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Handy DE, Loscalzo J. The role of glutathione peroxidase-1 in health and disease. Free Radic Biol Med 2022; 188:146-161. [PMID: 35691509 PMCID: PMC9586416 DOI: 10.1016/j.freeradbiomed.2022.06.004] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/01/2022] [Accepted: 06/03/2022] [Indexed: 02/06/2023]
Abstract
Glutathione peroxidase 1 (GPx1) is an important cellular antioxidant enzyme that is found in the cytoplasm and mitochondria of mammalian cells. Like most selenoenzymes, it has a single redox-sensitive selenocysteine amino acid that is important for the enzymatic reduction of hydrogen peroxide and soluble lipid hydroperoxides. Glutathione provides the source of reducing equivalents for its function. As an antioxidant enzyme, GPx1 modulates the balance between necessary and harmful levels of reactive oxygen species. In this review, we discuss how selenium availability and modifiers of selenocysteine incorporation alter GPx1 expression to promote disease states. We review the role of GPx1 in cardiovascular and metabolic health, provide examples of how GPx1 modulates stroke and provides neuroprotection, and consider how GPx1 may contribute to cancer risk. Overall, GPx1 is protective against the development and progression of many chronic diseases; however, there are some situations in which increased expression of GPx1 may promote cellular dysfunction and disease owing to its removal of essential reactive oxygen species.
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Affiliation(s)
- Diane E Handy
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA.
| | - Joseph Loscalzo
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA.
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Mehringer J, Navarro JA, Touraud D, Schneuwly S, Kunz W. Phosphorylated resveratrol as a protein aggregation suppressor in vitro and in vivo. RSC Chem Biol 2022; 3:250-260. [PMID: 35360889 PMCID: PMC8826510 DOI: 10.1039/d1cb00220a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 12/26/2021] [Indexed: 01/16/2023] Open
Abstract
The stability of proteins in solution poses a great challenge for both technical applications and molecular biology, including neurodegenerative diseases. In this work, a phosphorylated resveratrol material was examined for its anti-aggregation properties in vitro and in vivo. Here, an anti-fibrillation effect could be measured for amyloid beta and human insulin in vitro and general anti-aggregation properties for crude chicken egg white in solution. Using a drosophila fly model for the overexpression of amyloid beta protein, changes in physiological protein aggregation and improved locomotor abilities could be observed in the presence of dietary phosphorylated resveratrol. Phosphorylated resveratrol can prevent the aggregation of globular and intrinsically disordered proteins in vitro and in vivo.![]()
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Affiliation(s)
- Johannes Mehringer
- Institute of Physical and Theoretical Chemistry, University of Regensburg, Germany
| | | | - Didier Touraud
- Institute of Physical and Theoretical Chemistry, University of Regensburg, Germany
| | | | - Werner Kunz
- Institute of Physical and Theoretical Chemistry, University of Regensburg, Germany
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Delmas D, Cornebise C, Courtaut F, Xiao J, Aires V. New Highlights of Resveratrol: A Review of Properties against Ocular Diseases. Int J Mol Sci 2021; 22:1295. [PMID: 33525499 PMCID: PMC7865717 DOI: 10.3390/ijms22031295] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/22/2021] [Accepted: 01/24/2021] [Indexed: 02/06/2023] Open
Abstract
Eye diseases are currently a major public health concern due to the growing number of cases resulting from both an aging of populations and exogenous factors linked to our lifestyles. Thus, many treatments including surgical pharmacological approaches have emerged, and special attention has been paid to prevention, where diet plays a preponderant role. Recently, potential antioxidants such as resveratrol have received much attention as potential tools against various ocular diseases. In this review, we focus on the mechanisms of resveratrol against ocular diseases, in particular age-related macular degeneration, glaucoma, cataract, diabetic retinopathy, and vitreoretinopathy. We analyze, in relation to the different steps of each disease, the resveratrol properties at multiple levels, such as cellular and molecular signaling as well as physiological effects. We show and discuss the relationship to reactive oxygen species, the regulation of inflammatory process, and how resveratrol can prevent ocular diseases through a potential epigenetic action by the activation of sirtuin-1. Lastly, various new forms of resveratrol delivery are emerging at the same time as some clinical trials are raising more questions about the future of resveratrol as a potential tool for prevention or in therapeutic strategies against ocular diseases. More preclinical studies are required to provide further insights into RSV's potential adjuvant activity.
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Affiliation(s)
- Dominique Delmas
- Université de Bourgogne Franche-Comté, F-21000 Dijon, France; (C.C.); (F.C.); (V.A.)
- INSERM Research Center U1231, Cancer and Adaptive Immune Response Team, Bioactive Molecules and Health Research Group, F-21000 Dijon, France
- Centre Anticancéreux Georges François Leclerc, F-21000 Dijon, France
| | - Clarisse Cornebise
- Université de Bourgogne Franche-Comté, F-21000 Dijon, France; (C.C.); (F.C.); (V.A.)
