1
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Fuster-Martínez I, Calatayud S. The currrent landscape of antifibrotic therapy across different organs: A systematic approach. Pharmacol Res 2024; 205:107245. [PMID: 38821150 DOI: 10.1016/j.phrs.2024.107245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/28/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
Fibrosis is a common pathological process that can affect virtually all the organs, but there are hardly any effective therapeutic options. This has led to an intense search for antifibrotic therapies over the last decades, with a great number of clinical assays currently underway. We have systematically reviewed all current and recently finished clinical trials involved in the development of new antifibrotic drugs, and the preclinical studies analyzing the relevance of each of these pharmacological strategies in fibrotic processes affecting tissues beyond those being clinically studied. We analyze and discuss this information with the aim of determining the most promising options and the feasibility of extending their therapeutic value as antifibrotic agents to other fibrotic conditions.
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Affiliation(s)
- Isabel Fuster-Martínez
- Departamento de Farmacología, Universitat de València, Valencia 46010, Spain; FISABIO (Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunidad Valenciana), Valencia 46020, Spain.
| | - Sara Calatayud
- Departamento de Farmacología, Universitat de València, Valencia 46010, Spain; CIBERehd (Centro de Investigación Biomédica en Red - Enfermedades Hepáticas y Digestivas), Spain.
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2
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Miedema J, Cinetto F, Smed-Sörensen A, Spagnolo P. The immunopathogenesis of sarcoidosis. J Autoimmun 2024:103247. [PMID: 38734536 DOI: 10.1016/j.jaut.2024.103247] [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: 02/27/2024] [Revised: 04/30/2024] [Accepted: 05/06/2024] [Indexed: 05/13/2024]
Abstract
Sarcoidosis is a granulomatous multiorgan disease, thought to result from exposure to yet unidentified antigens in genetically susceptible individuals. The exaggerated inflammatory response that leads to granuloma formation is highly complex and involves the innate and adaptive immune system. Consecutive immunological studies using advanced technology have increased our understanding of aberrantly activated immune cells, mediators and pathways that influence the formation, maintenance and resolution of granulomas. Over the years, it has become increasingly clear that disease immunopathogenesis can only be understood if the clinical heterogeneity of sarcoidosis is taken into consideration, along with the distribution of immune cells in peripheral blood and involved organs. Most studies offer an immunological snapshot during disease course, while the cellular composition of both the circulation and tissue microenvironment may change over time. Despite these challenges, novel insights on the role of the immune system are continuously published, thus bringing the field forward. This review highlights current knowledge on the innate and adaptive immune responses involved in sarcoidosis pathogenesis, as well as the pathways involved in non-resolving disease and fibrosis development. Additionally, we describe proposed immunological mechanisms responsible for drug-induced sarcoid like reactions. Although many aspects of disease immunopathogenesis remain to be unraveled, the identification of crucial immune reactions in sarcoidosis may help identify new treatment targets. We therefore also discuss potential therapies and future strategies based on the latest immunological findings.
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Affiliation(s)
- Jelle Miedema
- Department of Pulmonary Medicine, Center of Expertise for Interstitial Lung Disease, Erasmus University Medical Center, Rotterdam, the Netherlands.
| | - Francesco Cinetto
- Rare Diseases Referral Center, Internal Medicine 1, Ca' Foncello Hospital, AULSS2 Marca Trevigiana, Italy; Department of Medicine - DIMED, University of Padova, Padova, Italy.
| | - Anna Smed-Sörensen
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden.
| | - Paolo Spagnolo
- Respiratory Disease Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, Padova, Italy.
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3
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Frommer ML, Langridge BJ, Beedie A, Jasionowska S, Awad L, Denton CP, Abraham DJ, Abu-Hanna J, Butler PEM. Exploring Anti-Fibrotic Effects of Adipose-Derived Stem Cells: Transcriptome Analysis upon Fibrotic, Inflammatory, and Hypoxic Conditioning. Cells 2024; 13:693. [PMID: 38667308 PMCID: PMC11049044 DOI: 10.3390/cells13080693] [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: 03/01/2024] [Revised: 04/08/2024] [Accepted: 04/13/2024] [Indexed: 04/28/2024] Open
Abstract
Autologous fat transfers show promise in treating fibrotic skin diseases, reversing scarring and stiffness, and improving quality of life. Adipose-derived stem cells (ADSCs) within these grafts are believed to be crucial for this effect, particularly their secreted factors, though the specific mechanisms remain unclear. This study investigates transcriptomic changes in ADSCs after in vitro fibrotic, inflammatory, and hypoxic conditioning. High-throughput gene expression assays were conducted on ADSCs exposed to IL1-β, TGF-β1, and hypoxia and in media with fetal bovine serum (FBS). Flow cytometry characterized the ADSCs. RNA-Seq analysis revealed distinct gene expression patterns between the conditions. FBS upregulated pathways were related to the cell cycle, replication, wound healing, and ossification. IL1-β induced immunomodulatory pathways, including granulocyte chemotaxis and cytokine production. TGF-β1 treatment upregulated wound healing and muscle tissue development pathways. Hypoxia led to the downregulation of mitochondria and cellular activity.
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Affiliation(s)
- Marvin L. Frommer
- Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London NW3 2QG, UK
- Department of Surgical Biotechnology, Division of Surgery & Interventional Science, University College London, London NW3 2QG, UK
- Department of Plastic Surgery, Royal Free Hospital, London NW3 2QG, UK
| | - Benjamin J. Langridge
- Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London NW3 2QG, UK
- Department of Surgical Biotechnology, Division of Surgery & Interventional Science, University College London, London NW3 2QG, UK
- Department of Plastic Surgery, Royal Free Hospital, London NW3 2QG, UK
| | - Alexandra Beedie
- Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London NW3 2QG, UK
- Department of Plastic Surgery, Royal Free Hospital, London NW3 2QG, UK
| | - Sara Jasionowska
- Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London NW3 2QG, UK
- Department of Plastic Surgery, Royal Free Hospital, London NW3 2QG, UK
| | - Laura Awad
- Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London NW3 2QG, UK
- Department of Plastic Surgery, Royal Free Hospital, London NW3 2QG, UK
| | - Christopher P. Denton
- Centre for Rheumatology, Department of Inflammation and Rare Diseases, Division of Medicine, University College London, London NW3 2QG, UK
| | - David J. Abraham
- Centre for Rheumatology, Department of Inflammation and Rare Diseases, Division of Medicine, University College London, London NW3 2QG, UK
| | - Jeries Abu-Hanna
- Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London NW3 2QG, UK
- Division of Medical Sciences, University of Oxford, Oxford OX3 9DU, UK
| | - Peter E. M. Butler
- Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London NW3 2QG, UK
- Department of Surgical Biotechnology, Division of Surgery & Interventional Science, University College London, London NW3 2QG, UK
- Department of Plastic Surgery, Royal Free Hospital, London NW3 2QG, UK
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4
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Post TE, Denney C, Cohen A, Jordan J, Limper U. Human hypoxia models in aerospace medicine: Potential applications for human pharmacological research. Br J Clin Pharmacol 2024. [PMID: 38556349 DOI: 10.1111/bcp.16040] [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: 06/21/2023] [Revised: 02/07/2024] [Accepted: 02/17/2024] [Indexed: 04/02/2024] Open
Abstract
Aerospace medicine required controlled terrestrial models to investigate influences of altered atmosphere conditions, such as hypoxia, on human health and performance. These models could potentially be expanded to encompass disease conditions or treatment targets regulated through hypoxia or hypercapnia. Hypoxia, a condition in which the body is deprived of adequate oxygen supply, profoundly affects human physiology at multiple levels and contributes to the pathogenesis of various diseases. Experimental exposure to hypoxic conditions has gained recognition as a model for studying diseases such as pulmonary hypertension, chronic obstructive pulmonary disease, obstructive sleep apnoea, migraine and kidney disease. This approach may be particularly useful in mechanism-oriented early-stage clinical studies. This review discusses the ability of hypoxia models from space medicine research to mimic or induce these conditions in a controlled laboratory setting as a tool for testing the efficacy and safety of new pharmaceutical interventions.
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Affiliation(s)
- Titiaan E Post
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
- Centre for Human Drug Research (CHDR), Leiden, The Netherlands
| | - Cayla Denney
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
| | - Adam Cohen
- DDCD Consulting and Leiden University Medical Centre, Leiden, The Netherlands
| | - Jens Jordan
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
- Medical Faculty, University of Cologne, Cologne, Germany
| | - Ulrich Limper
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
- Department of Anesthesiology and Intensive Care Medicine, Merheim Medical Center, Hospitals of Cologne, University of Witten/Herdecke, Cologne, Germany
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5
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Chen XY, Wang TT, Shen Q, Ma H, Li ZH, Yu XN, Huang XF, Qing LS, Luo P. Preclinical Investigations on Anti-fibrotic Potential of Long-Term Oral Therapy of Sodium Astragalosidate in Animal Models of Cardiac and Renal Fibrosis. ACS Pharmacol Transl Sci 2024; 7:421-431. [PMID: 38357273 PMCID: PMC10863439 DOI: 10.1021/acsptsci.3c00264] [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: 10/01/2023] [Revised: 12/08/2023] [Accepted: 12/19/2023] [Indexed: 02/16/2024]
Abstract
In traditional Chinese medicine, Radix Astragali has played a vital role in treating progressive fibrotic diseases. One of its main active components, astragaloside IV, is a promising anti-fibrotic treatment despite its extremely low bioavailability. Our study aimed to optimize sodium astragalosidate (SA) by salt formation to improve solubility and oral absorption for anti-fibrotic therapy in vivo. Isoproterenol-induced myocardial fibrosis rat models and obese BKS-db mice presenting diabetic kidney fibrosis were used in this study. Daily oral administration of SA (20 mg/kg) for 14 days ameliorated cardiac fibrosis by reducing collagen accumulation and fibrosis-related inflammatory signals, including TNF-α, IL-1β, and IL-6. In db/db mice, SA (5,10, and 20 mg/kg per day for 8 weeks) dose-dependently alleviated lipid metabolism impairment and renal dysfunction when administered orally. Furthermore, Western blot and immunohistochemistry analyses demonstrated that SA treatment inhibited renal fibrosis by suppressing TGF-β1/Smads signaling. Taken together, our findings provide the oral-route medication availability of SA, which thus might offer a novel lead compound in preclinical trial-enabling studies for developing a long-term therapy to treat and prevent fibrosis.
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Affiliation(s)
- Xiao-Yi Chen
- State
Key Laboratories for Quality Research in Chinese Medicines, Faculty
of Pharmacy, Macau University of Science
and Technology, Macau 999078, China
- Institute
of Medicinal Biotechnology, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100050, China
| | - Tian-Tian Wang
- State
Key Laboratories for Quality Research in Chinese Medicines, Faculty
of Pharmacy, Macau University of Science
and Technology, Macau 999078, China
- Chengdu
Institute of Biology, Chinese Academy of
Sciences, Chengdu 610041, China
| | - Qing Shen
- State
Key Laboratories for Quality Research in Chinese Medicines, Faculty
of Pharmacy, Macau University of Science
and Technology, Macau 999078, China
- Collaborative
Innovation Center of Seafood Deep Processing, Zhejiang Province Joint
Key Laboratory of Aquatic Products Processing, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310012, China
| | - Hao Ma
- State
Key Laboratories for Quality Research in Chinese Medicines, Faculty
of Pharmacy, Macau University of Science
and Technology, Macau 999078, China
| | - Zhan-Hua Li
- State
Key Laboratories for Quality Research in Chinese Medicines, Faculty
of Pharmacy, Macau University of Science
and Technology, Macau 999078, China
| | - Xi-Na Yu
- State
Key Laboratories for Quality Research in Chinese Medicines, Faculty
of Pharmacy, Macau University of Science
and Technology, Macau 999078, China
| | - Xiao-Feng Huang
- Chengdu
Institute of Biology, Chinese Academy of
Sciences, Chengdu 610041, China
| | - Lin-Sen Qing
- Chengdu
Institute of Biology, Chinese Academy of
Sciences, Chengdu 610041, China
| | - Pei Luo
- State
Key Laboratories for Quality Research in Chinese Medicines, Faculty
of Pharmacy, Macau University of Science
and Technology, Macau 999078, China
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6
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Rafiei P, Raeeszadeh M, Mohammadzadeh P. Comparative efficacy of Salix aegyptiaca's active compound versus phenytoin in healing full-thickness rat skin wounds: An animal model study. J Tissue Viability 2024; 33:135-143. [PMID: 38290935 DOI: 10.1016/j.jtv.2024.01.003] [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: 10/05/2023] [Revised: 11/12/2023] [Accepted: 01/24/2024] [Indexed: 02/01/2024]
Abstract
BACKGROUND Wound healing poses a challenging therapeutic scenario, requiring diverse clinical approaches. OBJECTIVES This study aims to assess the wound-healing potential of Salix aegyptiaca's flower ointment compared to phenytoin, considering the active constituents of S. aegyptiaca and its traditional usage. METHODS Initially, the active components of S. aegyptiaca were isolated and identified through the GC-MS technique. Subsequently, for the experimental intervention, thirty-five rats were divided into five distinct groups: control (C), phenytoin (F), and three S. aegyptiaca ointment groups at different concentrations (5 % - S5, 25 % - S25, and 50 % - S50). Anesthesia was administered, and wounds were induced on the animals' necks following a standard procedure. These wounds were then treated for a duration of 21 days. Wound healing progress was quantified, and histopathological assessments were conducted using hematoxylin and eosin staining and Mason's trichrome staining. RESULTS The main active compounds of S. aegyptiaca, namely n-hexadecanoic acid and oleic acid, were identified via GC-MS analysis. Although the initial group weights did not show a significant difference (P = 0.271), a significant variation was observed in the final weights (P = 0.003). The S50 group exhibited a lower wound healing rate than the S25 group on the 7th and 14th days but surpassed it on the 21st day (C < F < S5≈S25 CONCLUSION The findings highlight the superior wound-healing efficacy of 50 % S. aegyptiaca ointment over phenytoin ointment.
