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Zhu J, Lan X, Mo K, Zhang W, Huang Y, Tan J, Wang L, Ji J, Ke Q, Ouyang H. Deficiency of SECTM1 impairs corneal wound healing in aging. Aging Cell 2024:e14247. [PMID: 38887148 DOI: 10.1111/acel.14247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 05/16/2024] [Accepted: 06/05/2024] [Indexed: 06/20/2024] Open
Abstract
The corneal epithelium is the outermost transparent barrier of the eyeball and undergoes continuous self-renewal by limbal stem cells (LSCs) during its lifetime; however, the impact of aging on LSCs remains largely unknown. Here, we showed that the healing ability of the cornea in elderly macaques (Macaca fascicularis) was significantly decreased compared to that of younger macaques. This delayed wound closure accompanied a disordered cell arrangement and corneal opacity. A novel cytokine, Secreted and Transmembrane 1 (SECTM1), was found to facilitate corneal healing and was upregulated in young macaques upon wounding. Mechanistically, SECTM1 is essential for LSC migration and proliferation, and may partially function through Cell Division Cycle Associated 7 (CDCA7). Notably, the topical application of SECTM1 to aged wounded corneas dramatically promoted re-epithelialization and improved corneal transparency in both mice and macaques. Our work suggests that aging may impair the expression of healing response factors and injury repair in non-human primate corneas, and that SECTM1 application could potentially benefit corneal wound healing in clinical treatment.
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Affiliation(s)
- Jin Zhu
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Xihong Lan
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Kunlun Mo
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Wang Zhang
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Ying Huang
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Jieying Tan
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Li Wang
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Jianping Ji
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Qiong Ke
- Key Laboratory for Stem Cells and Tissue Engineering, Center for Stem Cell Biology and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
- Department of Histoembryology and Cell Biology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Hong Ouyang
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
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Mu X, Gu R, Tang M, Wu X, He W, Nie X. IL-17 in wound repair: bridging acute and chronic responses. Cell Commun Signal 2024; 22:288. [PMID: 38802947 PMCID: PMC11129447 DOI: 10.1186/s12964-024-01668-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 05/18/2024] [Indexed: 05/29/2024] Open
Abstract
Chronic wounds, resulting from persistent inflammation, can trigger a cascade of detrimental effects including exacerbating inflammatory cytokines, compromised blood circulation at the wound site, elevation of white blood cell count, increased reactive oxygen species, and the potential risk of bacterial infection. The interleukin-17 (IL-17) signaling pathway, which plays a crucial role in regulating immune responses, has been identified as a promising target for treating inflammatory skin diseases. This review aims to delve deeper into the potential pathological role and molecular mechanisms of the IL-17 family and its pathways in wound repair. The intricate interactions between IL-17 and other cytokines will be discussed in detail, along with the activation of various signaling pathways, to provide a comprehensive understanding of IL-17's involvement in chronic wound inflammation and repair.
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Affiliation(s)
- Xingrui Mu
- College of Pharmacy, Zunyi Medical University, Zunyi, 563006, China
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563006, China
| | - Rifang Gu
- School Medical Office, Zunyi Medical University, Zunyi, 563006, China
| | - Ming Tang
- Department of Structural Biology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Xingqian Wu
- College of Pharmacy, Zunyi Medical University, Zunyi, 563006, China
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563006, China
| | - Wenjie He
- College of Pharmacy, Zunyi Medical University, Zunyi, 563006, China
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563006, China
| | - Xuqiang Nie
- College of Pharmacy, Zunyi Medical University, Zunyi, 563006, China.
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563006, China.