- INSERM Research Center U1231, Cancer and Adaptive Immune Response Team, Bioactive Molecules and Health Research Group, F-21000 Dijon, France
| | - Flavie Courtaut
- Université de Bourgogne Franche-Comté, F-21000 Dijon, France; (C.C.); (F.C.); (V.A.)
- INSERM Research Center U1231, Cancer and Adaptive Immune Response Team, Bioactive Molecules and Health Research Group, F-21000 Dijon, France
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, E-32004 Ourense, Spain;
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
| | - Virginie Aires
- Université de Bourgogne Franche-Comté, F-21000 Dijon, France; (C.C.); (F.C.); (V.A.)
- INSERM Research Center U1231, Cancer and Adaptive Immune Response Team, Bioactive Molecules and Health Research Group, F-21000 Dijon, France
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Al-Saleh F, Khashab F, Fadel F, Al-Kandari N, Al-Maghrebi M. Inhibition of NADPH oxidase alleviates germ cell apoptosis and ER stress during testicular ischemia reperfusion injury. Saudi J Biol Sci 2020; 27:2174-2184. [PMID: 32714044 PMCID: PMC7376125 DOI: 10.1016/j.sjbs.2020.04.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/26/2020] [Accepted: 04/13/2020] [Indexed: 12/18/2022] Open
Abstract
Testicular torsion and detorsion (TTD) is a serious urological condition affecting young males that is underlined by an ischemia reperfusion injury (tIRI) to the testis as the pathophysiological mechanism. During tIRI, uncontrolled production of oxygen reactive species (ROS) causes DNA damage leading to germ cell apoptosis (GCA). The aim of the study is to explore whether inhibition of NADPH oxidase (NOX), a major source of intracellular ROS, will prevent tIRI-induced GCA and its association with endoplasmic reticulum (ER) stress. Sprague-Dawley rats (n = 36) were divided into three groups: sham, tIRI only and tIRI treated with apocynin (a NOX inhibitor). Rats undergoing tIRI endured an ischemic injury for 1 h followed by 4 h of reperfusion. Spermatogenic damage was evaluated histologically, while cellular damages were assessed using real time PCR, immunofluorescence staining, Western blot and biochemical assays. Disrupted spermatogenesis was associated with increased lipid and protein peroxidation and decreased antioxidant activity of the enzyme superoxide dismutase (SOD) as a result of tIRI. In addition, increased DNA double strand breaks and formation of 8-OHdG adducts associated with increased phosphorylation of the DNA damage response (DDR) protein H2AX. The ASK1/JNK apoptosis signaling pathway was also activated in response to tIRI. Finally, increased immuno-expression of the unfolded protein response (UPR) downstream targets: GRP78, eIF2-α1, CHOP and caspase 12 supported the presence of ER stress. Inhibition of NOX by apocynin protected against tIRI-induced GCA and ER stress. In conclusion, NOX inhibition minimized tIRI-induced intracellular oxidative damages leading to GCA and ER stress.
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Key Words
- 8-OHdG, 8-hydroxy-2′-deoxyguanosine
- ANOVA, analysis of variance
- ASK1, apoptosis signaling kinase 1
- ATF, activating transcription factor
- ATM, ataxia telangiectasia mutated
- BSA, bovine serum albumin
- BTB, blood-testis barrier
- CHOP, CCAAT-enhancer-binding protein homologous protein
- Chk, checkpoint kinase
- DAPI, diamidino phenylindole
- DDR, DNA damage response
- DMSO, dimethyl sulfoxide
- DNA, deoxyribonucleic acid
- ECL, electrochemiluminescence
- ELISA, enzyme-linked immunosorbent assay
- ER stress
- ER, endoplasmic reticulum
- GCA, germ cell apoptosis
- GRP78, glucose-related protein 78
- Germ cell apoptosis
- H&E, hematoxylin and eosin
- H2AX, histone variant
- H2O2, hydrogen peroxide
- IAP, inhibitors of apoptosis
- IF, immunofluorescence
- IRE1, inositol requiring kinase 1
- JNK, c-Jun N-terminal Kinase
- MDA, malondialdehyde
- NADP, nicotinamide adenine dinucleotide phosphate
- NADPH oxidase
- NOX, NADPH oxidase
- O2, molecular oxygen
- O2−, superoxide anion
- OS, oxidative stress
- Oxidative stress
- PARP, poly ADP-ribose polymerase
- PCC, protein carbonyl content
- PCR, polymerase chain reaction
- PERK, pancreatic ER kinase
- PVDF, polyvinylidene difluoride
- RIPA, radioimmunoprecipitation assay
- RNA, ribonucleic acid
- ROS, reactive oxygen species
- RT, reverse transcription
- SD, standard deviation
- SDS-PAGE, sodium dodecyl sulfate polyacrylamide gel electrophoresis
- SOD, superoxide dismutase
- ST, seminiferous tubule
- TOS, testicular oxidative stress
- TRAF-2, tumor-necrosis-factor receptor-associated factor 2
- TUNEL, terminal deoxynucleotidyl transferase dUTP nick end labeling
- Testicular ischemia Reperfusion Injury
- UPR, unfolded protein response
- cDNA, complementary DNA
- eIF2α1, eukaryotic initiation factor 2α1
- gDNA, genomic DNA
- i.p., intraperitoneal
- kDa, kilodalton
- mRNA, messenger ribonucleic acid
- p-, phosphorylated
- phox, phagocyte oxidase
- γ-H2AX, 139 serine-phosphorylated histone variant
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Affiliation(s)
- Farah Al-Saleh
