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Chen B, Xu Y, Tian F, Liu Y, Yi J, Ouyang Y, Zeng F, Peng Y, Liu B. Buyang Huanwu decoction promotes angiogenesis after cerebral ischemia through modulating caveolin-1-mediated exosome MALAT1/YAP1/HIF-1α axis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 129:155609. [PMID: 38677273 DOI: 10.1016/j.phymed.2024.155609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/01/2024] [Accepted: 04/07/2024] [Indexed: 04/29/2024]
Abstract
BACKGROUND Angiogenesis is an effective method for promoting neurological function recovery after cerebral ischemia (CI). Buyang Huanwu decoction (BHD) is a traditional Chinese medicinal recipe that is frequently employed for CI treatment. Previous investigations have validated that it promotes angiogenesis following CI. Nevertheless, the precise mechanism by which it does this has yet to be completely understood. OBJECTIVE This study aims to examine the underlying mechanism through which BHD facilitates angiogenesis following CI by regulating the exosomal MALAT1/YAP1/HIF-1α signaling axis, specifically via the involvement of caveolin-1 (Cav1), an endocytosis-associated protein. METHODS A CI model was created using middle cerebral artery occlusion (MCAO). Following the administration of multiple doses of BHD, various parameters, including the neurobehavioral score, pathological damage, and angiogenesis, were assessed in each group of mice to identify the optimal dosage of BHD for treating CI. The molecular processes underlying the angiogenic implications of BHD following CI were investigated exhaustively by employing single-cell sequencing. Finally, the involvement of Cav1 was confirmed in Cav1 knockout mice and Cav1-silenced stably transfected strains to validate the mechanism by which BHD increases angiogenesis following CI. RESULTS BHD could promote angiogenesis after CI. Single-cell sequencing results suggested that its potential mechanism of action might be connected with Cav1 and the exosomal MALAT1/YAP1/HIF-1α signaling axis. BHD could promote angiogenesis after CI by regulating the exosomal MALAT1/YAP1/HIF-1α axis through Cav1, as validated in vivo and in vitro experiments. Accordingly, Cav1 may be a key target of BHD in promoting angiogenesis after CI. CONCLUSION This investigation represents the initial attempt to comprehensively ascertain the underlying mechanism of action of BHD in treating CI using single-cell sequencing, gene-knockout mice, and stable transfected cell lines, potentially associated with the modulation of the exosomal MALAT1/YAP1/HIF-1α axis by Cav1. Our findings offer novel empirical evidence for unraveling the regulatory pathways through which Cav1 participates in angiogenesis following CI and shed light on the potential mechanisms of BHD.
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Affiliation(s)
- Bowei Chen
- The First Hospital of Hunan University of Chinese Medicine, Changsha 410007, China
| | - Yaqian Xu
- The First Hospital of Hunan University of Chinese Medicine, Changsha 410007, China
| | - Fengming Tian
- The First Hospital of Hunan University of Chinese Medicine, Changsha 410007, China
| | - Yingfei Liu
- The First Hospital of Hunan University of Chinese Medicine, Changsha 410007, China
| | - Jian Yi
- The First Hospital of Hunan University of Chinese Medicine, Changsha 410007, China; Hunan Academy of Chinese Medicine, Changsha 410006, China
| | - Yin Ouyang
- The First Hospital of Hunan University of Chinese Medicine, Changsha 410007, China
| | - Fanzuo Zeng
- The First Hospital of Hunan University of Chinese Medicine, Changsha 410007, China
| | - Yanmei Peng
- Hunan Academy of Chinese Medicine, Changsha 410006, China
| | - Baiyan Liu
- Hunan Academy of Chinese Medicine, Changsha 410006, China.
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Han X, Saengow C, Ju L, Ren W, Ewoldt RH, Irudayaraj J. Exosome-coated oxygen nanobubble-laden hydrogel augments intracellular delivery of exosomes for enhanced wound healing. Nat Commun 2024; 15:3435. [PMID: 38653959 DOI: 10.1038/s41467-024-47696-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 04/09/2024] [Indexed: 04/25/2024] Open
Abstract
Wound healing is an obvious clinical concern that can be hindered by inadequate angiogenesis, inflammation, and chronic hypoxia. While exosomes derived from adipose tissue-derived stem cells have shown promise in accelerating healing by carrying therapeutic growth factors and microRNAs, intracellular cargo delivery is compromised in hypoxic tissues due to activated hypoxia-induced endocytic recycling. To address this challenge, we have developed a strategy to coat oxygen nanobubbles with exosomes and incorporate them into a polyvinyl alcohol/gelatin hybrid hydrogel. This approach not only alleviates wound hypoxia but also offers an efficient means of delivering exosome-coated nanoparticles in hypoxic conditions. The self-healing properties of the hydrogel, along with its component, gelatin, aids in hemostasis, while its crosslinking bonds facilitate hydrogen peroxide decomposition, to ameliorate wound inflammation. Here, we show the potential of this multifunctional hydrogel for enhanced healing, promoting angiogenesis, facilitating exosome delivery, mitigating hypoxia, and inhibiting inflammation in a male rat full-thickness wound model.
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Affiliation(s)
- Xiaoxue Han
- Department of Bioengineering, 1102 Everitt Lab, 1406 W. Green St., University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
- Biomedical Research Center, Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL, 61801, USA
- Cancer Center at Illinois, Beckman Institute, Urbana, IL, 61801, USA
- Holonyak Micro and Nanotechnology Laboratory, Carle R. Woese Institute for Genomic Biology, Urbana, IL, 61801, USA
| | - Chaimongkol Saengow
- Cancer Center at Illinois, Beckman Institute, Urbana, IL, 61801, USA
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Leah Ju
- Department of Bioengineering, 1102 Everitt Lab, 1406 W. Green St., University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
- Biomedical Research Center, Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL, 61801, USA
| | - Wen Ren
- Department of Bioengineering, 1102 Everitt Lab, 1406 W. Green St., University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
- Biomedical Research Center, Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL, 61801, USA
| | - Randy H Ewoldt
- Cancer Center at Illinois, Beckman Institute, Urbana, IL, 61801, USA
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Joseph Irudayaraj
- Department of Bioengineering, 1102 Everitt Lab, 1406 W. Green St., University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
- Biomedical Research Center, Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL, 61801, USA.
- Cancer Center at Illinois, Beckman Institute, Urbana, IL, 61801, USA.
- Holonyak Micro and Nanotechnology Laboratory, Carle R. Woese Institute for Genomic Biology, Urbana, IL, 61801, USA.
- Carle Illinois College of Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
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Cheng Y, Liu G. Trends in Adipose-Derived Stem Cell-Conditioned Medium: A Bibliometric and Visualized Review. TISSUE ENGINEERING. PART B, REVIEWS 2024; 30:145-157. [PMID: 37534850 DOI: 10.1089/ten.teb.2023.0107] [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: 08/04/2023]
Abstract
Adipose-derived stem cell-conditioned medium (ADSC-CM) has been widely studied and used as a stem cell-based cell-free therapy. Due to the explosion of scientific publications in this field, it is difficult to review all relevant publications systematically, not mention quantitively. In this study, we combined bibliometrics with the conventional review method to summarize, analyze, and visualize the characteristics of nearly all published articles related to ADSC-CM using CiteSpace-a bibliometrics software. We applied this software to quantitively and vividly show (a) annual publications and citations; (b) distributions and co-occurrence networks of countries/regions, authors, journals, and institutions; (c) keyword co-occurrence networks and clusters in different time periods; (d) cocitation networks of references; and (e) ongoing challenges and new topics in ADSC-CM. Altogether, we found that ADSC-CM is at a hot stage with an increasing number of publications and citations, extensive and close scientific collaborations, and dense cocited networks. Impact statement To our best knowledge, it is the first bibliometric and visualized review in the field of adipose-derived stem cell-conditioned medium (ADSC-CM). This review systematically and quantitatively revealed the developments, challenges, and emerging hot spots of ADSC-CM, providing a panoramic view to assist researchers to decide the direction of their future study in the fields of ADSCs and CM derived from stem cells.
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Affiliation(s)
- Yu Cheng
- Department of Plastic and Reconstructive Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Guangpeng Liu
- Department of Plastic and Reconstructive Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
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Ranjbar FE, Ranjbar AE, Malekshahi ZV, Taghdiri-Nooshabadi Z, Faradonbeh DR, Youseflee P, Ghasemi S, Vatanparast M, Azim F, Nooshabadi VT. Bone tissue regeneration by 58S bioactive glass scaffolds containing exosome: an in vivo study. Cell Tissue Bank 2024; 25:389-400. [PMID: 38159136 DOI: 10.1007/s10561-023-10120-1] [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: 06/07/2023] [Accepted: 11/14/2023] [Indexed: 01/03/2024]
Abstract
Exosomes, the naturally secreted nanocarriers of cells, have recently been demonstrated to have therapeutic benefits in a variety of disease models where parent cells are not present. However, the use of exosomes in bone defect regeneration has been unusual, and little is documented about the underlying processes. In recent study we produced and characterized exosomes derived human endometrial mesenchymal stem stromal cells and 58S bioactive glass scaffolds; in following, in this research exosome loaded scaffolds synthetized and release of exosome, porosity and bioactivity of them were assessed. More over the effect of scaffolds on repair of critical-size bone defects in rat's calvaria was evaluated by histological examination and micro computed tomography (µ CT). The findings confirmed that constructed porous scaffolds consistently release exosomes; additionally, in vivo findings including Hematoxilin & Eosin staining, Immunohistochemistry, Masson's trichrome, histomorphometric analysis, and µ CT clarified that our implant has osteogenic properties. We discovered that Exo-treated scaffolds might promote osteogenesis especially compared to pure scaffolds, indicating that produced scaffolds containing exosomes could be a potential replacement in bone tissue engineering.
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Affiliation(s)
- Faezeh Esmaeili Ranjbar
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Afsaneh Esmaeili Ranjbar
- Emergency Department, Ali Ebn Abitaleb Hospital, Faculty of medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Ziba Veisi Malekshahi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Davood Rabiei Faradonbeh
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Pouya Youseflee
- Medical student, Student Research Committee, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Sahar Ghasemi
- Medical student, Student Research Committee, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Mahboubeh Vatanparast
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Fazli Azim
- Isolation Hospital & Infections Treatment Center (IHITC), MNHSR&C, Islamabad, Pakistan
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Muskan M, Abeysinghe P, Cecchin R, Branscome H, Morris KV, Kashanchi F. Therapeutic potential of RNA-enriched extracellular vesicles: The next generation in RNA delivery via biogenic nanoparticles. Mol Ther 2024:S1525-0016(24)00094-7. [PMID: 38414242 DOI: 10.1016/j.ymthe.2024.02.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/21/2024] [Accepted: 02/24/2024] [Indexed: 02/29/2024] Open
Abstract
Exosomes are extracellular vesicles (EVs) (∼50-150 nm) that have emerged as promising vehicles for therapeutic applications and drug delivery. These membrane-bound particles, released by all actively dividing cells, have the ability to transfer effector molecules, including proteins, RNA, and even DNA, from donor cells to recipient cells, thereby modulating cellular responses. RNA-based therapeutics, including microRNAs, messenger RNAs, long non-coding RNAs, and circular RNAs, hold great potential in controlling gene expression and treating a spectrum of medical conditions. RNAs encapsulated in EVs are protected from extracellular degradation, making them attractive for therapeutic applications. Understanding the intricate biology of cargo loading and transfer within EVs is pivotal to unlocking their therapeutic potential. This review discusses the biogenesis and classification of EVs, methods for loading RNA into EVs, their advantages as drug carriers over synthetic-lipid-based systems, and the potential applications in treating neurodegenerative diseases, cancer, and viral infections. Notably, EVs show promise in delivering RNA cargo across the blood-brain barrier and targeting tumor cells, offering a safe and effective approach to RNA-based therapy in these contexts.
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Affiliation(s)
- Muskan Muskan
- School of Pharmacy and Medical Science, Griffith University, Gold Coast Campus, Southport, QLD 4222, Australia
| | - Pevindu Abeysinghe
- Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology, Kelvin Grove, QLD 4059, Australia
| | - Riccardo Cecchin
- School of Pharmacy and Medical Science, Griffith University, Gold Coast Campus, Southport, QLD 4222, Australia
| | - Heather Branscome
- George Mason University, School of Systems Biology, Fairfax, VA 22030, USA
| | - Kevin V Morris
- Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology, Kelvin Grove, QLD 4059, Australia.
| | - Fatah Kashanchi
- George Mason University, School of Systems Biology, Fairfax, VA 22030, USA.
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Feng J, Yao Y, Wang Q, Han X, Deng X, Cao Y, Chen X, Zhou M, Zhao C. Exosomes: Potential key players towards novel therapeutic options in diabetic wounds. Biomed Pharmacother 2023; 166:115297. [PMID: 37562235 DOI: 10.1016/j.biopha.2023.115297] [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: 06/08/2023] [Revised: 07/31/2023] [Accepted: 08/05/2023] [Indexed: 08/12/2023] Open
Abstract
Diabetic wounds are usually difficult to heal, and wounds in foot in particular are often aggravated by infection, trauma, diabetic neuropathy, peripheral vascular disease and other factors, resulting in serious foot ulcers. The pathogenesis and clinical manifestations of diabetic wounds are complicated, and there is still a lack of objective and in-depth laboratory diagnosis and classification standards. Exosomes are nanoscale vesicles containing DNA, mRNA, microRNA, cyclic RNA, metabolites, lipids, cytoplasm and cell surface proteins, etc., which are involved in intercellular communication and play a crucial role in vascular regeneration, tissue repair and inflammation regulation in the process of diabetic wound healing. Here, we discussed exosomes of different cellular origins, such as diabetic wound-related fibroblasts (DWAF), adipose stem cells (ASCs), mesenchymal stem cells (MSCs), immune cells, platelets, human amniotic epithelial cells (hAECs), epidermal stem cells (ESCs), and their various molecular components. They exhibit multiple therapeutic effects during diabetic wound healing, including promoting cell proliferation and migration associated with wound healing, regulating macrophage polarization to inhibit inflammatory responses, promoting nerve repair, and promoting vascular renewal and accelerating wound vascularization. In addition, exosomes can be designed to deliver different therapeutic loads and have the ability to deliver them to the desired target. Therefore, exosomes may become an innovative target for precision therapeutics in diabetic wounds. In this review, we summarize the latest research on the role of exosomes in the healing of diabetic wound by regulating the pathogenesis of diabetic wounds, and discuss their potential applications in the precision treatment of diabetic wounds.