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Kellaway SC, Ullrich MM, Dziemidowicz K. Electrospun drug-loaded scaffolds for nervous system repair. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1965. [PMID: 38740385 DOI: 10.1002/wnan.1965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 05/16/2024]
Abstract
Nervous system injuries, encompassing peripheral nerve injury (PNI), spinal cord injury (SCI), and traumatic brain injury (TBI), present significant challenges to patients' wellbeing. Traditional treatment approaches have limitations in addressing the complexity of neural tissue regeneration and require innovative solutions. Among emerging strategies, implantable materials, particularly electrospun drug-loaded scaffolds, have gained attention for their potential to simultaneously provide structural support and controlled release of therapeutic agents. This review provides a thorough exploration of recent developments in the design and application of electrospun drug-loaded scaffolds for nervous system repair. The electrospinning process offers precise control over scaffold characteristics, including mechanical properties, biocompatibility, and topography, crucial for creating a conducive environment for neural tissue regeneration. The large surface area of the resulting fibrous networks enhances biomolecule attachment, influencing cellular behaviors such as adhesion, proliferation, and migration. Polymeric electrospun materials demonstrate versatility in accommodating a spectrum of therapeutics, from small molecules to proteins. This enables tailored interventions to accelerate neuroregeneration and mitigate inflammation at the injury site. A critical aspect of this review is the examination of the interplay between structural properties and pharmacological effects, emphasizing the importance of optimizing both aspects for enhanced therapeutic outcomes. Drawing upon the latest advancements in the field, we discuss the promising outcomes of preclinical studies using electrospun drug-loaded scaffolds for nervous system repair, as well as future perspectives and considerations for their design and implementation. This article is categorized under: Implantable Materials and Surgical Technologies > Nanomaterials and Implants Implantable Materials and Surgical Technologies > Nanotechnology in Tissue Repair and Replacement Therapeutic Approaches and Drug Discovery > Emerging Technologies.
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Affiliation(s)
- Simon C Kellaway
- Department of Pharmacology, UCL School of Pharmacy, London, United Kingdom
| | - Mathilde M Ullrich
- Department of Pharmacology, UCL School of Pharmacy, London, United Kingdom
- Department of Pharmaceutics, UCL School of Pharmacy, London, United Kingdom
| | - Karolina Dziemidowicz
- Department of Pharmacology, UCL School of Pharmacy, London, United Kingdom
- Department of Pharmaceutics, UCL School of Pharmacy, London, United Kingdom
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Zhang G, Wang D, Ren J, Li J, Guo Q, Shi L, Li C. Antler stem cell-derived exosomes promote regenerative wound healing via fibroblast-to-myofibroblast transition inhibition. J Biol Eng 2023; 17:67. [PMID: 37940994 PMCID: PMC10633995 DOI: 10.1186/s13036-023-00386-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 10/23/2023] [Indexed: 11/10/2023] Open
Abstract
INTRODUCTION The typical outcome of mammalian wound healing is scarring, a fibrotic process mediated by myofibroblast aggregation. Perfect healing in a clinical setting is relatively unexplored. Surprisingly, our previous studies have shown that the large wound (10 cm diameter or more) of the pedicle of deer naturally achieves regenerative restoration, realized through a paracrine pathway from adjacent antler stem cells (AnSCs). METHODS AnSC-derived exosomes (AnSC-exos) were topically injected around the full-thickness wounds in a rat model. The effects on the rate of wound healing and the quality of healing were evaluated via morphological, histological, and molecular biological techniques on days 14 and 28 after surgery. RESULTS The results showed that AnSC-exos significantly accelerated the rate of wound healing and improved healing quality, including regeneration of cutaneous appendages (hair follicles and sebaceous glands) and the distribution pattern of collagen (basket-weave-like) in the healed skin. These effects of AnSC-exos were comparable to those of AnSCs but were significantly more potent than those of exosomes derived from bone marrow mesenchymal stem cells (bMSC-exos). Furthermore, AnSC-exos treatment effectively inhibited fibroblast-to-myofibroblast transition (FMT), as evidenced by the reduction of full-thickness skin injury-induced FMT in vivo and TGF-β1-induced FMT in vitro. CONCLUSION AnSC-exos could effectively promote regenerative cutaneous wound healing, highly likely through FMT inhibition. This suggests that AnSC-exos treatment could provide the potential for a novel approach to induce regenerative wound healing in the clinical setting.
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Affiliation(s)
- Guokun Zhang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, No. 1345 of Pudong Rd., Changchun, Jilin, 130600, China
| | - Dongxu Wang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, No. 1345 of Pudong Rd., Changchun, Jilin, 130600, China
| | - Jing Ren
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, No. 1345 of Pudong Rd., Changchun, Jilin, 130600, China
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, 130118, China
| | - Jiping Li
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, No. 1345 of Pudong Rd., Changchun, Jilin, 130600, China
| | - Qianqian Guo
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, No. 1345 of Pudong Rd., Changchun, Jilin, 130600, China
| | - Liyan Shi
- China-Japan Union Hospital, Jilin University, Changchun, 130033, China
| | - Chunyi Li
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, No. 1345 of Pudong Rd., Changchun, Jilin, 130600, China.
