) were used as controls. γ-irradiation was optimized to block CFBE cell proliferation. A specific siRNA was employed to downregulate CX43 expression in CFBE cells. CFBE cells showed a delayed repair as compared with wt-CFTR cells (16HBE41o-). hAMSCs enhanced the wound repair rate of wounded CFBE cell monolayers, especially when added post wounding. hAMSCs and NIH-3T3 fibroblasts, but not HeLa cells, increased wound closure of irradiated CFBE monolayers. CX43 downregulation accelerated CFBE wound repair rate without affecting cell proliferation. We conclude that hAMSCs and fibroblasts enhance the repair of a wounded CF airway epithelium, likely through a CX43-mediated mechanism mainly involving cell migration.
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Milk fat-globule epidermal growth factor 8: A potential Regulator of Cutaneous Wound Healing. Mol Biol Rep 2022; 49:8883-8893. [PMID: 35581508 DOI: 10.1007/s11033-022-07365-6] [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: 12/23/2021] [Revised: 03/02/2022] [Accepted: 03/11/2022] [Indexed: 10/18/2022]
Abstract
Destroying the integrity of the skin may causes disability and even death from injury or illness. Wound healing is a core mechanism to maintain skin barrier function. Milk fat-globule epidermal growth factor 8 (MFG-E8) is a key factor in wound healing and is involved in regulating blood coagulation, mediating macrophage uptake of apoptotic cells, shifting macrophages from an inflammatory to an anti-inflammatory phenotype, promoting angiogenesis, enhancing vascular endothelial growth factor (VEGF) signaling, and assisting wound tissue perfusion. However, these abilities are dysregulated in pathological conditions, such as glucose disorders and ischemic injury. Restricted application of exogenous MFG-E8 can restore function and play a beneficial role in cutaneous wound healing.
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Cometa S, Licini C, Bonifacio M, Mastrorilli P, Mattioli-Belmonte M, De Giglio E. Carboxymethyl cellulose-based hydrogel film combined with berberine as an innovative tool for chronic wound management. Carbohydr Polym 2022; 283:119145. [DOI: 10.1016/j.carbpol.2022.119145] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/23/2021] [Accepted: 01/12/2022] [Indexed: 12/28/2022]
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Harvey J, Mellody KT, Cullum N, Watson REB, Dumville J. Wound fluid sampling methods for proteomic studies: A scoping review. Wound Repair Regen 2022; 30:317-333. [PMID: 35381119 PMCID: PMC9322564 DOI: 10.1111/wrr.13009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 02/01/2022] [Accepted: 03/08/2022] [Indexed: 01/02/2023]
Abstract
Understanding why some wounds are hard to heal is important for improving care and developing more effective treatments. The method of sample collection used is an integral step in the research process and thus may affect the results obtained. The primary objective of this study was to summarise and map the methods currently used to sample wound fluid for protein profiling and analysis. Eligible studies were those that used a sampling method to collect wound fluid from any human wound for analysis of proteins. A search for eligible studies was performed using MEDLINE, Embase and CINAHL Plus in May 2020. All references were screened for eligibility by one reviewer, followed by discussion and consensus with a second reviewer. Quantitative data were mapped and visualised using appropriate software and summarised via a narrative summary. After screening, 280 studies were included in this review. The most commonly used group of wound fluid collection methods were vacuum, drainage or use of other external devices, with surgical wounds being the most common sample source. Other frequently used collection methods were extraction from absorbent materials, collection beneath an occlusive dressing and direct collection of wound fluid. This scoping review highlights the variety of methods used for wound fluid collection. Many studies had small sample sizes and short sample collection periods; these weaknesses have hampered the discovery and validation of novel biomarkers. Future research should aim to assess the reproducibility and feasibility of sampling and analytical methods for use in larger longitudinal studies.
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Affiliation(s)
- Joe Harvey
- Centre for Dermatology Research, School of Biological Sciences, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, UK.,NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Kieran T Mellody
- Centre for Dermatology Research, School of Biological Sciences, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, UK
| | - Nicky Cullum
- NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,Division of Nursing, Midwifery & Social Work, School of Health Sciences, The University of Manchester, Manchester, UK
| | - Rachel E B Watson
- Centre for Dermatology Research, School of Biological Sciences, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, UK.,NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,Manchester Institute for Collaborative Research on Ageing, The University of Manchester, Manchester, UK
| | - Jo Dumville
- NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,Division of Nursing, Midwifery & Social Work, School of Health Sciences, The University of Manchester, Manchester, UK
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CHARACTERISTICS OF WOUND INFECTIONS AND METHODS OF THEIR TREATMENT USING PREPARATIONS OF BIOLOGICAL ORIGIN. BIOTECHNOLOGIA ACTA 2022. [DOI: 10.15407/biotech15.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Surgical wound infections are the most common patients’ complications in the postoperative period. In the modern clinic, they worsen the disease prognosis and remain the most important and acute health problem in all countries of the world. The aim of the work was to analyze current scientific data on the peculiarities of the pathogenesis of wound infections and types of their pathogens, as well as drugs of biological origin in the treatment of wound infections. The paper discusses in detail the problem of infection of wound injuries during surgery and domestic injuries of various kinds. The main pathogens of wound infections are considered. Specific pathogenicity factors for bacteria of the genera Staphylococcus, Pseudomonas, Enterobacteriaceae were analyzed. Based on the analysis of literature sources, a list of drugs of biotechnological origin that can be effectively used in combination therapy for the treatment and prevention of wound infections was determined. Conclusions. The result is the identification of those mechanisms of pathogenesis of wound infections that determine the effectiveness of the use of drugs of biological origin in this pathology treatment.
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Girija AR, Balasubramanian S, Cowin AJ. Nanomaterials-based drug delivery approaches for wound healing. Curr Pharm Des 2022; 28:711-726. [DOI: 10.2174/1381612828666220328121211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/11/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
Wound healing is a complex and dynamic process that requires intricate synchronization between multiple cell types within appropriate extracellular microenvironment. Wound healing process involves four overlapping phases in a precisely regulated manner, consisting of hemostasis, inflammation, proliferation, and maturation. For an effective wound healing all four phases must follow in a sequential pattern within a time frame. Several factors might interfere with one or more of these phases in healing process, thus causing improper or impaired wound healing resulting in non-healing chronic wounds. The complications associated with chronic non-healing wounds, along with the limitations of existing wound therapies, have led to the development and emergence of novel and innovative therapeutic interventions. Nanotechnology presents unique and alternative approaches to accelerate the healing of chronic wounds by the interaction of nanomaterials during different phases of wound healing. This review focuses on recent innovative nanotechnology-based strategies for wound healing and tissue regeneration based on nanomaterials, including nanoparticles, nanocomposites and scaffolds. The efficacy of the intrinsic therapeutic potential of nanomaterials (including silver, gold, zinc oxide, copper, cerium oxide, etc.) and the ability of nanomaterials as carriers (liposomes, hydrogels, polymeric nanomaterials, nanofibers) as therapeutic agents associated with wound-healing applications have also been addressed. The significance of these nanomaterial-based therapeutic interventions for wound healing needs to be highlighted to engage researchers and clinicians towards this new and exciting area of bio-nanoscience. We believe that these recent developments will offer researchers an updated source on the use of nanomaterials as an advanced approach to improve wound healing.
