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Association between dietary antioxidant capacity and atherosclerotic carotid stenosis in patients with ischemic stroke
The aim of this study was to evaluate the relationship between dietary total antioxidant capacity (DTAC) and atherosclerotic carotid stenosis in patients with ischemic stroke.
Source: Journal of Stroke and Cerebrovascular Diseases - May 20, 2023 Category: Neurology Authors: Jizi Ma, Xuerong Jia, Yaqian Xia, Min Peng, Yantong Chen, Jingjing Cai, Xinfeng Liu, Gelin Xu Source Type: research

Caryocar brasiliense peel ethanolic extract has neuroprotective potential and reduces the activation of ERK1/2 in the ischemia and reperfusion brain acute phase in the rat
Oxidative stress induced by ischemia and reperfusion (I/R) injury results in cell death by necrosis or apoptosis and triggers the activation of different intracellular pathways, such as mitogen-activated protein activated kinases. Pequi (Caryocar brasiliense) peel, residue of a fruit from Brazilian savannah-like vegetation, has phenolic compounds that have been demonstrated to have antioxidant effects in vitro. The present study aimed to evaluate the neuroprotective effects of C. brasiliense peel ethanolic extract (CBPE) against transient global I/R injury in the rat brain.
Source: Journal of Stroke and Cerebrovascular Diseases - January 18, 2023 Category: Neurology Authors: Marina Pacheco Miguel, Liliana Borges de Menezes, Leandro Guimar ães Franco, Mariana Moreira Andrascko, Ana Carolina Brigolin Parize, Juliana Carvalho de Almeida Borges, Lorena Lima Barboza Guimarães, Danilo Rezende e Silva, Suzana da Costa Santos, Eugà Source Type: research

Cordycepin Ameliorates Intracerebral Hemorrhage Induced Neurological and Cognitive Impairments Through Reducing Anti-Oxidative Stress in a Mouse Model
The nerve damage and cognitive impairment caused by intracerebral hemorrhage (ICH) seriously affect the quality of life of patients. Cordycepin has been reported to have antioxidant and neuroprotective functions. However, the therapeutic effect of cordycepin on cognitive impairment caused by ICH is still unclear.
Source: Journal of Stroke and Cerebrovascular Diseases - November 11, 2021 Category: Neurology Authors: Qingbao Yan, Haidong Zhang, Kai Hui, Qi Shao Source Type: research

Lung SOD3 limits neurovascular reperfusion injury and systemic immune activation following transient global cerebral ischemia
In this study, we investigated whether targeted expression of the antioxidant extracellular superoxide dismutase (SOD3) within the lung would influence post-ischemic peripheral neutrophil activation and CNS reperfusion injury.
Source: Journal of Stroke and Cerebrovascular Diseases - May 13, 2020 Category: Neurology Authors: Marc W. Halterman, Nguyen Mai, Viollandi Prifti, Kihong Lim, Michael A. O'Reilly, Minsoo Kim Source Type: research

Twendee X Ameliorates Phosphorylated Tau, α-Synuclein and Neurovascular Dysfunction in Alzheimer's Disease Transgenic Mice With Chronic Cerebral Hypoperfusion
Background: The pathological impact of chronic cerebral hypoperfusion (CCH) on Alzheimer's disease (AD) is still poorly understood. In the present study, we investigated the role of CCH on an AD mouse model in phosphorylated tau and α-synuclein pathology, neurovascular unit, cerebrovascular remodeling, and neurovascular trophic coupling. Moreover, examined protective effect of a new antioxidant Twendee X (TwX). Methods: APP23 mice were implanted to bilateral common carotid arteries stenosis with ameroid constrictors to gradual ly decrease the cerebral blood flow.
Source: Journal of Stroke and Cerebrovascular Diseases - August 2, 2019 Category: Neurology Authors: Xia Liu, Toru Yamashita, Jingwei Shang, Xiaowen Shi, Ryuta Morihara, Yong Huang, Kota Sato, Mami Takemoto, Nozomi Hishikawa, Yasuyuki Ohta, Koji Abe Source Type: research