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, 130118, China.
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Ersanli C, Tzora A, Voidarou C(C, Skoufos S, Zeugolis DI, Skoufos I. Biodiversity of Skin Microbiota as an Important Biomarker for Wound Healing. BIOLOGY 2023; 12:1187. [PMID: 37759587 PMCID: PMC10525143 DOI: 10.3390/biology12091187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/24/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023]
Abstract
Cutaneous wound healing is a natural and complex repair process that is implicated within four stages. However, microorganisms (e.g., bacteria) can easily penetrate through the skin tissue from the wound bed, which may lead to disbalance in the skin microbiota. Although commensal and pathogenic bacteria are in equilibrium in normal skin, their imbalance in the wound area can cause the delay or impairment of cutaneous wounds. Moreover, skin microbiota is in constant crosstalk with the immune system and epithelial cells, which has significance for the healing of a wound. Therefore, understanding the major bacteria species in the cutaneous wound as well as their communication with the immune system has gained prominence in a way that allows for the emergence of a new perspective for wound healing. In this review, the major bacteria isolated from skin wounds, the role of the crosstalk between the cutaneous microbiome and immune system to heal wounds, the identification techniques of these bacteria populations, and the applied therapies to manipulate the skin microbiota are investigated.
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Affiliation(s)
- Caglar Ersanli
- Laboratory of Animal Science, Nutrition and Biotechnology, Department of Agriculture, University of Ioannina, 47100 Arta, Greece; (C.E.); (I.S.)
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece; (C.V.)
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular and Biomedical Research, School of Mechanical and Materials Engineering, University College Dublin, D04 V1W8 Dublin, Ireland;
| | - Athina Tzora
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece; (C.V.)
| | - Chrysoula (Chrysa) Voidarou
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece; (C.V.)
| | - Stylianos Skoufos
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece; (C.V.)
| | - Dimitrios I. Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular and Biomedical Research, School of Mechanical and Materials Engineering, University College Dublin, D04 V1W8 Dublin, Ireland;
| | - Ioannis Skoufos
- Laboratory of Animal Science, Nutrition and Biotechnology, Department of Agriculture, University of Ioannina, 47100 Arta, Greece; (C.E.); (I.S.)
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Li S, Zhao Z, Li Q, Li J, Pang Y. Lamprey Wound Healing and Regenerative Effects: The Collaborative Efforts of Diverse Drivers. Int J Mol Sci 2023; 24:ijms24043213. [PMID: 36834626 PMCID: PMC9965152 DOI: 10.3390/ijms24043213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/08/2023] [Accepted: 01/17/2023] [Indexed: 02/10/2023] Open
Abstract
Skin is a natural barrier between the body and the external environment, and this important multifunctional organ plays roles in body temperature regulation, sensory stimulation, mucus secretion, metabolite excretion and immune defense. Lampreys, as ancient vertebrates, rarely experience infection of damaged skin during farming and efficiently promote skin wound healing. However, the mechanism underlying these wound healing and regenerative effects is unclear. Our histology and transcriptomics results demonstrate that lampreys regenerate a nearly complete skin structure in damaged epidermis, including the secretory glands, and will almost not be infected, even if experiencing full-thickness damage. In addition, ATGL, DGL and MGL participate in the lipolysis process to provide space for infiltrating cells. A large number of red blood cells migrate to the site of injury and exert proinflammatory effects, upregulating the expression of proinflammatory factors such as IL-8 and IL-17. Based on a lamprey skin damage healing model, adipocytes and red blood cells in the subcutaneous fat layer can promote wound healing, which provides a new approach for the study of skin healing mechanisms. Transcriptome data reveal that mechanical signal transduction pathways are mainly regulated by focal adhesion kinase and that the actin cytoskeleton plays an important role in the healing of lamprey skin injuries. We identified RAC1 as a key regulatory gene that is necessary and partially sufficient for wound regeneration. Insights into the mechanisms of lamprey skin injury and healing will provide a theoretical basis for overcoming the challenges associated with chronic healing and scar healing in the clinic.