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Affiliation(s)
- Pouria Rafiei
- Graduate of Faculty of Veterinary Sciences, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
| | - Mahdieh Raeeszadeh
- Department of Basic Sciences, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran.
| | - Peyman Mohammadzadeh
- Department of Pathobiology Sciences, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
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7
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Correa-Gallegos D, Ye H, Dasgupta B, Sardogan A, Kadri S, Kandi R, Dai R, Lin Y, Kopplin R, Shenai DS, Wannemacher J, Ichijo R, Jiang D, Strunz M, Ansari M, Angelidis I, Schiller HB, Volz T, Machens HG, Rinkevich Y. CD201 + fascia progenitors choreograph injury repair. Nature 2023; 623:792-802. [PMID: 37968392 PMCID: PMC10665192 DOI: 10.1038/s41586-023-06725-x] [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: 08/29/2022] [Accepted: 10/09/2023] [Indexed: 11/17/2023]
Abstract
Optimal tissue recovery and organismal survival are achieved by spatiotemporal tuning of tissue inflammation, contraction and scar formation1. Here we identify a multipotent fibroblast progenitor marked by CD201 expression in the fascia, the deepest connective tissue layer of the skin. Using skin injury models in mice, single-cell transcriptomics and genetic lineage tracing, ablation and gene deletion models, we demonstrate that CD201+ progenitors control the pace of wound healing by generating multiple specialized cell types, from proinflammatory fibroblasts to myofibroblasts, in a spatiotemporally tuned sequence. We identified retinoic acid and hypoxia signalling as the entry checkpoints into proinflammatory and myofibroblast states. Modulating CD201+ progenitor differentiation impaired the spatiotemporal appearances of fibroblasts and chronically delayed wound healing. The discovery of proinflammatory and myofibroblast progenitors and their differentiation pathways provide a new roadmap to understand and clinically treat impaired wound healing.
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Affiliation(s)
| | - Haifeng Ye
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Bikram Dasgupta
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Aydan Sardogan
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Safwen Kadri
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Ravinder Kandi
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Ruoxuan Dai
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Yue Lin
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Robert Kopplin
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Disha Shantaram Shenai
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Juliane Wannemacher
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Ryo Ichijo
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Dongsheng Jiang
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany
| | - Maximilian Strunz
- Member of the German Centre for Lung Research (DZL), Comprehensive Pneumology Center (CPC) and Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Munich, Germany
| | - Meshal Ansari
- Member of the German Centre for Lung Research (DZL), Comprehensive Pneumology Center (CPC) and Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Munich, Germany
| | - Illias Angelidis
- Member of the German Centre for Lung Research (DZL), Comprehensive Pneumology Center (CPC) and Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Munich, Germany
| | - Herbert B Schiller
- Member of the German Centre for Lung Research (DZL), Comprehensive Pneumology Center (CPC) and Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Munich, Germany
- Institute of Experimental Pneumology, Ludwig-Maximilians University Hospital, Munich, Germany
| | - Thomas Volz
- Klinikum rechts der Isar, Department of Dermatology, School of Medicine, Technical University of Munich, Munich, Germany
| | - Hans-Günther Machens
- Klinikum rechts der Isar, Department of Plastic and Hand Surgery, School of Medicine, Technical University of Munich, Munich, Germany
| | - Yuval Rinkevich
- Institute of Regenerative Biology and Medicine (IRBM), Helmholtz Munich, Munich, Germany.
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8
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Turan TL, Klein HJ, Hackler J, Hoerner L, Rijntjes E, Graf TR, Plock JA, Schomburg L. Serum Selenium-Binding Protein 1 (SELENBP1) in Burn Injury: A Potential Biomarker of Disease Severity and Clinical Course. Antioxidants (Basel) 2023; 12:1927. [PMID: 38001780 PMCID: PMC10669776 DOI: 10.3390/antiox12111927] [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: 10/04/2023] [Revised: 10/24/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023] Open
Abstract
Oxidative stress, systemic inflammation, and metabolic derangements are hallmarks of burn pathophysiology. Severely burned patients are highly susceptible to infectious complications. Selenium-binding protein 1 (SELENBP1) modulates intracellular redox homeostasis, and elevated serum concentrations have been associated with adverse clinical outcomes in trauma patients. We hypothesized that serum SELENBP1 at hospital admission and during hospitalization may constitute a meaningful biomarker of disease severity and the clinical course in burn injury, with pulmonary infection as primary endpoint. To this end, we conducted a prospective cohort study that included 90 adult patients admitted to the Burn Center of the University Hospital Zurich, Switzerland. Patients were treated according to the local standard of care, with high-dose selenium supplementation during the first week. Serum SELENBP1 was determined at nine time-points up to six months postburn and the data were correlated to clinical parameters. SELENBP1 was initially elevated and rapidly declined within the first day. Baseline SELENBP1 levels correlated positively with the Abbreviated Burn Severity Index (ABSI) (R = 0.408; p < 0.0001). In multiple logistic regression, a higher ABSI was significantly associated with increased pulmonary infection risk (OR, 14.4; 95% CI, 3.2-88.8; p = 0.001). Similarly, baseline SELENBP1 levels constituted a novel but less accurate predictor of pulmonary infection risk (OR, 2.5; 95% CI, 0.7-8.9; p = 0.164). Further studies are needed to explore the additional value of serum SELENBP1 when stratifying patients with respect to the clinical course following major burns and, potentially, for monitoring therapeutic measures aimed at reducing tissue damage and oxidative stress.
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Affiliation(s)
- Tabael L. Turan
- Institute for Experimental Endocrinology, Max Rubner Center for Cardiovascular Metabolic Renal Research, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10115 Berlin, Germany; (T.L.T.); (L.H.); (E.R.)
| | - Holger J. Klein
- Department of Plastic Surgery and Hand Surgery, University Hospital Zurich, 8091 Zurich, Switzerland; (H.J.K.); (J.A.P.)
- Department of Plastic Surgery and Hand Surgery, Cantonal Hospital Aarau, 5001 Aarau, Switzerland
| | - Julian Hackler
- Institute for Experimental Endocrinology, Max Rubner Center for Cardiovascular Metabolic Renal Research, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10115 Berlin, Germany; (T.L.T.); (L.H.); (E.R.)
| | - Livia Hoerner
- Institute for Experimental Endocrinology, Max Rubner Center for Cardiovascular Metabolic Renal Research, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10115 Berlin, Germany; (T.L.T.); (L.H.); (E.R.)
| | - Eddy Rijntjes
- Institute for Experimental Endocrinology, Max Rubner Center for Cardiovascular Metabolic Renal Research, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10115 Berlin, Germany; (T.L.T.); (L.H.); (E.R.)
| | - Theresia Reding Graf
- Department of Visceral Surgery and Transplantation, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Jan A. Plock
- Department of Plastic Surgery and Hand Surgery, University Hospital Zurich, 8091 Zurich, Switzerland; (H.J.K.); (J.A.P.)
- Department of Plastic Surgery and Hand Surgery, Cantonal Hospital Aarau, 5001 Aarau, Switzerland
| | - Lutz Schomburg
- Institute for Experimental Endocrinology, Max Rubner Center for Cardiovascular Metabolic Renal Research, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10115 Berlin, Germany; (T.L.T.); (L.H.); (E.R.)
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9
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Chen X, Gong L, Li C, Wang S, Wang Z, Chu M, Zhou Y. Single-cell and bulk tissue sequencing unravels the heterogeneity of synovial microenvironment in arthrofibrosis. iScience 2023; 26:107379. [PMID: 37705954 PMCID: PMC10495645 DOI: 10.1016/j.isci.2023.107379] [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: 01/20/2023] [Revised: 04/06/2023] [Accepted: 07/07/2023] [Indexed: 09/15/2023] Open
Abstract
Arthrofibrosis (AF) is a debilitating complication that occurs after trauma or surgery, leading to functional impairment and surgical failures worldwide. This study aimed to uncover the underlying mechanism of AF. A total of 141 patients were enrolled, and synovial samples were collected from both patients and animal models at different time points. Single-cell RNA-sequencing (scRNA-seq) and bulk tissue RNA sequencing (bulk-seq) were employed to profile the distinct synovial microenvironment. This study revealed changes in cell proportions during AF pathogenesis and identified Engrailed-1 (EN1) as a key transcription factor strongly associated with disease severity and clinical prognosis. Additionally, the researchers discovered a specific type of synovial fibroblast called DKK3-SLF, which played a critical role in driving AF development. These findings shed light on the composition and heterogeneity of the synovial microenvironment in AF, offering potential avenues for identifying therapeutic targets and developing clinical treatments for AF and other fibrotic diseases.
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Affiliation(s)
- Xi Chen
- Department of Adult Joint Reconstructive Surgery, Beijing Jishuitan Hospital, Capital Medical University, 31 East Xinjiekou Street, Beijing 100035, China
- Department of Immunology, School of Basic Medical Sciences, Peking University, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
| | - Lihua Gong
- Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Cheng Li
- Department of Adult Joint Reconstructive Surgery, Beijing Jishuitan Hospital, Capital Medical University, 31 East Xinjiekou Street, Beijing 100035, China
| | - Siyuan Wang
- Department of Adult Joint Reconstructive Surgery, Beijing Jishuitan Hospital, Capital Medical University, 31 East Xinjiekou Street, Beijing 100035, China
| | - Ziyuan Wang
- Department of Adult Joint Reconstructive Surgery, Beijing Jishuitan Hospital, Capital Medical University, 31 East Xinjiekou Street, Beijing 100035, China
| | - Ming Chu
- Department of Immunology, School of Basic Medical Sciences, Peking University, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
| | - Yixin Zhou
- Department of Adult Joint Reconstructive Surgery, Beijing Jishuitan Hospital, Capital Medical University, 31 East Xinjiekou Street, Beijing 100035, China
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10
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An S, Shi J, Huang J, Li Z, Feng M, Cao G. HIF-1α-induced upregulation of m6A reader IGF2BP1 facilitates peripheral nerve injury recovery by enhancing SLC7A11 mRNA stabilization. In Vitro Cell Dev Biol Anim 2023; 59:596-605. [PMID: 37783915 DOI: 10.1007/s11626-023-00812-z] [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: 08/01/2023] [Accepted: 09/17/2023] [Indexed: 10/04/2023]
Abstract
The recovery of peripheral nerve injury (PNI) is not ideal in clinic. Our previous study revealed that hypoxia treatment promoted PNI repair by inhibiting ferroptosis. The aim of this study was to investigate the underlying molecular mechanism of HIF-1α in hypoxia-PNI recovery. M6A dot blot was used to determine the total level of m6A modification. Besides, HIF-1α small interfering RNA (siRNA) or IGF2BP1 overexpression vector was transfected into dorsal root ganglion (DRG) neurons to alter the expression of HIF-1α and IGF2BP1. Subsequently, MeRIP-PCR analysis was applied to validate the m6A methylation level of SLC7A11. We demonstrated the hypoxia stimulated HIF-1α-dependent expression of IGF2BP1 and promoted the overall m6A methylation levels of DRG neurons. Overexpression of HIF-1α increased the expressions of neurotrophic factors including nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and glial-derived neurotrophic factor (GDNF), which could be effectively reversed by siRNA knockdown of IGF2BP1. Moreover, upregulation of HIF-1α contributed to the m6A methylation level and mRNA stabilization of SLC7A11. This study revealed that the HIF-1α/IGF2BP1/SLC7A11 regulatory axis facilitated the recovery of injured DRG neurons. Our findings suggest a novel insight for the m6A methylation modification in PNI recovery.
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Affiliation(s)
- Shuai An
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Jingfei Shi
- Cerebrovascular and Neuroscience Research Institute, Beijing Institute of Geriatrics, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Jiang Huang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Zheng Li
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Mingli Feng
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
| | - Guanglei Cao
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
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11
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Woodroof A, Moote J, Polansky J, Haith LR, Hickerson WL. Preliminary Study of Wound Oxygenation Comparing Skin Substitutes and Dressings. EPLASTY 2023; 23:e52. [PMID: 37743961 PMCID: PMC10517661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Background Improving oxygen delivery to challenging wound types has been shown to optimize and accelerate several key contributors to healing. This study aims to compare selective skin substitutes and primary dressings and evaluate their ability to transfer oxygen to the wound. Methods Visual and quantitative methods were employed to measure gas and fluid movement across several skin substitutes, including a bilayer nylon and silicone dressing coated with porcine gelatin and aloe vera (CNS), a porous bovine collagen-glycosaminoglycan (GAG) matrix dressing coated with silicone (UBC), and a urethane biodegradable temporizing matrix (PFD). Results Fluids did not move across solid silicone membranes or urethane foam while oxygen movement across solid silicone membranes was inversely proportional to the thickness of the membrane. Oxygen moved across the coated nylon and silicone dressing 5.63 times faster than across the bovine-GAG scaffold and 2.0 times faster than the biodegradable temporizing matrix of polyurethane. Conclusions The coated nylon and silicone matrix functioned like a membrane oxygenator, potentially augmenting atmospheric oxygen delivery to healing wounds.