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
| | - Farah Khashab
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
| | - Fatemah Fadel
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
| | - Nora Al-Kandari
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
| | - May Al-Maghrebi
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
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Liu K, Jin M, Xiao L, Liu H, Wei S. Distinct prognostic values of mRNA expression of glutathione peroxidases in non-small cell lung cancer. Cancer Manag Res 2018; 10:2997-3005. [PMID: 30214294 PMCID: PMC6118261 DOI: 10.2147/cmar.s163432] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Introduction Glutathione peroxidases (GPxs) constitutes an enzyme family which has the ability to reduce free hydrogen peroxide to water and lipid hydroperoxides to their corresponding alcohols, and its main biological roles are to protect organisms from oxidative stress-induced damage. GPxs include eight members in different tissues of the body, and they play essential roles in carcinogenesis. However, the prognostic value of individual GPx in non-small cell lung cancer (NSCLC) remains elusive. Materials and methods In the current study, we investigated the prognostic value of GPxs in NSCLC patients through the “Kaplan–Meier plotter” database, wherein updated gene expression data and survival information from a total of 1,926 NSCLC patients are included. Results High expression of GPx1 mRNA was correlated with worse overall survival (OS) in adenocarcinoma patients. High expression of GPx2 mRNA was correlated with worse OS for all NSCLC patients. In contrast, high expression of GPx3 mRNA was associated with better OS for all NSCLC patients. High expression of GPx4 mRNA was significantly correlated with worsening adenocarcinoma in these patients. GPx5 mRNA high expression correlated with worsening OS for all NSCLC patients. Discussion The current findings of prognostic values of individual mRNA expression of GPxs in NSCLC patients indicate some GPxs may have prognostic value in NSCLC patients, and this needs further study.
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Affiliation(s)
- Kui Liu
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China, ;
| | - Meng Jin
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China, ;
| | - Li Xiao
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China, ;
| | - Huiguo Liu
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China, ;
| | - Shuang Wei
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China, ;
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Helmig S, Walter D, Putzier J, Maxeiner H, Wenzel S, Schneider J. Oxidative and cytotoxic stress induced by inorganic granular and fibrous particles. Mol Med Rep 2018; 17:8518-8529. [PMID: 29693699 DOI: 10.3892/mmr.2018.8923] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 02/27/2018] [Indexed: 11/06/2022] Open
Abstract
The hazards of granular and fibrous particles have been associated with the generation of reactive oxygen species (ROS), which in turn is often associated with physicochemical properties exhibited by these particles. In the present study, the ability of various types of fibrous and granular dusts to generate oxidative stress, and their cytotoxicity, was investigated. Biopersistent granular dusts employed in the present study included micro‑ and nanosized titanium dioxide with rutile or anatase crystal structure modifications. Additionally, glass fibres, chrysotile and crocidolite asbestos representative of fibrous dust were selected. Detailed characterisation of particles was performed using scanning electron microscopy, and the effect of exposure to these particles on cell viability and intracellular ROS generation was assessed by PrestoBlue and 2',7'‑dichlorofluorescein assays, respectively. A549 human lung epithelial adenocarcinoma cells were exposed to increasing concentrations (0.1‑10 µg/cm2) of particles and fibres for 24 h. Subsequently, the gene expression of X‑linked inhibitor of apoptosis (XIAP), superoxide dismutase (SOD)1 and SOD2 were analysed by reverse transcription‑quantitative polymerase chain reaction. All investigated granular particles induce ROS production in A549 lung carcinoma cells within 24 h. Hematite increased ROS production in a dose‑dependent manner. A concentration of >1 µg/cm2 TiO2 na with its disordered surface, demonstrated the greatest ability to generate ROS. Therefore, the crystalline surface structure of the particle may be considered as a determinant of the extent of ROS induction by the particle. Fibrous particle compared with granular particles were associated with a lower ability to generate ROS. Glass fibres did not significantly increase ROS production in A549 cells, but elevated gene expression of SOD2 was observed. The results demonstrated that in general, the ability of particles to generate ROS depends on their number and crystal phase. Therefore, the present study helps to understand the cause of particle toxicity.