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Affiliation(s)
- Jiawei Feng
- Shanghai Traditional Chinese Medicine Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Yichen Yao
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qixue Wang
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiaozhou Han
- 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 Afflicted to Fudan University, Shanghai, China.
| | - Mingmei Zhou
- 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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Kong X, Patel NA, Chalfant CE, Cooper DR. Ceramide synthesis regulates biogenesis and packaging of exosomal MALAT1 from adipose derived stem cells, increases dermal fibroblast migration and mitochondrial function. Cell Commun Signal 2023; 21:221. [PMID: 37620957 PMCID: PMC10463839 DOI: 10.1186/s12964-022-00900-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 05/17/2022] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND The function of exosomes, small extracellular vesicles (sEV) secreted from human adipose-derived stem cells (ADSC), is becoming increasingly recognized as a means of transferring the regenerative power of stem cells to injured cells in wound healing. Exosomes are rich in ceramides and long noncoding RNA (lncRNA) like metastasis-associated lung adenocarcinoma transcript 1 (MALAT1). We identified putative ceramide responsive cis-elements (CRCE) in MALAT1. We hypothesized that CRCE respond to cellular ceramide levels to regulate sEV MALAT1 packaging. MALAT1 levels by many cells exceed those of protein coding genes and it's expression is equally high in exosomes. Ceramide also regulates exosome synthesis, however, the contents of exosome cargo via sphingomyelinase and ceramide synthase pathways has not been demonstrated. METHODS ADSC were treated with an inhibitor of sphingomyelinase, GW4869, and stimulators of ceramide synthesis, C2- and C6-short chain ceramides, prior to collection of conditioned media (CM). sEV were isolated from CM, and then used to treat human dermal fibroblast (HDF) cultures in cell migration scratch assays, and mitochondrial stress tests to evaluate oxygen consumption rates (OCR). RESULTS Inhibition of sphingomyelinase by treatment of ADSC with GW4869 lowered levels of MALAT1 in small EVs. Stimulation of ceramide synthesis using C2- and C6- ceramides increased cellular, EVs levels of MALAT1. The functional role of sEV MALAT1 was evaluated in HDF by applying EVs to HDF. Control sEV increased migration of HDF, and significantly increased ATP production, basal and maximal respiration OCR. sEV from GW4869-treated ADSC inhibited cell migration and maximal respiration. However, sEV from C2- and C6-treated cells, respectively, increased both functions but not significantly above control EV except for maximal respiration. sEV were exosomes except when ADSC were treated with GW4869 and C6-ceramide, then they were larger and considered microvesicles. CONCLUSIONS Ceramide synthesis regulates MALAT1 EV content. Sphingomyelinase inhibition blocked MALAT1 from being secreted from ADSC EVs. Our report is consistent with those of MALAT1 increasing cell migration and mitochondrial MALAT1 altering maximal respiration in cells. Since MALAT1 is important for exosome function, it stands that increased exosomal MALAT1 should be beneficial for wound healing as shown with these assays. Video Abstract.
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Affiliation(s)
- Xaioyuan Kong
- Department of Veterans Affairs, J.A. Haley Veterans Hospital, Research Service 151, Tampa, Fl 33711 USA
| | - Niketa A. Patel
- Department of Veterans Affairs, J.A. Haley Veterans Hospital, Research Service 151, Tampa, Fl 33711 USA
- Department of Molecular Medicine, Morsani College of Medicine, Tampa, USA
| | - Charles E. Chalfant
- Department of Veterans Affairs, J.A. Haley Veterans Hospital, Research Service 151, Tampa, Fl 33711 USA
- Department of Cellular Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, FL 33612 USA
| | - Denise R. Cooper
- Department of Veterans Affairs, J.A. Haley Veterans Hospital, Research Service 151, Tampa, Fl 33711 USA
- Department of Molecular Medicine, Morsani College of Medicine, Tampa, USA
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Wang Z, Knight R, Stephens P, Ongkosuwito EM, Wagener FADTG, Von den Hoff JW. Stem cells and extracellular vesicles to improve preclinical orofacial soft tissue healing. Stem Cell Res Ther 2023; 14:203. [PMID: 37580820 PMCID: PMC10426149 DOI: 10.1186/s13287-023-03423-3] [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: 10/10/2022] [Accepted: 07/20/2023] [Indexed: 08/16/2023] Open
Abstract
Orofacial soft tissue wounds caused by surgery for congenital defects, trauma, or disease frequently occur leading to complications affecting patients' quality of life. Scarring and fibrosis prevent proper skin, mucosa and muscle regeneration during wound repair. This may hamper maxillofacial growth and speech development. To promote the regeneration of injured orofacial soft tissue and attenuate scarring and fibrosis, intraoral and extraoral stem cells have been studied for their properties of facilitating maintenance and repair processes. In addition, the administration of stem cell-derived extracellular vesicles (EVs) may prevent fibrosis and promote the regeneration of orofacial soft tissues. Applying stem cells and EVs to treat orofacial defects forms a challenging but promising strategy to optimize treatment. This review provides an overview of the putative pitfalls, promises and the future of stem cells and EV therapy, focused on orofacial soft tissue regeneration.
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Affiliation(s)
- Zhihao Wang
- Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, 6525EX, Nijmegen, The Netherlands
| | - Rob Knight
- Stein Eye Institute, University of California Los Angeles, Los Angeles, CA, USA
| | - Phil Stephens
- Advanced Therapeutics Group, School of Dentistry, Cardiff University, Cardiff, Wales, UK
| | - E M Ongkosuwito
- Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, 6525EX, Nijmegen, The Netherlands
| | - Frank A D T G Wagener
- Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, 6525EX, Nijmegen, The Netherlands
| | - Johannes W Von den Hoff
- Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, 6525EX, Nijmegen, The Netherlands.
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Lee DH, Bhang SH. Development of Hetero-Cell Type Spheroids Via Core-Shell Strategy for Enhanced Wound Healing Effect of Human Adipose-Derived Stem Cells. Tissue Eng Regen Med 2023; 20:581-591. [PMID: 36708468 PMCID: PMC10313618 DOI: 10.1007/s13770-022-00512-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/30/2022] [Accepted: 12/12/2022] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Stem cell-based therapies have been developed to treat various types of wounds. Human adipose-derived stem cells (hADSCs) are used to treat skin wounds owing to their outstanding angiogenic potential. Although recent studies have suggested that stem cell spheroids may help wound healing, their cell viability and retention rate in the wound area require improvement to enhance their therapeutic efficacy. METHODS We developed a core-shell structured spheroid with hADSCs in the core and human dermal fibroblasts (hDFs) in the outer part of the spheroid. The core-shell structure was formed by continuous centrifugation and spheroid incubation. After optimizing the method for inducing uniform-sized core-shell spheroids, cell viability, cell proliferation, migration, and therapeutic efficacy were evaluated and compared to those of conventional spheroids. RESULTS Cell proliferation, migration, and involucrin expression were evaluated in keratinocytes. Tubular assays in human umbilical vein endothelial cells were used to confirm the improved skin regeneration and angiogenic efficacy of core-shell spheroids. Core-shell spheroids exhibited exceptional cell viability under hypoxic cell culture conditions that mimicked the microenvironment of the wound area. CONCLUSION The improvement in retention rate, survival rate, and angiogenic growth factors secretion from core-shell spheroids may contribute to the increased therapeutic efficacy of stem cell treatment for skin wounds.
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Affiliation(s)
- Dong-Hyun Lee
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi, 16419, South Korea
| | - Suk Ho Bhang
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi, 16419, South Korea.
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Cai Y, Zhang F, Feng J, Wu B, Li H, Xiao S, Lu F, Wei Z, Deng C. Long-term follow-up and exploration of the mechanism of stromal vascular fraction gel in chronic wounds. Stem Cell Res Ther 2023; 14:163. [PMID: 37337292 DOI: 10.1186/s13287-023-03389-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 05/26/2023] [Indexed: 06/21/2023] Open
Abstract
BACKGROUND Chronic refractory wounds easily relapse and seriously affect the patients' quality of life. Previous studies have shown that stromal vascular fraction gel (SVF-gel) significantly promotes the early healing of chronic wounds; however, the mechanisms of SVF-gel function per se remain unclear, and a long-term follow-up is lacking. This study aims to explore the mechanisms of SVF-gel promoting the healing of chronic wounds and follow up the long-term efficacy of SVF-gel. METHODS Autologous SVF-gel transplantation was performed in 20 patients with chronic wounds (from March 2016 to September 2019), and the size of the wound before and after SVF-gel transplantation was observed. The conditioned medium (CM) was harvested from SVF-gel under serum-free, serum-deprivation and 10% fetal bovine serum (FBS) microenvironment in vitro, respectively. The concentration of the growth factors in the two kinds of gel-CM was tested, and their effects on the proliferation and migration of human dermal fibroblasts (HDFs) were detected. RESULTS All patients had 100% wound closure eventually, and the average time to complete closure was 28.3 ± 9.7 days. The time of follow-up ranged from 2 to 6 years, and there was no wound recurrence. Interestingly, the concentrations of epidermal growth factor and transforming growth factor β1 of the CM were higher in serum-free and serum-deprivation condition than in 10% FBS microenvironment (p < 0.05). Correspondingly, the proliferation and migration ability of HDFs treated with gel-CM from serum-free condition were stronger than those treated with gel-CM from serum-deprivation (2% FBS) or 10% FBS microenvironment (p < 0.05). CONCLUSION These results indicate that it is safe, effective, and lasting in effect to treat chronic wounds with SVF-gel and mechanisms of action that include secreting various cytokines and promoting cell proliferation and migration ability. TRIAL REGISTRATION Chinese Clinical Trail Registry, ChiCTR2000034624. Registered 12 July 2020-Retrospectively registered, http://www.chictr.org.cn/showproj.aspx?proj=56058.
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Affiliation(s)
- Yuan Cai
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, 563000, Guizhou, China
| | - Fang Zhang
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, 563000, Guizhou, China
| | - Jingwei Feng
- Department of Plastic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Bihua Wu
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, 563000, Guizhou, China
| | - Hai Li
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, 563000, Guizhou, China
| | - Shune Xiao
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, 563000, Guizhou, China
- The Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, China
| | - Feng Lu
- Department of Plastic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Zairong Wei
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, 563000, Guizhou, China.
- The Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, China.
| | - Chengliang Deng
- Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, 563000, Guizhou, China.
- The Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, China.
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Garima, Sharma D, Kumar A, Mostafavi E. Extracellular vesicle-based biovectors in chronic wound healing: Biogenesis and delivery approaches. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 32:822-840. [PMID: 37273778 PMCID: PMC10238601 DOI: 10.1016/j.omtn.2023.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/29/2023]
Abstract
Chronic wounds remain an unresolved medical issue because of major social and therapeutic repercussions that require extensive focus. Recent related theragnostic focuses only on wound management and is not effectively promoting chronic wound healing. The rising number of patients with either under-healing or over-healing wounds highlights the ineffectiveness of current wound-healing treatments, and thus, there is an unmet need to focus on alternative treatments. To cover this gap, extracellular vesicles (EVs), for targeted delivery of therapeutics, are emerging as a potential therapy to treat both acute and persistent wounds. To address these issues, we explore the core biology of EVs, associated pharmacology, comprehension of immunogenic outcomes, and potential for long-term wound treatment with improved effectiveness and their nonacceptable side effects. Additionally, the therapeutic role of EVs in severe wound infections through biogenetic moderation, in combination with biomaterials (functional in nature), as well as drug carriers that can offer opportunities for the development of new treatments for this long-term condition, are also carefully elaborated, with an emphasis on biomaterial-based drug delivery systems. It is observed that exploring difficulties and potential outcomes of clinical translation of EV-based therapeutics for wound management has the potential to be adopted as a future therapy.
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Affiliation(s)
- Garima
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
- M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
| | - Deepika Sharma
- Department of Pharmaceutical Sciences, School of Health Sciences and Technology, UPES, Dehradun, India
| | - Arun Kumar
- Department of Pharmacy, School of Health Sciences, Central University of South Bihar, Gaya 824209, India
| | - Ebrahim Mostafavi
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
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12
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Rodimova S, Mozherov A, Elagin V, Karabut M, Shchechkin I, Kozlov D, Krylov D, Gavrina A, Bobrov N, Zagainov V, Zagaynova E, Kuznetsova D. Effect of Hepatic Pathology on Liver Regeneration: The Main Metabolic Mechanisms Causing Impaired Hepatic Regeneration. Int J Mol Sci 2023; 24:ijms24119112. [PMID: 37298064 DOI: 10.3390/ijms24119112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 06/12/2023] Open
Abstract
Liver regeneration has been studied for many decades, and the mechanisms underlying regeneration of normal liver following resection are well described. However, no less relevant is the study of mechanisms that disrupt the process of liver regeneration. First of all, a violation of liver regeneration can occur in the presence of concomitant hepatic pathology, which is a key factor reducing the liver's regenerative potential. Understanding these mechanisms could enable the rational targeting of specific therapies to either reduce the factors inhibiting regeneration or to directly stimulate liver regeneration. This review describes the known mechanisms of normal liver regeneration and factors that reduce its regenerative potential, primarily at the level of hepatocyte metabolism, in the presence of concomitant hepatic pathology. We also briefly discuss promising strategies for stimulating liver regeneration and those concerning methods for assessing the regenerative potential of the liver, especially intraoperatively.
