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Owjfard M, Rahimian Z, Karimi F, Borhani-Haghighi A, Mallahzadeh A. A comprehensive review on the neuroprotective potential of resveratrol in ischemic stroke. Heliyon 2024; 10:e34121. [PMID: 39082038 PMCID: PMC11284444 DOI: 10.1016/j.heliyon.2024.e34121] [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: 10/09/2023] [Revised: 06/07/2024] [Accepted: 07/03/2024] [Indexed: 08/02/2024] Open
Abstract
Stroke is the second leading cause of death and the third leading cause of disability worldwide. Globally, 68 % of all strokes are ischemic, with 32 % being hemorrhagic. Ischemic stroke (IS) poses significant challenges globally, necessitating the development of effective therapeutic strategies. IS is among the deadliest illnesses. Major functions are played by neuroimmunity, inflammation, and oxidative stress in the multiple intricate pathways of IS. Secondary brain damage is specifically caused by the early pro-inflammatory activity that follows cerebral ischemia, which is brought on by excessive activation of local microglia and the infiltration of circulating monocytes and macrophages. Resveratrol, a natural polyphenol found in grapes and berries, has shown promise as a neuroprotective agent in IS. This review offers a comprehensive overview of resveratrol's neuroprotective role in IS, focusing on its mechanisms of action and therapeutic potential. Resveratrol exerts neuroprotective effects by activating nuclear factor erythroid 2-related factor 2 (NRF2) and sirtuin 1 (SIRT1) pathways. SIRT1 activation by resveratrol triggers the deacetylation and activation of downstream targets like peroxisome proliferator-activated receptor-gamma coactivator 1 alpha (PGC-1α) and forkhead box protein O (FOXO), regulating mitochondrial biogenesis, antioxidant defense, and cellular stress response. Consequently, resveratrol promotes cellular survival and inhibits apoptosis in IS. Moreover, resveratrol activates the NRF2 pathway, a key mediator of the cellular antioxidant response. Activation of NRF2 through resveratrol enhances the expression of antioxidant enzymes, like heme oxygenase-1 (HO-1) and NAD(P)H quinone oxidoreductase 1 (NQO1), which neutralize reactive oxygen species and mitigate oxidative stress in the ischemic brain. Combined, the activation of SIRT1 and NRF2 pathways contributes to resveratrol's neuroprotective effects by reducing oxidative stress, inflammation, and apoptosis in IS. Preclinical studies demonstrate that resveratrol improves functional outcomes, reduces infarct size, regulates cerebral blood flow and preserves neuronal integrity. Gaining a comprehensive understanding of these mechanisms holds promise for the development of targeted therapeutic interventions aimed at promoting neuronal survival and facilitating functional recovery in IS patients and to aid future studies in this matter.
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Affiliation(s)
- Maryam Owjfard
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Rahimian
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | | | - Arashk Mallahzadeh
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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2
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Jiang Y, Ma C, Guan Y, Yang W, Yu J, Shi H, Ding Z, Zhang Z. Long noncoding RNA KCNQ1OT1 aggravates cerebral infarction by regulating PTBT1/SIRT1 via miR-16-5p. J Neuropathol Exp Neurol 2024; 83:276-288. [PMID: 38324733 DOI: 10.1093/jnen/nlae005] [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: 02/09/2024] Open
Abstract
Cerebral infarction (CI) is one of the leading causes of disability and death. LncRNAs are key factors in CI progression. Herein, we studied the function of long noncoding RNA KCNQ1OT1 in CI patient plasma samples and in CI models. Quantitative real-time PCR and Western blotting tested gene and protein expressions. The interactions of KCNQ1OT1/PTBP1 and miR-16-5p were analyzed using dual-luciferase reporter and RNA immunoprecipitation assays; MTT assays measured cell viability. Cell migration and angiogenesis were tested by wound healing and tube formation assays. Pathological changes were analyzed by triphenyltetrazolium chloride and routine staining. We found that KCNQ1OT1 and PTBP1 were overexpressed and miR-16-5p was downregulated in CI patient plasma and in oxygen-glucose deprived (OGD) induced mouse brain microvascular endothelial (bEnd.3) cells. KCNQ1OT1 knockdown suppressed pro-inflammatory cytokine production and stimulated angiogenic responses in OGD-bEnd.3 cells. KCNQ1OT1 upregulated PTBP1 by sponging miR-16-5p. PTBP1 overexpression or miR-16-5p inhibition attenuated the effects of KCNQ1OT1 knockdown. PTBP1 silencing protected against OGD-bEnd.3 cell injury by enhancing SIRT1. KCNQ1OT1 silencing or miR-16-5p overexpression also alleviated ischemic injury in a mice middle cerebral artery occlusion model. Thus, KCNQ1OT1 silencing alleviates CI by regulating the miR-16-5p/PTBP1/SIRT1 pathway, providing a theoretical basis for novel therapeutic strategies targeting CI.
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Affiliation(s)
- Yuanming Jiang
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Chi Ma
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yuxiu Guan
- Department of Neurology, The Fifth Affiliated Hospital of Harbin Medical University, Daqing, Heilongjiang, China
| | - Wenqi Yang
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Jiaqi Yu
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Hanfei Shi
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Zihang Ding
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Zhuobo Zhang
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
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3
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López-Morales MA, Castelló-Ruiz M, Burguete MC, Hervás D, Pérez-Pinzón MA, Salom JB. Effect and mechanisms of resveratrol in animal models of ischemic stroke: A systematic review and Bayesian meta-analysis. J Cereb Blood Flow Metab 2023; 43:2013-2028. [PMID: 37802493 PMCID: PMC10925864 DOI: 10.1177/0271678x231206236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 08/03/2023] [Accepted: 09/20/2023] [Indexed: 10/10/2023]
Abstract
Resveratrol (RSV) holds promise as cerebroprotective treatment in cerebral ischemia. This systematic review aims to assess the effects and mechanisms of RSV in animal models of ischemic stroke. We searched Medline, Embase and Web of Science to identify 75 and 57 eligible rodent studies for qualitative and quantitative syntheses, respectively. Range of evidence met 10 of 13 STAIR criteria. Median (Q1, Q3) quality score was 7 (5, 8) on the CAMARADES 15-item checklist. Bayesian meta-analysis showed SMD estimates (95% CI) favoring RSV: infarct size (-1.72 [-2.03; -1.41]), edema size (-1.61 [-2.24; -0.98]), BBB impairment (-1.85 [-2.54; -1.19]), neurofunctional impairment (-1.60 [-1.92; -1.29]), and motor performance (1.39 [0.64; 2.08]); and less probably neuronal survival (0.63 [-1.40; 2.48]) and apoptosis (-0.96 [-2.87; 1.02]). Species (rat vs mouse) was associated to a larger benefit. Sensitivity analyses confirmed robustness of the estimates. Reduction of oxidative stress, inflammation, and apoptosis underlie these effects. Our results quantitatively state the beneficial effects of RSV on structural and functional outcomes in rodent stroke models, update the evidence on the mechanisms of action, and provide an exhaustive list of targeted signaling pathways. Current evidence highlights the need for conducting further high-quality preclinical research to better inform clinical research.
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Affiliation(s)
- Mikahela A López-Morales
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - María Castelló-Ruiz
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
- Departamento de Biología Celular, Biología Funcional y Antropología Física, Universidad de Valencia, Valencia, Spain
| | - María C Burguete
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
- Departamento de Fisiología, Universidad de Valencia, Valencia, Spain
| | - David Hervás
- Departamento de Estadística e Investigación Operativa Aplicadas y Calidad, Universitat Politècnica de València, Valencia, Spain
| | - Miguel A Pérez-Pinzón
- Peritz Scheinberg Cerebral Vascular Disease Research Laboratories, Department of Neurology, Miller School of Medicine, University of Miami, Miami, USA
| | - Juan B Salom
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
- Departamento de Fisiología, Universidad de Valencia, Valencia, Spain
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Cerebral Ischemia/Reperfusion Injury and Pharmacologic Preconditioning as a Means to Reduce Stroke-induced Inflammation and Damage. Neurochem Res 2022; 47:3598-3614. [DOI: 10.1007/s11064-022-03789-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 10/09/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022]
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5
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Zhu H, Huang J, Chen Y, Li X, Wen J, Tian M, Ren J, Zhou L, Yang Q. Resveratrol pretreatment protects neurons from oxygen-glucose deprivation/reoxygenation and ischemic injury through inhibiting ferroptosis. Biosci Biotechnol Biochem 2022; 86:704-716. [PMID: 35357412 DOI: 10.1093/bbb/zbac048] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/19/2022] [Indexed: 12/14/2022]
Abstract
Ferroptosis, a newly discovered iron-dependent cell death, is involved in brain ischemia-reperfusion injury. Iron scavengers or ferroptosis inhibitors could reduce infarct volume and improve neurological function in mice. Resveratrol has neuroprotective and neurorestorative effects. However, it is unclear whether resveratrol can play a neuroprotective role via inhibiting ferroptosis. Our study showed that resveratrol pretreatment had a similar effect with ferrostatin‑1, which inhibited neuronal ferroptosis-related changes, such as iron overload, damages of oxidation-reduction system, and destruction of mitochondrial structure, after oxygen-glucose deprivation/reoxygenation (OGD/R) and application of ferroptosis inducers. In addition, middle cerebral artery occlusion/reperfusion (MCAO/R) injury in vivo also induced ferroptosis, and resveratrol pretreatment could inhibit ferroptosis and reduce degenerative neurons, cerebral ischemic damage and infarction volume. Our results are the first to indicate that resveratrol pretreatment might inhibit ferroptosis induced by OGD/R and ferroptosis inducers in neurons, and MCAO/R in rats.
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Affiliation(s)
- Huimin Zhu
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jiagui Huang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yue Chen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xuemei Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jun Wen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Mingfen Tian
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jiangxia Ren
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Zhou
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qin Yang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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6
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Liu J, He J, Huang Y, Hu Z. Resveratrol has an Overall Neuroprotective Role in Ischemic Stroke: A Meta-Analysis in Rodents. Front Pharmacol 2022; 12:795409. [PMID: 34987407 PMCID: PMC8721173 DOI: 10.3389/fphar.2021.795409] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 12/03/2021] [Indexed: 12/16/2022] Open
Abstract
Background: Resveratrol, a natural polyphenolic phytoalexin, is broadly presented in dietary sources. Previous research has suggested its potential neuroprotective effects on ischemic stroke animal models. However, these results have been disputable. Here, we conducted a meta-analysis to comprehensively evaluate the effect of resveratrol treatment in ischemic stroke rodent models. Objective: To comprehensively evaluate the effect of resveratrol treatment in ischemic stroke rodent models. Methods: A literature search of the databases Pubmed, Embase, and Web of science identified 564 studies that were subjected to pre-defined inclusion criteria. 54 studies were included and analyzed using a random-effects model to calculate the standardized mean difference (SMD) with corresponding confidence interval (CI). Results: As compared with controls, resveratrol significantly decreased infarct volume (SMD −4.34; 95% CI −4.98 to −3.69; p < 0.001) and the neurobehavioral score (SMD −2.26; 95% CI −2.86 to −1.67; p < 0.001) in rodents with ischemic stroke. Quality assessment was performed using a 10-item checklist. Studies quality scores ranged from 3 to 8, with a mean value of 5.94. In the stratified analysis, a significant decrease of infarct volume and the neurobehavioral score was achieved in resveratrol sub-groups with a dosage of 20–50 mg/kg. In the meta-regression analysis, the impact of the delivery route on an outcome is the possible source of high heterogeneity. Conclusion: Generally, resveratrol treatment presented neuroprotective effects in ischemic stroke models. Furthermore, this study can direct future preclinical and clinical trials, with important implications for human health.
