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Dovrolis N, Filidou E, Tarapatzi G, Kokkotis G, Spathakis M, Kandilogiannakis L, Drygiannakis I, Valatas V, Arvanitidis K, Karakasiliotis I, Vradelis S, Manolopoulos VG, Paspaliaris V, Bamias G, Kolios G. Co-expression of fibrotic genes in inflammatory bowel disease; A localized event? Front Immunol 2022; 13:1058237. [PMID: 36632136 PMCID: PMC9826764 DOI: 10.3389/fimmu.2022.1058237] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 12/08/2022] [Indexed: 12/27/2022] Open
Abstract
Introduction Extracellular matrix turnover, a ubiquitous dynamic biological process, can be diverted to fibrosis. The latter can affect the intestine as a serious complication of Inflammatory Bowel Diseases (IBD) and is resistant to current pharmacological interventions. It embosses the need for out-of-the-box approaches to identify and target molecular mechanisms of fibrosis. Methods and results In this study, a novel mRNA sequencing dataset of 22 pairs of intestinal biopsies from the terminal ileum (TI) and the sigmoid of 7 patients with Crohn's disease, 6 with ulcerative colitis and 9 control individuals (CI) served as a validation cohort of a core fibrotic transcriptomic signature (FIBSig), This signature, which was identified in publicly available data (839 samples from patients and healthy individuals) of 5 fibrotic disorders affecting different organs (GI tract, lung, skin, liver, kidney), encompasses 241 genes and the functional pathways which derive from their interactome. These genes were used in further bioinformatics co-expression analyses to elucidate the site-specific molecular background of intestinal fibrosis highlighting their involvement, particularly in the terminal ileum. We also confirmed different transcriptomic profiles of the sigmoid and terminal ileum in our validation cohort. Combining the results of these analyses we highlight 21 core hub genes within a larger single co-expression module, highly enriched in the terminal ileum of CD patients. Further pathway analysis revealed known and novel inflammation-regulated, fibrogenic pathways operating in the TI, such as IL-13 signaling and pyroptosis, respectively. Discussion These findings provide a rationale for the increased incidence of fibrosis at the terminal ileum of CD patients and highlight operating pathways in intestinal fibrosis for future evaluation with mechanistic and translational studies.
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Affiliation(s)
- Nikolas Dovrolis
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Laboratory of Biology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Individualised Medicine & Pharmacological Research Solutions Center (IMPReS), Alexandroupolis, Greece,*Correspondence: George Kolios, ; Nikolas Dovrolis,
| | - Eirini Filidou
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Individualised Medicine & Pharmacological Research Solutions Center (IMPReS), Alexandroupolis, Greece
| | - Gesthimani Tarapatzi
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Individualised Medicine & Pharmacological Research Solutions Center (IMPReS), Alexandroupolis, Greece
| | - Georgios Kokkotis
- Gastrointestinal (GI) Unit, 3 Department of Internal Medicine, Sotiria Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Michail Spathakis
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Individualised Medicine & Pharmacological Research Solutions Center (IMPReS), Alexandroupolis, Greece
| | - Leonidas Kandilogiannakis
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Individualised Medicine & Pharmacological Research Solutions Center (IMPReS), Alexandroupolis, Greece
| | - Ioannis Drygiannakis
- Gastroenterology and Hepatology Research Laboratory, Medical School, University of Crete, Heraklion, Greece
| | - Vassilis Valatas
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Gastroenterology and Hepatology Research Laboratory, Medical School, University of Crete, Heraklion, Greece
| | - Konstantinos Arvanitidis
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Individualised Medicine & Pharmacological Research Solutions Center (IMPReS), Alexandroupolis, Greece
| | - Ioannis Karakasiliotis
- Laboratory of Biology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | - Stergios Vradelis
- Second Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Vangelis G. Manolopoulos
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Individualised Medicine & Pharmacological Research Solutions Center (IMPReS), Alexandroupolis, Greece
| | | | - Giorgos Bamias
- Gastrointestinal (GI) Unit, 3 Department of Internal Medicine, Sotiria Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - George Kolios
- Laboratory of Pharmacology, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece,Individualised Medicine & Pharmacological Research Solutions Center (IMPReS), Alexandroupolis, Greece,*Correspondence: George Kolios, ; Nikolas Dovrolis,
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202
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Ahmad N. In Vitro and In Vivo Characterization Methods for Evaluation of Modern Wound Dressings. Pharmaceutics 2022; 15:pharmaceutics15010042. [PMID: 36678671 PMCID: PMC9864730 DOI: 10.3390/pharmaceutics15010042] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/10/2022] [Accepted: 12/17/2022] [Indexed: 12/25/2022] Open
Abstract
Chronic wound management represents a major challenge in the healthcare sector owing to its delayed wound-healing process progression and huge financial burden. In this regard, wound dressings provide an appropriate platform for facilitating wound healing for several decades. However, adherent traditional wound dressings do not provide effective wound healing for highly exudating chronic wounds and need the development of newer and innovative wound dressings to facilitate accelerated wound healing. In addition, these dressings need frequent changing, resulting in more pain and discomfort. In order to overcome these issues, a wide range of affordable and innovative modern wound dressings have been developed and explored recently to accelerate and improve the wound healing process. However, a comprehensive understanding of various in vitro and in vivo characterization methods being utilized for the evaluation of different modern wound dressings is lacking. In this context, an overview of modern dressings and their complete in vitro and in vivo characterization methods for wound healing assessment is provided in this review. Herein, various emerging modern wound dressings with advantages and challenges have also been reviewed. Furthermore, different in vitro wound healing assays and in vivo wound models being utilized for the evaluation of wound healing progression and wound healing rate using wound dressings are discussed in detail. Finally, a summary of modern wound dressings with challenges and the future outlook is highlighted.
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Affiliation(s)
- Naveed Ahmad
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka 72388, Aljouf, Saudi Arabia
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203
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Niebergall-Roth E, Frank NY, Ganss C, Frank MH, Kluth MA. Skin-Derived ABCB5 + Mesenchymal Stem Cells for High-Medical-Need Inflammatory Diseases: From Discovery to Entering Clinical Routine. Int J Mol Sci 2022; 24:66. [PMID: 36613507 PMCID: PMC9820160 DOI: 10.3390/ijms24010066] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/16/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022] Open
Abstract
The ATP-binding cassette superfamily member ABCB5 identifies a subset of skin-resident mesenchymal stem cells (MSCs) that exhibit potent immunomodulatory and wound healing-promoting capacities along with superior homing ability. The ABCB5+ MSCs can be easily accessed from discarded skin samples, expanded, and delivered as a highly homogenous medicinal product with standardized potency. A range of preclinical studies has suggested therapeutic efficacy of ABCB5+ MSCs in a variety of currently uncurable skin and non-skin inflammatory diseases, which has been substantiated thus far by distinct clinical trials in chronic skin wounds or recessive dystrophic epidermolysis bullosa. Therefore, skin-derived ABCB5+ MSCs have the potential to provide a breakthrough at the forefront of MSC-based therapies striving to fulfill current unmet medical needs. The most recent milestones in this regard are the approval of a phase III pivotal trial of ABCB5+ MSCs for treatment of recessive dystrophic and junctional epidermolysis bullosa by the US Food and Drug Administration, and national market access of ABCB5+ MSCs (AMESANAR®) for therapy-refractory chronic venous ulcers under the national hospital exemption pathway in Germany.
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Affiliation(s)
| | - Natasha Y. Frank
- Department of Medicine, VA Boston Healthcare System, Boston, MA 02132, USA
- Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
- Transplant Research Program, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Christoph Ganss
- TICEBA GmbH, 69120 Heidelberg, Germany
- RHEACELL GmbH & Co. KG, 69120 Heidelberg, Germany
| | - Markus H. Frank
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
- Transplant Research Program, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Dermatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- School of Medical and Health Sciences, Edith Cowan University, Perth 6027, Australia
| | - Mark A. Kluth
- TICEBA GmbH, 69120 Heidelberg, Germany
- RHEACELL GmbH & Co. KG, 69120 Heidelberg, Germany
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204
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Jiao Y, Niu Y, Chen X, Luo M, Huang S, Cao T, Shi G, Wei A, Huang J. Gelatin Microspheres Loaded with Wharton's Jelly Mesenchymal Stem Cells Promote Acute Full-Thickness Skin Wound Healing and Regeneration in Mice. Adv Wound Care (New Rochelle) 2022; 12:371-386. [PMID: 36245193 DOI: 10.1089/wound.2022.0034] [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: 12/15/2022] Open
Abstract
Objective: At present, there is an urgent need to develop a novel and practical therapeutic approach to accelerate the healing of acute wounds. Mesenchymal stem cell (MSC)-based therapy is emerging as a promising therapeutic approach for acute skin wounds. However, there are still challenges in clinical application of this strategy, such as low survivability, low retention time, and less engraftment in skin wounds. Approach: Wharton's jelly mesenchymal stem cells (WJMSCs) were seeded into three-dimensional (3D) gelatin microspheres (GMs) to identify the biocompatibility of GMs. WJMSCs were embedded in GMs and then encapsulated with Pluronic F-127 (PF-127) and sodium ascorbyl phosphate (SAP) combination to transplant onto acute full-thickness skin wound in mice. Histology, immunohistochemistry, and immunofluorescence assay were used to investigate the skin wound healing, dermis regeneration, collagen deposition, cell proliferation, and neovascularization. Results: Three-dimensional GM had strong biocompatibility, compared with two-dimensional adherent culturing, GM loading increased the cell viability and proliferation ability of WJMSCs. WJMSCs+GM+PF-127+SAP transplantation increased skin wound healing rate, dermis regeneration, and type III collagen deposition through improving macrophage polarization, cell proliferation, neovascularization, cell retention, and engraftment at skin wound site. Innovation: The effective 3D encapsulation technology for WJMSCs solved the main problems of cell activity and residence time during MSC transplantation. WJMSCs+GM+PF-127+SAP transplantation will be a new and effective MSC biomaterials-based therapeutic strategy for acute skin traumatic wounds. Conclusion: WJMSCs+GM+PF-127+SAP transplantation facilitated acute full-thickness skin wound healing and regeneration and might be a new and effective therapy for acute skin traumatic wounds.
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Affiliation(s)
- Yiren Jiao
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Yongxia Niu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Xiaolin Chen
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Mingxun Luo
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Sunxing Huang
- Key Laboratory of Reproductive Medicine of Guangdong Province, The First Affiliated Hospital and School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Tianqi Cao
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Guang Shi
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Aisheng Wei
- Foshan Hospital of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, Foshan, China
| | - Junjiu Huang
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China.,Key Laboratory of Reproductive Medicine of Guangdong Province, The First Affiliated Hospital and School of Life Sciences, Sun Yat-sen University, Guangzhou, China
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205
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Biopolymer-Based Wound Dressings with Biochemical Cues for Cell-Instructive Wound Repair. Polymers (Basel) 2022; 14:polym14245371. [PMID: 36559739 PMCID: PMC9783382 DOI: 10.3390/polym14245371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/25/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
Regenerative medicine is an active research sphere that focuses on the repair, regeneration, and replacement of damaged tissues and organs. A plethora of innovative wound dressings and skin substitutes have been developed to treat cutaneous wounds and are aimed at reducing the length or need for a hospital stay. The inception of biomaterials with the ability to interact with cells and direct them toward desired lineages has brought about innovative designs in wound healing and tissue engineering. This cellular engagement is achieved by cell cues that can be biochemical or biophysical in nature. In effect, these cues seep into innate repair pathways, cause downstream cell behaviours and, ultimately, lead to advantageous healing. This review will focus on biomolecules with encoded biomimetic, instructive prompts that elicit desired cellular domino effects to achieve advanced wound repair. The wound healing dressings covered in this review are based on functionalized biopolymeric materials. While both biophysical and biochemical cues are vital for advanced wound healing applications, focus will be placed on biochemical cues and in vivo or clinical trial applications. The biochemical cues aforementioned will include peptide therapy, collagen matrices, cell-based therapy, decellularized matrices, platelet-rich plasma, and biometals.
