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Nutrition: Antidoxidants

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Total 1078 results found since Jan 2013.

Crocins for Ischemic Stroke: A Review of Current Evidence
Crocins (CRs) and the related active constituents derived from Crocus sativus L. (Saffron) have demonstrated protective effects against cerebral ischemia and ischemic stroke, with various bioactivities including neuroprotection, anti-neuroinflammation, antioxidant, and cardiovascular protection. Among CRs, crocin (CR) has been shown to act on multiple mechanisms and signaling pathways involved in ischemic stroke, including mitochondrial apoptosis, nuclear factor kappa light chain enhancer of B cells pathway, S100 calcium-binding protein B, interleukin-6 and vascular endothelial growth factor-A. CR is generally safe and wel...
Source: Frontiers in Pharmacology - August 5, 2022 Category: Drugs & Pharmacology Source Type: research

Thrombus inhibition and neuroprotection for ischemic stroke treatment through platelet regulation and ROS scavenging
This study may provide a promising therapeutic routine for regulating the microenvironment of ischemic stroke through a combined function of ROS scavenging, microthrombus inhibition, and BBB penetration.PMID:36220787 | DOI:10.1002/cmdc.202200317
Source: ChemMedChem - October 11, 2022 Category: Chemistry Authors: Hongbo Ye Zhifang Ma Lei Liu Tianci Zhang Qiaoyi Han Zehong Xiang Yu Xia Yue Ke Xinghua Guan Qiang Shi Fazly I Ataullakhanov Mikhail Panteleev Source Type: research

Discovery of novel danshensu derivatives bearing pyrazolone moiety as potential anti-ischemic stroke agents with antioxidant activity
In this study, a series of novel danshensu derivatives bearing pyrazolone moieties with dual antioxidant effects were synthesized for the treatment of ischemic stroke. Most compounds exhibited considerable DPPH free radical scavenging ability and neuroprotective activity against H2O2-induced oxidative injury in PC12 neuronal cells, without cytotoxicity. Among these target compounds, Del03 displayed the strongest dose-dependent neuroprotective activity in vitro, directly downregulated intracellular ROS levels, and improved the oxidative stress parameters MDA, SOD, and LDH. Del03 also promoted Nrf2 translocation to the nucle...
Source: Bioorganic Chemistry - November 27, 2022 Category: Chemistry Authors: Yi Li Yunchun Luo Jing Wang Hao Shi Jun Liao Yan Wang Zhesheng Chen Liyan Xiong Chuan Zhang Tingfang Wang Source Type: research

Kinsenoside alleviates oxidative stress-induced blood-brain barrier dysfunction via promoting Nrf2/HO-1 pathway in ischemic stroke
Eur J Pharmacol. 2023 Apr 11:175717. doi: 10.1016/j.ejphar.2023.175717. Online ahead of print.ABSTRACTAn ischemic stroke usually causes blood-brain barrier (BBB) damage and excessive oxidative stress (OS) levels. Kinsenoside (KD), a major effective compound extracted in Chinese herbal medicine Anoectochilus roxburghii (Orchidaceae), has anti-OS effects. The present study focused on exploring KD's protection against OS-mediated cerebral endothelial cell damage and BBB damage within the mouse model. Intracerebroventricular administration of KD upon reperfusion after 1 h ischemia decreased infarct volumes, neurological defici...
Source: European Journal of Pharmacology - April 13, 2023 Category: Drugs & Pharmacology Authors: Nan Qiao Zhaohong An Zeyu Fu Xingyu Chen Qingyi Tong Yonghui Zhang Hong Ren Source Type: research

Lithium Co-administration with rutin improves post-stroke neurological outcomes via suppressing Gsk-3 β activity in a rat model
Free Radic Biol Med. 2023 Jul 4:S0891-5849(23)00522-1. doi: 10.1016/j.freeradbiomed.2023.07.004. Online ahead of print.ABSTRACTCerebral ischemic stroke is one of the leading causes of adult disability worldwide. Reperfusion is the only therapeutic option with a lot of side effects. In the current study, we investigated the efficacy of rutin and lithium co-treatment in improving post-stroke neurological outcomes in a transient global cerebral ischemia-reperfusion injury rat model. Middle-aged male rats were subjected to transient global cerebral ischemia-reperfusion. NORT and Y-maze were used to assess the cognitive process...
Source: Free Radical Biology and Medicine - July 6, 2023 Category: Biology Authors: Anil Kumar Rana Rajneesh Kumar Durgesh Nandan Shukla Damanpreet Singh Source Type: research

An Analog of gamma-Glutamyl-Cysteine Is a More Stable Drug for the Potential Treatment of Stroke (P01.248)
CONCLUSIONS: The data suggest that the D-analog of Gamma-Glu-Cys may serve as a more stable therapeutic agent.Disclosure: Dr. Forman has nothing to disclose. Dr. Ikpa has nothing to disclose. Dr. Garchow has nothing to disclose. Dr. Sukowski has nothing to disclose. Dr. Peterson has nothing to disclose.
Source: Neurology - February 14, 2013 Category: Neurology Authors: Forman, R., Ikpa, N., Garchow, K., Sukowski, E., Peterson, D. Tags: P01 Cerebrovascular Disease I Source Type: research

Antibodies against HDL Components in Ischaemic Stroke and Coronary Artery Disease.
In this study, we investigated whether antibodies against HDL components had additional value to conventional cardiovascular risk factors for the diagnosis of ischaemic stroke (IS) and coronary artery disease (CAD). Cross-sectional study was conducted on 53 patients with IS, 51 with CAD and 55 healthy controls, and in vitro studies to validate findings of the clinical study. We determined serum immunoglobulin G (IgG) antibodies against HDL (aHDL), apolipoproteins (aApoA-I, aApoA-II and aApoC-I) and paraoxonase-1 (aPON1) as well as PON1 activity (PON1a), total antioxidant capacity and biomarkers of endothelial activation (s...
Source: Thrombosis and Haemostasis - May 3, 2018 Category: Hematology Authors: Batuca JR, Amaral MC, Favas C, Justino GC, Papoila AL, Ames PRJ, Alves JD Tags: Thromb Haemost Source Type: research

Antioxidant reduces risk for second heart attack, stroke
(Oregon Health& Science University) Doctors have long known that in the months after a heart attack or stroke, patients are more likely to have another attack or stroke. Now, a paper in the Journal of the American College of Cardiology explains what happens inside blood vessels to increase risk -- and suggests a new way to treat it.
Source: EurekAlert! - Medicine and Health - September 4, 2018 Category: International Medicine & Public Health Source Type: news

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

N ‐acetylcysteine targets 5 lipoxygenase‐derived, toxic lipids and can synergize with PGE2 to inhibit ferroptosis and improve outcomes following hemorrhagic stroke in mice
This article is protected by copyright. All rights reserved.
Source: Annals of Neurology - October 7, 2018 Category: Neurology Authors: Saravanan S. Karuppagounder, Lauren Alin, Yingxin Chen, David Brand, Megan W. Bourassa, Kristen Dietrich, Cassandra M. Wilkinson, Colby A. Nadeau, Amit Kumar, Steve Perry, John T. Pinto, Victor Darley ‐Usmar, Stephanie Sanchez, Ginger L. Mi Tags: Research Article Source Type: research