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Lyu X, Wu H, Xu M, Chen Y, Liu Z, Zhang M, Tian T, Lin Y, Li S, Cai X. A Bioswitchable MiRNA Delivery System: Tetrahedral Framework DNA-Based miRNA Delivery System for Applications in Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2024; 16:33192-33204. [PMID: 38885077 DOI: 10.1021/acsami.4c06460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
The human body's primary line of defense, the skin, is especially prone to harm. Although microRNA (miRNA)-based therapies have attracted increasing attention for skin wound healing, their applications remain limited owing to a range of issues. Tetrahedral framework DNA (tFNA), a nanomaterial possessing nucleic acid characteristics, exhibits an excellent biocompatibility, in addition to anti-inflammatory and transdermal delivery capabilities, and can accelerate skin wound healing. Due to its potential to exert synergistic action with therapeutic miRNA, tFNA has been considered an ideal vehicle for miRNA therapy. The design and synthesis of a bioswitchable miRNA delivery system (BiRDS) is reported, which contains three miRNAs as well as a nucleic acid core to maximize the loading capacity while preserving the characteristics of tFNA. A high stability, excellent permeability of cells as well as tissues and good biological compatibility are demonstrated. By selectively inhibiting heparin-binding epidermal growth factor (HB-EGF), the BiRDS can inhibit the NF-κB pathway while simultaneously controlling the PTEN/Akt pathway. As a result, the BiRDS helps wound healing go through the inflammation to the proliferative phase. This study demonstrates the advantages of the BiRDS in miRNA-based therapy and provides new research ideas for the treatment of skin-related diseases.
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Affiliation(s)
- Xiaoying Lyu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Haoyan Wu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Mengzhuo Xu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Ye Chen
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zhiqiang Liu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Mei Zhang
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Taoran Tian
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yunfeng Lin
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- Sichuan Provincial Engineering Research Center of Oral Biomaterials, Chengdu, Sichuan 610041, China
- National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Songhang Li
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xiaoxiao Cai
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- Sichuan Provincial Engineering Research Center of Oral Biomaterials, Chengdu, Sichuan 610041, China
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2
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Qin B, Peng Q, Dong H, Lei L, Wu S. Non-coding RNAs in diabetic foot ulcer- a focus on infected wounds. Diabetes Metab Res Rev 2024; 40:e3740. [PMID: 37839046 DOI: 10.1002/dmrr.3740] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 07/19/2023] [Accepted: 09/25/2023] [Indexed: 10/17/2023]
Abstract
Diabetes mellitus is associated with a wide range of neuropathies, vasculopathies, and immunopathies, resulting in many complications. More than 30% of diabetic patients risk developing diabetic foot ulcers (DFUs). Non-coding RNAs (ncRNAs), including microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), play essential roles in various biological functions in the hyperglycaemic environment that determines the development of DFU. Ulceration results in tissue breakdown and skin barrier scavenging, thereby facilitating bacterial infection and biofilm formation. Many bacteria contribute to diabetic foot infection (DFI), including Staphylococcus aureus (S. aureus) et al. A heterogeneous group of "ncRNAs," termed small RNAs (sRNAs), powerfully regulates biofilm formation and DFI healing. Multidisciplinary foot care interventions have been identified for nonhealing ulcers. With an appreciation of the link between disease processes and ncRNAs, a novel therapeutic model of bioactive materials loaded with ncRNAs has been developed to prevent and manage diabetic foot complications.
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Affiliation(s)
- Boquan Qin
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Qi Peng
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Hongxian Dong
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Lei Lei
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shizhou Wu
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
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3
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Anuradha U, Mehra NK, Khatri DK. Understanding molecular mechanisms and miRNA-based targets in diabetes foot ulcers. Mol Biol Rep 2024; 51:82. [PMID: 38183502 DOI: 10.1007/s11033-023-09074-0] [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: 07/10/2023] [Accepted: 11/21/2023] [Indexed: 01/08/2024]
Abstract
In today's culture, obesity and overweight are serious issues that have an impact on how quickly diabetes develops and how it causes complications. For the development of more effective therapies, it is crucial to understand the molecular mechanisms underlying the chronic problems of diabetes. The most prominent effects of diabetes are microvascular abnormalities such as retinopathy, nephropathy, and neuropathy, especially diabetes foot ulcers, as well as macrovascular abnormalities such as heart disease and atherosclerosis. MicroRNAs (miRNAs), which are highly conserved endogenous short non-coding RNA molecules, have been implicated in several physiological functions recently, including the earliest stages of the disease. By binding to particular messenger RNAs (mRNAs), which cause mRNA degradation, translation inhibition, or even gene activation, it primarily regulates posttranscriptional gene expression. These molecules exhibit considerable potential as diagnostic biomarkers for disease and are interesting treatment targets. This review will provide an overview of the latest findings on the key functions that miRNAs role in diabetes and its complications, with an emphasis on the various stages of diabetic wound healing.
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Affiliation(s)
- Urati Anuradha
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Hyderabad, Telangana, 500037, India
| | - Neelesh Kumar Mehra
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Hyderabad, Telangana , 500037, India.
| | - Dharmendra Kumar Khatri
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Hyderabad, Telangana, 500037, India.
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4
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Fani N, Moradi M, Zavari R, Parvizpour F, Soltani A, Arabpour Z, Jafarian A. Current Advances in Wound Healing and Regenerative Medicine. Curr Stem Cell Res Ther 2024; 19:277-291. [PMID: 36856176 DOI: 10.2174/1574888x18666230301140659] [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: 09/17/2022] [Revised: 01/07/2023] [Accepted: 01/11/2023] [Indexed: 03/02/2023]
Abstract
Treating chronic wounds is a common and costly challenge worldwide. More advanced treatments are needed to improve wound healing and prevent severe complications such as infection and amputation. Like other medical fields, there have been advances in new technologies promoting wound healing potential. Regenerative medicine as a new method has aroused hope in treating chronic wounds. The technology improving wound healing includes using customizable matrices based on synthetic and natural polymers, different types of autologous and allogeneic cells at different differentiation phases, small molecules, peptides, and proteins as a growth factor, RNA interference, and gene therapy. In the last decade, various types of wound dressings have been designed. Emerging dressings include a variety of interactive/ bioactive dressings and tissue-engineering skin options. However, there is still no suitable and effective dressing to treat all chronic wounds. This article reviews different wounds and common treatments, advanced technologies and wound dressings, the advanced wound care market, and some interactive/bioactive wound dressings in the market.
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Affiliation(s)
- Nesa Fani
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Maryam Moradi
- MD-MPH Iran University of Medical Sciences, Tehran, Iran
| | - Roxana Zavari
- Iranian Tissue Bank & Research Center, Gene, Cell & Tissue Institute; Tehran University of Medical Sciences, Tehran, Iran
| | - Farzad Parvizpour
- Iranian Tissue Bank & Research Center, Gene, Cell & Tissue Institute; Tehran University of Medical Sciences, Tehran, Iran
- Department of Molecular Medicine, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Adele Soltani
- CinnaGen Medical Biotechnology Research Center, Alborz University of Medical Sciences, Karaj, Iran
- CinnaGen Research and Production Co., Alborz, Iran
| | - Zohreh Arabpour
- Iranian Tissue Bank & Research Center, Gene, Cell & Tissue Institute; Tehran University of Medical Sciences, Tehran, Iran
| | - Arefeh Jafarian
- Iranian Tissue Bank & Research Center, Gene, Cell & Tissue Institute; Tehran University of Medical Sciences, Tehran, Iran
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Xu Y, Xu J, Chen S, Zhou A, Huang G, Huang S, Yu D, Wu B. Identifying potential pathogenesis and immune infiltration in diabetic foot ulcers using bioinformatics and in vitro analyses. BMC Med Genomics 2023; 16:313. [PMID: 38041124 PMCID: PMC10693102 DOI: 10.1186/s12920-023-01741-2] [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: 06/05/2023] [Accepted: 11/15/2023] [Indexed: 12/03/2023] Open
Abstract
BACKGROUND Diabetic foot ulcers (DFU) are among the fastest-growing diseases worldwide. Recent evidence has emphasized the critical role of microRNA (miRNA)-mRNA networks in various chronic wounds, including DFU. In this study, we aimed to clarify the miRNA-mRNA axes associated with the occurrence of DFU. METHODS Expression profiles of miRNAs and mRNAs were extracted from the Gene Expression Omnibus. Differentially expressed genes and differentially expressed miRNAs were identified, and miRNA-mRNA regulatory axes were constructed through integrated bioinformatics analyses. We validated the miRNA-mRNA axes using quantitative real-time PCR (qPCR) and dual-luciferase reporter assays. We conducted an immune infiltration analysis and confirmed the bioinformatics results using immunofluorescence staining. Single-sample gene set enrichment analysis (ssGSEA) was used to analyze the metabolic mechanisms. RESULTS miR-182-5p-CHL1/MITF and miR-338-3p-NOVA1 interactions were identified using in silico analysis. The qPCR results showed apparent dysregulation of these miRNA-mRNA axes in DFU. The dual-luciferase reporter assay confirmed that miR-182-5p targeted CHL1 and MITF, and miR-338-3p targeted NOVA1. We conducted an immune infiltration analysis and observed that key genes correlated with decreased infiltration of M1 macrophages and resting mast cells in DFU. Immunofluorescence staining verified the co-localization of CHL1 and tryptase, while MITF and CD68 showed weak positive correlations. Metabolic pathways related to these three genes were identified using ssGSEA. CONCLUSIONS In summary, the miR-182-5p-CHL1/MITF and miR-338-3p-NOVA1 pathway interactions and decreased infiltration of M1 macrophages and resting mast cells may provide novel clues to the pathogenesis of DFU. TRIAL REGISTRATION The clinical trial included in this study was registered in the Chinese Clinical Trial Registry ( ChiCTR2200066660 ) on December 13, 2022.
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Affiliation(s)
- Yuanyuan Xu
- Graduate School, Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
- Department of Endocrinology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Jianchang Xu
- The First Clinical College of Wuhan University, Wuhan, 430000, China
| | - Sirong Chen
- Graduate School, Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
- Department of Endocrinology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Anbang Zhou
- Graduate School, Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
- Department of Endocrinology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Guangjing Huang
- Graduate School, Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
- Department of Endocrinology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Shidao Huang
- Graduate School, Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
- Department of Orthopedics, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Dianbo Yu
- Graduate School, Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
- Department of Orthopedics, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Biaoliang Wu
- Department of Endocrinology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China.
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Ye H, Wang F, Xu G, Shu F, Fan K, Wang D. Advancements in engineered exosomes for wound repair: current research and future perspectives. Front Bioeng Biotechnol 2023; 11:1301362. [PMID: 38033824 PMCID: PMC10682480 DOI: 10.3389/fbioe.2023.1301362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 11/01/2023] [Indexed: 12/02/2023] Open
Abstract
Wound healing is a complex and prolonged process that remains a significant challenge in clinical practice. Exosomes, a type of nanoscale extracellular vesicles naturally secreted by cells, are endowed with numerous advantageous attributes, including superior biocompatibility, minimal toxicity, and non-specific immunogenicity. These properties render them an exceptionally promising candidate for bioengineering applications. Recent advances have illustrated the potential of exosome therapy in promoting tissue repair. To further augment their therapeutic efficacy, the concept of engineered exosomes has been proposed. These are designed and functionally modifiable exosomes that have been tailored on the attributes of natural exosomes. This comprehensive review delineates various strategies for exosome engineering, placing specific emphasis on studies exploring the application of engineered exosomes for precision therapy in wound healing. Furthermore, this review sheds light on strategies for integrating exosomes with biomaterials to enhance delivery effectiveness. The insights presented herein provide novel perspectives and lay a robust foundation for forthcoming research in the realm of cutaneous wound repair therapies.