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Affiliation(s)
| | - Joshua Moote
- Stedical Scientific Inc, Carlsbad, California
- ECA Labs, San Diego, California
- Drexel University College of Medicine, Philadelphia, Pennsylvania
- University of Tennessee Health Science Center, Memphis, Tennessee (retired)
| | | | - Linwood R Haith
- Drexel University College of Medicine, Philadelphia, Pennsylvania
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12
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Geng X, Liu K, Wang J, Su X, Shi Y, Zhao L. Preparation of Ultra-Small Copper Nanoparticles-Loaded Self-Healing Hydrogels with Antibacterial, Inflammation-Suppressing and Angiogenesis-Enhancing Properties for Promoting Diabetic Wound Healing. Int J Nanomedicine 2023; 18:3339-3358. [PMID: 37361387 PMCID: PMC10289105 DOI: 10.2147/ijn.s399933] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 05/08/2023] [Indexed: 06/28/2023] Open
Abstract
Background Bacterial invasion, protracted inflammation, and angiogenesis inhibition are hallmarks of chronic diabetic wounds, bringing about patient morbidity and rising healthcare costs. For such wounds, there are currently few efficient therapies available. Methods We reported the development of carboxymethyl chitosan (CMCS)-based self-healing hydrogel loaded with ultra-small copper nanoparticles (Cunps) for local treatment of diabetic wound healing. The structure of Cunps was identified by XRD, TEM, XPS and other methods, and the characterization of the synthesized Cunps-loaded self-healing carboxymethyl chitosan (CMCS)-protocatechualdehyde (PCA) hydrogel (Cunps@CMCS-PCA hydrogel) was further investigated. The therapeutic effect of Cunps@CMCS-PCA hydrogel in diabetic wound healing was explored in vitro and in vivo. Results The findings showed that a kind of ultra-small size copper nanoparticles with excellent biocompatibility was prepared. CMCS was chemically conjugated to PCA to form self-healing hydrogels via the formation of an amide bond followed by the loading of ultra-small copper nanoparticles. The obtained Cunps@CMCS-PCA hydrogel showed a typical three-dimensional interlinked network structure with self-healing ability and porosity. It exhibited good biocompatibility in diabetic wounds. Furthermore, Cunps@CMCS-PCA hydrogel group significantly prevented bacterial growth in the skin wound of diabetic rats as compared to model group and CMCS-PCA hydrogel-treated group. After 3 days, no visible bacterial proliferation was observed. It also increased angiogenesis through Cunps mediated activation of ATP7A to prevent induction of autophagy. Furthermore, Cunps@CMCS-PCA hydrogel mainly depended on PCA-induced inhibition on inflammation of macrophage via JAK2/STAT3 signaling pathway. As a result, compared with delayed wound healing process with lower wound healing rate valued at 68.6% within 7 days in the model group, Cunps@CMCS-PCA significantly accelerated wound healing recovery and increased wound healing rate to 86.5%, suggesting that Cunps@CMCS-PCA hydrogel effectively accelerated wound healing. Conclusion Cunps@CMCS-PCA hydrogel offered a new therapeutic approach for quickening diabetic wound healing.
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Affiliation(s)
- Xinrong Geng
- School of Pharmacy, Jinzhou Medical University, Jinzhou, 121000, People’s Republic of China
| | - Kang Liu
- School of Pharmacy, Jinzhou Medical University, Jinzhou, 121000, People’s Republic of China
| | - Jinlei Wang
- School of Pharmacy, Jinzhou Medical University, Jinzhou, 121000, People’s Republic of China
| | - Xiangchen Su
- School of Pharmacy, Jinzhou Medical University, Jinzhou, 121000, People’s Republic of China
| | - Yijie Shi
- School of Pharmacy, Jinzhou Medical University, Jinzhou, 121000, People’s Republic of China
| | - Liang Zhao
- School of Pharmacy, Jinzhou Medical University, Jinzhou, 121000, People’s Republic of China
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13
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Cancedda R, Mastrogiacomo M. Transit Amplifying Cells (TACs): a still not fully understood cell population. Front Bioeng Biotechnol 2023; 11:1189225. [PMID: 37229487 PMCID: PMC10203484 DOI: 10.3389/fbioe.2023.1189225] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 04/27/2023] [Indexed: 05/27/2023] Open
Abstract
Maintenance of tissue homeostasis and tissue regeneration after an insult are essential functions of adult stem cells (SCs). In adult tissues, SCs proliferate at a very slow rate within "stem cell niches", but, during tissue development and regeneration, before giving rise to differentiated cells, they give rise to multipotent and highly proliferative cells, known as transit-amplifying cells (TACs). Although differences exist in diverse tissues, TACs are not only a transitory phase from SCs to post-mitotic cells, but they also actively control proliferation and number of their ancestor SCs and proliferation and differentiation of their progeny toward tissue specific functional cells. Autocrine signals and negative and positive feedback and feedforward paracrine signals play a major role in these controls. In the present review we will consider the generation and the role played by TACs during development and regeneration of lining epithelia characterized by a high turnover including epidermis and hair follicles, ocular epithelial surfaces, and intestinal mucosa. A comparison between these different tissues will be made. There are some genes and molecular pathways whose expression and activation are common to most TACs regardless their tissue of origin. These include, among others, Wnt, Notch, Hedgehog and BMP pathways. However, the response to these molecular signals can vary in TACs of different tissues. Secondly, we will consider cultured cells derived from tissues of mesodermal origin and widely adopted for cell therapy treatments. These include mesenchymal stem cells and dedifferentiated chondrocytes. The possible correlation between cell dedifferentiation and reversion to a transit amplifying cell stage will be discussed.
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Affiliation(s)
- Ranieri Cancedda
- Emeritus Professor, Università degli Studi di Genova, Genoa, Italy
| | - Maddalena Mastrogiacomo
- Dipartimento di Medicina Interna e Specialità Mediche (DIMI), Università Degli Studi di Genova, Genova, Italy
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14
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Zheng SY, Wan XX, Kambey PA, Luo Y, Hu XM, Liu YF, Shan JQ, Chen YW, Xiong K. Therapeutic role of growth factors in treating diabetic wound. World J Diabetes 2023; 14:364-395. [PMID: 37122434 PMCID: PMC10130901 DOI: 10.4239/wjd.v14.i4.364] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/16/2023] [Accepted: 03/21/2023] [Indexed: 04/12/2023] Open
Abstract
Wounds in diabetic patients, especially diabetic foot ulcers, are more difficult to heal compared with normal wounds and can easily deteriorate, leading to amputation. Common treatments cannot heal diabetic wounds or control their many complications. Growth factors are found to play important roles in regulating complex diabetic wound healing. Different growth factors such as transforming growth factor beta 1, insulin-like growth factor, and vascular endothelial growth factor play different roles in diabetic wound healing. This implies that a therapeutic modality modulating different growth factors to suit wound healing can significantly improve the treatment of diabetic wounds. Further, some current treatments have been shown to promote the healing of diabetic wounds by modulating specific growth factors. The purpose of this study was to discuss the role played by each growth factor in therapeutic approaches so as to stimulate further therapeutic thinking.
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Affiliation(s)
- Shen-Yuan Zheng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
| | - Xin-Xing Wan
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha 410013, Hunan Province, China
| | - Piniel Alphayo Kambey
- Department of Neurobiology and Anatomy, Xuzhou Medical University, Xuzhou 221004, Jiangsu Province, China
| | - Yan Luo
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Xi-Min Hu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
| | - Yi-Fan Liu
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Jia-Qi Shan
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Yu-Wei Chen
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Kun Xiong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
- Key Laboratory of Emergency and Trauma, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, Hainan Province, China
- Hunan Key Laboratory of Ophthalmology, Central South University, Changsha 410013, Hunan Province, China
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15
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Sant’Ana PG, de Tomasi LC, Murata GM, Vileigas DF, Mota GAF, de Souza SLB, Silva VL, de Campos LP, Okoshi K, Padovani CR, Cicogna AC. Hypoxia-Inducible Factor 1-Alpha and Glucose Metabolism during Cardiac Remodeling Progression from Hypertrophy to Heart Failure. Int J Mol Sci 2023; 24:ijms24076201. [PMID: 37047174 PMCID: PMC10094437 DOI: 10.3390/ijms24076201] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/29/2023] Open
Abstract
In pathological cardiac hypertrophy, the heart is more dependent on glucose than fatty acids. This shift in energy metabolism occurs due to several factors, including the oxygen deficit, which activates hypoxia-inducible factor-1α (HIF-1α), a critical molecule related to glucose metabolism. However, there are gaps regarding the behavior of key proteins in the glycolytic pathway and HIF-1α during the transition from hypertrophy to heart failure (HF). This study assesses the hypothesis that there is an early change and enhancement of HIF-1α and the glycolytic pathway, as well as an association between them during cardiac remodeling. Sham and aortic stenosis Wistar rats were analyzed at 2, 6, and 18 weeks and in HF (n = 10–18). Cardiac structure and function were investigated by echocardiogram. Myocardial glycolysis, the aerobic and anaerobic pathways and glycogen were analyzed by enzymatic assay, Western blot, and enzyme-linked immunosorbent assay (ELISA). The following were observed: increased left ventricular hypertrophy; early diastolic function change and severe systolic and diastolic dysfunction in HF; increased HIF-1α in the 2nd week and in HF; precocious alteration and intensification of glycolysis with a shift to anaerobic metabolism from the 6th week onwards; association between HIF-1α, glycolysis, and the anaerobic pathway. Our hypothesis was confirmed as there was an early change and intensification in glucose metabolism, alteration in HIF-1α, and an association between data during the progression from hypertrophy to heart failure.
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Affiliation(s)
- Paula Grippa Sant’Ana
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Loreta Casquel de Tomasi
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Gilson Masahiro Murata
- Laboratory of Medical Investigation (LIM-29), Division of Nephrology, University of São Paulo Medical School, São Paulo 01246-903, Brazil
| | - Danielle Fernandes Vileigas
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Gustavo Augusto Ferreira Mota
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Sérgio Luiz Borges de Souza
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Vitor Loureiro Silva
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Livia Paschoalino de Campos
- Department of Biostatistics, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil
| | - Katashi Okoshi
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Carlos Roberto Padovani
- Department of Biostatistics, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil
| | - Antonio Carlos Cicogna
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
- Correspondence:
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16
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Leite CBG, Tavares LP, Leite MS, Demange MK. Revisiting the role of hyperbaric oxygen therapy in knee injuries: Potential benefits and mechanisms. J Cell Physiol 2023; 238:498-512. [PMID: 36649313 DOI: 10.1002/jcp.30947] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 12/07/2022] [Accepted: 01/03/2023] [Indexed: 01/18/2023]
Abstract
Knee injury negatively impacts routine activities and quality of life of millions of people every year. Disruption of tendons, ligaments, and articular cartilage are major causes of knee lesions, leading to social and economic losses. Besides the attempts for an optimal recovery of knee function after surgery, the joint healing process is not always adequate given the nature of intra-articular environment. Based on that, different therapeutic methods attempt to improve healing capacity. Hyperbaric oxygen therapy (HBOT) is an innovative biophysical approach that can be used as an adjuvant treatment post-knee surgery, to potentially prevent chronic disorders that commonly follows knee injuries. Given the well-recognized role of HBOT in improving wound healing, further research is necessary to clarify the benefits of HBOT in damaged musculoskeletal tissues, especially knee disorders. Here, we review important mechanisms of action for HBOT-induced healing including the induction of angiogenesis, modulation of inflammation and extracellular matrix components, and activation of parenchyma cells-key events to restore knee function after injury. This review discusses the basic science of the healing process in knee injuries, the role of oxygen during cicatrization, and shed light on the promising actions of HBOT in treating knee disorders, such as tendon, ligament, and cartilage injuries.
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Affiliation(s)
- Chilan B G Leite
- Instituto de Ortopedia e Traumatologia, Hospital das Clinicas, HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
- Department of Orthopedic Surgery, Center for Cartilage Repair and Sports Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Luciana P Tavares
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Magno S Leite
- Laboratório de Poluição Atmosférica Experimental LIM05, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Marco K Demange
- Instituto de Ortopedia e Traumatologia, Hospital das Clinicas, HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
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17
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Kohlhepp MS, Liu H, Tacke F, Guillot A. The contradictory roles of macrophages in non-alcoholic fatty liver disease and primary liver cancer-Challenges and opportunities. Front Mol Biosci 2023; 10:1129831. [PMID: 36845555 PMCID: PMC9950415 DOI: 10.3389/fmolb.2023.1129831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 01/31/2023] [Indexed: 02/12/2023] Open
Abstract
Chronic liver diseases from varying etiologies generally lead to liver fibrosis and cirrhosis. Among them, non-alcoholic fatty liver disease (NAFLD) affects roughly one-quarter of the world population, thus representing a major and increasing public health burden. Chronic hepatocyte injury, inflammation (non-alcoholic steatohepatitis, NASH) and liver fibrosis are recognized soils for primary liver cancer, particularly hepatocellular carcinoma (HCC), being the third most common cause for cancer-related deaths worldwide. Despite recent advances in liver disease understanding, therapeutic options on pre-malignant and malignant stages remain limited. Thus, there is an urgent need to identify targetable liver disease-driving mechanisms for the development of novel therapeutics. Monocytes and macrophages comprise a central, yet versatile component of the inflammatory response, fueling chronic liver disease initiation and progression. Recent proteomic and transcriptomic studies performed at singular cell levels revealed a previously overlooked diversity of macrophage subpopulations and functions. Indeed, liver macrophages that encompass liver resident macrophages (also named Kupffer cells) and monocyte-derived macrophages, can acquire a variety of phenotypes depending on microenvironmental cues, and thus exert manifold and sometimes contradictory functions. Those functions range from modulating and exacerbating tissue inflammation to promoting and exaggerating tissue repair mechanisms (i.e., parenchymal regeneration, cancer cell proliferation, angiogenesis, fibrosis). Due to these central functions, liver macrophages represent an attractive target for the treatment of liver diseases. In this review, we discuss the multifaceted and contrary roles of macrophages in chronic liver diseases, with a particular focus on NAFLD/NASH and HCC. Moreover, we discuss potential therapeutic approaches targeting liver macrophages.