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Affiliation(s)
- Jianyang Liu
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jialin He
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yan Huang
- National Health Commission Key Laboratory of Birth Defects Research, Prevention, and Treatment, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
| | - Zhiping Hu
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, China
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Mohammadi H, Sariaslani P, Asgharzadeh S, Ghanbari A, Hezarkhani L, Shahbazi F, Mirzaeei S. Does resveratrol enhance recovery from acute ischemic stroke? A randomized, double-blinded, placebo-controlled trial. JOURNAL OF REPORTS IN PHARMACEUTICAL SCIENCES 2022. [DOI: 10.4103/jrptps.jrptps_95_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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8
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Demyanenko S, Dzreyan V, Sharifulina S. Histone Deacetylases and Their Isoform-Specific Inhibitors in Ischemic Stroke. Biomedicines 2021; 9:biomedicines9101445. [PMID: 34680562 PMCID: PMC8533589 DOI: 10.3390/biomedicines9101445] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/06/2021] [Accepted: 10/09/2021] [Indexed: 01/01/2023] Open
Abstract
Cerebral ischemia is the second leading cause of death in the world and multimodal stroke therapy is needed. The ischemic stroke generally reduces the gene expression due to suppression of acetylation of histones H3 and H4. Histone deacetylases inhibitors have been shown to be effective in protecting the brain from ischemic damage. Histone deacetylases inhibitors induce neurogenesis and angiogenesis in damaged brain areas promoting functional recovery after cerebral ischemia. However, the role of different histone deacetylases isoforms in the survival and death of brain cells after stroke is still controversial. This review aims to analyze the data on the neuroprotective activity of nonspecific and selective histone deacetylase inhibitors in ischemic stroke.
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9
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Sarkaki A, Rashidi M, Ranjbaran M, Asareh Zadegan Dezfuli A, Shabaninejad Z, Behzad E, Adelipour M. Therapeutic Effects of Resveratrol on Ischemia-Reperfusion Injury in the Nervous System. Neurochem Res 2021; 46:3085-3102. [PMID: 34365594 DOI: 10.1007/s11064-021-03412-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/25/2021] [Accepted: 07/27/2021] [Indexed: 01/07/2023]
Abstract
Resveratrol is a phenol compound produced by some plants in response to pathogens, infection, or physical injury. It is well-known that resveratrol has antioxidant and protective roles in damages potentially caused by cancer or other serious disorders. Thus, it is considered as a candidate agent for the prevention and treatment of human diseases. Evidence has confirmed other bioactive impacts of resveratrol, including cardioprotective, anti-tumorigenic, anti-inflammatory, phytoestrogenic, and neuroprotective effects. Ischemia-reperfusion (IR) can result in various disorders, comprising myocardial infarction, stroke, and peripheral vascular disease, which may continue to induce debilitating conditions and even mortality. In virtue of chronic ischemia or hypoxia, cells switch to anaerobic metabolism, giving rise to some dysfunctions in mitochondria. As the result of lactate accumulation, adenosine triphosphate levels and pH decline in cells. This condition leads cells to apoptosis, necrosis, and autophagy. However, restoring oxygen level upon reperfusion after ischemia by producing reactive oxygen species is an outcome of mitochondrial dysfunction. Considering the neuroprotective effect of resveratrol and neuronal injury that comes from IR, we focused on the mechanism(s) involved in IR injury in the nervous system and also on the functions of resveratrol in the protection, inhibition, and treatment of this injury.
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Affiliation(s)
- Alireza Sarkaki
- Department of Physiology, School of Medicine, Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mojtaba Rashidi
- Department of Biochemistry, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mina Ranjbaran
- Department of Physiology, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Aram Asareh Zadegan Dezfuli
- Department of Microbiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Zahra Shabaninejad
- Department of Nanotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ebrahim Behzad
- Neurology Department, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Maryam Adelipour
- Department of Biochemistry, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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10
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Khan H, Tiwari P, Kaur A, Singh TG. Sirtuin Acetylation and Deacetylation: a Complex Paradigm in Neurodegenerative Disease. Mol Neurobiol 2021; 58:3903-3917. [PMID: 33877561 DOI: 10.1007/s12035-021-02387-w] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/05/2021] [Indexed: 11/26/2022]
Abstract
Sirtuins are the class III of histone deacetylases that depend on nicotinamide adenine dinucleotide for their activity. Sirtuins can influence the progression of neurodegenerative disorders by switching between deacetylation and acetylation processes. Histone acetylation occurs when acetyl groups are added to lysine residues on the N-terminal part of histone proteins. Deacetylation, on the other hand, results in the removal of acetyl groups. Pharmacological modulation of sirtuin activity has been shown to influence various neurodegenerative disorders including Alzheimer's disease, Parkinson's disease, Huntington's disease, stroke, and amyotrophic lateral sclerosis. In this review, mechanistic perspective of sirtuins has been discussed in anti-inflammatory, antiapoptotic, and neuroprotective effects in various disorders. We have discussed the structure, neurobiology, and physiology of sirtuins in neurodegenerative disease. Recent preclinical and clinical studies and their outcome have also been elucidated. The aim of this review is to fill in the gaps in our understanding of sirtuins' role in histone acetylation and deacetylation in all neurodegenerative diseases. Here, we emphasized on reviewing all the studies carried out in various labs depicting the role of sirtuin modulators in neuroprotection and highlighted the ideas that can be considered for future perspectives. Taken together, sirtuins may serve as a promising therapeutic target for the treatment of neurodegenerative disorders.
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Affiliation(s)
- Heena Khan
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Palak Tiwari
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Amarjot Kaur
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
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11
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McDonald MW, Jeffers MS, Issa L, Carter A, Ripley A, Kuhl LM, Morse C, Comin CH, Jasmin BJ, Lacoste B, Corbett D. An Exercise Mimetic Approach to Reduce Poststroke Deconditioning and Enhance Stroke Recovery. Neurorehabil Neural Repair 2021; 35:471-485. [PMID: 33825581 PMCID: PMC8135250 DOI: 10.1177/15459683211005019] [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] [Indexed: 11/17/2022]
Abstract
Evidence supports early rehabilitation after stroke to limit disability. However, stroke survivors are typically sedentary and experience significant cardiovascular and muscular deconditioning. Despite growing consensus that preclinical and clinical stroke recovery research should be aligned, there have been few attempts to incorporate cardiovascular and skeletal muscle deconditioning into animal models of stroke. Here, we demonstrate in rats that a hindlimb sensorimotor cortex stroke results in both cardiovascular and skeletal muscle deconditioning and impairments in gait akin to those observed in humans. To reduce poststroke behavioral, cardiovascular, and skeletal muscle perturbations, we then used a combinatorial intervention consisting of aerobic and resistance exercise in conjunction with administration of resveratrol (RESV), a drug with exercise mimetic properties. A combination of aerobic and resistance exercise mitigated decreases in cardiovascular fitness and attenuated skeletal muscle abnormalities. RESV, beginning 24 hours poststroke, reduced acute hindlimb impairments, improved recovery in hindlimb function, increased vascular density in the perilesional cortex, and attenuated skeletal muscle fiber changes. Early RESV treatment and aerobic and resistance exercise independently provided poststroke benefits, at a time when individuals are rapidly becoming deconditioned as a result of inactivity. Although no additive effects were observed in these experiments, this approach represents a promising strategy to reduce poststroke behavioral impairments and minimize deconditioning. As such, this treatment regime has potential for enabling patients to engage in more intensive rehabilitation at an earlier time following stroke when mechanisms of neuroplasticity are most prevalent.
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Affiliation(s)
- Matthew W McDonald
- University of Ottawa, ON, Canada.,Canadian Partnership for Stroke Recovery, Ottawa, ON, Canada
| | - Matthew S Jeffers
- University of Ottawa, ON, Canada.,Canadian Partnership for Stroke Recovery, Ottawa, ON, Canada
| | | | - Anthony Carter
- Canadian Partnership for Stroke Recovery, Ottawa, ON, Canada.,Ottawa Hospital Research Institute, ON, Canada
| | | | | | | | | | | | - Baptiste Lacoste
- University of Ottawa, ON, Canada.,Canadian Partnership for Stroke Recovery, Ottawa, ON, Canada.,Ottawa Hospital Research Institute, ON, Canada.,University of Ottawa Brain and Mind Research Institute, ON, Canada
| | - Dale Corbett
- University of Ottawa, ON, Canada.,Canadian Partnership for Stroke Recovery, Ottawa, ON, Canada.,University of Ottawa Brain and Mind Research Institute, ON, Canada
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12
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Mohsenpour H, Pesce M, Patruno A, Bahrami A, Pour PM, Farzaei MH. A Review of Plant Extracts and Plant-Derived Natural Compounds in the Prevention/Treatment of Neonatal Hypoxic-Ischemic Brain Injury. Int J Mol Sci 2021; 22:E833. [PMID: 33467663 PMCID: PMC7830094 DOI: 10.3390/ijms22020833] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/05/2021] [Accepted: 01/11/2021] [Indexed: 12/13/2022] Open
Abstract
Neonatal hypoxic-ischemic (HI) brain injury is one of the major drawbacks of mortality and causes significant short/long-term neurological dysfunction in newborn infants worldwide. To date, due to multifunctional complex mechanisms of brain injury, there is no well-established effective strategy to completely provide neuroprotection. Although therapeutic hypothermia is the proven treatment for hypoxic-ischemic encephalopathy (HIE), it does not completely chang outcomes in severe forms of HIE. Therefore, there is a critical need for reviewing the effective therapeutic strategies to explore the protective agents and methods. In recent years, it is widely believed that there are neuroprotective possibilities of natural compounds extracted from plants against HIE. These natural agents with the anti-inflammatory, anti-oxidative, anti-apoptotic, and neurofunctional regulatory properties exhibit preventive or therapeutic effects against experimental neonatal HI brain damage. In this study, it was aimed to review the literature in scientific databases that investigate the neuroprotective effects of plant extracts/plant-derived compounds in experimental animal models of neonatal HI brain damage and their possible underlying molecular mechanisms of action.
