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Lohana P, Suryaprawira A, Woods EL, Dally J, Gait-Carr E, Alaidaroos NYA, Heard CM, Lee KY, Ruge F, Farrier JN, Enoch S, Caley MP, Peake MA, Davies LC, Giles PJ, Thomas DW, Stephens P, Moseley R. Role of Enzymic Antioxidants in Mediating Oxidative Stress and Contrasting Wound Healing Capabilities in Oral Mucosal/Skin Fibroblasts and Tissues. Antioxidants (Basel) 2023; 12:1374. [PMID: 37507914 PMCID: PMC10375950 DOI: 10.3390/antiox12071374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 07/30/2023] Open
Abstract
Unlike skin, oral mucosal wounds are characterized by rapid healing and minimal scarring, attributable to the "enhanced" healing properties of oral mucosal fibroblasts (OMFs). As oxidative stress is increasingly implicated in regulating wound healing outcomes, this study compared oxidative stress biomarker and enzymic antioxidant profiles between patient-matched oral mucosal/skin tissues and OMFs/skin fibroblasts (SFs) to determine whether superior oral mucosal antioxidant capabilities and reduced oxidative stress contributed to these preferential healing properties. Oral mucosa and skin exhibited similar patterns of oxidative protein damage and lipid peroxidation, localized within the lamina propria/dermis and oral/skin epithelia, respectively. SOD1, SOD2, SOD3 and catalase were primarily localized within epithelial tissues overall. However, SOD3 was also widespread within the lamina propria localized to OMFs, vasculature and the extracellular matrix. OMFs were further identified as being more resistant to reactive oxygen species (ROS) generation and oxidative DNA/protein damage than SFs. Despite histological evaluation suggesting that oral mucosa possessed higher SOD3 expression, this was not fully substantiated for all OMFs examined due to inter-patient donor variability. Such findings suggest that enzymic antioxidants have limited roles in mediating privileged wound healing responses in OMFs, implying that other non-enzymic antioxidants could be involved in protecting OMFs from oxidative stress overall.
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Affiliation(s)
- Parkash Lohana
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
- Canniesburn Plastic Surgery Unit, Glasgow Royal Infirmary, Glasgow G4 0SF, UK
| | - Albert Suryaprawira
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
| | - Emma L Woods
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
| | - Jordanna Dally
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
| | - Edward Gait-Carr
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
| | - Nadia Y A Alaidaroos
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
| | - Charles M Heard
- School of Pharmacy and Pharmaceutical Sciences, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF10 3NB, UK
| | - Kwok Y Lee
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
| | - Fiona Ruge
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
- Cardiff China Medical Research Collaborative, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK
| | - Jeremy N Farrier
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
- Oral and Maxilliofacial Surgery, Gloucestershire Royal General Hospital, Gloucester GL1 3NN, UK
| | - Stuart Enoch
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
- Department of Burns and Plastic Surgery, University Hospital of South Manchester, Manchester M23 9LT, UK
| | - Matthew P Caley
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
- Cell Biology and Cutaneous Research, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK
| | - Matthew A Peake
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
- School of Biology, Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
| | - Lindsay C Davies
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Solnavägen 9, Biomedicum, 17165 Solna, Sweden
| | - Peter J Giles
- Division of Medical Genetics, School of Medicine, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XN, UK
| | - David W Thomas
- Advanced Therapies Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
| | - Phil Stephens
- Advanced Therapies Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
| | - Ryan Moseley
- Disease Mechanisms Group, Oral and Biomedical Sciences, School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff CF14 4XY, UK
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Amelioration of oxidative stress-mediated apoptosis in copper oxide nanoparticles-induced liver injury in rats by potent antioxidants. Sci Rep 2020; 10:10812. [PMID: 32616881 PMCID: PMC7331709 DOI: 10.1038/s41598-020-67784-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 06/10/2020] [Indexed: 12/21/2022] Open
Abstract
The purpose of this study is to investigate the therapeutic efficacy of individual or combined doses of dehydro-epiandrosterone (DHEA) and quercetin in ameliorating some biochemical indices in liver of CuO-NPs intoxicated-rats. CuO-NPs (50 nm) was administered as a daily oral dose 100 mg/kg for 2 weeks to rats followed by the fore-mentioned antioxidants for 1 month. We highlighted the therapeutic effect of DHEA and quercetin against CuO-NPs toxicity through monitoring the alteration of liver enzyme activity, antioxidant defense mechanism, necrosis, apoptosis, histopathological alterations, and DNA damage. The rats given CuO-NPs only showed marked significant elevation in liver enzymes, alteration in oxidant-antioxidant balance and an elevation in the hepatic inflammatory marker; tumor necrosis factor-α. Additionally, over expression of both caspase-3 and Bax proteins were detected. Whereas, Bcl2 was down regulated and DNA fragmentation was elevated. Moreover, Histopathological examination of hepatic tissue reinforced the previous biochemical results. Co-treatment with either DHEA, quercetin alone or in combination ameliorated the deviated parameters with variable degrees against CuO-NPs toxicity in rat. In conclusion, our findings suggested that the aforementioned treatments exert therapeutic effect in CuO-NPs toxicity by diminishing oxidative stress, mRNA gene expression and hepatic tissues DNA damage.