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18
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Park BY, Wu D, Kwon KR, Kim MJ, Kim TG, Lee JH, Park DY, Kim IK. Implantation and tracing of green fluorescent protein-expressing adipose-derived stem cells in peri-implant capsular fibrosis. Stem Cell Res Ther 2023; 14:22. [PMID: 36750973 PMCID: PMC9906918 DOI: 10.1186/s13287-023-03248-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 01/31/2023] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND Adipose-derived stem cells (ASCs) have been reported to reduce fibrosis in various tissues. In this study, we investigated the inhibitory role of ASCs on capsule formation by analyzing the histologic, cellular, and molecular changes in a mouse model of peri-implant fibrosis. We also investigated the fate and distribution of ASCs in the peri-implant capsule. METHODS To establish a peri-implant fibrosis model, customized silicone implants were inserted into the dorsal site of C57BL/6 wild-type mice. ASCs were harvested from the fat tissues of transgenic mice that express a green fluorescent protein (GFP-ASCs) and then injected into the peri-implant space of recipient mice. The peri-implant tissues were harvested from postoperative week 2 to 8. We measured the capsule thickness, distribution, and differentiation of GFP-ASCs, as well as the cellular and molecular changes in capsular tissue following ASC treatment. RESULTS Injected GFP-ASCs were distributed within the peri-implant capsule and proliferated. Administration of ASCs reduced the capsule thickness, decreased the number of myofibroblasts and macrophages in the capsule, and decreased the mRNA level of fibrogenic genes within the peri-implant tissue. Angiogenesis was enhanced due to trans-differentiation of ASCs into vascular endothelial cells, and tissue hypoxia was relieved upon ASC treatment. CONCLUSIONS We uncovered that implanted ASCs inhibit capsule formation around the implant by characterizing a series of biological alterations upon ASC treatment and the fate of injected ASCs. These findings highlight the value of ASCs for future clinical applications in the prevention of capsular contracture after implant-based reconstruction surgery.
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Affiliation(s)
- Bo-Yoon Park
- grid.413028.c0000 0001 0674 4447Department of Plastic and Reconstructive Surgery, Yeungnam University College of Medicine, 170, Hyeonchung-ro, Nam-gu, Daegu, 42415 Korea
| | - Dirong Wu
- grid.413028.c0000 0001 0674 4447Department of Plastic and Reconstructive Surgery, Yeungnam University College of Medicine, 170, Hyeonchung-ro, Nam-gu, Daegu, 42415 Korea
| | - Kyoo-Ri Kwon
- grid.413028.c0000 0001 0674 4447Department of Plastic and Reconstructive Surgery, Yeungnam University College of Medicine, 170, Hyeonchung-ro, Nam-gu, Daegu, 42415 Korea
| | - Mi-Jin Kim
- grid.413028.c0000 0001 0674 4447Department of Plastic and Reconstructive Surgery, Yeungnam University College of Medicine, 170, Hyeonchung-ro, Nam-gu, Daegu, 42415 Korea
| | - Tae-Gon Kim
- grid.413028.c0000 0001 0674 4447Department of Plastic and Reconstructive Surgery, Yeungnam University College of Medicine, 170, Hyeonchung-ro, Nam-gu, Daegu, 42415 Korea
| | - Jun-Ho Lee
- grid.413028.c0000 0001 0674 4447Department of Plastic and Reconstructive Surgery, Yeungnam University College of Medicine, 170, Hyeonchung-ro, Nam-gu, Daegu, 42415 Korea
| | - Do Young Park
- Department of Ophthalmology, Yeungnam University College of Medicine, 170, Hyeonchung-ro, Nam-gu, Daegu, 42415, Korea.
| | - Il-Kug Kim
- Department of Plastic and Reconstructive Surgery, Yeungnam University College of Medicine, 170, Hyeonchung-ro, Nam-gu, Daegu, 42415, Korea.
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Lewis CTA, Mascall KS, Wilson HM, Murray F, Kerr KM, Gibson G, Buchan K, Small GR, Nixon GF. An endogenous inhibitor of angiogenesis downregulated by hypoxia in human aortic valve stenosis promotes disease pathogenesis. J Mol Cell Cardiol 2023; 174:25-37. [PMID: 36336008 DOI: 10.1016/j.yjmcc.2022.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/21/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
Abstract
Aortic valve stenosis is the most common valve disease in the western world. Central to the pathogenesis of this disease is the growth of new blood vessels (angiogenesis) within the aortic valve allowing infiltration of immune cells and development of intra-valve inflammation. Identifying the cellular mediators involved in this angiogenesis is important as this may reveal new therapeutic targets which could ultimately prevent the progression of aortic valve stenosis. Aortic valves from patients undergoing surgery for aortic valve replacement or dilation of the aortic arch were examined both ex vivo and in vitro. We now demonstrate that the anti-angiogenic protein, soluble fms-like tyrosine kinase 1 (sFlt1), a non-signalling soluble receptor for vascular endothelial growth factor, is constitutively expressed in non-diseased valves. sFlt-1 expression was, however, significantly reduced in aortic valve tissue from patients with aortic valve stenosis while protein markers of hypoxia were simultaneously increased. Exposure of primary-cultured valve interstitial cells to hypoxia resulted in a decrease in the expression of sFlt-1. We further reveal using a bioassay that siRNA knock-down of sFlt1 in valve interstitial cells directly results in a pro-angiogenic environment. Finally, incubation of aortic valves with sphingosine 1-phosphate, a bioactive lipid-mediator, increased sFlt-1 expression and inhibited angiogenesis within valve tissue. In conclusion, this study demonstrates that sFlt1 expression is directly correlated with angiogenesis in aortic valves and the observed decrease in sFlt-1 expression in aortic valve stenosis could increase valve inflammation, promoting disease progression. This could be a viable therapeutic target in treating this disease.
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Affiliation(s)
- Christopher T A Lewis
- Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, UK
| | - Keith S Mascall
- Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, UK
| | - Heather M Wilson
- Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, UK
| | - Fiona Murray
- Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, UK
| | - Keith M Kerr
- Department of Pathology, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen and Aberdeen Royal Infirmary, UK
| | - George Gibson
- Department of Cardiothoracic Surgery, Aberdeen Royal Infirmary, UK
| | - Keith Buchan
- Department of Cardiothoracic Surgery, Aberdeen Royal Infirmary, UK
| | - Gary R Small
- Division of Cardiology, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Graeme F Nixon
- Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, UK.
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20
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Reoxygenation Modulates the Adverse Effects of Hypoxia on Wound Repair. Int J Mol Sci 2022; 23:ijms232415832. [PMID: 36555485 PMCID: PMC9781139 DOI: 10.3390/ijms232415832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 11/30/2022] [Accepted: 12/06/2022] [Indexed: 12/15/2022] Open
Abstract
Hypoxia is a major stressor and a prominent feature of pathological conditions, such as bacterial infections, inflammation, wounds, and cardiovascular defects. In this study, we investigated whether reoxygenation has a protective effect against hypoxia-induced acute injury and burn using the C57BL/6 mouse model. C57BL/6 mice were exposed to hypoxia and treated with both acute and burn injuries and were in hypoxia until wound healing. Next, C57BL/6 mice were exposed to hypoxia for three days and then transferred to normoxic conditions for reoxygenation until wound healing. Finally, skin wound tissue was collected to analyze healing-related markers, such as inflammation, vascularization, and collagen. Hypoxia significantly increased inflammatory cell infiltration and decreased vascular and collagen production, and reoxygenation notably attenuated hypoxia-induced infiltration of inflammatory cells, upregulation of pro-inflammatory cytokine levels (IL-6 and TNF-α) in the wound, and remission of inflammation in the wound. Immunofluorescence analysis showed that reoxygenation increased the expression of the angiogenic factor α-SMA and decreased ROS expression in burn tissues compared to hypoxia-treated animals. Moreover, further analysis by qPCR showed that reoxygenation could alleviate the expression of hypoxic-induced inflammatory markers (IL-6 and TNF), increase angiogenesis (SMA) and collagen synthesis (Col I), and thus promote wound healing. It is suggested that oxygen can be further evaluated in combination with oxygen-releasing materials as a supplementary therapy for patients with chronic hypoxic wounds.
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Mendes C, Thirupathi A, Corrêa MEAB, Gu Y, Silveira PCL. The Use of Metallic Nanoparticles in Wound Healing: New Perspectives. Int J Mol Sci 2022; 23:ijms232315376. [PMID: 36499707 PMCID: PMC9740811 DOI: 10.3390/ijms232315376] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/19/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Chronic wounds represent a challenge for the health area, as they directly impact patients' quality of life and represent a threat to public health and the global economy due to their high cost of treatment. Alternative strategies must be developed for cost-effective and targeted treatment. In this scenario, the emerging field of nanobiotechnology may provide an alternative platform to develop new therapeutic agents for the chronic wound healing process. This manuscript aims to demonstrate that the application of metallic nanoparticles (gold, silver, copper, and zinc oxide) opened a new chapter in the treatment of wounds, as they have different properties such as drug delivery, antimicrobial activity, and healing acceleration. Furthermore, metallic nanoparticles (NPs) produced through green synthesis ensure less toxicity in biological tissues, and greater safety of applicability, other than adding the effects of NPs with those of extracts.
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Affiliation(s)
- Carolini Mendes
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, Criciúma 88806-000, Brazil
| | - Anand Thirupathi
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
| | - Maria E. A. B. Corrêa
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, Criciúma 88806-000, Brazil
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
| | - Paulo C. L. Silveira
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Science of Health, Universidade do Extremo Sul Catarinense, Criciúma 88806-000, Brazil
- Correspondence: ; Tel.: +55-48-3431-2773
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22
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Hautmann A, Kedilaya D, Stojanović S, Radenković M, Marx CK, Najman S, Pietzsch M, Mano JF, Groth T. Free-standing multilayer films as growth factor reservoirs for future wound dressing applications. BIOMATERIALS ADVANCES 2022; 142:213166. [PMID: 36306555 DOI: 10.1016/j.bioadv.2022.213166] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/12/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
Chronic skin wounds place a high burden on patients and health care systems. The use of angiogenic and mitogenic growth factors can facilitate the healing but growth factors are quickly inactivated by the wound environment if added exogenously. Here, free-standing multilayer films (FSF) are fabricated from chitosan and alginate as opposing polyelectrolytes in an alternating manner using layer-by-layer technique. One hundred bilayers form an about 450 μm thick, detachable free-standing film that is subsequently crosslinked by either ethyl (dimethylaminopropyl) carbodiimide combined with N-hydroxysuccinimide (E-FSF) or genipin (G-FSF). The characterization of swelling, oxygen permeability and crosslinking density shows reduced swelling and oxygen permeability for both crosslinked films compared to non-crosslinked films (N-FSF). Loading of fibroblast growth factor 2 (FGF2) into the films results in a sustained release from crosslinked FSF in comparison to non-crosslinked FSF. Biocompatibility studies in vitro with human dermal fibroblasts cultured underneath the films demonstrate increased cell growth and cell migration for all films with and without FGF2. Especially G-FSF loaded with FGF2 greatly increases cell proliferation and migration. In vivo biocompatibility studies by subcutaneous implantation in mice show that E-FSF causes an inflammatory tissue response that is absent in the case of G-FSF. N-FSF also represents a biocompatible film but shows early degradation. All FSF possess antibacterial properties against gram+ and gram- bacteria demonstrated by an agar diffusion disc assay. In summary, FSF made of alginate and chitosan crosslinked with genipin can act as a reservoir for the sustained release of FGF2, possessing high biocompatibility in vitro and in vivo. Moreover, G-FSF promotes growth and migration of human dermal fibroblasts and has antibacterial properties, which makes it an interesting candidate for bioactive wound.
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Affiliation(s)
- Adrian Hautmann
- Department of Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany
| | - Devaki Kedilaya
- Department of Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany
| | - Sanja Stojanović
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Đinđića 81, 18000, Niš, Serbia; Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Milena Radenković
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Đinđića 81, 18000, Niš, Serbia
| | - Christian K Marx
- Department of Downstream Processing, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Weinbergweg 22, 06120 Halle (Saale), Germany
| | - Stevo Najman
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Đinđića 81, 18000, Niš, Serbia; Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Markus Pietzsch
- Department of Downstream Processing, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Weinbergweg 22, 06120 Halle (Saale), Germany
| | - João F Mano
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Thomas Groth
- Department of Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany; Interdisciplinary Center of Material Research, Martin Luther University Halle-Wittenberg, Germany.
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Burke JF, Quinlan ND, Werner BC, Browne JA. Use of Supplemental Home Oxygen is Associated With Early Postoperative Complications Following Total Knee Arthroplasty. J Arthroplasty 2022; 37:2186-2192.e2. [PMID: 35661697 DOI: 10.1016/j.arth.2022.05.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/24/2022] [Accepted: 05/26/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The objective of this study is to evaluate preoperative supplemental home oxygen use as a potential risk factor for both medical and surgical complications following primary elective total knee arthroplasty (TKA) in patients who have respiratory disease (RD). METHODS Patients with a diagnosis of RD who underwent elective TKA from 2010 to 2020 were identified using a national database. The rates of postoperative medical and surgical complications, hospital readmissions, and emergency room visits were calculated for RD patients who used supplemental home oxygen and those who did not. Additionally, reimbursements and lengths of stay were determined. Both cohorts were then compared to matched cohorts who did not have RD using logistic regression analyses. RESULTS A total of 41,418 patients who underwent TKA with RD on home oxygen and 138,635 patients who had RD without home oxygen use were compared with matched cohorts. The RD cohort with home oxygen use had a significantly higher incidence of periprosthetic joint infection (5.78% versus 2.69%, odds ratio [OR] 1.42, P < .0001), pneumonia (3.95% versus 0.69%, OR 4.44, P < .0001), venous thromboembolism (3.17% versus 2.10%, OR 1.12, P = .007), and periprosthetic fracture (0.82% versus 0.34%, OR 1.72, P < .0001) compared to the matched control cohort. Additionally, the RD with home oxygen cohort had a significantly higher incidence of periprosthetic joint infection (5.78% versus 3.77%, OR 1.15, P < .0001), pneumonia (3.95% versus 1.63%, OR 1.99, P < .0001), and several other medical complications compared to RD patients without home oxygen use. CONCLUSION Preoperative supplemental home oxygen use is associated with significantly increased risk of postoperative surgical and medical complications following elective TKA. This finding can help guide risk assessment and the informed consent process prior to surgery.