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Affiliation(s)
- Shushen Li
- College of Life Sciences, Liaoning Normal University, Dalian 116081, China
- Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Zhiyuan Zhao
- College of Life Sciences, Liaoning Normal University, Dalian 116081, China
- Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Qingwei Li
- College of Life Sciences, Liaoning Normal University, Dalian 116081, China
- Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Jun Li
- College of Life Sciences, Liaoning Normal University, Dalian 116081, China
- Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
- Correspondence: (J.L.); (Y.P.)
| | - Yue Pang
- College of Life Sciences, Liaoning Normal University, Dalian 116081, China
- Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
- Correspondence: (J.L.); (Y.P.)
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Wang G, Yang F, Zhou W, Xiao N, Luo M, Tang Z. The initiation of oxidative stress and therapeutic strategies in wound healing. Biomed Pharmacother 2023; 157:114004. [PMID: 36375308 DOI: 10.1016/j.biopha.2022.114004] [Citation(s) in RCA: 57] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/09/2022] [Accepted: 11/09/2022] [Indexed: 11/13/2022] Open
Abstract
When the production of reactive oxygen species (ROS) is overloaded surpassing the capacity of the reductive rheostat, mammalian cells undergo a series of oxidative damage termed oxidative stress (OS). This phenomenon is ubiquitously detected in many human pathological conditions. Wound healing program implicates continuous neovascularization, cell proliferation, and wound remodeling. Increasing evidence indicates that reactive oxygen species (ROS) have profound impacts on the wound healing process through regulating a series of the physiological and pathological program including inflammatory response, cell proliferation, angiogenesis, granulation as well as extracellular matrix formation. In most pathological wound healing processes, excessive ROS exerts a negative role on the wound healing process. Interestingly, the moderate increase of ROS levels is beneficial in killing bacteria at the wound site, which creates a sterile niche for revascularization. In this review, we discussed the physiological rhythms of wound healing and the role of ROS in this progress, aim to explore the potential manipulation of OS as a promising therapeutic avenue.
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Affiliation(s)
- Gang Wang
- Laboratory for Cardiovascular Pharmacology of Department of Pharmacology, The School of Pharmacy, Southwest Medical University, Luzhou, China; Drug Discovery Research Center, Southwest Medical University, Luzhou, China; Department of Pharmacology, college of Pharmacy, Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Drug Metabolism, Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing, China, Chongqing, China
| | - Feifei Yang
- Department of Pharmacology, college of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Weiying Zhou
- Department of Pharmacology, college of Pharmacy, Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Drug Metabolism, Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing, China, Chongqing, China
| | - Nanyang Xiao
- Department of Microbiology, University of Chicago, Chicago, IL, USA
| | - Mao Luo
- Laboratory for Cardiovascular Pharmacology of Department of Pharmacology, The School of Pharmacy, Southwest Medical University, Luzhou, China; Drug Discovery Research Center, Southwest Medical University, Luzhou, China.
| | - Zonghao Tang
- Laboratory for Cardiovascular Pharmacology of Department of Pharmacology, The School of Pharmacy, Southwest Medical University, Luzhou, China; Drug Discovery Research Center, Southwest Medical University, Luzhou, China; Cedars-Sinai Medical Center, Los Angeles, CA, USA.
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Luo Y, Xu X, Ye Z, Xu Q, Li J, Liu N, Du Y. 3D bioprinted mesenchymal stromal cells in skin wound repair. Front Surg 2022; 9:988843. [PMID: 36311952 PMCID: PMC9614372 DOI: 10.3389/fsurg.2022.988843] [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: 07/07/2022] [Accepted: 09/20/2022] [Indexed: 11/07/2022] Open
Abstract
Skin tissue regeneration and repair is a complex process involving multiple cell types, and current therapies are limited to promoting skin wound healing. Mesenchymal stromal cells (MSCs) have been proven to enhance skin tissue repair through their multidifferentiation and paracrine effects. However, there are still difficulties, such as the limited proliferative potential and the biological processes that need to be strengthened for MSCs in wound healing. Recently, three-dimensional (3D) bioprinting has been applied as a promising technology for tissue regeneration. 3D-bioprinted MSCs could maintain a better cell ability for proliferation and expression of biological factors to promote skin wound healing. It has been reported that 3D-bioprinted MSCs could enhance skin tissue repair through anti-inflammatory, cell proliferation and migration, angiogenesis, and extracellular matrix remodeling. In this review, we will discuss the progress on the effect of MSCs and 3D bioprinting on the treatment of skin tissue regeneration, as well as the perspective and limitations of current research.