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Affiliation(s)
- Svetlana Rodimova
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
| | - Artem Mozherov
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
- Laboratory of Molecular Genetic Research, Institute of Clinical Medicine, N.I. Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Vadim Elagin
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
| | - Maria Karabut
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
| | - Ilya Shchechkin
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
- Laboratory of Molecular Genetic Research, Institute of Clinical Medicine, N.I. Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Dmitry Kozlov
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
- Laboratory of Molecular Genetic Research, Institute of Clinical Medicine, N.I. Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Dmitry Krylov
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
- Laboratory of Molecular Genetic Research, Institute of Clinical Medicine, N.I. Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Alena Gavrina
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
- Laboratory of Molecular Genetic Research, Institute of Clinical Medicine, N.I. Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Nikolai Bobrov
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
- The Volga District Medical Centre of Federal Medical and Biological Agency, 14 Ilinskaya St., 603000 Nizhny Novgorod, Russia
| | - Vladimir Zagainov
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
- Nizhny Novgorod Regional Clinical Oncologic Dispensary, Delovaya St., 11/1, 603126 Nizhny Novgorod, Russia
| | - Elena Zagaynova
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
| | - Daria Kuznetsova
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia
- Laboratory of Molecular Genetic Research, Institute of Clinical Medicine, N.I. Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
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13
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Zhou C, Zhang B, Yang Y, Jiang Q, Li T, Gong J, Tang H, Zhang Q. Stem cell-derived exosomes: emerging therapeutic opportunities for wound healing. Stem Cell Res Ther 2023; 14:107. [PMID: 37101197 PMCID: PMC10134577 DOI: 10.1186/s13287-023-03345-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 04/14/2023] [Indexed: 04/28/2023] Open
Abstract
Wound healing is a dynamic and highly sequential process involving a series of overlapping spatial and temporal phases, including hemostasis, inflammation, proliferation, and tissue remodeling. Mesenchymal stem cells (MSCs) are multipotent stem cells with self-renewal, multidirectional differentiation potential, and paracrine regulation. Exosomes are subcellular vesicular components 30-150 nm in size and are novel carriers of intercellular communication in regulating the biological behaviors of skin cells. Compared to MSCs, MSC-derived exosomes (MSC-exos) possess lower immunogenicity, easy storage, and highly effective biological activity. MSC-exos, mainly derived from adipose-derived stem cells (ADSCs), bone marrow-derived MSCs (BMSCs), human umbilical cord MSCs (hUC-MSCs), and other stem cell types, play a role in shaping the activity of fibroblasts, keratinocytes, immune cells, and endothelial cells in diabetic wounds, inflammatory wound repair, and even wound-related keloid formation. Therefore, this study focuses on the specific roles and mechanisms of different MSC-exos in wound healing, as well as the current limitations and various perspectives. Deciphering the biological properties of MSC-exos is crucial to providing a promising cell-free therapeutic tool for wound healing and cutaneous regeneration.
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Affiliation(s)
- Chuchao Zhou
- Department of Plastic Surgery, Wuhan Third Hospital (Tongren Hospital of Wuhan University), Wuhan, 430060, China
| | - Boyu Zhang
- Department of Plastic and Cosmetic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China
| | - Yanqing Yang
- Department of Plastic Surgery, Wuhan Third Hospital (Tongren Hospital of Wuhan University), Wuhan, 430060, China
| | - Qiong Jiang
- Department of Pharmacy, Xianning Central Hospital, The First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437000, Hubei, China
| | - Tianyu Li
- Trauma Center/Department of Emergency and Traumatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jun Gong
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China.
| | - Hongbo Tang
- Department of Plastic and Cosmetic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China.
| | - Qi Zhang
- Department of Plastic and Cosmetic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China.
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14
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Stromal Vascular Fraction Cells from Individuals Who Have Previously Undergone Radiotherapy Retain Their Pro-Wound Healing Properties. J Clin Med 2023; 12:jcm12052052. [PMID: 36902839 PMCID: PMC10003870 DOI: 10.3390/jcm12052052] [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: 02/12/2023] [Revised: 02/24/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Beneficial effects have been observed following the transplant of lipoaspirates containing adipose-derived stem cells into chronic wounds caused by oncologic radiotherapy. It is not yet certain whether adipose-derived stem cells are resistant to radiation exposure. Therefore, the aims of this study were to isolate stromal vascular fraction from human breast tissue exposed to radiotherapy and determine the presence of adipose-derived stem cells. Stromal vascular fraction from irradiated donor tissue was compared to commercially sourced pre-adipocytes. Immunocytochemistry was used to determine the presence of adipose-derived stem cell markers. Conditioned media from stromal vascular fraction isolated from irradiated donors was used as a treatment in a scratch wound assay of dermal fibroblasts also isolated from irradiated donors and compared to pre-adipocyte conditioned media and serum free control. This is the first report of human stromal vascular fraction being cultured from previously irradiated breast tissue. Stromal vascular fraction conditioned media from irradiated donors had a similar effect in increasing the migration of dermal fibroblasts from irradiated skin to pre-adipocyte conditioned media from healthy donors. Therefore, the ability of adipose-derived stem cells in the stromal vascular fraction to stimulate dermal fibroblasts in wound healing appears to be preserved following radiotherapy. This study demonstrates that stromal vascular fraction from irradiated patients is viable, functional and may have potential for regenerative medicine techniques following radiotherapy.
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15
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Moeinabadi-Bidgoli K, Rezaee M, Hossein-Khannazer N, Babajani A, Aghdaei HA, Arki MK, Afaghi S, Niknejad H, Vosough M. Exosomes for angiogenesis induction in ischemic disorders. J Cell Mol Med 2023; 27:763-787. [PMID: 36786037 PMCID: PMC10003030 DOI: 10.1111/jcmm.17689] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/19/2023] [Accepted: 01/26/2023] [Indexed: 02/15/2023] Open
Abstract
Ischaemic disorders are leading causes of morbidity and mortality worldwide. While the current therapeutic approaches have improved life expectancy and quality of life, they are unable to "cure" ischemic diseases and instate regeneration of damaged tissues. Exosomes are a class of extracellular vesicles with an average size of 100-150 nm, secreted by many cell types and considered a potent factor of cells for paracrine effects. Since exosomes contain multiple bioactive components such as growth factors, molecular intermediates of different intracellular pathways, microRNAs and nucleic acids, they are considered as cell-free therapeutics. Besides, exosomes do not rise cell therapy concerns such as teratoma formation, alloreactivity and thrombotic events. In addition, exosomes are stored and utilized more convenient. Interestingly, exosomes could be an ideal complementary therapeutic tool for ischemic disorders. In this review, we discussed therapeutic functions of exosomes in ischemic disorders including angiogenesis induction through various mechanisms with specific attention to vascular endothelial growth factor pathway. Furthermore, different delivery routes of exosomes and different modification strategies including cell preconditioning, gene modification and bioconjugation, were highlighted. Finally, pre-clinical and clinical investigations in which exosomes were used were discussed.
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Affiliation(s)
- Kasra Moeinabadi-Bidgoli
- Basic and Molecular Epidemiology of Gastroenterology Disorders Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Malihe Rezaee
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nikoo Hossein-Khannazer
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amirhesam Babajani
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastroenterology Disorders Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mandana Kazem Arki
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Siamak Afaghi
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Niknejad
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,Experimental Cancer Medicine, Institution for Laboratory Medicine, Karolinska Institute, Stockholm, Sweden
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16
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Yang P, Zhang S, Yan T, Li F, Zhang S. The Therapeutic Application of Stem Cells and Their Derived Exosomes in the Treatment of Radiation-Induced Skin Injury. Radiat Res 2023; 199:182-201. [PMID: 36630584 DOI: 10.1667/rade-22-00023.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 12/05/2022] [Indexed: 01/13/2023]
Abstract
Radiation-induced skin injury (RISI) is a serious concern for nuclear accidents and cancer radiotherapy, which seriously affects the quality of life of patients. This injury differs from traditional wounds due to impaired healing and the propensity to recurrence and is divided into acute and chronic phases on the basis of the injury time. Unfortunately, there are few effective therapies for preventing or mitigating this injury. Over the last few decades, various studies have focused on the effects of stem cell-based therapies to address the tissue repair and regeneration of irradiated skin. These stem cells modulate inflammation and instigate tissue repair by differentiating into specific kinds of cells or releasing paracrine factors. Stem cell-based therapies, including bone marrow-derived stem cells (BMSCs), adipose-derived stem cells (ADSCs) and stromal vascular fraction (SVF), have been reported to facilitate wound healing after radiation exposure. Moreover, stem cell-derived exosomes have recently been suggested as an effective and cell-free approach to support skin regeneration, circumventing the concerns respecting direct application of stem cells. Based on the literature on stem cell-based therapies for radiation-induced skin injury, we summarize the characteristics of different stem cells and describe their latest animal and clinical applications, as well as potential mechanisms. The promise of stem-cell based therapies against radiation-induced skin injury contribute to our response to nuclear events and smooth progress of cancer radiotherapy.
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Affiliation(s)
- Ping Yang
- Laboratory of Radiation Medicine, West China Second University Hospital, Sichuan University, Chengdu 610041, China.,Laboratory of Radiation Medicine, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Shuaijun Zhang
- Laboratory of Radiation Medicine, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Tao Yan
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China.,Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu 610051, China
| | - Fengsheng Li
- PLA Rocket Rorce Characteristic Medical Center, Beijing 100088, China
| | - Shuyu Zhang
- Laboratory of Radiation Medicine, West China Second University Hospital, Sichuan University, Chengdu 610041, China.,Laboratory of Radiation Medicine, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China.,Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu 610051, China.,NHC Key Laboratory of Nuclear Technology Medical Transformation, Mianyang Central Hospital, Mianyang 621099, China
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17
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Zakeri A, Khaseb S, Akhavan Rahnama M, Hajaliaskari A, Soufi Zomorrod M. Exosomes derived from mesenchymal stem cells: A promising cell-free therapeutic tool for cutaneous wound healing. Biochimie 2023; 209:73-84. [PMID: 36681232 DOI: 10.1016/j.biochi.2023.01.013] [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: 07/23/2021] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023]
Abstract
Skin wound healing is a multifaceted process involving a cascade of molecular and cellular procedures that occur in four different phases: (a) hemostasis, (b) inflammation, (c) proliferation, and (d) tissue remodeling. Prolonged wound healing in skin is still a major challenge in treatment of wounds. Mesenchymal stem cells (MSCs) accelerate cutaneous wound healing through their paracrine activity. Exosomes are one of the key secretory products of MSCs, mimicking the effects of parental MSCs in skin wound healing process. Exosomes are small membrane vesicles (30-150 nm in diameter) that originate from endosomal pathways and transport numerous biomolecules, including DNAs, messenger RNAs, microRNAs, lipids, and proteins. They can be taken up by target cells and release their contents to modulate the activity of recipient cells. Exosomes derived from mesenchymal stem cells (MSC-Exo) reduce inflammation, promote proliferation, inhibit apoptosis, and enhance angiogenesis in skin wound healing process. Therefore, exosomes are emerging as novel cell-cell communication mediators and have opened a novel viewpoint for developing cell-free therapies. This review aims to demonstrate the roles of exosomes in each step of skin wound healing through a comprehensive literature search.
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Affiliation(s)
- Armin Zakeri
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Sanaz Khaseb
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Mahshid Akhavan Rahnama
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Akram Hajaliaskari
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Mina Soufi Zomorrod
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
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18
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Wei Q, Liu X, Su JL, Wang YX, Chu ZQ, Ma K, Huang QL, Li HH, Fu XB, Zhang CP. Small extracellular vesicles from mesenchymal stem cells: A potential Weapon for chronic non-healing wound treatment. Front Bioeng Biotechnol 2023; 10:1083459. [PMID: 36704302 PMCID: PMC9872203 DOI: 10.3389/fbioe.2022.1083459] [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: 11/01/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023] Open
Abstract
Chronic non-healing wounds have posed a severe threat to patients mentally and physically. Behavior dysregulation of remaining cells at wound sites is recognized as the chief culprit to destroy healing process and hinders wound healing. Therefore, regulating and restoring normal cellular behavior is the core of chronic non-healing wound treatment. In recent years, the therapy with mesenchymal stem cells (MSCs) has become a promising option for chronic wound healing and the efficacy has increasingly been attributed to their exocrine functions. Small extracellular vesicles derived from MSCs (MSC-sEVs) are reported to benefit almost all stages of wound healing by regulating the cellular behavior to participate in the process of inflammatory response, angiogenesis, re-epithelization, and scarless healing. Here, we describe the characteristics of MSC-sEVs and discuss their therapeutic potential in chronic wound treatment. Additionally, we also provide an overview of the application avenues of MSC-sEVs in wound treatment. Finally, we summarize strategies for large-scale production and engineering of MSC-sEVs. This review may possibly provide meaningful guidance for chronic wound treatment with MSC-sEVs.
