1
|
Huang LY, Zhang YD, Liu YN, Liang ZY, Chen J, Wang B, Yin QL, Wang PP, Wang W, Qi SH. Remote Ischemic Postconditioning-Mediated Neuroprotection against Stroke by Promoting Ketone Body-Induced Ferroptosis Inhibition. ACS Chem Neurosci 2024; 15:2223-2232. [PMID: 38634698 DOI: 10.1021/acschemneuro.4c00014] [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: 04/19/2024] Open
Abstract
Neuronal death resulting from ischemic stroke is the primary cause of adult mortality and disability, and effective neuroprotective agents for poststroke intervention are still lacking. Remote ischemic postconditioning (RIPostC) has demonstrated significant protective effects against ischemia in various organs; however, the specific mechanisms are not fully understood. This study investigated the potential neuroprotective mechanisms of RIPostC in the context of ischemic stroke. Using a rat model of middle cerebral artery occlusion, we found that RIPostC mitigated neurological damage, improved movement in the open-field test, and protected against neuronal apoptosis. In terms of energy metabolism, RIPostC enhanced ATP levels, suppressed lactate content, and increased the production of ketone bodies (KBs). In the ferroptosis assay, RIPostC protected against lipoperoxidation, reversed the reduction of glutathione peroxidase 4 (GPX4), and mitigated the excessive expression of long-chain acyl-CoA synthetase family member 4 (ACSL4). In oxygen-glucose deprivation/reoxygenation-treated HT22 cells, KBs maintained GPX4 levels, suppressed ACSL4 expression, and preserved the mitochondrial cristae number. However, the effect of KBs on the expression of GPX4, ACSL4, and the number of mitochondrial cristae was blocked by erastin. Moreover, both RIPostC and KBs reduced total iron and ferrous ion content by repressing iron transporters both in vitro and in vivo. In conclusion, KBs-induced mitigation of ferroptosis could represent a new therapeutic mechanism for RIPostC in treating stroke.
Collapse
Affiliation(s)
- Lin-Yan Huang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R China
| | - Yi-de Zhang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R China
- Xuzhou Central Hospital, Xuzhou 221000, P.R China
| | - Yi-Ning Liu
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R China
| | - Zhi-Yan Liang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R China
| | - Jie Chen
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R China
| | - Bin Wang
- Department of Laboratory Medicine, the Affiliated Hospital of Xuzhou Medical University, No.99 Huaihai West Road, Xuzhou 221000, P.R China
| | - Qi-Long Yin
- Department of Laboratory Medicine, the Affiliated Hospital of Xuzhou Medical University, No.99 Huaihai West Road, Xuzhou 221000, P.R China
- Pharmacology College, Xuzhou Medical University, Xuzhou 221004, P.R China
| | - Pei-Pei Wang
- Pharmacology College, Xuzhou Medical University, Xuzhou 221004, P.R China
| | - Wan Wang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R China
| | - Su-Hua Qi
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R China
| |
Collapse
|
2
|
Wang L, Gao F, Chen L, Sun W, Liu H, Yang W, Zhang X, Bai J, Wang R. Remote Ischemia Postconditioning Mitigates Hippocampal Neuron Impairment by Modulating Cav1.2-CaMKIIα-Aromatase Signaling After Global Cerebral Ischemia in Ovariectomized Rats. Mol Neurobiol 2024:10.1007/s12035-024-03930-1. [PMID: 38321351 DOI: 10.1007/s12035-024-03930-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/05/2024] [Indexed: 02/08/2024]
Abstract
Brain-derived estrogen (BDE2) is gaining attention as an endogenous neurotransmitter. Recent research has revealed that selectively removing the aromatase gene, the pivotal enzyme responsible for BDE2 synthesis, in forebrain neurons or astrocytes can lead to synaptic loss and cognitive impairment. It is worth noting that remote ischemia post-conditioning (RIP), a non-invasive technique, has been shown to activate natural protective mechanisms against severe ischemic events. The aim of our study was to investigate whether RIP triggers aromatase-BDE2 signaling, shedding light on its neuroprotective mechanisms after global cerebral ischemia (GCI) in ovariectomized rats. Our findings are as follows: (1) RIP was effective in mitigating ischemic damage in hippocampal CA1 neurons and improved cognitive function after GCI. This was partially due to increased Aro-BDE2 signaling in CA1 neurons. (2) RIP intervention efficiently enhanced pro-survival kinase pathways, such as AKT, ERK1/2, CREB, and suppressed CaMKIIα signaling in CA1 astrocytes induced by GCI. Remarkably, inhibiting CaMKIIα activity led to elevated Aro-BDE2 levels and replicated the benefits of RIP. (3) We also identified the positive mediation of Cav1.2, an LVGCC calcium channel, on CaMKIIα-Aro/BDE2 pathway response to RIP intervention. (4) Significantly, either RIP or CaMKIIα inhibition was found to alleviate reactive astrogliosis, which was accompanied by increased pro-survival A2-astrocyte protein S100A10 and decreased pro-death A1-astrocyte marker C3 levels. In summary, our study provides compelling evidence that Aro-BDE2 signaling is a critical target for the reparative effects of RIP following ischemic insult. This effect may be mediated through the CaV1.2-CaMKIIα signaling pathway, in collaboration with astrocyte-neuron interactions, thereby maintaining calcium homeostasis in the neuronal microenvironment and reducing neuronal damage after ischemia.
Collapse
Affiliation(s)
- Lu Wang
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, 063210, Hebei, China
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China
| | - Fujia Gao
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, 063210, Hebei, China
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China
| | - Lingling Chen
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, 063210, Hebei, China
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China
| | - Wuxiang Sun
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China
| | - Huiyu Liu
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, 063210, Hebei, China
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China
| | - Wei Yang
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, 063210, Hebei, China
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China
| | - Xin Zhang
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, 063210, Hebei, China
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China
| | - Jing Bai
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, 063210, Hebei, China
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China
| | - Ruimin Wang
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, 063210, Hebei, China.
- Dementia and Dyscognitive Key Lab., North China University of Science and Technology, International Science & Technology Cooperation Base of Geriatric Medicine of China, 21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210, Hebei, China.
- Hebei Key Laboratory of Occupational Health and Safety for Coal Industry, Tangshan, Hebei, China.
| |
Collapse
|
3
|
Baranova K, Nalivaeva N, Rybnikova E. Neuroadaptive Biochemical Mechanisms of Remote Ischemic Conditioning. Int J Mol Sci 2023; 24:17032. [PMID: 38069355 PMCID: PMC10707673 DOI: 10.3390/ijms242317032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/24/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
This review summarizes the currently known biochemical neuroadaptive mechanisms of remote ischemic conditioning. In particular, it focuses on the significance of the pro-adaptive effects of remote ischemic conditioning which allow for the prevention of the neurological and cognitive impairments associated with hippocampal dysregulation after brain damage. The neuroimmunohumoral pathway transmitting a conditioning stimulus, as well as the molecular basis of the early and delayed phases of neuroprotection, including anti-apoptotic, anti-oxidant, and anti-inflammatory components, are also outlined. Based on the close interplay between the effects of ischemia, especially those mediated by interaction of hypoxia-inducible factors (HIFs) and steroid hormones, the involvement of the hypothalamic-pituitary-adrenocortical system in remote ischemic conditioning is also discussed.
Collapse
Affiliation(s)
| | | | - Elena Rybnikova
- I. P. Pavlov Institute of Physiology, Russian Academy of Sciences, 199034 Saint Petersburg, Russia; (K.B.); (N.N.)
| |
Collapse
|
4
|
Zheng T, Huang Z, Ling H, Li J, Cheng H, Chen D, Lu Q, Zhao J, Su W. The mechanism of the Nfe2l2/Hmox1 signaling pathway in ferroptosis regulation in acute compartment syndrome. J Biochem Mol Toxicol 2023; 37:e23228. [PMID: 36193742 PMCID: PMC10078270 DOI: 10.1002/jbt.23228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 07/30/2022] [Accepted: 09/16/2022] [Indexed: 01/18/2023]
Abstract
Acute compartment syndrome (ACS) is a life-threatening orthopedic emergency, which can even result in amputation. Ferroptosis is an iron-dependent form of nonapoptotic cell death. This study investigated the mechanism of ferroptosis in ACS, explored candidate markers, and determined effective treatments. This study identified pathways involved in the development of ACS through gene set enrichment analysis (GSEA), Gene Ontology, Kyoto Encyclopedia of Genes and Genomes (KEGG), and GSEA of heme oxygenase 1 (Hmox1). Bioinformatics methods, combined with real-time quantitative polymerase chain reaction, western blot analysis, and iron staining, were applied to determine whether ferroptosis was involved in the progression of ACS and to explore the mechanism of nuclear factor erythroid-2-related factor 2 (Nfe2l2)/Hmox1 in ferroptosis regulation. Optimal drugs for the treatment of ACS were also investigated using Connectivity Map. The ferroptosis pathway was enriched in GSEA, KEGG of DEGs, and GSEA of Hmox1. After ACS, the reactive oxygen species content, tissue iron content, and oxidative stress level increased, whereas glutathione peroxidase 4 protein expression decreased. The skeletal muscle was swollen and necrotized; the number of mitochondrial cristae became fewer or even disappeared, and Nfe2l2/Hmox1 expression increased at the transcriptional and protein levels. Hmox1 was highly expressed in ACS, indicating that Hmox1 is a possible marker for ACS. we could predict 12 potential target drugs for the treatment of ACS. In conclusion, Hmox1 was a potential candidate marker for ACS diagnosis. Ferroptosis was involved in the progression of ACS. It was speculated that ferroptosis is inhibited by the Nfe2l2/Hmox1 signaling pathway.