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Affiliation(s)
- Hailian Ye
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
- The Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, Guizhou, China
| | - Feng Wang
- Department of Burn and Plastic Surgery, Department of Wound Repair, Shenzhen Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, Guangdong, China
| | - Guangchao Xu
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
- The Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, Guizhou, China
| | - Feihong Shu
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
- The Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, Guizhou, China
| | - Kunwu Fan
- Department of Burn and Plastic Surgery, Department of Wound Repair, Shenzhen Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, Guangdong, China
| | - Dali Wang
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
- The Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, Guizhou, China
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7
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Ge L, Wang K, Lin H, Tao E, Xia W, Wang F, Mao C, Feng Y. Engineered exosomes derived from miR-132-overexpresssing adipose stem cells promoted diabetic wound healing and skin reconstruction. Front Bioeng Biotechnol 2023; 11:1129538. [PMID: 36937759 PMCID: PMC10014603 DOI: 10.3389/fbioe.2023.1129538] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/20/2023] [Indexed: 03/04/2023] Open
Abstract
The tissue reconstruction of diabetic wounds mainly depends on the proliferation and remodelling of cutaneous cells around wounds and the transplantation of random skin flaps, however, the proliferation of cells or survival of skin flaps are difficult due to the severe inflammation and other problems caused by diabetes. The stem cell-derived exosomes loaded with miRNA can be an effective therapeutic strategy for promoting diabetic wound healing. Therefore, in this study, the engineered exosomes derived from miR-132-overexpressing adipose stem cells (miR-132-exo) was obtained for promoting the healing of diabetic wounds and skin flaps. In vitro, the miR-132-exo promoted the proliferation and migration of human umbilical vein endothelial cells (HUVECs). In vivo, streptozotocin (STZ) induced diabetic mice were used to create full-thickness skin wounds and random skin flaps to further investigate the healing effect of miR-132-exo. The results showed miR-132-exo evidently enhanced the survival of skin flaps and promote diabetic wound healing, through reducing local inflammation, promoting angiogenesis and stimulating M2-macrophages polarization mediated by NF-κB signaling pathway. These novel findings demonstrated that engineered miR-132-exo can be a potent therapeutic for treating diabetic wounds and inflammatory-related disease.
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Affiliation(s)
- Lifeng Ge
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Kangyan Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Hang Lin
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Endong Tao
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Weijie Xia
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Fulin Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Cong Mao
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Yongzeng Feng, ; Cong Mao,
| | - Yongzeng Feng
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Yongzeng Feng, ; Cong Mao,
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Deka Dey A, Yousefiasl S, Kumar A, Dabbagh Moghaddam F, Rahimmanesh I, Samandari M, Jamwal S, Maleki A, Mohammadi A, Rabiee N, Cláudia Paiva‐Santos A, Tamayol A, Sharifi E, Makvandi P. miRNA-encapsulated abiotic materials and biovectors for cutaneous and oral wound healing: Biogenesis, mechanisms, and delivery nanocarriers. Bioeng Transl Med 2023; 8:e10343. [PMID: 36684081 PMCID: PMC9842058 DOI: 10.1002/btm2.10343] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/21/2022] [Accepted: 04/23/2022] [Indexed: 01/25/2023] Open
Abstract
MicroRNAs (miRNAs) as therapeutic agents have attracted increasing interest in the past decade owing to their significant effectiveness in treating a wide array of ailments. These polymerases II-derived noncoding RNAs act through post-transcriptional controlling of different proteins and their allied pathways. Like other areas of medicine, researchers have utilized miRNAs for managing acute and chronic wounds. The increase in the number of patients suffering from either under-healing or over-healing wound demonstrates the limited efficacy of the current wound healing strategies and dictates the demands for simpler approaches with greater efficacy. Various miRNA can be designed to induce pathway beneficial for wound healing. However, the proper design of miRNA and its delivery system for wound healing applications are still challenging due to their limited stability and intracellular delivery. Therefore, new miRNAs are required to be identified and their delivery strategy needs to be optimized. In this review, we discuss the diverse roles of miRNAs in various stages of wound healing and provide an insight on the most recent findings in the nanotechnology and biomaterials field, which might offer opportunities for the development of new strategies for this chronic condition. We also highlight the advances in biomaterials and delivery systems, emphasizing their challenges and resolutions for miRNA-based wound healing. We further review various biovectors (e.g., adenovirus and lentivirus) and abiotic materials such as organic and inorganic nanomaterials, along with dendrimers and scaffolds, as the delivery systems for miRNA-based wound healing. Finally, challenges and opportunities for translation of miRNA-based strategies into clinical applications are discussed.
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Affiliation(s)
| | - Satar Yousefiasl
- School of DentistryHamadan University of Medical SciencesHamadanIran
| | - Arun Kumar
- Chitkara College of PharmacyChitkara UniversityPunjabIndia
| | - Farnaz Dabbagh Moghaddam
- Department of Biology, Science and Research BranchIslamic Azad UniversityTehranIran
- Institute for Photonics and Nanotechnologies, National Research Council, Via Fosso del Cavaliere, 100RomeItaly
| | - Ilnaz Rahimmanesh
- Applied Physiology Research CenterCardiovascular Research Institute, Isfahan University of Medical SciencesIsfahanIran
| | | | - Sumit Jamwal
- Department of Psychiatry, Yale School of MedicineYale UniversityNew HavenConnecticutUSA
| | - Aziz Maleki
- Department of Pharmaceutical Nanotechnology, School of PharmacyZanjan University of Medical SciencesZanjanIran
- Zanjan Pharmaceutical Nanotechnology Research Center (ZPNRC)Zanjan University of Medical SciencesZanjanIran
- Cancer Research CentreShahid Beheshti University of Medical SciencesTehranIran
| | | | - Navid Rabiee
- Department of PhysicsSharif University of TechnologyTehranIran
- School of EngineeringMacquarie UniversitySydneyNew South WalesAustralia
| | - Ana Cláudia Paiva‐Santos
- Department of Pharmaceutical TechnologyFaculty of Pharmacy of the University of Coimbra, University of CoimbraCoimbraPortugal
- LAQV, REQUIMTE, Department of Pharmaceutical TechnologyFaculty of Pharmacy of the University of Coimbra, University of CoimbraCoimbraPortugal
| | - Ali Tamayol
- Department of Biomedical EngineeringUniversity of ConnecticutFarmingtonConnecticutUSA
| | - Esmaeel Sharifi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and TechnologiesHamadan University of Medical SciencesHamadanIran
| | - Pooyan Makvandi
- Istituto Italiano di Tecnologia, Centre for Materials InterfacesPontederaItaly
- School of Chemistry, Damghan UniversityDamghanIran
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9
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Lin S, Wang Q, Huang X, Feng J, Wang Y, Shao T, Deng X, Cao Y, Chen X, Zhou M, Zhao C. Wounds under diabetic milieu: The role of immune cellar components and signaling pathways. Biomed Pharmacother 2023; 157:114052. [PMID: 36462313 DOI: 10.1016/j.biopha.2022.114052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/19/2022] [Accepted: 11/25/2022] [Indexed: 12/05/2022] Open
Abstract
A major challenge in the field of diabetic wound healing is to confirm the body's intrinsic mechanism that could sense the immune system damage promptly and protect the wound from non-healing. Accumulating literature indicates that macrophage, a contributor to prolonged inflammation occurring at the wound site, might play such a role in hindering wound healing. Likewise, other immune cell dysfunctions, such as persistent neutrophils and T cell infection, may also lead to persistent oxidative stress and inflammatory reaction during diabetic wound healing. In this article, we discuss recent advances in the immune cellular components in wounds under the diabetic milieu, and the role of key signaling mechanisms that compromise the function of immune cells leading to persistent wound non-healing.
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Affiliation(s)
- Siyuan Lin
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China; Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qixue Wang
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China; Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiaoting Huang
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Jiawei Feng
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Yuqing Wang
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Tengteng Shao
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Xiaofei Deng
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Yemin Cao
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Xinghua Chen
- Jinshan Hospital Affiliated to Fudan University, Shanghai, China.
| | - Mingmei Zhou
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China; Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Cheng Zhao
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China.
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10
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Angileri KM, Bagia NA, Feschotte C. Transposon control as a checkpoint for tissue regeneration. Development 2022; 149:dev191957. [PMID: 36440631 PMCID: PMC10655923 DOI: 10.1242/dev.191957] [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: 03/11/2022] [Accepted: 10/03/2022] [Indexed: 11/29/2022]
Abstract
Tissue regeneration requires precise temporal control of cellular processes such as inflammatory signaling, chromatin remodeling and proliferation. The combination of these processes forms a unique microenvironment permissive to the expression, and potential mobilization of, transposable elements (TEs). Here, we develop the hypothesis that TE activation creates a barrier to tissue repair that must be overcome to achieve successful regeneration. We discuss how uncontrolled TE activity may impede tissue restoration and review mechanisms by which TE activity may be controlled during regeneration. We posit that the diversification and co-evolution of TEs and host control mechanisms may contribute to the wide variation in regenerative competency across tissues and species.
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Affiliation(s)
- Krista M. Angileri
- Department of Molecular Biology and Genetics, Cornell University, 526 Campus Rd, Ithaca, NY 14850, USA
| | - Nornubari A. Bagia
- Department of Molecular Biology and Genetics, Cornell University, 526 Campus Rd, Ithaca, NY 14850, USA
| | - Cedric Feschotte
- Department of Molecular Biology and Genetics, Cornell University, 526 Campus Rd, Ithaca, NY 14850, USA
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11
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Lin CW, Hung CM, Chen WJ, Chen JC, Huang WY, Lu CS, Kuo ML, Chen SG. New Horizons of Macrophage Immunomodulation in the Healing of Diabetic Foot Ulcers. Pharmaceutics 2022; 14:pharmaceutics14102065. [PMID: 36297499 PMCID: PMC9606988 DOI: 10.3390/pharmaceutics14102065] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/22/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Abstract
Diabetic foot ulcers (DFUs) are one of the most costly and troublesome complications of diabetes mellitus. The wound chronicity of DFUs remains the main challenge in the current and future treatment of this condition. Persistent inflammation results in chronic wounds characterized by dysregulation of immune cells, such as M1 macrophages, and impairs the polarization of M2 macrophages and the subsequent healing process of DFUs. The interactive regulation of M1 and M2 macrophages during DFU healing is critical and seems manageable. This review details how cytokines and signalling pathways are co-ordinately regulated to control the functions of M1 and M2 macrophages in normal wound repair. DFUs are defective in the M1-to-M2 transition, which halts the whole wound-healing machinery. Many pre-clinical and clinical innovative approaches, including the application of topical insulin, CCL chemokines, micro RNAs, stem cells, stem-cell-derived exosomes, skin substitutes, antioxidants, and the most recent Phase III-approved ON101 topical cream, have been shown to modulate the activity of M1 and M2 macrophages in DFUs. ON101, the newest clinically approved product in this setting, is designed specifically to down-regulate M1 macrophages and further modulate the wound microenvironment to favour M2 emergence and expansion. Finally, the recent evolution of macrophage modulation therapies and techniques will improve the effectiveness of the treatment of diverse DFUs.
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Affiliation(s)
| | | | | | | | | | | | - Ming-Liang Kuo
- Microbio Co., Ltd., Taipei 115, Taiwan
- Correspondence: (M.-L.K.); or (S.-G.C.); Tel.: +886-2-27031298 (ext. 550) (M.-L.K.); +886-2-27031098 (ext. 551) (S.-G.C.)
| | - Shyi-Gen Chen
- Oneness Biotech Co., Ltd., Taipei 106, Taiwan
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
- Correspondence: (M.-L.K.); or (S.-G.C.); Tel.: +886-2-27031298 (ext. 550) (M.-L.K.); +886-2-27031098 (ext. 551) (S.-G.C.)