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Affiliation(s)
- Qian Wei
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Xi Liu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Jian-Long Su
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Ya-Xi Wang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Zi-Qiang Chu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Kui Ma
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China,Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Research Unit of Trauma Care, Beijing, China,PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, China
| | - Qi-Lin Huang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Hai-Hong Li
- Department of Wound Repair, Institute of Wound Repair and Regeneration Medicine, Southern University of Science and Technology Hospital, Southern University of Science and Technology School of Medicine, Shenzhen, China,*Correspondence: Cui-Ping Zhang, ; Hai-Hong Li, ; Xiao-Bing Fu,
| | - Xiao-Bing Fu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China,Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Research Unit of Trauma Care, Beijing, China,PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, China,*Correspondence: Cui-Ping Zhang, ; Hai-Hong Li, ; Xiao-Bing Fu,
| | - Cui-Ping Zhang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China,Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Research Unit of Trauma Care, Beijing, China,PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, China,*Correspondence: Cui-Ping Zhang, ; Hai-Hong Li, ; Xiao-Bing Fu,
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19
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Jia D, Chen H, Dai J, He S, Liu Y, Liu Z, Zhang Y, Li X, Sun Y, Wang Q. Human Infrapatellar Fat Pad Mesenchymal Stem Cell-Derived Extracellular Vesicles Inhibit Fibroblast Proliferation by Regulating MT2A to Reduce Knee Arthrofibrosis. Stem Cells Int 2023; 2023:9067621. [PMID: 37091533 PMCID: PMC10115539 DOI: 10.1155/2023/9067621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 09/20/2022] [Accepted: 09/27/2022] [Indexed: 04/25/2023] Open
Abstract
Knee arthrofibrosis is one of the most serious complications of knee surgery; however, its pathogenesis is unclear, and current treatment methods have not achieved satisfactory results. Mesenchymal stem cells (MSCs) have good anti-inflammatory and antifibrotic properties, and studies have reported that human infrapatellar fat pad-derived MSCs (IPFSCs) have the advantages of strong proliferative and differentiating ability, ease of acquisition, and minimal harm to the donor. Increasing evidence has shown that MSCs function through their paracrine extracellular vesicles (EVs). Our study is aimed at exploring the effects of human IPFSC-derived EVs (IPFSC-EVs) on knee arthrofibrosis and the underlying mechanisms in vivo and in vitro. In the in vivo study, injecting IPFSC-EVs into the knee joint cavity effectively reduced surgery-induced knee arthrofibrosis in rats. In the in vitro study, IPFSC-EVs were found to inhibit the proliferation of fibroblasts in the inflammatory environment. Additionally, we screened a potential IPFSC-EV molecular target, metallothionein 2A (MT2A), using RNA sequencing. We found that silencing MT2A partially reversed the inhibitory effect of IPFSC-EVs on fibroblast proliferation in the inflammatory environment. In conclusion, IPFSC-EVs inhibit the progression of knee arthrofibrosis by regulating MT2A, which inhibits fibroblast proliferation in the inflammatory environment.
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Affiliation(s)
- Dazhou Jia
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225001 Jiangsu, China
| | - Hui Chen
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Jihang Dai
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Shiping He
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Yangyang Liu
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225001 Jiangsu, China
| | - Zhendong Liu
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Yaxin Zhang
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Xiaolei Li
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Yu Sun
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Qiang Wang
- Department of Orthopedics, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
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20
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Lu S, Lu L, Liu Y, Li Z, Fang Y, Chen Z, Zhou J. Native and engineered extracellular vesicles for wound healing. Front Bioeng Biotechnol 2022; 10:1053217. [PMID: 36568307 PMCID: PMC9780283 DOI: 10.3389/fbioe.2022.1053217] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
Extracellular vesicles (EVs) that act as messengers mediate communication between parent and recipient cells through their contents, including nucleic acids, proteins, and lipids. These endogenous vesicles have emerged as a novel cell-free strategy for the treatment of diseases. EVs can be released by various types of cells with unique biological properties. Recent studies have shown that native EVs are used as therapeutic agents to promote tissue repair by delivering various growth factors and trophic factors including VEGF, EGF, TFN-α, IL-1β, and TGF-β to participate in all physiological processes of wound healing. Furthermore, to improve their specificity, safety, and efficiency for wound healing, the content and surface of EVs can be designed, modified, and engineered. The engineering strategies of EVs are divided into parent cell modification and indirect modification of EVs. The therapeutic potential of current EVs and engineered EVs for wound healing still requires the exploration of their large-scale clinical applications through innovative approaches. Herein, we provide an overview of the current biological knowledge about wound healing and EVs, as well as the application of native EVs in promoting wound healing. We also outline recent advances in engineering EV methodologies to achieve ideal therapeutic potential. Finally, the therapeutic applications of engineered EVs in wound healing are reviewed, and the challenges and prospects for the translation of engineered EVs to clinical applications are discussed.
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Affiliation(s)
- Shengli Lu
- Department of Plastic Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Liping Lu
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yang Liu
- Department of Plastic Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
- Department of Dermatology, Leiden University Medical Center, Leiden, Netherland
| | - Zenan Li
- Department of Plastic Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yuan Fang
- Department of Plastic Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhizhao Chen
- Department of Plastic Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jianda Zhou
- Department of Plastic Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
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21
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Alberti G, Russo E, Corrao S, Anzalone R, Kruzliak P, Miceli V, Conaldi PG, Di Gaudio F, La Rocca G. Current Perspectives on Adult Mesenchymal Stromal Cell-Derived Extracellular Vesicles: Biological Features and Clinical Indications. Biomedicines 2022; 10:2822. [PMID: 36359342 PMCID: PMC9687875 DOI: 10.3390/biomedicines10112822] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/19/2022] [Accepted: 10/28/2022] [Indexed: 08/10/2023] Open
Abstract
Extracellular vesicles (EVs) constitute one of the main mechanisms by which cells communicate with the surrounding tissue or at distance. Vesicle secretion is featured by most cell types, and adult mesenchymal stromal cells (MSCs) of different tissue origins have shown the ability to produce them. In recent years, several reports disclosed the molecular composition and suggested clinical indications for EVs derived from adult MSCs. The parental cells were already known for their roles in different disease settings in regulating inflammation, immune modulation, or transdifferentiation to promote cell repopulation. Interestingly, most reports also suggested that part of the properties of parental cells were maintained by isolated EV populations. This review analyzes the recent development in the field of cell-free therapies, focusing on several adult tissues as a source of MSC-derived EVs and the available clinical data from in vivo models.
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Affiliation(s)
- Giusi Alberti
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, 90127 Palermo, Italy
| | - Eleonora Russo
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, 90127 Palermo, Italy
| | - Simona Corrao
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, 90127 Palermo, Italy
| | - Rita Anzalone
- Department of Surgical, Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, 90127 Palermo, Italy
| | - Peter Kruzliak
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601 Martin, Slovakia
| | - Vitale Miceli
- Research Department, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Pier Giulio Conaldi
- Research Department, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | | | - Giampiero La Rocca
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, 90127 Palermo, Italy
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22
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Subhan BS, Ki M, Verzella A, Shankar S, Rabbani PS. Behind the Scenes of Extracellular Vesicle Therapy for Skin Injuries and Disorders. Adv Wound Care (New Rochelle) 2022; 11:575-597. [PMID: 34806432 PMCID: PMC9419953 DOI: 10.1089/wound.2021.0066] [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: 04/07/2021] [Accepted: 11/10/2021] [Indexed: 01/29/2023] Open
Abstract
Significance: Skin wounds and disorders compromise the protective functions of skin and patient quality of life. Although accessible on the surface, they are challenging to address due to paucity of effective therapies. Exogenous extracellular vesicles (EVs) and cell-free derivatives of adult multipotent stromal cells (MSCs) are developing as a treatment modality. Knowledge of origin MSCs, EV processing, and mode of action is necessary for directed use of EVs in preclinical studies and methodical translation. Recent Advances: Nanoscale to microscale EVs, although from nonskin cells, induce functional responses in cutaneous wound cellular milieu. EVs allow a shift from cell-based to cell-free/derived modalities by carrying the MSC beneficial factors but eliminating risks associated with MSC transplantation. EVs have demonstrated striking efficacy in resolution of preclinical wound models, specifically within the complexity of skin structure and wound pathology. Critical Issues: To facilitate comparison across studies, tissue sources and processing of MSCs, culture conditions, isolation and preparations of EVs, and vesicle sizes require standardization as these criteria influence EV types and contents, and potentially determine the induced biological responses. Procedural parameters for all steps preceding the actual therapeutic administration may be the key to generating EVs that demonstrate consistent efficacy through known mechanisms. We provide a comprehensive review of such parameters and the subsequent tissue, cellular and molecular impact of the derived EVs in different skin wounds/disorders. Future Directions: We will gain more complete knowledge of EV-induced effects in skin, and specificity for different wounds/conditions. The safety and efficacy of current preclinical xenogenic applications will favor translation into allogenic clinical applications of EVs as a biologic.
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Affiliation(s)
- Bibi S. Subhan
- Hansjörg Wyss Department of Plastic Surgery, New York University School of Medicine, New York, New York, USA
| | - Michelle Ki
- Hansjörg Wyss Department of Plastic Surgery, New York University School of Medicine, New York, New York, USA
| | - Alexandra Verzella
- Hansjörg Wyss Department of Plastic Surgery, New York University School of Medicine, New York, New York, USA
| | - Shruthi Shankar
- Hansjörg Wyss Department of Plastic Surgery, New York University School of Medicine, New York, New York, USA
| | - Piul S. Rabbani
- Hansjörg Wyss Department of Plastic Surgery, New York University School of Medicine, New York, New York, USA
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23
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McLaughlin C, Datta P, Singh YP, Lo A, Horchler S, Elcheva IA, Ozbolat IT, Ravnic DJ, Koduru SV. Mesenchymal Stem Cell-Derived Extracellular Vesicles for Therapeutic Use and in Bioengineering Applications. Cells 2022; 11:3366. [PMID: 36359762 PMCID: PMC9657427 DOI: 10.3390/cells11213366] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/10/2022] [Accepted: 10/19/2022] [Indexed: 07/25/2023] Open
Abstract
Extracellular vesicles (EVs) are small lipid bilayer-delimited particles that are naturally released from cells into body fluids, and therefore can travel and convey regulatory functions in the distal parts of the body. EVs can transmit paracrine signaling by carrying over cytokines, chemokines, growth factors, interleukins (ILs), transcription factors, and nucleic acids such as DNA, mRNAs, microRNAs, piRNAs, lncRNAs, sn/snoRNAs, mtRNAs and circRNAs; these EVs travel to predecided destinations to perform their functions. While mesenchymal stem cells (MSCs) have been shown to improve healing and facilitate treatments of various diseases, the allogenic use of these cells is often accompanied by serious adverse effects after transplantation. MSC-produced EVs are less immunogenic and can serve as an alternative to cellular therapies by transmitting signaling or delivering biomaterials to diseased areas of the body. This review article is focused on understanding the properties of EVs derived from different types of MSCs and MSC-EV-based therapeutic options. The potential of modern technologies such as 3D bioprinting to advance EV-based therapies is also discussed.
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Affiliation(s)
- Caroline McLaughlin
- Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Pallab Datta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Kolkata, West Bengal 700054, India
| | - Yogendra P. Singh
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of Life Sciences, Penn State University, University Park, PA 16802, USA
| | - Alexis Lo
- Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Summer Horchler
- Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Irina A. Elcheva
- Department of Pediatrics, Hematology/Oncology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Ibrahim T. Ozbolat
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of Life Sciences, Penn State University, University Park, PA 16802, USA
| | - Dino J. Ravnic
- Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Srinivas V. Koduru
- Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA 17033, USA
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
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24
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Jayathilaka EHTT, Edirisinghe SL, Lee J, Nikapitiya C, De Zoysa M. Isolation and characterization of plasma-derived exosomes from olive flounder (Paralichthys olivaceus) and their wound healing and regeneration activities. FISH & SHELLFISH IMMUNOLOGY 2022; 128:196-205. [PMID: 35932983 DOI: 10.1016/j.fsi.2022.07.076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/14/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
Exosomes have garnered enormous interest for their role in physiological and pathological processes and their potential for therapeutic and diagnostic applications. In this study, exosomes were isolated from plasma of olive flounder (Paralichthys olivaceus) and their physiochemical and morphological characteristics, as well as wound healing and regeneration activities were determined. Isolated exosomes had typical characteristics, including average particle diameter (151.82 ± 9.17 nm), concentration (6.31 × 1010 particles/mL) with a membrane-bound, cup-shaped morphology. Exosome marker proteins, tetraspanins (CD63, CD9, and CD81), and acetylcholinesterase were detected, indicating the presence of exosomes in olive flounder plasma. Exosomes exhibited no toxicity in in vitro and in vivo studies, even at the highest treatment concentrations (100 and 400 μg/mL, respectively), confirming their suitability for further functional studies. Following exosome treatment (50 and 100 μg/mL), substantial cell migration with rapid closure of the open wound area in in vitro scratch wound healing assay and faster zebrafish larvae fin regeneration rate was observed compared to that of the vehicle. Moreover, exosomes exhibited immunomodulatory properties associated with wound healing, based on mRNA expression patterns in fathead minnow (FHM) cells. In conclusion, exosomes isolated from olive flounder plasma using ultracentrifugation exhibited minimal toxicity and enhanced wound healing and tissue regeneration activities. Identification and in-depth investigation of olive flounder plasma-derived exosome constituents will support the development of exosomes as an efficient therapeutic carrier system for fish medicine in the future.
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Affiliation(s)
- E H T Thulshan Jayathilaka
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Shan Lakmal Edirisinghe
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Jehee Lee
- Department of Marine Life Sciences, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea; Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea
| | - Chamilani Nikapitiya
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Republic of Korea.
| | - Mahanama De Zoysa
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Republic of Korea.