Collapse
Affiliation(s)
- Tiejun Zheng
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China
| | - Zhao Huang
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China
| | - He Ling
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China
| | - Junfeng Li
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China
| | - Hong Cheng
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China
| | - Dingquan Chen
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China
| | - Qinzhen Lu
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China
| | - Jinmin Zhao
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China.,Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, Guangxi, China
| | - Wei Su
- Department of Orthopaedic Traumatology and Hand Surgery, The First Affiliated Hospital to Guangxi Medical University, Nanning, Guangxi, China
| |
Collapse
|
5
|
Hepatoprotective Effects of Radish ( Raphanus sativus L.) on Acetaminophen-Induced Liver Damage via Inhibiting Oxidative Stress and Apoptosis. Nutrients 2022; 14:nu14235082. [PMID: 36501112 PMCID: PMC9737327 DOI: 10.3390/nu14235082] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/31/2022] [Accepted: 11/09/2022] [Indexed: 12/03/2022] Open
Abstract
Alcohol and drug overdoses cause liver diseases such as cirrhosis, hepatitis, and liver cancer globally. In particular, an overdose of acetaminophen (APAP), which is generally used as an analgesic and antipyretic agent, is a major cause of acute hepatitis, and cases of APAP-induced liver damage are steadily increasing. Potential antioxidants may inhibit the generation of free radicals and prevent drug-induced liver damage. Among plant-derived natural materials, radishes (RJ) and turnips (RG) have anti-inflammatory, anticancer, and antioxidant properties due to the presence of functional ingredients, such as glucosinolate and isothiocyanate. Although various functions have been reported, in vivo studies on the antioxidant activity of radishes are insufficient. Therefore, we aim to evaluate the hepatoprotective effects of RG and RJ in APAP-induced liver-damaged mice. RG and RJ extracts markedly improved the histological status, such as inflammation and infiltration, of mice liver tissue, significantly decreased the levels of alanine transaminase, aspartate aminotransferase, and malondialdehyde, and significantly increased the levels of glutathione, superoxide dismutase and catalase in the APAP-induced liver-damaged mice. In addition, RG and RJ extracts significantly increased the expression of Nrf-2 and HO-1, which are antioxidative-related factors, and regulated the BAX and BCL-2, thereby showing anti-apoptosis activity. These results indicated that RG and RJ extracts protected mice against acute liver injury, attributed to a reduction in both oxidative stress and apoptosis. These findings have clinical implications for the use of RG and RJ extracts as potential natural candidates for developing hepatoprotective agents.
Collapse
|
6
|
The Role of Plasma Extracellular Vesicles in Remote Ischemic Conditioning and Exercise-Induced Ischemic Tolerance. Int J Mol Sci 2022; 23:ijms23063334. [PMID: 35328755 PMCID: PMC8951333 DOI: 10.3390/ijms23063334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 02/04/2023] Open
Abstract
Ischemic conditioning and exercise have been suggested for protecting against brain ischemia-reperfusion injury. However, the endogenous protective mechanisms stimulated by these interventions remain unclear. Here, in a comprehensive translational study, we investigated the protective role of extracellular vesicles (EVs) released after remote ischemic conditioning (RIC), blood flow restricted resistance exercise (BFRRE), or high-load resistance exercise (HLRE). Blood samples were collected from human participants before and at serial time points after intervention. RIC and BFRRE plasma EVs released early after stimulation improved viability of endothelial cells subjected to oxygen-glucose deprivation. Furthermore, post-RIC EVs accumulated in the ischemic area of a stroke mouse model, and a mean decrease in infarct volume was observed for post-RIC EVs, although not reaching statistical significance. Thus, circulating EVs induced by RIC and BFRRE can mediate protection, but the in vivo and translational effects of conditioned EVs require further experimental verification.
Collapse
|
7
|
Torres-Querol C, Quintana-Luque M, Arque G, Purroy F. Preclinical evidence of remote ischemic conditioning in ischemic stroke, a metanalysis update. Sci Rep 2021; 11:23706. [PMID: 34887465 PMCID: PMC8660795 DOI: 10.1038/s41598-021-03003-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 11/12/2021] [Indexed: 01/13/2023] Open
Abstract
Remote ischemic conditioning (RIC) is a promising therapeutic approach for ischemic stroke patients. It has been proven that RIC reduces infarct size and improves functional outcomes. RIC can be applied either before ischemia (pre-conditioning; RIPreC), during ischemia (per-conditioning; RIPerC) or after ischemia (post-conditioning; RIPostC). Our aim was to systematically determine the efficacy of RIC in reducing infarct volumes and define the cellular pathways involved in preclinical animal models of ischemic stroke. A systematic search in three databases yielded 50 peer-review articles. Data were analyzed using random effects models and results expressed as percentage of reduction in infarct size (95% CI). A meta-regression was also performed to evaluate the effects of covariates on the pooled effect-size. 95.3% of analyzed experiments were carried out in rodents. Thirty-nine out of the 64 experiments studied RIPostC (61%), sixteen examined RIPreC (25%) and nine tested RIPerC (14%). In all studies, RIC was shown to reduce infarct volume (- 38.36%; CI - 42.09 to - 34.62%) when compared to controls. There was a significant interaction caused by species. Short cycles in mice significantly reduces infarct volume while in rats the opposite occurs. RIPreC was shown to be the most effective strategy in mice. The present meta-analysis suggests that RIC is more efficient in transient ischemia, using a smaller number of RIC cycles, applying larger length of limb occlusion, and employing barbiturates anesthetics. There is a preclinical evidence for RIC, it is safe and effective. However, the exact cellular pathways and underlying mechanisms are still not fully determined, and its definition will be crucial for the understanding of RIC mechanism of action.
Collapse
Affiliation(s)
- Coral Torres-Querol
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida), Lleida, Spain
| | - Manuel Quintana-Luque
- Epilepsy Unit, Neurology Department, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Gloria Arque
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida), Lleida, Spain
- Experimental Medicine Department, Universitat de Lleida, Lleida, Spain
| | - Francisco Purroy
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida), Lleida, Spain.
- Medicine Department, Universitat de Lleida, Institut de Recerca Biomèdica de Lleida (IRBLleida), Lleida, Spain.
- Stroke Unit, Department of Neurology, Universitat de Lleida, Hospital Universitari Arnau de Vilanova, Clinical Neurosciences Group IRBLleida, Avda Rovira Roure 80, 25198, Lleida, Spain.
| |
Collapse
|
8
|
Mollet I, Marto JP, Mendonça M, Baptista MV, Vieira HLA. Remote but not Distant: a Review on Experimental Models and Clinical Trials in Remote Ischemic Conditioning as Potential Therapy in Ischemic Stroke. Mol Neurobiol 2021; 59:294-325. [PMID: 34686988 PMCID: PMC8533672 DOI: 10.1007/s12035-021-02585-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 09/29/2021] [Indexed: 12/19/2022]
Abstract
Stroke is one of the main causes of neurological disability worldwide and the second cause of death in people over 65 years old, resulting in great economic and social burden. Ischemic stroke accounts for 85% of total cases, and the approved therapies are based on re-establishment of blood flow, and do not directly target brain parenchyma. Thus, novel therapies are urgently needed. In this review, limb remote ischemic conditioning (RIC) is revised and discussed as a potential therapy against ischemic stroke. The review targets both (i) fundamental research based on experimental models and (ii) clinical research based on clinical trials and human interventional studies with healthy volunteers. Moreover, it also presents two approaches concerning RIC mechanisms in stroke: (i) description of the underlying cerebral cellular and molecular mechanisms triggered by limb RIC that promote neuroprotection against stroke induced damage and (ii) the identification of signaling factors involved in inter-organ communication following RIC procedure. Limb to brain remote signaling can occur via circulating biochemical factors, immune cells, and/or stimulation of autonomic nervous system. In this review, these three hypotheses are explored in both humans and experimental models. Finally, the challenges involved in translating experimentally generated scientific knowledge to a clinical setting are also discussed.