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206
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Pooprommin P, Manaspon C, Dwivedi A, Mazumder A, Sangkaew S, Wanmasae S, Tangpong J, Ongtanasup T, Eawsakul K. Alginate/pectin dressing with niosomal mangosteen extract for enhanced wound healing: evaluating skin irritation by structure-activity relationship. Heliyon 2022; 8:e12032. [PMID: 36506386 PMCID: PMC9727648 DOI: 10.1016/j.heliyon.2022.e12032] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/28/2022] [Accepted: 11/24/2022] [Indexed: 12/12/2022] Open
Abstract
Most modern wound dressings assist the wound-healing process. In contrast, conventional wound dressings have limited antibacterial activity and promote sporadic fibroblast growth. Therefore, wound dressings with prolonged substance release must be improved. This research aimed to develop hydrogel films. These were synthesized from alginate and pectin, incorporated with mangosteen extract (ME), and encapsulated in niosomes (ME-loaded niosomes). Subsequently, we examined the in vitro release and physical characteristics of ME-loaded niosomes. These characteristics included particle pH, size, charge, polydispersity index (PDI), and drug loading properties. These properties included drug loading content (DLC), entrapment efficiency (EE), and yield (Y). Additionally, we examined the swelling ratio and biological characteristics of the hydrogel film. These characteristics included antibacterial activity, cytotoxicity (L929), cell attachment to the tested materials, cell migration, hemocompatibility, and in vivo irritation. Significant results were obtained using a 2:1 niosome preparation containing Span60 and cholesterol. Ratio influenced size, charge, PDI, DLC, EE, and Y. The results were 225.5 ± 5.83 nm, negatively charged, 0.38, 16.2 ± 0.87%, 64.8 ± 3.49%, and 87.3 ± 3.09%, respectively. Additionally, the release of encapsulated ME was pH sensitive because 85% of the ME can be released at a pH of 5.5 within seven days and decrease to 70% at a pH of 7.4. The maximum swelling ratios of patches with 0.5% and 1% Ca2+ crosslinking were 867 wt% and 1,025 wt%, respectively, after 30 min. These results suggested that a medium dose (15 mg) of niosomal ME incorporated in a hydrogel film provided better bacterial inhibition, cell migration, and cell adhesion in an in vitro model. Additionally, no toxicity was observed in the fibroblasts and red blood cells. Therefore, given the above-mentioned advantages, this product can be a promising candidate for wound dressing applications.
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Affiliation(s)
| | - Chawan Manaspon
- Biomedical Engineering Institute, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Anupma Dwivedi
- Faculty of Pharmacy, Charles University, Hradec Králové, Czech Republic
| | - Anisha Mazumder
- Faculty of Pharmacy, Charles University, Hradec Králové, Czech Republic
| | - Surat Sangkaew
- School of Medicine, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Smith Wanmasae
- School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Jitbanjong Tangpong
- School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand,Research Excellence Center for Innovation and Health Products (RECIHP), Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Tassanee Ongtanasup
- School of Medicine, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Komgrit Eawsakul
- School of Medicine, Walailak University, Nakhon Si Thammarat 80160, Thailand,Research Excellence Center for Innovation and Health Products (RECIHP), Walailak University, Nakhon Si Thammarat 80160, Thailand,Corresponding author.
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207
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Wang L, Zhang W, Cen R, Yue C, Xiao T, Deng Y, Li L, Sun K, Lei X. ALA-PDT regulates macrophage M1 polarization via ERK/MAPK-NLRP3 pathway to promote the early inflammatory response. Lasers Surg Med 2022; 54:1309-1320. [PMID: 36403288 DOI: 10.1002/lsm.23618] [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: 04/10/2022] [Revised: 07/20/2022] [Accepted: 11/02/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND Photodynamic therapy (PDT) is a promising new approach to promote wound healing and its effectiveness has been demonstrated in both clinical and animal studies. Macrophages are the key cells in wound healing and inflammatory response. However, the mechanism of action of PDT on macrophages in promoting wound healing is still unclear. METHODS In this study, RAW264.7 cells were used. We analyzed the expression levels of macrophage markers arginase 1 (Arg-1), CD206, iNOS, CD86, and inflammatory factors IL-6, TNF-α, and IL-1β by reverse transcription-polymerase chain reaction and Western blot, Milliplex microtubule-associated protein multiplex assay was performed to analyze the expression of inflammatory factors in the supernatant. Live cell Imaging System to observe the dynamic process of macrophage phagocytosis. Western blot was performed to observe the activation of extracellular signal-regulated kinase/mitogen-activated protein kinase (ERK/MAPK) and NOD-like receptor protein 3 (NLRP3) inflammasome. RESULTS 5-Aminolevulinic acid (ALA)-PDT increased the expression of M1 marker iNOS/CD86 and decreased the expression of Arg-1/CD206 in RAW264.7 cells, while, proinflammatory factors IL-6, TNF-α, and IL-1β expression was enhanced and macrophage phagocytosis was increased. We also found that these phenomena were associated with activation of the ERK/MAPK-NLRP3 pathway. CONCLUSION ALA-PDT promotes early inflammatory responses by regulating macrophage M1 polarization through the ERK/MAPK-NLRP3 pathway. It also promotes macrophage phagocytosis.
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Affiliation(s)
- Liqun Wang
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Wentao Zhang
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Ruiyan Cen
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Chenda Yue
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Tianzhen Xiao
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Yumeng Deng
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Lingfei Li
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Kedai Sun
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Xia Lei
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
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208
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Rajendran NK, Houreld NN. Photobiomodulation hastens diabetic wound healing via modulation of the PI3K/AKT/FoxO1 pathway in an adipose derived stem cell-fibroblast co-culture. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY 2022. [DOI: 10.1016/j.jpap.2022.100157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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209
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Zhu M, Li Y, Liu L, Zhai X. Circ_0057452 sponges miR-7-5p to promote keloid progression through upregulating GAB1. Cell Cycle 2022; 21:2471-2483. [PMID: 35876480 PMCID: PMC9677988 DOI: 10.1080/15384101.2022.2102796] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Increasing evidence has shown that circular RNAs (circRNAs) play critical roles in various diseases, including keloid. The purpose of this study was to investigate the role of circ_0057452 and related action mechanisms during the development of keloid. The expression levels of circ_0057452, microRNA-7-5p (miR-7-5p) and GRB2 associated binding protein 1 (GAB1) mRNA were determined by quantitative real-time PCR (qRT-PCR). Cell proliferation was evaluated using methylthiazolyldiphenyl-tetrazolium bromide (MTT) and 5-Ethynyl-2'-deoxyuridine (Edu) assays. Flow cytometry analysis was utilized to determine cell cycle distribution and cell apoptosis. Western blot assay was used to measure apoptosis-related, collagen synthesis-related, and GAB1 protein levels. Cell migration and invasion were detected by wound healing assay and transwell assay. The interaction between miR-7-5p and circ_0057452 or GAB1 was confirmed by dual-luciferase reporter, RNA pull-down, and RNA Immunoprecipitation (RIP) assays. Circ_0057452 and GAB1 were upregulated in keloid tissues and keloid fibroblasts (KFs), while miR-7-5p was downregulated. Circ_0057452 knockdown or miR-7-5p overexpression inhibited the proliferation, migration, invasion, and collagen synthesis and induced cell cycle arrest and apoptosis of KFs. MiR-7-5p was targeted by circ_0057452, and its inhibition overturned the effects of circ_0057452 knockdown. In addition, GAB1 was a target of miR-7-5p, and GAB1 upregulation abolished the role of miR-7-5p overexpression and circ_0057452 knockdown in KFs. Circ_0057452 regulated the expression of GAB1 by adsorbing miR-7-5p in KFs. Circ_0057452 knockdown suppressed keloid development by regulating miR-7-5p/GAB1 axis, which might provide a promising therapeutic target for keloid.
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Affiliation(s)
- Mengying Zhu
- Department of Plastic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yonglin Li
- Department of Plastic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Linbo Liu
- Department of Plastic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaomei Zhai
- Department of Plastic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China,CONTACT Xiaomei Zhai Department of Plastic Surgery, the First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou450000, China
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210
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Maljaars LP, Bendaoud S, Kastelein AW, Guler Z, Hooijmans CR, Roovers JPWR. Application of amniotic membranes in reconstructive surgery of internal organs-A systematic review and meta-analysis. J Tissue Eng Regen Med 2022; 16:1069-1090. [PMID: 36333859 PMCID: PMC10099938 DOI: 10.1002/term.3357] [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: 05/16/2022] [Accepted: 10/20/2022] [Indexed: 11/08/2022]
Abstract
Amniotic membrane (AM) has great potential as a scaffold for tissue regeneration in reconstructive surgery. To date, no systematic review of the literature has been performed for the applications of AM in wound closure of internal organs. Therefore, in this systematic review and meta-analysis, we summarize the literature on the safety and efficacy of AM for the closure of internal organs. A systematic search was performed in MEDLINE-PubMed database and OVID Embase to retrieve human and controlled animal studies on wound closure of internal organs. The Cochrane Risk of Bias tool for randomized clinical trials and the SYRCLE risk of bias tool for animal studies were used. Meta-analyses (MAs) were conducted for controlled animal studies to assess efficacy of closure, mortality and complications in subjects who underwent surgical wound closure in internal organs with the application of AM. Sixty references containing 26 human experiments and 36 animal experiments were included. The MAs of the controlled animal studies showed comparable results with regard to closure, mortality and complications, and suggested improved mechanical strength and lower inflammation scores after AM application when compared to standard surgical closure techniques. This systematic review and MAs demonstrate that the application of AM to promote wound healing of internal organs appears to be safe, efficacious, and feasible.
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Affiliation(s)
- Lennart P Maljaars
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
| | - Sohayla Bendaoud
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
| | - Arnoud W Kastelein
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
| | - Zeliha Guler
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
| | - Carlijn R Hooijmans
- Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jan-Paul W R Roovers
- Department of Obstetrics and Gynecology, Amsterdam University Medical Centers, location University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Reproduction and Development research institute, Amsterdam, The Netherlands
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211
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Rajasekaran R, Dutta A, Ray PG, Seesala VS, Ojha AK, Dogra N, Roy S, Banerjee M, Dhara S. High fibroin-loaded silk-PCL electrospun fiber with core-shell morphology promotes epithelialization with accelerated wound healing. J Mater Chem B 2022; 10:9622-9638. [PMID: 36366984 DOI: 10.1039/d2tb01890j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Silk fibroin (SF) is a widely explored biopolymer for wound-healing applications due to the presence of amino acids in the biodegradable polymer chain with superior mechanical properties. Herein, a high SF-loaded fibrous matrix along with poly(ε-caprolactone) (PCL) was fabricated using electrospinning of emulsion and blend compositions to modulate nanostructure morphology. A comparative study of the physicomechanical properties of electrospun fibers with emulsion (eS7P3) and homogenous blend (bS7P3) was performed as well. In both compositions, SF loading of up to 70% was successfully achieved in the spun fibers while emulsion yielded core-shell morphology, and the blend resulted in monolith fiber architecture as evidenced by TEM microscopy. Further characterization revealed superior mechanical properties in S7P3 fiber with core-shell morphology, as compared to those in the monolith in terms of a higher degree of crystallinity with Young's modulus of 60 MPa under tensile test and nanoindentation modulus of 1.59 ± 0.8 GPa. Further, eS7P3 nanostructure morphology containing silk in the core with a thin outer layer of PCL facilitated relatively faster biodegradation in the lysozyme medium, as compared to that in the monolith. Owing to the presence of a hydrophobic shell, protein adsorption on the fibrous mat presented slow but steady kinetics up to 24 h. When the scaffold was seeded with human placenta-derived mesenchymal stem cells (hPMSCs), in vitro study confirmed that the eS7P3 structure had marginally higher cell proliferation with superior cell infiltration than the monolith. Further, in vivo study involving a rodent model showed the potential of the eS7P3 fiber substrate with a core-shell structure for accelerating full-thickness wound healing by inducing hair follicle and wound closure with less scar formation after 15 days.
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Affiliation(s)
- Ragavi Rajasekaran
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, India. .,Rajendra Mishra School of Engineering and Entrepreneurship, Indian Institute of Technology Kharagpur, India
| | - Abir Dutta
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, India.
| | - Preetam Guha Ray
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, India.
| | | | - Atul Kumar Ojha
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, India.
| | - Nantu Dogra
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, India.
| | - Sabyasachi Roy
- Department of Gynaecology, Midnapore Medical College, Paschim Medinipur, India
| | - Mamoni Banerjee
- Rajendra Mishra School of Engineering and Entrepreneurship, Indian Institute of Technology Kharagpur, India
| | - Santanu Dhara
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, India.
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212
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Zhang D, Zhu H, Yu X, Wang L, Wen Y, Zhang L, Tong J, Shen Y. Blue light attenuates TGF-β2-induced epithelial-mesenchymal transition in human lens epithelial cells via autophagy impairment. BMC Ophthalmol 2022; 22:456. [DOI: 10.1186/s12886-022-02691-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 11/16/2022] [Indexed: 11/29/2022] Open
Abstract
Abstract
Background
Pathogenesis of posterior capsular opacification (PCO) was related to pathological epithelial-mesenchymal transition (EMT) of lens epithelial cells (LECs). It has been reported that blue light could have an effect on EMT. This study aims to elucidate the role and potential mechanism of autophagy in EMT after blue light exposure in LECs.
Methods
HLE-B3 cells were treated with TGF-β2 with different concentration and time to induce EMT as a model of PCO in vitro. Cells were exposed to blue light with or without TGF-β2. The expression levels of EMT-associated markers were analyzed by qRT-PCR, western blotting and cell migration ability was determined by transwell migration assay and wound healing assay. The expressions of autophagy-related proteins were analyzed by western blotting, immunofluorescence and transmission electron microscopy. Rapamycin and chloroquine were utilized in cells for autophagy activation and inhibition.
Results
TGF-β2 induced autophagy activation during EMT progression in HLE-B3 cells in a dose- and time-dependent manner. Blue light exposure inhibited TGF-β2-induced EMT characterized by inhibited expression of EMT related markers and reduced migration capacity. Meanwhile, blue light exposure impaired autophagy activated by TGF-β2. Furthermore, Autophagy activation with rapamycin rescued EMT attenuated by blue light. Autophagy inhibition with chloroquine reduced TGF-β2-induced EMT in HLE-B3 cells.
