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Safoine M, Paquette C, Gingras GM, Fradette J. Improving Cutaneous Wound Healing in Diabetic Mice Using Naturally Derived Tissue-Engineered Biological Dressings Produced under Serum-Free Conditions. Stem Cells Int 2024; 2024:3601101. [PMID: 38737365 PMCID: PMC11087150 DOI: 10.1155/2024/3601101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 02/13/2024] [Accepted: 04/23/2024] [Indexed: 05/14/2024] Open
Abstract
Long-term diabetes often leads to chronic wounds refractory to treatment. Cell-based therapies are actively investigated to enhance cutaneous healing. Various cell types are available to produce biological dressings, such as adipose-derived stem/stromal cells (ASCs), an attractive cell source considering their abundancy, accessibility, and therapeutic secretome. In this study, we produced human ASC-based dressings under a serum-free culture system using the self-assembly approach of tissue engineering. The dressings were applied every 4 days to full-thickness 8-mm splinted skin wounds created on the back of polygenic diabetic NONcNZO10/LtJ mice and streptozotocin-induced diabetic K14-H2B-GFP mice. Global wound closure kinetics evaluated macroscopically showed accelerated wound closure in both murine models, especially for NONcNZO10/LtJ; the treated group reaching 98.7% ± 2.3% global closure compared to 76.4% ± 11.8% for the untreated group on day 20 (p=0.0002). Histological analyses revealed that treated wounds exhibited healed skin of better quality with a well-differentiated epidermis and a more organized, homogeneous, and 1.6-fold thicker granulation tissue. Neovascularization, assessed by CD31 labeling, was 2.5-fold higher for the NONcNZO10/LtJ treated wounds. We thus describe the beneficial impact on wound healing of biologically active ASC-based dressings produced under an entirely serum-free production system facilitating clinical translation.
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Vatandoust D, Ahmadi H, Amini A, Mostafavinia A, Fathabady FF, Moradi A, Fridoni M, Hamblin MR, Ebrahimpour-Malekshah R, Chien S, Bayat M. Photobiomodulation preconditioned diabetic adipose derived stem cells with additional photobiomodulation: an additive approach for enhanced wound healing in diabetic rats with a delayed healing wound. Lasers Med Sci 2024; 39:86. [PMID: 38438583 DOI: 10.1007/s10103-024-04034-x] [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: 11/23/2023] [Accepted: 02/23/2024] [Indexed: 03/06/2024]
Abstract
In this preclinical investigation, we examined the effects of combining preconditioned diabetic adipose-derived mesenchymal stem cells (AD-MSCs) and photobiomodulation (PBM) on a model of infected ischemic delayed healing wound (injury), (IIDHWM) in rats with type I diabetes (TIDM). During the stages of wound healing, we examined multiple elements such as stereology, macrophage polarization, and the mRNA expression levels of stromal cell-derived factor (SDF)-1α, vascular endothelial growth factor (VEGF), hypoxia-induced factor 1α (HIF-1α), and basic fibroblast growth factor (bFGF) to evaluate proliferation and inflammation. The rats were grouped into: (1) control group; (2) diabetic-stem cells were transversed into the injury site; (3) diabetic-stem cells were transversed into the injury site then the injury site exposed to PBM; (4) diabetic stem cells were preconditioned with PBM and implanted into the wound; (5) diabetic stem cells were preconditioned with PBM and transferred into the injury site, then the injury site exposed additional PBM. While on both days 4, and 8, there were advanced histological consequences in groups 2-5 than in group 1, we found better results in groups 3-5 than in group 2 (p < 0.05). M1 macrophages in groups 2-5 were lower than in group 1, while groups 3-5 were reduced than in group 2 (p < 0.01). M2 macrophages in groups 2-5 were greater than in group 1, and groups 3-5 were greater than in group 2. (p ≤ 0.001). Groups 2-5 revealed greater expression levels of bFGF, VEGF, SDF- 1α, and HIF- 1α genes than in group 1 (p < 0.001). Overall group 5 had the best results for histology (p < 0.05), and macrophage polarization (p < 0.001). AD-MSC, PBM, and AD-MSC + PBM treatments all enhanced the proliferative stage of injury repairing in the IIDHWM in TIDM rats. While AD-MSC + PBM was well than the single use of AD-MSC or PBM, the best results were achieved with PBM preconditioned AD-MSC, plus additional PBM of the injury.