Collapse
Affiliation(s)
- Inês Mollet
- UCIBIO, Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Campus de Caparica, 2829-526, Caparica, Portugal.,CEDOC, Faculdade de Ciências Médicas/NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - João Pedro Marto
- CEDOC, Faculdade de Ciências Médicas/NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal.,Department of Neurology, Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
| | - Marcelo Mendonça
- CEDOC, Faculdade de Ciências Médicas/NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal.,Champalimaud Research, Champalimaud Center for the Unknown, Lisbon, Portugal
| | - Miguel Viana Baptista
- CEDOC, Faculdade de Ciências Médicas/NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal.,Department of Neurology, Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
| | - Helena L A Vieira
- UCIBIO, Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Campus de Caparica, 2829-526, Caparica, Portugal. .,CEDOC, Faculdade de Ciências Médicas/NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal. .,Associate Laboratory i4HB - Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, Caparica, Portugal.
| |
Collapse
|
9
|
Chen G, Zhang J, Sheng M, Zhang S, Wu Q, Liu L, Yu B, Kou J. Serum of limb remote ischemic postconditioning inhibits fMLP-triggered activation and reactive oxygen species releasing of rat neutrophils. Redox Rep 2021; 26:176-183. [PMID: 34663202 PMCID: PMC8530488 DOI: 10.1080/13510002.2021.1982515] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Objectives The study explores the protective role of the peripheral serum of limb remote ischemic postconditioning (LRIP) in reducing the reactive oxygen species (ROS) levels and neutrophil activation, which are responsible for the deleterious reperfusion injury. Methods LRIP was induced in Sprague–Dawley rats by three cycles of 5 min occlusion /5 min reperfusion on the left hind limb. The blood samples were collected before LRIP or 0 and 1 h after LRIP (named SerumSham, SerumLRIP0, SerumLRIP1, respectively). The effects of LRIP serum on ROS level and neutrophils activation were determined. The expression of MyD88-TRAF6-MAPKs and PI3K/AKT pathways in neutrophils were examined. Results When compared with SerumSham, SerumLRIP0 and SerumLRIP1 significantly reduced the ROS released from neutrophils activated by fMLP. Meanwhile, the mRNA expression levels of NADPH oxidase subunit p22phox and multiple ROS-producing related key proteins, such as NADPH oxidase subunit p47phox ser 304, ser 345. MyD88, p-ERK, p-JNK and p-P38 expression of neutrophils were downregulated by SerumLRIP0 and SerumLRIP1. SerumLRIP1 also downregulated p47phox mRNA expression and tumor necrosis factor receptor-associated factor 6 (TRAF6) protein expression. Conclusion LRIP serum protects against ROS level and neutrophils activation involving the MyD88-TRAF6-MAPKs. This finding provides new insight into the understanding of LRIP mechanisms.
Collapse
Affiliation(s)
- Gangling Chen
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China.,State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Chinese Material Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Jiangwei Zhang
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China.,State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Chinese Material Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Mingyue Sheng
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China.,State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Chinese Material Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Sanli Zhang
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China.,State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Chinese Material Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Qi Wu
- State Key Laboratory of Natural Medicines, Research Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Lei Liu
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Boyang Yu
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China.,State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Chinese Material Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Junping Kou
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China.,State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Chinese Material Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| |
Collapse
|
10
|
Li CY, Ma W, Liu KP, Yang JW, Wang XB, Wu Z, Zhang T, Wang JW, Liu W, Liu J, Liang Y, Zhang XK, Li JJ, Guo JH, Li LY. Advances in intervention methods and brain protection mechanisms of in situ and remote ischemic postconditioning. Metab Brain Dis 2021; 36:53-65. [PMID: 33044640 DOI: 10.1007/s11011-020-00562-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 03/05/2020] [Indexed: 01/01/2023]
Abstract
Ischemic postconditioning (PostC) conventionally refers to a series of brief blood vessel occlusions and reperfusions, which can induce an endogenous neuroprotective effect and reduce cerebral ischemia/reperfusion (I/R) injury. Depending on the site of adaptive ischemic intervention, PostC can be classified as in situ ischemic postconditioning (ISPostC) and remote ischemic postconditioning (RIPostC). Many studies have shown that ISPostC and RIPostC can reduce cerebral IS injury through protective mechanisms that increase cerebral blood flow after reperfusion, decrease antioxidant stress and anti-neuronal apoptosis, reduce brain edema, and regulate autophagy as well as Akt, MAPK, PKC, and KATP channel cell signaling pathways. However, few studies have compared the intervention methods, protective mechanisms, and cell signaling pathways of ISPostC and RIPostC interventions. Thus, in this article, we compare the history, common intervention methods, neuroprotective mechanisms, and cell signaling pathways of ISPostC and RIPostC.
Collapse
Affiliation(s)
- Chun-Yan Li
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Wei Ma
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Kuang-Pin Liu
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Jin-Wei Yang
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming, 650032, Yunnan, China
| | - Xian-Bin Wang
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Zhen Wu
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming, 650032, Yunnan, China
| | - Tong Zhang
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming, 650032, Yunnan, China
| | - Jia-Wei Wang
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming, 650032, Yunnan, China
| | - Wei Liu
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Jie Liu
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Yu Liang
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Xing-Kui Zhang
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Jun-Jun Li
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Jian-Hui Guo
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming, 650032, Yunnan, China.
| | - Li-Yan Li
- Institute of Neuroscience, Kunming Medical University, Kunming, 650500, Yunnan, China.
| |
Collapse
|
11
|
Park E, McCutcheon V, Telliyan T, Liu E, Eisen R, Kinio A, Tavakkoli J, Baker AJ. Remote ischemic conditioning improves outcome independent of anesthetic effects following shockwave-induced traumatic brain injury. IBRO Rep 2020; 8:18-27. [PMID: 31909289 PMCID: PMC6939039 DOI: 10.1016/j.ibror.2019.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 12/06/2019] [Indexed: 12/21/2022] Open
Abstract
Traumatic brain injury due to primary blast exposure is a major cause of ongoing neurological and psychological impairment in soldiers and civilians. Animal and human evidence suggests that low-level blast exposure is capable of inducing white matter injury and behavioural deficits. There are currently no effective therapies to treat the underlying suspected pathophysiology of low-level primary blast or concussion. Remote ischemic conditioning (RIC) has been shown to have cardiac, renal and neuro-protective effects in response to brief cycles of ischemia. Here we examined the effects of RIC in two models of blast injury. We used a model of low-level primary blast in rats to evaluate the effects of RIC neurofilament expression. We subsequently used a model of traumatic brain injury in adult zebrafish using pulsed high intensity focused ultrasound (pHIFU) to evaluate the effects of RIC on behavioural outcome and apoptosis in a post-traumatic setting. In blast exposed rats, RIC pretreatment modulated NF200 expression suggesting an innate biological buffering effect. In zebrafish, behavioural deficits and apoptosis due to pHIFU-induced brain injury were reduced following administration of serum derived from RIC rats. The results in the zebrafish model demonstrate the humoral effects of RIC independent of anesthetic effects that were observed in the rat model of injury. Our results indicate that RIC is effective in improving outcome following modeled brain trauma in pre- and post-injury paradigms. The results suggest a potential role for innate biological systems in the protection against pathophysiological processes associated with impairment following shockwave induced trauma.
Collapse
Affiliation(s)
- Eugene Park
- Keenan Research Centre in the Li Ka Shing Knowledge Institute at St. Michael's Hospital, Canada
| | - Victoria McCutcheon
- Keenan Research Centre in the Li Ka Shing Knowledge Institute at St. Michael's Hospital, Canada.,Institute of Medical Sciences, University of Toronto, Canada
| | - Tamar Telliyan
- Keenan Research Centre in the Li Ka Shing Knowledge Institute at St. Michael's Hospital, Canada
| | - Elaine Liu
- Keenan Research Centre in the Li Ka Shing Knowledge Institute at St. Michael's Hospital, Canada
| | - Rebecca Eisen
- Keenan Research Centre in the Li Ka Shing Knowledge Institute at St. Michael's Hospital, Canada
| | - Anna Kinio
- Keenan Research Centre in the Li Ka Shing Knowledge Institute at St. Michael's Hospital, Canada
| | - Jahan Tavakkoli
- Keenan Research Centre in the Li Ka Shing Knowledge Institute at St. Michael's Hospital, Canada.,Department of Physics, Ryerson University, Canada
| | - Andrew J Baker
- Keenan Research Centre in the Li Ka Shing Knowledge Institute at St. Michael's Hospital, Canada.,Institute of Medical Sciences, University of Toronto, Canada.,Departments of Anesthesia & Surgery, University of Toronto, Canada
| |
Collapse
|
12
|
Qin C, Yan X, Jin H, Zhang R, He Y, Sun X, Zhang Y, Guo ZN, Yang Y. Effects of Remote Ischemic Conditioning on Cerebral Hemodynamics in Ischemic Stroke. Neuropsychiatr Dis Treat 2020; 16:283-299. [PMID: 32021218 PMCID: PMC6988382 DOI: 10.2147/ndt.s231944] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 12/16/2019] [Indexed: 12/15/2022] Open
Abstract
Ischemic stroke is one of the most common cerebrovascular diseases and is the leading cause of disability all over the world. It is well known that cerebral blood flow (CBF) is disturbed or even disrupted when ischemic stroke happens. The imbalance between demand and shortage of blood supply makes ischemic stroke take place or worsen. The search for treatments that can preserve CBF, especially during the acute phase of ischemic stroke, has become a research hotspot. Animal and clinical experiments have proven that remote ischemic conditioning (RIC) is a beneficial therapeutic strategy for the treatment of ischemic stroke. However, the mechanism by which RIC affects CBF has not been fully understood. This review aims to discuss several possible mechanisms of RIC on the cerebral hemodynamics in ischemic stroke, such as the improvement of cardiac function and collateral circulation of cerebral vessels, the protection of neurovascular units, the formation of gas molecules, the effect on the function of vascular endothelial cells and the nervous system. RIC has the potential to become a therapeutic treatment to improve CBF in ischemic stroke. Future studies are needed to highlight our understanding of RIC as well as accelerate its clinical translation.