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12
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Innovative Treatment Strategies to Accelerate Wound Healing: Trajectory and Recent Advancements. Cells 2022; 11:cells11152439. [PMID: 35954282 PMCID: PMC9367945 DOI: 10.3390/cells11152439] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 11/26/2022] Open
Abstract
Wound healing is highly specialized dynamic multiple phase process for the repair of damaged/injured tissues through an intricate mechanism. Any failure in the normal wound healing process results in abnormal scar formation, and chronic state which is more susceptible to infections. Chronic wounds affect patients’ quality of life along with increased morbidity and mortality and are huge financial burden to healthcare systems worldwide, and thus requires specialized biomedical intensive treatment for its management. The clinical assessment and management of chronic wounds remains challenging despite the development of various therapeutic regimens owing to its painstakingly long-term treatment requirement and complex wound healing mechanism. Various conventional approaches such as cell therapy, gene therapy, growth factor delivery, wound dressings, and skin grafts etc., are being utilized for promoting wound healing in different types of wounds. However, all these abovementioned therapies are not satisfactory for all wound types, therefore, there is an urgent demand for the development of competitive therapies. Therefore, there is a pertinent requirement to develop newer and innovative treatment modalities for multipart therapeutic regimens for chronic wounds. Recent developments in advanced wound care technology includes nanotherapeutics, stem cells therapy, bioengineered skin grafts, and 3D bioprinting-based strategies for improving therapeutic outcomes with a focus on skin regeneration with minimal side effects. The main objective of this review is to provide an updated overview of progress in therapeutic options in chronic wounds healing and management over the years using next generation innovative approaches. Herein, we have discussed the skin function and anatomy, wounds and wound healing processes, followed by conventional treatment modalities for wound healing and skin regeneration. Furthermore, various emerging and innovative strategies for promoting quality wound healing such as nanotherapeutics, stem cells therapy, 3D bioprinted skin, extracellular matrix-based approaches, platelet-rich plasma-based approaches, and cold plasma treatment therapy have been discussed with their benefits and shortcomings. Finally, challenges of these innovative strategies are reviewed with a note on future prospects.
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13
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Wound Healing Impairment in Type 2 Diabetes Model of Leptin-Deficient Mice—A Mechanistic Systematic Review. Int J Mol Sci 2022; 23:ijms23158621. [PMID: 35955751 PMCID: PMC9369324 DOI: 10.3390/ijms23158621] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 02/04/2023] Open
Abstract
Type II diabetes mellitus (T2DM) is one of the most prevalent diseases in the world, associated with diabetic foot ulcers and impaired wound healing. There is an ongoing need for interventions effective in treating these two problems. Pre-clinical studies in this field rely on adequate animal models. However, producing such a model is near-impossible given the complex and multifactorial pathogenesis of T2DM. A leptin-deficient murine model was developed in 1959 and relies on either dysfunctional leptin (ob/ob) or a leptin receptor (db/db). Though monogenic, this model has been used in hundreds of studies, including diabetic wound healing research. In this study, we systematically summarize data from over one hundred studies, which described the mechanisms underlying wound healing impairment in this model. We briefly review the wound healing dynamics, growth factors’ dysregulation, angiogenesis, inflammation, the function of leptin and insulin, the role of advanced glycation end-products, extracellular matrix abnormalities, stem cells’ dysregulation, and the role of non-coding RNAs. Some studies investigated novel chronic diabetes wound models, based on a leptin-deficient murine model, which was also described. We also discussed the interventions studied in vivo, which passed into human clinical trials. It is our hope that this review will help plan future research.
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14
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Abstract
Chronic wounds are characterized by their inability to heal within an expected time frame and have emerged as an increasingly important clinical problem over the past several decades, owing to their increasing incidence and greater recognition of associated morbidity and socio-economic burden. Even up to a few years ago, the management of chronic wounds relied on standards of care that were outdated. However, the approach to these chronic conditions has improved, with better prevention, diagnosis and treatment. Such improvements are due to major advances in understanding of cellular and molecular aspects of basic science, in innovative and technological breakthroughs in treatment modalities from biomedical engineering, and in our ability to conduct well-controlled and reliable clinical research. The evidence-based approaches resulting from these advances have become the new standard of care. At the same time, these improvements are tempered by the recognition that persistent gaps exist in scientific knowledge of impaired healing and the ability of clinicians to reduce morbidity, loss of limb and mortality. Therefore, taking stock of what is known and what is needed to improve understanding of chronic wounds and their associated failure to heal is crucial to ensuring better treatments and outcomes.
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15
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Marjanovic J, Ramirez HA, Jozic I, Stone RC, Wikramanayake TC, Head CR, Abdo Abujamra B, Ojeh N, Kirsner RS, Lev-Tov H, Pastar I, Tomic-Canic M. Dichotomous role of miR193b-3p in diabetic foot ulcers maintains inhibition of healing and suppression of tumor formation. Sci Transl Med 2022; 14:eabg8397. [PMID: 35544594 PMCID: PMC9707408 DOI: 10.1126/scitranslmed.abg8397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Despite the hyperproliferative environment marked by activation of β-catenin and overexpression of c-myc, the epidermis surrounding chronic diabetic foot ulcers (DFUs) is clinically hypertrophic and nonmigratory yet does not undergo malignant transformation. We identified miR193b-3p as a master regulator that contributes to this unique cellular phenotype. We determined that induction of tumor suppressor miR193b-3p is a unique feature of DFUs that is not found in venous leg ulcers, acute wounds, or cutaneous squamous cell carcinoma (SCC). Genomic analyses of DFUs identified suppression of the miR193b-3p target gene network that orchestrates cell motility. Inhibition of migration and wound closure was further confirmed by overexpression of miR193b-3p in human organotypic and murine in vivo wound models, whereas miR193b-3p knockdown accelerated wound reepithelialization in human ex vivo and diabetic murine wounds in vivo. The dominant negative effect of miR193b-3p on keratinocyte migration was maintained in the presence of promigratory miR31-5p and miR15b-5p, which were also overexpressed in DFUs. miR193b-3p mediated antimigratory activity by disrupting stress fiber formation and by decreasing activity of GTPase RhoA. Conversely, miR193b-3p targets that typically participate in malignant transformation were found to be differentially regulated between DFUs and SCC, including the proto-oncogenes KRAS (Kirsten rat sarcoma viral proto-oncogene) and KIT (KIT proto-oncogene). Although miR193b-3p acts as a tumor suppressor contributing to low tumor incidence in DFUs, it also acts as a master inhibitor of cellular migration and epithelialization in DFUs. Thus, miR193b-3p may represent a target for wound healing induction, cancer therapeutics, and diagnostics.
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Affiliation(s)
- Jelena Marjanovic
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Horacio A Ramirez
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Ivan Jozic
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Rivka C Stone
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Tongyu C Wikramanayake
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Cheyanne R Head
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Beatriz Abdo Abujamra
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Nkemcho Ojeh
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA.,Faculty of Medical Sciences, The University of the West Indies, Bridgetown BB11000, Barbados
| | - Robert S Kirsner
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Hadar Lev-Tov
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Irena Pastar
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Marjana Tomic-Canic
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
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16
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A time to heal: microRNA and circadian dynamics in cutaneous wound repair. Clin Sci (Lond) 2022; 136:579-597. [PMID: 35445708 PMCID: PMC9069467 DOI: 10.1042/cs20220011] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/01/2022] [Accepted: 04/04/2022] [Indexed: 12/11/2022]
Abstract
Many biological systems have evolved circadian rhythms based on the daily cycles of daylight and darkness on Earth. Such rhythms are synchronised or entrained to 24-h cycles, predominantly by light, and disruption of the normal circadian rhythms has been linked to elevation of multiple health risks. The skin serves as a protective barrier to prevent microbial infection and maintain homoeostasis of the underlying tissue and the whole organism. However, in chronic non-healing wounds such as diabetic foot ulcers (DFUs), pressure sores, venous and arterial ulcers, a variety of factors conspire to prevent wound repair. On the other hand, keloids and hypertrophic scars arise from overactive repair mechanisms that fail to cease in a timely fashion, leading to excessive production of extracellular matrix (ECM) components such as such as collagen. Recent years have seen huge increases in our understanding of the functions of microRNAs (miRNAs) in wound repair. Concomitantly, there has been growing recognition of miRNA roles in circadian processes, either as regulators or targets of clock activity or direct responders to external circadian stimuli. In addition, miRNAs are now known to function as intercellular signalling mediators through extracellular vesicles (EVs). In this review, we explore the intersection of mechanisms by which circadian and miRNA responses interact with each other in relation to wound repair in the skin, using keratinocytes, macrophages and fibroblasts as exemplars. We highlight areas for further investigation to support the development of translational insights to support circadian medicine in the context of these cells.
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17
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Kandregula B, Narisepalli S, Chitkara D, Mittal A. Exploration of Lipid-Based Nanocarriers as Drug Delivery Systems in Diabetic Foot Ulcer. Mol Pharm 2022; 19:1977-1998. [PMID: 35481377 DOI: 10.1021/acs.molpharmaceut.1c00970] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Diabetes mellitus is a chronic manifestation characterized by high levels of glucose in the blood resulting in several complications including diabetic wounds and ulcers, which predominantly require a longer duration of treatment and adversely affect the quality of life of the patients. Nanotechnology-based therapeutics (both intrinsic and extrinsic types) have emerged as a promising treatment in diabetic foot ulcer/chronic wounds owing to their unique characteristics and specific functional properties. In this review, we have focused on the significance of the use of lipids in the healing of diabetic ulcers, their interaction with the injured skin, and recent trends in lipid-based nanocarriers for the healing of diabetic wounds. Lipid nanocarriers are also being investigated for gene therapy in diabetic wound healing to encapsulate nucleic acids such as siRNA and miRNA, which could silence the expression of inflammatory cytokines overexpressed in chronic wounds. Additionally, these are also being explored for encapsulating proteins, peptides, growth factors, and other biological genetic material as therapeutic agents. Lipid-based nanocarriers encompassing a wide variety of carriers such as liposomes, niosomes, ethosomes, solid lipid nanoparticles, and lipidoid nanoparticles that are explored for the treatment of foot ulcers supplemented with relevant research studies have been discussed in the present review. Lipid-based nanodrug delivery systems have demonstrated promising wound healing potential, particularly in diabetic conditions due to the enhanced efficacy of the entrapped active molecules.
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Affiliation(s)
- Bhaskar Kandregula
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
| | - Saibhargav Narisepalli
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
| | - Deepak Chitkara
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
| | - Anupama Mittal
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India.,Department of Cellular and Molecular Biology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan
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18
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Gondaliya P, Sayyed AA, Bhat P, Mali M, Arya N, Khairnar A, Kalia K. Mesenchymal Stem Cell-Derived Exosomes Loaded with miR-155 Inhibitor Ameliorate Diabetic Wound Healing. Mol Pharm 2022; 19:1294-1308. [PMID: 35294195 DOI: 10.1021/acs.molpharmaceut.1c00669] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Diabetic wounds are one of the debilitating complications that affect up to 20% of diabetic patients. Despite the advent of extensive therapies, the recovery rate is unsatisfactory, and approximately, 25% of patients undergo amputation, thereby demanding alternative therapeutic strategies. On the basis of the individual therapeutic roles of the miR-155 inhibitor and mesenchymal stem cells (MSC)-derived exosomes, we conjectured that the combination of the miR-155 inhibitor and MSC-derived exosomes would have synergy in diabetic wound healing. Herein, miR-155-inhibitor-loaded MSC-derived exosomes showed synergistic effects in keratinocyte migration, restoration of FGF-7 levels, and anti-inflammatory action, leading to accelerated wound healing mediated by negative regulation of miR-155, using an in vitro co-culture model and in vivo mouse model of the diabetic wound. Furthermore, treatment with miR-155-inhibitor-loaded MSC-derived exosomes led to enhanced collagen deposition, angiogenesis, and re-epithelialization in diabetic wounds. This study revealed the therapeutic potential of miR-155-inhibitor-loaded MSC-derived exosomes in diabetic wound healing and opened the doors for encapsulating miRNAs along with antibiotics within the MSC-derived exosomes toward improved management of chronic, nonhealing diabetic wounds.
