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Islas-Cortez M, Ríos C, Manzanares J, Díaz-Ruiz A, Pérez-Pastén-Borja R. Isobolographic Analysis of the Cytoprotective Effect of Dapsone and Cannabidiol Alone or Combination upon Oxygen-Glucose Deprivation/Reoxygenation Model in SH-SY5Y Cells. Antioxidants (Basel) 2024; 13:705. [PMID: 38929144 PMCID: PMC11200396 DOI: 10.3390/antiox13060705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/01/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
Oxidative stress and apoptosis cell death are critical secondary damage mechanisms that lead to losing neighboring healthy tissue after cerebral ischemia. This study aims to characterize the type of interaction between dapsone (DDS) and cannabidiol (CBD) and its cytoprotective effect in an in vitro model of oxygen and glucose deprivation for 6 h followed by 24 h of reoxygenation (OGD/R), using the SH-SY5Y cell line. For the combined concentrations, an isobolographic study was designed to determine the optimal concentration-response combinations. Cell viability was evaluated by measuring the lactate dehydrogenase (LDH) release and 3-[4, 5-dimethyl-2-thiazolyl]-2, 5-diphenyl-2H-tetrazolium bromide (MTT) assays. Also, the reactive oxygen species (ROS) and reduced glutathione (GSH) levels were analyzed as oxidative stress markers. Finally, caspase-3 activity was evaluated as a marker cell death by apoptosis. The results showed a decrease in cell viability, an increase in oxidant stress, and the activity of caspase-3 by the effect of OGD/R. Meanwhile, both DDS and CBD demonstrated antioxidant, antiapoptotic, and cytoprotective effects in a concentration-response manner. The isobolographic study indicated that the concentration of 2.5 µM of DDS plus 0.05 µM of CBD presented a synergistic effect so that in treatment, cell death due to OGD/R decreased. The findings indicate that DDS-CBD combined treatment may be a helpful therapy in cerebral ischemia with reperfusion.
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Affiliation(s)
- Marcela Islas-Cortez
- Laboratorio de Toxicología Molecular, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico;
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía “Manuel Velasco Suárez”, Ciudad de México 14269, Mexico
| | - Camilo Ríos
- Laboratorio de Neurofarmacología Molecular, Universidad Autónoma Metropolitana Xochimilco, Ciudad de México 04960, Mexico;
- Dirección de Investigación, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Ciudad de México 14389, Mexico
| | - Jorge Manzanares
- Instituto de Neurociencias, Universidad Miguel Hernandez-CSIC, 03550 San Juan de Alicante, Alicante, Spain;
- Redes de Investigación Cooperativa Orientadas a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Alicante, Spain
| | - Araceli Díaz-Ruiz
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía “Manuel Velasco Suárez”, Ciudad de México 14269, Mexico
| | - Ricardo Pérez-Pastén-Borja
- Laboratorio de Toxicología Molecular, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico;
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Yang X, Wu J, Cheng H, Chen S, Wang J. DEXMEDETOMIDINE AMELIORATES ACUTE BRAIN INJURY INDUCED BY MYOCARDIAL ISCHEMIA-REPERFUSION VIA UPREGULATING THE HIF-1 PATHWAY. Shock 2023; 60:678-687. [PMID: 37647083 DOI: 10.1097/shk.0000000000002217] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
ABSTRACT Objective: Neurological complications after myocardial ischemia/reperfusion (IR) injury remain high and seriously burden patients and their families. Dexmedetomidine (Dex), an α 2 agonist, is endowed with analgesic-sedative and anti-inflammatory effects. Therefore, our study aims to explore the mechanism and effect of Dex on brain damage after myocardial IR injury. Methods C57BL/6 mice were randomly divided into sham, IR, and IR + Dex groups, and myocardial IR models were established. The impact of Dex on brain injury elicited by myocardial IR was assessed via ELISA for inflammatory factors in serum and brain; Evans blue for blood-brain barrier permeability; hematoxylin-eosin staining for pathological injury in brain; immunofluorescence for microglia activation in brain; Morris water maze for cognitive dysfunction; western blot for the expression level of HIF-1α, occludin, cleaved caspase-3, NF-κB p65, and p-NF-κB p65 in the brain. In addition, HIF-1α knockout mice were used to verify whether the neuroprotective function of Dex is associated with the HIF-1 pathway. Results: Dex was capable of reducing myocardial IR-induced brain damage including inflammatory factor secretion, blood-brain barrier disruption, neuronal edema, microglial activation, and acute cognitive dysfunction. However, the protective role of Dex was attenuated in HIF-1α knockout mice. Conclusion: Dex protects against myocardial IR-induced brain injury, and the neuroprotection of Dex is at least partially dependent on the activation of the HIF-1 pathway.