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Zhao H, Xu Y, Wang S, Li P, Wang T, Zhang F, Li J, Zhang Y, Ma J, Zhang W. "Jianbing" styling multifunctional electrospinning composite membranes for wound healing. Front Bioeng Biotechnol 2022; 10:943695. [PMID: 36061446 PMCID: PMC9437280 DOI: 10.3389/fbioe.2022.943695] [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: 05/14/2022] [Accepted: 07/20/2022] [Indexed: 12/13/2022] Open
Abstract
Wound infection and excessive exudate can affect the process of wound healing. However, the disadvantage of the anti-microbial wound dressings is that the biological fluids are ineffectively removed. Inspired by making "Chinese Jianbing", a composite wound nano-dressing was developed consisting of a hydrophilic outer layer (chitosan&polyvinyl alcohol: CTS-PVA) and a hydrophobic inner layer (propolis&polycaprolactone: PRO-PCL) by combining casting and electrospinning methods for effective antibacterial and unidirectional removing excess biofluids. In vitro, the composite wound nano-dressing of PRO-PCL and CTS-PVA (PPCP) could strongly inhibit Pseudomonas aeruginosa. Furthermore, PPCP wound dressing had excellent antioxidant properties and blood coagulation index for effective hemostatic. Importantly, it had a preferable water absorption for removing excess biofluid. In vivo, it had anti-inflammatory properties and promoted collagen Ⅰ preparation, which realized 80% wound healing on day 7. In short, the PPCP wound dressing provides a new direction and option for antibacterial and removes excess biofluid.
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Affiliation(s)
- Hanqiang Zhao
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, China
| | - Youguang Xu
- Department of Pharmacy, Weifang Hospital of Traditional Chinese Medicine, Weifang, China
| | - Saisai Wang
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, China
| | - Pan Li
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, China
| | - Ting Wang
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, China
| | - Fang Zhang
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, China
| | - Juan Li
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, China
| | - Yapei Zhang
- Department of Biomedical Engineering, Michigan State University, East Lansing, MI, United States
| | - Jinlong Ma
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, China,Collaborative Innovation Center for Target Drug Delivery System, Weifang Medical University, Weifang, Shandong, China,Shandong Engineering Research Center for Smart Materials and Regenerative Medicine, Weifang Medical University, Weifang, Shandong, China,*Correspondence: Jinlong Ma, ; Weifen Zhang,
| | - Weifen Zhang
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, China,Collaborative Innovation Center for Target Drug Delivery System, Weifang Medical University, Weifang, Shandong, China,Shandong Engineering Research Center for Smart Materials and Regenerative Medicine, Weifang Medical University, Weifang, Shandong, China,*Correspondence: Jinlong Ma, ; Weifen Zhang,
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10
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Zhang G, Wang D, Ren J, Sun H, Li J, Wang S, Shi L, Wang Z, Yao M, Zhao H, Li C. Velvet Antler Peptides Reduce Scarring via Inhibiting the TGF-β Signaling Pathway During Wound Healing. Front Med (Lausanne) 2022; 8:799789. [PMID: 35127757 PMCID: PMC8814364 DOI: 10.3389/fmed.2021.799789] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/30/2021] [Indexed: 12/21/2022] Open
Abstract
Aim Scar formation generally occurs in cutaneous wound healing in mammals, mainly caused by myofibroblast aggregations, and currently with few effective treatment options. However, the pedicle wound (about 10 cm in diameter) of the deer can initiate regenerative healing, which has been found to be achieved via paracrine factors from the internal tissues of antlers. Methods Enzymatically digested velvet antler peptides (EVAP) were prepared along with other types of antler extracts as the controls. The effects of EVAP on healing of full-thickness skin wounds were evaluated using rats in vivo, and on myofibroblast transdifferentiation tested using transforming growth factor-β1 (TGF-β1)-induced human dermal fibroblasts in vitro. Results EVAP significantly accelerated the wound healing rate, reduced scar formation, and improved the healing quality, including promoted angiogenesis, increased number of skin appendages (hair follicles and sebaceous glands) and improved the distribution pattern of collagen fibers (basket-wave like) in the healed tissue. Moreover, EVAP significantly down-regulated the expression levels of genes pro- scar formation (Col1a2 and TGF-β1), and up-regulated the expression levels of genes anti-scar formation (Col3a1 and TGF-β3), and suppressed the excessive transdifferentiation of myofibroblasts and the formation of collagen I in vivo and in vitro. Furthermore, we found these effects were highly likely achieved by inhibiting the TGF-β signaling pathway, evidenced by decreased expression levels of the related genes, including TGF-β1, Smad2, p-Smad2, α-SMA, and collagen I. Conclusions EVAP may be a promising candidate to be developed as a clinic drug for regenerative wound healing.