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25
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Nonalcoholic Fatty Liver Hepatocyte-Derived lncRNA MALAT1 Aggravates Pancreatic Cell Inflammation via the Inhibition of Autophagy by Upregulating YAP. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:2930960. [PMID: 36093484 PMCID: PMC9452936 DOI: 10.1155/2022/2930960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/05/2022] [Accepted: 08/08/2022] [Indexed: 12/14/2022]
Abstract
Background Acute pancreatitis (AP) is one of the most common gastrointestinal disorders, which causes death with a high mortality rate of about 30%. The study aims to identify whether the nonalcoholic fatty liver disease (NAFLD)-derived lncRNA MALAT1 participates in the inflammation of pancreatic cell and its potential mechanism. Methods The NAFLD cell model was constructed by treating HepG2 cells with FFA. The in vitro model of acute pancreatitis (AP) was established by the administration of caerulein on AR42J cells. MALAT1 and si-MALAT1 were transfected into pancreatic cells, and then exosomes were collected from the NAFLD cell model and then were cocultured with AR42J cells. Transmission electron microscopy was used to observe the morphology of exosomes. Oil Red O staining was applied to reveal the lipid deposition. The triglyceride, IL-6, and TNF-α levels were detected using ELISA. The MALAT1 level in exosomes was detected by qRT-PCR. The CD9, CD63, CD81, and CYP2E1, LC3II, and LC3I levels were detected by western blot. Results MALAT1 was upregulated in NAFLD-derived exosomes and increased the levels of IL-6 and TNF-α in pancreatic cells. NAFLD-derived exosomes inhibited YAP phosphorylation, decreased the levels of IL-6 and TNF-α, and reduced the ratio of LC3II/LC3I protein in pancreatic cells. Silencing MALAT1 significantly returned the inhibitory effect of NAFLD on hippo-YAP pathway. YAP1 signal transduction inhibitor CA3 reversed the decrease of LC3II/LC3I expression and the increase of IL-6 and TNF-α levels induced by MALAT1 in the AP cell model. Conclusions NAFLD-derived MALAT1 exacerbates pancreatic cell inflammation via inhibiting autophagy by upregulating YAP.
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Visweswaran M, Cunningham CW, Sidhu KS. Isolation and Characterisation of an Adipose-derived human mesenchymal stem cell line - ' CKC-Endeavour-1'. J Stem Cells Regen Med 2022; 18:2-10. [PMID: 36003657 DOI: 10.46582/jsrm.1801002] [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: 10/01/2021] [Accepted: 12/19/2021] [Indexed: 11/19/2022]
Abstract
Mesenchymal stem cells derived from adipose tissue (ADMSCs) are being increasingly considered in regenerative medicine-based clinical applications. Apart from possessing therapeutic applications themselves, ADMSCs also secrete a myriad of soluble factors which are promising candidates for treating several degenerative diseases such as osteoarthritis and neurodegenerative diseases, wound repair as well as for cosmeceutical purposes. In our research study, we successfully isolated ADMSCs in-house, now called CKC-Endeavour-1 from the lipoaspirate sample of a patient who underwent liposuction. The subsequent expansion of cells was performed in xeno-free and serum-free conditions and their characterisation was performed using tri-lineage differentiation studies. The levels of differentiation were assessed by staining and gene expression which was observed to be comparable between the in-house developed ADMSC cell line and the commercially purchased ADMSCs. Following characterisation, the secretory components from these MSCs, namely, conditioned media (ADMSC-CM) and exosomes (ADMSC-EXO) were harvested from CKC-Endeavour-1 under xeno-free, serum-free, and supplement-free conditions followed by lyophilisation in order to attempt to prolong its shelf-life. The comprehensive analysis of the secretome profile of ADMSC-CM using carried out using cytokine array and demonstrated the presence of 105 cytokines and growth factors. Also, clinical grade Izon columns were used to isolate the exosomes from ADMSC-CM obtaining exosomes in the size range of <200nm, analysed using nanoparticle tracking analysis. Overall, our study developed an ADMSC cell line, CKC-Endeavour-1, along with their CM and exosome (EXO) products under clinically safe conditions. Additionally, we have obtained a comprehensive understanding of the secreted factors present in the ADMSC-CM which could be further explored in detail to tap the best therapeutic benefits from them.
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27
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Chen G, Chen H, Zeng X, Zhu W. Stem cell-derived exosomal transcriptomes for wound healing. Front Surg 2022; 9:933781. [PMID: 36034367 PMCID: PMC9417542 DOI: 10.3389/fsurg.2022.933781] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 08/01/2022] [Indexed: 12/02/2022] Open
Abstract
Wound healing is a complex and integrated process of the interaction of various components within the injured tissue. Accumulating evidence suggested that stem cell-derived exosomal transcriptomes could serve as key regulatory molecules in wound healing in stem cell therapy. Stem cell-derived exosomal transcriptomes mainly consist of long noncoding RNAs (lncRNAs), microRNAs (miRNAs), circular RNAs (circRNAs) and messenger RNAs (mRNAs). In this article we presented a brief introduction on the wound repair process and exosomal transcriptomes. Meanwhile, we summarized our current knowledge of the involvement of exosomal transcriptomes in physiological and pathological wound repair process including inflammation, angiogenesis, and scar formation.
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Affiliation(s)
- Guiling Chen
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- National Institute of Stem Cell Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Hankun Chen
- Research and Development Department, Guangzhou Qinglan Biotechnology Company Limited, Guangzhou, China
| | - Xiang Zeng
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- National Institute of Stem Cell Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
- Correspondence: Xiang Zeng Wei Zhu
| | - Wei Zhu
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
- Correspondence: Xiang Zeng Wei Zhu
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28
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Zhu J, Quan H. Adipose-derived stem cells-derived exosomes facilitate cutaneous wound healing by delivering XIST and restoring discoidin domain receptor 2. Cytokine 2022; 158:155981. [PMID: 35952595 DOI: 10.1016/j.cyto.2022.155981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Adipose-derived stem cells (ADSCs) and their derived exosomes (ADSC-Exos) have shown potential functions in tissue repair. This study focuses on the effects of ADSCs-Exos on cutaneous wound healing and the potential involvement of the long non-coding RNA (lncRNA) XIST/microRNA-96-5p (miR-96-5p)/discoidin domain receptor 2 (DDR2) axis. METHODS Exos were isolated from the ADSCs and identified. A mouse model of full-thickness skin wounds was established. The mice were treated with ADSC-Exos to evaluate the function of ADSC-Exos in wound healing. Mouse dermal fibroblasts (MDFs) were co-cultured with the ADSC-Exos for in vitro experiments. The most differentially expressed lncRNAs in mouse skin tissues after ADSC-Exo treatment were screened by microarray analysis. The downstream molecules were analyzed by bioinformatics tools. Gain- and loss-of-function studies were performed to examine the functions of the XIST/miR-96-5p/DDR2 axis in wound healing. RESULTS ADSC-Exos facilitated wound healing in mice, reduced inflammatory infiltration, and increased collagen deposition in the wound skin tissues. In vitro, the ADSC-Exos promoted proliferation, migration of the MDFs. XIST was the most upregulated lncRNA in MDFs after ADSC-Exo treatment. Downregulation of XIST suppressed the promoting role of ADSC-Exos in wound healing. XIST bound to miR-96-5p to restore the expression of DDR2 mRNA. Either silencing of miR-96-5p or overexpression of DDR2 restored the promoting functions of ADSC-Exos in proliferation and migration of MDFs. CONCLUSION This study demonstrates that ADSC-Exos-carried XIST accelerates cutaneous wound healing through suppressing miR-96-5p and restoring the DDR2 expression.
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Affiliation(s)
- Jinglin Zhu
- Department of Plastic Surgery 18, Plastic Surgery Hospital (Institute), Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100144, PR China
| | - Hongguang Quan
- Department of General Surgery, Xuzhou Hospital of Traditional Chinese Medicine, the Affiliated Xuzhou Hospital of Nanjing University of Chinese Medicine, Xuzhou 221000, Jiangsu, PR China.
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29
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Lv H, Liu H, Sun T, Wang H, Zhang X, Xu W. Exosome derived from stem cell: A promising therapeutics for wound healing. Front Pharmacol 2022; 13:957771. [PMID: 36003496 PMCID: PMC9395204 DOI: 10.3389/fphar.2022.957771] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 06/27/2022] [Indexed: 11/13/2022] Open
Abstract
A wound occurs when the epidermis and dermis of the skin are damaged internally and externally. The traditional wound healing method is unsatisfactory, which will prolong the treatment time and increase the treatment cost, which brings economic and psychological burdens to patients. Therefore, there is an urgent need for a new method to accelerate wound healing. As a cell-free therapy, exosome derived from stem cell (EdSC) offers new possibilities for wound healing. EdSC is the smallest extracellular vesicle secreted by stem cells with diameters of 30–150 nm and a lipid bilayer structure. Previous studies have found that EdSC can participate in and promote almost all stages of wound healing, including regulating inflammatory cells; improving activation of fibroblasts, keratinocytes, and endothelial cells; and adjusting the ratio of collagen Ⅰ and Ⅲ. We reviewed the relevant knowledge of wounds; summarized the biogenesis, isolation, and identification of exosomes; and clarified the pharmacological role of exosomes in promoting wound healing. This review provides knowledge support for the pharmacological study of exosomes.
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30
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Ren YZ, Ding SS, Jiang YP, Wen H, Li T. Application of exosome-derived noncoding RNAs in bone regeneration: Opportunities and challenges. World J Stem Cells 2022; 14:473-489. [PMID: 36157529 PMCID: PMC9350624 DOI: 10.4252/wjsc.v14.i7.473] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/15/2022] [Accepted: 07/11/2022] [Indexed: 02/06/2023] Open
Abstract
With advances in the fields of regenerative medicine, cell-free therapy has received increased attention. Exosomes have a variety of endogenous properties that provide stability for molecular transport across biological barriers to cells, as a form of cell-to-cell communication that regulates function and phenotype. In addition, exosomes are an important component of paracrine signaling in stem-cell-based therapy and can be used as a stand-alone therapy or as a drug delivery system. The remarkable potential of exosomes has paved the pathway for cell-free treatment in bone regeneration. Exosomes are enriched in distinct noncoding RNAs (ncRNAs), including microRNAs, long ncRNAs and circular RNAs. Different ncRNAs have multiple functions. Altered expression of ncRNA in exosomes is associated with the regenerative potential and development of various diseases, such as femoral head osteonecrosis, myocardial infarction, and cancer. Although there is increasing evidence that exosome-derived ncRNAs (exo-ncRNAs) have the potential for bone regeneration, the detailed mechanisms are not fully understood. Here, we review the biogenesis of exo-ncRNA and the effects of ncRNAs on angiogenesis and osteoblast- and osteoclast-related pathways in different diseases. However, there are still many unsolved problems and challenges in the clinical application of ncRNA; for instance, production, storage, targeted delivery and therapeutic potency assessment. Advancements in exo-ncRNA methods and design will promote the development of therapeutics, revolutionizing the present landscape.
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Affiliation(s)
- Yuan-Zhong Ren
- Department of Emergency Trauma Surgery, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang 471000, Henan Province, China
| | - Shan-Shan Ding
- Department of Geriatrics, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang 471000, Henan Province, China
| | - Ya-Ping Jiang
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao 266000, Shandong Province, China
| | - Hui Wen
- Department of Emergency Trauma Surgery, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang 471000, Henan Province, China
| | - Tao Li
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266003, Shandong Province, China
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Pi L, Yang L, Fang BR, Meng XX, Qian L. LncRNA MALAT1 from human adipose-derived stem cell exosomes accelerates wound healing via miR-378a/FGF2 axis. Regen Med 2022; 17:627-641. [PMID: 35822640 DOI: 10.2217/rme-2021-0170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: The effects of MALAT1 from human adipose-derived stem cell (ADSC) exosomes in skin wound healing were investigated. Material & methods: The viability, apoptosis and migration ability of human skin fibroblasts (HSFs) were evaluated by Cell Counting Kit-8 assay, flow cytometry and scratch assay, respectively. A mouse model was established to evaluate the role of exosomal MALAT1 in skin wound healing in vivo. Results: Human ADSC exosomes promoted the proliferation and migration of HSFs and increased MALAT1 expression. MALAT1 silencing in human ADSCs inhibited HSF viability and migration, promoted HSF apoptosis and inhibited angiogenesis by upregulating miR-378a. Overexpression of miR-378a inhibited the migration and proliferation of HSFs by downregulating FGF2 expression. ADSC exosomes promoted skin wound healing by mediating MALAT1 in vivo. Conclusion: Exosomal MALAT1 accelerated skin wound healing by regulating the miR-378a/FGF2 axis, suggesting that MALAT1 might be used as a potential target for cutaneous wound treatment.
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Affiliation(s)
- Li Pi
- Department of Burn & Plastic Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, P.R. China
| | - Li Yang
- Department of Burn & Plastic Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, P.R. China
| | - Bai-Rong Fang
- Department of Burn & Plastic Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, P.R. China
| | - Xian-Xi Meng
- Department of Burn & Plastic Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, P.R. China
| | - Li Qian
- Department of Burn & Plastic Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, P.R. China
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Wang Y, Cheng L, Zhao H, Li Z, Chen J, Cen Y, Zhang Z. The Therapeutic Role of ADSC-EVs in Skin Regeneration. Front Med (Lausanne) 2022; 9:858824. [PMID: 35755023 PMCID: PMC9218955 DOI: 10.3389/fmed.2022.858824] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 05/20/2022] [Indexed: 02/05/2023] Open
Abstract
Large skin defects caused by burns, unhealing chronic wounds, and trauma, are still an intractable problem for clinicians and researchers. Ideal skin regeneration includes several intricate and dynamic stages of wound repair and regeneration of skin physiological function. Adipose-derived stem cells (ADSCs), a type of mesenchymal stem cells (MSCs) with abundant resources and micro-invasive extraction protocols, have been reported to participate in each stage of promoting skin regeneration via paracrine effects. As essential products secreted by ADSCs, extracellular vesicles (EVs) derived from ADSCs (ADSC-EVs) inherit such therapeutic potential. However, ADSC-EVs showed much more clinical superiorities than parental cells. ADSC-EVs carry various mRNAs, non-coding RNAs, proteins, and lipids to regulate the activities of recipient cells and eventually accelerate skin regeneration. The beneficial role of ADSCs in wound repair has been widely accepted, while a deep comprehension of the mechanisms of ADSC-EVs in skin regeneration remains unclear. In this review, we provided a basic profile of ADSC-EVs. Moreover, we summarized the latest mechanisms of ADSC-EVs on skin regeneration from the aspects of inflammation, angiogenesis, cell proliferation, extracellular matrix (ECM) remodeling, autophagy, and oxidative stress. Hair follicle regeneration and skin barrier repair stimulated by ADSC-EVs were also reviewed. The challenges and prospects of ADSC-EVs-based therapies were discussed at the end of this review.