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Affiliation(s)
- John F Burke
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia
| | - Nicole D Quinlan
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia
| | - Brian C Werner
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia
| | - James A Browne
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia
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Potential Therapeutic Approach of Melatonin against Omicron and Some Other Variants of SARS-CoV-2. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27206934. [PMID: 36296527 PMCID: PMC9609612 DOI: 10.3390/molecules27206934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/03/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022]
Abstract
The Omicron variant (B.529) of COVID-19 caused disease outbreaks worldwide because of its contagious and diverse mutations. To reduce these outbreaks, therapeutic drugs and adjuvant vaccines have been applied for the treatment of the disease. However, these drugs have not shown high efficacy in reducing COVID-19 severity, and even antiviral drugs have not shown to be effective. Researchers thus continue to search for an effective adjuvant therapy with a combination of drugs or vaccines to treat COVID-19 disease. We were motivated to consider melatonin as a defensive agent against SARS-CoV-2 because of its various unique properties. Over 200 scientific publications have shown the significant effects of melatonin in treating diseases, with strong antioxidant, anti-inflammatory, and immunomodulatory effects. Melatonin has a high safety profile, but it needs further clinical trials and experiments for use as a therapeutic agent against the Omicron variant of COVID-19. It might immediately be able to prevent the development of severe symptoms caused by the coronavirus and can reduce the severity of the infection by improving immunity.
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25
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Khan I, Siddiqui MN, Jameel F, Qazi REM, Salim A, Aslam S, Zaidi MB. Potential of stem cell seeded three-dimensional scaffold for regeneration of full-thickness skin wounds. Interface Focus 2022; 12:20220017. [PMID: 35996740 PMCID: PMC9372646 DOI: 10.1098/rsfs.2022.0017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 07/14/2022] [Indexed: 12/11/2022] Open
Abstract
Hypoxic wounds are tough to heal and are associated with chronicity, causing major healthcare burden. Available treatment options offer only limited success for accelerated and scarless healing. Traditional skin substitutes are widely used to improve wound healing, however, they lack proper vascularization. Mesenchymal stem cells (MSCs) offer improved wound healing; however, their poor retention, survival and adherence at the wound site negatively affect their therapeutic potential. The aim of this study is to enhance skin regeneration in a rat model of full-thickness dermal wound by transplanting genetically modified MSCs seeded on a three-dimensional collagen scaffold. Rat bone marrow MSCs were efficiently incorporated in the acellular collagen scaffold. Skin tissues with transplanted subcutaneous scaffolds were histologically analysed, while angiogenesis was assessed both at gene and protein levels. Our findings demonstrated that three-dimensional collagen scaffolds play a potential role in the survival and adherence of stem cells at the wound site, while modification of MSCs with jagged one gene provides a conducive environment for wound regeneration with improved proliferation, reduced inflammation and enhanced vasculogenesis. The results of this study represent an advanced targeted approach having the potential to be translated in clinical settings for targeted personalized therapy.
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Affiliation(s)
- Irfan Khan
- Dr Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Marium Naz Siddiqui
- Dr Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Fatima Jameel
- Dr Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Rida-e-Maria Qazi
- Dr Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Asmat Salim
- Dr Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Shazmeen Aslam
- Dr Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Midhat Batool Zaidi
- Dr Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
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Hamel KM, Liimatta KQ, Belgodere JA, Bunnell BA, Gimble JM, Martin EC. Adipose-Derived Stromal/Stem Cell Response to Tumors and Wounds: Evaluation of Patient Age. Stem Cells Dev 2022; 31:579-592. [PMID: 35262397 PMCID: PMC9836707 DOI: 10.1089/scd.2021.0280] [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: 10/20/2021] [Accepted: 03/05/2022] [Indexed: 01/22/2023] Open
Abstract
Tumors were characterized as nonhealing wounds by Virchow in 1858 and Dvorak in 1986. Since then, researchers have analyzed tumors from a new perspective. The parallels between tumorigenesis and physiological wound healing can provide a new framework for developing antitumor therapeutics. One commonality between tumors and wounds is the involvement of the stromal environment, particularly adipose stromal/stem cells (ASCs). ASCs exhibit dual functions, in which they stimulate tumor progression and assist in tissue repair and regeneration. Numerous studies have focused on the role of ASCs in cancer and wound healing, but none to date has linked age, cancer, and wound healing. Furthermore, very few studies have focused on the role of donor-specific characteristics of ASCs, such as age and their role in facilitating ASC behavior in cancer and wound healing. This review article is designed to provide important insights into the impact of donor age on ASC tumor and wound response and their role in facilitating ASC behavior in cancer and wound healing.
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Affiliation(s)
- Katie M. Hamel
- Department of Biological Engineering, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Kara Q. Liimatta
- Department of Biological Engineering, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Jorge A. Belgodere
- Department of Biological Engineering, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Bruce A. Bunnell
- University of North Texas Health Sciences Center, Fort Worth, Texas, USA
| | | | - Elizabeth C. Martin
- Department of Biological Engineering, Louisiana State University, Baton Rouge, Louisiana, USA
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27
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Hassanshahi A, Moradzad M, Ghalamkari S, Fadaei M, Cowin AJ, Hassanshahi M. Macrophage-Mediated Inflammation in Skin Wound Healing. Cells 2022; 11:cells11192953. [PMID: 36230913 PMCID: PMC9564023 DOI: 10.3390/cells11192953] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/11/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
Macrophages are key immune cells that respond to infections, and modulate pathophysiological conditions such as wound healing. By possessing phagocytic activities and through the secretion of cytokines and growth factors, macrophages are pivotal orchestrators of inflammation, fibrosis, and wound repair. Macrophages orchestrate the process of wound healing through the transitioning from predominantly pro-inflammatory (M1-like phenotypes), which present early post-injury, to anti-inflammatory (M2-like phenotypes), which appear later to modulate skin repair and wound closure. In this review, different cellular and molecular aspects of macrophage-mediated skin wound healing are discussed, alongside important aspects such as macrophage subtypes, metabolism, plasticity, and epigenetics. We also highlight previous studies demonstrating interactions between macrophages and these factors for optimal wound healing. Understanding and harnessing the activity and capability of macrophages may help to advance new approaches for improving healing of the skin.
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Affiliation(s)
- Alireza Hassanshahi
- Regenerative Medicine, Future Industries Institute, University of South Australia, Adelaide, SA 5095, Australia
| | - Mohammad Moradzad
- Department of Clinical Biochemistry, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj 66179-13446, Iran
| | - Saman Ghalamkari
- Department of Biology, Islamic Azad University, Arsanjan 61349-37333, Iran
| | - Moosa Fadaei
- Department of Biology, Islamic Azad University, Arsanjan 61349-37333, Iran
| | - Allison J. Cowin
- Regenerative Medicine, Future Industries Institute, University of South Australia, Adelaide, SA 5095, Australia
- Correspondence: (A.J.C.); (M.H.)
| | - Mohammadhossein Hassanshahi
- Vascular Research Centre, Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, North Terrace, Adelaide, SA 5005, Australia
- Correspondence: (A.J.C.); (M.H.)
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Pulido-Escribano V, Torrecillas-Baena B, Camacho-Cardenosa M, Dorado G, Gálvez-Moreno MÁ, Casado-Díaz A. Role of hypoxia preconditioning in therapeutic potential of mesenchymal stem-cell-derived extracellular vesicles. World J Stem Cells 2022; 14:453-472. [PMID: 36157530 PMCID: PMC9350626 DOI: 10.4252/wjsc.v14.i7.453] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/02/2022] [Accepted: 07/11/2022] [Indexed: 02/06/2023] Open
Abstract
The use of mesenchymal stem-cells (MSC) in cell therapy has received considerable attention because of their properties. These properties include high expansion and differentiation in vitro, low immunogenicity, and modulation of biological processes, such as inflammation, angiogenesis and hematopoiesis. Curiously, the regenerative effect of MSC is partly due to their paracrine activity. This has prompted numerous studies, to investigate the therapeutic potential of their secretome in general, and specifically their extracellular vesicles (EV). The latter contain proteins, lipids, nucleic acids, and other metabolites, which can cause physiological changes when released into recipient cells. Interestingly, contents of EV can be modulated by preconditioning MSC under different culture conditions. Among them, exposure to hypoxia stands out; these cells respond by activating hypoxia-inducible factor (HIF) at low O2 concentrations. HIF has direct and indirect pleiotropic effects, modulating expression of hundreds of genes involved in processes such as inflammation, migration, proliferation, differentiation, angiogenesis, metabolism, and cell apoptosis. Expression of these genes is reflected in the contents of secreted EV. Interestingly, numerous studies show that MSC-derived EV conditioned under hypoxia have a higher regenerative capacity than those obtained under normoxia. In this review, we show the implications of hypoxia responses in relation to tissue regeneration. In addition, hypoxia preconditioning of MSC is being evaluated as a very attractive strategy for isolation of EV, with a high potential for clinical use in regenerative medicine that can be applied to different pathologies.
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Affiliation(s)
- Victoria Pulido-Escribano
- Unidad de Gestión Clínica de Endocrinología y Nutrición-GC17, Instituto Maimónides de Investigación Biomédica de Córdoba, Hospital Universitario Reina Sofía, Córdoba 14004, Spain
| | - Bárbara Torrecillas-Baena
- Unidad de Gestión Clínica de Endocrinología y Nutrición-GC17, Instituto Maimónides de Investigación Biomédica de Córdoba, Hospital Universitario Reina Sofía, Córdoba 14004, Spain
| | - Marta Camacho-Cardenosa
- Unidad de Gestión Clínica de Endocrinología y Nutrición-GC17, Instituto Maimónides de Investigación Biomédica de Córdoba, Hospital Universitario Reina Sofía, Córdoba 14004, Spain
| | - Gabriel Dorado
- Dep. Bioquímica y Biología Molecular, Campus Rabanales C6-1-E17, Campus de Excelencia Internacional Agroalimentario (ceiA3), Universidad de Córdoba, CIBERFES, Córdoba 14071, Spain
| | - María Ángeles Gálvez-Moreno
- Unidad de Gestión Clínica de Endocrinología y Nutrición-GC17, Instituto Maimónides de Investigación Biomédica de Córdoba, Hospital Universitario Reina Sofía, Córdoba 14004, Spain
| | - Antonio Casado-Díaz
- Unidad de Gestión Clínica de Endocrinología y Nutrición-GC17, Instituto Maimónides de Investigación Biomédica de Córdoba, Hospital Universitario Reina Sofía, Córdoba 14004, Spain
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Kar AK, Singh A, Singh D, Shraogi N, Verma R, Saji J, Jagdale P, Ghosh D, Patnaik S. Biopolymeric composite hydrogel loaded with silver NPs and epigallocatechin gallate (EGCG) effectively manages ROS for rapid wound healing in type II diabetic wounds. Int J Biol Macromol 2022; 218:506-518. [PMID: 35817241 DOI: 10.1016/j.ijbiomac.2022.06.196] [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: 05/04/2022] [Revised: 06/29/2022] [Accepted: 06/29/2022] [Indexed: 11/05/2022]
Abstract
Delayed wound healing in patients having type-II diabetes mellitus (T2DM) often results in a high rate of amputation. We report an innovative Guar Gum-based macroporous hydrogel (HG) infused with an antibacterial agent (Ag NPs), and antioxidant, epigallocatechin gallate (EGCG) to address rapid wound healing and interestingly could inhibit the associated pathophysical bone infection in a high-fat-diet-induced T2DM C57BL/6 mice model. The HG-Ag-EGCG elicits scar-free wound healing in subcutaneous wounds and histopathological evidence confirmed HG-Ag-EGCG hydrogel patch elicits better wound healing through enhanced cell proliferation, mature connecting tissue fiber formation, minimum void spaces formation, and better re-epithelialization when compared with a market available hydrogel patch material (Luofucon®). Supportive of the in vivo outcomes, in vitro experiments delineated better-wound closure due to improved management of ROS by the HG-Ag-EGCG. Additionally, a favorable non-toxicity outcome assessed through both in vitro and in vivo conditions confirmed its potential applicability in clinical wound care management.
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Affiliation(s)
- Aditya K Kar
- Water Analysis Laboratory, System Toxicology, and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Amrita Singh
- Water Analysis Laboratory, System Toxicology, and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Divya Singh
- Water Analysis Laboratory, System Toxicology, and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Nikita Shraogi
- Water Analysis Laboratory, System Toxicology, and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Rahul Verma
- Water Analysis Laboratory, System Toxicology, and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Joel Saji
- Water Analysis Laboratory, System Toxicology, and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Pankaj Jagdale
- Regulatory Toxicology Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Debabrata Ghosh
- Immunotoxicology laboratory, Food, Drug, and Chemical Toxicology Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
| | - Satyakam Patnaik
- Water Analysis Laboratory, System Toxicology, and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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Acellular Dermal Matrix Favorably Modulates the Healing Response after Surgery. Plast Reconstr Surg 2022; 150:290e-299e. [PMID: 35653544 DOI: 10.1097/prs.0000000000009338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
SUMMARY When first described for breast reconstruction, the presence of acellular dermal matrices (ADM) was associated with increased seroma formation and infection. However, clinical safety data has gradually improved with surgeon experience to an acceptable outcomes profile of ADM-assisted reconstruction when compared to submuscular implant coverage. In fact, ADM use potentially decreases capsular contracture rates and facilitates expansion for staged pre-pectoral breast reconstruction. Due to new regulatory requirements, the collection of unbiased, well-powered pre-market approval data summarizing long-term clinical outcomes will be essential over the coming years to understand the clinical performance of ADM usage in breast reconstruction.Currently, we can highlight the physiologic benefits of ADM use in breast reconstruction by evaluating the components of surgical wound healing that are favorably augmented by the implanted collagen substrate. ADM takes advantage of the wound healing cascade to incorporate into the patient's tissues - a process that requires a coordinated inflammatory infiltrate and angiogenesis. The presence of ADM augments and modulates the wound healing process to its advantage by simultaneously increasing the invasion of appropriate cellular constituents to facilitate expeditious healing and accelerate angiogenesis. Herein, we summarize the wound healing literature to demonstrate the mechanisms ADM use to biointegrate and the literature in which cellular constituents and soluble growth factors are upregulated in the presence of ADM. Lastly, we use our experimental observations of ADM incorporation to corroborate the literature.