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Affiliation(s)
- Piyush Gondaliya
- Department of Biotechnology, National of Pharmaceutical Education and Research, Ahmedabad, Gujarat 382355, India
| | - Adil Ali Sayyed
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat 382355, India
| | - Palak Bhat
- Department of Biotechnology, National of Pharmaceutical Education and Research, Ahmedabad, Gujarat 382355, India
| | - Mukund Mali
- Department of Biotechnology, National of Pharmaceutical Education and Research, Ahmedabad, Gujarat 382355, India
| | - Neha Arya
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat 382355, India
| | - Amit Khairnar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat 382355, India
| | - Kiran Kalia
- Department of Biotechnology, National of Pharmaceutical Education and Research, Ahmedabad, Gujarat 382355, India
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19
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Mahjabeen W, Khan DA, Mirza SA. Role of resveratrol supplementation in regulation of glucose hemostasis, inflammation and oxidative stress in patients with diabetes mellitus type 2: A randomized, placebo-controlled trial. Complement Ther Med 2022; 66:102819. [PMID: 35240291 DOI: 10.1016/j.ctim.2022.102819] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE The objective was to determine the effects of resveratrol supplementation on glucose homeostasis, oxidative stress, inflammation and microRNAs expression in patients with diabetes mellitus type 2 on oral hypoglycemic drugs. METHOD This was a randomized, double blinded placebo-controlled parallel group trial. The diabetic patients (n=110) were randomly assigned either to resveratrol (n=55) and placebo (55) groups after informed consent and given once daily resveratrol 200mg and cellulose capsules respectively for 24 weeks. Fasting glucose, insulin, HbA1c, lipid profile, TNF- α, IL-6, hs-CRP, MDA & circulatory microRNAs were measured at start and end of 24- week intervention. RESULTS Out of 110 patients recruited, 94 patients completed the study comprising of 45 in resveratrol and 46 in placebo group. The resveratrol supplementation after 24 weeks was resulted in significant reduction [mean difference (95%CI)] of plasma glucose[-0.50(-0.94 to -0.06)], insulin[-1.31(-2.24 to -0.38)], homeostatic model assessment of insulin resistance[-0.83(-1.37 to -0.29)], malondialdehyde[-0.36(-0.61 to -0.11)], high sensitive-C-reactive protein[-0.35(-0.70 to -0.01)], tumor necrosis factor-alpha[-1.25(-1.90 to -0.61)] and interleukin-6[-1.99(-3.29 to -0.69)]. More than two-fold down regulation in miRNA-34a, miRNA-375, miRNA-21, miRNA-192 and up regulation in miRNA-126 and miRNA-132 expression was noted in patients receiving resveratrol as compared to placebo. No side effects were reported during the trial. CONCLUSION Resveratrol supplementation contributes in improvement of glycemic control by reducing insulin resistance. It has significant beneficial impact on chronic inflammation, oxidative stress and associated microRNA expression in diabetic patients. Thus, supplementation of resveratrol along with oral hypoglycemic agents may be useful in the reduction of diabetic associated complications.
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Affiliation(s)
- Wajiha Mahjabeen
- Pathology department, Armed Forces Institute of Pathology, National University of Medical Sciences, Rawalpindi
| | - Dilshad Ahmed Khan
- Pathology department, Armed Forces Institute of Pathology, National University of Medical Sciences, Rawalpindi.
| | - Shakil Ahmed Mirza
- Consultant Physician, Mega Medical Complex Hospital, The Mall, Rawalpindi, Pakistan
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20
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Li D, Niu G, Landén NX. Beyond the Code: Noncoding RNAs in Skin Wound Healing. Cold Spring Harb Perspect Biol 2022; 14:a041230. [PMID: 35197246 PMCID: PMC9438779 DOI: 10.1101/cshperspect.a041230] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
An increasing number of noncoding RNAs (ncRNAs) have been found to regulate gene expression and protein functions, playing important roles in diverse biological processes and diseases. Their crucial functions have been reported in almost every cell type and all stages of skin wound healing. Evidence of their pathogenetic roles in common wound complications, such as chronic nonhealing wounds and excessive scarring, is also accumulating. Given their unique expression and functional properties, ncRNAs are promising therapeutic and diagnostic entities. In this review, we discuss current knowledge about the functional roles of noncoding elements, such as microRNAs, long ncRNAs, and circular RNAs, in skin wound healing, focusing on in vivo evidence from studies of human wound samples and animal wound models. Finally, we provide a perspective on the outlook of ncRNA-based therapeutics in wound care.
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Affiliation(s)
- Dongqing Li
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Guanglin Niu
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 17176 Stockholm, Sweden
| | - Ning Xu Landén
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, 17176 Stockholm, Sweden
- Ming Wai Lau Centre for Reparative Medicine, Stockholm Node, Karolinska Institute, 17177 Stockholm, Sweden
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21
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Kharaziha M, Baidya A, Annabi N. Rational Design of Immunomodulatory Hydrogels for Chronic Wound Healing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2100176. [PMID: 34251690 PMCID: PMC8489436 DOI: 10.1002/adma.202100176] [Citation(s) in RCA: 233] [Impact Index Per Article: 77.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/03/2021] [Indexed: 05/03/2023]
Abstract
With all the advances in tissue engineering for construction of fully functional skin tissue, complete regeneration of chronic wounds is still challenging. Since immune reaction to the tissue damage is critical in regulating both the quality and duration of chronic wound healing cascade, strategies to modulate the immune system are of importance. Generally, in response to an injury, macrophages switch from pro-inflammatory to an anti-inflammatory phenotype. Therefore, controlling macrophages' polarization has become an appealing approach in regenerative medicine. Recently, hydrogels-based constructs, incorporated with various cellular and molecular signals, have been developed and utilized to adjust immune cell functions in various stages of wound healing. Here, the current state of knowledge on immune cell functions during skin tissue regeneration is first discussed. Recent advanced technologies used to design immunomodulatory hydrogels for controlling macrophages' polarization are then summarized. Rational design of hydrogels for providing controlled immune stimulation via hydrogel chemistry and surface modification, as well as incorporation of cell and molecules, are also dicussed. In addition, the effects of hydrogels' properties on immunogenic features and the wound healing process are summarized. Finally, future directions and upcoming research strategies to control immune responses during chronic wound healing are highlighted.
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Affiliation(s)
- Mahshid Kharaziha
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Avijit Baidya
- Chemical and Biomolecular Engineering, University of California - Los Angeles, Los Angeles, CA, 90095, USA
| | - Nasim Annabi
- Chemical and Biomolecular Engineering, University of California - Los Angeles, Los Angeles, CA, 90095, USA
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22
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Zhuang Y, Cui W. Biomaterial-based delivery of nucleic acids for tissue regeneration. Adv Drug Deliv Rev 2021; 176:113885. [PMID: 34324886 DOI: 10.1016/j.addr.2021.113885] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/13/2021] [Accepted: 07/16/2021] [Indexed: 12/13/2022]
Abstract
Gene therapy is a promising novel method of tissue regeneration by stimulating or inhibiting key signaling pathways. However, their therapeutic applications in vivo are largely limited by several physiological obstacles, such as degradation of nucleases, impermeability of cell membranes, and transport to the desired intracellular compartments. Biomaterial-based gene delivery systems can overcome the problems of stability and local drug delivery, and can temporarily control the overexpression of therapeutic genes, leading to the local production of physiologically relevant levels of regulatory factors. But the gene delivery of biomaterials for tissue regeneration relies on multi-factor design. This review aims to outline the impact of gene delivery methods, therapeutic genes and biomaterials selection on this strategy, emphatically introduce the latest developments in the design of gene delivery vehicles based on biomaterials, summarize the mechanism of nucleic acid for tissue regeneration, and explore the strategies of nucleic acid delivery vehicles for various tissue regeneration.
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Affiliation(s)
- Yaping Zhuang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention, 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
| | - Wenguo Cui
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention, 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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23
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Barakat M, DiPietro LA, Chen L. Limited Treatment Options for Diabetic Wounds: Barriers to Clinical Translation Despite Therapeutic Success in Murine Models. Adv Wound Care (New Rochelle) 2021; 10:436-460. [PMID: 33050829 PMCID: PMC8236303 DOI: 10.1089/wound.2020.1254] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 10/12/2020] [Indexed: 12/15/2022] Open
Abstract
Significance: Millions of people worldwide suffer from diabetes mellitus and its complications, including chronic diabetic wounds. To date, there are few widely successful clinical therapies specific to diabetic wounds beyond general wound care, despite the vast number of scientific discoveries in the pathogenesis of defective healing in diabetes. Recent Advances: In recent years, murine animal models of diabetes have enabled the investigation of many possible therapeutics for diabetic wound care. These include specific cell types, growth factors, cytokines, peptides, small molecules, plant extracts, microRNAs, extracellular vesicles, novel wound dressings, mechanical interventions, bioengineered materials, and more. Critical Issues: Despite many research discoveries, few have been translated from their success in murine models to clinical use in humans. This massive gap between bench discovery and bedside application begs the simple and critical question: what is still missing? The complexity and multiplicity of the diabetic wound makes it an immensely challenging therapeutic target, and this lopsided progress highlights the need for new methods to overcome the bench-to-bedside barrier. How can laboratory discoveries in animal models be effectively translated to novel clinical therapies for human patients? Future Directions: As research continues to decipher deficient healing in diabetes, new approaches and considerations are required to ensure that these discoveries can become translational, clinically usable therapies. Clinical progress requires the development of new, more accurate models of the human disease state, multifaceted investigations that address multiple critical components in wound repair, and more innovative research strategies that harness both the existing knowledge and the potential of new advances across disciplines.
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Affiliation(s)
- May Barakat
- Center for Wound Repair and Tissue Regeneration, College of Dentistry, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Luisa A. DiPietro
- Center for Wound Repair and Tissue Regeneration, College of Dentistry, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Lin Chen
- Center for Wound Repair and Tissue Regeneration, College of Dentistry, University of Illinois at Chicago, Chicago, Illinois, USA
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24
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Ross K. MiR equal than others: MicroRNA enhancement for cutaneous wound healing. J Cell Physiol 2021; 236:8050-8059. [PMID: 34160067 DOI: 10.1002/jcp.30485] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 06/01/2021] [Accepted: 06/08/2021] [Indexed: 12/24/2022]
Abstract
Keratinocyte migration is vital in the re-epithelialisation of the skin during wound healing. Multiple factors conspire to impair closure of chronic wounds such as diabetic foot ulcers, venous leg ulcers and pressure wounds. Despite deep mechanistic understanding of microRNA (miRNA) biogenesis and function, the translational potential of these small genetic molecules has not been exploited to promote wound repair. In this review, I focus on miRNAs whose importance for wound healing stems from their impact on epidermal keratinocyte behaviour. These include miR-21-5p, miR-31-5p, miR-132-3p, miR-19b, miR-20a, miR-184, miR-129-5p and miR-335-5p which regulate diverse aspect of keratinocyte biology such as migration, proliferation, differentiation, inflammation and wound closure. A combinatorial approach where two or more miRNA mimics targeting distinct but complementary wound healing processes is proposed as this may enhance wound repair more effectively than any single miRNA mimic alone.
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Affiliation(s)
- Kehinde Ross
- School of Pharmacy and Biomolecular Science, Liverpool John Moores University, Liverpool, England, UK
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25
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Applications of Nanosized-Lipid-Based Drug Delivery Systems in Wound Care. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11114915] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Impaired wound healing is an encumbering public health issue that increases the demand for developing new therapies in order to minimize health costs and enhance treatment efficacy. Available conventional therapies are still unable to maximize their potential in penetrating the skin at the target site and accelerating the healing process. Nanotechnology exhibits an excellent opportunity to enrich currently available medical treatments, enhance standard care and manage wounds. It is a promising approach, able to address issues such as the permeability and bioavailability of drugs with reduced stability or low water solubility. This paper focuses on nanosized-lipid-based drug delivery systems, describing their numerous applications in managing skin wounds. We also highlight the relationship between the physicochemical characteristics of nanosized, lipid-based drug delivery systems and their impact on the wound-healing process. Different types of nanosized-lipid-based drug delivery systems, such as vesicular systems and lipid nanoparticles, demonstrated better applicability and enhanced skin penetration in wound healing therapy compared with conventional treatments. Moreover, an improved chemically and physically stable drug delivery system, with increased drug loading capacity and enhanced bioavailability, has been shown in drugs encapsulated in lipid nanoparticles. Their applications in wound care show potential for overcoming impediments, such as the inadequate bioavailability of active agents with low solubility. Future research in nanosized-lipid-based drug delivery systems will allow the achievement of increased bioavailability and better control of drug release, providing the clinician with more effective therapies for wound care.