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Affiliation(s)
- Guokun Zhang
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences (CAAS), Changchun, China
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, China
- Jilin Academy of Sika Deer Industry, Changchun, China
- Key Laboratory of Antler Biology of Jilin, Changchun, China
| | - Dongxu Wang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, China
- Key Laboratory of Antler Biology of Jilin, Changchun, China
| | - Jing Ren
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, China
- Key Laboratory of Antler Biology of Jilin, Changchun, China
| | - Hongmei Sun
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences (CAAS), Changchun, China
| | - Jiping Li
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, China
- Key Laboratory of Antler Biology of Jilin, Changchun, China
| | - Shengnan Wang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, China
- Key Laboratory of Antler Biology of Jilin, Changchun, China
| | - Liyan Shi
- Department of Pathology, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Zhen Wang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, China
- Key Laboratory of Antler Biology of Jilin, Changchun, China
| | - Mengjie Yao
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences (CAAS), Changchun, China
| | - Haiping Zhao
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Chunyi Li
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, China
- Jilin Academy of Sika Deer Industry, Changchun, China
- Key Laboratory of Antler Biology of Jilin, Changchun, China
- *Correspondence: Chunyi Li
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11
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Villarreal-Leal RA, Healey GD, Corradetti B. Biomimetic immunomodulation strategies for effective tissue repair and restoration. Adv Drug Deliv Rev 2021; 179:113913. [PMID: 34371087 DOI: 10.1016/j.addr.2021.113913] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/21/2021] [Accepted: 07/30/2021] [Indexed: 12/12/2022]
Abstract
Inflammation plays a central role in wound healing following injury or disease and is mediated by a precise cascade of cellular and molecular events. Unresolved inflammatory processes lead to chronic inflammation and fibrosis, which can result in prolonged wound healing lasting months or years that hampers tissue function. Therapeutic interventions mediated by immunomodulatory drugs, cells, or biomaterials, are therefore most effective during the inflammatory phase of wound healing when a pro-regenerative environment is essential. In this review, we discuss the advantages of exploiting knowledge of the native tissue microenvironment to develop therapeutics capable of modulating the immune response and promoting functional tissue repair. In particular, we provide examples of the most recent biomimetic platforms proposed to accomplish this goal, with an emphasis on those able to induce macrophage polarization towards a pro-regenerative phenotype.
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12
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Deciphering the role of cartilage protein 1 in human dermal fibroblasts: a transcriptomic approach. Funct Integr Genomics 2021; 21:503-511. [PMID: 34269961 DOI: 10.1007/s10142-021-00792-x] [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: 03/25/2021] [Revised: 05/23/2021] [Accepted: 06/01/2021] [Indexed: 10/20/2022]
Abstract
Cartilage acidic protein 1A (hCRTAC1-A) is an extracellular matrix protein (ECM) of human hard and soft tissue that is associated with matrix disorders. The central role of fibroblasts in tissue integrity and ECM health made primary human dermal fibroblasts (NHDF) the model for the present study, which aimed to provide new insight into the molecular function of hCRTAC1-A. Specifically, we explored the differential expression patterns of specific genes associated with the presence of hCRTAC1-A by RNA-seq and RT-qPCR analysis. Functional enrichment analysis demonstrated, for the very first time, that hCRTAC1-A is involved in extracellular matrix organization and development, through its regulatory effect on asporin, decorin, and complement activity, in cell proliferation, regeneration, wound healing, and collagen degradation. This work provides a better understanding of putative hCRTAC1-A actions in human fibroblasts and a fundamental insight into its function in tissue biology.