Conclusion
Blue light exposure had inhibited effects on TGF-β2-induced EMT in LECs through autophagy impairment, which provides a new insight on prevention and treatment of PCO.
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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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Estimation of Early Postmortem Interval from Long Noncoding RNA Gene Expression in the Incised Cutaneous Wound: An Experimental Study. Biomedicines 2022; 10:biomedicines10112919. [PMID: 36428487 PMCID: PMC9687757 DOI: 10.3390/biomedicines10112919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/19/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
The assessment of alteration of postmortem RNA expression has forensic significance in estimating postmortem interval. To evaluate wound healing progression and the effect of different postmortem intervals, histopathological changes, immunohistochemical matrix metalloproteinase-9 (MMP-9) expression, and long noncoding fatty acid oxidation (lncFAO), RNA expression was assessed in the incised cutaneous wound model. A full-thickness cutaneous wound was inflicted on 75 rats. All 15 rats were sacrificed at different post-infliction intervals (0, 2, 4, 8 and 10 days), and the cutaneous wounds (n = 5) were excised at different postmortem intervals (0, 5, and 24 h after euthanasia). The maximal inflammatory healing stage was detected at day 4 post-infliction, while near complete healing, thick mature collagen deposition was detected at day 10 post-infliction. LncFAO expression was significantly over-expressed with increasing wound age. MMP-9 was detectable on injury day with continuous elevation until 8 days post-wounding, which later decreased. Although histopathological and immunohistochemical examinations within 24 h postmortem did not show any remarkable changes, lncFAO RNA expression showed a significant negative correlation with hours passed since death. The combined use of histopathological changes, immunohistochemical expression of MMP-9, and molecular expression of lncFAO could be appropriate in wound dating verification. Among these factors, lncFAO could be a reliable indicator in postmortem interval estimation.
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215
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Anticoagulant Usage After Anterior Cruciate Ligament Reconstruction Is Associated With Increased Rate of Manipulation Under Anesthesia. J Am Acad Orthop Surg 2022; 31:574-580. [PMID: 36368041 DOI: 10.5435/jaaos-d-20-01358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 08/18/2022] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Arthrofibrosis after anterior cruciate ligament reconstruction (ACLR) is a notable but uncommon complication of ACLR. To improve range of motion after ACLR, aggressive physical therapy, arthroscopic/open lysis of adhesions, and revision surgery are currently used. Manipulation under anesthesia (MUA) is also a reasonable choice for an appropriate subset of patients with inadequate range of motion after ACLR. Recently, the correlation between anticoagulant usage and arthrofibrosis after total knee arthroplasty has become an area of interest. The purpose of this study was to determine whether anticoagulant use has a similar effect on the incidence of MUA after ACLR. METHODS The Mariner data set of the PearlDiver database was used to conduct this retrospective cohort study. Patients with an isolated ACLR were identified by using Current Procedural Terminology codes. Patients were then stratified by MUA within 2 years of ACLR, and the use of postoperative anticoagulation was identified. In addition, patient demographics, medical comorbidities, and timing of ACLR were recorded. Univariate and multivariable analyses were used to model independent risk factors for MUA. RESULTS We identified 216,147 patients who underwent isolated ACLR. Of these patients, 3,494 (1.62%) underwent MUA within 2 years. Patients who were on anticoagulants after ACLR were more likely to require an MUA (odds ratio [OR]: 2.181; P < 0.001), specifically low-molecular-weight heparin (OR: 2.651; P < 0.001), warfarin (OR: 1.529; P < 0.001), and direct factor Xa inhibitors (OR: 1.957; P < 0.001). DISCUSSION In conclusion, arthrofibrosis after ACLR is associated with the use of preoperative or postoperative thromboprophylaxis. Healthcare providers should be aware of increased stiffness among these patients and treat them aggressively.
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Wang W, Zhao J, Zhang C, Zhang W, Jin M, Shao Y. Current advances in the selection of adjuvant radiotherapy regimens for keloid. Front Med (Lausanne) 2022; 9:1043840. [DOI: 10.3389/fmed.2022.1043840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 10/20/2022] [Indexed: 11/10/2022] Open
Abstract
Keloid is a common benign skin tumor in the outpatient department, and patients are often accompanied by itching and pain. Since the pathogenesis is unknown, the effect of single method treatment is unsatisfactory, and therefore the recurrence rate is high. Therefore, comprehensive treatment is mostly used in clinical treatment. Adjuvant radiotherapy is currently one of the most effective treatments for keloid. After long-term clinical practice, brachytherapy and electron beam radiotherapy has increasingly become the gold standard of treatment, because brachytherapy provides more focused radiation treatment to focal tissue to significantly reduce recurrence rate, and better preserve normal tissue. With the development of new radiotherapy techniques, more options for the treatment of keloid. Currently, adjuvant radiotherapy has been widely recognized, but there is no consensus on the optimal protocol for adjuvant radiotherapy for keloids. This review provides a review of published treatment options and new radiotherapy techniques for adjuvant radiotherapy of keloids and gives a comprehensive evaluation for clinical treatment.
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217
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The transcriptional profile of keloidal Schwann cells. Exp Mol Med 2022; 54:1886-1900. [PMID: 36333467 PMCID: PMC9722693 DOI: 10.1038/s12276-022-00874-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/07/2022] [Accepted: 08/08/2022] [Indexed: 11/06/2022] Open
Abstract
Recently, a specific Schwann cell type with profibrotic and tissue regenerative properties that contributes to keloid formation has been identified. In the present study, we reanalyzed published single-cell RNA sequencing (scRNA-seq) studies of keloids, healthy skin, and normal scars to reliably determine the specific gene expression profile of keloid-specific Schwann cell types in more detail. We were able to confirm the presence of the repair-like, profibrotic Schwann cell type in the datasets of all three studies and identified a specific gene-set for these Schwann cells. In contrast to keloids, in normal scars, the number of Schwann cells was not increased, nor was their gene expression profile distinctly different from that of Schwann cells of normal skin. In addition, our bioinformatics analysis provided evidence for a role of transcription factors of the AP1, STAT, and KLF families, and members of the IER genes in the dedifferentiation process of keloidal Schwann cells. Together, our analysis strengthens the role of the profibrotic Schwann cell type in the formation of keloids. Knowledge of the exact gene expression profile of these Schwann cells will facilitate their identification in other organs and diseases.
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218
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Neupane YR, Handral HK, Alkaff SA, Chng WH, Venkatesan G, Huang C, Lee CK, Wang JW, Sriram G, Dienzo RA, Lu WF, Ali Y, Czarny B, Pastorin G. Cell-derived nanovesicles from mesenchymal stem cells as extracellular vesicle-mimetics in wound healing. Acta Pharm Sin B 2022; 13:1887-1902. [DOI: 10.1016/j.apsb.2022.10.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 09/08/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
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219
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Alam MR, Shahid MA, Alimuzzaman S, Khan AN. Sources, extractions and applications of bio-maker collagen- A review. BIOMEDICAL ENGINEERING ADVANCES 2022. [DOI: 10.1016/j.bea.2022.100064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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220
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Khani ME, Osman OB, Harris ZB, Chen A, Zhou JW, Singer AJ, Arbab MH. Accurate and early prediction of the wound healing outcome of burn injuries using the wavelet Shannon entropy of terahertz time-domain waveforms. JOURNAL OF BIOMEDICAL OPTICS 2022; 27:JBO-220119GR. [PMID: 36348509 PMCID: PMC9641274 DOI: 10.1117/1.jbo.27.11.116001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 10/14/2022] [Indexed: 05/06/2023]
Abstract
Significance Severe burn injuries cause significant hypermetabolic alterations that are highly dynamic, hard to predict, and require acute and critical care. The clinical assessments of the severity of burn injuries are highly subjective and have consistently been reported to be inaccurate. Therefore, the utilization of other imaging modalities is crucial to reaching an objective and accurate burn assessment modality. Aim We describe a non-invasive technique using terahertz time-domain spectroscopy (THz-TDS) and the wavelet packet Shannon entropy to automatically estimate the burn depth and predict the wound healing outcome of thermal burn injuries. Approach We created 40 burn injuries of different severity grades in two porcine models using scald and contact methods of infliction. We used our THz portable handheld spectral reflection (PHASR) scanner to obtain the in vivo THz-TDS images. We used the energy to Shannon entropy ratio of the wavelet packet coefficients of the THz-TDS waveforms on day 0 to create supervised support vector machine (SVM) classification models. Histological assessments of the burn biopsies serve as the ground truth. Results We achieved an accuracy rate of 94.7% in predicting the wound healing outcome, as determined by histological measurement of the re-epithelialization rate on day 28 post-burn induction, using the THz-TDS measurements obtained on day 0. Furthermore, we report the accuracy rates of 89%, 87.1%, and 87.6% in automatic diagnosis of the superficial partial-thickness, deep partial-thickness, and full-thickness burns, respectively, using a multiclass SVM model. Conclusions The THz PHASR scanner promises a robust, high-speed, and accurate diagnostic modality to improve the clinical triage of burns and their management.
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Affiliation(s)
- Mahmoud E. Khani
- Stony Brook University, Department of Biomedical Engineering, Stony Brook, New York, United States
| | - Omar B. Osman
- Stony Brook University, Department of Biomedical Engineering, Stony Brook, New York, United States
| | - Zachery B. Harris
- Stony Brook University, Department of Biomedical Engineering, Stony Brook, New York, United States
| | - Andrew Chen
- Stony Brook University, Department of Biomedical Engineering, Stony Brook, New York, United States
| | - Juin W. Zhou
- Stony Brook University, Department of Biomedical Engineering, Stony Brook, New York, United States
| | - Adam J. Singer
- Renaissance School of Medicine at Stony Brook University, Department of Emergency Medicine, Stony Brook, New York, United States
| | - Mohammad Hassan Arbab
- Stony Brook University, Department of Biomedical Engineering, Stony Brook, New York, United States
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221
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Wang Y, Yuan X, Yao B, Zhu S, Zhu P, Huang S. Tailoring bioinks of extrusion-based bioprinting for cutaneous wound healing. Bioact Mater 2022; 17:178-194. [PMID: 35386443 PMCID: PMC8965032 DOI: 10.1016/j.bioactmat.2022.01.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/15/2022] [Accepted: 01/16/2022] [Indexed: 12/11/2022] Open
Abstract
Extrusion-based bioprinting (EBB) holds potential for regenerative medicine. However, the widely-used bioinks of EBB exhibit some limitations for skin regeneration, such as unsatisfactory bio-physical (i.e., mechanical, structural, biodegradable) properties and compromised cellular compatibilities, and the EBB-based bioinks with therapeutic effects targeting cutaneous wounds still remain largely undiscussed. In this review, the printability considerations for skin bioprinting were discussed. Then, current strategies for improving the physical properties of bioinks and for reinforcing bioinks in EBB approaches were introduced, respectively. Notably, we highlighted the applications and effects of current EBB-based bioinks on wound healing, wound scar formation, vascularization and the regeneration of skin appendages (i.e., sweat glands and hair follicles) and discussed the challenges and future perspectives. This review aims to provide an overall view of the applications, challenges and promising solutions about the EBB-based bioinks for cutaneous wound healing and skin regeneration.
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Affiliation(s)
- Yuzhen Wang
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Er Road, Guangzhou, Guangdong, 510080, PR China
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, PR China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital and PLA Medical College, 51 Fu Cheng Road, Beijing, 100048, PR China
- Department of Burn and Plastic Surgery, Air Force Hospital of Chinese PLA Central Theater Command, 589 Yunzhong Road, Pingcheng District, Datong, Shanxi, 037006, PR China
| | - Xingyu Yuan
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, PR China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital and PLA Medical College, 51 Fu Cheng Road, Beijing, 100048, PR China
- School of Medicine, Nankai University, 94 Wei Jing Road, Tianjin, 300071, PR China
| | - Bin Yao
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Er Road, Guangzhou, Guangdong, 510080, PR China
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, PR China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital and PLA Medical College, 51 Fu Cheng Road, Beijing, 100048, PR China
- Academy of Medical Engineering and Translational Medicine, Tianjin University, 300072, PR China
| | - Shuoji Zhu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Er Road, Guangzhou, Guangdong, 510080, PR China
| | - Ping Zhu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Er Road, Guangzhou, Guangdong, 510080, PR China
| | - Sha Huang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, PR China
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Wang Z, Li W, Gou L, Zhou Y, Peng G, Zhang J, Liu J, Li R, Ni H, Zhang W, Cao T, Cao Q, Su H, Han YP, Tong N, Fu X, Ilegems E, Lu Y, Berggren PO, Zheng X, Wang C. Biodegradable and Antioxidant DNA Hydrogel as a Cytokine Delivery System for Diabetic Wound Healing. Adv Healthc Mater 2022; 11:e2200782. [PMID: 36101484 DOI: 10.1002/adhm.202200782] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 08/30/2022] [Indexed: 01/28/2023]
Abstract
Impaired diabetic wound healing is associated with the persistence of chronic inflammation and excessive oxidative stress, which has become one of the most serious clinical challenges. Wound dressings with anti-inflammatory and reactive oxygen species (ROS)-scavenging properties are desirable for diabetic wound treatment. In this study, a shape-adaptable, biodegradable, biocompatible, antioxidant, and immunomodulatory interleukin-33 (IL-33)-cytogel is developed by encapsulating IL-33 into physically cross-linked DNA hydrogels and used as wound dressings to promote diabetic wound healing. The porous microstructures and biodegradable properties of the IL-33-cytogel ensure the local sustained-release of IL-33 in the wound area, where the sustained-release of IL-33 is maintained for at least 7 days. IL-33-cytogel can induce local accumulation of group 2 innate lymphoid cells (ILC2s) and regulatory T cells (Tregs), as well as M1-to-M2 transition at the wound sites. Additionally, the antioxidant and biocompatible characteristics of DNA hydrogels promote the scavenging of intracellular ROS without affecting cell viability. As a result, local inflammation in the diabetic wound area is resolved upon IL-33-cytogel treatment, which is accompanied by improved granulation tissue regeneration and accelerated wound closure. This study demonstrates a promising strategy in tissue engineering and regenerative medicine by incorporating DNA hydrogels and cytokine immunotherapy for promoting diabetic wound healing.