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Affiliation(s)
- Hadi Mohsenpour
- Department of Pediatrics, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah 75333–67427, Iran;
| | - Mirko Pesce
- Department of Medicine and Aging Sciences, University G. d’Annunzio, 66100 Chieti, Italy
| | - Antonia Patruno
- Department of Medicine and Aging Sciences, University G. d’Annunzio, 66100 Chieti, Italy
| | - Azam Bahrami
- Medical Technology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah 67158-47141, Iran;
| | - Pardis Mohammadi Pour
- Department of Pharmacognosy, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran;
| | - Mohammad Hosein Farzaei
- Medical Technology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah 67158-47141, Iran;
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13
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Chelluboina B, Vemuganti R. Therapeutic potential of nutraceuticals to protect brain after stroke. Neurochem Int 2020; 142:104908. [PMID: 33220386 DOI: 10.1016/j.neuint.2020.104908] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 11/14/2020] [Accepted: 11/16/2020] [Indexed: 02/07/2023]
Abstract
Stroke leads to significant neuronal death and long-term neurological disability due to synergistic pathogenic mechanisms. Stroke induces a change in eating habits and in many cases, leads to undernutrition that aggravates the post-stroke pathology. Proper nutritional regimen remains a major strategy to control the modifiable risk factors for cardiovascular and cerebrovascular diseases including stroke. Studies indicate that nutraceuticals (isolated and concentrated form of high-potency natural bioactive substances present in dietary nutritional components) can act as prophylactic as well as adjuvant therapeutic agents to prevent stroke risk, to promote ischemic tolerance and to reduce post-stroke consequences. Nutraceuticals are also thought to regulate blood pressure, delay neurodegeneration and improve overall vascular health. Nutraceuticals potentially mediate these effects by their powerful antioxidant and anti-inflammatory properties. This review discusses the studies that have highlighted the translational potential of nutraceuticals as stroke therapies.
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Affiliation(s)
- Bharath Chelluboina
- Department of Neurological Surgery, University of Wisconsin, Madison, WI, USA
| | - Raghu Vemuganti
- Department of Neurological Surgery, University of Wisconsin, Madison, WI, USA; William S. Middleton Veterans Administration Hospital, Madison, WI, USA.
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14
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Kong ZL, Hsu YT, Johnson A, Tsai TH, Miao S, He JL, Tsou D. Protective effects of Antrodia camphorata extract against hypoxic cell injury and ischemic stroke brain damage. Phytother Res 2020; 35:1609-1620. [PMID: 33103286 DOI: 10.1002/ptr.6928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 10/07/2020] [Accepted: 10/09/2020] [Indexed: 12/30/2022]
Abstract
Ischemic stroke is the most prevalent stroke condition in the world resulted in either a transient ischemic attack or long-lasting neurological problems due to the interrupted or reduced blood flow to the brain. Antrodia camphorata is a well-known medicinal mushroom native to Taiwan and is familiar due to its medicinal effects. The current study investigated the protective effect of A. camphorata-alcohol extracts (AC-AE) against cobalt (II) chloride (CoCl2 )-induced oxidative stress in vitro and ischemia/reperfusion-induced brain injury in vivo. The rats were pre-treated with AC-AE for 4 weeks. Our results showed that AC-AE reduced cell damage and decreased reactive oxygen species (ROS) production in C6 and PC12 cells under CoCl2 -induced hypoxic condition. AC-AE doses (385, 770, 1,540 mg/kg/day, 4 weeks) increased nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1) mRNA expressions and decreased inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) mRNA expressions in Sprague Dawley rat. Besides, it decreased stroke infarct size and increased the level of antioxidants in both brain and serum. Furthermore, it reduced the formation of malondialdehyde (MDA) after ischemia/reperfusion (I/R). Our results suggested that AC-AE exerted an effective reduction of ischemia stroke by regulating ROS production.
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Affiliation(s)
- Zwe-Ling Kong
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan
| | - Ya-Ting Hsu
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan
| | - Athira Johnson
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan
| | - Tung-Han Tsai
- Chi Hsien Spine Hospital, Kaohsiung, Taiwan.,Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Song Miao
- Teagasc Food Research Centre, Fermoy, Ireland
| | - Jia-Ling He
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan.,Teagasc Food Research Centre, Fermoy, Ireland
| | - David Tsou
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan
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15
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Prikhodko V, Chernyuk D, Sysoev Y, Zernov N, Okovityi S, Popugaeva E. Potential Drug Candidates to Treat TRPC6 Channel Deficiencies in the Pathophysiology of Alzheimer's Disease and Brain Ischemia. Cells 2020; 9:cells9112351. [PMID: 33114455 PMCID: PMC7692306 DOI: 10.3390/cells9112351] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/28/2020] [Accepted: 10/20/2020] [Indexed: 12/16/2022] Open
Abstract
Alzheimer’s disease and cerebral ischemia are among the many causative neurodegenerative diseases that lead to disabilities in the middle-aged and elderly population. There are no effective disease-preventing therapies for these pathologies. Recent in vitro and in vivo studies have revealed the TRPC6 channel to be a promising molecular target for the development of neuroprotective agents. TRPC6 channel is a non-selective cation plasma membrane channel that is permeable to Ca2+. Its Ca2+-dependent pharmacological effect is associated with the stabilization and protection of excitatory synapses. Downregulation as well as upregulation of TRPC6 channel functions have been observed in Alzheimer’s disease and brain ischemia models. Thus, in order to protect neurons from Alzheimer’s disease and cerebral ischemia, proper TRPC6 channels modulators have to be used. TRPC6 channels modulators are an emerging research field. New chemical structures modulating the activity of TRPC6 channels are being currently discovered. The recent publication of the cryo-EM structure of TRPC6 channels should speed up the discovery process even more. This review summarizes the currently available information about potential drug candidates that may be used as basic structures to develop selective, highly potent TRPC6 channel modulators to treat neurodegenerative disorders, such as Alzheimer’s disease and cerebral ischemia.
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Affiliation(s)
- Veronika Prikhodko
- Laboratory of Molecular Neurodegeneration, Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia; (V.P.); (D.C.); (Y.S.); (N.Z.)
- Department of Pharmacology and Clinical Pharmacology, Saint Petersburg State Chemical Pharmaceutical University, 197022 St. Petersburg, Russia;
- N.P. Bechtereva Institute of the Human Brain of the Russian Academy of Sciences, 197376 St. Petersburg, Russia
| | - Daria Chernyuk
- Laboratory of Molecular Neurodegeneration, Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia; (V.P.); (D.C.); (Y.S.); (N.Z.)
| | - Yurii Sysoev
- Laboratory of Molecular Neurodegeneration, Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia; (V.P.); (D.C.); (Y.S.); (N.Z.)
- Department of Pharmacology and Clinical Pharmacology, Saint Petersburg State Chemical Pharmaceutical University, 197022 St. Petersburg, Russia;
- N.P. Bechtereva Institute of the Human Brain of the Russian Academy of Sciences, 197376 St. Petersburg, Russia
- Institute of Translational Biomedicine, Saint Petersburg State University, 199034 St. Petersburg, Russia
| | - Nikita Zernov
- Laboratory of Molecular Neurodegeneration, Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia; (V.P.); (D.C.); (Y.S.); (N.Z.)
| | - Sergey Okovityi
- Department of Pharmacology and Clinical Pharmacology, Saint Petersburg State Chemical Pharmaceutical University, 197022 St. Petersburg, Russia;
- N.P. Bechtereva Institute of the Human Brain of the Russian Academy of Sciences, 197376 St. Petersburg, Russia
| | - Elena Popugaeva
- Laboratory of Molecular Neurodegeneration, Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia; (V.P.); (D.C.); (Y.S.); (N.Z.)
- Correspondence:
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16
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Lee YJ, Lee E, You YH, Ahn YB, Song KH, Kim JW, Ko SH. Role of sirtuin-1 (SIRT1) in hypoxic injury in pancreatic β-cells. J Drug Target 2020; 29:88-98. [PMID: 32749162 DOI: 10.1080/1061186x.2020.1806285] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Islet transplantation (ITx) is being developed as a treatment for type 1 diabetes mellitus, but hypoxic damage to transplanted islet grafts is an important factor affecting successful transplantation. To investigate the role of sirtuin-1 (SIRT1) under hypoxic injury in INS-1 cells, one type of pancreatic β-cell lines, we used SRT1720 and GW4064 for SIRT1 activation. The small interfering RNA SIRT1 (si-SIRT1) was used to suppress SIRT1 gene expression. We measured cell viability, apoptosis, and the levels of inflammatory cytokines, including tumour necrosis factor-α (TNF-α), interleukin-6 (IL-6), and reactive oxygen species (ROS), under hypoxic conditions. Real-time PCR and Western blot analysis were performed. Cell viability was significantly reduced to 71% and 40% after 4 and 6 h of hypoxic conditions, respectively. Apoptosis increased significantly 2.8-fold and 5.3-fold after 4 and 6 h of hypoxia, respectively. SIRT1 expression was significantly reduced at the mRNA and protein levels during hypoxia. Hypoxic damage significantly increased the TNF-α, IL-6 and ROS levels in INS-1 cells. However, the reduced cell viability and increased inflammatory cytokines from hypoxic damage were ameliorated by SIRT1 activation in INS-1 cells. These results suggest that SIRT1 is a potential target for the protection of pancreatic β-cells against hypoxic damage during ITx.
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Affiliation(s)
- Ye-Jee Lee
- Department of Biomedicine and Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Esder Lee
- Department of Endocrinology and Metabolism, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Young-Hye You
- Department of Endocrinology and Metabolism, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yu-Bae Ahn
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Ki-Ho Song
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Ji-Won Kim
- Department of Endocrinology and Metabolism, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Hyun Ko
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Institute for Aging and Metabolic Diseases, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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17
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Hendouei F, Sanjari Moghaddam H, Mohammadi MR, Taslimi N, Rezaei F, Akhondzadeh S. Resveratrol as adjunctive therapy in treatment of irritability in children with autism: A double‐blind and placebo‐controlled randomized trial. J Clin Pharm Ther 2019; 45:324-334. [DOI: 10.1111/jcpt.13076] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 10/01/2019] [Accepted: 10/22/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Fatemeh Hendouei
- Psychiatric Research Center Roozbeh Hospital Tehran University of Medical Sciences Tehran Iran
| | | | - Mohammad Reza Mohammadi
- Psychiatric Research Center Roozbeh Hospital Tehran University of Medical Sciences Tehran Iran
| | - Negin Taslimi
- Psychiatric Research Center Roozbeh Hospital Tehran University of Medical Sciences Tehran Iran
| | - Farzin Rezaei
- Qods Hospital Kurdistan University of Medical Sciences Sanandaj Iran
| | - Shahin Akhondzadeh
- Psychiatric Research Center Roozbeh Hospital Tehran University of Medical Sciences Tehran Iran
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18
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Park DJ, Kang JB, Shah FA, Koh PO. Resveratrol modulates the Akt/GSK-3β signaling pathway in a middle cerebral artery occlusion animal model. Lab Anim Res 2019; 35:18. [PMID: 32257906 PMCID: PMC7081686 DOI: 10.1186/s42826-019-0019-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 09/25/2019] [Indexed: 12/22/2022] Open
Abstract
Cerebral ischemia is a major cause of neurodegenerative disease. It induces neuronal vulnerability and susceptibility, and leads to neuronal cell death. Resveratrol is a polyphenolic compound that acts as an anti-oxidant. It exerts a neuroprotective effect against focal cerebral ischemic injury. Akt signaling pathway is accepted as a representative cell survival pathway, including proliferation, growth, and glycogen synthesis. This study investigated whether resveratrol regulates Akt/glycogen synthase kinase-3β (GSK-3β) pathway in a middle cerebral artery occlusion (MCAO)-induced ischemic brain injury. Adult male rats were intraperitoneally injected with vehicle or resveratrol (30 mg/kg) and cerebral cortices were isolated 24 h after MCAO. Neurological behavior test, corner test, brain edema measurment, and 2,3,5-triphenyltetrazolium chloride staining were performed to elucidate the neuroprotective effects of resveratrol. Phospho-Akt and phospho-GSK-3β expression levels were measured using Western blot analysis. MCAO injury led to severe neurobehavioral deficit, infraction, and histopathological changes in cerebral cortex. However, resveratrol treatment alleviated these changes caused by MCAO injury. Moreover, MCAO injury induced decreases in phospho-Akt and phospho-GSK-3β protein levels, whereas resveratrol attenuated these decreases. Phosphorylations of Akt and GSK-3β act as a critical role for the suppression of apoptotic cell death. Thus, our finding suggests that resveratrol attenuates neuronal cell death in MCAO-induced cerebral ischemia and Akt/GSK-3β signaling pathway contributes to the neuroprotective effect of resveratrol.