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Affiliation(s)
- Xue Yang
- Department of Anesthesiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
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Zhou C, Wang J, Shao G, Xia X, Wu L, Yu A, Yang Z. Mild Hypothermia Protects Brain Injury After Intracerebral Hemorrhage in Mice Via Enhancing the Nrdp1/MyD88 Signaling Pathway. Neurotox Res 2022; 40:1664-1672. [PMID: 36125699 DOI: 10.1007/s12640-022-00576-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 08/02/2022] [Accepted: 08/29/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND Mild hypothermia has been identified to reduce brain injury following intracerebral hemorrhage (ICH) by protecting neuron cells through several pathways. However, the role of hypothermia in brain function following ICH and the related mechanisms have not been well identified. Ubiquitination-mediated inflammation plays important roles in the pathogenesis of immune diseases. The experiment analyzed anti-inflammatory effects of mild hypothermia following ICH. METHODS The model of ICH was induced by injecting autologous blood. Neuregulin receptor degradation protein-1 (Nrdp1) and downstream molecule were analyzed. In addition, brain inflammatory response, brain edema, and neurological functions of ICH mice were also assessed. RESULTS We found that mild hypothermia attenuated proinflammatory factors production after ICH. Mild hypothermia significantly inhibited BBB injury, water content, and neurological damage following ICH in vivo. Moreover, mild hypothermia also increased Nrdp1/MyD88 levels and thus affect neuronal apoptosis and inflammation. CONCLUSIONS Taken together, these results suggest that mild hypothermia can attenuate the neuroinflammatory response and neuronal apoptosis after ICH through the regulation of the Nrdp1 levels.
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Affiliation(s)
- Changlong Zhou
- Department of Neurosurgery, Yongchuan Hospital, Chongqing Medical University, Chongqing, 402160, China
| | - Jinping Wang
- Department of Neurology, Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing, 400014, China
| | - Gaohai Shao
- Department of Neurosurgery, Yongchuan Hospital, Chongqing Medical University, Chongqing, 402160, China
| | - Xiaohui Xia
- Department of Neurosurgery, Yongchuan Hospital, Chongqing Medical University, Chongqing, 402160, China
| | - Lirong Wu
- Department of Neurosurgery, Yongchuan Hospital, Chongqing Medical University, Chongqing, 402160, China
| | - Anyong Yu
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563003, China.
| | - Zhao Yang
- Department of Neurosurgery, Yongchuan Hospital, Chongqing Medical University, Chongqing, 402160, China.
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Han Y, Rajah GB, Hussain M, Geng X. Clinical potential of pre-reperfusion hypothermia in ischemic injury. Neurol Res 2019; 41:697-703. [PMID: 31030645 DOI: 10.1080/01616412.2019.1609160] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The damage caused by ischemic stroke is mostly refractory to medical therapies and amounts to a substantial degree of mortality and morbidity in the world. The core tenet of treatment for acute ischemic stroke (AIS) is to save 'reversible' ischemic tissue (ischemic penumbra) as quickly as possible within a limited therapeutic time window. The neuroprotective effect of hypothermia has been proven previously in a large number of animal experiments and clinical trials. Some of these animal and human studies have shown that pre-reperfusion hypothermia can reduce myocardial infarction and improve clinical outcomes. However, to date, there is little research about hypothermia before reperfusion in the animal model and human study of AIS. This review will explore possible benefits of the application of pre-reperfusion hypothermia in the setting of AIS.