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Zaharie RD, Popa C, Schlanger D, Vălean D, Zaharie F. The Role of IL-22 in Wound Healing. Potential Implications in Clinical Practice. Int J Mol Sci 2022; 23:3693. [PMID: 35409053 PMCID: PMC8998254 DOI: 10.3390/ijms23073693] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 03/18/2022] [Accepted: 03/22/2022] [Indexed: 12/14/2022] Open
Abstract
Wound healing is a complex process that is mediated and influenced by several cytokines, chemokines, and growth factors. Interleukin-22 (IL-22) is a cytokine that plays a critical role in tissue regeneration. Our study is a systematic review that addressed the implications of IL-22 in the healing of wounds caused by external factors. Thirteen studies were included in our review, most of them being experimental studies. Three clinical studies underlined the potential role of IL-22 in day-to-day clinical practice. IL-22 plays a central role in wound healing, stimulating the proliferation, migration, and differentiation of the cells involved in tissue repair. However, overexpression of IL-22 can cause negative effects, such as keloid scars or peritoneal adhesions. The results of the presented studies are promising, but further research that validates the roles of IL-22 in clinical practice and analyzes its potential implication in surgical healing is welcomed.
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Affiliation(s)
- Roxana Delia Zaharie
- Gastroenterology Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, Street Emil Isac No. 13, 400023 Cluj-Napoca, Romania;
- Gastroenterology Department, Regional Institute of Gastroenterology and Hepatology “Prof. Dr. O. Fodor”, Street Croitorilor No. 19–21, 400162 Cluj-Napoca, Romania
| | - Călin Popa
- Surgery Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, Street Emil Isac No. 13, 400023 Cluj-Napoca, Romania; (D.V.); (F.Z.)
- Surgery Department, Regional Institute of Gastroenterology and Hepatology “Prof. Dr. O. Fodor”, Street Croitorilor No. 19–21, 400162 Cluj-Napoca, Romania
| | - Diana Schlanger
- Surgery Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, Street Emil Isac No. 13, 400023 Cluj-Napoca, Romania; (D.V.); (F.Z.)
- Surgery Department, Regional Institute of Gastroenterology and Hepatology “Prof. Dr. O. Fodor”, Street Croitorilor No. 19–21, 400162 Cluj-Napoca, Romania
| | - Dan Vălean
- Surgery Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, Street Emil Isac No. 13, 400023 Cluj-Napoca, Romania; (D.V.); (F.Z.)
- Surgery Department, Regional Institute of Gastroenterology and Hepatology “Prof. Dr. O. Fodor”, Street Croitorilor No. 19–21, 400162 Cluj-Napoca, Romania
| | - Florin Zaharie
- Surgery Department, “Iuliu Haţieganu” University of Medicine and Pharmacy, Street Emil Isac No. 13, 400023 Cluj-Napoca, Romania; (D.V.); (F.Z.)
- Surgery Department, Regional Institute of Gastroenterology and Hepatology “Prof. Dr. O. Fodor”, Street Croitorilor No. 19–21, 400162 Cluj-Napoca, Romania
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Chen V, Burgess JL, Verpile R, Tomic-Canic M, Pastar I. Novel Diagnostic Technologies and Therapeutic Approaches Targeting Chronic Wound Biofilms and Microbiota. CURRENT DERMATOLOGY REPORTS 2022; 11:60-72. [PMID: 37007641 PMCID: PMC10065746 DOI: 10.1007/s13671-022-00354-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Purpose of Review To provide an up-to-date overview of recent developments in diagnostic methods and therapeutic approaches for chronic wound biofilms and pathogenic microbiota. Recent Findings Biofilm infections are one of the major contributors to impaired wound healing in chronic wounds, including diabetic foot ulcers, venous leg ulcers, pressure ulcers, and nonhealing surgical wounds. As an organized microenvironment commonly including multiple microbial species, biofilms develop and persist through methods that allow evasion from host immune response and antimicrobial treatments. Suppression and reduction of biofilm infection have been demonstrated to improve wound healing outcomes. However, chronic wound biofilms are a challenge to treat due to limited methods for accurate, accessible clinical identification and the biofilm's protective properties against therapeutic agents. Here we review recent approaches towards visual markers for less invasive, enhanced biofilm detection in the clinical setting. We outline progress in wound care treatments including investigation of their antibiofilm effects, such as with hydrosurgical and ultrasound debridement, negative pressure wound therapy with instillation, antimicrobial peptides, nanoparticles and nanocarriers, electroceutical dressings, and phage therapy. Summary Current evidence for biofilm-targeted treatments has been primarily conducted in preclinical studies, with limited clinical investigation for many therapies. Improved identification, monitoring, and treatment of biofilms require expansion of point-of-care visualization methods and increased evaluation of antibiofilm therapies in robust clinical trials.
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Darvishi S, Tavakoli S, Kharaziha M, Girault HH, Kaminski CF, Mela I. Advances in the Sensing and Treatment of Wound Biofilms. Angew Chem Int Ed Engl 2022; 61:e202112218. [PMID: 34806284 PMCID: PMC9303468 DOI: 10.1002/anie.202112218] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Indexed: 12/02/2022]
Abstract
Wound biofilms represent a particularly challenging problem in modern medicine. They are increasingly antibiotic resistant and can prevent the healing of chronic wounds. However, current treatment and diagnostic options are hampered by the complexity of the biofilm environment. In this review, we present new chemical avenues in biofilm sensors and new materials to treat wound biofilms, offering promise for better detection, chemical specificity, and biocompatibility. We briefly discuss existing methods for biofilm detection and focus on novel, sensor-based approaches that show promise for early, accurate detection of biofilm formation on wound sites and that can be translated to point-of-care settings. We then discuss technologies inspired by new materials for efficient biofilm eradication. We focus on ultrasound-induced microbubbles and nanomaterials that can both penetrate the biofilm and simultaneously carry active antimicrobials and discuss the benefits of those approaches in comparison to conventional methods.