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Affiliation(s)
- Dong-Ju Park
- Department of Anatomy, College of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, 501 Jinju-daero, Jinju, 52828 South Korea
| | - Ju-Bin Kang
- Department of Anatomy, College of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, 501 Jinju-daero, Jinju, 52828 South Korea
| | - Fawad-Ali Shah
- Department of Anatomy, College of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, 501 Jinju-daero, Jinju, 52828 South Korea
| | - Phil-Ok Koh
- Department of Anatomy, College of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, 501 Jinju-daero, Jinju, 52828 South Korea
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19
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Marin C, Langdon C, Alobid I, Fuentes M, Bonastre M, Mullol J. Recovery of Olfactory Function After Excitotoxic Lesion of the Olfactory Bulbs Is Associated with Increases in Bulbar SIRT1 and SIRT4 Expressions. Mol Neurobiol 2019; 56:5643-5653. [DOI: 10.1007/s12035-019-1472-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 01/10/2019] [Indexed: 12/21/2022]
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20
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Zheng XW, Shan CS, Xu QQ, Wang Y, Shi YH, Wang Y, Zheng GQ. Buyang Huanwu Decoction Targets SIRT1/VEGF Pathway to Promote Angiogenesis After Cerebral Ischemia/Reperfusion Injury. Front Neurosci 2018; 12:911. [PMID: 30564092 PMCID: PMC6288378 DOI: 10.3389/fnins.2018.00911] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 11/20/2018] [Indexed: 12/11/2022] Open
Abstract
Background: Ischemia stroke is known as the major cause of morbidity and mortality. Buyang Huanwu Decoction (BHD), a classical traditional Chinese medicine (TCM) formula, has been used to prevent and treat stoke for hundreds of years. The purpose of present study is to investigate the effects of BHD on angiogenesis in rats after cerebral ischemia/reperfusion (I/R) injury targeting Silent information regulator 1 (SIRT1) / Vascular endothelial growth factor (VEGF) pathway. Methods: The cerebral I/R injury model was induced by middle cerebral artery occlusion (MCAO). Adult Sprag-Dawley (SD) rats were randomly divided into five groups: sham group, normal saline (NS) group, BHD group, BHD+EX527 (SIRT1 specific inhibitor) group, and NS+EX527 group. Each group was divided into the subgroups according to 1, 3, 7, or 14 days time-point after cerebral ischemia/reperfusion, respectively. Neurological function score (NFS) was evaluated by the Rogers scale; microvascular density (MVD) in brain tissue around infarction area was observed by immunofluorescence; and the expression of SIRT1 and VEGF was assessed by Western Blot and Quantitative Real-time-PCR. Results: BHD can significantly improve NFS (P < 0.05), increase the MVD in the boundary ischemic area (P < 0.01) and elevate the expression of protein and mRNA of SIRT1 and VEGF following I/R injury (P < 0.01). In contrast, treatment with EX527 reversed the BHD-induced improvements in NFS (P < 0.01) and decreased the MVD (P < 0.01) and the expression of SIRT1 and VEGF (P < 0.05). Conclusion: BHD exerts neuroprotection targeting angiogenesis through the up-regulation of SIRT1/VEGF pathway against cerebral ischemic injury in rats.
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Affiliation(s)
- Xia-Wei Zheng
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chun-Shuo Shan
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Qing-Qing Xu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yong Wang
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yi-Hua Shi
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yan Wang
- Department of Cardiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Guo-Qing Zheng
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
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21
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Beneficial Effects of Resveratrol Administration-Focus on Potential Biochemical Mechanisms in Cardiovascular Conditions. Nutrients 2018; 10:nu10111813. [PMID: 30469326 PMCID: PMC6266814 DOI: 10.3390/nu10111813] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/08/2018] [Accepted: 11/14/2018] [Indexed: 12/15/2022] Open
Abstract
Resveratrol (RV) is a natural non-flavonoid polyphenol and phytoalexin produced by a number of plants such as peanuts, grapes, red wine and berries. Numerous in vitro studies have shown promising results of resveratrol usage as antioxidant, antiplatelet or anti-inflammatory agent. Beneficial effects of resveratrol activity probably result from its ability to purify the body from ROS (reactive oxygen species), inhibition of COX (cyclooxygenase) and activation of many anti-inflammatory pathways. Administration of the polyphenol has a potential to slow down the development of CVD (cardiovascular disease) by influencing on certain risk factors such as development of diabetes or atherosclerosis. Resveratrol induced an increase in Sirtuin-1 level, which by disrupting the TLR4/NF-κB/STAT signal cascade (toll-like receptor 4/nuclear factor κ-light-chain enhancer of activated B cells/signal transducer and activator of transcription) reduces production of cytokines in activated microglia. Resveratrol caused an attenuation of macrophage/mast cell-derived pro-inflammatory factors such as PAF (platelet-activating factor), TNF-α (tumour necrosis factor-α and histamine. Endothelial and anti-oxidative effect of resveratrol may contribute to better outcomes in stroke management. By increasing BDNF (brain-derived neurotrophic factor) serum concentration and inducing NOS-3 (nitric oxide synthase-3) activity resveratrol may have possible therapeutical effects on cognitive impairments and dementias especially in those characterized by defective cerebrovascular blood flow.
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22
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IOP lowering effect of topical trans-resveratrol involves adenosine receptors and TGF-β2 signaling pathways. Eur J Pharmacol 2018; 838:1-10. [DOI: 10.1016/j.ejphar.2018.08.035] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 08/27/2018] [Accepted: 08/27/2018] [Indexed: 01/06/2023]
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23
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Ding Z, Cao J, Shen Y, Zou Y, Yang X, Zhou W, Guo Q, Huang C. Resveratrol Promotes Nerve Regeneration via Activation of p300 Acetyltransferase-Mediated VEGF Signaling in a Rat Model of Sciatic Nerve Crush Injury. Front Neurosci 2018; 12:341. [PMID: 29875625 PMCID: PMC5974253 DOI: 10.3389/fnins.2018.00341] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 05/02/2018] [Indexed: 12/25/2022] Open
Abstract
Peripheral nerve injuries are generally associated with incomplete restoration of motor function. The slow rate of nerve regeneration after injury may account for this. Although many benefits of resveratrol have been shown in the nervous system, it is not clear whether resveratrol could promote fast nerve regeneration and motor repair after peripheral nerve injury. This study showed that the motor deficits caused by sciatic nerve crush injury were alleviated by daily systematic resveratrol treatment within 10 days. Resveratrol increased the number of axons in the distal part of the injured nerve, indicating enhanced nerve regeneration. In the affected ventral spinal cord, resveratrol enhanced the expression of several vascular endothelial growth factor family proteins (VEGFs) and increased the phosphorylation of p300 through Akt signaling, indicating activation of p300 acetyltransferase. Inactivation of p300 acetyltransferase reversed the resveratrol-induced expression of VEGFs and motor repair in rats that had undergone sciatic nerve crush injury. The above results indicated that daily systematic resveratrol treatment promoted nerve regeneration and led to rapid motor repair. Resveratrol activated p300 acetyltransferase-mediated VEGF signaling in the affected ventral spinal cord, which may have thus contributed to the acceleration of nerve regeneration and motor repair.
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Affiliation(s)
- Zhuofeng Ding
- Department of Anesthesiology, Xiangya Hospital of Central South University, Changsha, China
| | - Jiawei Cao
- Department of Anesthesiology, Xiangya Hospital of Central South University, Changsha, China
| | - Yu Shen
- Department of Anesthesiology, Xiangya Hospital of Central South University, Changsha, China
| | - Yu Zou
- Department of Anesthesiology, Xiangya Hospital of Central South University, Changsha, China
| | - Xin Yang
- Department of Anesthesiology, Xiangya Hospital of Central South University, Changsha, China
| | - Wen Zhou
- Department of Anesthesiology, Xiangya Hospital of Central South University, Changsha, China
| | - Qulian Guo
- Department of Anesthesiology, Xiangya Hospital of Central South University, Changsha, China
| | - Changsheng Huang
- Department of Anesthesiology, Xiangya Hospital of Central South University, Changsha, China
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24
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Li G, Morris-Blanco KC, Lopez MS, Yang T, Zhao H, Vemuganti R, Luo Y. Impact of microRNAs on ischemic stroke: From pre- to post-disease. Prog Neurobiol 2018; 163-164:59-78. [DOI: 10.1016/j.pneurobio.2017.08.002] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 06/12/2017] [Accepted: 08/16/2017] [Indexed: 12/21/2022]
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25
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Khoury N, Koronowski KB, Young JI, Perez-Pinzon MA. The NAD +-Dependent Family of Sirtuins in Cerebral Ischemia and Preconditioning. Antioxid Redox Signal 2018; 28:691-710. [PMID: 28683567 PMCID: PMC5824497 DOI: 10.1089/ars.2017.7258] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Accepted: 07/04/2017] [Indexed: 12/11/2022]
Abstract
SIGNIFICANCE Sirtuins are an evolutionarily conserved family of NAD+-dependent lysine deacylases and ADP ribosylases. Their requirement for NAD+ as a cosubstrate allows them to act as metabolic sensors that couple changes in the energy status of the cell to changes in cellular physiological processes. NAD+ levels are affected by several NAD+-producing and NAD+-consuming pathways as well as by cellular respiration. Thus their intracellular levels are highly dynamic and are misregulated in a spectrum of metabolic disorders including cerebral ischemia. This, in turn, compromises several NAD+-dependent processes that may ultimately lead to cell death. Recent Advances: A number of efforts have been made to replenish NAD+ in cerebral ischemic injuries as well as to understand the functions of one its important mediators, the sirtuin family of proteins through the use of pharmacological modulators or genetic manipulation approaches either before or after the insult. Critical Issues and Future Directions: The results of these studies have regarded the sirtuins as promising therapeutic targets for cerebral ischemia. Yet, additional efforts are needed to understand the role of some of the less characterized members and to address the sex-specific effects observed with some members. Sirtuins also exhibit cell-type-specific expression in the brain as well as distinct subcellular and regional localizations. As such, they are involved in diverse and sometimes opposing cellular processes that can either promote neuroprotection or further contribute to the injury; which also stresses the need for the development and use of sirtuin-specific pharmacological modulators. Antioxid. Redox Signal. 28, 691-710.