Collapse
Affiliation(s)
- Chen Qin
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Xiuli Yan
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Hang Jin
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Ruyi Zhang
- Department of Cardiovascular Center, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Yaode He
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Xin Sun
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Yihe Zhang
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Zhen-Ni Guo
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China.,Clinical Trial and Research Center for Stroke, Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Yi Yang
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China.,Clinical Trial and Research Center for Stroke, Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| |
Collapse
|
13
|
Melatonin Increases Bone Mass around the Prostheses of OVX Rats by Ameliorating Mitochondrial Oxidative Stress via the SIRT3/SOD2 Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:4019619. [PMID: 31110599 PMCID: PMC6487111 DOI: 10.1155/2019/4019619] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 02/05/2019] [Indexed: 12/11/2022]
Abstract
Bone mass loss around prostheses is a major cause of implant failure, especially in postmenopausal osteoporosis patients. In osteoporosis, excess oxidative stress largely contributed abnormal bone remodeling. Melatonin, which is synthesized from the pineal gland, promotes osteoblast differentiation and bone formation and has effectively been used to combat oxidative stress. Thus, we determined if melatonin can inhibit oxidative stress to promote osteogenesis and improve bone mass around prostheses in osteoporosis. In this study, we observed that received melatonin at 50 mg/kg body weight significantly increased periprosthetic bone mass as well as implant fixation intensity in ovariectomized (OVX) rats. Meanwhile, it decreased the expression of oxidative stress markers (NAPDH oxidase 2 and cytochrome c) and enhanced expressing level of the formation markers of bones (alkaline phosphatase, osteocalcin, and osterix) around prostheses compared to that in the control group. Additionally, melatonin decreased hydrogen peroxide- (H2O2-) induced oxidative stress and restored the osteogenesis potential of MC3T3-E1 cells. Mechanistically, melatonin clearly increased mitochondrial sirtuin 3 (SIRT3) expression and decreased the ratio of acetylated superoxide dismutase 2 (AC-SOD2)/SOD2 compared to the H2O2 group. SIRT3 inhibition counteracted the protective effects of melatonin on oxidative stress and bone formation. Together, the results showed that melatonin ameliorated oxidative stress in mitochondrial via the SIRT3/SOD2 signaling pathway, thereby promoting osteogenesis, improving bone mass around the prostheses, and increasing initial stability. Thus, melatonin might be a suitable candidate to decrease the rate of implant failure and lengthen the lifespan of prostheses after total joint arthroplasty.
Collapse
|
14
|
Doeppner TR, Zechmeister B, Kaltwasser B, Jin F, Zheng X, Majid A, Venkataramani V, Bähr M, Hermann DM. Very Delayed Remote Ischemic Post-conditioning Induces Sustained Neurological Recovery by Mechanisms Involving Enhanced Angioneurogenesis and Peripheral Immunosuppression Reversal. Front Cell Neurosci 2018; 12:383. [PMID: 30420796 PMCID: PMC6216109 DOI: 10.3389/fncel.2018.00383] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 10/08/2018] [Indexed: 01/06/2023] Open
Abstract
Ischemic conditioning is defined as a transient and subcritical period of ischemia integrated in an experimental paradigm that involves a stimulus of injurious ischemia, activating endogenous tissue repair mechanisms that lead to cellular protection under pathological conditions like stroke. Whereas ischemic pre-conditioning is irrelevant for stroke treatment, ischemic post-conditioning, and especially non-invasive remote ischemic post-conditioning (rPostC) is an innovative and potential strategy for stroke treatment. Although rPostC has been shown to induce neuroprotection in stroke models before, resulting in some clinical trials on the way, fundamental questions with regard to its therapeutic time frame and its underlying mechanisms remain elusive. Hence, we herein used a model of non-invasive rPostC of hind limbs after cerebral ischemia in male C57BL6 mice, studying the optimal timing for the application of rPostC and its underlying mechanisms for up to 3 months. Mice undergoing rPostC underwent three different paradigms, starting with the first cycle of rPostC 12 h, 24 h, or 5 days after stroke induction, which is a very delayed time point of rPostC that has not been studied elsewhere. rPostC as applied within 24 h post-stroke induces reduction of infarct volume on day three. On the contrary, very delayed rPostC does not yield reduction of infarct volume on day seven when first applied on day five, albeit long-term brain injury is significantly reduced. Likewise, very delayed rPostC yields sustained neurological recovery, whereas early rPostC (i.e., <24 h) results in transient neuroprotection only. The latter is mediated via heat shock protein 70 that is a well-known signaling protein involved in the pathophysiological cellular cascade of cerebral ischemia, leading to decreased proteasomal activity and decreased post-stroke inflammation. Very delayed rPostC on day five, however, induces a pleiotropic effect, among which a stimulation of angioneurogenesis, a modulation of the ischemic extracellular milieu, and a reversal of the stroke-induced immunosuppression occur. As such, very delayed rPostC appears to be an attractive tool for future adjuvant stroke treatment that deserves further preclinical attention before large clinical trials are in order, which so far have predominantly focused on early rPostC only.
Collapse
Affiliation(s)
- Thorsten R Doeppner
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Bozena Zechmeister
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Britta Kaltwasser
- Department of Neurology, University Duisburg-Essen Medical School, Essen, Germany
| | - Fengyan Jin
- Cancer Center, The First Hospital of Jilin University, Changchun, China
| | - Xuan Zheng
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Arshad Majid
- Sheffield Institute for Translational Neuroscience, University of Sheffield, Sheffield, United Kingdom
| | - Vivek Venkataramani
- Department of Hematology & Oncology, University Medical Center Göttingen, Göttingen, Germany.,Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany
| | - Mathias Bähr
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Dirk M Hermann
- Department of Neurology, University Duisburg-Essen Medical School, Essen, Germany
| |
Collapse
|
15
|
Liu C, Yang J, Zhang C, Geng X, Zhao H. The changes of systemic immune responses during the neuroprotection induced by remote ischemic postconditioning against focal cerebral ischemia in mice. Neurol Res 2018; 41:26-36. [PMID: 30281410 DOI: 10.1080/01616412.2018.1523037] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Cuiying Liu
- China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Jian Yang
- China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Chencheng Zhang
- China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Xiaokun Geng
- China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Heng Zhao
- Department of Neurosurgery, Stanford University, Stanford, CA, USA
| |
Collapse
|
16
|
Zhang W, Liu X, Li Q. Protective Effects of Oleuropein Against Cerebral Ischemia/Reperfusion by Inhibiting Neuronal Apoptosis. Med Sci Monit 2018; 24:6587-6598. [PMID: 30230477 PMCID: PMC6158998 DOI: 10.12659/msm.912336] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND In this study, we investigated the potential neuroprotective effect of oleuropein (OLE) on apoptotic changes via modulating Akt/glycogen synthase kinase 3 beta (Akt/GSK-3b) signaling in a rat model of cerebral ischemia/reperfusion injury (IRI). MATERIAL AND METHODS Sprague-Dawley male rats (12 weeks, n=200) were randomly assigned to 5 groups: sham group, vehicle (IRI+ vehicle) group, OLE (IRI+OLE) group, OLE+LY294002 (IRI+OLE+LY294002) group, and LY294002(IRI+LY294002) group. The rats were subjected to cerebral ischemia/reperfusion injury (IRI) model and treated once daily for 5 days with vehicle and OLE (100 mg/kg via intraperitoneal injection) after IRI injury. LY294002 (0.3 mg/kg) was intraperitoneally injected once at 30 min after IRI injury. Brain edema, neurological deficit, rotarod latencies, and Morris water maze (MWM) performance were evaluated after IRI. The number of dead cells were assayed by TUNEL staining. Western blot was used to detect the expression of Bcl-2, Bax, cleaved caspase-3 (CC3), neurotrophic factors, and the phosphorylation levels of Akt and GSK-3β. RESULTS Compared with the vehicle group, brain water content, neurological deficits, rotarod latencies, and escape latency following IRI were reduced in the OLE group. Cell apoptosis and reduced neurotrophic factor caused by IRI was also attenuated by OLE. Furthermore, increased p-Akt and decreased p-GSK-3β were caused by OLE, which were associated with decrease of Bax/Bcl-2 ratio and the suppression of Caspase-3 activity after IRI. Importantly, all the beneficial effects of OLE in the vehicle group were abrogated by PI3K inhibitor LY294002. CONCLUSIONS Cerebral ischemia was protected by OLE via suppressing apoptosis through the Akt/GSK-3β pathway and upregulating neurotrophic factor after IRI.