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Affiliation(s)
- Dorsa Vatandoust
- Student Research Committee at Shahid Beheshti University of Medical Sciences (SBMU) in, Tehran, Iran
| | - Houssein Ahmadi
- Department of Biology and Anatomical Sciences at Shahid Beheshti University of Medical Sciences, Arabi Ave, Iran
| | - Abdollah Amini
- Department of Biology and Anatomical Sciences at Shahid Beheshti University of Medical Sciences, Arabi Ave, Iran.
| | - Atarodalsadat Mostafavinia
- Department of Anatomical Sciences and Cognitive Neuroscience at the Faculty of Medicine, Tehran Medical Sciences, Islamic Aza University in Tehran, Tehran, Iran
| | - Fatemeh Fadaei Fathabady
- Student Research Committee at Shahid Beheshti University of Medical Sciences (SBMU) in, Tehran, Iran
| | - Ali Moradi
- Department of Biology and Anatomical Sciences at Shahid Beheshti University of Medical Sciences, Arabi Ave, Iran
| | - Mohammadjavad Fridoni
- Department of Biology and Anatomical Sciences, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Michael R Hamblin
- Laser Research Centre at the Faculty of Health Science, University of Johannesburg in Doornfontein 2028, Johannesburg, South Africa
| | | | - Sufan Chien
- Price Institute of Surgical Research at the University of Louisville and Noveratech LLC of Louisville in Louisville, KY, USA.
| | - Mohammad Bayat
- Price Institute of Surgical Research at the University of Louisville and Noveratech LLC of Louisville in Louisville, KY, USA.
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Keshavarz R, Olsen S, Almeida B. Using biomaterials to improve mesenchymal stem cell therapies for chronic, nonhealing wounds. Bioeng Transl Med 2024; 9:e10598. [PMID: 38193114 PMCID: PMC10771568 DOI: 10.1002/btm2.10598] [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: 05/18/2023] [Revised: 08/15/2023] [Accepted: 08/22/2023] [Indexed: 01/10/2024] Open
Abstract
Historically, treatment of chronic, nonhealing wounds has focused on managing symptoms using biomaterial-based wound dressings, which do not adequately address the underlying clinical issue. Mesenchymal stem cells (MSCs) are a promising cell-based therapy for the treatment of chronic, nonhealing wounds, yet inherent cellular heterogeneity and susceptibility to death during injection limit their clinical use. Recently, researchers have begun to explore the synergistic effects of combined MSC-biomaterial therapies, where the biomaterial serves as a scaffold to protect the MSCs and provides physiologically relevant physicochemical cues that can direct MSC immunomodulatory behavior. In this review, we highlight recent progress in this field with a focus on the most commonly used biomaterials, classified based on their source, including natural biomaterials, synthetic biomaterials, and the combination of natural and synthetic biomaterials. We also discuss current challenges regarding the clinical translation of these therapies, as well as a perspective on the future outlook of the field.
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Affiliation(s)
- Romina Keshavarz
- Department of Chemical and Biomolecular EngineeringClarkson UniversityPotsdamNew YorkUSA
| | - Sara Olsen
- Department of Chemical and Biomolecular EngineeringClarkson UniversityPotsdamNew YorkUSA
| | - Bethany Almeida
- Department of Chemical and Biomolecular EngineeringClarkson UniversityPotsdamNew YorkUSA
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Liang W, Ni N, Huang Y, Lin C. An Advanced Review: Polyurethane-Related Dressings for Skin Wound Repair. Polymers (Basel) 2023; 15:4301. [PMID: 37959982 PMCID: PMC10649939 DOI: 10.3390/polym15214301] [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: 09/21/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
The inability of wounds to heal effectively through normal repair has become a burden that seriously affects socio-economic development and human health. The therapy of acute and chronic skin wounds still poses great clinical difficulty due to the lack of suitable functional wound dressings. It has been found that dressings made of polyurethane exhibit excellent and diverse biological properties, but lack the functionality of clinical needs, and most dressings are unable to dynamically adapt to microenvironmental changes during the healing process at different stages of chronic wounds. Therefore, the development of multifunctional polyurethane composite materials has become a hot topic of research. This review describes the changes in physicochemical and biological properties caused by the incorporation of different polymers and fillers into polyurethane dressings and describes their applications in wound repair and regeneration. We listed several polymers, mainly including natural-based polymers (e.g., collagen, chitosan, and hyaluronic acid), synthetic-based polymers (e.g., polyethylene glycol, polyvinyl alcohol, and polyacrylamide), and some other active ingredients (e.g., LL37 peptide, platelet lysate, and exosomes). In addition to an introduction to the design and application of polyurethane-related dressings, we discuss the conversion and use of advanced functional dressings for applications, as well as future directions for development, providing reference for the development and new applications of novel polyurethane dressings.