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Affiliation(s)
- Nathalie Khoury
- Department of Neurology; Cerebral Vascular Research Laboratories; and Neuroscience Program, Miller School of Medicine, University of Miami, Miami, Florida
| | - Kevin B. Koronowski
- Department of Neurology; Cerebral Vascular Research Laboratories; and Neuroscience Program, Miller School of Medicine, University of Miami, Miami, Florida
| | - Juan I. Young
- Dr. John T. Macdonald Foundation Department of Human Genetics; Hussman Institute for Human Genomics, and Neuroscience Program, Miller School of Medicine, University of Miami, Miami, Florida
| | - Miguel A. Perez-Pinzon
- Department of Neurology; Cerebral Vascular Research Laboratories; and Neuroscience Program, Miller School of Medicine, University of Miami, Miami, Florida
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26
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Lee RHC, Lee MHH, Wu CYC, Couto e Silva A, Possoit HE, Hsieh TH, Minagar A, Lin HW. Cerebral ischemia and neuroregeneration. Neural Regen Res 2018; 13:373-385. [PMID: 29623912 PMCID: PMC5900490 DOI: 10.4103/1673-5374.228711] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/01/2018] [Indexed: 12/11/2022] Open
Abstract
Cerebral ischemia is one of the leading causes of morbidity and mortality worldwide. Although stroke (a form of cerebral ischemia)-related costs are expected to reach 240.67 billion dollars by 2030, options for treatment against cerebral ischemia/stroke are limited. All therapies except anti-thrombolytics (i.e., tissue plasminogen activator) and hypothermia have failed to reduce neuronal injury, neurological deficits, and mortality rates following cerebral ischemia, which suggests that development of novel therapies against stroke/cerebral ischemia are urgently needed. Here, we discuss the possible mechanism(s) underlying cerebral ischemia-induced brain injury, as well as current and future novel therapies (i.e., growth factors, nicotinamide adenine dinucleotide, melatonin, resveratrol, protein kinase C isozymes, pifithrin, hypothermia, fatty acids, sympathoplegic drugs, and stem cells) as it relates to cerebral ischemia.
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Affiliation(s)
- Reggie H. C. Lee
- Department of Neurology, Louisiana State University Health Science Center, Shreveport, LA, USA
- Center for Brain Health, Louisiana State University Health Science Center, Shreveport, LA, USA
| | - Michelle H. H. Lee
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Taiwan, China
| | - Celeste Y. C. Wu
- Department of Neurology, Louisiana State University Health Science Center, Shreveport, LA, USA
- Center for Brain Health, Louisiana State University Health Science Center, Shreveport, LA, USA
| | - Alexandre Couto e Silva
- Department of Cellular Biology and Anatomy, Louisiana State University Health Science Center, Shreveport, LA, USA
| | - Harlee E. Possoit
- Department of Neurology, Louisiana State University Health Science Center, Shreveport, LA, USA
- Center for Brain Health, Louisiana State University Health Science Center, Shreveport, LA, USA
| | - Tsung-Han Hsieh
- Department of Neurology, Louisiana State University Health Science Center, Shreveport, LA, USA
- Center for Brain Health, Louisiana State University Health Science Center, Shreveport, LA, USA
| | - Alireza Minagar
- Department of Neurology, Louisiana State University Health Science Center, Shreveport, LA, USA
| | - Hung Wen Lin
- Department of Neurology, Louisiana State University Health Science Center, Shreveport, LA, USA
- Center for Brain Health, Louisiana State University Health Science Center, Shreveport, LA, USA
- Department of Cellular Biology and Anatomy, Louisiana State University Health Science Center, Shreveport, LA, USA
- Cardiovascular and Metabolomics Research Center, Hualien Tzu Chi Hospital, Hualien, Taiwan, China
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27
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Bernier M, Wahl D, Ali A, Allard J, Faulkner S, Wnorowski A, Sanghvi M, Moaddel R, Alfaras I, Mattison JA, Tarantini S, Tucsek Z, Ungvari Z, Csiszar A, Pearson KJ, de Cabo R. Resveratrol supplementation confers neuroprotection in cortical brain tissue of nonhuman primates fed a high-fat/sucrose diet. Aging (Albany NY) 2017; 8:899-916. [PMID: 27070252 PMCID: PMC4931843 DOI: 10.18632/aging.100942] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 03/30/2016] [Indexed: 01/19/2023]
Abstract
Previous studies have shown positive effects of long-term resveratrol (RSV) supplementation in preventing pancreatic beta cell dysfunction, arterial stiffening and metabolic decline induced by high-fat/high-sugar (HFS) diet in nonhuman primates. Here, the analysis was extended to examine whether RSV may reduce dietary stress toxicity in the cerebral cortex of the same cohort of treated animals. Middle-aged male rhesus monkeys were fed for 2 years with HFS alone or combined with RSV, after which whole-genome microarray analysis of cerebral cortex tissue was carried out along with ELISA, immunofluorescence, and biochemical analyses to examine markers of vascular health and inflammation in the cerebral cortices. A number of genes and pathways that were differentially modulated in these dietary interventions indicated an exacerbation of neuroinflammation (e.g., oxidative stress markers, apoptosis, NF-κB activation) in HFS-fed animals and protection by RSV treatment. The decreased expression of mitochondrial aldehyde dehydrogenase 2, dysregulation in endothelial nitric oxide synthase, and reduced capillary density induced by HFS stress were rescued by RSV supplementation. Our results suggest that long-term RSV treatment confers neuroprotection against cerebral vascular dysfunction during nutrient stress.
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Affiliation(s)
- Michel Bernier
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Devin Wahl
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Ahmed Ali
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Joanne Allard
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA.,Department of Physiology and Biophysics, Howard University, College of Medicine, Washington, DC 20059, USA
| | - Shakeela Faulkner
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Artur Wnorowski
- Department of Biopharmacy, Medical University of Lublin, 20-093 Lublin, Poland.,Laboratory of Clinical Investigation, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Mitesh Sanghvi
- Laboratory of Clinical Investigation, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Ruin Moaddel
- Laboratory of Clinical Investigation, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Irene Alfaras
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Julie A Mattison
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Stefano Tarantini
- University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
| | - Zsuzsanna Tucsek
- University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
| | - Zoltan Ungvari
- University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
| | - Anna Csiszar
- University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
| | - Kevin J Pearson
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA.,Graduate Center for Nutritional Sciences, University of Kentucky, Lexington, KY 40536, USA
| | - Rafael de Cabo
- Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA
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28
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She DT, Jo DG, Arumugam TV. Emerging Roles of Sirtuins in Ischemic Stroke. Transl Stroke Res 2017; 8:10.1007/s12975-017-0544-4. [PMID: 28656393 DOI: 10.1007/s12975-017-0544-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 06/02/2017] [Accepted: 06/06/2017] [Indexed: 12/13/2022]
Abstract
Ischemic stroke is one of the leading causes of death worldwide. It is characterized by a sudden disruption of blood flow to the brain causing cell death and damage, which will lead to neurological impairments. In the current state, only one drug is approved to be used in clinical setting and new therapies that confer ischemic neuroprotection are desperately needed. Several targets and pathways have been indicated to be neuroprotective in ischemic stroke, among which the sirtuin family of nicotinamide adenine dinucleotide (NAD+)-dependent deacetylases has emerged as important modulators of several processes in the normal physiology and pathological conditions such as stroke. Recent studies have identified some members of the sirtuin family are able to ameliorate the devastating consequences of ischemic stroke by conferring neuroprotection by means of reducing neuronal cell death, oxidative stress, and neuroinflammation whereas some sirtuins are found to be detrimental in the pathophysiology of ischemic stroke. This review summarizes implications of sirtuins in ischemic stroke and the experimental evidences that demonstrate the potential of sirtuin modulators as neuroprotective therapy for ischemic stroke.
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Affiliation(s)
- David T She
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Neurobiology/Ageing Programme, Life Sciences Institute, National University of Singapore, Singapore, 117456, Singapore
| | - Dong-Gyu Jo
- School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Thiruma V Arumugam
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore.
- Neurobiology/Ageing Programme, Life Sciences Institute, National University of Singapore, Singapore, 117456, Singapore.
- School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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29
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Resveratrol Induces Differentiation of Human Umbilical Cord Mesenchymal Stem Cells into Neuron-Like Cells. Stem Cells Int 2017; 2017:1651325. [PMID: 28512471 PMCID: PMC5415670 DOI: 10.1155/2017/1651325] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 01/29/2017] [Accepted: 02/15/2017] [Indexed: 01/01/2023] Open
Abstract
Objective. Human umbilical cord mesenchymal stem cells (hUC-MSCs) potentially differentiate to various types of cells including neuron-like cells. The natural polyphenol resveratrol benefits patients with many diseases including ischemic brain injury. We hypothesize that resveratrol induces differentiation of hUC-MSCs into neuron-like cells. Methods. Flow cytometry was used to determine the surface antigens in different stage of hUC-MSCs (P2, P5, and P10). Nestin, neuron-specific enolase (NSE), and glial fibrillary acidic protein (GFAP) were detected by immunocytochemistry, Western blotting, and real time RT-PCT. The cultured hUC-MSCs were treated with resveratrol at different concentrations (0, 7.5, 15.0, and 30.0 mg/L). Nestin, GFAP, and NSE protein and mRNA were measured at posttreatment time points of 2 h, 4 h, 6 h, 12 h, and 24 h. Results. Neuron-like cells were found in hUC-MSCs treated by resveratrol at concentrations of 15.0 and 30.0 mg/L, but not in hUC-MSCs treated with vehicle and 7.5 mg/L resveratrol. Furthermore, immunocytochemical staining revealed that nestin and NSE immunoreactivities were positive in resveratrol-treated hUC-MSCs at concentrations of 15.0 and 30.0 mg/L. Resveratrol treatment significantly increased nestin and NSE protein and mRNA levels 4 h after the treatment. However, resveratrol treatment did not change GFAP immunoreactivities and protein and mRNA expression levels in cultured hUC-MSCs. Conclusions. Taken together, resveratrol treatment induces a differentiation of hUC-MSCs into neuron-like cells at relatively high concentrations.