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Bohner M, Maazouz Y, Ginebra MP, Habibovic P, Schoenecker JG, Seeherman H, van den Beucken JJ, Witte F. Sustained local ionic homeostatic imbalance caused by calcification modulates inflammation to trigger heterotopic ossification. Acta Biomater 2022; 145:1-24. [PMID: 35398267 DOI: 10.1016/j.actbio.2022.03.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 12/15/2022]
Abstract
Heterotopic ossification (HO) is a condition triggered by an injury leading to the formation of mature lamellar bone in extraskeletal soft tissues. Despite being a frequent complication of orthopedic and trauma surgery, brain and spinal injury, the etiology of HO is poorly understood. The aim of this study is to evaluate the hypothesis that a sustained local ionic homeostatic imbalance (SLIHI) created by mineral formation during tissue calcification modulates inflammation to trigger HO. This evaluation also considers the role SLIHI could play for the design of cell-free, drug-free osteoinductive bone graft substitutes. The evaluation contains five main sections. The first section defines relevant concepts in the context of HO and provides a summary of proposed causes of HO. The second section starts with a detailed analysis of the occurrence and involvement of calcification in HO. It is followed by an explanation of the causes of calcification and its consequences. This allows to speculate on the potential chemical modulators of inflammation and triggers of HO. The end of this second section is devoted to in vitro mineralization tests used to predict the ectopic potential of materials. The third section reviews the biological cascade of events occurring during pathological and material-induced HO, and attempts to propose a quantitative timeline of HO formation. The fourth section looks at potential ways to control HO formation, either acting on SLIHI or on inflammation. Chemical, physical, and drug-based approaches are considered. Finally, the evaluation finishes with a critical assessment of the definition of osteoinduction. STATEMENT OF SIGNIFICANCE: The ability to regenerate bone in a spatially controlled and reproducible manner is an essential prerequisite for the treatment of large bone defects. As such, understanding the mechanism leading to heterotopic ossification (HO), a condition triggered by an injury leading to the formation of mature lamellar bone in extraskeletal soft tissues, would be very useful. Unfortunately, the mechanism(s) behind HO is(are) poorly understood. The present study reviews the literature on HO and based on it, proposes that HO can be caused by a combination of inflammation and calcification. This mechanism helps to better understand current strategies to prevent and treat HO. It also shows new opportunities to improve the treatment of bone defects in orthopedic and dental procedures.
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Sun XK, Li R, Yang XL, Yuan L. Efficacy and safety of topical oxygen therapy for diabetic foot ulcers: An updated systematic review and meta-analysis. Int Wound J 2022; 19:2200-2209. [PMID: 35510518 DOI: 10.1111/iwj.13830] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 04/18/2022] [Accepted: 04/19/2022] [Indexed: 02/05/2023] Open
Abstract
To evaluate the efficacy and safety of topical oxygen therapy (TOT) in diabetic foot ulcers (DFUs), researchers systematically retrieved relevant studies from PubMed, EMBASE, Web of Science, CENTRAL and ClinicalTrials.gov. Relevant studies were searched from database inception to January 2022. Two researchers independently screened the literature, extracted data and assessed the quality of the included studies. Statistical analysis was performed in Stata 16.0. A total of seven RCTs involving 614 participants were included. Compared with the control group, the TOT group had a higher healing rate (RR = 1.63, 95% CI [1.33, 2.00]). According to descriptive analysis, TOT reduced the ulcer area and improved healing durability and quality of life. Furthermore, it had no effect on the occurrence of adverse events. However, it was unclear whether it would be able to reduce the healing time. The existing evidence suggests that TOT is effective and safe for chronic DFUs. Further studies are warranted to validate our findings.
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Affiliation(s)
- Xian-Kun Sun
- Department of Nephrology, West China Hospital of Sichuan University, Chengdu, China.,West China School of Nursing, Sichuan University, Chengdu, China
| | - Rao Li
- Department of Endocrinology and Metabolism, West China Hospital of Sichuan University, Chengdu, China
| | - Xiao-Ling Yang
- Department of Endocrinology and Metabolism, West China Hospital of Sichuan University, Chengdu, China
| | - Li Yuan
- Department of Endocrinology and Metabolism, West China Hospital of Sichuan University, Chengdu, China
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Zhu J, Chen C, Dong J, Cheng S, Li G, Wang C, Ouyang D, Leung CH, Lin L. Artificial intelligence-aided discovery of prolyl hydroxylase 2 inhibitors to stabilize hypoxia inducible factor-1α and promote angiogenesis. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.05.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Bassar IK, Jamsari J, Nasrul E, Humaryanto H. Relationship between Gene Polymorphism of Vascular Endothelial Growth Factor (VEGF) rs699947 with VEGF and Matrix Metalloproteinase-14 Protein Levels in Patient with Diabetic Foot Ulcer. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.9562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND: Vascular endothelial growth factor (VEGF) protein levels in diabetes mellitus (DM) patients with ulcerative foot will tend to decrease. Matrix metalloproteinases (MMPs) and their inhibitors have also been identified in regulating capillary tubes formation (morphogenesis) with the collagen matrix, associated with the formation and regression of granulation tissue during the wound healing process.
AIM: This study was aimed to determine the relationship between gene polymorphism VEGF rs699947 with VEGF and MMP-14 protein levels in cases of diabetic foot ulcers (DFUs).
METHODS: This study was an observational research with cross-sectional comparative study design. The population in this study were type-2 DM patients who met the inclusion criteria. According to the Meggitt-Wagner classification, the study sample was divided into two groups: Type 2 DM group without DFU and type 2 DM group with DFU Grades 1–3.
RESULTS: In this study, there were differences in the protein levels of MMP-14 (p = 0.039) VEGF (p = 0.002) between type-2 DM patients with and without FDU. However, there was no difference in the VEGF gene polymorphism rs6999947 between type-2 DM patients with and without FDU (p = 0.099). In addition, the results showed that type-2 DM patients with MMP-14 protein levels ≤ 3.864 had a 3.6 times greater risk of suffer FDU compared to type-2 DM patients with MMP-14 protein levels > 3.864 but not significant (PR = 3.600 (IK 5 % 1.142–11.346); p = 0.052). Meanwhile, type 2 DM patients with VEGF protein levels ≤567.42 were significantly more at risk of 9048 times to suffer FDU compared to type 2 DM patients with VEGF protein levels > 567.42 (PR = 9.048 (CI 5% 2.571–31.842); p = 0.001).
CONCLUSION: In type 2 DM patients with FDU, there were lower levels of MMP-14 and VEGF compared to patients without FDU. There is a significant relationship between VEGF protein levels and the incidence of FDU in type 2 DM patients, but there is no relationship between MMP-14 and the gene polymorphism VEGF rs6999947 with the incidence of FDU in type 2 DM patients.
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Emam M, Caballero-Solares A, Xue X, Umasuthan N, Milligan B, Taylor RG, Balder R, Rise ML. Gill and Liver Transcript Expression Changes Associated With Gill Damage in Atlantic Salmon ( Salmo salar). Front Immunol 2022; 13:806484. [PMID: 35418993 PMCID: PMC8996064 DOI: 10.3389/fimmu.2022.806484] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 01/31/2022] [Indexed: 12/24/2022] Open
Abstract
Gill damage represents a significant challenge in the teleost fish aquaculture industry globally, due to the gill’s involvement in several vital functions and direct contact with the surrounding environment. To examine the local and systemic effects accompanying gill damage (which is likely to negatively affect gill function) of Atlantic salmon, we performed a field sampling to collect gill and liver tissue after several environmental insults (e.g., harmful algal blooms). Before sampling, gills were visually inspected and gill damage was scored; gill scores were assigned from pristine [gill score 0 (GS0)] to severely damaged gills (GS3). Using a 44K salmonid microarray platform, we aimed to compare the transcriptomes of pristine and moderately damaged (i.e., GS2) gill tissue. Rank Products analysis (5% percentage of false-positives) identified 254 and 34 upregulated and downregulated probes, respectively, in GS2 compared with GS0. Differentially expressed probes represented genes associated with functions including gill remodeling, wound healing, and stress and immune responses. We performed gill and liver qPCR for all four gill damage scores using microarray-identified and other damage-associated biomarker genes. Transcripts related to wound healing (e.g., neb and klhl41b) were significantly upregulated in GS2 compared with GS0 in the gills. Also, transcripts associated with immune and stress-relevant pathways were dysregulated (e.g., downregulation of snaclec 1-like and upregulation of igkv3) in GS2 compared with GS0 gills. The livers of salmon with moderate gill damage (i.e., GS2) showed significant upregulation of transcripts related to wound healing (i.e., chtop), apoptosis (e.g., bnip3l), blood coagulation (e.g., f2 and serpind1b), transcription regulation (i.e., pparg), and stress-responses (e.g., cyp3a27) compared with livers of GS0 fish. We performed principal component analysis (PCA) using transcript levels for gill and liver separately. The gill PCA showed that PC1 significantly separated GS2 from all other gill scores. The genes contributing most to this separation were pgam2, des, neb, tnnt2, and myom1. The liver PCA showed that PC1 significantly separated GS2 from GS0; levels of hsp70, cyp3a27, pparg, chtop, and serpind1b were the highest contributors to this separation. Also, hepatic acute phase biomarkers (e.g., serpind1b and f2) were positively correlated to each other and to gill damage. Gill damage-responsive biomarker genes and associated qPCR assays arising from this study will be valuable in future research aimed at developing therapeutic diets to improve farmed salmon welfare.
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Affiliation(s)
- Mohamed Emam
- Department of Ocean Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
| | | | - Xi Xue
- Department of Ocean Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
| | | | | | - Richard G Taylor
- Cargill Animal Nutrition and Health, Elk River, MN, United States
| | - Rachel Balder
- Cargill Animal Nutrition and Health, Elk River, MN, United States
| | - Matthew L Rise
- Department of Ocean Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
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Salvo J, Sandoval C. Role of copper nanoparticles in wound healing for chronic wounds: literature review. BURNS & TRAUMA 2022; 10:tkab047. [PMID: 35071652 PMCID: PMC8778594 DOI: 10.1093/burnst/tkab047] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/15/2021] [Indexed: 12/12/2022]
Abstract
Chronic wounds are defined as wounds that fail to proceed through the normal phases of wound healing in an orderly and timely manner. The most common and inevitable impairment to wound healing is the installation of an infection, usually in the case of chronic wounds. Therefore, the objective of the present review was to identify the importance of copper nanoparticles in dressings for wound healing. Nanoparticles such as silver, gold and copper combat infectious processes through the inhibition of protein synthesis, peroxidation of the cell membrane and destroying the nucleic acids of bacteria and viruses. Among bioactive nanoparticles, copper plays a complex role in various cells, it modulates several cytokines and growth factor mechanisms of action and is essentially involved in all stages of the wound healing process. More importantly, copper plays a key role in skin regeneration and angiogenesis and accelerates the healing process through induction of vascular endothelial growth factor (VEGF) and angiogenesis by hypoxia-induced factor-1-alpha (HIF-1α) action where copper enhances HIF-1α expression and HIF-1α binding to the critical motifs in the promoter and putative enhancer regions of HIF-1-regulated genes.
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Affiliation(s)
- Jessica Salvo
- Escuela de Enfermería, Facultad de Ciencias, Universidad Mayor, Chile
| | - Cristian Sandoval
- Escuela de Tecnología Médica, Facultad de Salud, Universidad Santo Tomás, Los Carreras 753, 5310431, Osorno, Chile
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Jing J, Jiang H, Zhang L. Endothelial progenitor cells promote neural stem cell proliferation in hypoxic conditions through VEGF via the PI3K/AKT pathway. J Recept Signal Transduct Res 2022; 42:479-485. [PMID: 35042445 DOI: 10.1080/10799893.2021.2019275] [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: 01/07/2023]
Abstract
Neurons and vascular cells compose neurovascular niches in the central nervous system where endothelial cells can promote neurogenesis via direct and indirect effects. Neurocytes and vascular cells are gravely destroyed upon spinal cord injury, which severely affects spinal motor functions. Neurogenesis originates from neural stem cells (NSCs) and endothelial cells derived from endothelial progenitor cells (EPCs) in the spinal cord. To demonstrate whether EPCs promote NSC proliferation, we cultured NSCs with EPC-conditioned medium from hypoxic conditions (CM) and EPC-unconditioned medium (UCM), i.e. endothelial cell basal medium-2, as a control. The number of S-phase cells in CM were 54.73 ± 0.67 whereas those in UCM were 26.30 ± 0.43, and the number of cells in CM was higher than that in UCM (0.32 ± 0.0019 vs. 0.55 ± 0.0029). We hypothesized that the cell proliferation was promoted by vascular endothelial growth factor A (VEGFA), which is secreted by EPCs in hypoxic conditions. We then used VEGF shRNA to decrease VEGFA secretion by EPCs. NSCs were cultured in conditioned medium from shRNA transfected EPCs under hypoxia (shRNA-CM) and EPC-conditioned medium under hypoxia (CM). The number of S-phase cells in the shRNA-CM was 36.86 ± 0.49 whereas that in CM was 53.61 ± 0.89, and the number of cells in the shRNA-CM was lower than that in CM (0.55 ± 0.0032 vs. 0.34 ± 0.0029). These data indicate that EPCs could promote NSC proliferation in hypoxic condition through VEGFA secretion.
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Affiliation(s)
- Jingti Jing
- Department of Orthopedics, The Third Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Haoming Jiang
- Department of Orthopedics, The Third Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Lin Zhang
- Department of Orthopedics, The Third Affiliated Hospital of Shenzhen University, Shenzhen, China
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Frasca D, Strbo N. Effects of Obesity on Infections with Emphasis on Skin Infections and Wound Healing. JOURNAL OF DERMATOLOGY AND SKIN SCIENCE 2022; 4:5-10. [PMID: 37621853 PMCID: PMC10448872 DOI: 10.29245/2767-5092/2022/3.1157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
Obesity represents a serious health problem as it is rapidly increasing worldwide. Obesity is associated with reduced health span and life span, decreased responses to infections and vaccination and increased frequency of inflammatory conditions. In this review, we summarize published data showing that obesity increases the risk of different types of infections, with a special focus on skin infections. Obesity also induces skin changes and conditions (inflammation-based and hypertrophic) which are often associated with fungi or bacteria overgrowth. The association of obesity with the skin microbiome has been established in both mice and humans. Balance of commensal microbes controls skin homeostasis and the host immune response, while changes in normal physiologic skin microbiome composition and pathologic bacteria contribute to skin diseases. We also summarize the major steps in wound healing and how obesity affects each of them. The role that immune cells have in this process is also described. Although the studies summarized in this review clearly demonstrate the deleterious effects of obesity on wound healing, additional studies are needed to better characterize the cellular and molecular mechanisms involved and identify specific targets of intervention.