Collapse
Affiliation(s)
- Weijing Zhang
- Department of Nursing, Tangshan Gongren Hospital, Tangshan, Hebei, China (mainland)
| | - Xiaogang Liu
- Department of Hepatobiliary Surgery, Tangshan Gongren Hospital, Tangshan, Hebei, China (mainland)
| | - Qiuyue Li
- Department of Nursing, Tangshan Gongren Hospital, Tangshan, Hebei, China (mainland)
| |
Collapse
|
17
|
Hydroxysafflor yellow A protects against angiotensin II‑induced hypertrophy. Mol Med Rep 2018; 18:3649-3656. [PMID: 30132539 PMCID: PMC6131570 DOI: 10.3892/mmr.2018.9399] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 06/25/2018] [Indexed: 12/12/2022] Open
Abstract
Myocardial infarction (MI) is life-threatening and is generally accompanied by myocardial hypertrophy. Notably, Hydroxysafflor yellow A (HSYA) can prevent tissue injuries. The objective of this study was to investigate the effect of HSYA on hypertrophy after MI. Hematoxylin and eosin (H&E) staining assays were performed to measure cell area. The protein synthesis rate was assessed using the 3H Leucine incorporation assay. Reverse transcription-quantitative polymerase chain reaction (RT-qPCR), western blot analysis and the immunohistochemical assay were used to detect the expression of target genes. The activity of superoxide dismutase (SOD), malondialdehyde (MDA) and the reactive oxygen species (ROS) generation were examined using commercial kits. Decreased myocardial hypertrophy was observed in animals treated with HSYA. Furthermore, the expression of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) was higher in HSYA administration groups compared with that in the MI model group. In H9c2 cardiomyocytes, the pretreatment with HSYA increased the cell viability, however, it reduced protein synthesis rate, mitigated cell surface area and decreased the expression of Brain natriuretic factor (BNP) and β-myosin heavy chain (β-MHC). By contrast, the downregulation of Nrf2 deteriorated and reversed the effect of Ang II and HSYA. Furthermore, oxidative stress was alleviated by HSYA via inhibiting ROS generation, modulating the activities of SOD and MDA. In addition, the expression of NAD(P)H:quinone oxidoreductase 1 (NQO1) and heme oxygenase-1 (HO-1) were recovered by the pretreatment of HSYA that was combated by siNrf2. In conclusion, HSYA exerted anti-hypertrophic effects, which was pertinent with the activation of Nrf2/NQO-1/HO-1 signaling pathway. The findings of this study may inspire a novel strategy to combat MI.
Collapse
|
18
|
Wang Y, Zhang Z, Zhang L, Yang H, Shen Z. RLIPostC protects against cerebral ischemia through improved synaptogenesis in rats. Brain Inj 2018; 32:1429-1436. [PMID: 30036110 DOI: 10.1080/02699052.2018.1483029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Remote limb ischemic post-conditioning (RLIPostC) has been shown to be neuroprotective in cerebral ischemia, whereas the effect of RLIPostC on synaptogenesis remains elusive. In the present study, we investigated the effects of RLIPostC on synaptogenesis in an experimental stroke rat model. METHODS Sprague-Dawley rats were subjected to left middle cerebral artery occlusion (MCAO) and were randomly divided into a control group, an RLIPostC group and a sham group. The RLIPostC group received three cycles of RLIPostC treatment immediately after reperfusion (ten minutes ischemia and ten minutes reperfusion in bilateral femoral artery). The neurological function was assessed by neurological deficit scores and the foot fault test at days 7 and 14 after MCAO. At day 14 after MCAO, the infarct volume and oedema were determined by cresyl violet (CV) staining and by measuring brain water content, respectively. Synaptogenesis was evaluated by western blotting and immunofluorescence staining. RESULTS Our results showed that RLIPostC treatment significantly promoted the recovery of behavioural function, reduced infarct volume and brain oedema, and increased the expressions of SYN1, PSD95 and GAP43. CONCLUSIONS These results confirmed that RLIPostC treatment for cerebral ischemia was safe and effective. A possible molecular mechanism of the beneficial effects of RLIPostC treatment may be the promotion of synaptogenesis.
Collapse
Affiliation(s)
- Yingli Wang
- a School of Pharmacentical Sciences & Yunnan Provincal Key Laboratory of Pharmacology for Natural Products , Kunming Medical University , Kunming , China.,b Department of Emergency and Critical Medicine , Yichang Central People's Hospital , Yichang , China
| | - Zhaohui Zhang
- b Department of Emergency and Critical Medicine , Yichang Central People's Hospital , Yichang , China
| | - Lei Zhang
- a School of Pharmacentical Sciences & Yunnan Provincal Key Laboratory of Pharmacology for Natural Products , Kunming Medical University , Kunming , China.,b Department of Emergency and Critical Medicine , Yichang Central People's Hospital , Yichang , China
| | - Haoran Yang
- a School of Pharmacentical Sciences & Yunnan Provincal Key Laboratory of Pharmacology for Natural Products , Kunming Medical University , Kunming , China
| | - Zhiqiang Shen
- a School of Pharmacentical Sciences & Yunnan Provincal Key Laboratory of Pharmacology for Natural Products , Kunming Medical University , Kunming , China
| |
Collapse
|
19
|
Guo H, Zhao L, Wang B, Li X, Bai H, Liu H, Yue L, Guo W, Bian Z, Gao L, Feng D, Qu Y. Remote limb ischemic postconditioning protects against cerebral ischemia-reperfusion injury by activating AMPK-dependent autophagy. Brain Res Bull 2018; 139:105-113. [PMID: 29452253 DOI: 10.1016/j.brainresbull.2018.02.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 01/26/2018] [Accepted: 02/09/2018] [Indexed: 11/16/2022]
Abstract
Remote limb ischemic postconditioning (RIPoC) is a promising adjunct treatment for cerebral ischemia-reperfusion (IR) injury. However, the underlying mechanisms have not been fully elucidated yet. The present study aims to investigate potential involvement and regulatory mechanisms of autophagy in RIPoC treatment against cerebral IR injury in mice. Mice were subjected to 2 h middle cerebral artery occlusion (MCAO) then treated with vehicle, 3-methyladenine (3-MA, an autophagy inhibitor), or compound C (an AMPK inhibitor) at the onset of reperfusion. RIPoC was carried out by 3 cycles of 10-min occlusion-reperfusion of bilateral femoral artery at the beginning of the reperfusion. Infarct volume, neurological score, and brain water content of the mice were assessed after 12 h reperfusion. Autophagy markers, cell apoptosis markers, and AMPK pathway activity were also evaluated. Our results indicated that RIPoC treatment reduced neurological deficits, brain water content, and infarct volume after IR. Meanwhile, RIPoC was proved to induce autophagy and activate AMPK pathway. Furthermore, the RIPoC-induced autophagy and neuroprotection were abolished by 3-MA and partially blocked by compound C. In conclusion, the present study suggests that RIPoC attenuates cerebral IR injury by activating AMPK-dependent autophagy.
Collapse
Affiliation(s)
- Hao Guo
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Lei Zhao
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Bodong Wang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China; Department of Neurosurgery, Jinan Military General Hospital, Jinan 250031, China
| | - Xia Li
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Hao Bai
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Haixiao Liu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Liang Yue
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China; Department of Neurosurgery, Xi'an Aerospace General Hospital, Xi'an 710100, China
| | - Wei Guo
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Zhenyuan Bian
- Department of Hepatobiliary Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, China
| | - Li Gao
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Dayun Feng
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Yan Qu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China.
| |
Collapse
|
20
|
Chen G, Thakkar M, Robinson C, Doré S. Limb Remote Ischemic Conditioning: Mechanisms, Anesthetics, and the Potential for Expanding Therapeutic Options. Front Neurol 2018; 9:40. [PMID: 29467715 PMCID: PMC5808199 DOI: 10.3389/fneur.2018.00040] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 01/17/2018] [Indexed: 12/23/2022] Open
Abstract
Novel and innovative approaches are essential in developing new treatments and improving clinical outcomes in patients with ischemic stroke. Remote ischemic conditioning (RIC) is a series of mechanical interruptions in blood flow of a distal organ, following end organ reperfusion, shown to significantly reduce infarct size through inhibition of oxidation and inflammation. Ischemia/reperfusion (I/R) is what ultimately leads to the irreversible brain damage and clinical picture seen in stroke patients. There have been several reports and reviews about the potential of RIC in acute ischemic stroke; however, the focus here is a comprehensive look at the differences in the three types of RIC (remote pre-, per-, and postconditioning). There are some limited uses of preconditioning in acute ischemic stroke due to the unpredictability of the ischemic event; however, it does provide the identification of biomarkers for clinical studies. Remote limb per- and postconditioning offer a more promising treatment during patient care as they can be harnessed during or after the initial ischemic insult. Though further research is needed, it is imperative to discuss the importance of preclinical data in understanding the methods and mechanisms involved in RIC. This understanding will facilitate translation to a clinically feasible paradigm for use in the hospital setting.