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Agarwal R, Agarwal P. Targeting extracellular matrix remodeling in disease: Could resveratrol be a potential candidate? Exp Biol Med (Maywood) 2017; 242:374-383. [PMID: 27798117 PMCID: PMC5298538 DOI: 10.1177/1535370216675065] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 09/23/2016] [Indexed: 01/29/2023] Open
Abstract
Disturbances of extracellular matrix homeostasis are associated with a number of pathological conditions. The ability of extracellular matrix to provide contextual information and hence control the individual or collective cellular behavior is increasingly being recognized. Hence, newer therapeutic approaches targeting extracellular matrix remodeling are widely investigated. We reviewed the current literature showing the effects of resveratrol on various aspects of extracellular matrix remodeling. This review presents a summary of the effects of resveratrol on extracellular matrix deposition and breakdown. Mechanisms of action of resveratrol in extracellular matrix deposition involving growth factors and their signaling pathways are discussed. Involvement of phosphoinositol-3-kinase/Akt and mitogen-activated protein kinase pathways and role of transcription factors and sirtuins on the effects of resveratrol on extracellular matrix homeostasis are summarized. It is evident from the literature presented in this review that resveratrol has significant effects on both the synthesis and breakdown of extracellular matrix. The major molecular targets of the action of resveratrol are growth factors and their signaling pathways, phosphoinositol-3-kinase/Akt and mitogen-activated protein kinase pathways, transcription factors, and SIRT-1. The effects of resveratrol on extracellular matrix and the molecular targets appear to be related to experimental models, experimental environment as well as the doses.
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Affiliation(s)
- Renu Agarwal
- Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh, Selangor 47000, Malaysia
| | - Puneet Agarwal
- Department of Ophthalmology, School of Medicine, International Medical University, Jalan Rasah, Seremban 70300, Malaysia
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31
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Extracts of Chilean native fruits inhibit oxidative stress, inflammation and insulin-resistance linked to the pathogenic interaction between adipocytes and macrophages. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.08.052] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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32
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Tomaciello F, Leclercq K, Kaminski RM. Resveratrol lacks protective activity against acute seizures in mouse models. Neurosci Lett 2016; 632:199-203. [PMID: 27600732 DOI: 10.1016/j.neulet.2016.09.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 08/30/2016] [Accepted: 09/01/2016] [Indexed: 01/02/2023]
Abstract
Resveratrol (3,4',5-stilbenetriol) is a natural product having diverse anti-inflammatory and antioxidant properties. The compound has a wide spectrum of pharmacological and metabolic activity, including cardioprotective, neuroprotective, anticarcinogenic and anti-aging effects reported in numerous studies. Some reports also suggest potential anticonvulsant properties of resveratrol. In the present study, we used in mice three different seizure models which are routinely applied in preclinical drug discovery. The protective effects of resveratrol were evaluated in the pentylenetetrazole (PTZ), maximal electroshock (MES) and 6-Hz electrical seizure models. Resveratrol (up to 300mg/kg) administered ip (5-60min pre-treatment time) remained without any protective activity against seizures induced in these models. There was only a trend towards a delay in seizure latency, which reached statistical significance after treatment with resveratrol (100mg/kg; 15min) in case of tonic convulsions induced by PTZ. Phenobarbital (PHB, ip, 45min), used as a reference compound, displayed a clear-cut and dose-dependent protection against seizures in all the models. The ED50 values obtained with PHB were as follows: 7.3mg/kg (PTZ model), 13.3mg/kg (MES model) and 29.7mg/kg (6-Hz model). The present data demonstrate that an acute treatment with resveratrol does not provide any significant protection in three seizure models which collectively are able to detect anticonvulsants with diverse mechanisms of action. However, it cannot be excluded that chronic treatment with resveratrol may offer some protection in these or other seizure models.
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Affiliation(s)
- Francesca Tomaciello
- UCB Pharma, Neurosciences TA, B-1420 Braine-l'Alleud, Belgium; Faculty of Science, University of Sannio, Benevento, Italy
| | - Karine Leclercq
- UCB Pharma, Neurosciences TA, B-1420 Braine-l'Alleud, Belgium.
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33
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Differential responses of Trans-Resveratrol on proliferation of neural progenitor cells and aged rat hippocampal neurogenesis. Sci Rep 2016; 6:28142. [PMID: 27334554 PMCID: PMC4917886 DOI: 10.1038/srep28142] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 05/27/2016] [Indexed: 12/29/2022] Open
Abstract
The plethora of literature has supported the potential benefits of Resveratrol (RV) as a life-extending as well as an anticancer compound. However, these two functional discrepancies resulted at different concentration ranges. Likewise, the role of Resveratrol on adult neurogenesis still remains controversial and less understood despite its well documented health benefits. To gather insight into the biological effects of RV on neurogenesis, we evaluated the possible effects of the compound on the proliferation and survival of neural progenitor cells (NPCs) in culture, and in the hippocampus of aged rats. Resveratrol exerted biphasic effects on NPCs; low concentrations (10 μM) stimulated cell proliferation mediated by increased phosphorylation of extracellular signal-regulated kinases (ERKs) and p38 kinases, whereas high concentrations (>20 μM) exhibited inhibitory effects. Administration of Resveratrol (20 mg/kg body weight) to adult rats significantly increased the number of newly generated cells in the hippocampus, with upregulation of p-CREB and SIRT1 proteins implicated in neuronal survival and lifespan extension respectively. We have successfully demonstrated that Resveratrol exhibits dose dependent discrepancies and at a lower concentration can have a positive impact on the proliferation, survival of NPCs and aged rat hippocampal neurogenesis implicating its potential as a candidate for restorative therapies against age related disorders.
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34
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Mitochondrial function in hypoxic ischemic injury and influence of aging. Prog Neurobiol 2016; 157:92-116. [PMID: 27321753 DOI: 10.1016/j.pneurobio.2016.06.006] [Citation(s) in RCA: 243] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 03/30/2016] [Accepted: 06/12/2016] [Indexed: 12/11/2022]
Abstract
Mitochondria are a major target in hypoxic/ischemic injury. Mitochondrial impairment increases with age leading to dysregulation of molecular pathways linked to mitochondria. The perturbation of mitochondrial homeostasis and cellular energetics worsens outcome following hypoxic-ischemic insults in elderly individuals. In response to acute injury conditions, cellular machinery relies on rapid adaptations by modulating posttranslational modifications. Therefore, post-translational regulation of molecular mediators such as hypoxia-inducible factor 1α (HIF-1α), peroxisome proliferator-activated receptor γ coactivator α (PGC-1α), c-MYC, SIRT1 and AMPK play a critical role in the control of the glycolytic-mitochondrial energy axis in response to hypoxic-ischemic conditions. The deficiency of oxygen and nutrients leads to decreased energetic reliance on mitochondria, promoting glycolysis. The combination of pseudohypoxia, declining autophagy, and dysregulation of stress responses with aging adds to impaired host response to hypoxic-ischemic injury. Furthermore, intermitochondrial signal propagation and tissue wide oscillations in mitochondrial metabolism in response to oxidative stress are emerging as vital to cellular energetics. Recently reported intercellular transport of mitochondria through tunneling nanotubes also play a role in the response to and treatments for ischemic injury. In this review we attempt to provide an overview of some of the molecular mechanisms and potential therapies involved in the alteration of cellular energetics with aging and injury with a neurobiological perspective.
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35
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Ingberg E, Dock H, Theodorsson E, Theodorsson A, Ström JO. Method parameters' impact on mortality and variability in mouse stroke experiments: a meta-analysis. Sci Rep 2016; 6:21086. [PMID: 26876353 PMCID: PMC4753409 DOI: 10.1038/srep21086] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 01/13/2016] [Indexed: 12/17/2022] Open
Abstract
Although hundreds of promising substances have been tested in clinical trials,
thrombolysis currently remains the only specific pharmacological treatment for
ischemic stroke. Poor quality, e.g. low statistical power, in the preclinical
studies has been suggested to play an important role in these failures. Therefore,
it would be attractive to use animal models optimized to minimize unnecessary
mortality and outcome variability, or at least to be able to power studies more
exactly by predicting variability and mortality given a certain experimental setup.
The possible combinations of methodological parameters are innumerous, and an
experimental comparison of them all is therefore not feasible. As an alternative
approach, we extracted data from 334 experimental mouse stroke articles and, using a
hypothesis-driven meta-analysis, investigated the method parameters’
impact on infarct size variability and mortality. The use of Swiss and C57BL6 mice
as well as permanent occlusion of the middle cerebral artery rendered the lowest
variability of the infarct size while the emboli methods increased variability. The
use of Swiss mice increased mortality. Our study offers guidance for researchers
striving to optimize mouse stroke models.
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Affiliation(s)
- Edvin Ingberg
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Linköping University, Department of Clinical Chemistry, Center for Diagnostics, Region Östergötland, Sweden
| | - Hua Dock
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Linköping University, Department of Clinical Chemistry, Center for Diagnostics, Region Östergötland, Sweden
| | - Elvar Theodorsson
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Linköping University, Department of Clinical Chemistry, Center for Diagnostics, Region Östergötland, Sweden
| | - Annette Theodorsson
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Linköping University, Department of Clinical Chemistry, Center for Diagnostics, Region Östergötland, Sweden.,Division of Neuro and Inflammation Science, Department of Clinical and Experimental Medicine, Linköping University, Department of Neurosurgery, Anaesthetics, Operations and Specialty Surgery Center, Region Östergötland, Sweden
| | - Jakob O Ström
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Linköping University, Department of Clinical Chemistry, Center for Diagnostics, Region Östergötland, Sweden.,Vårdvetenskapligt Forskningscentrum/Centre for Health Sciences, Örebro University Hospital, County Council of Örebro, Örebro, Sweden.,School of Health and Medical Sciences, Örebro University, Örebro, Sweden
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36
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Yu P, Wang L, Tang F, Zeng L, Zhou L, Song X, Jia W, Chen J, Yang Q. Resveratrol Pretreatment Decreases Ischemic Injury and Improves Neurological Function Via Sonic Hedgehog Signaling After Stroke in Rats. Mol Neurobiol 2016; 54:212-226. [PMID: 26738852 DOI: 10.1007/s12035-015-9639-7] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 12/15/2015] [Indexed: 12/22/2022]
Abstract
Resveratrol has neuroprotective effects for ischemic cerebral stroke. However, its neuroprotective mechanism for stroke is less well understood. Beneficial actions of the activated Sonic hedgehog (Shh) signaling pathway in stroke, such as improving neurological function, promoting neurogenesis, anti-oxidative, anti-apoptotic, and pro-angiogenic effects, have been noted, but relatively little is known about the role of Shh signaling in resveratrol-reduced cerebral ischemic injury after stroke. The present study tests whether the Shh pathway mediates resveratrol to decrease cerebral ischemic injury and improve neurological function after stroke. We observed that resveratrol pretreatment significantly improved neurological function, decreased infarct volume, enhanced vitality, and reduced apoptosis of neurons in vivo and vitro after stroke. Meanwhile, expression levels of Shh, Ptc-1, Smo, and Gli-1 mRNAs were significantly upregulated and Gli-1 was relocated to the nucleus. Intriguingly, in vivo and in vitro inhibition of the Shh signaling pathway with cyclopamine, a Smo inhibitor, completely reversed the above effects of resveratrol. These results suggest that decreased cerebral ischemic injury and improved neurological function by resveratrol may be mediated by the Shh signaling pathway.