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Affiliation(s)
- Yixi Wang
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Lihui Cheng
- Department of Central Sterile Supply, West China Hospital, Sichuan University, Chengdu, China
| | - Hanxing Zhao
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Zhengyong Li
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Junjie Chen
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Ying Cen
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Zhenyu Zhang
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, China
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Hade MD, Suire CN, Mossell J, Suo Z. Extracellular vesicles: Emerging frontiers in wound healing. Med Res Rev 2022; 42:2102-2125. [PMID: 35757979 DOI: 10.1002/med.21918] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 12/10/2021] [Accepted: 06/07/2022] [Indexed: 12/19/2022]
Abstract
Extracellular vesicles are membranous particles, ranging from 30 nm to 10 µm in diameter, which are released by nearly all cell types to aid in intercellular communication. These complex vesicles carry a multitude of signaling moieties from their cell of origin, such as proteins, lipids, cell surface receptors, enzymes, cytokines, metabolites, and nucleic acids. A growing body of evidence suggests that in addition to delivering cargos into target cells to facilitate intercellular communication, extracellular vesicles may also play roles in such processes as cell differentiation and proliferation, angiogenesis, stress response, and immune signaling. As these vesicles have natural biocompatibility, stability in circulation, low toxicity, and low immunogenicity, and serve as efficient carriers of molecular cargos, these nanoparticles are ideal therapeutic candidates for regenerative medicine. Exploring and identifying the homeostatic functions of extracellular vesicles may facilitate the development of new regenerative therapies. In this review, we summarize the wound healing process, difficulties in stem cell therapies for regenerative medicine, and the applications of mesenchymal stromal cell-derived extracellular vesicles in improving and accelerating the wound healing process.
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Affiliation(s)
- Mangesh D Hade
- Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, Florida, USA
| | - Caitlin N Suire
- Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, Florida, USA
| | - James Mossell
- Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, Florida, USA
| | - Zucai Suo
- Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, Florida, USA
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Ren G, Peng Q, Fink T, Zachar V, Porsborg SR. Potency assays for human adipose-derived stem cells as a medicinal product toward wound healing. Stem Cell Res Ther 2022; 13:249. [PMID: 35690872 PMCID: PMC9188073 DOI: 10.1186/s13287-022-02928-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 05/29/2022] [Indexed: 11/18/2022] Open
Abstract
In pre-clinical studies, human adipose-derived stem cells (hASCs) have shown great promise as a treatment modality for healing of cutaneous wounds. The advantages of hASCs are that they are relatively easy to obtain in large numbers from basic liposuctions, they maintain their characteristics after long-term in vitro culture, and they possess low immunogenicity, which enables the use of hASCs from random donors. It has been hypothesized that hASCs exert their wound healing properties by reducing inflammation, inducing angiogenesis, and promoting fibroblast and keratinocyte growth. Due to the inherent variability associated with the donor-dependent nature of ASC-based products, it appears necessary that the quality of the different products is prospectively certified using a set of most relevant potency assays. In this review, we present an overview of the available methodologies to assess the Mode and the Mechanism of Action of hASCs, specifically in the wound healing scenario. In conclusion, we propose a panel of potential potency assays to include in the future production of ASC-based medicinal products.
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Affiliation(s)
- Guoqiang Ren
- Regenerative Medicine Group, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 3B, 9220, Aalborg, Denmark
| | - Qiuyue Peng
- Regenerative Medicine Group, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 3B, 9220, Aalborg, Denmark
| | - Trine Fink
- Regenerative Medicine Group, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 3B, 9220, Aalborg, Denmark
| | - Vladimir Zachar
- Regenerative Medicine Group, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 3B, 9220, Aalborg, Denmark
| | - Simone Riis Porsborg
- Regenerative Medicine Group, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 3B, 9220, Aalborg, Denmark.
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Hu JC, Zheng CX, Sui BD, Liu WJ, Jin Y. Mesenchymal stem cell-derived exosomes: A novel and potential remedy for cutaneous wound healing and regeneration. World J Stem Cells 2022; 14:318-329. [PMID: 35722196 PMCID: PMC9157601 DOI: 10.4252/wjsc.v14.i5.318] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 04/11/2022] [Accepted: 05/22/2022] [Indexed: 02/06/2023] Open
Abstract
Poor healing of cutaneous wounds is a common medical problem in the field of traumatology. Due to the intricate pathophysiological processes of wound healing, the use of conventional treatment methods, such as chemical molecule drugs and traditional dressings, have been unable to achieve satisfactory outcomes. Within recent years, explicit evidence suggests that mesenchymal stem cells (MSCs) have great therapeutic potentials on skin wound healing and regeneration. However, the direct application of MSCs still faces many challenges and difficulties. Intriguingly, exosomes as cell-secreted granular vesicles with a lipid bilayer membrane structure and containing specific components from the source cells may emerge to be excellent substitutes for MSCs. Exosomes derived from MSCs (MSC-exosomes) have been demonstrated to be beneficial for cutaneous wound healing and accelerate the process through a variety of mechanisms. These mechanisms include alleviating inflammation, promoting vascularization, and promoting proliferation and migration of epithelial cells and fibroblasts. Therefore, the application of MSC-exosomes may be a promising alternative to cell therapy in the treatment of cutaneous wounds and could promote wound healing through multiple mechanisms simultaneously. This review will provide an overview of the role and the mechanisms of MSC-derived exosomes in cutaneous wound healing, and elaborate the potentials and future perspectives of MSC-exosomes application in clinical practice.
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Affiliation(s)
- Jia-Chen Hu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, Shaanxi Province, China
| | - Chen-Xi Zheng
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, Shaanxi Province, China
| | - Bing-Dong Sui
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, Shaanxi Province, China
| | - Wen-Jia Liu
- National and Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, Precision Medicine Institute, Institute for Stem Cell and Regenerative Medicine, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an 710032, Shaanxi Province, China
| | - Yan Jin
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, Shaanxi Province, China
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Avalos PN, Forsthoefel DJ. An Emerging Frontier in Intercellular Communication: Extracellular Vesicles in Regeneration. Front Cell Dev Biol 2022; 10:849905. [PMID: 35646926 PMCID: PMC9130466 DOI: 10.3389/fcell.2022.849905] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/28/2022] [Indexed: 12/12/2022] Open
Abstract
Regeneration requires cellular proliferation, differentiation, and other processes that are regulated by secreted cues originating from cells in the local environment. Recent studies suggest that signaling by extracellular vesicles (EVs), another mode of paracrine communication, may also play a significant role in coordinating cellular behaviors during regeneration. EVs are nanoparticles composed of a lipid bilayer enclosing proteins, nucleic acids, lipids, and other metabolites, and are secreted by most cell types. Upon EV uptake by target cells, EV cargo can influence diverse cellular behaviors during regeneration, including cell survival, immune responses, extracellular matrix remodeling, proliferation, migration, and differentiation. In this review, we briefly introduce the history of EV research and EV biogenesis. Then, we review current understanding of how EVs regulate cellular behaviors during regeneration derived from numerous studies of stem cell-derived EVs in mammalian injury models. Finally, we discuss the potential of other established and emerging research organisms to expand our mechanistic knowledge of basic EV biology, how injury modulates EV biogenesis, cellular sources of EVs in vivo, and the roles of EVs in organisms with greater regenerative capacity.
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Affiliation(s)
- Priscilla N. Avalos
- Department of Cell Biology, College of Medicine, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Genes and Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - David J. Forsthoefel
- Department of Cell Biology, College of Medicine, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Genes and Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
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Chen J, Liu R, Huang T, Sun H, Jiang H. Adipose stem cells-released extracellular vesicles as a next-generation cargo delivery vehicles: a survey of minimal information implementation, mass production and functional modification. Stem Cell Res Ther 2022; 13:182. [PMID: 35505389 PMCID: PMC9062865 DOI: 10.1186/s13287-022-02849-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 04/12/2022] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVES To investigate current situation of minimal information implementation highlighted by minimal information for studies of extracellular vesicles 2018 (MISEV2018) guidelines, and explore technological advances towards mass production and functional modification in aesthetic, plastic and reconstructive surgery. METHODS Original articles on extracellular vesicles (EVs) of adipose stem cells (ASCs) were identified. Statistics upon minimal information for EVs research, such as species, cell types, culture conditions, conditioned media harvesting parameters, EVs isolation/storage/identification/quantification, functional uptake and working concentration, were analyzed. RESULTS The items of cell culture conditions such as passage number, seeding density, conditioned media harvesting time, functional uptake and working concentration were poorly documented, with a reporting percentage of 47.13%, 54.02%, 29.89%, 62.07% and 36.21%, respectively. However, there were some studies not reporting information of ASCs origin, culture medium, serum, EVs isolation methods, quantification and identification of EVs, accounting for 3.45%, 10.34%, 6.90%, 3.45%, 18.39% and 4.02%, respectively. Serum deprivation and trophic factors stimuli were attempted for EVs mass production. Several technological advances towards functional modification included hypoxia pre-condition, engineering EVs and controlled release. Presently, ASCs EVs have been applied in multiple fields, including diabetic/non-diabetic wound healing, angiogenesis, inflammation modulation, fat grafting, hair regeneration, antiaging, and healing and regeneration of cartilage/bone/peripheral nerve/tendon. CONCLUSION Our results highlight normative reporting of ASCs EVs in functional studies to increase reliability and reproducibility of scientific publications. The advances towards mass production and functional modification of ASCs EVs are also recommended to enhance therapeutic effects.
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Affiliation(s)
- Jianguo Chen
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 33 Badachu Road, Shijingshan District, Beijing, 100144, People's Republic of China
| | - Ruiquan Liu
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 33 Badachu Road, Shijingshan District, Beijing, 100144, People's Republic of China
| | - Tianyu Huang
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 33 Badachu Road, Shijingshan District, Beijing, 100144, People's Republic of China
| | - Hengyun Sun
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 33 Badachu Road, Shijingshan District, Beijing, 100144, People's Republic of China
| | - Haiyue Jiang
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 33 Badachu Road, Shijingshan District, Beijing, 100144, People's Republic of China.
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Xu GY, Xu S, Zhang YX, Yu ZY, Zou F, Ma XS, Xia XL, Zhang WJ, Jiang JY, Song J. Cell-Free Extracts from Human Fat Tissue with a Hyaluronan-Based Hydrogel Attenuate Inflammation in a Spinal Cord Injury Model through M2 Microglia/Microphage Polarization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2107838. [PMID: 35333441 DOI: 10.1002/smll.202107838] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Treatment for spinal cord injuries (SCIs) is often ineffective because SCIs result in a loss of nerve tissue, glial scar formation, local ischemia and secondary inflammation. The current promising strategy for SCI is the combination of bioactive materials and cytokines. Bioactive materials support the injured spinal cord, stabilize the morphology, and avoid excessive inflammatory responses. Fat extract (FE) is a cell-free liquid component containing a variety of cytokines extracted from human fat tissue using mechanical methods. In this research, a biocompatible HAMC (hyaluronan and methylcellulose) loaded with FE is used to treat a model of spinal cord contusion in mice. The composite not only inhibits death of neuro- and vascular cells and leads to the preservation of neural and vascular structure, but also modulates the inflammatory phenotype of macrophages in the locally injured region. Specifically, FE promotes the polarization of macrophages from an inflammatory M1 phenotype to an anti-inflammatory M2 phenotype. During the screening of the involved pathways, it is corroborated that activation of the STAT6/Arg-1 signaling pathway is involved in macrophage M2 polarization. In summary, FE is a promising treatment for SCI, as it is easy to obtain, nonimmunogenic, and effective.