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Affiliation(s)
| | | | | | - Changmin Lin
- Department of Histology and Embryology, Shantou University Medical College, Shantou 515041, China; (W.L.); (N.N.); (Y.H.)
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Lin YH, Liu EW, Lin YJ, Ng HY, Lee JJ, Hsu TT. The Synergistic Effect of Electrical Stimulation and Dermal Fibroblast Cells-Laden 3D Conductive Hydrogel for Full-Thickness Wound Healing. Int J Mol Sci 2023; 24:11698. [PMID: 37511457 PMCID: PMC10380226 DOI: 10.3390/ijms241411698] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/15/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Clinically, most patients with poor wound healing suffer from generalized skin damage, usually accompanied by other complications, so developing therapeutic strategies for difficult wound healing has remained extremely challenging until now. Current studies have indicated that electrical stimulation (ES) to cutaneous lesions enhances skin regeneration by activating intracellular signaling cascades and secreting skin regeneration-related cytokine. In this study, we designed different concentrations of graphene in gelatin-methacrylate (GelMa) to form the conductive composite commonly used in wound healing because of its efficiency compared to other conductive thermo-elastic materials. The results demonstrated the successful addition of graphene to GelMa while retaining the original physicochemical properties of the GelMa bioink. In addition, the incorporation of graphene increased the interactions between these two biomaterials, leading to an increase in mechanical properties, improvement in the swelling ratio, and the regulation of degradation characteristics of the biocomposite scaffolds. Moreover, the scaffolds exhibited excellent electrical conductivity, increasing proliferation and wound healing-related growth factor secretion from human dermal fibroblasts. Overall, the HDF-laden 3D electroconductive GelMa/graphene-based hydrogels developed in this study are ideal biomaterials for skin regeneration applications in the future.
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Affiliation(s)
- Yen-Hong Lin
- x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung City 404332, Taiwan
| | - En-Wei Liu
- Department of Plastic and Reconstructive Surgery, China Medical University Hospital, Taichung City 404332, Taiwan
| | - Yun-Jhen Lin
- School of Medicine, China Medical University, Taichung City 406040, Taiwan
| | - Hooi Yee Ng
- Department of Family Medicine, China Medical University Hospital, Taichung City 404332, Taiwan
| | - Jian-Jr Lee
- Department of Plastic and Reconstructive Surgery, China Medical University Hospital, Taichung City 404332, Taiwan
- School of Medicine, China Medical University, Taichung City 406040, Taiwan
| | - Tuan-Ti Hsu
- x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung City 404332, Taiwan
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Wang ZL, Zhang WQ, Jiang YL, Chen AJ, Pi JK, Hu JG, Zhang Y, Yang XJ, Huang FG, Xie HQ. Bioactive ECM-Loaded SIS Generated by the Optimized Decellularization Process Exhibits Skin Wound Healing Ability in Type I Diabetic Rats. ACS Biomater Sci Eng 2023; 9:1496-1509. [PMID: 36815316 DOI: 10.1021/acsbiomaterials.2c01110] [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: 02/24/2023]
Abstract
Patients with diabetes have 15-25% chance for developing diabetic ulcers as a severe complication and formidable challenge for clinicians. Conventional treatment for diabetic ulcers is to surgically remove the necrotic skin, clean the wound, and cover it with skin flaps. However, skin flap often has a limited efficacy, and its acquisition requires a second surgery, which may bring additional risk for the patient. Skin tissue engineering has brought a new solution for diabetic ulcers. Herein, we have developed a bioactive patch through a compound culture and the optimized decellularization strategy. The patch was prepared from porcine small intestinal submucosa (SIS) and modified by an extracellular matrix (ECM) derived from urine-derived stem cells (USCs), which have low immunogenicity while retaining cytokines for angiogenesis and tissue regeneration. The protocol included the optimization of the decellularization time and the establishment of the methods. Furthermore, the in vitro mechanism of wound healing ability of the patch was investigated, and its feasibility for skin wound healing was assessed through an antishrinkage full-thickness skin defect model in type I diabetic rats. As shown, the patch displayed comparable effectiveness to the USCs-loaded SIS. Our findings suggested that this optimized decellularization protocol may provide a strategy for cell-loaded scaffolds that require the removal of cellular material while retaining sufficient bioactive components in the ECM for further applications.