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Affiliation(s)
- Sorour Darvishi
- Department of Chemical Engineering and BiotechnologyUniversity of CambridgePhilippa Fawcett DriveCambridgeCB3 0ASUK
- Department of Chemistry and Chemical EngineeringÉcole Polytechnique Fédérale de Lausanne1951SionSwitzerland
| | - Shima Tavakoli
- Department of Chemistry-Ångstrom LaboratoryUppsala UniversitySE75121UppsalaSweden
| | - Mahshid Kharaziha
- Department of Materials EngineeringIsfahan University of TechnologyIsfahan84156-83111Iran
| | - Hubert H. Girault
- Department of Chemistry and Chemical EngineeringÉcole Polytechnique Fédérale de Lausanne1951SionSwitzerland
| | - Clemens F. Kaminski
- Department of Chemical Engineering and BiotechnologyUniversity of CambridgePhilippa Fawcett DriveCambridgeCB3 0ASUK
| | - Ioanna Mela
- Department of Chemical Engineering and BiotechnologyUniversity of CambridgePhilippa Fawcett DriveCambridgeCB3 0ASUK
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Darvishi S, Tavakoli S, Kharaziha M, Girault HH, Kaminski CF, Mela I. Advances in the Sensing and Treatment of Wound Biofilms. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 134:e202112218. [PMID: 38505642 PMCID: PMC10946914 DOI: 10.1002/ange.202112218] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Indexed: 03/21/2024]
Abstract
Wound biofilms represent a particularly challenging problem in modern medicine. They are increasingly antibiotic resistant and can prevent the healing of chronic wounds. However, current treatment and diagnostic options are hampered by the complexity of the biofilm environment. In this review, we present new chemical avenues in biofilm sensors and new materials to treat wound biofilms, offering promise for better detection, chemical specificity, and biocompatibility. We briefly discuss existing methods for biofilm detection and focus on novel, sensor-based approaches that show promise for early, accurate detection of biofilm formation on wound sites and that can be translated to point-of-care settings. We then discuss technologies inspired by new materials for efficient biofilm eradication. We focus on ultrasound-induced microbubbles and nanomaterials that can both penetrate the biofilm and simultaneously carry active antimicrobials and discuss the benefits of those approaches in comparison to conventional methods.
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Affiliation(s)
- Sorour Darvishi
- Department of Chemical Engineering and BiotechnologyUniversity of CambridgePhilippa Fawcett DriveCambridgeCB3 0ASUK
- Department of Chemistry and Chemical EngineeringÉcole Polytechnique Fédérale de Lausanne1951SionSwitzerland
| | - Shima Tavakoli
- Department of Chemistry-Ångstrom LaboratoryUppsala UniversitySE75121UppsalaSweden
| | - Mahshid Kharaziha
- Department of Materials EngineeringIsfahan University of TechnologyIsfahan84156-83111Iran
| | - Hubert H. Girault
- Department of Chemistry and Chemical EngineeringÉcole Polytechnique Fédérale de Lausanne1951SionSwitzerland
| | - Clemens F. Kaminski
- Department of Chemical Engineering and BiotechnologyUniversity of CambridgePhilippa Fawcett DriveCambridgeCB3 0ASUK
| | - Ioanna Mela
- Department of Chemical Engineering and BiotechnologyUniversity of CambridgePhilippa Fawcett DriveCambridgeCB3 0ASUK
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83
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Anvery N, Selim A, Khachemoune A. The Role of Puerarin in Chronic Wounds: A Review of its Mechanism of Action and Potential Novel Applications. INT J LOW EXTR WOUND 2022:15347346221086687. [PMID: 35274996 DOI: 10.1177/15347346221086687] [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: 11/17/2022]
Abstract
Chronic wounds have a high disease burden and significantly influence patient quality of life. The development of chronic wounds is multifactorial and thus adequate management and care is often difficult to achieve. Chronic diseases, malnutrition, smoking, immune dysregulation, and age contribute to chronic wound development. Treatment options include adequately addressing underlying conditions and selecting appropriate topical preparations which enhance and promote healing of different wounds based on an understanding of wound healing pathophysiology. Puerarin, a naturally occurring flavinoid, may offer therapeutic potential for addressing etiologies as well as managing wound beds due to its anti-inflammatory, anti-oxidative, pro-angiogenic, and anesthetic properties.
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Affiliation(s)
- Noor Anvery
- 12298SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - Abdulhafez Selim
- 6556Philadelphia College of Osteopathic Medicine, Philadelphia, PA, USA
| | - Amor Khachemoune
- 12298SUNY Downstate Medical Center, Brooklyn, NY, USA
- Dermatology Service, Veterans Affairs Hospital, Brooklyn, NY, USA
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84
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Wang J, Zhang D, Zhu Y, Mo X, McHugh PC, Tong Q. Astragalus and human mesenchymal stem cells promote wound healing by mediating immunomodulatory effects through paracrine signaling. Regen Med 2022; 17:219-232. [PMID: 35249360 DOI: 10.2217/rme-2021-0076] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Background: Skin regeneration from an injury without a scar is still a challenge. Methods: A murine model of a skin wound was treated with a combination of extract of astragalus and exosomes of mesenchymal stem cells (MSCs). CD11b+ and CD45 macrophages were detected and levels of cytokines were tested. Results: The expression of growth factors VEGF, FGF2 and EGF was elevated after treatment administered to MSCs. The administration of ethanolic extract of astragalus decreased the expression of TNF-α, IL-1β and IL-6 and simultaneously increased the levels of IL-10. The combination sped up the process of wound healing. A sustained-release gel with both ingredients was developed to enhance restoration from granulation. Conclusion: The extract of astragalus promotes the efficacy of MSC-derived exosomes in skin repair.