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Affiliation(s)
- Zhenghao Wang
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China.,The Rolf Luft Research Center for Diabetes and Endocrinology, Karolinska Institutet, Stockholm, SE-17176, Sweden
| | - Wei Li
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Liping Gou
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ye Zhou
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ge Peng
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiayi Zhang
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiaye Liu
- Department of thyroid and parathyroid surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ruoqing Li
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China.,Department of General Medicine, Chongqing University Central Hospital, Chongqing Emergency Medical Center, Chongqing, 400014, China
| | - Hengfan Ni
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Wanli Zhang
- Core facility of West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ting Cao
- Laboratory of Infectious Diseases and Vaccine, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qi Cao
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, The University of Sydney, Sydney, NSW 2145, Australia
| | - Hong Su
- Department of Dermatology, Chengdu First People's Hospital, Chengdu, 610041, China
| | - Yuan-Ping Han
- The Center for Growth, Metabolism and Aging, The College of Life Sciences, Sichuan University, Chengdu, 610065, China
| | - Nanwei Tong
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xianghui Fu
- Division of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Erwin Ilegems
- The Rolf Luft Research Center for Diabetes and Endocrinology, Karolinska Institutet, Stockholm, SE-17176, Sweden
| | - Yanrong Lu
- Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Per-Olof Berggren
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China.,The Rolf Luft Research Center for Diabetes and Endocrinology, Karolinska Institutet, Stockholm, SE-17176, Sweden
| | - Xiaofeng Zheng
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Chengshi Wang
- Department of Endocrinology and Metabolism, Center for Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, 610041, China
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Homer NA, Hanafy MS, Baer SC, Watson AH, Somogyi M, Shore JW, Blaydon S, Durairaj VD, Cui Z, Nakra T. 5-Fluorouracil With Microneedling Modulates Wound Healing in a Murine Model: An Immunohistochemical Analysis of Mechanism and Dose Efficacy. Ophthalmic Plast Reconstr Surg 2022; 38:596-601. [PMID: 35604385 DOI: 10.1097/iop.0000000000002227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE The purpose of this study is to assess the dose-dependent immunohistopathological effects of intradermal microneedle-delivered 5-fluorouracil (5-FU) for postincisional wound healing in a murine model. METHODS A prospective experimental study was performed. Twelve hairless mice were randomized into 4 treatment groups for postincisional wound treatment: microneedling with topical saline, or microneeding with topically-applied 5-FU at concentrations of 25 mg/ml, 50 mg/ml, or 100 mg/ml. Two surgical wounds were created on each animal. Combination wound treatments were performed on postoperative days 14 and 28, and cutaneous biopsies were obtained on day 56. Specimens were analyzed by a dermatopathologist, blinded to the treatment group, for collagen thickness, lymphocytic infiltration, histiocytic response, sub-epidermal basement membrane zone thickness, and myofibroblast density. RESULTS Histopathologic evaluation showed increased collagen thickness, lymphocyte infiltration, and granuloma density in the groups undergoing microneedling treatment with 5-FU, compared to saline. Immunohistochemical analysis revealed a trend toward thicker basement membranes with higher concentrations of 5-FU used, reaching statistical significance between controls and those treated with 100 mg/ml 5-FU ( p = 0.0493). A trend toward decreasing myofibroblast density with increasing doses of 5-FU was noted. No postincisional or treatment complications were observed. CONCLUSIONS Our results demonstrate that microneedling is an effective topical subepithelial drug delivery system, and further suggest a beneficial dose-dependent immunomodulatory effect of 5-FU on intermediate wound healing when used in combination with microneedling. We recommend a 5-FU dose at the mid-range 50 mg/ml concentration to simultaneously maximize efficacy and minimize complication risk.
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Affiliation(s)
- Natalie A Homer
- Division of Ophthalmic Plastic and Orbital Surgery, Department of Ophthalmology, UC Davis Eye Center, Sacramento, California
| | - Mahmoud S Hanafy
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, Texas
| | | | - Alison H Watson
- Oculoplastic and Orbital Surgery Service, Wills Eye Hospital, Philadelphia, Pennsylvania
| | - Marie Somogyi
- TOC Eye and Face, Austin, Texas
- Department of Ophthalmology, Dell Medical School, The University of Texas at Austin, Austin, Texas
| | - John W Shore
- Department of Ophthalmology, Dell Medical School, The University of Texas at Austin, Austin, Texas
| | - Sean Blaydon
- TOC Eye and Face, Austin, Texas
- Department of Ophthalmology, Dell Medical School, The University of Texas at Austin, Austin, Texas
| | - Vikram D Durairaj
- TOC Eye and Face, Austin, Texas
- Department of Ophthalmology, Dell Medical School, The University of Texas at Austin, Austin, Texas
| | - Zhengrong Cui
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, Texas
| | - Tanuj Nakra
- TOC Eye and Face, Austin, Texas
- Department of Ophthalmology, Dell Medical School, The University of Texas at Austin, Austin, Texas
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Kumari A, Raina N, Wahi A, Goh KW, Sharma P, Nagpal R, Jain A, Ming LC, Gupta M. Wound-Healing Effects of Curcumin and Its Nanoformulations: A Comprehensive Review. Pharmaceutics 2022; 14:2288. [PMID: 36365107 PMCID: PMC9698633 DOI: 10.3390/pharmaceutics14112288] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 09/28/2022] [Accepted: 10/10/2022] [Indexed: 08/13/2023] Open
Abstract
Wound healing is an intricate process of tissue repair or remodeling that occurs in response to injury. Plants and plant-derived bioactive constituents are well explored in the treatment of various types of wounds. Curcumin is a natural polyphenolic substance that has been used since ancient times in Ayurveda for its healing properties, as it reduces inflammation and acts on several healing stages. Several research studies for curcumin delivery at the wound site reported the effectiveness of curcumin in eradicating reactive oxygen species and its ability to enhance the deposition of collagen, granulation tissue formation, and finally, expedite wound contraction. Curcumin has been widely investigated for its wound healing potential but its lower solubility and rapid metabolism, in addition to its shorter plasma half-life, have limited its applications in wound healing. As nanotechnology has proven to be an effective technique to accelerate wound healing by stimulating appropriate mobility through various healing phases, curcumin-loaded nanocarriers are used for targeted delivery at the wound sites. This review highlights the potential of curcumin and its nanoformulations, such as liposomes, nanoparticles, and nano-emulsions, etc. in wound healing. This paper emphasizes the numerous biomedical applications of curcumin which collectively prepare a base for its antibiofilm and wound-healing action.
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Affiliation(s)
- Amrita Kumari
- School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
| | - Neha Raina
- School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
| | - Abhishek Wahi
- School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
| | - Khang Wen Goh
- Faculty of Data Science and Information Technology, INTI International University, Nilai 71800, Malaysia
| | - Pratibha Sharma
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Riya Nagpal
- School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
| | - Atul Jain
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
| | - Long Chiau Ming
- PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Gadong BE1410, Brunei
| | - Madhu Gupta
- School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
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225
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Lee CH, Huang SC, Hung KC, Cho CJ, Liu SJ. Enhanced Diabetic Wound Healing Using Electrospun Biocompatible PLGA-Based Saxagliptin Fibrous Membranes. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12213740. [PMID: 36364516 PMCID: PMC9659155 DOI: 10.3390/nano12213740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 05/26/2023]
Abstract
Delayed diabetic wound healing is an adverse event that frequently leads to limb disability or loss. A novel and promising vehicle for the treatment of diabetic wounds is required for clinical purposes. The biocompatible and resorbable poly (lactic-co-glycolic acid) (PLGA)-based fibrous membranes prepared by electrospinning that provide a sustained discharge of saxagliptin for diabetic wound healing were fabricated. The concentration of released saxagliptin in Dulbecco’s phosphate-buffered saline was analyzed for 30 days using high-performance liquid chromatography. The effectiveness of the eluted saxagliptin was identified using an endothelial progenitor cell migration assay in vitro and a diabetic wound healing in vivo. Greater hydrophilicity and water storage were shown in the saxagliptin-incorporated PLGA membranes than in the pristine PLGA membranes (both p < 0.001). For diabetic wound healing, the saxagliptin membranes accelerated the wound closure rate, the dermal thickness, and the heme oxygenase-1 level over the follicle areas compared to those in the pristine PLGA group at two weeks post-treatment. The saxagliptin group also had remarkably higher expressions of insulin-like growth factor I expression and transforming growth factor-β1 than the control group (p = 0.009 and p < 0.001, respectively) in diabetic wounds after treatment. The electrospun PLGA-based saxagliptin membranes exhibited excellent biomechanical and biological features that enhanced diabetic wound closure and increased the antioxidant activity, cellular granulation, and functionality.
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Affiliation(s)
- Chen-Hung Lee
- Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital-Linkou, Chang Gung University College of Medicine, Taoyuan 33305, Taiwan
| | - Shu-Chun Huang
- Department of Physical Medicine and Rehabilitation, New Taipei Municipal Tucheng Hospital, New Taipei City 23652, Taiwan
- Department of Physical Medicine & Rehabilitation, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- College of Medicine, Chang Gung University, Kwei-Shan, Taoyuan 33302, Taiwan
| | - Kuo-Chun Hung
- Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital-Linkou, Chang Gung University College of Medicine, Taoyuan 33305, Taiwan
| | - Chia-Jung Cho
- Institute of Biotechnology and Chemical Engineering, I-Shou University, Kaohsiung 84001, Taiwan
| | - Shih-Jung Liu
- Department of Orthopedic Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital-Linkou, Taoyuan 33305, Taiwan
- Department of Mechanical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
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226
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Yin J, Zhang S, Yang C, Wang Y, Shi B, Zheng Q, Zeng N, Huang H. Mechanotransduction in skin wound healing and scar formation: Potential therapeutic targets for controlling hypertrophic scarring. Front Immunol 2022; 13:1028410. [PMID: 36325354 PMCID: PMC9618819 DOI: 10.3389/fimmu.2022.1028410] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 09/29/2022] [Indexed: 11/13/2022] Open
Abstract
Hypertrophic scarring (HTS) is a major source of morbidity after cutaneous injury. Recent studies indicate that mechanical force significantly impacts wound healing and skin regeneration which opens up a new direction to combat scarring. Hence, a thorough understanding of the underlying mechanisms is essential in the development of efficacious scar therapeutics. This review provides an overview of the current understanding of the mechanotransduction signaling pathways in scar formation and some strategies that offload mechanical forces in the wounded region for scar prevention and treatment.
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Affiliation(s)
| | | | | | | | | | | | - Ni Zeng
- *Correspondence: Ni Zeng, ; Hanyao Huang,
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227
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Qian T, Fu M, Ye L, Du J, Xu X, Zhang Z. Aqueous Humor Growth Factor Levels and Trabeculectomy Outcomes in Primary Open-Angle Glaucoma Patients: A 2-Year Prospective Study. Transl Vis Sci Technol 2022; 11:2. [PMID: 36180030 PMCID: PMC9547364 DOI: 10.1167/tvst.11.10.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose Maintenance of a filtering bleb is essential for long-term intraocular pressure control after trabeculectomy. Surgical site fibrosis and excessive extracellular matrix production are common causes of trabeculectomy failure, mediated by several growth factors. We aimed to evaluate the levels of five growth factors and their correlation with trabeculectomy outcomes in patients with primary open-angle glaucoma (POAG). Methods We collected aqueous humor samples intraoperatively from patients with POAG who underwent trabeculectomy and measured the concentrations of transforming growth factor-β (TGF-β), acidic fibroblast growth factor (aFGF), insulin-like growth factor-1, vascular endothelial growth factor, and platelet-derived growth factor using multiplexed immunoassay kits. Intraocular pressure was measured with Goldmann applanation tonometry at 1 week and at 1, 3, 6, 12, 18, and 24 months after trabeculectomy. We allocated the eyes based on surgical outcome into a success or failure group. Results Significantly high levels of aFGF and TGF-β were observed in the failure group (both P < 0.0001) and were significant risk factors for trabeculectomy outcomes. Higher success rates were observed over the 24-month follow-up period in eyes with low aFGF and TGF-β levels compared to eyes with high levels (P = 0.0031 and P = 0.0007, respectively). The levels of TGF-β were significantly positively correlated with aFGF. Conclusions In POAG patients, high aFGF and TGF-β levels were significant risk factors for trabeculectomy failure. Translational Relevance Modulation of aFGF and TGF-β expression may have potential clinical applications after filtration surgery.