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Affiliation(s)
- Yun Han
- a China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University , Beijing , China.,b Department of Neurology, Beijing Luhe Hospital, Capital Medical University , Beijing , China
| | - Gary B Rajah
- c Department of Neurosurgery, Wayne State University School of Medicine , Detroit , MI , USA
| | - Mohammed Hussain
- c Department of Neurosurgery, Wayne State University School of Medicine , Detroit , MI , USA
| | - Xiaokun Geng
- a China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University , Beijing , China.,b Department of Neurology, Beijing Luhe Hospital, Capital Medical University , Beijing , China.,c Department of Neurosurgery, Wayne State University School of Medicine , Detroit , MI , USA
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Li XQ, Yu Q, Tan WF, Zhang ZL, Ma H. MicroRNA-125b mimic inhibits ischemia reperfusion-induced neuroinflammation and aberrant p53 apoptotic signalling activation through targeting TP53INP1. Brain Behav Immun 2018; 74:154-165. [PMID: 30193876 DOI: 10.1016/j.bbi.2018.09.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 08/23/2018] [Accepted: 09/03/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Ischemia reperfusion (IR) injury affects neuronal function through multiple pathogeneses that induce neuroinflammation and cellular apoptosis. The important roles of microRNAs (miRs) in the regulation of spinal cord IR have been recently reported. Among these roles, we investigated whether miR-125b and its downstream targets regulated the p53 signalling network and participated in both inflammation and apoptosis. METHODS An IR model was established via 12-min occlusion of the aortic arch. The direct interaction between miR-125b and TP53INP1 was demonstrated by Western blotting and luciferase assays. The cellular distributions of TP53INP1 were visualised by double immunofluorescence labelling. The effects of miR-125b on the expression of TP53INP1, p53 and release of proinflammatory cytokines were evaluated by synthetic miRs. Additionally, the detection of hind-limb motor function in vivo and motor neuronal apoptosis in vitro were evaluated to explore the potential mechanisms. RESULTS IR-induced alterations in hind-limb motor function were closely related to the temporal changes in miR-125b and TP53INP1 expression. The miR-125b/TP53INP1 gene pair was confirmed by luciferase assay. Compared with Sham controls, IR treatment resulted in increased TP53INP1 immunoreactivity that was primarily distributed in neurons. Treatment with miR-125b mimic markedly decreased the protein levels of TP53INP1, p53 and cytokines interleukin (IL)-1β and tumour necrosis factor (TNF)-α, whereas miR-125b control or inhibitor did not have the above-mentioned effects. Moreover, miR-125b mimic improved motor function in vivo and attenuated neuronal apoptosis in vitro, as demonstrated by the increased average Tarlov scores in lower limbs and lower percentages of neurons in the A4 and A2 quadrants of flow cytometry. Fluorescent staining and quantification further indicated that miR-125b mimic decreased the immunoreactivities of p53 and cleaved caspase 3 in neurons and simultaneously reduced the number of double-labelled cells with TP53INP1. CONCLUSIONS miR-125b mimic partially protected neurons against neuroinflammation and aberrant p53 network activation-induced apoptosis during IR injury through downregulation of TP53INP1.
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Affiliation(s)
- Xiao-Qian Li
- Department of Anesthesiology, First Affiliated Hospital, China Medical University, Shenyang 110001, Liaoning, China
| | - Qian Yu
- Department of Thoracic Surgery, Fourth Affiliated Hospital, China Medical University, Shenyang 110032, Liaoning, China
| | - Wen-Fei Tan
- Department of Anesthesiology, First Affiliated Hospital, China Medical University, Shenyang 110001, Liaoning, China
| | - Zai-Li Zhang
- Department of Anesthesiology, First Affiliated Hospital, China Medical University, Shenyang 110001, Liaoning, China
| | - Hong Ma
- Department of Anesthesiology, First Affiliated Hospital, China Medical University, Shenyang 110001, Liaoning, China.
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Tahsili-Fahadan P, Farrokh S, Geocadin RG. Hypothermia and brain inflammation after cardiac arrest. Brain Circ 2018; 4:1-13. [PMID: 30276330 PMCID: PMC6057700 DOI: 10.4103/bc.bc_4_18] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 03/17/2018] [Accepted: 03/18/2018] [Indexed: 12/14/2022] Open
Abstract
The cessation (ischemia) and restoration (reperfusion) of cerebral blood flow after cardiac arrest (CA) induce inflammatory processes that can result in additional brain injury. Therapeutic hypothermia (TH) has been proven as a brain protective strategy after CA. In this article, the underlying pathophysiology of ischemia-reperfusion brain injury with emphasis on the role of inflammatory mechanisms is reviewed. Potential targets for immunomodulatory treatments and relevant effects of TH are also discussed. Further studies are needed to delineate the complex pathophysiology and interactions among different components of immune response after CA and identify appropriate targets for clinical investigations.
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Affiliation(s)
- Pouya Tahsili-Fahadan
- Department of Medicine, Virginia Commonwealth University, Falls Church, Virginia, USA.,Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Salia Farrokh
- Department of Pharmacy, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Romergryko G Geocadin
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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