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Blanco-Fernandez B, Castaño O, Mateos-Timoneda MÁ, Engel E, Pérez-Amodio S. Nanotechnology Approaches in Chronic Wound Healing. Adv Wound Care (New Rochelle) 2021; 10:234-256. [PMID: 32320364 PMCID: PMC8035922 DOI: 10.1089/wound.2019.1094] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 03/04/2020] [Indexed: 12/28/2022] Open
Abstract
Significance: The incidence of chronic wounds is increasing due to our aging population and the augment of people afflicted with diabetes. With the extended knowledge on the biological mechanisms underlying these diseases, there is a novel influx of medical technologies into the conventional wound care market. Recent Advances: Several nanotechnologies have been developed demonstrating unique characteristics that address specific problems related to wound repair mechanisms. In this review, we focus on the most recently developed nanotechnology-based therapeutic agents and evaluate the efficacy of each treatment in in vivo diabetic models of chronic wound healing. Critical Issues: Despite the development of potential biomaterials and nanotechnology-based applications for wound healing, this scientific knowledge is not translated into an increase of commercially available wound healing products containing nanomaterials. Future Directions: Further studies are critical to provide insights into how scientific evidences from nanotechnology-based therapies can be applied in the clinical setting.
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Affiliation(s)
- Barbara Blanco-Fernandez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Oscar Castaño
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Electronics and Biomedical Engineering, Universitat de Barcelona (UB), Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Bioelectronics Unit and Nanobioengineering Lab, Institute for Nanoscience and Nanotechnology of the University of Barcelona (IN2UB), Barcelona, Spain
| | - Miguel Ángel Mateos-Timoneda
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
| | - Elisabeth Engel
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
| | - Soledad Pérez-Amodio
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
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27
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MicroRNAs in shaping the resolution phase of inflammation. Semin Cell Dev Biol 2021; 124:48-62. [PMID: 33934990 DOI: 10.1016/j.semcdb.2021.03.019] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/28/2021] [Accepted: 03/29/2021] [Indexed: 12/19/2022]
Abstract
Inflammation is a host defense mechanism orchestrated through imperative factors - acute inflammatory responses mediated by cellular and molecular events leading to activation of defensive immune subsets - to marginalize detrimental injury, pathogenic agents and infected cells. These potent inflammatory events, if uncontrolled, may cause tissue damage by perturbing homeostasis towards immune dysregulation. A parallel host mechanism operates to contain inflammatory pathways and facilitate tissue regeneration. Thus, resolution of inflammation is an effective moratorium on the pro-inflammatory pathway to avoid the tissue damage inside the host and leads to reestablishment of tissue homeostasis. Dysregulation of the resolution pathway can have a detrimental impact on tissue functionality and contribute to the diseased state. Multiple reports have suggested peculiar dynamics of miRNA expression during various pro- and anti-inflammatory events. The roles of miRNAs in the regulation of immune responses are well-established. However, understanding of miRNA regulation of the resolution phase of events in infection or wound healing models, which is sometimes misconstrued as anti-inflammatory signaling, remains limited. Due to the deterministic role of miRNAs in pro-inflammatory and anti-inflammatory pathways, in this review we have provided a broad perspective on the putative role of miRNAs in the resolution of inflammation and explored their imminent role in therapeutics.
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28
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Mahjabeen W, Khan DA, Mirza SA, Pervez MA. Effects of delta-tocotrienol supplementation on Glycemic Control, oxidative stress, inflammatory biomarkers and miRNA expression in type 2 diabetes mellitus: A randomized control trial. Phytother Res 2021; 35:3968-3976. [PMID: 33899292 DOI: 10.1002/ptr.7113] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 02/24/2021] [Accepted: 03/23/2021] [Indexed: 11/06/2022]
Abstract
The study aimed to ascertain the effects of delta-tocotrienol (δT3) supplementation on glycemic control, oxidative stress, inflammation and related micro-ribonucleic acid (miRNA) expression in patients with type 2 diabetes mellitus (T2DM). Total 110 patients of T2DM on oral hypoglycemic agents, were randomly divided into tocotrienol and placebo groups and given 250 mg δT3 or cellulose soft gel capsule once daily respectively for 24 weeks. Glycemic control, oxidative stress, inflammatory biomarkers, and miRNAs expression were measured in serum at baseline and end of the intervention by using standard laboratory methods. Compared to the placebo, δT3 supplementation resulted in a significant (p ≤ .05) reduction [mean difference (95% confidence interval)] in plasma glucose [-0.48 (-0.65, -0.30)], insulin [-1.19 (-1.51, -0.87)], homeostatic model assessment of insulin resistance [-0.67 (-0.86, -0.49)], glycosylated hemoglobin [-0.53 (-0.79, -0.28)], malondialdehyde [-0.34 (-0.45, -0.22)], high sensitive-C-reactive protein[-0.35 (-0.54, -0.16)], tumor necrosis factor-alpha [-1.22 (-1.62, -0.83)], and interleukin-6[-2.30 (-2.91, -1.68)]. More than twofold downregulation in miRNA-375, miRNA-34a, miRNA-21, and upregulation in miRNA-126, miRNA-132 expression was observed in the δT3 group compared to the placebo. The study demonstrated that δT3 supplementation in addition to oral hypoglycemic agents, improved glycemic control, inflammation, oxidative stress, and miRNA expression in T2DM without any adverse effect. Thus, δT3 might be considered as an effective dietary supplement to prevent long-term diabetic complications.
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Affiliation(s)
- Wajiha Mahjabeen
- Department of Chemical Pathology, Armed Forces Institute of Pathology, National University of Medical Sciences, Rawalpindi, Pakistan
| | - Dilshad Ahmed Khan
- Department of Chemical Pathology, Armed Forces Institute of Pathology, National University of Medical Sciences, Rawalpindi, Pakistan
| | | | - Muhammad Amjad Pervez
- Department of Chemical Pathology, Armed Forces Institute of Pathology, National University of Medical Sciences, Rawalpindi, Pakistan
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29
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Pastar I, Marjanovic J, Stone RC, Chen V, Burgess JL, Mervis JS, Tomic-Canic M. Epigenetic regulation of cellular functions in wound healing. Exp Dermatol 2021; 30:1073-1089. [PMID: 33690920 DOI: 10.1111/exd.14325] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/04/2021] [Accepted: 03/08/2021] [Indexed: 02/06/2023]
Abstract
Stringent spatiotemporal regulation of the wound healing process involving multiple cell types is associated with epigenetic mechanisms of gene regulation, such as DNA methylation, histone modification and chromatin remodelling, as well as non-coding RNAs. Here, we discuss the epigenetic changes that occur during wound healing and the rapidly expanding understanding of how these mechanisms affect healing resolution in both acute and chronic wound milieu. We provide a focussed overview of current research into epigenetic regulators that contribute to wound healing by specific cell type. We highlight the role of epigenetic regulators in the molecular pathophysiology of chronic wound conditions. The understanding of how epigenetic regulators can affect cellular functions during normal and impaired wound healing could lead to novel therapeutic approaches, and we outline questions that can provide guidance for future research on epigenetic-based interventions to promote healing. Dissecting the dynamic interplay between cellular subtypes involved in wound healing and epigenetic parameters during barrier repair will deepen our understanding of how to improve healing outcomes in patients affected by chronic non-healing wounds.
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Affiliation(s)
- Irena Pastar
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, Wound Healing and Regenerative Medicine Research Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Jelena Marjanovic
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, Wound Healing and Regenerative Medicine Research Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Rivka C Stone
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, Wound Healing and Regenerative Medicine Research Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Vivien Chen
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, Wound Healing and Regenerative Medicine Research Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Jamie L Burgess
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, Wound Healing and Regenerative Medicine Research Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Joshua S Mervis
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, Wound Healing and Regenerative Medicine Research Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Marjana Tomic-Canic
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, Wound Healing and Regenerative Medicine Research Program, University of Miami Miller School of Medicine, Miami, FL, USA
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30
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Li J, Wei M, Liu X, Xiao S, Cai Y, Li F, Tian J, Qi F, Xu G, Deng C. The progress, prospects, and challenges of the use of non-coding RNA for diabetic wounds. MOLECULAR THERAPY-NUCLEIC ACIDS 2021; 24:554-578. [PMID: 33981479 PMCID: PMC8063712 DOI: 10.1016/j.omtn.2021.03.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Chronic diabetic wounds affect the quality of life of patients, resulting in significant social and economic burdens on both individuals and the health care system. Although treatment methods for chronic diabetic wounds have been explored, there remains a lack of effective treatment strategies; therefore, alternative strategies must be explored. Recently, the abnormal expression of non-coding RNA in diabetic wounds has received widespread attention since it is an important factor in the development of diabetic wounds. This article reviews the regulatory role of three common non-coding RNAs (microRNA [miRNA], long non-coding RNA [lncRNA], and circular RNA [circRNA]) in diabetic wounds and discusses the diagnosis, treatment potential, and challenges of non-coding RNA in diabetic wounds. This article provides insights into new strategies for diabetic wound diagnosis and treatment at the genetic and molecular levels.
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Affiliation(s)
- Jianyi Li
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China.,Collaborative Innovation Center of Tissue Injury Repair and Regenerative Medicine Co-sponsored by Province and Ministry, Affiliated Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Miaomiao Wei
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China.,Collaborative Innovation Center of Tissue Injury Repair and Regenerative Medicine Co-sponsored by Province and Ministry, Affiliated Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Xin Liu
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China.,Collaborative Innovation Center of Tissue Injury Repair and Regenerative Medicine Co-sponsored by Province and Ministry, Affiliated Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Shune Xiao
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China.,Collaborative Innovation Center of Tissue Injury Repair and Regenerative Medicine Co-sponsored by Province and Ministry, Affiliated Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Yuan Cai
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Fang Li
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Jiao Tian
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China.,Collaborative Innovation Center of Tissue Injury Repair and Regenerative Medicine Co-sponsored by Province and Ministry, Affiliated Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Fang Qi
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China.,Collaborative Innovation Center of Tissue Injury Repair and Regenerative Medicine Co-sponsored by Province and Ministry, Affiliated Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Guangchao Xu
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China.,Collaborative Innovation Center of Tissue Injury Repair and Regenerative Medicine Co-sponsored by Province and Ministry, Affiliated Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Chengliang Deng
- Department of Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China.,Collaborative Innovation Center of Tissue Injury Repair and Regenerative Medicine Co-sponsored by Province and Ministry, Affiliated Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
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Abstract
Wound repair is a fundamental physiological process to keep the integrity of the skin, and its dysregulation results in diseases, such as chronic nonhealing wounds or excessive scarring. To study the underlying cellular and molecular mechanisms and identify new therapeutic targets, animal models are often used in the wound healing research. In this chapter, we describe an easy step-by-step protocol to generate skin wounds in a mouse model. Briefly, two full-thickness wounds extending through the panniculus carnosus are made on the dorsum on each side of the midline of a mouse, which is followed by monitoring and quantifying the wound closure. Moreover, the biopsy tissues of skin and wound-edges are collected at different time points for subsequent histology and gene expression analysis.