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Bernard O, Jeny F, Uzunhan Y, Dondi E, Terfous R, Label R, Sutton A, Larghero J, Vanneaux V, Nunes H, Boncoeur E, Planès C, Dard N. Mesenchymal stem cells reduce hypoxia-induced apoptosis in alveolar epithelial cells by modulating HIF and ROS hypoxic signaling. Am J Physiol Lung Cell Mol Physiol 2017; 314:L360-L371. [PMID: 29167125 DOI: 10.1152/ajplung.00153.2017] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Distal lung diseases, such as pulmonary fibrosis or acute lung injury, are commonly associated with local alveolar hypoxia that may be deleterious through the stimulation of alveolar epithelial cell (AEC) apoptosis. In various murine models of alveolar injury, administration of allogenic human mesenchymal stem cells (hMSCs) exerts an overall protective paracrine effect, limiting lung inflammation and fibrosis. However, the precise mechanisms on lung cells themselves remain poorly understood. Here, we investigated whether hMSC-conditioned medium (hMSC-CM) would protect AECs from hypoxia-induced apoptosis and explored the mechanisms involved in this cytoprotective effect. Exposure of rat primary AECs to hypoxia (1.5% O2 for 24 h) resulted in hypoxia-inducible factor (HIF)-1α protein stabilization, partly dependent on reactive oxygen species (ROS) accumulation, and in a twofold increase in AEC apoptosis that was prevented by the HIF inhibitor 3-(5'-hydroxymethyl-2'-furyl)-1-benzyl-indazole and the antioxidant drug N-acetyl cysteine. Incubation of AECs with hMSC-CM significantly reduced hypoxia-induced apoptosis. hMSC-CM decreased HIF-1α protein expression, as well as ROS accumulation through an increase in antioxidant enzyme activities. Expression of Bnip3 and CHOP, two proapoptotic targets of HIF-1α and ROS pathways, respectively, was suppressed by hMSC-CM, while Bcl-2 expression was restored. The paracrine protective effect of hMSC was partly dependent on keratinocyte growth factor and hepatocyte growth factor secretion, preventing ROS and HIF-1α accumulation.
