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Evaluation of targeted oxidative stress induced by oxygen-ozone < em > in vitro < /em > after ischemic induction
Redox Rep. 2022 Dec;27(1):259-269. doi: 10.1080/13510002.2022.2143104.ABSTRACTEncephalic vascular accident, or stroke, is the most common pathology of the central nervous system in humans, the second leading cause of death and physical and cognitive disabilities, in developing countries. It presents as an ischemic (more common) or hemorrhagic form. Ozone therapy has been shown to be effective in neuromodulation, neuroprotection, and nerve regeneration. The present study aimed to evaluate the effect of targeted mild ozone after inducing cerebral ischemia in vitro. Neuroblastoma lineage cells (SH-SY5Y) and canine amniotic me...
Source: Redox Report : communications in free radical research - November 10, 2022 Category: Biochemistry Authors: Jessica Rodrigues Orlandin Sarah Ingrid Pinto Santos Luciana Cristina Machado Paulo Fantinato Neto Fabiana Fernandes Bressan Naira Caroline Godoy Pieri Kaiana Recchia Meline de Paula Coutinho Priscilla Avelino Ferreira Pinto Annalisa Santucci Valter Trava Source Type: research

Effects of uric acid on oxidative and nitrosative stress and other related parameters in SH-SY5Y human neuroblastoma cells.
Uric acid (UA) is the end -product of purine catabolism in humans and higher primates and comprises about 65% of the total antioxidant capacity of plasma [1]. Urate circulates in humans at concentrations that are near its limit of solubility and many times higher than those in most other mammals. In patients with ischemic stroke, the most common type of stroke which is a leading cause of disability and the second most common cause of dementia, UA reduces the incidence of early clinical deterioration and improves outcomes compared to placebo [2].
Source: Prostaglandins, Leukotrienes and Essential Fatty Acids - December 30, 2020 Category: Biomedical Science Authors: Frederic M ármol, Juan Sanchez, Albert Martínez-Pinteño Source Type: research

Upregulation of miR-219a-5p Decreases Cerebral Ischemia/Reperfusion Injury In Vitro by Targeting Pde4d
In this study, we explored the neuroprotective effects of miR-219a-5p on brain using an in vitro ischemia model (mouse neuroblastoma N2a cells treated with oxyglucose deprivation and reperfusion), and in vivo cerebral I/R model in mice.
Source: Journal of Stroke and Cerebrovascular Diseases - April 1, 2020 Category: Neurology Authors: Min-Yi Lu, Jin-Rong Wu, Rui-Bing Liang, Yu-Peng Wang, You-Cai Zhu, Zi-Ting Ma, Hao Zhang, Jie Zan, Wen Tan Source Type: research

Neuroprotective effects of miR-532-5p against ischemic stroke
In this study, we established anin vivo middle cerebral artery occlusion (MCAO) model in mice. The expression level of miR-532-5p, neurological score, infarct area, neuronal apoptosis, and phosphoinositide 3-kinase (PI3K)/Akt signaling pathway-related molecules were examined. Low miR-532-5p levels and high phosphatase and tensin homolog deleted on chromosome 10 (PTEN) levels were detected in the mouse MCAO model. MiR-532-5p overexpression improved neurological dysfunction, reduced the infarct area, attenuated neuronal injury and apoptosis, and promoted the activation of the PI3K/Akt signaling pathway in MCAO mice. In vitro...
Source: Metabolic Brain Disease - February 20, 2020 Category: Neurology Source Type: research

The Effects of Intelectin-1 on Antioxidant and Angiogenesis in HUVECs Exposed to Oxygen Glucose Deprivation
Conclusion: These results suggest intelectin-1 promotes angiogenesis, inhibits oxidative stress and reduces apoptosis by stimulating the Akt-eNOS signaling pathway in response to ischemia in vitro. Introduction Stroke is a main reason of human neurological disability, ischemic stroke (IS) accounts for almost 80–90% of all strokes. IS occurs after a cerebral blood flow disruption, leading to cellular death and tissue damage by restricting glucose and oxygen supplies (1). Ischemic vascular diseases cause substantial vascular valve and vascular endothelial cell injuries, eventually damaging the surrounding tis...
Source: Frontiers in Neurology - April 15, 2019 Category: Neurology Source Type: research

Neuroprotective potential of adenosine A1 receptor partial agonists in experimental models of cerebral ischemia
This article is protected by copyright. All rights reserved.
Source: Journal of Neurochemistry - January 7, 2019 Category: Neuroscience Authors: Alberto Martire, Catia Lambertucci, Rita Pepponi, Antonella Ferrante, Nicholas Benati, Michela Buccioni, Diego Dal Ben, Gabriella Marucci, Karl ‐Norbert Klotz, Rosaria Volpini, Patrizia Popoli Tags: Original Article Source Type: research

MiR-29b expression is associated with a dexmedetomidine-mediated protective effect against oxygen-glucose deprivation-induced injury to SK-N-SH cells in vitro.
Abstract Ischemic cerebral stroke is a leading cause of death and long-term disability world-wide. Neuronal injury following cerebral ischemia initiates a complex series of signaling cascades that lead to neuronal cell death. MicroRNA 29b (miR-29b) has reported involvement in the pathogenic process of ischemic brain injury. Dexmedetomidine (Dex) is a highly selective α2 adrenergic receptor stimulant that exerts a protective effect on brain tissue. To determine whether Dex might directly influence miR-29b expression after an ischemic injury, human neuroblastoma SK-N-SH cells were subjected to oxygen-glucose depriv...
Source: Cell Biology International - October 31, 2017 Category: Cytology Authors: Huang Z, Liu G, Zeng Q, Gao R, Zhang S, Wang L, Liu B, Yu Y, Zhao A, Li R, Zhou S, Yu W Tags: Cell Biol Int Source Type: research