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Affiliation(s)
- Jiaqi Wang
- Clinical Research Center, Changhai Hospital, Shanghai, 200433, China
| | - Dandan Zhang
- Arachna Skin Biotechnology Center, Eston Cell Technology (Shanghai) Co. Ltd, Shanghai, 201611, China
| | - Ying Zhu
- Department of Respiratory & Critical Care Medicine, Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, China
| | - Xiumei Mo
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Patrick C McHugh
- Centre for Biomarker Research, School of Applied Sciences, University of Huddersfield, HD1 3DH, UK
| | - Qiang Tong
- Department of Rheumatology & Immunology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200235, China
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85
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Bovine collagen oligopeptides accelerate wound healing by promoting fibroblast migration via PI3K/Akt/mTOR signaling pathway. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.104981] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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86
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Mallick S, Nag M, Lahiri D, Pandit S, Sarkar T, Pati S, Nirmal NP, Edinur HA, Kari ZA, Ahmad Mohd Zain MR, Ray RR. Engineered Nanotechnology: An Effective Therapeutic Platform for the Chronic Cutaneous Wound. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:778. [PMID: 35269266 PMCID: PMC8911807 DOI: 10.3390/nano12050778] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/02/2022] [Accepted: 02/06/2022] [Indexed: 12/27/2022]
Abstract
The healing of chronic wound infections, especially cutaneous wounds, involves a complex cascade of events demanding mutual interaction between immunity and other natural host processes. Wound infections are caused by the consortia of microbial species that keep on proliferating and produce various types of virulence factors that cause the development of chronic infections. The mono- or polymicrobial nature of surface wound infections is best characterized by its ability to form biofilm that renders antimicrobial resistance to commonly administered drugs due to poor biofilm matrix permeability. With an increasing incidence of chronic wound biofilm infections, there is an urgent need for non-conventional antimicrobial approaches, such as developing nanomaterials that have intrinsic antimicrobial-antibiofilm properties modulating the biochemical or biophysical parameters in the wound microenvironment in order to cause disruption and removal of biofilms, such as designing nanomaterials as efficient drug-delivery vehicles carrying antibiotics, bioactive compounds, growth factor antioxidants or stem cells reaching the infection sites and having a distinct mechanism of action in comparison to antibiotics-functionalized nanoparticles (NPs) for better incursion through the biofilm matrix. NPs are thought to act by modulating the microbial colonization and biofilm formation in wounds due to their differential particle size, shape, surface charge and composition through alterations in bacterial cell membrane composition, as well as their conductivity, loss of respiratory activity, generation of reactive oxygen species (ROS), nitrosation of cysteines of proteins, lipid peroxidation, DNA unwinding and modulation of metabolic pathways. For the treatment of chronic wounds, extensive research is ongoing to explore a variety of nanoplatforms, including metallic and nonmetallic NPs, nanofibers and self-accumulating nanocarriers. As the use of the magnetic nanoparticle (MNP)-entrenched pre-designed hydrogel sheet (MPS) is found to enhance wound healing, the bio-nanocomposites consisting of bacterial cellulose and magnetic nanoparticles (magnetite) are now successfully used for the healing of chronic wounds. With the objective of precise targeting, some kinds of "intelligent" nanoparticles are constructed to react according to the required environment, which are later incorporated in the dressings, so that the wound can be treated with nano-impregnated dressing material in situ. For the effective healing of skin wounds, high-expressing, transiently modified stem cells, controlled by nano 3D architectures, have been developed to encourage angiogenesis and tissue regeneration. In order to overcome the challenge of time and dose constraints during drug administration, the approach of combinatorial nano therapy is adopted, whereby AI will help to exploit the full potential of nanomedicine to treat chronic wounds.
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Affiliation(s)
- Suhasini Mallick
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Nadia 741249, India;
| | - Moupriya Nag
- Department of Biotechnology, University of Engineering & Management, Kolkata 700156, India; (M.N.); (D.L.)
| | - Dibyajit Lahiri
- Department of Biotechnology, University of Engineering & Management, Kolkata 700156, India; (M.N.); (D.L.)
| | - Soumya Pandit
- Department of Life Sciences, Sharda University, Noida 201310, India;
| | - Tanmay Sarkar
- Department of Food Processing Technology, Malda Polytechnic, West Bengal State Council of Technical Education, Government of West Bengal, Malda 732102, India;
| | - Siddhartha Pati
- NatNov Bioscience Private Limited, Balasore 756001, India;
- Skills Innovation & Academic Network (SIAN) Institute, Association for Biodiversity Conservation & Research (ABC), Balasore 756001, India
| | - Nilesh Prakash Nirmal
- Institute of Nutrition, Mahidol University, 999 Phutthamonthon 4 Road, Salaya, Nakhon Pathom 73170, Thailand;
| | - Hisham Atan Edinur
- School of Health Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia;
| | - Zulhisyam Abdul Kari
- Department of Agricultural Science, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli 17600, Malaysia
| | | | - Rina Rani Ray
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Nadia 741249, India;
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87
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Patel BK, Patel KH, Huang RY, Lee CN, Moochhala SM. The Gut-Skin Microbiota Axis and Its Role in Diabetic Wound Healing-A Review Based on Current Literature. Int J Mol Sci 2022; 23:ijms23042375. [PMID: 35216488 PMCID: PMC8880500 DOI: 10.3390/ijms23042375] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 12/18/2022] Open
Abstract
Diabetic foot ulcers (DFU) are a growing concern worldwide as they pose complications in routine clinical practices such as diagnosis and management. Bacterial interactions on the skin surface are vital to the pathophysiology of DFU and may control delayed wound healing. The microbiota from our skin directly regulates cutaneous health and disease by interacting with the numerous cells involved in the wound healing mechanism. Commensal microbiota, in particular, interact with wound-repairing skin cells to enhance barrier regeneration. The observed microbes in DFU include Staphylococcus, Streptococcus, Corynebacterium, Pseudomonas, and several anaerobes. Skin commensal microbes, namely S. epidermidis, can regulate the gamma delta T cells and induce Perforin-2 expression. The increased expression of Perforin-2 by skin cells destroyed S. aureus within the cells, facilitating wound healing. Possible crosstalk between the human commensal microbiome and different cell types involved in cutaneous wound healing promotes the immune response and helps to maintain the barrier function in humans. Wound healing is a highly well-coordinated, complex mechanism; it can be devastating if interrupted. Skin microbiomes are being studied in relation to the gut-skin axis along with their effects on dermatologic conditions. The gut-skin axis illustrates the connection wherein the gut can impact skin health due to its immunological and metabolic properties. The precise mechanism underlying gut-skin microbial interactions is still unidentified, but the immune and endocrine systems are likely to be involved. Next-generation sequencing and the development of bioinformatics pipelines may considerably improve the understanding of the microbiome-skin axis involved in diabetic wound healing in a much more sophisticated way. We endeavor to shed light on the importance of these pathways in the pathomechanisms of the most prevalent inflammatory conditions including the diabetes wound healing, as well as how probiotics may intervene in the gut-skin axis.