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Affiliation(s)
- Tianwei Qian
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China.,National Clinical Research Center for Eye Diseases, Shanghai, China.,Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, China.,Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai, China.,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Disease, Shanghai, China
| | - Mingshui Fu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China.,National Clinical Research Center for Eye Diseases, Shanghai, China.,Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, China.,Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai, China.,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Disease, Shanghai, China
| | - Luyao Ye
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China.,National Clinical Research Center for Eye Diseases, Shanghai, China.,Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, China.,Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai, China.,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Disease, Shanghai, China
| | - Jingxiao Du
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China.,National Clinical Research Center for Eye Diseases, Shanghai, China.,Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, China.,Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai, China.,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Disease, Shanghai, China
| | - Xun Xu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China.,National Clinical Research Center for Eye Diseases, Shanghai, China.,Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, China.,Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai, China.,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Disease, Shanghai, China
| | - Zhihua Zhang
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China.,National Clinical Research Center for Eye Diseases, Shanghai, China.,Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, China.,Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai, China.,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Disease, Shanghai, China
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228
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Zhang M, Chen X, Zhang Y, Zhao X, Zhao J, Wang X. The potential of functionalized dressing releasing flavonoids facilitates scar-free healing. Front Med (Lausanne) 2022; 9:978120. [PMID: 36262272 PMCID: PMC9573991 DOI: 10.3389/fmed.2022.978120] [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: 07/05/2022] [Accepted: 09/12/2022] [Indexed: 12/02/2022] Open
Abstract
Scars are pathological marks left after an injury heals that inflict physical and psychological harm, especially the great threat to development and aesthetics posed by oral and maxillofacial scars. The differential expression of genes such as transforming growth factor-β, local adherent plaque kinase, and yes-related transcriptional regulators at infancy or the oral mucosa is thought to be the reason of scarless regenerative capacity after tissue defects. Currently, tissue engineering products for defect repair frequently overlook the management of postoperative scars, and inhibitors of important genes alone have negative consequences for the organism. Natural flavonoids have hemostatic, anti-inflammatory, antioxidant, and antibacterial properties, which promote wound healing and have anti-scar properties by interfering with the transmission of key signaling pathways involved in scar formation. The combination of flavonoid-rich drug dressings provides a platform for clinical translation of compounds that aid in drug disintegration, prolonged release, and targeted delivery. Therefore, we present a review of the mechanisms and effects of flavonoids in promoting scar-free regeneration and the application of flavonoid-laden dressings.
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Affiliation(s)
- Mengyuan Zhang
- School and Hospital of Stomatology, Shanxi Medical University, Taiyuan, China,Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, China
| | - Xiaohang Chen
- School and Hospital of Stomatology, Shanxi Medical University, Taiyuan, China,Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, China
| | - Yuan Zhang
- School and Hospital of Stomatology, Shanxi Medical University, Taiyuan, China,Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, China
| | - Xiangyu Zhao
- School and Hospital of Stomatology, Shanxi Medical University, Taiyuan, China,Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, China
| | - Jing Zhao
- School and Hospital of Stomatology, Shanxi Medical University, Taiyuan, China,Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, China,Jing Zhao,
| | - Xing Wang
- School and Hospital of Stomatology, Shanxi Medical University, Taiyuan, China,Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, China,*Correspondence: Xing Wang,
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Palanisamy CP, Cui B, Zhang H, Gunasekaran VP, Ariyo AL, Jayaraman S, Rajagopal P, Long Q. A critical review on starch-based electrospun nanofibrous scaffolds for wound healing application. Int J Biol Macromol 2022; 222:1852-1860. [PMID: 36195229 DOI: 10.1016/j.ijbiomac.2022.09.274] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 09/18/2022] [Accepted: 09/28/2022] [Indexed: 11/05/2022]
Abstract
Starch-based nanofibrous scaffolds exhibit a potential wound healing processes as they are cost-effective, flexible, and biocompatible. Recently, natural polymers have received greater importance in regenerative medicine, mainly in the process of healing wounds and burns due to their unique properties which also include safety, biocompatibility, and biodegradability. In this respect, starch is considered to be one of the reliable natural polymers to promote the process of wound healing at a significantly faster rate. Starch and starch-based electrospun nanofibrous scaffolds have been used for the wound healing process which includes the process of adhesion, proliferation, differentiation, and regeneration of cells. It also possesses significant activity to encapsulate and deliver biomaterials at a specific site which persuades the wound healing process at an increased rate. As the aforementioned scaffolds mimic the native extracellular matrix more closely, may help in the acceleration of wound closure, which in turn may lead to the promotion of tissue reorganization and remodeling. In-depth knowledge in understanding the properties of nanofibrous scaffolds paves a way to unfold novel methods and therapies, also to overcome challenges associated with wound healing. This review is intended to provide comprehensive information and recent advances in starch-based electrospun nanofibrous scaffolds for wound healing.
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Affiliation(s)
- Chella Perumal Palanisamy
- Mini-invasive Neurosurgery and Translational Medical Center, Xi'an Central Hospital, Xi'an Jiaotong University, No. 161, West 5th Road, Xincheng District, Xi'an 710003, China
| | - Bo Cui
- State Key Laboratory of Biobased Material and Green Papermaking, College of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, China.
| | - Hongxia Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, College of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, China
| | | | - Adeniran Lateef Ariyo
- Department of Physiology and Biochemistry, Faculty of Veterinary Medicine, University of Abuja, FCT, Abuja, Nigeria
| | - Selvaraj Jayaraman
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600 077, India
| | - Ponnulakshmi Rajagopal
- Central Research Laboratory, Meenakhsi Academy of Higher Education and Research, West K.K. Nagar, Chennai 600 078, India
| | - Qianfa Long
- Mini-invasive Neurosurgery and Translational Medical Center, Xi'an Central Hospital, Xi'an Jiaotong University, No. 161, West 5th Road, Xincheng District, Xi'an 710003, China.
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Khodaei B, Nasimi M, Nassireslami E, Seyedpour S, Rahmati J, Haddady Abianeh S, Motavalli Khiavi F. Efficacy of Topical Losartan in Management of Mammoplasty and Abdominoplasty Scars: A Randomized, Double-Blind Clinical Trial. Aesthetic Plast Surg 2022; 46:2580-2587. [PMID: 35614156 DOI: 10.1007/s00266-022-02935-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/02/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Annually, millions of people suffer from skin scars' psychological and physical disadvantages. Pathologic scars prevention is challenging and requires developing feasible and effective therapeutic strategies. Regarding promising results of losartan (an angiotensin 1 receptor inhibitor) on skin scar in preclinical studies, we aimed to assess the losartan ointment's impact on surgical scars in a clinical setting. MATERIAL AND METHOD Twenty-four patients with surgical wounds were enrolled from Razi hospital's plastic and reconstructive surgery department. The patients were trained to apply ointments 14-18 days post-surgery on the determined scar side, twice a day for 6 months. Two dermatologists independently evaluated scar formation at 3 and 6-month follow-ups using the Vancouver Scar Scale (VSS) score. RESULT Twenty-four female patients with cosmetic surgeries were included. The mean VSS score of losartan-treated sides was 7.1 ± 2.06 (at month 3) and 5.21 ± 1.71 (at month 6) that significantly were different from placebo-treated sides (9.77 ± 1.55 and 8.31 ± 1.88 at 3 and 6 months, respectively) (P value < 0.001 and < 0.001, respectively, for months 3 and 6). The subset analysis demonstrated a significant improvement in height (P value < 0.001 at 3 and 6 months), pliability (P value < 0.001 at 3 and 6 months), and vascularity (P value < 0.001 at 3 and 6 months) subsets at losartan compared to placebo-treated side. Losartan ointment was well tolerated with no complication. CONCLUSION Losartan ointment successfully improved scar formation in mammoplasty and abdominoplasty patients. The losartan preventive effect should be confirmed in future large-scale studies with long-term follow-ups. LEVEL OF EVIDENCE II This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Affiliation(s)
- Behzad Khodaei
- Medical Biotechnology Research Center, AJA University of Medical Sciences, Etemad zadeh Street, Fatemi-Gharbi Street, Tehran, Iran
| | - Maryam Nasimi
- Department of Dermatology, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Ehsan Nassireslami
- Toxicology Research Center, AJA University of Medical Sciences, Tehran, Iran
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Simin Seyedpour
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Nanomedicine Research Association (NRA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Javad Rahmati
- Department of Plastic and Reconstructive Surgery, Imam Khomeini Hospital, Tehran University of Medical Sciences Tehran, Tehran, Iran
- Department of Plastic and Reconstructive Surgery, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahriar Haddady Abianeh
- Department of Plastic and Reconstructive Surgery, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Farhad Motavalli Khiavi
- Medical Biotechnology Research Center, AJA University of Medical Sciences, Etemad zadeh Street, Fatemi-Gharbi Street, Tehran, Iran.
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Santarella F, do Amaral RJFC, Lemoine M, Kelly D, Cavanagh B, Marinkovic M, Smith A, Garlick J, O'Brien FJ, Kearney CJ. Personalized Scaffolds for Diabetic Foot Ulcer Healing Using Extracellular Matrix from Induced Pluripotent Stem-Reprogrammed Patient Cells. ADVANCED NANOBIOMED RESEARCH 2022; 2:2200052. [PMID: 36532145 PMCID: PMC9757804 DOI: 10.1002/anbr.202200052] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023] Open
Abstract
Diabetic foot ulcers (DFU) are chronic wounds sustained by pathological fibroblasts and aberrant extracellular matrix (ECM). Porous collagen-based scaffolds (CS) have shown clinical promise for treating DFUs but may benefit from functional enhancements. Our previous work showed fibroblasts differentiated from induced pluripotent stem cells are an effective source of new ECM mimicking fetal matrix, which notably promotes scar-free healing. Likewise, functionalizing CS with this rejuvenated ECM showed potential for DFU healing. Here, we demonstrate for the first time an approach to DFU healing using biopsied cells from DFU patients, reprogramming those cells, and functionalizing CS with patient-specific ECM as a personalized acellular tissue engineered scaffold. We took a two-pronged approach: 1) direct ECM blending into scaffold fabrication; and 2) seeding scaffolds with reprogrammed fibroblasts for ECM deposition followed by decellularization. The decellularization approach reduced cell number requirements and maintained naturally deposited ECM proteins. Both approaches showed enhanced ECM deposition from DFU fibroblasts. Decellularized scaffolds additionally enhanced glycosaminoglycan deposition and subsequent vascularization. Finally, reprogrammed ECM scaffolds from patient-matched DFU fibroblasts outperformed those from healthy fibroblasts in several metrics, suggesting ECM is in fact able to redirect resident pathological fibroblasts in DFUs towards healing, and a patient-specific ECM signature may be beneficial.
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Affiliation(s)
- Francesco Santarella
- 123 Stephens Green, Kearney Lab/Tissue Engineering Research Group, Dept. of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Ronaldo Jose Farias Correa do Amaral
- 123 Stephens Green, Kearney Lab/Tissue Engineering Research Group, Dept. of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
- Laboratório de Proliferação e Diferenciação Celular, Instituto de Ciências Biomédicas (ICB), Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, RJ, Brazil
| | - Mark Lemoine
- 123 Stephens Green, Kearney Lab/Tissue Engineering Research Group, Dept. of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Domhnall Kelly
- 123 Stephens Green, Kearney Lab/Tissue Engineering Research Group, Dept. of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Brenton Cavanagh
- 123 Stephens Green, Kearney Lab/Tissue Engineering Research Group, Dept. of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Milica Marinkovic
- 123 Stephens Green, Kearney Lab/Tissue Engineering Research Group, Dept. of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Avi Smith
- Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Boston, MA 02111 USA
| | - Jonathan Garlick
- Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Boston, MA 02111 USA
| | - Fergal J O'Brien
- 123 Stephens Green, Tissue Engineering Research Group, Dept. of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
- Trinity Centre for Bioengineering, Trinity College Dublin, Dublin, Ireland and Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Cathal J Kearney
- Department of Biomedical Engineering, University of Massachusetts Amherst, USA
- 123 Stephens Green, Kearney Lab/Tissue Engineering Research Group, Dept. of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin 2, Ireland
- Trinity Centre for Bioengineering, Trinity College Dublin, Dublin, Ireland and Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
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232
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Zarei H, Tamri P, Asl SS, Soleimani M, Moradkhani S. Hydroalcoholic Extract of Scrophularia Striata Attenuates Hypertrophic Scar, Suppresses Collagen Synthesis, and Stimulates MMP2 and 9 Gene Expression in Rabbit Ear Model. J Pharmacopuncture 2022; 25:258-267. [PMID: 36186090 PMCID: PMC9510145 DOI: 10.3831/kpi.2022.25.3.258] [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: 04/21/2022] [Revised: 05/06/2022] [Accepted: 06/07/2022] [Indexed: 11/09/2022] Open
Abstract
Objectives Hypertrophic scars (HSs) are caused by abnormal wound healing. To date, no standard treatment has been made available for HSs. Scrophularia striata has been reported to accelerate wound healing and has the potential to prevent HS formation. In this study, we investigated the anti-scarring effects of S. striata extract (SSE) in a rabbit ear model of scarring. Methods In this study, New Zealand white rabbit (weight 2.3-2.5 kg) were used. In the prevention phase of the study, three test groups received 5%, 10%, and 15% ointments of SSE in the Eucerin base, the fourth group received Eucerin, and the fifth group received no treatment. The samples were obtained on day 35 after wounding. In the treatment phase of the study, the test groups received an intralesional injection of SSE (5%, 10%, and 15%), the fourth group received an intralesional injection of triamcinolone, the fifth group received a solvent (injection vehicle), and the sixth group received no treatment. To evaluate the anti-scarring effects of SSE, the scar elevation index (SEI), epidermis thickness index (ETI), collagen deposition, and MMP2 and MMP9 gene expression were evaluated. Results A significant reduction in SEI, ETI, and collagen deposition was noted in animals treated with SSE compared with the control groups. In addition, topical SSE stimulated MMP2 and MMP9 gene expression. Conclusion The findings of this study demonstrate the potential for SSE in the prevention and treatment of HS. SSE could be prepared as an appropriate formulation to treat wounds and prevent abnormal scarring.