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Affiliation(s)
- Guang-Yu Xu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Shun Xu
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, Shanghai, 200240, China
| | - Yu-Xuan Zhang
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Zi-You Yu
- Department of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- Shanghai Key Laboratory of Tissue Engineering, Shanghai, 200011, China
| | - Fei Zou
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Xiao-Sheng Ma
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Xin-Lei Xia
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Wen-Jie Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- Shanghai Key Laboratory of Tissue Engineering, Shanghai, 200011, China
| | - Jian-Yuan Jiang
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Jian Song
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
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Patel RS, Impreso S, Lui A, Vidyarthi G, Albear P, Patel NA. Long Noncoding RNA GAS5 Contained in Exosomes Derived from Human Adipose Stem Cells Promotes Repair and Modulates Inflammation in a Chronic Dermal Wound Healing Model. BIOLOGY 2022; 11:biology11030426. [PMID: 35336800 PMCID: PMC8945809 DOI: 10.3390/biology11030426] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/03/2022] [Accepted: 03/07/2022] [Indexed: 01/17/2023]
Abstract
Simple Summary Wounds due to cuts, lacerations, or surgical incisions undergo healing through a highly regulated process. Occasionally, the skin is unable to heal in a timely manner, leading to chronic wounds and related sequelae, such as scarring, risk of infections on open wounds, and—as a growing body of evidence attests—psychological impact on the individual. In addition, certain diseases, such as diabetes, obesity, and cancer, are characterized by an ongoing state of very low-grade inflammation. This underlying inflammation substantially hinders wound healing. To improve the outcome of chronic wounds, we harvested the potential of exosomes (nanovesicles) secreted from human adipose stem cells. We demonstrate that exosomes are efficiently taken up by skin cells and promote healing by significantly accelerating wound closure time. To understand the mechanism by which exosomes promote wound healing, we identified an RNA called GAS5 that is a driver of the regenerative properties of exosomes. Additionally, we identified the inflammation pathways that are regulated by GAS5 to promote the healing of wounds. Such a determination is essential to move exosome therapy into the clinic. In conclusion, our results demonstrate that exosomes harvested from human adipose stem cells accelerate the healing of chronic recalcitrant wounds and thus have a tremendous therapeutic potential in wound healing. Abstract Chronic recalcitrant wounds result from delayed or slowed healing processes. Underlying inflammation is a substantial risk factor for impaired dermal wound healing and often leads to chronic wound-related sequelae. Human adipose stem cells (hASCs) have shown tremendous potential in regenerative medicine. The goal of this project was to improve the outcome of chronic wounds by harvesting the exosomes from hASCs for therapeutic intervention. The results demonstrate that long noncoding RNA GAS5 is highly enriched in hASC exosomes and, further, that GAS5 is central to promoting wound repair in vitro. To evaluate the outcome of wound healing in a chronic low-grade inflammatory environment, lipopolysaccharide-treated HDF cells were evaluated for their response to hASC exosome treatment. Ingenuity pathway analysis identified inflammation pathways and genes affected by exosomes in a GAS5-dependent manner. Using siRNA to deplete GAS5 in HDF, the results demonstrated that Toll-like receptor 7 (TLR7) expression levels were regulated by GAS5. Importantly, the results demonstrate that GAS5 regulates inflammatory pathway genes in a chronic inflammation environment. The results presented here demonstrate that hASC exosomes are a viable therapeutic that accelerate the healing of chronic recalcitrant wounds.
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Affiliation(s)
- Rekha S. Patel
- James A. Haley Veteran’s Hospital, 13000 Bruce B Downs Blvd, Tampa, FL 33612, USA; (R.S.P.); (S.I.); (G.V.); (P.A.)
| | - Sabrina Impreso
- James A. Haley Veteran’s Hospital, 13000 Bruce B Downs Blvd, Tampa, FL 33612, USA; (R.S.P.); (S.I.); (G.V.); (P.A.)
| | - Ashley Lui
- Department of Molecular Medicine, University of South Florida, Tampa, FL 33612, USA;
| | - Gitanjali Vidyarthi
- James A. Haley Veteran’s Hospital, 13000 Bruce B Downs Blvd, Tampa, FL 33612, USA; (R.S.P.); (S.I.); (G.V.); (P.A.)
| | - Paul Albear
- James A. Haley Veteran’s Hospital, 13000 Bruce B Downs Blvd, Tampa, FL 33612, USA; (R.S.P.); (S.I.); (G.V.); (P.A.)
| | - Niketa A. Patel
- James A. Haley Veteran’s Hospital, 13000 Bruce B Downs Blvd, Tampa, FL 33612, USA; (R.S.P.); (S.I.); (G.V.); (P.A.)
- Department of Molecular Medicine, University of South Florida, Tampa, FL 33612, USA;
- Correspondence: or ; Tel.: +1-813-972-2000 (ext. 7283)
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EPC-EXs improve astrocyte survival and oxidative stress through different uptaking pathways in diabetic hypoxia condition. Stem Cell Res Ther 2022; 13:91. [PMID: 35241178 PMCID: PMC8896364 DOI: 10.1186/s13287-022-02766-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 01/10/2022] [Indexed: 01/12/2023] Open
Abstract
Background Hyperglycemia contributes to cardiovascular complications in patients with type 2 diabetes. We confirmed that high glucose (HG) induces endothelial dysfunction and cerebral ischemic injury is enlarged in diabetic mice. Stem cell-released exosomes have been shown to protect the brain from ischemic stroke. We have previously shown that endothelial progenitor cells (EPCs)-released exosomes (EPC-EXs) can protect endothelial cells from hypoxia/reoxygenation (H/R) and HG-induced injury. Here, we aim to investigate the effects of EPC-EXs on astrocytes under H/R and HG-induced injury and whether miR-126 enriched EPC-EXs (miR126-EPC-EXs) have enhanced efficacy. Methods EPC-EX uptake and co-localization were measured by fluorescent microscopy using PKH26 and DAPI staining. miR-126 enrichment was achieved by transfecting with miR-126 mimics and quantified with real-time PCR. After co-incubation, cell death or injury was measured by using LDH (Lactate Dehydrogenase) assay. Oxidative stress/ROS (reactive oxygen species) generation was measured by DHE (Dihydroethidium) staining and lipid peroxidation assay. Results The EPC-EXs were effectively taken up by the astrocytes in a concentration as well as time-dependent manners and were co-localized within the nucleus as well as the cytoplasm. Pathway uptake inhibitors revealed that the EPC-EXs are effectively taken up by the clathrin-mediated, caveolin-dependent, and micropinocytosis via PI3K/Akt pathway. H/R and HG-induced a cell injury which could be protected by EPC-EXs evidenced by decreased cell cytotoxicity, oxidative stress, and lipid peroxidation. Moreover, miR-126 overexpression could increase the level of miR-126 in astrocytes and enhance the protective effects of EPC-EXs. Conclusions These results collectively indicate that the EPC-EXs could protect astrocytes against the HG plus H/R-induced damage.
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Ormazabal V, Nova-Lampeti E, Rojas D, Zúñiga FA, Escudero C, Lagos P, Moreno A, Pavez Y, Reyes C, Yáñez M, Vidal M, Cabrera-Vives G, Oporto K, Aguayo C. Secretome from Human Mesenchymal Stem Cells-Derived Endothelial Cells Promotes Wound Healing in a Type-2 Diabetes Mouse Model. Int J Mol Sci 2022; 23:ijms23020941. [PMID: 35055129 PMCID: PMC8779848 DOI: 10.3390/ijms23020941] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 12/06/2021] [Accepted: 12/10/2021] [Indexed: 12/17/2022] Open
Abstract
Tissue regeneration is often impaired in patients with metabolic disorders such as diabetes mellitus and obesity, exhibiting reduced wound repair and limited regeneration capacity. We and others have demonstrated that wound healing under normal metabolic conditions is potentiated by the secretome of human endothelial cell-differentiated mesenchymal stem cells (hMSC-EC). However, it is unknown whether this effect is sustained under hyperglycemic conditions. In this study, the wound healing effect of secretomes from undifferentiated human mesenchymal stem cells (hMSC) and hMSC-EC in a type-2 diabetes mouse model was analyzed. hMSC were isolated from human Wharton’s jelly and differentiated into hMSC-EC. hMSC and hMSC-EC secretomes were analyzed and their wound healing capacity in C57Bl/6J mice fed with control (CD) or high fat diet (HFD) was evaluated. Our results showed that hMSC-EC secretome enhanced endothelial cell proliferation and wound healing in vivo when compared with hMSC secretome. Five soluble proteins (angiopoietin-1, angiopoietin-2, Factor de crecimiento fibroblástico, Matrix metallopeptidase 9, and Vascular Endothelial Growth Factor) were enriched in hMSC-EC secretome in comparison to hMSC secretome. Thus, the five recombinant proteins were mixed, and their pro-healing property was evaluated in vitro and in vivo. Functional analysis demonstrated that a cocktail of these proteins enhanced the wound healing process similar to hMSC-EC secretome in HFD mice. Overall, our results show that hMSC-EC secretome or a combination of specific proteins enriched in the hMSC-EC secretome enhanced wound healing process under hyperglycemic conditions.
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Affiliation(s)
- Valeska Ormazabal
- Department of Pharmacology, Faculty of Biological Sciences, Universidad de Concepción, Concepción 4030000, Chile; (V.O.); (P.L.)
| | - Estefanía Nova-Lampeti
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción 4030000, Chile; (E.N.-L.); (F.A.Z.); (A.M.); (Y.P.); (C.R.); (K.O.)
| | - Daniela Rojas
- Department of Animal Pathology, Faculty of Veterinary Sciences, Universidad de Concepción, Chillan 3787000, Chile;
| | - Felipe A. Zúñiga
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción 4030000, Chile; (E.N.-L.); (F.A.Z.); (A.M.); (Y.P.); (C.R.); (K.O.)
| | - Carlos Escudero
- Vascular Physiology Laboratory, Department of Basic Sciences, Universidad del Bio-Bio, Chillan 3787000, Chile;
- Group of Research and Innovation in Vascular Health (GRIVAS Health), Chillan 3787000, Chile
| | - Paola Lagos
- Department of Pharmacology, Faculty of Biological Sciences, Universidad de Concepción, Concepción 4030000, Chile; (V.O.); (P.L.)
| | - Alexa Moreno
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción 4030000, Chile; (E.N.-L.); (F.A.Z.); (A.M.); (Y.P.); (C.R.); (K.O.)
| | - Yanara Pavez
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción 4030000, Chile; (E.N.-L.); (F.A.Z.); (A.M.); (Y.P.); (C.R.); (K.O.)
| | - Camila Reyes
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción 4030000, Chile; (E.N.-L.); (F.A.Z.); (A.M.); (Y.P.); (C.R.); (K.O.)
| | - Milly Yáñez
- Department of Pathological Anatomy, Las Higueras Hospital, Talcahuano 4030000, Chile;
| | - Mabel Vidal
- Department of Computer Science, Faculty of Engineering, Universidad de Concepción, Concepción 4030000, Chile; (M.V.); (G.C.-V.)
| | - Guillermo Cabrera-Vives
- Department of Computer Science, Faculty of Engineering, Universidad de Concepción, Concepción 4030000, Chile; (M.V.); (G.C.-V.)
| | - Katherine Oporto
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción 4030000, Chile; (E.N.-L.); (F.A.Z.); (A.M.); (Y.P.); (C.R.); (K.O.)
| | - Claudio Aguayo
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción 4030000, Chile; (E.N.-L.); (F.A.Z.); (A.M.); (Y.P.); (C.R.); (K.O.)
- Group of Research and Innovation in Vascular Health (GRIVAS Health), Chillan 3787000, Chile
- Correspondence: ; Tel.: +56-41-2207196
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Deng H, Chen Y. The role of adipose-derived stem cells-derived extracellular vesicles in the treatment of diabetic foot ulcer: Trends and prospects. Front Endocrinol (Lausanne) 2022; 13:902130. [PMID: 35966086 PMCID: PMC9363610 DOI: 10.3389/fendo.2022.902130] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
Diabetic foot ulcer(DFU) is one of the most severe chronic complications of type 2 diabetes mellitus, which is mainly caused by peripheral vascular occlusion with various degrees of infection. Treatment of DFU is difficult, and ulcer formation in lower limbs and deep-tissue necrosis might lead to disability or even death. Insulin resistance is the major mechanism of type 2 diabetes mellitus development, largely caused by adipose tissue dysfunction. However, adipose tissue was recently identified as an important endocrine organ that secretes bio-active factors, such as adipokines and extracellular vesicles(EVs). And adipose tissue-derived stem cells(ADSCs) are abundant in adipose tissue and have become a hot topic in the tissue engineering field. In particular, EVs derived from ADSCs contain abundant biomarkers and mediators. These EVs exert significant effects on distant cells and organs, contributing to metabolic homeostasis. In this review, we aim to elaborate on the mechanisms of diabetic non-healing wound development and the role of ADSCs-EVs in wound repair, which might provide a new therapy for treating DFU.
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Affiliation(s)
- Hongyan Deng
- Division of Endocrinology, Internal Medicine, Tongji Hospital, Huazhong University of Science & Technology, Wuhan, China
- Laboratory of Endocrinology, Tongji Hospital, Huazhong University of Science & Technology, Wuhan, China
| | - Yong Chen
- Division of Endocrinology, Internal Medicine, Tongji Hospital, Huazhong University of Science & Technology, Wuhan, China
- Laboratory of Endocrinology, Tongji Hospital, Huazhong University of Science & Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
- *Correspondence: Yong Chen,
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43
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Phan TH, Kim SY, Rudge C, Chrzanowski W. Made by cells for cells - extracellular vesicles as next-generation mainstream medicines. J Cell Sci 2022; 135:273969. [PMID: 35019142 DOI: 10.1242/jcs.259166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Current medicine has only taken us so far in reducing disease and tissue damage. Extracellular vesicles (EVs), which are membranous nanostructures produced naturally by cells, have been hailed as a next-generation medicine. EVs deliver various biomolecules, including proteins, lipids and nucleic acids, which can influence the behaviour of specific target cells. Since EVs not only mirror composition of their parent cells but also modify the recipient cells, they can be used in three key areas of medicine: regenerative medicine, disease detection and drug delivery. In this Review, we discuss the transformational and translational progress witnessed in EV-based medicine to date, focusing on two key elements: the mechanisms by which EVs aid tissue repair (for example, skin and bone tissue regeneration) and the potential of EVs to detect diseases at an early stage with high sensitivity and specificity (for example, detection of glioblastoma). Furthermore, we describe the progress and results of clinical trials of EVs and demonstrate the benefits of EVs when compared with traditional medicine, including cell therapy in regenerative medicine and solid biopsy in disease detection. Finally, we present the challenges, opportunities and regulatory framework confronting the clinical application of EV-based products.