Total Antioxidant Capacity Predicts Outcome in Acute Ischemic Stroke Subtypes in Egyptian Patients
Background: Oxidative stress after ischemic stroke contributes to neuronal cell injury. We tried to demonstrate an association between total antioxidant capacity (TAC) levels and outcomes after acute ischemic stroke (AIS). Methods: We enrolled 60 patients (36 females and 24 males) who were admitted to our hospital due to AIS, in addition to 30 age and sex-matched healthy controls. TAC levels were measured on day 1 of stroke onset, the relationships between TAC levels, stroke subtypes, and clinical outcomes based on the National Institutes of Health Stroke Scale and modified Rankin scale upon discharge were evaluated.
Source: Journal of Stroke and Cerebrovascular Diseases - April 19, 2019 Category: Neurology Authors: Nesma A.M. Ghonimi, Mohamed E. Mahdy, Osama A. Abdel Salam Source Type: research

MiR-34b Protects Against Focal Cerebral Ischemia-Reperfusion (I/R) Injury in Rat by Targeting Keap1
Ischemic stroke is one of the leading causes of death and disability globally and has been regarded as a major public health problem. Understanding the mechanism of ischemia/reperfusion (I/R)-induced oxidative stress injury may provide new treatment for ischemic stroke. Kelch-like ECH-associated protein 1 (Keap1)/ NF-E2-related factor 2 (Nrf2)/ antioxidant response elements (ARE) signaling pathway has been considered to be the major cellular defense against oxidative stress. In the present study, our objective is to evaluate the molecular mechanism of miR-34b/Keap1 in modulating focal cerebral I/R induced oxidative injury.
Source: Journal of Stroke and Cerebrovascular Diseases - October 24, 2018 Category: Neurology Authors: Rong Huang, Juan Ma, Bo Niu, Jin Li, Jian Chang, Yanrui Zhang, Peng Liu, Xinping Luan Source Type: research

IMM-H004, a Novel Coumarin Derivative Compound, Inhibits H2O2-Induced Neurotoxicity via Antioxidant and Antiapoptosis in PC12 Cells
IMM-H004 [7-hydroxy-5-methoxy-4-methyl-3-(4-methylpiperazin-1-yl)-coumarin] is a novel derivative of coumarin, which played neuroprotective roles in brain ischemia in rats in previous studies. Although antiapoptosis and improving synapsis structure were proved, the effects and mechanisms of IMM-H004 in brain ischemia need further study. In this paper, the effect of IMM-H004 on H2O2-induced neurotoxicity in pheochromocytoma (PC12) cells was researched. Morphological observation, MTT method and PI/Hoechst staining were used to indicate cell viability and apoptosis.
Source: Journal of Stroke and Cerebrovascular Diseases - September 19, 2018 Category: Neurology Authors: Xiu-Yun Song, Jin-Feng Hu, Dong-Hui Wu, Hai-Jie Ji, Nai-Hong Chen Source Type: research

Reduction of Ischemia Reperfusion-Related Brain Hemorrhage by Stachybotrys Microspora Triprenyl Phenol-7 in Mice With Antioxidant Effects
Stachybotrys microspora triprenyl phenol-7 (SMTP-7) has both thrombolytic and anti-inflammatory effects, but its neuroprotective effects on cerebral ischemia are still unclear. The present study assessed the antioxidative and neurovascular unit (NVU) protective effects of SMTP-7 using transient middle cerebral artery occlusion (tMCAO) mice.
Source: Journal of Stroke and Cerebrovascular Diseases - September 7, 2018 Category: Neurology Authors: Yong Huang, Yasuyuki Ohta, Jingwei Shang, Xianghong Li, Xia Liu, Xiaowen Shi, Tian Feng, Toru Yamashita, Kota Sato, Mami Takemoto, Nozomi Hishikawa, Eriko Suzuki, Keiji Hasumi, Koji Abe Source Type: research

Treatment with Uric Acid Reduces Infarct and Improves Neurologic Function in Female Mice After Transient Cerebral Ischemia
Exogenous administration of uric acid, a naturally occurring antioxidant that scavenges reactive oxygen species in vasculature, has shown protective efficacy in both rodent models of stroke and human stroke patients in Spain as an adjuvant treatment to mechanical thrombectomy. Before clinical trials can be initiated in the United States, however, confirmation of efficacy in alternative preclinical models is required in accordance with stroke therapy academic industry roundtable-RIGOR criteria. To date, preclinical efficacy has only been established in the acute setting in male rodents.
Source: Journal of Stroke and Cerebrovascular Diseases - February 3, 2018 Category: Neurology Authors: Nirav Dhanesha, Edwin V ázquez-Rosa, Coral J. Cintrón-Pérez, Daniel Thedens, Alexa J. Kort, Vicky Chuong, Adriana M. Rivera-Dompenciel, Anil K. Chauhan, Enrique C. Leira, Andrew A. Pieper Source Type: research