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Affiliation(s)
- Simone Helmig
- Institute and Outpatient Clinic for Occupational and Social Medicine, Justus‑Liebig University, D‑35392 Giessen, Germany
| | - Dirk Walter
- Institute and Outpatient Clinic for Occupational and Social Medicine, Justus‑Liebig University, D‑35392 Giessen, Germany
| | - Julia Putzier
- Institute and Outpatient Clinic for Occupational and Social Medicine, Justus‑Liebig University, D‑35392 Giessen, Germany
| | - Hagen Maxeiner
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Giessen and Marburg, Campus Giessen, D‑35392 Giessen, Germany
| | - Sibylle Wenzel
- Institute and Outpatient Clinic for Occupational and Social Medicine, Justus‑Liebig University, D‑35392 Giessen, Germany
| | - Joachim Schneider
- Institute and Outpatient Clinic for Occupational and Social Medicine, Justus‑Liebig University, D‑35392 Giessen, Germany
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Yang Q, Xu E, Dai J, Liu B, Han Z, Wu J, Zhang S, Peng B, Zhang Y, Jiang Y. A novel long noncoding RNA AK001796 acts as an oncogene and is involved in cell growth inhibition by resveratrol in lung cancer. Toxicol Appl Pharmacol 2015; 285:79-88. [PMID: 25888808 DOI: 10.1016/j.taap.2015.04.003] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 04/01/2015] [Accepted: 04/03/2015] [Indexed: 12/31/2022]
Abstract
Lung cancer is the most common form of cancer throughout the world. The specific targeting of long noncoding RNAs (lncRNAs) by resveratrol opened a new avenue for cancer chemoprevention. In this study, we found that 21 lncRNAs were upregulated and 19 lncRNAs were downregulated in lung cancer A549 cells with 25 μmol/L resveratrol treatment determined by microarray analysis. AK001796, the lncRNA with the most clearly altered expression, was overexpressed in lung cancer tissues and cell lines, but its expression was downregulated in resveratrol-treated lung cancer cells. By monitoring cell proliferation and growth in vitro and tumor growth in vivo, we observed a significant reduction in cell viability in lung cancer cells and a slow growth in the tumorigenesis following AK001796 knockdown. We also found that AK001796 knockdown caused a cell-cycle arrest, with significant increases in the percentage of cells in G0/G1 in lung cancer cells. By using cell cycle pathway-specific PCR arrays, we detected changes in a number of cell cycle-related genes related to lncRNA AK001796 knockdown. We further investigated whether AK001796 participated in the anticancer effect of resveratrol and the results showed that reduced lncRNA AK001796 level potentially impaired the inhibitory effect of resveratrol on cell proliferation. To our knowledge, this is the first study to report the changes in an lncRNA expression profile induced by resveratrol in lung cancer.
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Affiliation(s)
- Qiaoyuan Yang
- Institute for Chemical Carcinogenesis, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou 510182, PR China
| | - Enwu Xu
- Department of Thoracic Surgery, General Hospital of Guangzhou Military Command of Chinese People's Liberation Army, Guangzhou 510010, PR China
| | - Jiabin Dai
- Institute for Chemical Carcinogenesis, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou 510182, PR China
| | - Binbin Liu
- Institute for Chemical Carcinogenesis, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou 510182, PR China
| | - Zhiyuan Han
- Institute for Chemical Carcinogenesis, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou 510182, PR China
| | - Jianjun Wu
- Institute for Chemical Carcinogenesis, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou 510182, PR China
| | - Shaozhu Zhang
- Institute for Chemical Carcinogenesis, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou 510182, PR China
| | - Baoying Peng
- Institute for Chemical Carcinogenesis, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou 510182, PR China
| | - Yajie Zhang
- Department of Pathology, Guangzhou Medical University, Guangzhou 510182, PR China
| | - Yiguo Jiang
- Institute for Chemical Carcinogenesis, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou 510182, PR China.
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Significance of glutathione peroxidase 1 and caudal-related homeodomain transcription factor in human gastric adenocarcinoma. Gastroenterol Res Pract 2013; 2013:380193. [PMID: 24228025 PMCID: PMC3818848 DOI: 10.1155/2013/380193] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 09/02/2013] [Indexed: 12/12/2022] Open
Abstract
Aim. To investigate the expressions of glutathione peroxidase 1 (GPX1) and caudal-related homeodomain transcription factor (CDX2) in GAC and their correlation with clinicopathological features and tumor cell proliferation. Methods. The expressions of GPX1, CDX2, and Ki67 were immunohistochemically evaluated in 172 GAC specimens. The association of GPX1 and CDX2 with patient's clinicopathological features and Ki67 positive rate was analyzed statistically. Results. In 172 cases of GAC, the expression of GPX1 was weaker than that in adjacent normal mucosa, and the expression of CDX2 was higher than that in adjacent normal mucosa. High expression GPX1 strong-expression was associated with differentiation, Lauren type, WHO type and extensive lymph node metastasis of GAC. High expression of CDX2 was associated with differentiation, Lauren type, WHO type, extensive lymph node metastasis, and TNM of GAC. Survival curves showed that expressions of GPX1 and CDX2 were factors of good outcome (P = .03 and .02, resp.). According to multivariate analysis, only lymph node metastasis, TNM stage, and CDX2 expression were independently associated with survival. In addition, a strong association of GPX1 expression was noted with Ki67 and CDX2. Conclusions. The expression of GPX1 and CDX2 may play a role in the carcinogenesis, differentiation, and progression of GAC, and CDX2 may be an independent prognostic factor.