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Affiliation(s)
- Thanh Huyen Phan
- The University of Sydney, Sydney Nano Institute, Faculty of Medicine and Health, Sydney School of Pharmacy, Pharmacy and Bank Building A15, Camperdown, NSW 2006, Australia
| | - Sally Yunsun Kim
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK
| | - Christopher Rudge
- The University of Sydney, Sydney Health Law, New Law Building F10, Camperdown, NSW 2006, Australia
| | - Wojciech Chrzanowski
- The University of Sydney, Sydney Nano Institute, Faculty of Medicine and Health, Sydney School of Pharmacy, Pharmacy and Bank Building A15, Camperdown, NSW 2006, Australia
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44
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Hong P, Yu M, Tian W. Diverse RNAs in adipose-derived extracellular vesicles and their therapeutic potential. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 26:665-677. [PMID: 34703651 PMCID: PMC8516999 DOI: 10.1016/j.omtn.2021.08.028] [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: 02/08/2023]
Abstract
Adipose tissue, which is considered an energy storage and active endocrine organ, produces and secretes a large amount of adipokines to regulate distant targets through blood circulation, especially extracellular vesicles (EVs). As cell-derived, membranous nanoparticles, EVs have recently garnered great attention as novel mediators in establishing intercellular communications as well as in accelerating interorgan crosstalk. Studies have revealed that the RNAs, including coding RNAs (messenger RNAs) and noncoding RNAs (long noncoding RNAs, microRNAs, and circular RNAs) are key bioactive cargoes of EV functions in various pathophysiological processes, such as cell differentiation, metabolic homeostasis, immune signal transduction, and cancer. Moreover, certain EV-contained RNAs have gradually been recognized as novel biomarkers, prognostic indicators, or even therapeutic nanodrugs of diseases. Therefore, in this review, we comprehensively summarize different classes of RNAs presented in adipose-derived EVs and discuss their therapeutic potential according to the latest research progress to provide valuable knowledge in this area.
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Affiliation(s)
- Pengyu Hong
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Diseases West China School of Stomatology, Sichuan University, Chengdu, China.,National Engineering Laboratory for Oral Regenerative Medicine, West China School of Stomatology, Sichuan University, Chengdu, China.,Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mei Yu
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Diseases West China School of Stomatology, Sichuan University, Chengdu, China.,National Engineering Laboratory for Oral Regenerative Medicine, West China School of Stomatology, Sichuan University, Chengdu, China.,Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
| | - Weidong Tian
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Diseases West China School of Stomatology, Sichuan University, Chengdu, China.,National Engineering Laboratory for Oral Regenerative Medicine, West China School of Stomatology, Sichuan University, Chengdu, China.,Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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45
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Abstract
Exosomes are nano-sized extracellular vesicles (30–160 nm diameter) with lipid bilayer membrane secrete by various cells that mediate the communication between cells and tissue, which contain a variety of non-coding RNAs, mRNAs, proteins, lipids and other functional substances. Adipose tissue is important energy storage and endocrine organ in the organism. Recent studies have revealed that adipose tissue-derived exosomes (AT-Exosomes) play a critical role in many physiologically and pathologically functions. Physiologically, AT-Exosomes could regulate the metabolic homoeostasis of various organs or cells including liver and skeletal muscle. Pathologically, they could be used in the treatment of disease and or that they may be involved in the progression of the disease. In this review, we describe the basic principles and methods of exosomes isolation and identification, as well as further summary the specific methods. Moreover, we categorize the relevant studies of AT-Exosomes and summarize the different components and biological functions of mammalian exosomes. Most importantly, we elaborate AT-Exosomes crosstalk within adipose tissue and their functions on other tissues or organs from the physiological and pathological perspective. Based on the above analysis, we discuss what remains to be discovered problems in AT-Exosomes studies and prospect their directions needed to be further explored in the future.
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Affiliation(s)
- Rui Zhao
- Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&f University, Yangling, China
| | - Tiantian Zhao
- Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&f University, Yangling, China
| | - Zhaozhao He
- Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&f University, Yangling, China
| | - Rui Cai
- Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&f University, Yangling, China
| | - Weijun Pang
- Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&f University, Yangling, China
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Mattingly J, Li Y, Bihl JC, Wang J. The promise of exosome applications in treating central nervous system diseases. CNS Neurosci Ther 2021; 27:1437-1445. [PMID: 34636491 PMCID: PMC8611778 DOI: 10.1111/cns.13743] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/25/2021] [Accepted: 09/27/2021] [Indexed: 12/18/2022] Open
Abstract
Exosomes (EXs), a type of extracellular vesicles, are secreted from virtually all types of cells. EXs serve as cell-to-cell communicators by conveying proteins and nucleic acids with regulatory functions. Increasing evidence shows that EXs are implicated in the pathogenesis of central nervous system (CNS) diseases. Moreover, EXs have recently been highlighted as a new promising therapeutic strategy for in vivo delivery of nucleotides and drugs. Studies have revealed that infusion of EXs elicits beneficial effects on the CNS injury animal models. As compared to cell-based therapy, EXs-based therapy for CNS diseases has unique advantages, opening a new path for neurological medicine. In this review, we summarized the current state of knowledge of EXs, the roles and applications of EXs as a viable pathological biomarker, and EX-based therapy for CNS diseases.
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Affiliation(s)
- Jared Mattingly
- Department of Biomedical SciencesJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWest VirginiaUSA
| | - Yuchen Li
- Department of Pharmacology and ToxicologyBoonshoft School of MedicineWright State UniversityDaytonOhioUSA
| | - Ji C. Bihl
- Department of Biomedical SciencesJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWest VirginiaUSA
| | - Jinju Wang
- Department of Biomedical SciencesJoan C. Edwards School of MedicineMarshall UniversityHuntingtonWest VirginiaUSA
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Mostafavinia A, Amini A, Ahmadi H, Rezaei F, Ghoreishi SK, Chien S, Bayat M. Combined Treatment of Photobiomodulation and Arginine on Chronic Wound Healing in an Animal Model. J Lasers Med Sci 2021; 12:e40. [PMID: 34733763 DOI: 10.34172/jlms.2021.40] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 03/06/2021] [Indexed: 01/22/2023]
Abstract
Introduction: Herein, the individual and combined effects of photobiomodulation (PBM) and arginine (ARG) on the wound healing course of an experimental model of a slow healing wound (ulcer) in rats were assessed. Methods: A total of 108 male rats were divided into 6 groups: control; lower energy density (low)-PBM; arginine ointment (ARG); low-PBM+ARG; high energy density (high)-PBM; and high-PBM+ARG. In each rat, one ischemic wound in the center of a bipedicle flap and one non-ischemic wound out of the flap were created. Both wounds were treated in the experimental groups. Microbial growth, wound area, and wound strength were assessed on days 0, 5, 10, 15, and 20 after wound infliction. Results: All non-ischemic wounds closed before day 15. High-PBM+ARG and ARG significantly increased wound closure rates compared to the control group (LSD test, P = 0.000, and P = 0.001, respectively) on day 10. All slow healing wounds were open on day 15 but closed completely before day 20. Low-PBM+ARG and high-PBM significantly increased wound strength (stress high load, SHL) on day 10 compared to the control group (LSD test, P = 0.001, and P = 0.000, respectively). ARG, high-PBM, and low-PBM+ARG significantly increased wound closure rates on day 15 relative to the control group (LSD test, P = 0.000, P = 0.000, and P = 0.001, respectively). Conclusion: High-PBM and low-PBM+ARG have biostimulatory and antibacterial effects on slow-healing wounds, which were shown by significant increases in wound closure rates, wound strength, and inhibition of Staphylococcus aureus growth.
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Affiliation(s)
- Atarodsadat Mostafavinia
- Department of Anatomy, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Abdollah Amini
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences (SBMU), Tehran, Iran
| | - Houssein Ahmadi
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences (SBMU), Tehran, Iran
| | - Fatemehalsadat Rezaei
- University of Kentucky College of Pharmacy 789 South Limestone Lexington, Kentucky 40536, USA
| | | | - Sufan Chien
- Price Institute of Surgical Research, University of Louisville, and Noveratech LLC of Louisville, Louisville, Kentucky, USA
| | - Mohammad Bayat
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences (SBMU), Tehran, Iran.,Price Institute of Surgical Research, University of Louisville, and Noveratech LLC of Louisville, Louisville, Kentucky, USA
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48
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Ma J, Zhang Z, Wang Y, Shen H. Investigation of miR-126-3p loaded on adipose stem cell-derived exosomes for wound healing of full-thickness skin defects. Exp Dermatol 2021; 31:362-374. [PMID: 34694648 DOI: 10.1111/exd.14480] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 09/01/2021] [Accepted: 10/16/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To investigate the function of miR-126-3p loaded on adipose stem cell (ADSC)-derived exosomes (ADSC-Exos) in wound healing of full-thickness skin defects. METHODS ADSCs transfected with miR-126-3p mimic, miR-126-3p inhibitor or pcDNA3.1-PIK3R2, or PKH26-marked ADSC-Exos were cultured with fibroblasts or human umbilical vein endothelial cells (HUVECs). The proliferation and migration rates of fibroblasts and angiogenesis of HUVECs were measured. Rats with full-thickness skin defects were injected with ADSC-Exos or exosomes extracted from ADSCs transfected with miR-126-3p inhibitor and the wound healing rates were measured. The wound bed, collagen deposition and angiogenesis in injured rats were assessed. RESULTS ADSC-Exos could be ingested by fibroblasts and HUVECs. Co-incubation with ADSCs or ADSC-Exos promoted the proliferation and migration of fibroblasts and angiogenesis of HUVECs, which was further enhanced by miR-126-3p overexpression. Inhibition of ADSC-Exos or miR-126-3p or PIK3R2 overexpression suppressed the proliferation and migration of fibroblasts and angiogenesis of HUVECs. ADSC-derived exosomal miR-126-3p increased wound healing rate, collagen deposition and newly formed vessels in injured rats. CONCLUSION ADSC-derived exosomal miR-126-3p promotes wound healing of full-thickness skin defects by targeting PIK3R2.
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Affiliation(s)
- Jie Ma
- Department of Plastic Surgery, Shanghai General Hospital, Shanghai, 201620, P.R. China
| | - Zhaofeng Zhang
- Department of Plastic Surgery, Shanghai General Hospital, Shanghai, 201620, P.R. China
| | - Yinmin Wang
- Department of Plastic Surgery, Shanghai General Hospital, Shanghai, 201620, P.R. China
| | - Hua Shen
- Department of Plastic Surgery, Shanghai General Hospital, Shanghai, 201620, P.R. China
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49
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Lee PW, Wu BS, Yang CY, Lee OKS. Molecular Mechanisms of Mesenchymal Stem Cell-Based Therapy in Acute Kidney Injury. Int J Mol Sci 2021; 22:11406. [PMID: 34768837 PMCID: PMC8583897 DOI: 10.3390/ijms222111406] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 12/12/2022] Open
Abstract
Acute kidney injury (AKI) causes a lot of harm to human health but is treated by only supportive therapy in most cases. Recent evidence shows that mesenchymal stem cells (MSCs) benefit kidney regeneration through releasing paracrine factors and extracellular vesicles (EVs) to the recipient kidney cells and are considered to be promising cellular therapy for AKI. To develop more efficient, precise therapies for AKI, we review the therapeutic mechanism of MSCs and MSC-derived EVs in AKI and look for a better understanding of molecular signaling and cellular communication between donor MSCs and recipient kidney cells. We also review recent clinical trials of MSC-EVs in AKI. This review summarizes the molecular mechanisms of MSCs' therapeutic effects on kidney regeneration, expecting to comprehensively facilitate future clinical application for treating AKI.
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Grants
- Yin Yen-Liang Foundation Development and Construction Plan (107F-M01-0504) National Yang-Ming University
- MOST 108-2923-B-010-002-MY3, MOST 109-2314-B-010-053-MY3, MOST 109-2811-B-010-532, MOST 109-2926-I-010-502, MOST 109-2823-8-010-003-CV, MOST 109-2622-B-010-006, MOST 109-2321-B-010-006, MOST 110-2923-B-A49A-501-MY3, and MOST 110-2321-B-A49-003 Ministry of Science and Technology, Taiwan
- V106D25-003-MY3, VGHUST107-G5-3-3, VGHUST109-V5-1-2, and V110C-194 Taipei Veterans General Hospital
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B) Ministry of Education
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Affiliation(s)
- Pei-Wen Lee
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (P.-W.L.); (B.-S.W.)
- Hong Deh Clinic, Taipei 11251, Taiwan
| | - Bo-Sheng Wu
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (P.-W.L.); (B.-S.W.)
- Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Chih-Yu Yang
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (P.-W.L.); (B.-S.W.)
- Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Medicine, Division of Nephrology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-Devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
- Stem Cell Research Center, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Oscar Kuang-Sheng Lee
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan; (P.-W.L.); (B.-S.W.)
- Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Stem Cell Research Center, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Orthopedics, China Medical University Hospital, Taichung 40447, Taiwan
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50
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Abstract
Scar is a common way of healing after tissue injury. The poor scar healing will not only cause dysfunction of tissues and organs but also affect the appearance of the patients’ body surface, which causes the pressure of life and spirit to the patients. However, the formation of scar tissue is an extremely complex process and its mechanism is not fully understood. At present, there is no treatment method to eliminate scars completely. Fibroblasts are the most abundant cells in the dermis, which have the ability to synthesize and remodel extracellular matrix (ECM). Myofibroblasts actively participate in the wound healing process and influence the outcome. Therefore, both of them play important roles in wound healing and scar formation. Adipose tissue-derived stem cells (ADSCs) are pluripotent stem cells that can act on target cells by paracrine. Adipose tissue stem cell-derived exosomes (ADSC-Exos) are important secretory substances of ADSCs. They are nanomembrane vesicles that can transport a variety of cellular components and fuse with target cells. In this review, we will discuss the effects of ADSCs and ADSC-Exos on the behavior of fibroblasts and myofibroblasts during wound healing and scarring stage in combination with recent studies.
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