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Affiliation(s)
- Pingping Yu
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China
| | - Li Wang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China
| | - Fanren Tang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China
| | - Li Zeng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China
| | - Luling Zhou
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China
| | - Xiaosong Song
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China
| | - Wei Jia
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China
| | - Jixiang Chen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China
| | - Qin Yang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, 400016, Chongqing, China.
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37
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Abstract
Cerebral ischemia is among the leading causes of death worldwide. It is characterized by a lack of blood flow to the brain that results in cell death and damage, ultimately causing motor, sensory, and cognitive impairments. Today, clinical treatment of cerebral ischemia, mostly stroke and cardiac arrest, is limited and new neuroprotective therapies are desperately needed. The Sirtuin family of oxidized nicotinamide adenine dinucleotide (NAD+)-dependent deacylases has been shown to govern several processes within the central nervous system as well as to possess neuroprotective properties in a variety of pathological conditions such as Alzheimer's Disease, Parkinson's Disease, and Huntington's Disease, among others. Recently, Sirt1 in particular has been identified as a mediator of cerebral ischemia, with potential as a possible therapeutic target. To gather studies relevant to this topic, we used PubMed and previous reviews to locate, select, and resynthesize the lines of evidence presented here. In this review, we will first describe some functions of Sirt1 in the brain, mainly neurodevelopment, learning and memory, and metabolic regulation. Second, we will discuss the experimental evidence that has implicated Sirt1 as a key protein in the regulation of cerebral ischemia as well as a potential target for the induction of ischemic tolerance.
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Affiliation(s)
- Kevin B Koronowski
- Department of Neurology and Neuroscience Program, Cerebral Vascular Disease Research Laboratories, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Miguel A Perez-Pinzon
- Department of Neurology and Neuroscience Program, Cerebral Vascular Disease Research Laboratories, Miller School of Medicine, University of Miami, Miami, Florida, USA
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38
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Razali N, Agarwal R, Agarwal P, Tripathy M, Kapitonova MY, Kutty MK, Smirnov A, Khalid Z, Ismail NM. Topical trans-resveratrol ameliorates steroid-induced anterior and posterior segment changes in rats. Exp Eye Res 2015; 143:9-16. [PMID: 26424219 DOI: 10.1016/j.exer.2015.09.014] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 09/01/2015] [Accepted: 09/24/2015] [Indexed: 11/30/2022]
Abstract
Steroid-induced hypertension and glaucoma is associated with increased extracellular meshwork (ECM) deposition in trabecular meshwork (TM). Previous studies have shown that single drop application of trans-resveratrol lowers IOP in steroid-induced ocular hypertensive (SIOH) rats. This IOP lowering is attributed to activation of adenosine A1 receptors, which may lead to increased matrix metalloproteinase (MMP)-2 activity. This study evaluated the effect of repeated topical application of trans-resveratrol for 21 days in SIOH animals on IOP, changes in MMP-2 level in aqueous humor, trabecular meshwork and retinal morphology and retinal redox status. We observed that treatment with trans-resveratrol results in significant and sustained IOP reduction in SIOH rats. This IOP reduction is associated with significantly higher aqueous humor total MMP-2 level; significantly reduced TM thickness and increased number of TM cells. Treatment with trans-resveratrol also significantly increased ganglion cell layer (GCL) thickness, the linear cell density in the GCL and inner retina thickness; and significantly reduced retinal oxidative stress compared to the SIOH vehicle-treated group. In conclusion, repeated dose topical application of trans-resveratrol produces sustained IOP lowering effect, which is associated with increased level of aqueous humor MMP-2, normalization of TM and retinal morphology and restoration of retinal redox status.
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Affiliation(s)
- Norhafiza Razali
- Faculty of Medicine, Universiti Teknologi MARA (UiTM), Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia.
| | - Renu Agarwal
- Faculty of Medicine, Universiti Teknologi MARA (UiTM), Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia
| | - Puneet Agarwal
- School of Medicine, International Medical University, IMU Clinical School, Department of Ophthalmology, Jalan Rasah, Seremban, Malaysia
| | - Minaketan Tripathy
- Universiti Teknologi MARA, Faculty of Pharmacy, Dept. of Pharmaceutics, Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia
| | - Marina Y Kapitonova
- Faculty of Medicine, Universiti Teknologi MARA (UiTM), Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia
| | - Methil K Kutty
- Faculty of Medicine, Universiti Teknologi MARA (UiTM), Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia
| | - Alexey Smirnov
- Pathological Anatomy Department, Volgograd State Medical University, 1, Pavshikh Bortsov Square, Volgograd, 400131, Russia
| | - Zalizah Khalid
- Faculty of Medicine, Universiti Teknologi MARA (UiTM), Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia
| | - Nafeeza M Ismail
- Faculty of Medicine, Universiti Teknologi MARA (UiTM), Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia
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39
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Gottfried C, Bambini-Junior V, Francis F, Riesgo R, Savino W. The Impact of Neuroimmune Alterations in Autism Spectrum Disorder. Front Psychiatry 2015; 6:121. [PMID: 26441683 PMCID: PMC4563148 DOI: 10.3389/fpsyt.2015.00121] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 08/17/2015] [Indexed: 01/27/2023] Open
Abstract
Autism spectrum disorder (ASD) involves a complex interplay of both genetic and environmental risk factors, with immune alterations and synaptic connection deficiency in early life. In the past decade, studies of ASD have substantially increased, in both humans and animal models. Immunological imbalance (including autoimmunity) has been proposed as a major etiological component in ASD, taking into account increased levels of pro-inflammatory cytokines observed in postmortem brain from patients, as well as autoantibody production. Also, epidemiological studies have established a correlation of ASD with family history of autoimmune diseases; associations with major histocompatibility complex haplotypes and abnormal levels of immunological markers in the blood. Moreover, the use of animal models to study ASD is providing increasing information on the relationship between the immune system and the pathophysiology of ASD. Herein, we will discuss the accumulating literature for ASD, giving special attention to the relevant aspects of factors that may be related to the neuroimmune interface in the development of ASD, including changes in neuroplasticity.
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Affiliation(s)
- Carmem Gottfried
- Translational Research Group in Autism Spectrum Disorder (GETTEA), Federal University of Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Victorio Bambini-Junior
- Translational Research Group in Autism Spectrum Disorder (GETTEA), Federal University of Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Fiona Francis
- Sorbonne Université, Université Pierre et Marie Curie, Paris, France
- INSERM UMR-S 839, Paris, France
- Institut du Fer à Moulin, Paris, France
| | - Rudimar Riesgo
- Translational Research Group in Autism Spectrum Disorder (GETTEA), Federal University of Rio Grande do Sul, Porto Alegre, Brazil
- Child Neurology Unit, Clinical Hospital of Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Wilson Savino
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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Hermann DM, Zechariah A, Kaltwasser B, Bosche B, Caglayan AB, Kilic E, Doeppner TR. Sustained neurological recovery induced by resveratrol is associated with angioneurogenesis rather than neuroprotection after focal cerebral ischemia. Neurobiol Dis 2015; 83:16-25. [PMID: 26316359 DOI: 10.1016/j.nbd.2015.08.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 08/01/2015] [Accepted: 08/19/2015] [Indexed: 01/01/2023] Open
Abstract
According to the French paradox, red wine consumption reduces the incidence of vascular diseases even in the presence of highly saturated fatty acid intake. This phenomenon is widely attributed to the phytoalexin resveratrol, a red wine ingredient. Experimental studies suggesting that resveratrol has neuroprotective properties mostly used prophylactic delivery strategies associated with short observation periods. These studies did not allow conclusions to be made about resveratrol's therapeutic efficacy post-stroke. Herein, we systematically analyzed effects of prophylactic, acute and post-acute delivery of resveratrol (50mg/kg) on neurological recovery, tissue survival, and angioneurogenesis after focal cerebral ischemia induced by intraluminal middle cerebral artery occlusion in mice. Over an observation period of four weeks, only prolonged post-acute resveratrol delivery induced sustained neurological recovery as assessed by rota rod, tight rope and corner turn tests. Although prophylactic and acute resveratrol delivery reduced infarct volume and enhanced blood-brain-barrier integrity at 2 days post-ischemia by elevating resveratrol's downstream signal sirtuin-1, increasing cell survival signals (phosphorylated Akt, heme oxygenase-1, Bcl-2) and decreasing cell death signals (Bax, activated caspase-3), a sustained reduction of infarct size on day 28 was not observed in any of the three experimental conditions. Instead, enhanced angiogenesis and neurogenesis were noted in animals receiving post-acute resveratrol delivery, which were associated with elevated concentrations of GDNF and VEGF in the brain. Thus, sustained neurological recovery induced by resveratrol depends on successful brain remodeling rather than structural neuroprotection. The recovery promoting effect of delayed resveratrol delivery opens promising perspectives for stroke therapy.
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Affiliation(s)
- Dirk M Hermann
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany
| | - Anil Zechariah
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany; Hotchkiss Brain Institute, Libin Cardiovascular Institute and the Department of Physiology & Pharmacology, University of Calgary, AB, Canada
| | - Britta Kaltwasser
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany
| | - Bert Bosche
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany; Division of Neurosurgery, St. Michael's Hospital, Keenan Research Center for Biomedical Science and the Li Ka Shing Knowledge Institute of St. Michael's Hospital, Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Ahmet B Caglayan
- Istanbul Medipol University, Regenerative and Restorative Medical Research Center, Istanbul, Turkey
| | - Ertugrul Kilic
- Istanbul Medipol University, Regenerative and Restorative Medical Research Center, Istanbul, Turkey
| | - Thorsten R Doeppner
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany; Istanbul Medipol University, Regenerative and Restorative Medical Research Center, Istanbul, Turkey.
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Modifying Choroidal Neovascularization Development with a Nutritional Supplement in Mice. Nutrients 2015; 7:5423-42. [PMID: 26153682 PMCID: PMC4517006 DOI: 10.3390/nu7075229] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 06/05/2015] [Accepted: 06/18/2015] [Indexed: 12/23/2022] Open
Abstract
We examined the effect of nutritional supplements (modified Age Related Eye Disease Study (AREDS)-II formulation containing vitamins, minerals, lutein, resveratrol, and omega-3 fatty acids) on choroidal neovascularization (CNV). Supplements were administered alone and combined with intravitreal anti-VEGF in an early-CNV (diode laser-induced) murine model. Sixty mice were evenly divided into group V (oral vehicle, intravitreal saline), group S (oral supplement, intravitreal saline), group V + aVEGF (oral vehicle, intravitreal anti-VEGF), and group S + aVEGF (oral supplement, intravitreal anti-VEGF). Vehicle and nutritional supplements were administered daily for 38 days beginning 10 days before laser. Intravitreal injections were administered 48 h after laser. Fluorescein angiography (FA) and flat-mount CD31 staining evaluated leakage and CNV lesion area. Expression of VEGF, MMP-2 and MMP-9 activity, and NLRP3 were evaluated with RT-PCR, zymography, and western-blot. Leakage, CNV size, VEGF gene and protein expression were lower in groups V + aVEGF, S + aVEGF, and S than in V (all p < 0.05). Additionally, MMP-9 gene expression differed between groups S + aVEGF and V (p < 0.05) and MMP-9 activity was lower in S + aVEGF than in V and S (both p < 0.01). Levels of MMP-2 and NLRP3 were not significantly different between groups. Nutritional supplements either alone or combined with anti-VEGF may mitigate CNV development and inhibit retinal disease involving VEGF overexpression and CNV.