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Affiliation(s)
- Daniela Frasca
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL USA
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL USA
| | - Natasa Strbo
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL USA
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL USA
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Kirasirova EA, Frolkina EA, Rybalchenko IE, Tyutina SI. [Chronic respiratory failure correction in cicatricial laryngeal and tracheal stenosis using helium-oxygen mixture]. Vestn Otorinolaringol 2022; 87:63-70. [PMID: 36107183 DOI: 10.17116/otorino20228704163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The article provides a review of the literature on the development of chronic respiratory failure in patients with chronic cicatricial stenosis of the larynx and cervical trachea. The authors provide data on the etiology, pathogenetic features of the course of cicatricial stenosis of the larynx and trachea, the reasons for the development of chronic respiratory failure, the effect of hypoxemia on general metabolic processes in the body and on regeneration processes, as well as on methods of their correction and improvement of the postoperative period. The methods of respiratory impact on chronic respiratory failure in these patients are considered, based on the experience of a number of researchers and technical advances in recent years.
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Affiliation(s)
- E A Kirasirova
- Pirogov Russian National Research Medical University, Moscow, Russia
- Sverzhevsky Research Clinical Institute of Otorhinolaryngology, Moscow, Russia
| | - E A Frolkina
- Sverzhevsky Research Clinical Institute of Otorhinolaryngology, Moscow, Russia
| | | | - S I Tyutina
- Sverzhevsky Research Clinical Institute of Otorhinolaryngology, Moscow, Russia
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Weng T, Wang J, Yang M, Zhang W, Wu P, You C, Han C, Wang X. Nanomaterials for the delivery of bioactive factors to enhance angiogenesis of dermal substitutes during wound healing. BURNS & TRAUMA 2022; 10:tkab049. [PMID: 36960274 PMCID: PMC8944711 DOI: 10.1093/burnst/tkab049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/14/2021] [Indexed: 11/14/2022]
Abstract
Dermal substitutes provide a template for dermal regeneration and reconstruction. They constitutes an ideal clinical treatment for deep skin defects. However, rapid vascularization remains as a major hurdle to the development and application of dermal substitutes. Several bioactive factors play an important regulatory role in the process of angiogenesis and an understanding of the mechanism of achieving their effective delivery and sustained function is vital. Nanomaterials have great potential for tissue engineering. Effective delivery of bioactive factors (including growth factors, peptides and nucleic acids) by nanomaterials is of increasing research interest. This paper discusses the process of dermal substitute angiogenesis and the roles of related bioactive factors in this process. The application of nanomaterials for the delivery of bioactive factors to enhance angiogenesis and accelerate wound healing is also reviewed. We focus on new systems and approaches for delivering bioactive factors for enhancing angiogenesis in dermal substitutes.
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Affiliation(s)
- Tingting Weng
- Department of Burns & Wound Care Centre, the Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou 310002, China
- Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou 310002,China
| | - Jialiang Wang
- Department of Burns & Wound Care Centre, the Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou 310002, China
- Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou 310002,China
| | - Min Yang
- Department of Burns & Wound Care Centre, the Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou 310002, China
- Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou 310002,China
| | - Wei Zhang
- Department of Burns & Wound Care Centre, the Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou 310002, China
- Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou 310002,China
| | - Pan Wu
- Department of Burns & Wound Care Centre, the Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou 310002, China
- Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou 310002,China
| | - Chuangang You
- Department of Burns & Wound Care Centre, the Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou 310002, China
- Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou 310002,China
| | - Chunmao Han
- Department of Burns & Wound Care Centre, the Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou 310002, China
- Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou 310002,China
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Gawronska-Kozak B, Walendzik K, Machcinska S, Padzik A, Kopcewicz M, Wiśniewska J. Dermal White Adipose Tissue (dWAT) Is Regulated by Foxn1 and Hif-1α during the Early Phase of Skin Wound Healing. Int J Mol Sci 2021; 23:257. [PMID: 35008683 PMCID: PMC8745105 DOI: 10.3390/ijms23010257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/17/2021] [Accepted: 12/23/2021] [Indexed: 12/23/2022] Open
Abstract
Dermal white adipose tissue (dWAT) is involved in the maintenance of skin homeostasis. However, the studies concerning its molecular regulation are limited. In the present paper, we ask whether the introduction of two transcription factors, Foxn1 and Hif-1α, into the post-wounded skin of Foxn1-/- mice regulates dWAT during wound healing (days 3 and 6). We have chosen lentivirus vectors (LVs) as a tool to deliver Foxn1 and Hif-1α into the post-wounded skin. We documented that combinations of both transgenes reduces the number, size and diameter of dermal adipocytes at the wound bed area. The qRT-PCR analysis of pro-adipogenic genes, revealed that LV-Hif-1α alone, or combined with LV-Foxn1, increases the mRNA expression of Pparγ, Glut 4 and Fasn at post-wounding day 6. However, the most spectacular stimulatory effect of Foxn1 and/or Hif-1α was observed for Igf2, the growth factor participating in adipogenic signal transduction. Our data also shows that Foxn1/Hif-1α, at post-wounding day 3, reduces levels of CD68 and MIP-1γ mRNA expression and the percentage of CD68 positive cells in the wound site. In conclusion, the present data are the first to document that Foxn1 and Hif-1α cooperatively (1) regulate dWAT during the proliferative phase of skin wound healing through the Igf2 signaling pathway, and (2) reduce the macrophages content in the wound site.
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Affiliation(s)
- Barbara Gawronska-Kozak
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland; (K.W.); (S.M.); (M.K.); (J.W.)
| | - Katarzyna Walendzik
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland; (K.W.); (S.M.); (M.K.); (J.W.)
| | - Sylwia Machcinska
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland; (K.W.); (S.M.); (M.K.); (J.W.)
| | - Artur Padzik
- Virus Vector Core, Turku Centre for Biotechnology BioCity, 20520 Turku, Finland;
| | - Marta Kopcewicz
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland; (K.W.); (S.M.); (M.K.); (J.W.)
| | - Joanna Wiśniewska
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland; (K.W.); (S.M.); (M.K.); (J.W.)
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HIF-Overexpression and Pro-Inflammatory Priming in Human Mesenchymal Stromal Cells Improves the Healing Properties of Extracellular Vesicles in Experimental Crohn's Disease. Int J Mol Sci 2021; 22:ijms222011269. [PMID: 34681929 PMCID: PMC8540690 DOI: 10.3390/ijms222011269] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 02/06/2023] Open
Abstract
Extracellular vesicles (EVs) derived from mesenchymal stromal cells (MSCs) have therapeutic potential in the treatment of several immune disorders, including ulcerative colitis, owing to their regenerative and immunosuppressive properties. We recently showed that MSCs engineered to overexpress hypoxia-inducible factor 1-alpha and telomerase (MSC-T-HIF) and conditioned with pro-inflammatory stimuli release EVs (EVMSC-T-HIFC) with potent immunomodulatory activity. We tested the efficacy of EVMSC-T-HIFC to repolarize M1 macrophages (Mφ1) to M2-like macrophages (Mφ2-like) by analyzing surface markers and cytokines and performing functional assays in co-culture, including efferocytosis and T-cell proliferation. We also studied the capacity of EVMSC-T-HIFC to dampen the inflammatory response of activated endothelium and modulate fibrosis. Finally, we tested the therapeutic capacity of EVMSC-T-HIFC in an acute colitis model. EVMSC-T-HIFc induced the repolarization of monocytes from Mφ1 to an Mφ2-like phenotype, which was accompanied by reduced inflammatory cytokine release. EVMSC-T-HIFc-treated Mφ1 had similar effects of immunosuppression on activated peripheral blood mononuclear cells (PBMC) as Mφ2, and reduced the adhesion of PBMCs to activated endothelium. EVMSC-T-HIFc also prevented myofibroblast differentiation of TGF-β-treated fibroblasts. Finally, administration of EVMSC-T-HIFc promoted healing in a TNBS-induced mouse colitis model in terms of preserving colon length and intestinal mucosa architecture and altering the ratio of Mφ1/ Mφ2 infiltration. In conclusion, EVMSC-T-HIFC have effective anti-inflammatory properties, making them potential therapeutic agents in cell free-based therapies for the treatment of Crohn’s disease and likely other immune-mediated inflammatory diseases.
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Jeny F, Bernaudin JF, Valeyre D, Kambouchner M, Pretolani M, Nunes H, Planès C, Besnard V. Hypoxia Promotes a Mixed Inflammatory-Fibrotic Macrophages Phenotype in Active Sarcoidosis. Front Immunol 2021; 12:719009. [PMID: 34456926 PMCID: PMC8385772 DOI: 10.3389/fimmu.2021.719009] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 07/26/2021] [Indexed: 11/30/2022] Open
Abstract
Background Macrophages are pivotal cells in sarcoidosis. Monocytes-derived (MD) macrophages have recently been demonstrated to play a major role especially in pulmonary sarcoidosis. From inflammatory tissues to granulomas, they may be exposed to low oxygen tension environments. As hypoxia impact on sarcoidosis immune cells has never been addressed, we designed the present study to investigate MD-macrophages from sarcoidosis patients in this context. We hypothesized that hypoxia may induce functional changes on MD-macrophages which could have a potential impact on the course of sarcoidosis. Methods We studied MD-macrophages, from high active sarcoidosis (AS) (n=26), low active or inactive sarcoidosis (IS) (n=24) and healthy controls (n=34) exposed 24 hours to normoxia (21% O2) or hypoxia (1.5% O2). Different macrophage functions were explored: hypoxia-inducible factor-1α (HIF-1α) and nuclear factor-kappa B (NF-κB) activation, cytokines secretion, phagocytosis, CD80/CD86/HLA-DR expression, profibrotic response. Results We observed that hypoxia, with a significantly more pronounced effect in AS compared with controls and IS, increased the HIF-1α trans-activity, promoted a proinflammatory response (TNFα, IL1ß) without activating NF-κB pathway and a profibrotic response (TGFß1, PDGF-BB) with PAI-1 secretion associated with human lung fibroblast migration inhibition. These results were confirmed by immunodetection of HIF-1α and PAI-1 in granulomas observed in pulmonary biopsies from patients with sarcoidosis. Hypoxia also decreased the expression of CD80/CD86 and HLA-DR on MD-macrophages in the three groups while it did not impair phagocytosis and the expression of CD36 expression on cells in AS and IS at variance with controls. Conclusions Hypoxia had a significant impact on MD-macrophages from sarcoidosis patients, with the strongest effect seen in patients with high active disease. Therefore, hypoxia could play a significant role in sarcoidosis pathogenesis by increasing the macrophage proinflammatory response, maintaining phagocytosis and reducing antigen presentation, leading to a deficient T cell response. In addition, hypoxia could favor fibrosis by promoting profibrotic cytokines response and by sequestering fibroblasts in the vicinity of granulomas.
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Affiliation(s)
- Florence Jeny
- INSERM UMR 1272, Sorbonne Paris-Nord University, Bobigny, France.,AP-HP, Pulmonology Department, Avicenne Hospital, Bobigny, France
| | - Jean-François Bernaudin
- INSERM UMR 1272, Sorbonne Paris-Nord University, Bobigny, France.,Faculty of Medicine, Sorbonne University, Paris, France
| | - Dominique Valeyre
- INSERM UMR 1272, Sorbonne Paris-Nord University, Bobigny, France.,AP-HP, Pulmonology Department, Avicenne Hospital, Bobigny, France
| | - Marianne Kambouchner
- INSERM UMR 1272, Sorbonne Paris-Nord University, Bobigny, France.,AP-HP, Pathology Department, Avicenne Hospital, Bobigny, France
| | - Marina Pretolani
- Inserm UMR1152, Physiopathology and Epidemiology of Respiratory Diseases, Paris, France.,Faculty of Medicine, Bichat Hospital, Paris University, Paris, France.,Laboratory of Excellence, INFLAMEX, Paris University, DHU FIRE, Paris, France
| | - Hilario Nunes
- INSERM UMR 1272, Sorbonne Paris-Nord University, Bobigny, France.,AP-HP, Pulmonology Department, Avicenne Hospital, Bobigny, France
| | - Carole Planès
- INSERM UMR 1272, Sorbonne Paris-Nord University, Bobigny, France.,AP-HP, Physiology Department, Avicenne Hospital, Bobigny, France
| | - Valérie Besnard
- INSERM UMR 1272, Sorbonne Paris-Nord University, Bobigny, France
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44
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Manabe T, Park H, Minami T. Calcineurin-nuclear factor for activated T cells (NFAT) signaling in pathophysiology of wound healing. Inflamm Regen 2021; 41:26. [PMID: 34407893 PMCID: PMC8371293 DOI: 10.1186/s41232-021-00176-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 08/02/2021] [Indexed: 12/26/2022] Open
Abstract
Wound healing occurred with serial coordinated processes via coagulation-fibrinolysis, inflammation following to immune-activation, angiogenesis, granulation, and the final re-epithelization. Since the dermis forms critical physical and biological barriers, the repair system should be rapidly and accurately functioned to keep homeostasis in our body. The wound healing is impaired or dysregulated via an inappropriate microenvironment, which is easy to lead to several diseases, including fibrosis in multiple organs and psoriasis. Such a disease led to the dysregulation of several types of cells: immune cells, fibroblasts, mural cells, and endothelial cells. Moreover, recent progress in medical studies uncovers the significant concept. The calcium signaling, typically the following calcineurin-NFAT signaling, essentially regulates not only immune cell activations, but also various healing steps via coagulation, inflammation, and angiogenesis. In this review, we summarize the role of the NFAT activation pathway in wound healing and discuss its overall impact on future therapeutic ways.