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13
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Chen L, Zhang L, Zhang H, Sun X, Liu D, Zhang J, Zhang Y, Cheng L, Santos HA, Cui W. Programmable immune activating electrospun fibers for skin regeneration. Bioact Mater 2021; 6:3218-3230. [PMID: 33778200 PMCID: PMC7966852 DOI: 10.1016/j.bioactmat.2021.02.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/02/2021] [Accepted: 02/16/2021] [Indexed: 02/07/2023] Open
Abstract
Immune cells play a crucial regulatory role in inflammatory phase and proliferative phase during skin healing. How to programmatically activate sequential immune responses is the key for scarless skin regeneration. In this study, an "Inner-Outer" IL-10-loaded electrospun fiber with cascade release behavior was constructed. During the inflammatory phase, the electrospun fiber released a lower concentration of IL-10 within the wound, inhibiting excessive recruitment of inflammatory cells and polarizing macrophages into anti-inflammatory phenotype "M2c" to suppress excessive inflammation response. During the proliferative phase, a higher concentration of IL-10 released by the fiber and the anti-fibrotic cytokines secreted by polarized "M2c" directly acted on dermal fibroblasts to simultaneously inhibit extracellular matrix overdeposition and promote fibroblast migration. The "Inner-Outer" IL-10-loaded electrospun fiber programmatically activated the sequential immune responses during wound healing and led to scarless skin regeneration, which is a promising immunomodulatory biomaterial with great potential for promoting complete tissue regeneration.
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Affiliation(s)
- Lu Chen
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai 200011, PR China
| | - Liucheng Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai 200011, PR China
| | - Hongbo Zhang
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China.,Department of Pharmaceutical Sciences Laboratory and Turku Center for Biotechnology, Åbo Akademi University, Turku FI-20520, Finland
| | - Xiaoming Sun
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai 200011, PR China
| | - Dan Liu
- National Research Center for Translational Medicine, Ruijin Hospital, Shanghai JiaoTong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Jianming Zhang
- National Research Center for Translational Medicine, Ruijin Hospital, Shanghai JiaoTong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Yuguang Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai 200011, PR China
| | - Liying Cheng
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai 200011, PR China
| | - Hélder A Santos
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki FI-00014, Finland.,Helsinki Institute of Life Science (HiLIFE), University of Helsinki, Helsinki FI-00014, Finland
| | - Wenguo Cui
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
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14
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Zhang C, Yuan TJ, Tan MH, Xu XH, Huang YF, Peng LH. Smart graphene-based hydrogel promotes recruitment and neural-like differentiation of bone marrow derived mesenchymal stem cells in rat skin. Biomater Sci 2021; 9:2146-2161. [PMID: 33496688 DOI: 10.1039/d0bm01963a] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Strategies to direct the differentiation of endogenous bone marrow derived mesenchymal stem cells (BMSCs) in vivo following recruitment to the injured site are critical to realizing the potential of stem cell-based therapies. But the differentiation efficiency of BMSCs remains limited without direction. Here we demonstrated a novel strategy to promote neuronal differentiation of BMSCs using cross-linked polyethylenimine (PEI) grafted graphene oxide (GO) as the enzyme responsive vector for delivering active genes to BMSCs. In vivo, a core-shell microfiber arrayed hydrogel with a chemokine (SDF-1α) and the cross-linked GO-PEI/pDNAs-bFGF microparticles incorporated into the shell and core, respectively, were constructed. The arrayed hydrogel was shown to recruit and stimulate the neural-like differentiation of BMSCs effectively by delivering the CXCL12 and GO-PEI/pDNAs-bFGF in a self-controlled manner. With this strategy, both in vitro and in vivo neuronal differentiation of BMSCs with function were accelerated significantly. The cross-linked GO-PEI mediated gene transfection together with a multi-functional microfiber arrayed hydrogel provide a translatable approach for endogenous stem cell-based regenerative therapy.