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32
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Serra F, Aielli L, Costantini E. The role of miRNAs in the inflammatory phase of skin wound healing. AIMS ALLERGY AND IMMUNOLOGY 2021. [DOI: 10.3934/allergy.2021020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
<abstract>
<p>Wound healing (WH) is a fundamental physiological process to keep the integrity of the skin, therefore impaired and chronic WH is a common and severe medical problem and represent one of the biggest challenges of public health. The resolution of the WH inflammatory phase is characterized by a complex series of events that involves many cellular types, especially neutrophils, macrophages and inflammatory mediators, which are crucial for a correct wound closure. MicroRNAs (miRNAs) play essential roles in wound repair. In fact, miR-142 is linked to inflammation modulating neutrophils' chemotaxis and polarization, while the polarization of M1 toward the M2 phenotype is driven by miR-223 and miR-132 is linked to chemokines and cytokines that activate endothelial cells and attract leukocytes and peripheral cells to the damage site. Thus, understanding the dysregulation of miRNAs in WH will be decisive for the development of new and more effective therapies for the management of chronic wounds.</p>
</abstract>
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33
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Li X, Xu Landén N. Evaluation of MicroRNA Therapeutic Potential Using the Mouse In Vivo and Human Ex Vivo Wound Models. Methods Mol Biol 2021; 2193:67-75. [PMID: 32808259 DOI: 10.1007/978-1-0716-0845-6_7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Wound healing is a fundamental physiological process to keep the integrity of the skin; failure of wound healing leads to chronic wounds, which are a common and severe medical problem. MicroRNAs (miRNAs) are gene regulators important for multiple biological functions in the skin, and they play essential roles in different phases of wound repair. Many miRNAs have been found dysregulated in human chronic wounds. Therefore, miRNAs may serve as potential therapeutic targets for wound treatment. In this chapter, we describe a step-by-step protocol about how to evaluate the therapeutic potential of a miRNA in mouse in vivo and human ex vivo wound models. The findings from these preclinical wound models will serve as a basis for further clinical trials.
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Affiliation(s)
- Xi Li
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institute, Stockholm, Sweden
| | - Ning Xu Landén
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institute, Stockholm, Sweden.
- Ming Wai Lau Centre for Reparative Medicine, Stockholm Node, Karolinska Institute, Stockholm, Sweden.
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34
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HypoxamiR-210 accelerates wound healing in diabetic mice by improving cellular metabolism. Commun Biol 2020; 3:768. [PMID: 33318569 PMCID: PMC7736285 DOI: 10.1038/s42003-020-01495-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 11/15/2020] [Indexed: 11/09/2022] Open
Abstract
Wound healing is a high energy demanding process that needs a good coordination of the mitochondria with glycolysis in the characteristic highly hypoxic environment. In diabetes, hyperglycemia impairs the adaptive responses to hypoxia with profound negative effects on different cellular compartments of wound healing. miR-210 is a hypoxia-induced microRNA that regulates cellular metabolism and processes important for wound healing. Here, we show that hyperglycemia blunted the hypoxia-dependent induction of miR-210 both in vitro and in human and mouse diabetic wounds. The impaired regulation of miR-210 in diabetic wounds is pathogenic, since local miR-210 administration accelerated wound healing specifically in diabetic but not in non-diabetic mice. miR-210 reconstitution restores the metabolic balance in diabetic wounds by reducing oxygen consumption rate and ROS production and by activating glycolysis with positive consequences on cellular migration. In conclusion, miR-210 accelerates wound healing specifically in diabetes through improvement of the cellular metabolism.
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35
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Domingo S, Solé C, Moliné T, Ferrer B, Cortés-Hernández J. MicroRNAs in Several Cutaneous Autoimmune Diseases: Psoriasis, Cutaneous Lupus Erythematosus and Atopic Dermatitis. Cells 2020; 9:cells9122656. [PMID: 33321931 PMCID: PMC7763020 DOI: 10.3390/cells9122656] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/01/2020] [Accepted: 12/05/2020] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are endogenous small non-coding RNA molecules that regulate the gene expression at a post-transcriptional level and participate in maintaining the correct cell homeostasis and functioning. Different specific profiles have been identified in lesional skin from autoimmune cutaneous diseases, and their deregulation cause aberrant control of biological pathways, contributing to pathogenic conditions. Detailed knowledge of microRNA-affected pathways is of crucial importance for understating their role in skin autoimmune diseases. They may be promising therapeutic targets with novel clinical implications. They are not only present in skin tissue, but they have also been found in other biological fluids, such as serum, plasma and urine from patients, and therefore, they are potential biomarkers for the diagnosis, prognosis and response to treatment. In this review, we discuss the current understanding of the role of described miRNAs in several cutaneous autoimmune diseases: psoriasis (Ps, 33 miRNAs), cutaneous lupus erythematosus (CLE, 2 miRNAs) and atopic dermatitis (AD, 8 miRNAs). We highlight their role as crucial elements implicated in disease pathogenesis and their applicability as biomarkers and as a novel therapeutic approach in the management of skin inflammatory diseases.
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Affiliation(s)
- Sandra Domingo
- Rheumatology Research Group, Lupus Unit, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (S.D.); (J.C.-H.)
| | - Cristina Solé
- Rheumatology Research Group, Lupus Unit, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (S.D.); (J.C.-H.)
- Correspondence: ; Tel.: +34-9-3489-4045
| | - Teresa Moliné
- Department of Pathology, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (T.M.); (B.F.)
| | - Berta Ferrer
- Department of Pathology, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (T.M.); (B.F.)
| | - Josefina Cortés-Hernández
- Rheumatology Research Group, Lupus Unit, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (S.D.); (J.C.-H.)
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36
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Piipponen M, Li D, Landén NX. The Immune Functions of Keratinocytes in Skin Wound Healing. Int J Mol Sci 2020; 21:E8790. [PMID: 33233704 PMCID: PMC7699912 DOI: 10.3390/ijms21228790] [Citation(s) in RCA: 161] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 02/07/2023] Open
Abstract
As the most dominant cell type in the skin, keratinocytes play critical roles in wound repair not only as structural cells but also exerting important immune functions. This review focuses on the communications between keratinocytes and immune cells in wound healing, which are mediated by various cytokines, chemokines, and extracellular vesicles. Keratinocytes can also directly interact with T cells via antigen presentation. Moreover, keratinocytes produce antimicrobial peptides that can directly kill the invading pathogens and contribute to wound repair in many aspects. We also reviewed the epigenetic mechanisms known to regulate keratinocyte immune functions, including histone modifications, non-protein-coding RNAs (e.g., microRNAs, and long noncoding RNAs), and chromatin dynamics. Lastly, we summarized the current evidence on the dysregulated immune functions of keratinocytes in chronic nonhealing wounds. Based on their crucial immune functions in skin wound healing, we propose that keratinocytes significantly contribute to the pathogenesis of chronic wound inflammation. We hope this review will trigger an interest in investigating the immune roles of keratinocytes in chronic wound pathology, which may open up new avenues for developing innovative wound treatments.
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Affiliation(s)
| | | | - Ning Xu Landén
- Center for Molecular Medicine, Ming Wai Lau Centre for Reparative Medicine, Department of Medicine Solna, Dermatology and Venereology Division, Karolinska Institute, 17176 Stockholm, Sweden; (M.P.); (D.L.)
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Tang H, Wang X, Zhang M, Yan Y, Huang S, Ji J, Xu J, Zhang Y, Cai Y, Yang B, Lan W, Huang M, Zhang L. MicroRNA-200b/c-3p regulate epithelial plasticity and inhibit cutaneous wound healing by modulating TGF-β-mediated RAC1 signaling. Cell Death Dis 2020; 11:931. [PMID: 33122632 PMCID: PMC7596237 DOI: 10.1038/s41419-020-03132-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 10/06/2020] [Accepted: 10/08/2020] [Indexed: 12/14/2022]
Abstract
Cutaneous wound healing is pivotal for human skin to regain barrier function against pathogens. MicroRNAs (miRNAs) have been found to play regulatory roles in wound healing. However, the mechanism of miRNA regulation remains largely unknown. In this study, we focused on microRNA-200b/c-3p (miR-200b/c-3p) whose expression was abundant in intact epidermis, but dramatically decreased in skin wounds. In silico prediction identified RAC1 as a potential miR-200b/c-3p target. Luciferase reporter assay confirmed that miR-200b/c-p repressed RAC1 by direct targeting to its mRNA 3′UTR. Consistently, miR-200b/c-3p expression was discordantly related to RAC1 protein level during wound healing. Forced miR-200b/c-3p expression repressed RAC1 and inhibited keratinocyte migration as well as re-epithelialization in a mouse back skin full-thickness wound healing model. Mechanistically, miR-200b/c-3p modulated RAC1 to inhibit cell migration by repressing lamellipodia formation and intercellular adhesion dissolution in keratinocytes. Furthermore, we found that TGF-β1, which was highly expressed in skin wounds, contributed to the downregulation of miR-200b/c-3p in wound edge keratinocytes. Taken together, miR-200b/c-3p-mediated RAC1 repression inhibited keratinocyte migration to delay re-epithelialization. TGF-β1 induction attenuated miR-200b/c-3p regulation of RAC1 signaling in cutaneous wounds and the repression of miR-200b/c-3p accelerated keratinocyte migration to promote wound healing. Our data provide new insight into how miR-200b/c-3p affects keratinocyte migration and highlight the potential of miR-200b/c-3p targeting for accelerating wound healing.
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Affiliation(s)
- Huiyi Tang
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Xueer Wang
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Min Zhang
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Yuan Yan
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Simin Huang
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Jiahao Ji
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Jinfu Xu
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Yijia Zhang
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Yongjie Cai
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Bobo Yang
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Wenqi Lan
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Mianbo Huang
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China.
| | - Lin Zhang
- Department of Histology and Embryology, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China.
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Nguyen TN, Rajapakshe K, Nicholas C, Tordesillas L, Ehli EA, Davis CM, Coarfa C, Flores ER, Dickinson SE, Curiel-Lewandrowski C, Tsai KY. Integrative transcriptomic analysis for linking acute stress responses to squamous cell carcinoma development. Sci Rep 2020; 10:17209. [PMID: 33057049 PMCID: PMC7560606 DOI: 10.1038/s41598-020-74051-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 09/22/2020] [Indexed: 12/04/2022] Open
Abstract
Cutaneous squamous cell carcinoma (cuSCC) is the second most common skin cancer and commonly arises in chronically UV-exposed skin or chronic wounds. Since UV exposure and chronic wounds are the two most prominent environmental factors that lead to cuSCC initiation, we undertook this study to test whether more acute molecular responses to UV and wounding overlapped with molecular signatures of cuSCC. We reasoned that transcriptional signatures in common between acutely UV-exposed skin, wounded skin, and cuSCC tumors, might enable us to identify important pathways contributing to cuSCC. We performed transcriptomic analysis on acutely UV-exposed human skin and integrated those findings with datasets from wounded skin and our transcriptomic data on cuSCC using functional pair analysis, GSEA, and pathway analysis. Integrated analyses revealed significant overlap between these three datasets, thus highlighting deep molecular similarities these biological processes, and we identified Oncostatin M (OSM) as a potential common upstream driver. Expression of OSM and its downstream targets correlated with poorer overall survival in head and neck SCC patients. In vitro, OSM promoted invasiveness of keratinocytes and cuSCC cells and suppressed apoptosis of irradiated keratinocytes. Together, these results support the concept of using an integrated, biologically-informed approach to identify potential promoters of tumorigenesis.
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Affiliation(s)
- Tran N Nguyen
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
- Department of Computational Biomedicine, Vingroup Big Data Institute, Hanoi, Vietnam
| | - Kimal Rajapakshe
- Department of Molecular Biology, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Courtney Nicholas
- Department of Immunology, University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Leticia Tordesillas
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Erik A Ehli
- Avera Institute for Human Genetics, Sioux Falls, SD, 57108, USA
| | | | - Cristian Coarfa
- Department of Molecular Biology, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Elsa R Flores
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
- Donald A. Adam Melanoma and Skin Cancer Center of Excellence, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Sally E Dickinson
- Department of Pharmacology, University of Arizona Cancer Center, Tucson, AZ, USA
| | | | - Kenneth Y Tsai
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA.
- Donald A. Adam Melanoma and Skin Cancer Center of Excellence, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA.
- Department of Anatomic Pathology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Dr, SRB-4, Tampa, FL, 33612, USA.