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Cerqueira AM, Khaper N, Lees SJ, Ulanova M. The antioxidant resveratrol down-regulates inflammation in an in-vitro model of Pseudomonas aeruginosa infection of lung epithelial cells. Can J Physiol Pharmacol 2013; 91:248-55. [PMID: 23537439 DOI: 10.1139/cjpp-2012-0268] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Pseudomonas aeruginosa is a Gram-negative opportunistic pathogen that can cause severe pulmonary infection in immunocompromized individuals. During the infectious process, P. aeruginosa provokes a potent inflammatory response and induces the release of reactive oxygen species (ROS). Cells undergo oxidative stress when cellular antioxidants are unable to effectively scavenge and detoxify ROS, resulting in lung damage. Resveratrol (3,5,4'-trihydroxystilbene) is a natural polyphenolic compound with recognized antioxidant effects. We hypothesized that owing to its antioxidant activities, resveratrol can attenuate an inflammatory response in P. aeruginosa-infected cells. Lung epithelial A549 cells were pre-treated with 100 μmol/L of resveratrol for 5 h, followed by infection with P. aeruginosa. Intracellular ROS generation was used as an indicator of P. aeruginosa-induced oxidative stress, and cell surface expression of Fas receptor and activation of caspases-3 and -7 as indicators of apoptosis. We also measured the surface expression of intercellular adhesion molecule (ICAM)-1 and enzymes related to inflammation and redox signaling. Resveratrol significantly reduced ROS generation, ICAM-1, and human beta-defensin-2 expression, as well as the markers of apoptosis in A549 cells infected with P. aeruginosa, and up-regulated glutathione peroxidase, suggesting its potential therapeutic role in protecting the lungs against the deleterious effects of P. aeruginosa infection.
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Wu PF, Xie N, Zhang JJ, Guan XL, Zhou J, Long LH, Li YL, Xiong QJ, Zeng JH, Wang F, Chen JG. Resveratrol preconditioning increases methionine sulfoxide reductases A expression and enhances resistance of human neuroblastoma cells to neurotoxins. J Nutr Biochem 2012; 24:1070-7. [PMID: 23022493 DOI: 10.1016/j.jnutbio.2012.08.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2011] [Revised: 08/09/2012] [Accepted: 08/13/2012] [Indexed: 01/25/2023]
Abstract
Methionine sulfoxide reductases A (MsrA) has been postulated to act as a catalytic antioxidant system involved in the protection of oxidative stress-induced cell injury. Recently, attention has turned to MsrA in coupling with the pathology of Parkinson's disease, which is closely related to neurotoxins that cause dopaminergic neuron degeneration. Here, we firstly provided evidence that pretreatment with a natural polyphenol resveratrol (RSV) up-regulated the expression of MsrA in human neuroblastoma SH-SY5Y cells. It was also observed that the expression and nuclear translocation of forkhead box group O 3a (FOXO3a), a transcription factor that activates the human MsrA promoter, increased after RSV pretreatment. Nicotinamide , an inhibitor of silent information regulator 1 (SIRT1), prevented RSV-induced elevation of FOXO3a and MsrA expression, indicating that the effect of RSV was mediated by a SIRT1-dependent pathway. RSV preconditioning increased methionine sulfoxide(MetO)-reducing activity in SH-SY5Y cells and enhanced their resistance to neurotoxins, including chloramine-T and 1-methyl-4-phenyl-pyridinium. In addition, the enhancement of cell resistance to neurotoxins caused by RSV preconditioning can be largely prevented by MsrA inhibitor dimethyl sulfoxide. Our findings suggest that treatment with polyphenols such as RSV can be used as a potential regulatory strategy for MsrA expression and function.
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Affiliation(s)
- Peng-Fei Wu
- Department of Pharmacology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
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De Groote D, Van Belleghem K, Devière J, Van Brussel W, Mukaneza A, Amininejad L. Effect of the intake of resveratrol, resveratrol phosphate, and catechin-rich grape seed extract on markers of oxidative stress and gene expression in adult obese subjects. ANNALS OF NUTRITION AND METABOLISM 2012; 61:15-24. [PMID: 22776850 DOI: 10.1159/000338634] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2012] [Accepted: 04/07/2012] [Indexed: 12/19/2022]
Abstract
BACKGROUND The preventive effect of resveratrol (RES) on the development of human diseases has been verified by numerous epidemiological studies. Resveratrol triphosphate (RTP) is a stable derivative of RES in which phosphate groups protect the phenolic groups. AIMS This study compared the effect of RTP on biochemical and molecular markers of oxidative stress to equimolar doses (0.66 mmol) of RES and catechin-rich grape seed extract (CGSE) in a model of oxidative and metabolic stress associated with obesity in humans. METHODS Thirty-two obese subjects (BMI between 30 and 40) were enrolled. They all received 1 capsule of placebo/day for 28 days before being randomly devised into three arms receiving 1 capsule/day of RES, CGSE, or RTP during the following consecutive 28 days. Blood samples were collected at baseline, after the end of placebo intake, and after the end of the investigational product intake. Biochemical parameters of oxidative stress and blood expression of 200 redox-related genes were determined at each time point. RESULTS RTP and CGSE showed better antioxidant activities compared to RES and induced important modulations of gene expression. CONCLUSION The results suggest that RTP and CGSE could contribute to a significant reduction of oxidative stress in obese subjects.