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Affiliation(s)
- Takahiro Manabe
- Division of Molecular and Vascular Biology, IRDA, Kumamoto University, 2-2-1 Honjyo Chuo-ku, Kumamoto, 860-0811, Japan
| | - Heamin Park
- Division of Molecular and Vascular Biology, IRDA, Kumamoto University, 2-2-1 Honjyo Chuo-ku, Kumamoto, 860-0811, Japan
| | - Takashi Minami
- Division of Molecular and Vascular Biology, IRDA, Kumamoto University, 2-2-1 Honjyo Chuo-ku, Kumamoto, 860-0811, Japan.
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45
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Kuai L, Jiang JS, Li W, Li B, Yin SY. Long non-coding RNAs in diabetic wound healing: Current research and clinical relevance. Int Wound J 2021; 19:583-600. [PMID: 34337861 PMCID: PMC8874090 DOI: 10.1111/iwj.13655] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 05/15/2021] [Accepted: 06/21/2021] [Indexed: 01/23/2023] Open
Abstract
Diabetic wounds are a protracted complication of diabetes mainly characterised by chronic inflammation, obstruction of epithelialization, damaged blood vessels and collagen production (maturation), as well as neuropathy. As a non‐coding RNA (ncRNA) that lack coding potential, long non‐coding RNAs (lncRNAs) have recently been reported to play a salient role in diabetic wound healing. Here, this review summarises the roles of lncRNAs in the pathology and treatments of diabetic wounds, providing references for its potential clinical diagnostic criteria or therapeutic targets in the future.
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Affiliation(s)
- Le Kuai
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jing-Si Jiang
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Wei Li
- Center for Translational Medicine, Huaihe Hospital of Henan University, Kaifeng, China
| | - Bin Li
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shuang-Yi Yin
- Center for Translational Medicine, Huaihe Hospital of Henan University, Kaifeng, China
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46
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Priming of MSCs with inflammation-relevant signals affects extracellular vesicle biogenesis, surface markers, and modulation of T cell subsets. ACTA ACUST UNITED AC 2021. [DOI: 10.1016/j.regen.2020.100036] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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47
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Hofmann E, Soppert J, Ruhl T, Gousopoulos E, Gerra S, Storti G, Tian Y, Brandhofer M, Schweizer R, Song SY, Lindenblatt N, Pallua N, Bernhagen J, Kim BS. The Role of Macrophage Migration Inhibitory Factor in Adipose-Derived Stem Cells Under Hypoxia. Front Physiol 2021; 12:638448. [PMID: 34366876 PMCID: PMC8334873 DOI: 10.3389/fphys.2021.638448] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 06/21/2021] [Indexed: 01/04/2023] Open
Abstract
Background: Adipose-derived stem cells (ASCs) are multipotent mesenchymal stem cells characterized by their strong regenerative potential and low oxygen consumption. Macrophage migration inhibitory factor (MIF) is a multifunctional chemokine-like cytokine that is involved in tissue hypoxia. MIF is not only a major immunomodulator but also is highly expressed in adipose tissue such as subcutaneous adipose tissue of chronic non-healing wounds. In the present study, we investigated the effect of hypoxia on MIF in ASCs isolated from healthy versus inflamed adipose tissue. Methods: Human ASCs were harvested from 17 patients (11 healthy adipose tissue samples, six specimens from chronic non-healing wounds). ASCs were treated in a hypoxia chamber at <1% oxygen. ASC viability, MIF secretion as well as expression levels of MIF, its receptor CD74, hypoxia-inducible transcription factor-1α (HIF-1α) and activation of the AKT and ERK signaling pathways were analyzed. The effect of recombinant MIF on the viability of ASCs was determined. Finally, the effect of MIF on the viability and production capacity of ASCs to produce the inflammatory cytokines tumor necrosis factor (TNF), interleukin (IL)-6, and IL-1β was determined upon treatment with recombinant MIF and/or a blocking MIF antibody. Results: Hypoxic treatment inhibited proliferation of ASCs derived from healthy or chronic non-healing wounds. ASCs from healthy adipose tissue samples were characterized by a low degree of MIF secretion during hypoxic challenge. In contrast, in ASCs from adipose tissue samples of chronic non-healing wounds, secretion and expression of MIF and CD74 expression were significantly elevated under hypoxia. This was accompanied by enhanced ERK signaling, while AKT signaling was not altered. Recombinant MIF did stimulate HIF-1α expression under hypoxia as well as AKT and ERK phosphorylation, while no effect on ASC viability was observed. Recombinant MIF significantly reduced the secretion of IL-1β under hypoxia and normoxia, and neutralizing MIF-antibodies diminished TNF-α and IL-1β release in hypoxic ASCs. Conclusions: Collectively, MIF did not affect the viability of ASCs from neither healthy donor site nor chronic wounds. Our results, however, suggest that MIF has an impact on the wound environment by modulating inflammatory factors such as IL-1β.
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Affiliation(s)
- Elena Hofmann
- Department of Plastic Surgery and Hand Surgery-Burn Center, University Hospital RWTH Aachen, Aachen, Germany.,Institute of Biochemistry and Molecular Cell Biology, University Hospital RWTH Aachen, Aachen, Germany
| | - Josefin Soppert
- Institute of Biochemistry and Molecular Cell Biology, University Hospital RWTH Aachen, Aachen, Germany.,Institute for Molecular Cardiovascular Research, University Hospital RWTH Aachen, Aachen, Germany.,Department of Intensive Care and Intermediate Care, University Hospital RWTH Aachen, Aachen, Germany
| | - Tim Ruhl
- Department of Plastic Surgery and Hand Surgery-Burn Center, University Hospital RWTH Aachen, Aachen, Germany
| | - Epameinondas Gousopoulos
- Department of Plastic Surgery and Hand Surgery, University Hospital of Zürich, Zurich, Switzerland
| | - Simona Gerra
- Chair of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig Maximilian University of Munich (LMU), Munich, Germany
| | - Gabriele Storti
- Plastic and Reconstructive Surgery, Department of Surgical Sciences, University of Rome "Tor Vergata", Rome, Italy
| | - Yuan Tian
- Chair of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig Maximilian University of Munich (LMU), Munich, Germany
| | - Markus Brandhofer
- Chair of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig Maximilian University of Munich (LMU), Munich, Germany
| | - Riccardo Schweizer
- Department of Plastic Surgery and Hand Surgery, University Hospital of Zürich, Zurich, Switzerland
| | - Seung-Yong Song
- Department of Plastic and Reconstructive Surgery, Yonsei University College of Medicine, Seoul, South Korea
| | - Nicole Lindenblatt
- Department of Plastic Surgery and Hand Surgery, University Hospital of Zürich, Zurich, Switzerland
| | - Norbert Pallua
- Department of Plastic Surgery and Hand Surgery-Burn Center, University Hospital RWTH Aachen, Aachen, Germany.,Aesthetic Elite International-Private Clinic, Dusseldorf, Germany
| | - Jürgen Bernhagen
- Institute of Biochemistry and Molecular Cell Biology, University Hospital RWTH Aachen, Aachen, Germany.,Chair of Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU University Hospital, Ludwig Maximilian University of Munich (LMU), Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Bong-Sung Kim
- Department of Plastic Surgery and Hand Surgery-Burn Center, University Hospital RWTH Aachen, Aachen, Germany.,Institute of Biochemistry and Molecular Cell Biology, University Hospital RWTH Aachen, Aachen, Germany.,Department of Plastic Surgery and Hand Surgery, University Hospital of Zürich, Zurich, Switzerland
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48
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Dong W, Song Z, Liu S, Yu P, Shen Z, Yang J, Yang D, Hu Q, Zhang H, Gu Y. Adipose-Derived Stem Cells Based on Electrospun Biomimetic Scaffold Mediated Endothelial Differentiation Facilitating Regeneration and Repair of Abdominal Wall Defects via HIF-1α/VEGF Pathway. Front Bioeng Biotechnol 2021; 9:676409. [PMID: 34307320 PMCID: PMC8293919 DOI: 10.3389/fbioe.2021.676409] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 06/18/2021] [Indexed: 11/26/2022] Open
Abstract
Application of synthetic or biological meshes is the main therapy for the repair and reconstruction of abdominal wall defects, a common disease in surgery. Currently, no ideal materials are available, and there is an urgent need to find appropriate ones to satisfy clinical needs. Electrospun scaffolds have drawn attention in soft tissue reconstruction. In this study, we developed a novel method to fabricate a composite electrospun scaffold using a thermoresponsive hydrogel, poly (N-isopropylacrylamide)-block-poly (ethylene glycol), and a biodegradable polymer, polylactic acid (PLA). This scaffold provided not only a high surface area/volume ratio and a three-dimensional fibrous matrix but also high biocompatibility and sufficient mechanical strength, and could simulate the native extracellular matrix and accelerate cell adhesion and proliferation. Furthermore, rat adipose-derived stem cells (ADSCs) were seeded in the composite electrospun scaffold to enhance the defect repair and regeneration by directionally inducing ADSCs into endothelial cells. In addition, we found early vascularization in the process was regulated by the hypoxia inducible factor-1α (HIF-1α)/vascular endothelial growth factor (VEGF) pathway. In our study, overexpression of HIF-1α/VEGF in ADSCs using a lentivirus system promoted early vascularization in the electrospun scaffolds. Overall, we expect our composite biomimetic scaffold method will be applicable and useful in abdominal wall defect regeneration and repair in the future.
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Affiliation(s)
- Wenpei Dong
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhicheng Song
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Suihong Liu
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai, China
| | - Ping Yu
- Department of Pharmacy, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhipeng Shen
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai, China
| | - Jianjun Yang
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dongchao Yang
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qinxi Hu
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai, China
| | - Haiguang Zhang
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai, China
| | - Yan Gu
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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49
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Wang YJ, Yao XF, Lin YS, Wang JY, Chang CC. Oncologic feasibility for negative pressure wound therapy application in surgical wounds: A meta-analysis. Int Wound J 2021; 19:573-582. [PMID: 34184411 PMCID: PMC8874112 DOI: 10.1111/iwj.13654] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/14/2021] [Accepted: 05/16/2021] [Indexed: 12/25/2022] Open
Abstract
Negative pressure wound therapy (NPWT) decreases postoperative complications of various surgeries. However, the use of NPWT for oncological surgical wounds remains controversial. To evaluate the association of NPWT with oncologic recurrence in surgical wounds without residual malignancy, we analysed studies that compared NPWT with conventional non‐pressure dressings for cancer surgical wounds without residual tumour by August 12, 2020. We compared tumour recurrence rates and postoperative complications between the two procedures. The six studies included 118 patients who received NPWT, and 149 patients who received conventional non‐pressure wound care. The overall quality of the included studies was high based on the Newcastle–Ottawa scale score of 7.5. Tumour recurrence after NPWT was not significantly different compared with conventional non‐negative pressure wound care (9.3% versus 11.4%, P = 0.40). There was no significant heterogeneity between the studies (I2 = 3%). Although NTWT was associated with a lower complication rate compared with the control group, the result was non‐significant (P = 0.15). Application of NPWT in oncologic resection wounds without residual malignancy revealed no difference in local recurrence and may reduce the risk of postoperative complications compared with conventional non‐negative pressure dressings. NPWT can be considered an alternative method for reconstruction in challenging cases.
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Affiliation(s)
- Yen-Jen Wang
- Department of Dermatology, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Cosmetic Applications and Management, Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan
| | - Xiao-Feng Yao
- Department of Dermatology, MacKay Memorial Hospital, Taipei, Taiwan
| | - Yang-Sheng Lin
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan.,Division of Gastroenterology, Department of Internal Medicine, MacKay Memorial Hospital, Taipei, Taiwan.,Evidence-Based Medicine Center, MacKay Memorial Hospital, Taipei, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jen-Yu Wang
- Department of Dermatology, MacKay Memorial Hospital, Taipei, Taiwan
| | - Chang-Cheng Chang
- Department of Cosmeceutics, China Medical University, Taichung, Taiwan.,Institute of Imaging and Biomedical Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan.,Aesthetic Medical Center, China Medical University Hospital, Taichung, Taiwan.,School of Medicine, College of Medicine, China Medical University, China Medical University Hospital, Taichung, Taiwan
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50
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Machcinska S, Kopcewicz M, Bukowska J, Walendzik K, Gawronska-Kozak B. Impairment of the Hif-1α regulatory pathway in Foxn1-deficient (Foxn1 -/- ) mice affects the skin wound healing process. FASEB J 2021; 35:e21289. [PMID: 33475195 DOI: 10.1096/fj.202001907r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/13/2020] [Accepted: 12/03/2020] [Indexed: 02/06/2023]
Abstract
Hypoxia and hypoxia-regulated factors (eg, hypoxia-inducible factor-1α [Hif-1α], factor inhibiting Hif-1α [Fih-1], thioredoxin-1 [Trx-1], aryl hydrocarbon receptor nuclear translocator 2 [Arnt-2]) have essential roles in skin wound healing. Using Foxn1-/- mice that can heal skin injuries in a unique scarless manner, we investigated the interaction between Foxn1 and hypoxia-regulated factors. The Foxn1-/- mice displayed impairments in the regulation of Hif-1α, Trx-1, and Fih-1 but not Arnt-2 during the healing process. An analysis of wounded skin showed that the skin of the Foxn1-/- mice healed in a scarless manner, displaying rapid re-epithelialization and an increase in transforming growth factor β (Tgfβ-3) and collagen III expression. An in vitro analysis revealed that Foxn1 overexpression in keratinocytes isolated from the skin of the Foxn1-/- mice led to reduced Hif-1α expression in normoxic but not hypoxic cultures and inhibited Fih-1 expression exclusively under hypoxic conditions. These data indicate that in the skin, Foxn1 affects hypoxia-regulated factors that control the wound healing process and suggest that under normoxic conditions, Foxn1 is a limiting factor for Hif-1α.
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Affiliation(s)
- Sylwia Machcinska
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Marta Kopcewicz
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Joanna Bukowska
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Katarzyna Walendzik
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Barbara Gawronska-Kozak
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
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