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Affiliation(s)
- Hatam Zarei
- Department of Pharmacology & Toxicology, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Pari Tamri
- Department of Pharmacology & Toxicology, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Sara Soleimani Asl
- Department of Anatomical Sciences, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Meysam Soleimani
- Department of Biotechnology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Shirin Moradkhani
- Department of Pharmacognosy, School of Pharmacy, Medicinal Plants and Natural Products Research, Hamadan University of Medical Sciences, Hamadan, Iran
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Jiao Y, Chen X, Nong B, Luo M, Niu Y, Huang S, Zhang J, Wei A, Huang J. Transplantation of Wharton's jelly mesenchymal stem cells encapsulated with Hydroactive® Gel promotes diabetic wound antifibrotic healing in type 2 diabetic rats. J Mater Chem B 2022; 10:8330-8346. [PMID: 36168995 DOI: 10.1039/d2tb01649d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Diabetic cutaneous ulcers (DCU) are a complication for diabetes patients, mostly occurring in the foot and causing non-healing diabetic foot ulcers. Mesenchymal stem cell (MSC)-based therapy is currently being investigated as a therapeutic avenue for chronic diabetic ulcers. However, poor engraftment, short retention, and low survival still limit the treatment effectiveness. Hydroactive® Gel is a sterile transparent gel made of natural hydrocolloid, which has been widely used for wound management. Whether transplantation of Wharton's jelly mesenchymal stem cells (WJMSCs) encapsulated with Hydroactive® Gel is helpful to diabetic ulcers wound healing remains to be explored. The biocompatibility experiments showed that WJMSCs embedded in Hydroactive® Gel did not influence the cell viability, survival, proliferation, and apoptosis of WJMSCs in vitro. RNA-seq results also implied that Hydroactive® Gel + WJMSCs transplantation activated the "cytokine-cytokine receptor interaction", "mononuclear cell differentiation", "regulation of cell-cell adhesion", and "chemokine receptor activity" to accelerate the inflammatory reaction and epidermis regeneration in diabetic wounds. Histological analysis results demonstrated that Hydroactive® Gel encapsulated WJMSCs transplantation promoted diabetic wound healing and regeneration, indicating improved dermis regeneration, sebaceous gland formation, and type III collagen fiber deposition. Besides, immunohistochemical analysis results showed that Hydroactive® Gel + WJMSCs transplantation also facilitated the transformation of pro-inflammatory M1 macrophages to anti-inflammatory M2 macrophages, cell proliferation, and neovascularization at the wound site. Hydroactive® Gel encapsulation further prolonged the retention time of WJMSCs at the diabetic wound site. Above all, Hydroactive® Gel accelerates WJMSCs-mediated diabetic wound healing by promoting macrophage transformation, facilitating cell proliferation and angiogenesis, and prolonging cell retention time. Our findings may potentially provide a useful therapeutic strategy based on the combination of WJMSCs and biomedical materials for patients with diabetic cutaneous ulcers.
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Affiliation(s)
- Yiren Jiao
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Xiaolin Chen
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Baoting Nong
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Mingxun Luo
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Yongxia Niu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Sunxing Huang
- Key Laboratory of Reproductive Medicine of Guangdong Province, The First Affiliated Hospital and School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Jue Zhang
- Department of Endocrinology, Foshan Hospital of Traditional Chinese Medicine, Foshan 528000, China.
| | - Aisheng Wei
- Department of Endocrinology, Foshan Hospital of Traditional Chinese Medicine, Foshan 528000, China.
| | - Junjiu Huang
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China. .,Key Laboratory of Reproductive Medicine of Guangdong Province, The First Affiliated Hospital and School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
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234
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Topical application of an irreversible small molecule inhibitor of lysyl oxidases ameliorates skin scarring and fibrosis. Nat Commun 2022; 13:5555. [PMID: 36138009 PMCID: PMC9500072 DOI: 10.1038/s41467-022-33148-5] [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: 04/02/2021] [Accepted: 08/24/2022] [Indexed: 01/12/2023] Open
Abstract
Scarring is a lifelong consequence of skin injury, with scar stiffness and poor appearance presenting physical and psychological barriers to a return to normal life. Lysyl oxidases are a family of enzymes that play a critical role in scar formation and maintenance. Lysyl oxidases stabilize the main component of scar tissue, collagen, and drive scar stiffness and appearance. Here we describe the development and characterisation of an irreversible lysyl oxidase inhibitor, PXS-6302. PXS-6302 is ideally suited for skin treatment, readily penetrating the skin when applied as a cream and abolishing lysyl oxidase activity. In murine models of injury and fibrosis, topical application reduces collagen deposition and cross-linking. Topical application of PXS-6302 after injury also significantly improves scar appearance without reducing tissue strength in porcine injury models. PXS-6302 therefore represents a promising therapeutic to ameliorate scar formation, with potentially broader applications in other fibrotic diseases.
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235
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Mallis P, Michalopoulos E, Sarri EF, Papadopoulou E, Theodoropoulou V, Katsimpoulas M, Stavropoulos-Giokas C. Evaluation of the Regenerative Potential of Platelet-Lysate and Platelet-Poor Plasma Derived from the Cord Blood Units in Corneal Wound Healing Applications: An In Vitro Comparative Study on Corneal Epithelial Cells. Curr Issues Mol Biol 2022; 44:4415-4438. [PMID: 36286018 PMCID: PMC9600746 DOI: 10.3390/cimb44100303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/14/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Cord blood platelet lysate (CB-PL) and cord blood platelet poor plasma (CB-PPP) have been applied with success in wound healing applications. Pathologies such as Sjogrens’s Syndrome (SS) and chronic graft versus host disease (cGVHD) can lead to severe ophthalmology issues. The application of CB-PL and CB-PPP may be strongly considered for damaged cornea healing. This study aimed to the evaluation of the beneficial properties of CB-PL and CB-PPP in corneal wound healing applications. Methods: Initially, the CB-PL and CB-PPP were produced from donated cord blood units (CBUs), followed by biochemical analysis. Corneal epithelial cells (CECs) were isolated from wistar rats and then cultured with medium containing 20% v/v either of CB-PL or CB-PPP. To define the impact of CB-PL and CB-PPP, biochemical, morphological analysis, scratch-wound assays, and immunoassays in CECs were performed. Results: CB-PL and CB-PPP were characterized by good biochemical parameters, regarding their quality characteristics and biomolecule content. CECs’ morphological features did not change after their cultivation with CB-PL or CB-PPP. A scratch wound assay and molecular analysis of CECs expanded with CB-PL indicated higher migratory capacity compared to those cultured with CB-PPP. Conclusion: CB-PL and CB-PPP exhibited good properties with respect to cell migration and proliferation, and could be considered an alternative source for eye drop production, to possibly be used in cornea wound healing applications.
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Affiliation(s)
- Panagiotis Mallis
- Hellenic Cord Blood Bank (HCBB), Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou, 115 27 Athens, Greece
- Correspondence: ; Tel.: +30-21-065-9734 or +30-697-161-6467; Fax: +30-210-659-7345
| | - Efstathios Michalopoulos
- Hellenic Cord Blood Bank (HCBB), Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou, 115 27 Athens, Greece
| | - Eirini Faidra Sarri
- Hellenic Cord Blood Bank (HCBB), Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou, 115 27 Athens, Greece
| | - Elena Papadopoulou
- Hellenic Cord Blood Bank (HCBB), Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou, 115 27 Athens, Greece
| | - Vasiliki Theodoropoulou
- Hellenic Cord Blood Bank (HCBB), Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou, 115 27 Athens, Greece
| | - Michalis Katsimpoulas
- Experimental Surgery Unit, Center of Clinical, Experimental Surgery and Translational Research, Βιοmedical Research Foundation of the Academy of Athens, 4 Soranou Ephessiou, 115 27 Athens, Greece
| | - Catherine Stavropoulos-Giokas
- Hellenic Cord Blood Bank (HCBB), Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou, 115 27 Athens, Greece
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236
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Tehrani FK, Sheikhi M, Rafiemanzelat F, Esmaeili F, Ghodsi S, Koohmareh GA, Ghalavand B. Protein and polysaccharide-based asymmetric mat with tuned bilayer configuration for enhanced wound healing efficiency. Carbohydr Polym 2022; 292:119666. [PMID: 35725208 DOI: 10.1016/j.carbpol.2022.119666] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 05/14/2022] [Accepted: 05/25/2022] [Indexed: 11/25/2022]
Abstract
In this research we focused on the fabrication of an asymmetric bilayer membrane with core-shell/simple layer configuration providing the functions of needed hierarchically hydrophilicity and porosity, anti-infectious, tissue adhesion as well as degradation and integration with tissue, cells proliferation, and enhanced promotion of tissue regeneration. The bilayer membrane composed of collagen (Col), chitosan (CS), aloe vera (AV) and gelatin (Gel), not only simulates the features of the epidermis and dermis layer of a natural skin but also benefits from the materials necessary for the regeneration of injured skin tissue during the healing process. The results of full-thickness skin wound evaluation revealed that the fabricated asymmetric membrane could facilitate wound healing within 10 days mainly through enhancing cellular activities, enhancing collagen deposition, and promoting proliferation. Results of histopathological analysis and immunohistochemistry after 10 days of treatment, demonstrated more re-epithelialization and collagen density for the treated groups compared to the control group.
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Affiliation(s)
- Firoozeh Kavosh Tehrani
- Polymer Chemistry Research Laboratory, Department of Chemistry, University of Isfahan, Isfahan 8174673441, Islamic Republic of Iran
| | - Mehdi Sheikhi
- Polymer Chemistry Research Laboratory, Department of Chemistry, University of Isfahan, Isfahan 8174673441, Islamic Republic of Iran
| | - Fatemeh Rafiemanzelat
- Polymer Chemistry Research Laboratory, Department of Chemistry, University of Isfahan, Isfahan 8174673441, Islamic Republic of Iran.
| | - Fariba Esmaeili
- Department of Plant and Animal Biology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan 8174673441, Islamic Republic of Iran
| | - Saman Ghodsi
- Department of Plant and Animal Biology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan 8174673441, Islamic Republic of Iran
| | - Gholam Ali Koohmareh
- Polymer Chemistry Research Laboratory, Department of Chemistry, University of Isfahan, Isfahan 8174673441, Islamic Republic of Iran
| | - Behnaz Ghalavand
- Polymer Chemistry Research Laboratory, Department of Chemistry, University of Isfahan, Isfahan 8174673441, Islamic Republic of Iran
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237
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Sharifiaghdam M, Shaabani E, Faridi-Majidi R, De Smedt SC, Braeckmans K, Fraire JC. Macrophages as a therapeutic target to promote diabetic wound healing. Mol Ther 2022; 30:2891-2908. [PMID: 35918892 PMCID: PMC9482022 DOI: 10.1016/j.ymthe.2022.07.016] [Citation(s) in RCA: 60] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 07/06/2022] [Accepted: 07/21/2022] [Indexed: 11/21/2022] Open
Abstract
It is well established that macrophages are key regulators of wound healing, displaying impressive plasticity and an evolving phenotype, from an aggressive pro-inflammatory or "M1" phenotype to a pro-healing or "M2" phenotype, depending on the wound healing stage, to ensure proper healing. Because dysregulated macrophage responses have been linked to impaired healing of diabetic wounds, macrophages are being considered as a therapeutic target for improved wound healing. In this review, we first discuss the role of macrophages in a normal skin wound healing process and discuss the aberrations that occur in macrophages under diabetic conditions. Next we provide an overview of recent macrophage-based therapeutic approaches, including delivery of ex-vivo-activated macrophages and delivery of pharmacological strategies aimed at eliminating or re-educating local skin macrophages. In particular, we focus on strategies to silence key regulator genes to repolarize wound macrophages to the M2 phenotype, and we provide a discussion of their potential future clinical translation.