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Denissova NG, Nasello CM, Yeung PL, Tischfield JA, Brenneman MA. Resveratrol protects mouse embryonic stem cells from ionizing radiation by accelerating recovery from DNA strand breakage. Carcinogenesis 2011; 33:149-55. [PMID: 22049530 DOI: 10.1093/carcin/bgr236] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Resveratrol has elicited many provocative anticancer effects in laboratory animals and cultured cells, including reduced levels of oxidative DNA damage, inhibition of tumor initiation and progression and induction of apoptosis in tumor cells. Use of resveratrol as a cancer-preventive agent in humans will require that its anticancer effects not be accompanied by damage to normal tissue stem or progenitor cells. In mouse embryonic stem cells (mESC) or early mouse embryos exposed to ethanol, resveratrol has been shown to suppress apoptosis and promote survival. However, in cells exposed to genotoxic stress, survival may come at the expense of genome stability. To learn whether resveratrol can protect stem cells from DNA damage and to study its effects on genomic integrity, we exposed mESC pretreated with resveratrol to ionizing radiation (IR). Forty-eight hours pretreatment with a comparatively low concentration of resveratrol (10 μM) improved survival of mESC >2-fold after exposure to 5 Gy of X-rays. Cells pretreated with resveratrol sustained the same levels of reactive oxygen species and DNA strand breakage after IR as mock-treated controls, but repaired DNA damage more rapidly and resumed cell division sooner. Frequencies of IR-induced mutation at a chromosomal reporter locus were not increased in cells pretreated with resveratrol as compared with controls, indicating that resveratrol can improve viability in mESC after DNA damage without compromising genomic integrity.
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Affiliation(s)
- Natalia G Denissova
- Department of Genetics and Human Genetics Institute of New Jersey, Rutgers University, 145 Bevier Road, Piscataway, NJ 08854, USA
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Robb EL, Stuart JA. Resveratrol interacts with estrogen receptor-β to inhibit cell replicative growth and enhance stress resistance by upregulating mitochondrial superoxide dismutase. Free Radic Biol Med 2011; 50:821-31. [PMID: 21215799 DOI: 10.1016/j.freeradbiomed.2010.12.038] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Revised: 11/09/2010] [Accepted: 12/29/2010] [Indexed: 01/09/2023]
Abstract
trans-Resveratrol (RES) is one of a number of dietary polyphenols that have been reported to beneficially affect human physiology. Although numerous studies have attributed this to direct interactions between RES and histone deacetylases, recently the reliability of these results has been questioned. We have shown that the mitochondrial superoxide dismutase (MnSOD) is substantially upregulated in RES-treated cells. Here we explore the mechanisms underlying this, showing that two of RES's more interesting effects, inhibition of replication and enhancement of stress resistance, are mediated by MnSOD upregulation in three cell lines: MRC5 human lung fibroblasts, C2C12 mouse myoblasts, and SHSY5Y human neuroblastoma cells. When small interfering RNA was used to prevent induction of MnSOD expression, the effects of RES on population doubling time of cells in culture, and resistance to cell death after exposure to hydrogen peroxide or paraquat, were abolished. Interestingly, the RES-induced upregulation of MnSOD levels could be prevented by the estrogen receptor antagonist ICI 182780. RES's effects also could be reproduced using estradiol or the estrogen receptor-β agonist diarylpropionitrile, but not using the estrogen receptor-α agonist propylpyrazole triol. Thus, we suggest that RES interacts with estrogen receptor-β to induce the upregulation of MnSOD, which affects cell cycle progression and stress resistance. These results have important implications for our understanding of RES's biological activities and potential applications to human health.