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Affiliation(s)
- Bharati Kadamb Patel
- Department of Surgery, National University of Singapore, Singapore 119228, Singapore; (B.K.P.); (C.N.L.)
| | | | - Ryan Yuki Huang
- Canyon Crest Academy, San Diego, CA 92130, USA;
- Department of Mechanical and Aerospace Engineering, University of California, San Diego, CA 92093, USA
| | - Chuen Neng Lee
- Department of Surgery, National University of Singapore, Singapore 119228, Singapore; (B.K.P.); (C.N.L.)
| | - Shabbir M. Moochhala
- Department of Surgery, National University of Singapore, Singapore 119228, Singapore; (B.K.P.); (C.N.L.)
- Department of Pharmacology, National University of Singapore, Singapore 117600, Singapore
- Correspondence:
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88
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Çakan D, Uşaklıoğlu S. The effect of locally administered phenytoin on wound healing in an experimental nasal septal perforation animal model. Eur Arch Otorhinolaryngol 2022; 279:3511-3517. [DOI: 10.1007/s00405-022-07276-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 01/17/2022] [Indexed: 01/15/2023]
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Mo F, Zhang M, Duan X, Lin C, Sun D, You T. Recent Advances in Nanozymes for Bacteria-Infected Wound Therapy. Int J Nanomedicine 2022; 17:5947-5990. [PMID: 36510620 PMCID: PMC9739148 DOI: 10.2147/ijn.s382796] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 11/05/2022] [Indexed: 12/12/2022] Open
Abstract
Bacterial-infected wounds are a serious threat to public health. Bacterial invasion can easily delay the wound healing process and even cause more serious damage. Therefore, effective new methods or drugs are needed to treat wounds. Nanozyme is an artificial enzyme that mimics the activity of a natural enzyme, and a substitute for natural enzymes by mimicking the coordination environment of the catalytic site. Due to the numerous excellent properties of nanozymes, the generation of drug-resistant bacteria can be avoided while treating bacterial infection wounds by catalyzing the sterilization mechanism of generating reactive oxygen species (ROS). Notably, there are still some defects in the nanozyme antibacterial agents, and the design direction is to realize the multifunctionalization and intelligence of a single system. In this review, we first discuss the pathophysiology of bacteria infected wound healing, the formation of bacterial infection wounds, and the strategies for treating bacterially infected wounds. In addition, the antibacterial advantages and mechanism of nanozymes for bacteria-infected wounds are also described. Importantly, a series of nanomaterials based on nanozyme synthesis for the treatment of infected wounds are emphasized. Finally, the challenges and prospects of nanozymes for treating bacterial infection wounds are proposed for future research in this field.
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Affiliation(s)
- Fayin Mo
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
| | - Minjun Zhang
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
| | - Xuewei Duan
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
| | - Chuyan Lin
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
| | - Duanping Sun
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
- Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
- Correspondence: Duanping Sun; Tianhui You, Email ;
| | - Tianhui You
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
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90
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Boyajian JL, Ghebretatios M, Schaly S, Islam P, Prakash S. Microbiome and Human Aging: Probiotic and Prebiotic Potentials in Longevity, Skin Health and Cellular Senescence. Nutrients 2021; 13:nu13124550. [PMID: 34960102 PMCID: PMC8705837 DOI: 10.3390/nu13124550] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 02/07/2023] Open
Abstract
The role of the microbiome in human aging is important: the microbiome directly impacts aging through the gastrointestinal system. However, the microbial impact on skin has yet to be fully understood. For example, cellular senescence is an intrinsic aging process that has been recently associated with microbial imbalance. With age, cells become senescent in response to stress wherein they undergo irreversible growth arrest while maintaining high metabolic activity. An accumulation of senescent cells has been linked to various aging and chronic pathologies due to an overexpression of the senescence-associated secretory phenotype (SASP) comprised of proinflammatory cytokines, chemokines, growth factors, proteases, lipids and extracellular matrix components. In particular, dermatological disorders may be promoted by senescence as the skin is a common site of accumulation. The gut microbiota influences cellular senescence and skin disruption through the gut-skin axis and secretion of microbial metabolites. Metabolomics can be used to identify and quantify metabolites involved in senescence. Moreover, novel anti-senescent therapeutics are warranted given the poor safety profiles of current pharmaceutical drugs. Probiotics and prebiotics may be effective alternatives, considering the relationship between the microbiome and healthy aging. However, further research on gut composition under a senescent status is needed to develop immunomodulatory therapies.
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91
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Safety and Efficacy of Collagen-Based Biological Dressings in the Management of Chronic Superficial Skin Wounds in Non-Complex Trauma: A Post-Marketing Surveillance Study. TRAUMA CARE 2021. [DOI: 10.3390/traumacare1030017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Biological dressings such as collagen and hyaluronic acid represent the main advanced tools that plastic surgeons, dermatologists and vulnologists use today to treat chronic wounds or ulcers that do not tend to heal. These types of dressings are important because they create a moist and physiological interface at the wound level, are of natural origin, easy to use, hypo-allergenic, economical and do not create discomfort for the patient during dressing changes. We treated 128 patients (divided into four groups based on type of dressing) with non-complex superficial chronic wounds in comparison with a traditional dressing (fitostimoline gauze or polyurethane foam). We analyzed wound characteristics, healing time, and operator and patient satisfaction. A significantly higher recovery rate was observed in the “Collagen-coated plates” treatment group compared to Standard Treatment. Additionally, a significantly higher probability of recovery was observed compared to the alternative two experimental devices (Collagen-coated plates + HA and Collagen-based spray). However, the main limitation of the randomization of this study is the presence in the “Collagen-based spray” group of localized wounds, mainly in the fingers and hand. No side effects were reported in relation to the procedures or the experimental products. Collagen may be considered as a valuable therapeutic tool in non-complex chronic wounds by virtue of its low immunogenicity, flexibility and applicability in biocompatible scaffolds, and represents driving force toward enhanced wound care.