Collapse
Affiliation(s)
- Gangling Chen
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, United States.,Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, Nanjing, China
| | - Mrugesh Thakkar
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, United States
| | - Christopher Robinson
- McKnight Brain Institute, University of Florida, Gainesville, FL, United States.,Department of Neurology, University of Florida, Gainesville, FL, United States
| | - Sylvain Doré
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, United States.,McKnight Brain Institute, University of Florida, Gainesville, FL, United States.,Department of Neurology, University of Florida, Gainesville, FL, United States.,Department of Psychiatry, University of Florida, Gainesville, FL, United States.,Department of Pharmaceutics, University of Florida, Gainesville, FL, United States.,Department of Psychology, University of Florida, Gainesville, FL, United States.,Department of Neuroscience, University of Florida, Gainesville, FL, United States
| |
Collapse
|
21
|
Huang D, Liu H, Qu Y, Wang P. Non-invasive remote ischemic postconditioning stimulates neurogenesis during the recovery phase after cerebral ischemia. Metab Brain Dis 2017; 32:1805-1818. [PMID: 28707040 DOI: 10.1007/s11011-017-0068-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2017] [Accepted: 07/06/2017] [Indexed: 02/05/2023]
Abstract
Ischemic postconditioning (IPostC) has been reported to have neuroprotection against ischemic diseases, and one cycle of IPostC induces neurogenesis when treated nearby. To expanding these effects, we explored the effects of repetitively remote IPostC (NRIPostC) on neurogenesis in the subgranular zone (SGZ) and subentricular zone (SVZ) during stroke recovery. Animals underwent transient cerebral ischemia were treated with vehicle or NRIPostC immediately after reperfusion. Neurological severity scores, infarct size, neurogenesis, and protein expression levels of nestin and GFAP were quantified at 3d, 7d, 14d, 21d and 28d post-ischemia. Results showed that NRIPostC significantly reduced acute infarction and improved neurological outcomes during the recovery phase. Meanwhile, NRIPostC significantly increased the number of BrdU+/nestin+ cells in SGZ on day 14 and in the SVZ on days 3, 7 and 14 respectively, and the number of DCX+ cells from days 3 to 14. There were significant increments in the number of BrdU+/NeuN+ and BrdU+/GFAP+ cells in the SGZ and SVZ during the stroke recovery. The changing tendency of the protein expression of nestin and GFAP in DG was consistent with the result mentioned above. In conclusion, NRIPostC reduced acute infarction and improved functional outcomes up to 28d, and it induced neurogenesis both in the SGZ and SVZ.
Collapse
Affiliation(s)
- Dan Huang
- Department of Rehabilitation Medicine, West China Hospital of Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
- Department of Rehabilitation Medicine, Yongchuan Hospital of Chongqing Medical University, Chongqing, 402160, People's Republic of China
| | - Honghong Liu
- Department of Rehabilitation Medicine, West China Hospital of Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - Yun Qu
- Department of Rehabilitation Medicine, West China Hospital of Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China.
| | - Pu Wang
- Department of Rehabilitation Medicine, Ruijin Hospital of Shanghai Jiaotong University School, Shanghai, 200025, People's Republic of China.
| |
Collapse
|
22
|
Liang J, Li L, Sun Y, He W, Wang X, Su Q. The protective effect of activating Nrf2 / HO-1 signaling pathway on cardiomyocyte apoptosis after coronary microembolization in rats. BMC Cardiovasc Disord 2017; 17:272. [PMID: 29065851 PMCID: PMC5655953 DOI: 10.1186/s12872-017-0704-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 10/13/2017] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Myocardial apoptosis is closely related to myocardial injury caused by coronary microembolization (CME).Nuclear factor erythroid 2-like (Nrf2) has been taken into account as an inhibitor of apoptosis in various tissues. Thus, this research aims to investigate which part Nrf2/HO-1 signaling pathway plays in myocardial apoptosis process following the effect of CME on rats. METHODS Separate 40 rats then form them into a group of shame, a group of CME, a group of CME plus AAV-Nrf2(AAV-Nrf2 (CME) group) and a group of CME plus AAV-control (AAV-control (CME) group) stochastically and averagely. Rat CME was established by injecting into the left ventricular chamber, with or without pretreatment of adeno-associated virus Nrf2 (AAV-Nrf2). Echocardiological measurements, using Terminal-deoxynucleoitidyl Transferase Mediated Nick End Labeling (TUNEL) to stain, conducting Quantitative PCR in real time (RT-PCR) as well as Western blotting to evaluate the impacts of them functionally, morphologically and molecularly in CME. RESULTS Nrf2 decreased in cardiomyocytes after CME. Upregulation of Nrf2 inside an organism through AAV connect to improving the function of heart as well as attenuating myocardial apoptosis, following the restrain of proapoptotic mRNAs and proteins like caspase-3, caspase-9 and bax expressing as well as the increase of antiapoptotic mRNA and proteins like HO-1 and bcl-2 expressing. CONCLUSION Activation of Nrf2/HO-1 pathway can improve CME-induced cardiac dysfunction effectively and also reduce the myocardial apoptosis.
Collapse
Affiliation(s)
- Jiabao Liang
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021 China
| | - Lang Li
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021 China
| | - Yuhan Sun
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021 China
| | - Wenkai He
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021 China
| | - Xiantao Wang
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021 China
| | - Qiang Su
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021 China
| |
Collapse
|
23
|
Zhai M, Li B, Duan W, Jing L, Zhang B, Zhang M, Yu L, Liu Z, Yu B, Ren K, Gao E, Yang Y, Liang H, Jin Z, Yu S. Melatonin ameliorates myocardial ischemia reperfusion injury through SIRT3-dependent regulation of oxidative stress and apoptosis. J Pineal Res 2017; 63. [PMID: 28500761 DOI: 10.1111/jpi.12419] [Citation(s) in RCA: 243] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Accepted: 05/05/2017] [Indexed: 02/06/2023]
Abstract
Sirtuins are a family of highly evolutionarily conserved nicotinamide adenine nucleotide-dependent histone deacetylases. Sirtuin-3 (SIRT3) is a member of the sirtuin family that is localized primarily to the mitochondria and protects against oxidative stress-related diseases, including myocardial ischemia/reperfusion (MI/R) injury. Melatonin has a favorable effect in ameliorating MI/R injury. We hypothesized that melatonin protects against MI/R injury by activating the SIRT3 signaling pathway. In this study, mice were pretreated with or without a selective SIRT3 inhibitor and then subjected to MI/R operation. Melatonin was administered intraperitoneally (20 mg/kg) 10 minutes before reperfusion. Melatonin treatment improved postischemic cardiac contractile function, decreased infarct size, diminished lactate dehydrogenase release, reduced the apoptotic index, and ameliorated oxidative damage. Notably, MI/R induced a significant decrease in myocardial SIRT3 expression and activity, whereas the melatonin treatment upregulated SIRT3 expression and activity, and thus decreased the acetylation of superoxide dismutase 2 (SOD2). In addition, melatonin increased Bcl-2 expression and decreased Bax, Caspase-3, and cleaved Caspase-3 levels in response to MI/R. However, the cardioprotective effects of melatonin were largely abolished by the selective SIRT3 inhibitor 3-(1H-1,2,3-triazol-4-yl)pyridine (3-TYP), suggesting that SIRT3 plays an essential role in mediating the cardioprotective effects of melatonin. In vitro studies confirmed that melatonin also protected H9c2 cells against simulated ischemia/reperfusion injury (SIR) by attenuating oxidative stress and apoptosis, while SIRT3-targeted siRNA diminished these effects. Taken together, our results demonstrate for the first time that melatonin treatment ameliorates MI/R injury by reducing oxidative stress and apoptosis via activating the SIRT3 signaling pathway.
Collapse
Affiliation(s)
- Mengen Zhai
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Buying Li
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Weixun Duan
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Lin Jing
- Cell Engineering Research Center and Department of Cell Biology, State Key Laboratory of Cancer, The Fourth Military Medical University, Xi'an, China
| | - Bin Zhang
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Meng Zhang
- Institute of Material Medical, School of Pharmacy, The Fourth Military Medical University, Xi'an, China
| | - Liming Yu
- Department of Cardiovascular Surgery, General Hospital of Shenyang Military Area Command, Shenyang, China
| | - Zhenhua Liu
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Bo Yu
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Kai Ren
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Erhe Gao
- Center for Translational Medicine, Temple University School of Medicine, Philadelphia, PA, USA
| | - Yang Yang
- Department of Biomedical Engineering, The Fourth Military Medical University, Xi'an, China
| | - Hongliang Liang
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Zhenxiao Jin
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Shiqiang Yu
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| |
Collapse
|
24
|
Silencing of FKBP51 alleviates the mechanical pain threshold, inhibits DRG inflammatory factors and pain mediators through the NF-kappaB signaling pathway. Gene 2017. [DOI: 10.1016/j.gene.2017.06.029] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
|
25
|
Zheng Y, Shen Z, Wu X, Jiang L, Hu W, Chen Z, Zhang X. Experimental Models to Study the Neuroprotection of Acidic Postconditioning Against Cerebral Ischemia. J Vis Exp 2017. [PMID: 28784980 DOI: 10.3791/55931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Stroke is one of the leading causes of mortality and disability worldwide, with limited therapeutic approaches. As an endogenous strategy for neuroprotection, postconditioning treatments have proven to be promising therapies against cerebral ischemia. However, complicated procedures and potential safety issues limit their clinical application. To overcome these disadvantages, we have developed acidic postconditioning (APC) as a therapy for experimental focal cerebral ischemia. APC refers to the mild acidosis treatment by inhaling CO2 during reperfusion following ischemia. Here we present two models to execute APC in vitro and in vivo, respectively. The oxygen-glucose deprivation (OGD) treatment of mice and the corticostriatal occlusion and middle cerebral artery occlusion (MCAO) of mice were employed to mimic cerebral ischemia. APC can be simply achieved by transferring brain slices to acidic buffer bubbled with 20% CO2, or by mice inhaling 20% CO2. APC showed significant protective effects against cerebral ischemia, as reflected by tissue viability and brain infarct volume.