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Zhu L, He D, Han L, Cao H. Stroke Research in China over the Past Decade: Analysis of NSFC Funding. Transl Stroke Res 2015; 6:253-6. [DOI: 10.1007/s12975-015-0404-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2015] [Accepted: 05/06/2015] [Indexed: 12/11/2022]
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Lindsey JD, Duong-Polk KX, Hammond D, Leung CKS, Weinreb RN. Protection of injured retinal ganglion cell dendrites and unfolded protein response resolution after long-term dietary resveratrol. Neurobiol Aging 2015; 36:1969-81. [PMID: 25772060 DOI: 10.1016/j.neurobiolaging.2014.12.021] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 12/02/2014] [Accepted: 12/15/2014] [Indexed: 01/27/2023]
Abstract
Long-term dietary supplementation with resveratrol protects against cardiovascular disease, osteoporesis, and metabolic decline. This study determined how long-term dietary resveratrol treatment protects against retinal ganglion cell (RGC) dendrite loss after optic nerve injury and alters the resolution of the unfolded protein response. Associated changes in markers of endoplasmic reticulum stress in RGCs also were investigated. Young-adult Thy1-yellow fluorescent protein (YFP) and C57BL/6 mice received either control diet or diet containing resveratrol for approximately 1 year. Both groups then received optic nerve crush (ONC). Fluorescent RGC dendrites in the Thy1-YFP mice were imaged weekly for 4 weeks after ONC. There was progressive loss of dendrite length in all RGC types within the mice that received control diet. Resveratrol delayed loss of dendrite complexity and complete dendrite loss for most RGC types. However, there were variations in the rate of retraction among different RGC types. Three weeks after ONC, cytoplasmic binding immunoglobulin protein (BiP) suppression observed in control diet ganglion cell layer neurons was reversed in mice that received resveratrol, nuclear C/EBP homologous protein (CHOP) was near baseline in control diet eyes but was moderately increased by resveratrol; and increased nuclear X-box-binding protein-1 (XBP-1) observed in control diet eyes was reduced in eyes that received resveratrol to the same level as in control diet uncrushed eyes. These results indicate that protection of dendrites by resveratrol after ONC differs among RGC types and suggest that alterations in long-term expression of binding immunoglobulin protein, CHOP, and XBP-1 may contribute to the resveratrol-mediated protection of RGC dendrites after ONC.
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Affiliation(s)
- James D Lindsey
- Hamilton Glaucoma Center and Department of Ophthalmology, University of California-San Diego, La Jolla, CA, USA.
| | - Karen X Duong-Polk
- Hamilton Glaucoma Center and Department of Ophthalmology, University of California-San Diego, La Jolla, CA, USA
| | - Dustin Hammond
- Hamilton Glaucoma Center and Department of Ophthalmology, University of California-San Diego, La Jolla, CA, USA
| | | | - Robert N Weinreb
- Hamilton Glaucoma Center and Department of Ophthalmology, University of California-San Diego, La Jolla, CA, USA
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Kovacic JC, Moreno P, Hachinski V, Nabel EG, Fuster V. Cellular senescence, vascular disease, and aging: Part 1 of a 2-part review. Circulation 2015; 123:1650-60. [PMID: 21502583 DOI: 10.1161/circulationaha.110.007021] [Citation(s) in RCA: 129] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jason C Kovacic
- The Zena and Michael A. Wiener Cardiovascular Institute, Mount Sinai School of Medicine, New York, NY 10029, USA
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Girbovan C, Kent P, Merali Z, Plamondon H. Dose-related effects of chronic resveratrol administration on neurogenesis, angiogenesis, and corticosterone secretion are associated with improved spatial memory retention following global cerebral ischemia. Nutr Neurosci 2015; 19:352-368. [DOI: 10.1179/1476830515y.0000000020] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Park EJ, Pezzuto JM. The pharmacology of resveratrol in animals and humans. Biochim Biophys Acta Mol Basis Dis 2015; 1852:1071-113. [PMID: 25652123 DOI: 10.1016/j.bbadis.2015.01.014] [Citation(s) in RCA: 192] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2014] [Revised: 01/01/2015] [Accepted: 01/21/2015] [Indexed: 12/12/2022]
Abstract
In addition to thousands of research papers related to resveratrol (RSV), approximately 300 review articles have been published. Earlier research tended to focus on pharmacological activities of RSV related to cardiovascular systems, inflammation, and carcinogenesis/cancer development. More recently, the horizon has been broadened by exploring the potential effect of RSV on the aging process, diabetes, neurological dysfunction, etc. Herein, we primarily focus on the in vivo pharmacological effects of RSV reported over the past 5 years (2009-2014). In addition, recent clinical intervention studies performed with resveratrol are summarized. Some discrepancies exist between in vivo studies with animals and clinical studies, or between clinical studies, which are likely due to disparate doses of RSV, experimental settings, and subject variation. Nevertheless, many positive indications have been reported with mammals, so it is reasonable to advocate for the conduct of more definitive clinical studies. Since the safety profile is pristine, an added advantage is the use of RSV as a dietary supplement. This article is part of a Special Issue entitled: Resveratrol: Challenges in translating pre-clinical findings to improved patient outcomes.
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Affiliation(s)
- Eun-Jung Park
- The Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, HI 96720, USA
| | - John M Pezzuto
- The Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, HI 96720, USA.
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Chiba T, Yokotani K, Suzuki S, Itoh T, Umegaki K. Resveratrol Partially Suppresses Inflammatory Events but Does not Affect Stroke Onset in Stroke-Prone Spontaneously Hypertensive Rats. J Atheroscler Thromb 2015; 22:958-70. [DOI: 10.5551/jat.27789] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Tsuyoshi Chiba
- Information Center, National Institute of Health and Nutrition
| | - Kaori Yokotani
- Information Center, National Institute of Health and Nutrition
| | - Sachina Suzuki
- Information Center, National Institute of Health and Nutrition
| | - Tatsuki Itoh
- Department of Food Science and Nutrition, Kinki University Faculty of Agriculture
| | - Keizo Umegaki
- Information Center, National Institute of Health and Nutrition
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Paradells S, Zipancic I, Martínez-Losa MM, García Esparza MÁ, Bosch-Morell F, Alvarez-Dolado M, Soria JM. Lipoic acid and bone marrow derived cells therapy induce angiogenesis and cell proliferation after focal brain injury. Brain Inj 2014; 29:380-95. [PMID: 25384090 DOI: 10.3109/02699052.2014.973448] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
UNLABELLED Abstract Introduction: Traumatic brain injury is a main cause of disability and death in developed countries, above all among children and adolescents. The intrinsic inability of the central nervous system to efficiently repair traumatic injuries renders transplantation of bone marrow-derived cells (BMDC) a promising approach towards repair of brain lesions. On the other hand, many studies have reported the beneficial effect of Lipoic acid (LA), a potent antioxidant promoting cell survival, angiogenesis and neuroregeneration. METHODS In this study, the cortex of adult mice was cryo-injured in order to mimic local traumatic brain injury. Vehicle or freshly prepared BMDC were grafted in the cerebral penumbra area 24 hours after unilateral local injury alone or combined with intra-peritoneal LA administration as a new regenerative strategy. RESULTS Differences were found in the process of cell proliferation, angiogenesis and glial scar formation after local injury depending of the applied treatment, either LA or BMDC alone or in combination. CONCLUSION The data presented here suggest that transplantation of BMDC is a good alternative and valid strategy to treat a focal brain injury when LA could not be prescribed due to its non-desired secondary effects.
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Affiliation(s)
- Sara Paradells
- Departamento de Ciencias Biomédicas, Universidad CEU Cardenal Herrera , Moncada , Spain
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The sustained delivery of resveratrol or a defined grape powder inhibits new blood vessel formation in a mouse model of choroidal neovascularization. Molecules 2014; 19:17578-603. [PMID: 25361423 PMCID: PMC4313391 DOI: 10.3390/molecules191117578] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 10/20/2014] [Accepted: 10/22/2014] [Indexed: 12/21/2022] Open
Abstract
The objective of this study was to determine whether resveratrol or a defined, reconstituted grape powder can attenuate the formation of new blood vessels in a mouse model of choroidal neovascularization (CNV). To accomplish this objective, C57BL/6J mice were randomized into control or treatment groups which received either resveratrol or grape powder by daily oral gavage, resveratrol or grape powder delivered ad libitum through the drinking water, or resveratrol by slow release via implanted osmotic pumps. A laser was used to rupture Bruch’s membrane to induce CNV which was then detected in sclerochoroidal eyecups stained with antibodies against intercellular adhesion molecule-2. CNV area was measured using fluorescence microscopy and Image J software. Ad libitum delivery of both resveratrol and grape powder was shown to significantly reduce the extent of CNV by 68% and 57%, respectively. Parallel experiments conducted in vitro demonstrated that resveratrol activates p53 and inactivates Akt/protein kinase B in choroidal endothelial cells, contributing to its anti-proliferative and anti-migratory properties. In addition resveratrol was shown to inhibit the formation of endothelial cell networks, augmenting its overall anti-angiogenic effects. The non-toxic nature of resveratrol makes it an especially attractive candidate for the prevention and/or treatment of CNV.
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50
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Shah FA, Gim SA, Kim MO, Koh PO. Proteomic identification of proteins differentially expressed in response to resveratrol treatment in middle cerebral artery occlusion stroke model. J Vet Med Sci 2014; 76:1367-74. [PMID: 24998396 PMCID: PMC4221170 DOI: 10.1292/jvms.14-0169] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Resveratrol has a
neuroprotective effect against cerebral ischemia. The objective of this study was to
identify proteins that are differentially expressed in the cerebral cortex of vehicle- and
resveratrol-treated animals during ischemic injury. Focal cerebral ischemia was induced as
middle cerebral artery occlusion (MCAO) in male rats. Rats were treated with vehicle or
resveratrol before MCAO, and cerebral cortex was collected 24 hr after MCAO. Cerebral
cortex proteins were identified by two-dimensional gel electrophoresis and mass
spectrometry. Several proteins were identified as differentially expressed between
vehicle- and resveratrol-treated animals. Among these proteins, expression of
peroxiredoxin-5, isocitrate dehydrogenase [NAD+], apolipoprotein A-I and
ubiquitin carboxy terminal hydrolase L1 was decreased in the vehicle-treated group,
whereas resveratrol attenuated the injury-induced decrease in expression of these
proteins. However, expression of collapsing response mediator protein 2 was increased in
the vehicle-treated group, whereas resveratrol prevented the injury-induced increase in
the expression of this protein. These findings suggest that resveratrol modulates the
expression of various proteins that associated with oxidative stress and energy metabolism
in focal cerebral ischemia.
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Affiliation(s)
- Fawad-Ali Shah
- Department of Anatomy, College of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea
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