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92
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Toomari E, Hajian S, Mojab F, Omidkhah T, Nasiri M. Evaluation the effect of Silybum marianum ointment on episiotomy wound healing and pain intensity in primiparous women: a randomized triple blind clinical trial. BMC Complement Med Ther 2021; 21:253. [PMID: 34620153 PMCID: PMC8495983 DOI: 10.1186/s12906-021-03413-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 09/17/2021] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Episiotomy is the most commonn surgical procedure in midwifery which as any other wounds can cause infection or delay in healing. The current study aimed to determine effect of Silybum marianum ointment on pain severity and healing of episiotomy wound in primiparous women referring to Shahid Nourani Hospital at 2019. METHODS This research was done as a randomized, triple-blind clinical trial on 87 priiparous women (44 indivdiuals in Silybum marianum ointment group and 43 indivdiuals in placebo group) referred to Shahid Nourani Hospital in Talesh (Guilan Province), Iran at September 2019. After labor and performing episiotomy, twice a day for 10 days as a fingertip size of the ointment was prescribed to be topically used on the episiotomy incision for both groups (Silybum marianum ointment or placebo ointment). Data gathering was done using demographic and midwifery information questionnaire, Episiotomy healing assessment: Redness, Edema, Ecchymosis, Discharge, Approximation)REEDA Scale (REEDA Scale: Redness(R); Edema (E), Ecchymosis(E), Discharge from the wound(D); Approximation of the perineal tissues(A))(scale, and visual analogue scale of pain. Examination of healing status of the perinea incision was performed during first 12 h, fifth day and tenth day after labor.Kolmogrov-Smirnov test was used in order to investiagte nomrality of data distribution of quantitative data, and two- independent samples t test, Chi square, repeated measures two factorial analysis of variance and Fischer's exact test were used. SPSS software version 23 was used to analyze data and 0.05 was considered as signifcance level. RESULTS Both groups of Silybum marianum and placebo groups did not differ regarding demographic and midwifery characteristics, hygiene status prior to intervention (P > 0.05). Mean difference of pain severity and REEDA scale in Silybum marianum ointment group in 12 h after labor, at fifth day and tenth day after labor was significant comparing to control group which indicates decline in episiotomy pain severity and faster wound healing (P < 0.001). CONCLUSIONS Silybum marianum ointment ointment accelerates episiotomy wound healing rate due to its healing properties and decreases pain severity. TRIAL REGISTRATION This study was registered in Iranian Registry of Clinical Trials in 10/08/2019 with the IRCT ID: IRCT201811100411603N1.
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Affiliation(s)
- Elmira Toomari
- Student Research Committee, School of Nursing & Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Midwifery & Reproductive Health, School of Nursing & Midwifery, Shahid Beheshti University of Medical Sciences, Vali Asr Ave., Ayatollah Rafsanjani Cross Road, Niayesh Complex, Tehran, 1985717443 Iran
| | - Sepideh Hajian
- Department of Midwifery & Reproductive Health, School of Nursing & Midwifery, Shahid Beheshti University of Medical Sciences, Vali Asr Ave., Ayatollah Rafsanjani Cross Road, Niayesh Complex, Tehran, 1985717443 Iran
- Midwifery & Reproductive Health Research Center, School of Nursing & Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Faraz Mojab
- Department of Pharmacognosy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Vali Asr Ave., Ayatollah Rafsanjani Cross Road, Niayesh Complex, Tehran, 1991953381 Iran
| | - Tayebe Omidkhah
- Guilan University of medical science, Shahid Noorani Hospital, Talesh, Guilan Province 4271937916 Iran
| | - Malihe Nasiri
- Department of Midwifery & Reproductive Health, School of Nursing & Midwifery, Shahid Beheshti University of Medical Sciences, Vali Asr Ave., Ayatollah Rafsanjani Cross Road, Niayesh Complex, Tehran, 1985717443 Iran
- Department of Basic sciences, Faculty of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
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94
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Li D, Cheng S, Pei Y, Sommar P, Kärner J, Herter EK, Toma MA, Zhang L, Pham K, Cheung YT, Liu Z, Chen X, Eidsmo L, Deng Q, Xu Landén N. Single-Cell Analysis Reveals Major Histocompatibility Complex II‒Expressing Keratinocytes in Pressure Ulcers with Worse Healing Outcomes. J Invest Dermatol 2021; 142:705-716. [PMID: 34536485 DOI: 10.1016/j.jid.2021.07.176] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 07/13/2021] [Accepted: 07/26/2021] [Indexed: 12/28/2022]
Abstract
Pressure ulcer (PU) is a chronic wound often seen in patients with spinal cord injury and other bed-bound individuals, particularly in the elderly population. Despite its association with high mortality, the pathophysiology of PU remains poorly understood. In this study, we compared single-cell transcriptomic profiles of human epidermal cells from PU wound edges with those from uninjured skin and acute wounds in healthy donors. We identified significant shifts in the cell composition and gene expression patterns in PU. In particular, we found that major histocompatibility complex class II‒expressing keratinocytes were enriched in patients with worse healing outcomes. Furthermore, we showed that the IFN-γ in PU-derived wound fluid could induce major histocompatibility complex II expression in keratinocytes and that these wound fluid‒treated keratinocytes inhibited autologous T-cell activation. In line with this observation, we found that T cells from PUs enriched with major histocompatibility complex II+ keratinocytes produced fewer inflammatory cytokines. Overall, our study provides a high-resolution molecular map of human PU compared with that of acute wounds and intact skin, providing insights into PU pathology and the future development of tailored wound therapy.
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Affiliation(s)
- Dongqing Li
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Shangli Cheng
- Department of Physiology and Pharmacology, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Ming Wai Lau Centre for Reparative Medicine, Karolinska Institute, Stockholm, Sweden
| | - Yu Pei
- Department of Physiology and Pharmacology, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Pehr Sommar
- Department of Reconstructive Plastic Surgery, Karolinska University Hospital, Stockholm, Sweden
| | - Jaanika Kärner
- Division of Rheumatology, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Eva K Herter
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Maria A Toma
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Letian Zhang
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Kim Pham
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Yuen Ting Cheung
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Zhuang Liu
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Xingqi Chen
- Department of Immunology, Genetics and Pathology, Faculty of Medicine, Uppsala University, Uppsala, Sweden
| | - Liv Eidsmo
- Division of Rheumatology, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Leo Foundation Skin Immunology Center, Department of Immunology and Microbiology, Copenhagen University, Copenhagen, Denmark
| | - Qiaolin Deng
- Department of Physiology and Pharmacology, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ning Xu Landén
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Ming Wai Lau Centre for Reparative Medicine, Karolinska Institute, Stockholm, Sweden.