Collapse
Affiliation(s)
- Yanrong Zheng
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Department of Pharmacology, Key Laboratory of Medical Neurobiology of The Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University
| | - Zhe Shen
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Department of Pharmacology, Key Laboratory of Medical Neurobiology of The Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University
| | - Xiaoli Wu
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Department of Pharmacology, Key Laboratory of Medical Neurobiology of The Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University
| | - Lei Jiang
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Department of Pharmacology, Key Laboratory of Medical Neurobiology of The Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University
| | - Weiwei Hu
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Department of Pharmacology, Key Laboratory of Medical Neurobiology of The Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University
| | - Zhong Chen
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Department of Pharmacology, Key Laboratory of Medical Neurobiology of The Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University;
| | - Xiangnan Zhang
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Department of Pharmacology, Key Laboratory of Medical Neurobiology of The Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University;
| |
Collapse
|
26
|
Postconditioning-induced neuroprotection, mechanisms and applications in cerebral ischemia. Neurochem Int 2017; 107:43-56. [DOI: 10.1016/j.neuint.2017.01.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 01/04/2017] [Accepted: 01/08/2017] [Indexed: 02/07/2023]
|
27
|
Overview of Experimental and Clinical Findings regarding the Neuroprotective Effects of Cerebral Ischemic Postconditioning. BIOMED RESEARCH INTERNATIONAL 2017; 2017:6891645. [PMID: 28473987 PMCID: PMC5394355 DOI: 10.1155/2017/6891645] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2016] [Revised: 01/07/2017] [Accepted: 01/16/2017] [Indexed: 12/15/2022]
Abstract
Research on attenuating the structural and functional deficits observed following ischemia-reperfusion has become increasingly focused on the therapeutic potential of ischemic postconditioning. In recent years, various methods and animal models of ischemic postconditioning have been utilized. The results of these numerous studies have indicated that the mechanisms underlying the neuroprotective effects of ischemic postconditioning may involve reductions in the generation of free radicals and inhibition of calcium overload, as well as the release of endogenous active substances, alterations in membrane channel function, and activation of protein kinases. Here we review the novel discovery, mechanism, key factors, and clinical application of ischemic postconditioning and discuss its implications for future research and problem of clinical practice.
Collapse
|
28
|
Jia Z, Dong A, Che H, Zhang Y. 17-DMAG Protects Against Hypoxia-/Reoxygenation-Induced Cell Injury in HT22 Cells Through Akt/Nrf2/HO-1 Pathway. DNA Cell Biol 2017; 36:95-102. [PMID: 27982695 DOI: 10.1089/dna.2016.3445] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Zhuopeng Jia
- Department of Neurosurgery, The First Affiliated hospital of Xi'an Medical University, Xi'an, China
| | - Arui Dong
- Department of Neurosurgery, Shaanxi Second Provincial People's Hospital, Xi'an, China
| | - Hongmin Che
- Department of Neurosurgery, The First Affiliated hospital of Xi'an Medical University, Xi'an, China
| | - Yu Zhang
- Department of Neurosurgery, No. 215 Hospital of Shaanxi Nuclear Industry, Xianyang, China
| |
Collapse
|
29
|
Remote Postconditioning Alone and Combined with Hypothermia Improved Postresuscitation Cardiac and Neurological Outcomes in Swine. BIOMED RESEARCH INTERNATIONAL 2016; 2016:6743648. [PMID: 28097144 PMCID: PMC5206419 DOI: 10.1155/2016/6743648] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Revised: 11/20/2016] [Accepted: 11/29/2016] [Indexed: 11/18/2022]
Abstract
Objective. Previously, we demonstrated that remote ischemic postconditioning (RIpostC) improved postresuscitation myocardial and cerebral functions in rat. Here, we investigated the effects of RIpostC alone and combined with therapeutic hypothermia (TH) on cardiac and neurological outcomes after CPR in swine. Methods. Twenty-one pigs were subjected to 10 mins of VF and then 5 mins of CPR. The animals were randomized to receive RIpostC alone, or its combination with TH, or sham control. RIpostC was induced by 4 cycles of limb ischemia followed by reperfusion. TH was implemented by surface cooling to reach a temperature of 32–34°C. Results. During 72 hrs after resuscitation, lower level of cardiac troponin I and greater stroke volume and global ejection fraction were observed in animals that received RIpostC when compared to the control. RIpostC also decreased serum levels of neuron-specific enolase and S100B and increased neurologic alertness score after resuscitation. The combination of RIpostC and TH resulted in greater improvement in cardiac and neurological outcomes than RIpostC alone. Conclusion. RIpostC was conducive to improving postresuscitation myocardial and cerebral functions and reducing their organ injuries. Its combination with TH further enhanced its protective effects.
Collapse
|
30
|
Limb Remote Ischemic Postconditioning Reduces Ischemia-Reperfusion Injury by Inhibiting NADPH Oxidase Activation and MyD88-TRAF6-P38MAP-Kinase Pathway of Neutrophils. Int J Mol Sci 2016; 17:ijms17121971. [PMID: 27898007 PMCID: PMC5187771 DOI: 10.3390/ijms17121971] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 10/30/2016] [Accepted: 11/17/2016] [Indexed: 12/11/2022] Open
Abstract
Limb remote ischemic postconditioning (LRIP) has been confirmed to reduce the ischemia-reperfusion injury but its mechanisms are still not clear. This study clarified the mechanism of LRIP based on the nicotinamide-adenine dinucleotide phosphate (NADPH) oxidase and Myeloid differentiation factor 88 (MyD88)-Tumor necrosis factor (TNF) receptor-associated factor 6 (TRAF6)-P38 pathway of neutrophils. Rat middle cerebral artery occlusion (MCAO) model was used in this study. Ischemia-reperfusion injury was carried out by MCAO 1.5 h followed by 24 h reperfusion. LRIP operation was performed to the left femoral artery at 0, 1 or 3 h after reperfusion. Behavioral testing, including postural reflex test, vibrissae-elicited forelimb placing test and tail hang test, showed that LRIP operated at 0 h of reperfusion could significantly ameliorate these behavioral scores. Pathological examinations, infarct size, Myeloperoxidase (MPO) activity showed that LRIP operated at 0 h of reperfusion could significantly ameliorate the pathological scores, reduce the infarct size and MPO activity in the brain and increase the MPO activity in the left leg. By using Neutrophil counting, immunofluorescence and real-time PCR techniques, we found that LRIP operated at 0 h of reperfusion could reduce neutrophil counts in the peripheral blood and downregulate the activation of neutrophil in the peripheral blood and rat brain. Western blots revealed that MyD88, TRAF6, p38 mitogen-activated protein kinase (p38-MAPK) in neutrophils and the phosphorylation of p47phox (Ser 304 and Ser 345) in neutrophil could be downregulated by LRIP. Our study suggests that LRIP inhibits the number and activation of neutrophils in the rat brain and peripheral blood linked to down-regulating the activation of NADPH oxidase in neutrophils by MyD88/TRAF6/p38-MAPK pathway.
Collapse
|
31
|
Wu L, Xu Y. Primary intraspinal papillary meningioma: a rare aggressive variant of meningioma. Spine J 2016; 16:e691-e692. [PMID: 26972623 DOI: 10.1016/j.spinee.2016.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 03/03/2016] [Indexed: 02/03/2023]
Affiliation(s)
- Liang Wu
- Department of Neurosurgery, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yulun Xu
- Department of Neurosurgery, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| |
Collapse
|
32
|
Boukobza M, Cebula H, Pop R, Kouakou F, Sadoun A, Coca HA, Polivka M, Diemidio P, Ganau M, George B, Froelich S, Proust F, Chibbaro S. Cystic meningioma: radiological, histological, and surgical particularities in 43 patients. Acta Neurochir (Wien) 2016; 158:1955-64. [PMID: 27510826 DOI: 10.1007/s00701-016-2898-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 07/13/2016] [Indexed: 11/26/2022]
Abstract
BACKGROUND The presence of cysts is a rare occurrence for intracranial meningiomas in adults. We report our experience in a large consecutive series of cystic meningiomas. METHOD We prospectively collected data for a dedicated database of cystic meningioma cases between January 2004 and December 2011 in two tertiary neurosurgical centers. Studied data included preoperative imaging, surgical records, and pathology reports. RESULTS Among 1214 surgeries for intracranial meningioma, we identified 43 cases of cystic meningioma, corresponding to an incidence of 3.5 %. The most common localization was the hemispheric convexity (17/43 cases). Twenty-eight patients had intratumoral cysts, nine peritumoral, and five mixed intra and extratumoral. In 29 patients with available diffusion imaging, ADC coefficients were significantly lower in grade II-III tumors compared to grade I (p = 0.01). Complete resection of the cystic components was possible in 27/43 patients (63 %); partial resection in 4/43 (9 %); in 6/43 (14 %) cyst resection was not possible but multiple biopsies were performed from the cystic walls; in another 6/43 (14 %) the cystic wall was not identified during surgery. Cells with neoplastic features were identified within the cyst walls at pathology in 26/43 cases (60 %). All patients were followed-up for 24 months; long-term follow-up was available only in 32 patients for an average period of 49 months (range, 36-96 months). No recurrence requiring surgery was observed. CONCLUSIONS Cystic meningiomas are rare. Cells with neoplastic features are often identified within the cyst walls. Complete cyst resection is recommendable when considered technically feasible and safe.