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Affiliation(s)
- Olivier Bernard
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France
| | - Florence Jeny
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France.,Assistance publique-Hôpitaux de Paris, Hôpital Avicenne, Bobigny, France
| | - Yurdagül Uzunhan
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France.,Assistance publique-Hôpitaux de Paris, Hôpital Avicenne, Bobigny, France
| | - Elisabetta Dondi
- Institut National de la Santé et de la Recherche Médicale, UMR 978, Bobigny, France
| | - Rahma Terfous
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France
| | - Rabab Label
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France
| | - Angela Sutton
- Institut National de la Santé et de la Recherche Médicale, UMR 1148, Laboratory for Vascular Translational Science, UFR Santé Médecine et Biologie Humaine, Université Paris 13, Sorbonne Paris Cité, Groupe Biothérapies et Glycoconjugués, Bobigny, France
| | - Jérôme Larghero
- AP-HP, Hôpital Saint Louis, Unité de Thérapie Cellulaire et Centre d'Investigation Clinique de Biothérapies, Paris, France, Université Paris Diderot, Sorbonne Paris Cité, Paris , France
| | - Valérie Vanneaux
- AP-HP, Hôpital Saint Louis, Unité de Thérapie Cellulaire et Centre d'Investigation Clinique de Biothérapies, Paris, France, Université Paris Diderot, Sorbonne Paris Cité, Paris , France
| | - Hilario Nunes
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France.,Assistance publique-Hôpitaux de Paris, Hôpital Avicenne, Bobigny, France
| | - Emilie Boncoeur
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France
| | - Carole Planès
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France.,Assistance publique-Hôpitaux de Paris, Hôpital Avicenne, Bobigny, France
| | - Nicolas Dard
- Université Paris 13, Sorbonne Paris Cité, Laboratoire Hypoxie & Poumon, EA 2363, Bobigny, France
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Simard JM, Woo SK, Gerzanich V. Transient receptor potential melastatin 4 and cell death. Pflugers Arch 2012; 464:573-82. [PMID: 23065026 PMCID: PMC3513597 DOI: 10.1007/s00424-012-1166-z] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2012] [Revised: 09/25/2012] [Accepted: 09/25/2012] [Indexed: 12/12/2022]
Abstract
Cell death proceeds by way of a variety of “cell death subroutines,” including several types of “apoptosis,” “regulated necrosis,” and others. “Accidental necrosis” due to profound adenosine triphosphate (ATP) depletion or oxidative stress is distinguished from regulated necrosis by the absence of death receptor signaling. However, both accidental and regulated necrosis have in common the process of “oncosis,” a physiological process characterized by Na+ influx and cell volume increase that, in necrotic cell death, is required to produce the characteristic features of membrane blebbing and membrane rupture. Here, we review emerging evidence that the monovalent cation channel, transient receptor potential melastatin 4 (TRPM4), is involved in the cell death process of oncosis. Potential involvement of TRPM4 in oncosis is suggested by the fact that the two principal regulators of TRPM4, intracellular ATP and Ca2+, are both altered during necrosis in the direction that causes TRPM4 channel opening. Under physiological conditions, activation of TRPM4 promotes Na+ influx and cell depolarization. Under pathological conditions, unchecked activation of TRPM4 leads to Na+ overload, cell volume increase, blebbing and cell membrane rupture, the latter constituting the irreversible end stage of necrosis. Emerging data indicate that TRPM4 plays a crucial role as end executioner in the accidental necrotic death of ATP-depleted or redox-challenged endothelial and epithelial cells, both in vitro and in vivo. Future studies will be needed to determine whether TRPM4 also plays a role in regulated necrosis and apoptosis.
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Affiliation(s)
- J Marc Simard
- Department of Neurosurgery, University of Maryland School of Medicine, 22 S. Greene Street, Baltimore, MD 21201-1595, USA.
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Miranti CK. Controlling cell surface dynamics and signaling: how CD82/KAI1 suppresses metastasis. Cell Signal 2008; 21:196-211. [PMID: 18822372 DOI: 10.1016/j.cellsig.2008.08.023] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2008] [Accepted: 08/24/2008] [Indexed: 12/29/2022]
Abstract
The recent identification of metastasis suppressor genes, uniquely responsible for negatively controlling cancer metastasis, are providing inroads into the molecular machinery involved in metastasis. While the normal function of a few of these genes is known; the molecular events associated with their loss that promotes tumor metastasis is largely not understood. KAI1/CD82, whose loss is associated with a wide variety of metastatic cancers, belongs to the tetraspanin family. Despite intense scrutiny, many aspects of how CD82 specifically functions as a metastasis suppressor and its role in normal biology remain to be determined. This review will focus on the molecular events associated with CD82 loss, the potential impact on signaling pathways that regulate cellular processes associated with metastasis, and its relationship with other metastasis suppressor genes.
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Affiliation(s)
- C K Miranti
- Laboratory of Integrin Signaling, Van Andel Research Institute, 333 Bostwick Ave NE, Grand Rapids, MI 49503, United States.
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