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95
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Egyptian Olea europaea leaves bioactive extract: Antibacterial and wound healing activity in normal and diabetic rats. J Tradit Complement Med 2021; 11:427-434. [PMID: 34522637 PMCID: PMC8427474 DOI: 10.1016/j.jtcme.2021.02.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 12/29/2020] [Accepted: 02/20/2021] [Indexed: 12/25/2022] Open
Abstract
Background and aim In vitro activity evaluation of Egyptian Olea europaea leaves extracts, and in vivo healing activity assessment of the newly prepared ointment of Olea europaea leaves extracts mingled with Shea butter. Experimental procedure Different extraction methods and solvents were used to extract Egyptian Olea europaea bioactive agent(s). Antibacterial, scavenging activity and in-vivo evaluation of wound repair potentiality of Olea europaea extract were examined in normal and diabetic experimental rat models with induced circular excisions. Results and conclusion Olive leaves extract of Tanta was selected as the most active agent against Methicillin-resistant S. aureus (MRSA), with MIC value 15.6 μg/ml. Moreover, checkerboard dilution technique approved that the interaction between Tanta LEM crude extract and Ciprofloxacin was synergistic. Scavenging activity of the extract against DPPH free radicals was 87.55% at concentration of 50 μg/ml. In vivo normal and diabetic experimental rats treated with Shea butter: Tanta LEM extract (1:3 w/v) showed the maximum wound contraction and healing activity. This is the first work to assess Egyptian olive leaves extract as an effective treatment against MRSA. The novel combination between shea butter and Tanta LEM showed promising wound healing activity in normal and diabetic rats. The combination between Tanta LEM extract and Ciprofloxacin was found to be synergistic.
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96
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Fasiku V, Omolo CA, Devnarain N, Ibrahim UH, Rambharose S, Faya M, Mocktar C, Singh SD, Govender T. Chitosan-Based Hydrogel for the Dual Delivery of Antimicrobial Agents Against Bacterial Methicillin-Resistant Staphylococcus aureus Biofilm-Infected Wounds. ACS OMEGA 2021; 6:21994-22010. [PMID: 34497894 PMCID: PMC8412894 DOI: 10.1021/acsomega.1c02547] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 08/04/2021] [Indexed: 06/13/2023]
Abstract
Chronic wound infections caused by antibiotic-resistant bacteria have become a global health concern. This is attributed to the biofilm-forming ability of bacteria on wound surfaces, thus enabling their persistent growth. In most cases, it leads to morbidity and in severe cases mortality. Current conventional approaches used in the treatment of biofilm wounds are proving to be ineffective due to limitations such as the inability to penetrate the biofilm matrix; hence, biofilm-related wounds remain a challenge. Therefore, there is a need for more efficient alternate therapeutic interventions. Hydrogen peroxide (HP) is a known antibacterial/antibiofilm agent; however, prolonged delivery has been challenging due to its short half-life. In this study, we developed a hydrogel for the codelivery of HP and antimicrobial peptides (Ps) against bacteria, biofilms, and wound infection associated with biofilms. The hydrogel was prepared via the Michael addition technique, and the physiochemical properties were characterized. The safety, in vitro, and in vivo antibacterial/antibiofilm activity of the hydrogel was also investigated. Results showed that the hydrogel is biosafe. A greater antibacterial effect was observed with HP-loaded hydrogels (CS-HP; hydrogel loaded with HP and CS-HP-P; hydrogel loaded with HP and peptide) when compared to HP as seen in an approximately twofold and threefold decrease in minimum inhibitory concentration values against methicillin-resistant Staphylococcus aureus (MRSA) bacteria, respectively. Similarly, both the HP-releasing hydrogels showed enhanced antibiofilm activity in the in vivo study in mice models as seen in greater wound closure and enhanced wound healing in histomorphological analysis. Interestingly, the results revealed a synergistic antibacterial/antibiofilm effect between HP and P in both in vitro and in vivo studies. The successfully prepared HP-releasing hydrogels showed the potential to combat bacterial biofilm-related infections and enhance wound healing in mice models. These results suggest that the HP-releasing hydrogels may be a superior platform for eliminating bacterial biofilms without using antibiotics in the treatment of chronic MRSA wound infections, thus improving the quality of human health.
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Affiliation(s)
- Victoria
O. Fasiku
- Discipline
of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South
Africa
| | - Calvin A. Omolo
- Discipline
of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South
Africa
- School
of Pharmacy and Health Sciences, Department of Pharmaceutics, United States International University-Africa, P.O. Box 14634, Nairobi 00800, Kenya
| | - Nikita Devnarain
- Discipline
of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South
Africa
| | - Usri H. Ibrahim
- Discipline
of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South
Africa
| | - Sanjeev Rambharose
- Department
of Physiological Sciences, Faculty of Science, Stellenbosch University, Private Bag X1 Matieland, Stellenbosch 7602, South Africa
| | - Mbuso Faya
- Discipline
of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South
Africa
| | - Chunderika Mocktar
- Discipline
of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South
Africa
| | - Sanil D. Singh
- Biomedical
Research Unit, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South
Africa
| | - Thirumala Govender
- Discipline
of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South
Africa
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97
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Ying J, Wang Q, Lu L, Liu J, Guo R, Hu H, Jiang H, Qi F. Fermitin family homolog 2 (Kindlin-2) affects vascularization during the wound healing process by regulating the Wnt/β-catenin signaling pathway in vascular endothelial cells. Bioengineered 2021; 12:4654-4665. [PMID: 34338144 PMCID: PMC8806626 DOI: 10.1080/21655979.2021.1957526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Kindlin-2 is a member of the FERM-containing cytoskeletal protein family that regulates cell–matrix interactions. Previous studies have shown that Kindlin-2 recruits focal adhesion proteins and regulates integration by binding to the focal adhesion region of the integrin β-segment. Although Kindlin-2 has been reported to be involved in various skin diseases and many kinds of tumors, its role in the skin wound healing process remains unclear. The aim of the present study was to investigate the role of Kindlin-2 in the regulation of wound healing. The effects of Kindlin-2 on wound healing were studied by a wound healing model, kindlin-2 (±) mice. The effects of Kindlin-2 on cell migration, cellular tube formation, and cell adhesion and spreading were evaluated in human umbilical vein endothelial cells (HUVECs) with downregulated Kindlin-2 expression. We found that the expression of kindlin-2 was elevated in wound healing tissues and that interfering with the expression of Kindlin-2 delayed the wound healing process and reduced neovascularization. We found that the wound healing of kindlin-2 (±) mice was delayed, with a decreased number of new blood vessels. Furthermore, depletion of Kindlin-2 impaired HUVEC spreading, migration and tube formation. Intriguingly, we found that kindlin-2 binds to β-catenin in the Wnt/β-catenin signaling pathway and cooperates with β-catenin to enter the nucleus from the cytoplasm, activating the downstream Wnt/β-catenin signaling pathway. Taken together, these results help to elucidate the mechanism of Kindlin-2 in the regulation of the wound healing process and provide a theoretical basis for further study of wound healing and abnormal healing.