Collapse
Affiliation(s)
- Monique Boukobza
- Department of Neuroradiology, Lariboisière University Hospital, Paris, France
| | - Helene Cebula
- Department of Neurosurgery, Hautepierre University Hospital, Strasbourg, France
| | - Raoul Pop
- Department of Interventional Neuroradiology UF6954, Hautepierre University Hospital, 1 Avenue Moliere, 67098, Strasbourg, France.
| | - Fulbert Kouakou
- Department of Neurosurgery, Hautepierre University Hospital, Strasbourg, France
| | - Amirouche Sadoun
- Department of Neurosurgery, Hautepierre University Hospital, Strasbourg, France
| | - Hugo Andres Coca
- Department of Neurosurgery, Hautepierre University Hospital, Strasbourg, France
| | - Marc Polivka
- Department of Histopathology, Lariboisière University Hospital, Paris, France
| | - Paolo Diemidio
- Department of Neurosurgery, Hautepierre University Hospital, Strasbourg, France
| | - Mario Ganau
- Department of Neurosurgery, Hautepierre University Hospital, Strasbourg, France
| | - Bernard George
- Department of Neurosurgery, Lariboisière University Hospital, Paris, France
| | - Sebastien Froelich
- Department of Neurosurgery, Lariboisière University Hospital, Paris, France
| | - Francois Proust
- Department of Neurosurgery, Hautepierre University Hospital, Strasbourg, France
| | - Salvatore Chibbaro
- Department of Neurosurgery, Hautepierre University Hospital, Strasbourg, France
- Department of Neurosurgery, Lariboisière University Hospital, Paris, France
| |
Collapse
|
33
|
Yang Y, Cheung HH, Tu J, Miu KK, Chan WY. New insights into the unfolded protein response in stem cells. Oncotarget 2016; 7:54010-54027. [PMID: 27304053 PMCID: PMC5288239 DOI: 10.18632/oncotarget.9833] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 05/29/2016] [Indexed: 12/15/2022] Open
Abstract
The unfolded protein response (UPR) is an evolutionarily conserved adaptive mechanism to increase cell survival under endoplasmic reticulum (ER) stress conditions. The UPR is critical for maintaining cell homeostasis under physiological and pathological conditions. The vital functions of the UPR in development, metabolism and immunity have been demonstrated in several cell types. UPR dysfunction activates a variety of pathologies, including cancer, inflammation, neurodegenerative disease, metabolic disease and immune disease. Stem cells with the special ability to self-renew and differentiate into various somatic cells have been demonstrated to be present in multiple tissues. These cells are involved in development, tissue renewal and certain disease processes. Although the role and regulation of the UPR in somatic cells has been widely reported, the function of the UPR in stem cells is not fully known, and the roles and functions of the UPR are dependent on the stem cell type. Therefore, in this article, the potential significances of the UPR in stem cells, including embryonic stem cells, tissue stem cells, cancer stem cells and induced pluripotent cells, are comprehensively reviewed. This review aims to provide novel insights regarding the mechanisms associated with stem cell differentiation and cancer pathology.
Collapse
Affiliation(s)
- Yanzhou Yang
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology, Ningxia Medical University, Yinchuan, Ningxia, P.R. China
- The Chinese University of Hong Kong–Shandong University Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, HKSAR, China
| | - Hoi Hung Cheung
- The Chinese University of Hong Kong–Shandong University Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, HKSAR, China
| | - JiaJie Tu
- The Chinese University of Hong Kong–Shandong University Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, HKSAR, China
| | - Kai Kei Miu
- The Chinese University of Hong Kong–Shandong University Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, HKSAR, China
| | - Wai Yee Chan
- The Chinese University of Hong Kong–Shandong University Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, HKSAR, China
| |
Collapse
|
34
|
Yu Q, Huang J, Hu J, Zhu H. Advance in spinal cord ischemia reperfusion injury: Blood-spinal cord barrier and remote ischemic preconditioning. Life Sci 2016; 154:34-8. [PMID: 27060223 DOI: 10.1016/j.lfs.2016.03.046] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 03/16/2016] [Accepted: 03/24/2016] [Indexed: 12/20/2022]
Abstract
The blood-spinal cord barrier (BSCB) is the physiological and metabolic substance diffusion barrier between blood circulation and spinal cord tissues. This barrier plays a vital role in maintaining the microenvironment stability of the spinal cord. When the spinal cord is subjected to ischemia/reperfusion (I/R) injury, the structure and function of the BSCB is disrupted, further destroying the spinal cord homeostasis and ultimately leading to neurological deficit. Remote ischemic preconditioning (RIPC) is an approach in which interspersed cycles of preconditioning ischemia is followed by reperfusion to tissues/organs to protect the distant target tissues/organs against subsequent lethal ischemic injuries. RIPC is an innovation of the treatment strategies that protect the organ from I/R injury. In this study, we review the morphological structure and function of the BSCB, the injury mechanism of BSCB resulting from spinal cord I/R, and the effect of RIPC on it.
Collapse
Affiliation(s)
- Qijing Yu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, China
| | - Jinxiu Huang
- Department of Anesthesiology, Liyuan Hospital of Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430077, Hubei, China
| | - Ji Hu
- Department of Anesthesiology, Liyuan Hospital of Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430077, Hubei, China.
| | - Hongfei Zhu
- Department of Anesthesiology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, Hubei, China
| |
Collapse
|
35
|
Nejad KH, Dianat M, Sarkaki A, Naseri MKG, Badavi M, Farbood Y. Ellagic acid improves electrocardiogram waves and blood pressure against global cerebral ischemia rat experimental models. Electron Physician 2015; 7:1153-62. [PMID: 26396728 PMCID: PMC4578534 DOI: 10.14661/2015.1153-1162] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 07/25/2015] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Global cerebral ischemia (GCIR) arises in patients that are shown a variety of clinical difficulty including cardiac arrest, asphyxia, and shock. In spite of advances in understanding of the brain, ischemia and protective effects to improve ischemic injury still remain unknown. The aim of our study was to investigate the effect of ellagic acid (EA) pretreatment in the rat models of global cerebral ischemia reperfusion. METHODS This experimental study was conducted in 2014 at the Physiology Research Center of the Ahvaz Jundishapur University of Medical Sciences in Ahvaz, Iran. Adult male Wistar rats (250-300 g) were used in this study. GCIR was induced by bilateral vertebral and common carotid arteries occlusion (4-VO). 32 rats were divided randomly to four groups: 1) So (Sham) received normal saline as vehicle of EA, 2) EA, 3) normal saline + GCIR, and 4) EA + GCIR. After anesthesia (a mix of xylazine and ketamine), animal subjected to 20 minutes of ischemia followed by 30 minutes of reperfusion in related groups. EA (100 mg/kg, dissolved in normal saline) or 1.5 ml/kg normal saline was administered (gavage, 10 days) to the related groups. EEG was recorded from NTS in GCIR treated groups. RESULTS Present data showed that: 1) EEG in GCIR treated groups was flattened; 2) Blood pressure, voltage of QRS and P-R interval were reduced significantly in the ischemic groups compared to before ischemia, and pretreatment with EA prevented this reduction; and 3) MDA level and heart rate was increased by GCIR and pretreatment with EA reduced MDA level and restored the HR to normal level. CONCLUSION Results indicate that global cerebral ischemia-reperfusion impairs certain heart functions and ellagic acid as an antioxidant can restore these parameters. The results of this study suggest the possible utility of ellagic acid in patients with brain stroke.
Collapse
Affiliation(s)
- Khojasteh Hoseiny Nejad
- Ph.D. Student, Abadan Arvand International Division, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mahin Dianat
- Faculty Member, Physiology Research Center and Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Alireza Sarkaki
- Faculty Member, Physiology Research Center and Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Kazem Gharib Naseri
- Faculty Member, Physiology Research Center and Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Badavi
- Faculty Member, Physiology Research Center and Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Yaghoub Farbood
- Faculty Member, Physiology Research Center and Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| |
Collapse
|