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Affiliation(s)
- Ellen L Robb
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
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Potgieter M, Pretorius E, Van der Merwe C, Beukes M, Vieira W, Auer R, Auer M, Meyer S. Histological assessment of SJL/J mice treated with the antioxidants coenzyme Q10 and resveratrol. Micron 2011; 42:275-82. [DOI: 10.1016/j.micron.2010.10.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2010] [Revised: 10/01/2010] [Accepted: 10/03/2010] [Indexed: 01/12/2023]
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Robb EL, Stuart JA. trans-Resveratrol as a neuroprotectant. Molecules 2010; 15:1196-212. [PMID: 20335973 PMCID: PMC6257315 DOI: 10.3390/molecules15031196] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2009] [Revised: 02/17/2010] [Accepted: 03/02/2010] [Indexed: 11/16/2022] Open
Abstract
Epidemiological evidence indicates that nutritionally-derived polyphenols such as resveratrol (RES) have neuroprotective properties. Administration of RES to culture media protects a wide variety of neuronal cell types from stress-induced death. Dietary supplementation of RES can ameliorate neuronal damage and death resulting from both acute and chronic stresses in rodents. The specific molecular mechanisms by which RES acts at the cellular level remain incompletely understood. However, many experimental data indicate that RES reduces or prevents the occurrence of oxidative damage. Here we discuss possible mechanisms by which RES might exert protection against oxidative damage and cell death. Evidence suggesting that RES’s chemical antioxidant potential is not sufficient explanation for its effects is discussed. Putative biological activities, including interactions with estrogen receptors and sirtuins are critically discussed. We provide a synthesis of how RES’s phytoestrogenic properties might mediate the neuronal stress resistance underlying its observed neuroprotective properties.
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Affiliation(s)
- Ellen L Robb
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada.
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Zhang H, Shih A, Rinna A, Forman HJ. Exacerbation of tobacco smoke mediated apoptosis by resveratrol: an unexpected consequence of its antioxidant action. Int J Biochem Cell Biol 2010; 43:1059-64. [PMID: 20060927 DOI: 10.1016/j.biocel.2009.12.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2009] [Revised: 11/05/2009] [Accepted: 12/28/2009] [Indexed: 01/23/2023]
Abstract
Resveratrol, a polyphenolic compound rich in grapes and red wine, has been reported to protect cells against oxidative damage and cell death by increasing cellular antioxidant/detoxification capacity. Cigarette smoking is a major risk factor for respiratory diseases and oxidative damage is implicated in its pathogenesis. Here we investigated the enhancement of antioxidant capacity by resveratrol and its potential protection against cell death caused by cigarette smoke in human bronchial epithelial cells (HBE1). At concentrations that did not affect cell growth, resveratrol activated Nrf2 signaling and increased the expression of NAD(P)H:quinone reductase-1, heme oxygenase-1, and the catalytic subunit of glutamate cysteine ligase. Surprisingly, instead of protecting against cell death, resveratrol significantly enhanced cigarette smoke extract-induced apoptosis. To define the underlying mechanism, the effect of resveratrol on caspase activity was examined and it was found that resveratrol significantly enhanced cigarette smoke-stimulated caspase activity. In conclusion, results from this study suggest that although resveratrol increased antioxidant and detoxification capacity, it increased rather than protected against cigarette smoke-induced apoptosis.
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Affiliation(s)
- Hongqiao Zhang
- School of Natural Sciences, University of California at Merced, Merced, CA 95343, United States.
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Fernandes AP, Capitanio A, Selenius M, Brodin O, Rundlöf AK, Björnstedt M. Expression profiles of thioredoxin family proteins in human lung cancer tissue: correlation with proliferation and differentiation. Histopathology 2009; 55:313-20. [DOI: 10.1111/j.1365-2559.2009.03381.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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McCrann DJ, Yang D, Chen H, Carroll S, Ravid K. Upregulation of Nox4 in the aging vasculature and its association with smooth muscle cell polyploidy. Cell Cycle 2009; 8:902-8. [PMID: 19221493 DOI: 10.4161/cc.8.6.7900] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Our recent reports indicated that polyploidization of aortic vascular smooth muscle cells (VSMC) serves as a biomarker for aging, and that the polyploid state is linked to a higher incidence of senescence in vivo. Here, we found that NADPH oxidase 4 (Nox4) expression is augmented in VSMC from aortas of old rats and that Nox4 levels are increased in polyploid VSMC in comparison to diploid cells in vivo. Seeking to determine if Nox4 upregulation plays a causal role in the accumulation of polyploid cells, we performed ploidy analysis on primary VSMC transduced with Nox4 adenovirus. We observed a consistent accumulation of polyploid cells and a concomitant decrease in the percentage of diploid cells in Nox4 overexpressing cells in comparison to controls or to cells overexpressing dominant negative Nox4. Further exploration of this phenomenon in VSMC cultures identified a Nox4-induced decrease in the chromosome passenger protein, survivin, whose absence and mislocalization during polyploidization was previously shown to induce VSMC polyploidy. Taken together, our study is the first to show increased Nox4 levels in VSMC during aging, and to demonstrate its role in induction of polyploidy in this lineage.