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Affiliation(s)
- Jianghui Ying
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Qiang Wang
- Department of Plastic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lu Lu
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jiaqi Liu
- Department of Plastic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Rong Guo
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Hao Hu
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Hua Jiang
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Fazhi Qi
- Department of Plastic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
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98
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Abedin-Do A, Zhang Z, Douville Y, Méthot M, Rouabhia M. Effect of Electrical Stimulation on Diabetic Human Skin Fibroblast Growth and the Secretion of Cytokines and Growth Factors Involved in Wound Healing. BIOLOGY 2021; 10:biology10070641. [PMID: 34356496 PMCID: PMC8301053 DOI: 10.3390/biology10070641] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 06/29/2021] [Accepted: 07/07/2021] [Indexed: 12/12/2022]
Abstract
Simple Summary With the number of diabetic patients on the rise, diabetes has become a major health issue affecting millions of people worldwide. One complication of diabetes is foot ulcers, which are difficult to repair and are thus associated with major clinical problems that may lead to foot amputation and even patient death. The delayed repair of diabetic foot ulcers is due to the slow growth of one of the cell types involved in wound healing, namely, fibroblasts. Fibroblasts inhabit deep skin tissue. Post-wound, they grow and produce skin tissues to enable other cells to close the wound. Even though normal fibroblast growth can be increased by electrical stimulation, it is not clear whether diabetic fibroblast also responds to electrical stimulation. We demonstrated for the first time that a weak direct current electrical field increased diabetic fibroblast growth. The use of electrical stimulation could thus potentially help heal diabetic foot ulcers and ultimately improve patient health and well-being. Abstract Diabetic foot ulcers are indicative of an impaired wound healing process. This delay may be resolved through electrical stimulation (ES). The goal of the present study was to evaluate the effect of ES on diabetic fibroblast adhesion and growth, and the secretion of cytokines and growth factors. Diabetic human skin fibroblasts (DHSF) were exposed to various intensities of direct current ES (100, 80, 40 and 20 mV/mm). The effect of ES on fibroblast adhesion and growth was evaluated using Hoechst staining, MTT and trypan blue exclusion assays. The secretion of cytokine and growth factor was assessed by cytokine array and ELISA assay. The long-term effects of ES on DHSF shape and growth were determined by optical microscopy and cell count. We demonstrated that ES at 20 and 40 mV/mm promoted cell adhesion, viability and growth. ES also decreased the secretion of pro-inflammatory cytokines IL-6 and IL-8 yet promoted growth factor FGF7 secretion during 48 h post-ES. Finally, the beneficial effect of ES on fibroblast growth was maintained up to 5 days post-ES. Overall results suggest the possible use of low-intensity direct current ES to promote wound healing in diabetic patients.
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Affiliation(s)
- Atieh Abedin-Do
- Groupe de Recherche en Écologie Buccale, Faculté de Médecine Dentaire, Université Laval, Québec, QC G1V 0A6, Canada;
- Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec, Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada; (Z.Z.); (Y.D.); (M.M.)
| | - Ze Zhang
- Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec, Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada; (Z.Z.); (Y.D.); (M.M.)
| | - Yvan Douville
- Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec, Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada; (Z.Z.); (Y.D.); (M.M.)
| | - Mireille Méthot
- Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec, Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada; (Z.Z.); (Y.D.); (M.M.)
| | - Mahmoud Rouabhia
- Groupe de Recherche en Écologie Buccale, Faculté de Médecine Dentaire, Université Laval, Québec, QC G1V 0A6, Canada;
- Correspondence: ; Tel.: +1-418-656-2131 (ext. 416321)
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van der Plas MJA, Cai J, Petrlova J, Saleh K, Kjellström S, Schmidtchen A. Method development and characterisation of the low-molecular-weight peptidome of human wound fluids. eLife 2021; 10:e66876. [PMID: 34227939 PMCID: PMC8260221 DOI: 10.7554/elife.66876] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 06/03/2021] [Indexed: 01/13/2023] Open
Abstract
The normal wound healing process is characterised by proteolytic events, whereas infection results in dysfunctional activations by endogenous and bacterial proteases. Peptides, downstream reporters of these proteolytic actions, could therefore serve as a promising tool for diagnosis of wounds. Using mass-spectrometry analyses, we here for the first time characterise the peptidome of human wound fluids. Sterile post-surgical wound fluids were found to contain a high degree of peptides in comparison to human plasma. Analyses of the peptidome from uninfected healing wounds and Staphylococcus aureus -infected wounds identify unique peptide patterns of various proteins, including coagulation and complement factors, proteases, and antiproteinases. Together, the work defines a workflow for analysis of peptides derived from wound fluids and demonstrates a proof-of-concept that such fluids can be used for analysis of qualitative differences of peptide patterns from larger patient cohorts, providing potential biomarkers for wound healing and infection.
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Affiliation(s)
- Mariena JA van der Plas
- Division of Dermatology and Venereology, Department of Clinical Sciences, Lund UniversityLundSweden
- LEO Foundation Center for Cutaneous Drug Delivery, Department of Pharmacy, University of CopenhagenCopenhagenDenmark
| | - Jun Cai
- LEO Foundation Center for Cutaneous Drug Delivery, Department of Pharmacy, University of CopenhagenCopenhagenDenmark
| | - Jitka Petrlova
- Division of Dermatology and Venereology, Department of Clinical Sciences, Lund UniversityLundSweden
| | - Karim Saleh
- Division of Dermatology and Venereology, Department of Clinical Sciences, Lund UniversityLundSweden
- Dermatology, Skane University HospitalLundSweden
| | - Sven Kjellström
- Division of Mass Spectrometry, Department of Clinical Sciences, Lund UniversityLundSweden
| | - Artur Schmidtchen
- Division of Dermatology and Venereology, Department of Clinical Sciences, Lund UniversityLundSweden
- Dermatology, Skane University HospitalLundSweden
- Copenhagen Wound Healing Center, Bispebjerg Hospital, Department of Biomedical Sciences, University of CopenhagenCopenhagenDenmark
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Luan Z, Zhang H, Hu J, Zhang J, Liu Y. Crosslinked carboxymethyl starch nanofiber mats: Preparation, water resistance and exudates control ability. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110568] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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