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Affiliation(s)
- Maryam Sharifiaghdam
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium; Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Elnaz Shaabani
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium; Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Faridi-Majidi
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Stefaan C De Smedt
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium
| | - Kevin Braeckmans
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium; Center for Advanced Light Microscopy, Ghent University, 9000 Ghent, Belgium.
| | - Juan C Fraire
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium.
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238
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Singh A, Agarwal A, Chakraborty A, Bhardwaj R, Sutradhar S, Kumar Mittal A, Kumar Rajput S, Gupta M, Ray D, Mukherjee M. Click chemistry tailored benzimidazole functionalized triazole block-co-polymer for emergence of exotic chimaeric nano-crystalsomes. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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239
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Crum RJ, Johnson SA, Jiang P, Jui JH, Zamora R, Cortes D, Kulkarni M, Prabahar A, Bolin J, Gann E, Elster E, Schobel SA, Larie D, Cockrell C, An G, Brown B, Hauskrecht M, Vodovotz Y, Badylak SF. Transcriptomic, Proteomic, and Morphologic Characterization of Healing in Volumetric Muscle Loss. Tissue Eng Part A 2022; 28:941-957. [PMID: 36039923 DOI: 10.1089/ten.tea.2022.0113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Skeletal muscle has a robust, inherent ability to regenerate in response to injury from acute to chronic. In severe trauma, however, complete regeneration is not possible, resulting in a permanent loss of skeletal muscle tissue referred to as volumetric muscle loss (VML). There are few consistently reliable therapeutic or surgical options to address VML. A major limitation in investigation of possible therapies is the absence of a well-characterized large animal model. Here, we present results of a comprehensive transcriptomic, proteomic, and morphologic characterization of wound healing following volumetric muscle loss in a novel canine model of VML which we compare to a nine-patient cohort of combat-associated VML. The canine model is translationally relevant as it provides both a regional (spatial) and temporal map of the wound healing processes that occur in human VML. Collectively, these data show the spatiotemporal transcriptomic, proteomic, and morphologic properties of canine VML healing as a framework and model system applicable to future studies investigating novel therapies for human VML.
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Affiliation(s)
- Raphael John Crum
- University of Pittsburgh, McGowan Institute for Regenerative Medicine, 450 Technology Dr., Suite 300, Pittsburgh, Pennsylvania, United States, 15219;
| | - Scott A Johnson
- University of Pittsburgh, McGowan Institute for Regenerative Medicine, 450 Technology Dr, Suite 300, Pittsburgh, Pennsylvania, United States, 15219;
| | - Peng Jiang
- Cleveland State University, Center for Gene Regulation in Health and Disease, Cleveland, Ohio, United States.,Cleveland State University, Center for Applied Data Analysis and Modeling (ADAM), Cleveland, Ohio, United States.,Cleveland State University, Department of Biological, Geological, and Environmental Sciences (BGES), Cleveland, Ohio, United States;
| | - Jayati H Jui
- University of Pittsburgh, Department of Computer Science, Pittsburgh, Pennsylvania, United States;
| | - Ruben Zamora
- University of Pittsburgh, McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Surgery, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Center for Inflammation and Regeneration Modeling, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Center for Systems Immunology, Pittsburgh, Pennsylvania, United States;
| | - Devin Cortes
- University of Pittsburgh, McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Bioengineering, Pittsburgh, Pennsylvania, United States;
| | - Mangesh Kulkarni
- University of Pittsburgh, McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Bioengineering, Pittsburgh, Pennsylvania, United States;
| | - Archana Prabahar
- Cleveland State University, Center for Gene Regulation in Health and Disease, Cleveland, Ohio, United States;
| | - Jennifer Bolin
- Morgridge Institute for Research, Madison, Wisconsin, United States;
| | - Eric Gann
- Uniformed Services University of the Health Sciences, Surgery, Bethesda, Maryland, United States.,Uniformed Services University of the Health Sciences, Surgical Critical Care Initiative, Department of Surgery, Bethesda, Maryland, United States.,Henry M Jackson Foundation for the Advancement of Military Medicine Inc, Bethesda, Maryland, United States;
| | - Eric Elster
- Uniformed Services University of the Health Sciences, Surgery, Bethesda, Maryland, United States.,Henry M Jackson Foundation for the Advancement of Military Medicine Inc, Bethesda, Maryland, United States.,Uniformed Services University of the Health Sciences, Surgical Critical Care Initiative, Department of Surgery, Bethesda, Maryland, United States.,Walter Reed Army Medical Center, Bethesda, Maryland, United States;
| | - Seth A Schobel
- Uniformed Services University of the Health Sciences, Surgery, Bethesda, Maryland, United States.,Henry M Jackson Foundation for the Advancement of Military Medicine Inc, Bethesda, Maryland, United States.,Uniformed Services University of the Health Sciences, Surgical Critical Care Initiative, Department of Surgery, Bethesda, Maryland, United States;
| | - Dale Larie
- University of Vermont, Department of Surgery, Burlington, Vermont, United States;
| | - Chase Cockrell
- University of Vermont, Department of Surgery, Burlington, Vermont, United States;
| | - Gary An
- University of Vermont, Department of Surgery, Burlington, Vermont, United States;
| | - Bryan Brown
- University of Pittsburgh, McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Bioengineering, Pittsburgh, Pennsylvania, United States;
| | - Milos Hauskrecht
- University of Pittsburgh, Department of Computer Science, Pittsburgh, Pennsylvania, United States;
| | - Yoram Vodovotz
- University of Pittsburgh, Surgery, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Surgery, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Center for Inflammation and Regeneration Modeling, Pittsburgh, Pennsylvania, United States.,University of Pittsburgh, Center for Systems Immunology, Pittsburgh, Pennsylvania, United States;
| | - Stephen F Badylak
- University of Pittsburgh, McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania, United States;
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240
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Sharma S, Rajani S, Hui J, Chen A, Bivalacqua T, Singh A. Development of Enzymatic-Resistant and Compliant Decellularized Extracellular Matrixes via Aliphatic Chain Modification for Bladder Tissue Engineering. ACS APPLIED MATERIALS & INTERFACES 2022; 14:37301-37315. [PMID: 35948054 DOI: 10.1021/acsami.2c06865] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Here, we report the design and development of highly stretchable, compliant, and enzymatic-resistant transiently cross-linked decellularized extracellular matrixes (dECMs) (e.g., porcine small intestine submucosa/dSIS, urinary bladder matrix/dUBM, bovine pericardium/dBP, bovine dermis/dBD, and human dermis/dHD). Specifically, these dECMs were modified with long aliphatic chains (C9, C14, and C18). Upon modification, dECMs became significantly resistant to enzymatic degradation for extended periods, showed increased water contact angle (>20%-90%), and stretched >200% than their control counterparts. Modified dECMs are compliant, undergoing 100% elongation at only 0.3-0.5 MPa of applied tensile stress (∼10%-25% of their control counterparts), similar to the control bladder tissue. Furthermore, modified dECMs remain structurally stable at the physiological temperature with increased storage and loss modulus values but decreased tan δ values compared to their control counterparts. Although modification reduces cell adhesion, the gene expressions in polarized macrophages remain unchanged (e.g., TGFβ, CD163, and CD86), except for the modified bovine pericardium (dBP) where a significant decrease in TNFα gene expression is observed. When implanted in the rat subcutaneous model, modified dECMs degraded relatively slowly and did not cause significant fibrotic tissue formation. The numbers of pro-regenerative macrophages increased to several folds in a later time point of evaluation. Modified dECM also supported the bladder wall regeneration with formations of the urothelium, lamina propria, blood vessels, and muscle bundles and reduced the occurrence of calculi formation by 50% in a rat bladder augmentation model. We anticipate that the enhanced stretchability, compliance, and physiological stability of dECMs indicate their suitability for urologic tissue regeneration.
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Affiliation(s)
- Shivang Sharma
- Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Sarah Rajani
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Justin Hui
- Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Aaron Chen
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Trinity Bivalacqua
- Perelman Center for Advanced Medicine & Abramson Cancer Center, Penn Urology Perelman, Philadelphia, Pennsylvania 19104, United States
| | - Anirudha Singh
- Department of Urology, Johns Hopkins University, Baltimore, Maryland 21287, United States
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241
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Heo J, Joung C, Pahk K, Pahk KJ. Investigation of the long-term healing response of the liver to boiling histotripsy treatment in vivo. Sci Rep 2022; 12:14462. [PMID: 36002564 PMCID: PMC9402918 DOI: 10.1038/s41598-022-18544-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 08/16/2022] [Indexed: 11/09/2022] Open
Abstract
Boiling histotripsy (BH) is a promising High-Intensity Focused Ultrasound technique that can be employed to mechanically fractionate solid tumours. Whilst studies have shown the feasibility of BH to destroy liver cancer, no study has reported on the healing process of BH-treated liver tissue. We therefore extensively investigated the evolution of the healing response of liver to BH in order to provide an insight into the healing mechanisms. In the present study, 14 Sprague Dawley rats underwent the BH treatment and were sacrificed on days 0, 3, 7, 14, and 28 for morphological, histological, serological and qPCR analyses. The area of the treated region was 1.44 cm2 (1.2 cm × 1.2 cm). A well-defined BH lesion filled with coagulated blood formed on day 0. A week after the treatment, fibroblast activation was induced at the treatment site, leading to the formation of extracellular matrix structure (ECM). The ECM was then disrupted for 7 to 28 days. Regenerated normal hepatocytes and newly formed blood vessels were found within the BH region with the absence of hepatic fibrosis. No significant morphological, histological and genetic changes around the BH lesion occurred. These results suggest that BH could be a safe and promising therapeutic tool for treating solid tumours without inducing any significant adverse effect such as the formation of liver fibrosis.
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Affiliation(s)
- Jeongmin Heo
- Center for Bionics, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Chanmin Joung
- Institute for Inflammation Control, Korea University, Seoul, Republic of Korea
| | - Kisoo Pahk
- Department of Nuclear Medicine, Korea University College of Medicine, Anam-dong 5-ga, Seongbuk-gu, Seoul, 02841, Republic of Korea.
| | - Ki Joo Pahk
- Department of Biomedical Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do, 17104, Republic of Korea.
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242
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A Comprehensive Review of Natural Compounds for Wound Healing: Targeting Bioactivity Perspective. Int J Mol Sci 2022; 23:ijms23179573. [PMID: 36076971 PMCID: PMC9455684 DOI: 10.3390/ijms23179573] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/20/2022] [Accepted: 08/20/2022] [Indexed: 11/17/2022] Open
Abstract
Wound healing is a recovering process of damaged tissues by replacing dysfunctional injured cellular structures. Natural compounds for wound treatment have been widely used for centuries. Numerous published works provided reviews of natural compounds for wound healing applications, which separated the approaches based on different categories such as characteristics, bioactivities, and modes of action. However, current studies provide reviews of natural compounds that originated from only plants or animals. In this work, we provide a comprehensive review of natural compounds sourced from both plants and animals that target the different bioactivities of healing to promote wound resolution. The compounds were classified into four main groups (i.e., anti-inflammation, anti-oxidant, anti-bacterial, and collagen promotion), mostly studied in current literature from 1992 to 2022. Those compounds are listed in tables for readers to search for their origin, bioactivity, and targeting phases in wound healing. We also reviewed the trend in using natural compounds for wound healing.
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243
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Accelerated Wound Healing Potential of Nisin in Streptozotocin Induced Diabetes Mellitus in Wistar Rats. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10452-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Xiong J, Bonney S, Gonçalves RV, Esposito D. Brassinosteroids control the inflammation, oxidative stress and cell migration through the control of mitochondrial function on skin regeneration. Life Sci 2022; 307:120887. [PMID: 35985505 DOI: 10.1016/j.lfs.2022.120887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/11/2022] [Accepted: 08/13/2022] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Brassinosteroids (BRs) are the class of phytohormones with great importance in agriculture and potential diverse effects on human welfare, including skin disease treatment. In this sense, BRs are a promising tool for promoting skin regeneration. AIMS Therefore, the objective of the present work was to analyze the effect of BRs in wound repair, mainly the inflammatory and proliferative phases, and their influence on migratory abilities in human dermal fibroblasts (HDFa), and consequently understand the mitochondrial metabolism. MAIN METHODS We measured nine natural and synthetic BRs for the inflammatory response in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. We further evaluated the migration activity in HDFa modeling promotion of wound closure after BRs exposure. In addition, we evaluated the 84 gene profiles linked to wound healing response using RT2 Profiler PCR Array and examined cellular bioenergetics using an extracellular flux analyzer. KEY FINDINGS Results showed that LPS-induced cells had around 10 % lower reactive oxygen species and nitric oxide accumulation when treated with some BRs compounds. HDFa treated with homobrassinolide-based and homocastasterone-based compounds resulted in the greatest migratory activity and presents the best results for mitochondrial responses. SIGNIFICANCE Together, these results provided strong evidence for BRs' ability to promote skin health, particularly through contributions to both reducing excessive oxidative stress and controlling the inflammation process resulting in the best HDFa cell migration through the control of mitochondrial function.