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Affiliation(s)
- Chenzhen Zhang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, PR China.
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15
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Catanzano O, Quaglia F, Boateng JS. Wound dressings as growth factor delivery platforms for chronic wound healing. Expert Opin Drug Deliv 2021; 18:737-759. [PMID: 33338386 DOI: 10.1080/17425247.2021.1867096] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Introduction: Years of tissue engineering research have clearly demonstrated the potential of integrating growth factors (GFs) into scaffolds for tissue regeneration, a concept that has recently been applied to wound dressings. The old concept of wound dressings that only take a passive role in wound healing has now been overtaken, and advanced dressings which can take an active part in wound healing, are of current research interest.Areas covered: In this review we will focus on the recent strategies for the delivery of GFs to wound sites with an emphasis on the different approaches used to achieve fine tuning of spatial and temporal concentrations to achieve therapeutic efficacy.Expert opinion: The use of GFs to accelerate wound healing and reduce scar formation is now considered a feasible therapeutic approach in patients with a high risk of infections and complications. The integration of micro - and nanotechnologies into wound dressings could be the key to overcome the inherent instability of GFs and offer adequate control over the release rate. Many investigations have led to encouraging outcomes in various in vitro and in vivo wound models, and it is expected that some of these technologies will satisfy clinical needs and will enter commercialization.
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Affiliation(s)
- Ovidio Catanzano
- Institute for Polymers Composites and Biomaterials (IPCB) - CNR, Pozzuoli, Italy
| | - Fabiana Quaglia
- Drug Delivery Laboratory, Department of Pharmacy, University of Napoli Federico II, Naples, Italy
| | - Joshua S Boateng
- School of Science, Faculty of Engineering and Science, University of Greenwich, Medway, Central Avenue, Chatham Maritime, Kent, UK
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16
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Double membrane based on lidocaine-coated polymyxin-alginate nanoparticles for wound healing: In vitro characterization and in vivo tissue repair. Int J Pharm 2020; 591:120001. [DOI: 10.1016/j.ijpharm.2020.120001] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/15/2020] [Accepted: 10/17/2020] [Indexed: 11/21/2022]
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17
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Theocharis AD, Manou D, Karamanos NK. The extracellular matrix as a multitasking player in disease. FEBS J 2019; 286:2830-2869. [PMID: 30908868 DOI: 10.1111/febs.14818] [Citation(s) in RCA: 228] [Impact Index Per Article: 45.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 02/06/2019] [Accepted: 03/22/2019] [Indexed: 12/12/2022]
Abstract
Extracellular matrices (ECMs) are highly specialized and dynamic three-dimensional (3D) scaffolds into which cells reside in tissues. ECM is composed of a variety of fibrillar components, such as collagens, fibronectin, and elastin, and non-fibrillar molecules as proteoglycans, hyaluronan, and glycoproteins including matricellular proteins. These macromolecular components are interconnected forming complex networks that actively communicate with cells through binding to cell surface receptors and/or matrix effectors. ECMs exert diverse roles, either providing tissues with structural integrity and mechanical properties essential for tissue functions or regulating cell phenotype and functions to maintain tissue homeostasis. ECM molecular composition and structure vary among tissues, and is markedly modified during normal tissue repair as well as during the progression of various diseases. Actually, abnormal ECM remodeling occurring in pathologic circumstances drives disease progression by regulating cell-matrix interactions. The importance of matrix molecules to normal tissue functions is also highlighted by mutations in matrix genes that give rise to genetic disorders with diverse clinical phenotypes. In this review, we present critical and emerging issues related to matrix assembly in tissues and the multitasking roles for ECM in diseases such as osteoarthritis, fibrosis, cancer, and genetic diseases. The mechanisms underlying the various matrix-based diseases are also discussed. Research focused on the highly dynamic 3D ECM networks will help to discover matrix-related causative abnormalities of diseases as well as novel diagnostic tools and therapeutic targets.
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Affiliation(s)
- Achilleas D Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Dimitra Manou
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
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