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Affiliation(s)
- Donald J McCrann
- Department of Biochemistry and Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts, USA
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Dekkers DHW, Bezstarosti K, Gurusamy N, Luijk K, Verhoeven AJM, Rijkers EJ, Demmers JA, Lamers JMJ, Maulik N, Das DK. Identification by a differential proteomic approach of the induced stress and redox proteins by resveratrol in the normal and diabetic rat heart. J Cell Mol Med 2008; 12:1677-89. [PMID: 18194459 PMCID: PMC3918084 DOI: 10.1111/j.1582-4934.2008.00227.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
A recent study showed cardioprotective effects of resveratrol on the diabetic heart. The present study sought to compare the protein profiles of the normal versus diabetic hearts after resveratrol treatment using differential proteomic analysis. Rats were randomly divided into two groups: control and diabetic. Both groups of rats were fed resveratrol (2.5 mg/kg/day) for 7 days, and then the rats were sacrificed, hearts were isolated and cytoplasmic fraction from left ventricular tissue was collected to carry out proteomic profiling as well as immunoblotting. Compared to normal hearts, diabetic hearts show increased myocardial infarct size and cardiomy-ocyte apoptosis upon ex vivo global ischaemia of 30 min. followed by 2 hrs of reperfusion. Resveratrol reduced infarct size and apop-totic cell death for both the groups, but the extent of infarct size and apoptosis remained higher for the diabetic group compared to the normal group. The left ventricular cytoplasmic proteins were analysed by 2D-DIGE and differentially displayed bands were further analysed by nano Liquid Chromatography-Mass Spectroscopy (LC-MS/MS). The results showed differential regulation of normal versus diabetic hearts treated with resveratrol of many proteins related to energy metabolism of which several were identified as mitochondrial proteins. Of particular interest is the increased expression of several chaperone proteins and oxidative stress and redox proteins in the diabetic group including Hsc70, HSPp6, GRP75, peroxiredoxin (Prdx)-1 and Prdx-3 whose expression was reversed by resveratrol. Western blot analysis was performed to validate the up- or down-regulation of these stress proteins. The results indicate the differential regulation by resveratrol of stress proteins in diabetic versus normal hearts, which may explain in part the beneficial effects of resveratrol in diabetic induced cardiovascular complications.
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Affiliation(s)
- D H W Dekkers
- Cardiovascular Research Center, University of Connecticut School of Medicine, Farmington, Connecticut 06030-1110, USA
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Robb EL, Page MM, Wiens BE, Stuart JA. Molecular mechanisms of oxidative stress resistance induced by resveratrol: Specific and progressive induction of MnSOD. Biochem Biophys Res Commun 2007; 367:406-12. [PMID: 18167310 DOI: 10.1016/j.bbrc.2007.12.138] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2007] [Accepted: 12/21/2007] [Indexed: 12/16/2022]
Abstract
trans-Resveratrol (3,4',5-trihydroxystilbene; RES), a polyphenol found in particularly high concentrations in red wine, has recently attracted intense interest for its potentially beneficial effects on human health. Here, we report the effects of long-term exposure to micromolar concentrations of RES on antioxidant and DNA repair enzyme activities in a human cell line (MRC-5). RES had either no effect on, or reduced the activities of glutathione peroxidase, catalase and CuZn superoxide dismutase (SOD), in treatments lasting up to 2 weeks. RES failed to induce activities of the DNA base excision repair enzymes apurinic/apyrimidinic endonuclease and DNA polymerase beta. However, it dramatically and progressively induced mitochondrial MnSOD expression and activity. Two weeks exposure to RES increased MnSOD protein level 6-fold and activity 14-fold. Thus, long-term exposure of human cells to RES results in a highly specific upregulation of MnSOD, and this may be an important mechanism by which it elicits its effects in human cells.
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Affiliation(s)
- Ellen L Robb
- Department of Biological Sciences, Brock University, 500 Glenridge Road, St. Catharines, Ont., Canada L2S 3A1
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Dong W, Gao D, Lin H, Zhang X, Li N, Li F. New insights into mechanism for the effect of resveratrol preconditioning against cerebral ischemic stroke: Possible role of matrix metalloprotease-9. Med Hypotheses 2007; 70:52-5. [PMID: 17601679 DOI: 10.1016/j.mehy.2007.04.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2007] [Accepted: 04/05/2007] [Indexed: 11/28/2022]
Abstract
Resveratrol, a natural polyphenolic compound, is found in a few edible materials and is well known for its phytoestrogenic and antioxidant properties. A growing body of in vivo and in vitro evidence indicates that resveratrol has protective effect on cerebral ischemic stroke. Here, we review the effect of resveratrol on cerebral ischemic stroke, and propose a possible mechanism. During acute phases after stroke, resveratrol preconditioning suppresses matrix metalloprotease-9 activity to ameliorate blood-brain barrier disruption, edema formation and neuronal cell death caused by ischemia and reperfusion. But during delayed phases after stroke, resveratrol preconditioning conduces to cerebral angiogenesis and brain regeneration through increasing matrix metalloprotease-9 activity and expression. Resveratrol's effect on matrix metalloprotease-9 is distinguishing in different phases because of temporal and spatial redistribution of matrix metalloprotease-9 within the cells of the neurovascular unit after cerebral ischemia. This paper also hypothesizes that resveratrol treatment after cerebral ischemia might be beneficial for cerebral angiogenesis and brain regeneration during delayed phases after stroke.
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Affiliation(s)
- Wenpeng Dong
- Institute of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Chang Le West Street, No. 15, Xi'an, Shaanxi Province 710032, PR China
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