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Affiliation(s)
- Jia Xiong
- Plants for Human Health Institute, NC State University, North Carolina Research Campus, 600 Laureate Way, Kannapolis, NC 28081, USA; Department of Animal Science, NC State University, 120 Broughton Drive, Raleigh, NC 27695, USA.
| | - Sierra Bonney
- Plants for Human Health Institute, NC State University, North Carolina Research Campus, 600 Laureate Way, Kannapolis, NC 28081, USA; Department of Animal Science, NC State University, 120 Broughton Drive, Raleigh, NC 27695, USA
| | - Reggiani Vilela Gonçalves
- Plants for Human Health Institute, NC State University, North Carolina Research Campus, 600 Laureate Way, Kannapolis, NC 28081, USA; Department of Animal Biology, Federal University of Viçosa, Avenida Ph. Rolfs, 36.570-000, MG, Brazil.
| | - Debora Esposito
- Plants for Human Health Institute, NC State University, North Carolina Research Campus, 600 Laureate Way, Kannapolis, NC 28081, USA; Department of Animal Science, NC State University, 120 Broughton Drive, Raleigh, NC 27695, USA.
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245
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Kuznetsova TA, Andryukov BG, Polovov SF, Gazha AK. Modern aspects of burn injury immunopathogenesis and immuno-biochemical markers of wound healing (review of literature). Klin Lab Diagn 2022; 67:451-457. [PMID: 36095081 DOI: 10.51620/0869-2084-2022-67-8-451-457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Burns are one of the most common traumatic injuries in the world, representing a global public health problem. Major burns (severe burn injury or burn disease) are one of the most life-threatening injuries. There is a great need to identify and monitor the development of complications (sepsis and septic shock, coagulopathy and DIC) in burned patients. The basis of the pathogenesis of burn injury, as well as any general pathological process, is an inflammatory reaction, ultimately aimed at restoring the structure and function of the damaged tissue. A feature of the inflammatory reaction in burn injury is the scale of alteration of the skin and mucous membranes. The review presents the main aspects of the burn injuries immunopathogenesis and the features of post-burn immune dysfunction, manifested by disorders in the innate and adaptive immunity systems. Attention is focused on the role in the immunopathogenesis of developing systemic and local disorders in burn injury. Also the role are discussed of a minor subpopulations of lymphocytes (Treg-, Th-17-, γδT-cells) in the immunopathogenesis and in the bacterial infection protection. The characteristics of the main immuno-biochemical markers of burn injury (cytokines and growth factors, nitric oxide, matrix metalloproteases, bacteria concentration levels) are present. The prognostic role of these biomarkers in assessing of the severity degree of patients with burn injury and wound healing processes is shown. The review has been compiled using references from major databases such as RSCI, Web of Science, PubMed, Scopus and Google Scholar (up to march 2022). After obtaining all reports from database, the papers were carefully analyzed in order to find data related to the topic of this review (60 references).
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Affiliation(s)
- T A Kuznetsova
- Far Eastern branch of the Federal State Budgetary Institution "State Research and Testing Institute of Military Medicine" State Military Medical University of the Ministry of Defense of the Russian Federation
| | - B G Andryukov
- Far Eastern branch of the Federal State Budgetary Institution "State Research and Testing Institute of Military Medicine" State Military Medical University of the Ministry of Defense of the Russian Federation
| | - S F Polovov
- Far Eastern branch of the Federal State Budgetary Institution "State Research and Testing Institute of Military Medicine" State Military Medical University of the Ministry of Defense of the Russian Federation
| | - A K Gazha
- Far Eastern branch of the Federal State Budgetary Institution "State Research and Testing Institute of Military Medicine" State Military Medical University of the Ministry of Defense of the Russian Federation
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246
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Yu X, Zhu X, Xu H, Li L. Emerging roles of long non-coding RNAs in keloids. Front Cell Dev Biol 2022; 10:963524. [PMID: 36046343 PMCID: PMC9421354 DOI: 10.3389/fcell.2022.963524] [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: 06/07/2022] [Accepted: 07/22/2022] [Indexed: 11/30/2022] Open
Abstract
Keloids are pathologic wound healing conditions caused by fibroblast hyperproliferation and excess collagen deposition following skin injury or irritation, which significantly impact patients by causing psychosocial and functional distress. Extracellular matrix (ECM) deposition and human fibroblast proliferation represents the main pathophysiology of keloid. Long non-coding RNAs (LncRNAs) play important roles in many biological and pathological processes, including development, differentiation and carcinogenesis. Recently, accumulating evidences have demonstrated that deregulated lncRNAs contribute to keloids formation. The present review summarizes the researches of deregulated lncRNAs in keloid. Exploring lncRNA-based methods hold promise as new effective therapies against keloid.
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247
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Ramakrishnan R, Chouhan D, Vijayakumar Sreelatha H, Arumugam S, Mandal BB, Krishnan LK. Silk Fibroin-Based Bioengineered Scaffold for Enabling Hemostasis and Skin Regeneration of Critical-Size Full-Thickness Heat-Induced Burn Wounds. ACS Biomater Sci Eng 2022; 8:3856-3870. [PMID: 35969223 DOI: 10.1021/acsbiomaterials.2c00328] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Millions of people around the globe are affected by full-thickness skin injuries. A delay in the healing of such injuries can lead to the formation of chronic wounds, posing several clinical and economic challenges. Current strategies for wound care aim for skin regeneration and not merely skin repair or faster wound closure. The present study aimed to develop a bioactive wound-healing matrix comprising natural biomaterial silk fibroin (SF), clinical-grade human fibrin (FIB), and human hyaluronic acid (HA), resulting in SFFIBHA for regeneration of full-thickness burn wounds. A porous, hemostatic, self-adhesive, moisture-retentive, and biomimetic scaffold that promotes healing was the expected outcome. The study validated a terminal sterilization method, suggesting the stability and translational potential of the novel scaffold. Also, the study demonstrated the regenerative abilities of scaffolds using in vitro cell culture experiments and in vivo full-thickness burn wounds of critical size (4 cm × 4 cm) in a rabbit model. Under in vitro conditions, the scaffold enhanced primary dermal fibroblast adhesion and cell proliferation with regulated extracellular matrix (ECM) synthesis. In vivo, the scaffolds promoted healing with mature epithelium coverage involving intact basal cells, superficial keratinocytes, multilayers of keratohyalin, dermal regeneration with angiogenesis, and deposition of remodeled ECM in 28 days. The relative gene expression of the IL6 marker indicated transitions from inflammation to proliferation stage. In addition, we observed skin appendages and rete peg development in the SFFIBHA-treated wound tissues. Although wound closure was observed, neither negative (untreated/sham) nor positive (commercially available product; NeuSkin) control wounds developed skin appendages/rete pegs or native skin architecture. After 56 days, healing with organized ECM production enabled the recovery of mechanical properties of skin with higher tissue maturity in SFFIBHA-treated wounds. Thus, in a single application, the SFFIBHA scaffold proved to be an efficient biomimetic matrix that can guide burn wound regeneration. The developed matrix is a suture-less, hemostatic, off-the-shelf product for potential wound regenerative applications.
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Affiliation(s)
- Rashmi Ramakrishnan
- Department of Applied Biology, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Poojappura, Thiruvananthapuram 695012, Kerala, India
| | - Dimple Chouhan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati 781039, Assam, India
| | - Harikrishnan Vijayakumar Sreelatha
- Department of Applied Biology, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Poojappura, Thiruvananthapuram 695012, Kerala, India
| | - Sabareeswaran Arumugam
- Department of Applied Biology, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Poojappura, Thiruvananthapuram 695012, Kerala, India
| | - Biman B Mandal
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati 781039, Assam, India.,Centre for Nanotechnology, Indian Institute of Technology Guwahati (IITG), Guwahati 781039, Assam, India.,School of Health Sciences & Technology, Indian Institute of Technology Guwahati (IITG), Guwahati 781039, Assam, India
| | - Lissy K Krishnan
- Department of Applied Biology, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Poojappura, Thiruvananthapuram 695012, Kerala, India.,Department of Research & Innovation, DM Wayanad Institute of Medical Sciences (DM WIMS), Meppadi, Wayanad 673577, Kerala, India
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248
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Chen G, Chen H, Zeng X, Zhu W. Stem cell-derived exosomal transcriptomes for wound healing. Front Surg 2022; 9:933781. [PMID: 36034367 PMCID: PMC9417542 DOI: 10.3389/fsurg.2022.933781] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 08/01/2022] [Indexed: 12/02/2022] Open
Abstract
Wound healing is a complex and integrated process of the interaction of various components within the injured tissue. Accumulating evidence suggested that stem cell-derived exosomal transcriptomes could serve as key regulatory molecules in wound healing in stem cell therapy. Stem cell-derived exosomal transcriptomes mainly consist of long noncoding RNAs (lncRNAs), microRNAs (miRNAs), circular RNAs (circRNAs) and messenger RNAs (mRNAs). In this article we presented a brief introduction on the wound repair process and exosomal transcriptomes. Meanwhile, we summarized our current knowledge of the involvement of exosomal transcriptomes in physiological and pathological wound repair process including inflammation, angiogenesis, and scar formation.
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Affiliation(s)
- Guiling Chen
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- National Institute of Stem Cell Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Hankun Chen
- Research and Development Department, Guangzhou Qinglan Biotechnology Company Limited, Guangzhou, China
| | - Xiang Zeng
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- National Institute of Stem Cell Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
- Correspondence: Xiang Zeng Wei Zhu
| | - Wei Zhu
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
- Correspondence: Xiang Zeng Wei Zhu
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249
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Ramachandran V, Mohanasundaram T, Tiwari R, Tiwari G, Vijayakumar P, Bhongiri B, Xavier RM. Nrf2 Mediated Heme Oxygenase-1 Activation Contributes to Diabetic Wound Healing - an Overview. Drug Res (Stuttg) 2022; 72:487-495. [PMID: 35931068 DOI: 10.1055/a-1899-8233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Diabetic wound healing is a complicated procedure because hyperglycemia changes the various stages of wound healing. In type 2 diabetes mellitus (T2DM), oxidative stress is proven to be a critical factor in causing non-healing wounds and aggravating the inflammatory phase, resulting in the amputation of lower limbs in T2DM patients. This makes scientists figure out how to control oxidative stress and chronic inflammation at the molecular level. Nuclear factor erythroid 2- related factor 2 (Nrf2) releases antioxidant proteins to suppress reactive oxygen species (ROS) activation and inflammation. The current review discusses the role of Nrf2 in improving diabetic wound healing by reducing the production of ROS and thus reducing oxidative stress, as well as inhibiting nuclear factor kappa B (NF-kB) dissociation and nuclear translocation, which prevents the release of inflammatory mediators and increases antioxidant protein levels, thereby improving diabetic wound healing. As a result, the researcher will be able to find a more effective diabetic wound healing therapy.
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Affiliation(s)
- Vadivelan Ramachandran
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, The Nilgiris, Tamilnadu, India
| | - Tharani Mohanasundaram
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, The Nilgiris, Tamilnadu, India
| | - Ruchi Tiwari
- Pranveer Singh institute of Technology (Pharmacy), Kanpur - Agra - Delhi, NH2, Bhauti, Kanpur, Uttar Pradesh, India
| | - Gaurav Tiwari
- Pranveer Singh institute of Technology (Pharmacy), Kanpur - Agra - Delhi, NH2, Bhauti, Kanpur, Uttar Pradesh, India
| | - Putta Vijayakumar
- Department of Pharmacy Practice, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, The Nilgiris, Tamilnadu, India
| | - Bhargav Bhongiri
- Department of Pharmacy Practice, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, The Nilgiris, Tamilnadu, India
| | - Rinu Mary Xavier
- Department of Pharmacy Practice, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, The Nilgiris, Tamilnadu, India
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Macrophage Phenotypes in Normal and Diabetic Wound Healing and Therapeutic Interventions. Cells 2022; 11:cells11152430. [PMID: 35954275 PMCID: PMC9367932 DOI: 10.3390/cells11152430] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/30/2022] [Accepted: 08/02/2022] [Indexed: 11/29/2022] Open
Abstract
Macrophage differentiation and polarization are essential players in the success of the wound-healing process. Acute simple wounds progress from inflammation to proliferation/regeneration and, finally, to remodeling. In injured skin, macrophages either reside in the epithelium or are recruited from monocytes. Their main role is supported by their plasticity, which allows them to adopt different phenotypic states, such as the M1-inflammatory state, in which they produce TNF and NO, and the M2-reparative state, in which they resolve inflammation and exhibit a reparative function. Reparative macrophages are an essential source of growth factors such as TGF-β and VEGF and are not found in nonhealing wounds. This review discusses the differences between macrophage phenotypes in vitro and in vivo, how macrophages originate, and how they cross-communicate with other cellular components in a wound. This review also highlights the dysregulation of macrophages that occurs in nonhealing versus overhealing wounds and fibrosis. Then, the therapeutic manipulation of macrophages is presented as an attractive strategy for promoting healing through the secretion of growth factors for angiogenesis, keratinocyte migration, and collagen production. Finally, Hoxa3 overexpression is discussed as an example of the therapeutic repolarization of macrophages to the normal maturation state and phenotype with better healing outcomes.
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