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Affiliation(s)
- Zhu-Le Wang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Wen-Qian Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yan-Lin Jiang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - An-Jing Chen
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jin-Kui Pi
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jun-Gen Hu
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yi Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xi-Jing Yang
- Animal Experimental Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Fu-Guo Huang
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Hui-Qi Xie
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
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Chen YS, Ng HY, Chen YW, Cho DY, Ho CC, Chen CY, Chiu SC, Jhong YR, Shie MY. Additive manufacturing of Schwann cell-laden collagen/alginate nerve guidance conduits by freeform reversible embedding regulate neurogenesis via exosomes secretion towards peripheral nerve regeneration. BIOMATERIALS ADVANCES 2023; 146:213276. [PMID: 36640522 DOI: 10.1016/j.bioadv.2022.213276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 12/09/2022] [Accepted: 12/29/2022] [Indexed: 01/02/2023]
Abstract
Peripheral nerve injury is a common clinical problem that could be debilitating to one's quality of life. The complex nerve guidance conduits (NGCs) with cells in order to improve nerve regeneration. Therefore, we used freeform reversible embedding of suspended hydrogels to fabricate Schwann cells (SCs)-laden collagen/alginate (Col/Alg) NGCs. First, we evaluated Col influence on the characteristics of NGCs. After which, Wharton's jelly mesenchymal stem cells (WJMSC) are seeded onto the inner channel of NGCs and evaluated neural regeneration behaviors. Results indicated the SCs-laden NGCs with 2.5 % Col found the highest proliferation and secretion of neurotrophic protein. Furthermore, co-culture of SCs promoted differentiation of WJMSC as seen from the increased neurogenic-related protein in NGCs. To determine the molecular mechanism between SCs and WJMSC, we demonstrated the neurotrophic factors secreted by SCs act on tropomyosin receptor kinase A (TrkA) receptors of WJMSC to promote nerve regeneration. In addition, our study demonstrated SCs-derived exosomes had a critical role in regulating neural differentiation of WJMSC. Taken together, this study demonstrates the fabrication of SCs-laden Col/Alg NGCs for nerve regeneration and understanding regarding the synergistic regenerative mechanisms of different cells could bring us a step closer for clinical treatment of large nerve defects.
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Affiliation(s)
- Yueh-Sheng Chen
- School of Chinese Medicine, China Medical University, Taichung 40447, Taiwan; Department of Bioinformatics and Medical Engineering, Asia University, Taichung City 41354, Taiwan
| | - Hooi Yee Ng
- Department of Education, China Medical University Hospital, Taichung 404332, Taiwan
| | - Yi-Wen Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City 406040, Taiwan; x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung City 404332, Taiwan
| | - Der-Yang Cho
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City 406040, Taiwan; Department of Neurosurgery, China Medical University Hospital, Taichung, Taiwan; Translational Cell Therapy Center, China Medical University Hospital, Taichung, Taiwan
| | - Chia-Che Ho
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung City 41354, Taiwan; High Performance Materials Institute for x-Dimensional Printing, Asia University, Taichung City 41354, Taiwan
| | - Cheng-Yu Chen
- x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung City 404332, Taiwan
| | - Shao-Chih Chiu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City 406040, Taiwan; Translational Cell Therapy Center, China Medical University Hospital, Taichung, Taiwan
| | - Yi-Rong Jhong
- x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung City 404332, Taiwan
| | - Ming-You Shie
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung City 41354, Taiwan; x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung City 404332, Taiwan; School of Dentistry, China Medical University, Taichung City 406040, Taiwan.
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Modulation of Macrophage Function by Bioactive Wound Dressings with an Emphasis on Extracellular Matrix-Based Scaffolds and Nanofibrous Composites. Pharmaceutics 2023; 15:pharmaceutics15030794. [PMID: 36986655 PMCID: PMC10053223 DOI: 10.3390/pharmaceutics15030794] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/18/2023] [Accepted: 02/23/2023] [Indexed: 03/04/2023] Open
Abstract
Bioactive wound dressings that are capable of regulating the local wound microenvironment have attracted a very large interest in the field of regenerative medicine. Macrophages have many critical roles in normal wound healing, and the dysfunction of macrophages significantly contributes to impaired or non-healing skin wounds. Regulation of macrophage polarization towards an M2 phenotype provides a feasible strategy to enhance chronic wound healing, mainly by promoting the transition of chronic inflammation to the proliferation phase of wound healing, upregulating the level of anti-inflammatory cytokines around the wound area, and stimulating wound angiogenesis and re-epithelialization. Based on this, modulation of macrophage functions by the rational design of bioactive scaffolds has emerged as a promising way to accelerate delayed wound healing. This review outlines current strategies to regulate the response of macrophages using bioactive materials, with an emphasis on extracellular matrix-based scaffolds and nanofibrous composites.
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