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Wang Y, Tatakis DN. Integrative mRNA/miRNA expression analysis in healing human gingiva. J Periodontol 2020; 92:863-874. [PMID: 32857863 DOI: 10.1002/jper.20-0397] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/11/2020] [Accepted: 08/15/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND MicroRNAs (miRNAs) are implicated in the epigenetic regulation of complex biological processes. Their possible role in human oral wound healing, a process that differs from cutaneous wound healing by being faster and typically scar-free, has been unexplored. This report presents the miRNA expression profile of experimental human oral wounds and an integrative analysis of mRNA/miRNA expression. METHODS Nine healthy volunteers provided standardized normal and 5-day healing palatal biopsies, used for next generation miRNA and mRNA sequencing analysis, correlation and network analysis, real-time PCR (qPCR) and immunohistochemistry. RESULTS On average, 169 significantly regulated precursor miRNAs were detected, including 21 novel miRNAs, selectively confirmed by PCR. Hsa-miR-223-3p and hsa-miR-124-3p were, respectively, the most up- and downregulated miRNAs in healing gingiva. Hsa-miR-124-3p had the most predicted mRNA target interactions, with angiogenesis-related genes the most enriched. Correlation analysis showed the highest correlation between hsa-miR-181a-3p and SERPINB1; hsa-miR-223-5p and SLC2A3; hsa-miR-1301 and MS4A7. In addition, SERPINB1 mRNA had the most associations with differentially regulated miRNAs. IL33 was the only cytokine significantly correlated with miRNAs (ρ > 0.95). qPCR and immunohistochemistry verified the significant upregulation of SERPINB1 and IL33 in healing gingiva. CONCLUSIONS This study is the first to report on the miRNome of healing human gingiva and to provide an integrative analysis of miRNA/mRNA expression during human oral wound healing; the results offer novel insights into the participating molecular mechanisms and raise the possibility of SERPINB1 and IL-33 as potential wound healing therapeutic targets.
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Affiliation(s)
- Yun Wang
- Division of Periodontology, College of Dentistry, The Ohio State University, Columbus, Ohio, USA
| | - Dimitris N Tatakis
- Division of Periodontology, College of Dentistry, The Ohio State University, Columbus, Ohio, USA
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Mechanistic Actions of microRNAs in Diabetic Wound Healing. Cells 2020; 9:cells9102228. [PMID: 33023156 PMCID: PMC7601058 DOI: 10.3390/cells9102228] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/25/2020] [Accepted: 09/30/2020] [Indexed: 02/06/2023] Open
Abstract
Wound healing is a complex biological process that is impaired under diabetes conditions. Chronic non-healing wounds in diabetes are some of the most expensive healthcare expenditures worldwide. Early diagnosis and efficacious treatment strategies are needed. microRNAs (miRNAs), a class of 18–25 nucleotide long RNAs, are important regulatory molecules involved in gene expression regulation and in the repression of translation, controlling protein expression in health and disease. Recently, miRNAs have emerged as critical players in impaired wound healing and could be targets for potential therapies for non-healing wounds. Here, we review and discuss the mechanistic background of miRNA actions in chronic wounds that can shed the light on their utilization as specific wound healing biomarkers.
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Li D, Peng H, Qu L, Sommar P, Wang A, Chu T, Li X, Bi X, Liu Q, Gallais Sérézal I, Rollman O, Lohcharoenkal W, Zheng X, Eliasson Angelstig S, Grünler J, Pivarcsi A, Sonkoly E, Catrina SB, Xiao C, Ståhle M, Mi QS, Zhou L, Xu Landén N. miR-19a/b and miR-20a Promote Wound Healing by Regulating the Inflammatory Response of Keratinocytes. J Invest Dermatol 2020; 141:659-671. [PMID: 32949564 DOI: 10.1016/j.jid.2020.06.037] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/10/2020] [Accepted: 06/29/2020] [Indexed: 12/14/2022]
Abstract
Persistent and impaired inflammation impedes tissue healing and is a characteristic of chronic wounds. A better understanding of the mechanisms controlling wound inflammation is needed. In this study, we show that in human wound-edge keratinocytes, the expressions of microRNA (miR)-17, miR-18a, miR-19a, miR-19b, and miR-20a, which all belong to the miR-17∼92 cluster, are upregulated during wound repair. However, their levels are lower in chronic ulcers than in acute wounds at the proliferative phase. Conditional knockout of miR-17∼92 in keratinocytes as well as injection of miR-19a/b and miR-20a antisense inhibitors into wound edges enhanced inflammation and delayed wound closure in mice. In contrast, conditional overexpression of the miR-17∼92 cluster or miR-19b alone in mice keratinocytes accelerated wound closure in vivo. Mechanistically, miR-19a/b and miR-20a decreased TLR3-mediated NF-κB activation by targeting SHCBP1 and SEMA7A, respectively, reducing the production of inflammatory chemokines and cytokines by keratinocytes. Thus, miR-19a/b and miR-20a being crucial regulators of wound inflammation, the lack thereof may contribute to sustained inflammation and impaired healing in chronic wounds. In line with this, we show that a combinatory treatment with miR-19b and miR-20a improved wound healing in a mouse model of type 2 diabetes.
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Affiliation(s)
- Dongqing Li
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden
| | - Hongmei Peng
- Department of Dermatology, Center for Cutaneous Biology and Immunology Research, Henry Ford Health System, Detroit, Michigan, USA; Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, Michigan, USA; MirnaTech International, LLC, Detroit, Michigan, USA
| | - Le Qu
- Department of Dermatology, Center for Cutaneous Biology and Immunology Research, Henry Ford Health System, Detroit, Michigan, USA; Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, Michigan, USA
| | - Pehr Sommar
- Department of Reconstructive Plastic Surgery, Karolinska University Hospital, Stockholm, Sweden
| | - Aoxue Wang
- Department of Dermatology, The Second Hospital of Dalian Medical University, Dalian, China
| | - Tongbin Chu
- Department of Wound Repair, The Second Hospital of Dalian Medical University, Dalian, China
| | - Xi Li
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden
| | - Xinling Bi
- Department of Dermatology, Center for Cutaneous Biology and Immunology Research, Henry Ford Health System, Detroit, Michigan, USA; Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, Michigan, USA
| | - Queping Liu
- Department of Dermatology, Center for Cutaneous Biology and Immunology Research, Henry Ford Health System, Detroit, Michigan, USA; Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, Michigan, USA
| | - Irène Gallais Sérézal
- Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden; Department of Medical Genetics, Hôpital Henri Mondor, APHP, Créteil, France
| | - Ola Rollman
- Department of Dermatology, Academic University Hospital, Uppsala, Sweden
| | - Warangkana Lohcharoenkal
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden
| | - Xiaowei Zheng
- Department of Molecular Medicine and Surgery, Karolinska University Hospital, Stockholm, Sweden
| | | | - Jacob Grünler
- Department of Molecular Medicine and Surgery, Karolinska University Hospital, Stockholm, Sweden
| | - Andor Pivarcsi
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Department of Medical Biochemistry and Microbiology (IMBIM), Uppsala University, Uppsala, Sweden
| | - Enikö Sonkoly
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden
| | - Sergiu-Bogdan Catrina
- Department of Molecular Medicine and Surgery, Karolinska University Hospital, Stockholm, Sweden; Centrum for Diabetes, Academic Specialist Centrum, Stockholm, Sweden
| | - Changchun Xiao
- Department of Immunology and Microbiology, The Scripps Research Institute, San Diego, California, USA
| | - Mona Ståhle
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden
| | - Qing-Sheng Mi
- Department of Dermatology, Center for Cutaneous Biology and Immunology Research, Henry Ford Health System, Detroit, Michigan, USA; Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, Michigan, USA
| | - Li Zhou
- Department of Dermatology, Center for Cutaneous Biology and Immunology Research, Henry Ford Health System, Detroit, Michigan, USA; Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, Michigan, USA
| | - Ning Xu Landén
- Dermatology and Venereology Division, Department of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden; Ming Wai Lau Centre for Reparative Medicine, Stockholm node, Karolinska Institute, Stockholm, Sweden.
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Yang HY, Fierro F, So M, Yoon DJ, Nguyen AV, Gallegos A, Bagood MD, Rojo-Castro T, Alex A, Stewart H, Chigbrow M, Dasu MR, Peavy TR, Soulika AM, Nolta JA, Isseroff RR. Combination product of dermal matrix, human mesenchymal stem cells, and timolol promotes diabetic wound healing in mice. Stem Cells Transl Med 2020; 9:1353-1364. [PMID: 32720751 DOI: 10.1002/sctm.19-0380] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 05/21/2020] [Accepted: 06/10/2020] [Indexed: 12/17/2022] Open
Abstract
Diabetic foot ulcers are a major health care concern with limited effective therapies. Mesenchymal stem cell (MSC)-based therapies are promising treatment options due to their beneficial effects of immunomodulation, angiogenesis, and other paracrine effects. We investigated whether a bioengineered scaffold device containing hypoxia-preconditioned, allogeneic human MSCs combined with the beta-adrenergic antagonist timolol could improve impaired wound healing in diabetic mice. Different iterations were tested to optimize the primary wound outcome, which was percent of wound epithelialization. MSC preconditioned in 1 μM timolol at 1% oxygen (hypoxia) seeded at a density of 2.5 × 105 cells/cm2 on Integra Matrix Wound Scaffold (MSC/T/H/S) applied to wounds and combined with daily topical timolol applications at 2.9 mM resulted in optimal wound epithelialization 65.6% (24.9% ± 13.0% with MSC/T/H/S vs 41.2% ± 20.1%, in control). Systemic absorption of timolol was below the HPLC limit of quantification, suggesting that with the 7-day treatment, accumulative steady-state timolol concentration is minimal. In the early inflammation stage of healing, the MSC/T/H/S treatment increased CCL2 expression, lowered the pro-inflammatory cytokines IL-1B and IL6 levels, decreased neutrophils by 44.8%, and shifted the macrophage ratio of M2/M1 to 1.9 in the wound, demonstrating an anti-inflammatory benefit. Importantly, expression of the endothelial marker CD31 was increased by 2.5-fold with this treatment. Overall, the combination device successfully improved wound healing and reduced the wound inflammatory response in the diabetic mouse model, suggesting that it could be translated to a therapy for patients with diabetic chronic wounds.
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Affiliation(s)
- Hsin-Ya Yang
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Fernando Fierro
- Department of Cell Biology and Human Anatomy, University of California, Davis, Sacramento, California, USA.,Stem Cell Program, Department of Internal Medicine, University of California, Davis, Davis, California, USA
| | - Michelle So
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Daniel J Yoon
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Alan Vu Nguyen
- Department of Dermatology, University of California, Davis, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine, Shriners Hospital for Children Northern California, Sacramento, California, USA
| | - Anthony Gallegos
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Michelle D Bagood
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Tomas Rojo-Castro
- Department of Biological Sciences, California State University, Sacramento, Sacramento, California, USA
| | - Alan Alex
- Department of Biological Sciences, California State University, Sacramento, Sacramento, California, USA
| | - Heather Stewart
- Stem Cell Program, Department of Internal Medicine, University of California, Davis, Davis, California, USA
| | - Marianne Chigbrow
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Mohan R Dasu
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Thomas R Peavy
- Department of Biological Sciences, California State University, Sacramento, Sacramento, California, USA
| | - Athena M Soulika
- Department of Dermatology, University of California, Davis, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine, Shriners Hospital for Children Northern California, Sacramento, California, USA
| | - Jan A Nolta
- Stem Cell Program, Department of Internal Medicine, University of California, Davis, Davis, California, USA
| | - R Rivkah Isseroff
- Department of Dermatology, University of California, Davis, Sacramento, California, USA.,Dermatology Section, VA Northern California Health Care System, Mather, California, USA
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Wang A, Toma MA, Ma J, Li D, Vij M, Chu T, Wang J, Li X, Xu Landén N. Circular RNA hsa_circ_0084443 Is Upregulated in Diabetic Foot Ulcer and Modulates Keratinocyte Migration and Proliferation. Adv Wound Care (New Rochelle) 2020; 9:145-160. [PMID: 32117579 DOI: 10.1089/wound.2019.0956] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 07/12/2019] [Indexed: 12/15/2022] Open
Abstract
Objective: Insufficient knowledge about the molecular pathology of diabetic foot ulcer (DFU) impedes the development of effective wound treatment. Circular RNAs (circRNAs) are a novel class of RNA recently discovered to be widely expressed and have important biological functions; however, their role in skin wound healing remains largely unexplored. In this study, we investigated the role of circRNAs in DFU. Approach: CircRNA expression was profiled in normal wounds (NWs) and DFUs by microarray analysis, and hsa_circ_0084443 was identified as differentially expressed. The circularity and subcellular localization of hsa_circ_0084443 were characterized by northern blotting, real-time PCR, and fluorescence in situ hybridization. Cell migration, cell growth, and the transcriptome of human primary keratinocytes were analyzed after overexpression or RNA interference of hsa_circ_0084443. Results: hsa_circ_0084443 is downregulated in NWs compared with intact skin, and its level is higher in DFUs than NWs. We confirmed its circularity and presence in the cytoplasm of human epidermal keratinocytes. We showed that hsa_circ_0084443 reduced motility while enhancing the growth of keratinocytes. Furthermore, we identified a gene network with the potential to mediate the biological effect of hsa_circ_0084443. Innovation: CircRNAs have a functional role and a potential clinical significance in skin wound healing. Conclusions: We identified hsa_circ_0084443, a circRNA downregulated during NW healing, as a negative regulator of keratinocyte migration. Higher levels of hsa_circ_0084443 were detected in DFU samples, suggesting that it plays a role in pathology. These findings pave the way to understanding the functional role of circRNAs in human skin wound healing.
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Affiliation(s)
- Aoxue Wang
- Department of Dermatology, The Second Hospital of Dalian Medical University, College of Integrative Medicine, Dalian Medical University, Dalian, China
| | - Maria A. Toma
- Dermatology and Venereology Unit, Department of Medicine (Solna), Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jingxin Ma
- Department of Cell Biology, Dalian Medical University, Dalian, China
| | - Dongqing Li
- Dermatology and Venereology Unit, Department of Medicine (Solna), Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Manika Vij
- Dermatology and Venereology Unit, Department of Medicine (Solna), Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Tongbin Chu
- Department of Wound Regeneration, The Second Hospital of Dalian Medical University, Dalian, China
| | - Jing Wang
- Department of Dermatology, The Second Hospital of Dalian Medical University, College of Integrative Medicine, Dalian Medical University, Dalian, China
| | - Xi Li
- Dermatology and Venereology Unit, Department of Medicine (Solna), Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ning Xu Landén
- Dermatology and Venereology Unit, Department of Medicine (Solna), Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Ming Wai Lau Centre for Reparative Medicine, Stockholm Node, Karolinska Institutet, Stockholm, Sweden
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Histatin1-modified thiolated chitosan hydrogels enhance wound healing by accelerating cell adhesion, migration and angiogenesis. Carbohydr Polym 2020; 230:115710. [DOI: 10.1016/j.carbpol.2019.115710] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 11/25/2019] [Accepted: 12/05/2019] [Indexed: 12/11/2022]
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45
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Rakita A, Nikolić N, Mildner M, Matiasek J, Elbe-Bürger A. Re-epithelialization and immune cell behaviour in an ex vivo human skin model. Sci Rep 2020; 10:1. [PMID: 31913322 PMCID: PMC6959339 DOI: 10.1038/s41598-019-56847-4] [Citation(s) in RCA: 5075] [Impact Index Per Article: 1268.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 12/10/2019] [Indexed: 02/06/2023] Open
Abstract
A large body of literature is available on wound healing in humans. Nonetheless, a standardized ex vivo wound model without disruption of the dermal compartment has not been put forward with compelling justification. Here, we present a novel wound model based on application of negative pressure and its effects for epidermal regeneration and immune cell behaviour. Importantly, the basement membrane remained intact after blister roof removal and keratinocytes were absent in the wounded area. Upon six days of culture, the wound was covered with one to three-cell thick K14+Ki67+ keratinocyte layers, indicating that proliferation and migration were involved in wound closure. After eight to twelve days, a multi-layered epidermis was formed expressing epidermal differentiation markers (K10, filaggrin, DSG-1, CDSN). Investigations about immune cell-specific manners revealed more T cells in the blister roof epidermis compared to normal epidermis. We identified several cell populations in blister roof epidermis and suction blister fluid that are absent in normal epidermis which correlated with their decrease in the dermis, indicating a dermal efflux upon negative pressure. Together, our model recapitulates the main features of epithelial wound regeneration, and can be applied for testing wound healing therapies and investigating underlying mechanisms.
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Affiliation(s)
- Ana Rakita
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Nenad Nikolić
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Michael Mildner
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Johannes Matiasek
- Department of Plastic, Aesthetic and Reconstructive Surgery, St. Josef Hospital, Vienna, Austria
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Ban E, Jeong S, Park M, Kwon H, Park J, Song EJ, Kim A. Accelerated wound healing in diabetic mice by miRNA-497 and its anti-inflammatory activity. Biomed Pharmacother 2020; 121:109613. [DOI: 10.1016/j.biopha.2019.109613] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/25/2019] [Accepted: 10/26/2019] [Indexed: 12/15/2022] Open
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Shukla SK, Sharma AK, Gupta V, Yashavarddhan MH. Pharmacological control of inflammation in wound healing. J Tissue Viability 2019; 28:218-222. [PMID: 31542301 DOI: 10.1016/j.jtv.2019.09.002] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 08/02/2019] [Accepted: 09/13/2019] [Indexed: 12/11/2022]
Abstract
Wound inflammation is a rapid and highly orchestrated process that significantly impacts the wound healing cascade. Consequent to injury, a series of events set off that include inflammatory, proliferation and maturation phases leading to wound closure and restoration of normal skin integrity. Stimuli causing stress to host immune system or induce inflammatory response include tissue damage and pathogenic microbial infection.Several evidences points towards the positive role of inflammation as it essential to fight against the attack of invading pathogens and to remove dead tissues from the site of injury. Besides its positive role, prolonged inflammation is injurious and may result in deregulated stages of the wound healing which may lead to excessive scarring. Achieving balance in inflammatory cascade is one of the challenging tasks for development of a wound healing drug. This review mainly focuses on the pharmacological control of inflammation by agents which critically balance the inflammatory cascade. However, none of the agent is available in the healthcare market which exclusively plays a role in wound repair. In this review we shall explore different factors or agents affecting inflammation in wound healing. This information might be helpful in designing and development new process, technologies or drugs for better management of wound care. In addition, understanding the effect of inflammation on the outcome of the healing process will serve as a significant milestone in the area of pathological tissue repair.
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Affiliation(s)
| | - Ajay Kumar Sharma
- Institute of Nuclear Medicine and Allied Sciences, DRDO, Delhi, India
| | - Vanya Gupta
- Graphic Era Deemed to be University, Uttarakhand, India
| | - M H Yashavarddhan
- Defence Institute of Physiology and Allied Sciences, DRDO, Delhi, India
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Chouhan D, Dey N, Bhardwaj N, Mandal BB. Emerging and innovative approaches for wound healing and skin regeneration: Current status and advances. Biomaterials 2019; 216:119267. [DOI: 10.1016/j.biomaterials.2019.119267] [Citation(s) in RCA: 161] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 05/25/2019] [Accepted: 06/08/2019] [Indexed: 12/17/2022]
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Ghasemi A, Hashemy SI, Azimi-Nezhad M, Dehghani A, Saeidi J, Mohtashami M. The cross-talk between adipokines and miRNAs in health and obesity-mediated diseases. Clin Chim Acta 2019; 499:41-53. [PMID: 31476303 DOI: 10.1016/j.cca.2019.08.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 08/28/2019] [Accepted: 08/28/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Multiple studies have revealed a direct correlation between obesity and the development of multiple comorbidities, including metabolic diseases, cardiovascular disorders, chronic inflammatory disease, and cancers. However, the molecular mechanism underlying the link between obesity and the progression of these diseases is not completely understood. Adipokines are factors that are secreted by adipocytes and play a key role in whole body homeostasis. Collaboratively, miRNAs are suggested to have key functions in the development of obesity and obesity-related disorders. Based on recently emerging evidence, obesity leads to the dysregulation of both adipokines and obesity-related miRNAs. In the present study, we described the correlations between obesity and its related diseases that are mediated by the mutual regulatory effects of adipokines and miRNAs. METHODS We reviewed current knowledge of the modulatory effects of adipokines on miRNAs activity and their relevant functions in pathological conditions and vice versa. RESULTS Our research reveals the ability of adipokines and miRNAs to control the expression and activity of the other class of molecules, and their effects on obesity-related diseases. CONCLUSIONS This study may help researchers develop a roadmap for future investigations and provide opportunities to develop new therapeutic and diagnostic methods for treating obesity-related diseases.
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Affiliation(s)
- Ahmad Ghasemi
- Non-communicable Disease Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
| | - Seyed Isaac Hashemy
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Mohsen Azimi-Nezhad
- Non-communicable Disease Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran; UMR INSERM U 1122, IGE-PCV, Interactions Gène-Environment en Physiopathologie Cardiovascular Université de Lorraine, France
| | - Alireza Dehghani
- Institute of Biochemistry and Molecular Biology, University of Bonn, Bonn, Germany
| | - Jafar Saeidi
- Department of Physiology, School of Basic Science, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
| | - Mahnaz Mohtashami
- Department of Biology, School of Basic Science, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
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50
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Wu J, Li X, Li D, Ren X, Li Y, Herter EK, Qian M, Toma MA, Wintler AM, Sérézal IG, Rollman O, Ståhle M, Wikstrom JD, Ye X, Landén NX. MicroRNA-34 Family Enhances Wound Inflammation by Targeting LGR4. J Invest Dermatol 2019; 140:465-476.e11. [PMID: 31376385 DOI: 10.1016/j.jid.2019.07.694] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 06/18/2019] [Accepted: 07/16/2019] [Indexed: 12/20/2022]
Abstract
Venous ulcers are the most common type of human chronic nonhealing wounds and are stalled in a constant and excessive inflammatory state. The molecular mechanisms underlying the chronic wound inflammation remain elusive. Moreover, little is known about the role of regulatory RNAs, such as microRNAs, in the pathogenesis of venous ulcers. We found that both microRNA (miR)-34a and miR-34c were upregulated in the wound-edge epidermal keratinocytes of venous ulcers compared with normal wounds or the skin. In keratinocytes, miR-34a and miR-34c promoted inflammatory chemokine and cytokine production. In wounds of wild-type mice, miR-34a-mimic treatment enhanced inflammation and delayed healing. To further explore how miR-34 functions, LGR4 was identified as a direct target mediating the proinflammatory function of miR-34a and miR-34c. Interestingly, impaired wound closure with enhanced inflammation was also observed in Lgr4 knockout mice. Mechanistically, the miR-34-LGR4 axis regulated GSK-3β-induced p65 serine 468 phosphorylation, changing the activity of the NF-κB signaling pathway. Collectively, the miR-34-LGR4 axis was shown to regulate keratinocyte inflammatory response, the deregulation of which may play a pathological role in venous ulcers.
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Affiliation(s)
- Jianmin Wu
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China; Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden.
| | - Xi Li
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden
| | - Dongqing Li
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden
| | - Xiaolin Ren
- Institute of Biomedical Science and School of Life Science, East China Normal University, Shanghai, China
| | - Yijuan Li
- Institute of Biomedical Science and School of Life Science, East China Normal University, Shanghai, China
| | - Eva K Herter
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden
| | - Mengyao Qian
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China
| | - Maria-Alexandra Toma
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden
| | - Anna-Maria Wintler
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden
| | - Irène Gallais Sérézal
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden; Dermato-Venereology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - Ola Rollman
- Department of Dermatology, Academic University Hospital, Uppsala, Sweden
| | - Mona Ståhle
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden; Dermato-Venereology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - Jakob D Wikstrom
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden; Dermato-Venereology Clinic, Karolinska University Hospital, Stockholm, Sweden.
| | - Xiyun Ye
- Institute of Biomedical Science and School of Life Science, East China Normal University, Shanghai, China.
| | - Ning Xu Landén
- Dermatology and Venereology Division, Department of Medicine (Solna), Karolinska Institute, Stockholm, Sweden; Ming Wai Lau Centre for Reparative Medicine, Stockholm node, Karolinska Institute, Stockholm, Sweden.
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