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Nutrition: Antidoxidants

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Total 731 results found since Jan 2013.

Novel mechanistic insight on the neuroprotective effect of berberine: The role of PPAR δ for antioxidant action
Free Radic Biol Med. 2022 Jan 27:S0891-5849(22)00033-8. doi: 10.1016/j.freeradbiomed.2022.01.022. Online ahead of print.ABSTRACTCerebral ischemic stroke ranks the second leading cause of death and the third leading cause of disability in lifetime all around the world, urgently necessitating effective therapeutic interventions. Reactive oxygen species (ROS) have been implicated in stroke pathogenesis and peroxisome proliferator-activated receptors (PPARs) are prominent targets for ROS management. Although recent research has shown antioxidant effect of berberine (BBR), little is known regarding its effect upon ROS-PPARs sig...
Source: Free Radical Biology and Medicine - January 30, 2022 Category: Biology Authors: Jia-Wen Shou Xiao-Xiao Li Yun-Sang Tang Bobby Lim-Ho Kong Hoi-Yan Wu Meng-Jie Xiao Chun-Kai Cheung Pang-Chui Shaw Source Type: research

Dose-Dependent Effects of Astaxanthin on Ischemia/Reperfusion Induced Brain Injury in MCAO Model Rat
Neurochem Res. 2022 Mar 14. doi: 10.1007/s11064-022-03565-5. Online ahead of print.ABSTRACTExcitotoxicity and oxidative stress are central to the pathology of the nervous system, and inhibition of excitotoxicity induced by glutamate is one of the therapeutic goals determined for stroke. The present study aimed to investigate the effects of Astaxanthin, a potent natural antioxidant, on complications caused by acute cerebral stroke. In this research, 60 male Wistar rats were used which were divided into 5 groups as follow: (1) the sham group (vehicle), (2) the ischemic control group (vehicle), and the ischemic groups treated...
Source: Neurochemical Research - March 14, 2022 Category: Neuroscience Authors: Forough Taheri Ehsan Sattari Maryam Hormozi Hassan Ahmadvand Mohammad Reza Bigdeli Parastou Kordestani-Moghadam Khatereh Anbari Sara Milanizadeh Mehrnoush Moghaddasi Source Type: research

Carnosol Inhibits Cerebral Ischemia-Reperfusion Injury by Promoting AMPK Activation
CONCLUSION: Carnosol has a protective effect on ischemic stroke, and this effect is achieved through AMPK activation. Our study demonstrates the protective effect of carnosol on cerebral ischemia-reperfusion injury and provides a new perspective for the clinical treatment of ischemic stroke.PMID:36775042 | DOI:10.1016/j.brainresbull.2023.02.003
Source: Brain Research Bulletin - February 12, 2023 Category: Neurology Authors: Wen-Chang Xiao Gang Zhou Lu Wan Jun Tu Yong-Jie Yu Zhi-Gang She Chun-Lin Xu Lei Wang Source Type: research

How To Avoid China ’ s Medicine Monopoly
I want to share a shocking statistic with you… Around 80% of all the pharmaceuticals sold in America — both prescription and over-the-counter — are manufactured in China. I’m talking about drugs for Parkinson’s and Alzheimer’s, blood pressure and blood thinners, diuretics, aspirin, antibiotics, and a big chunk of the world’s insulin and diabetes drugs — just to name a few.1 We don’t even make penicillin anymore. The last penicillin plant in the U.S. closed its doors in 2004. Americans who rely on medicine are now almost entirely at the mercy of a country whose relations with the U.S. have become more ...
Source: Al Sears, MD Natural Remedies - September 19, 2023 Category: Complementary Medicine Authors: Jacob Tags: Health Source Type: news

Solasodine protects rat brain against ischemia/reperfusion injury through its antioxidant activity.
Abstract Ischemic stroke is the second leading cause of death worldwide. The major limitation of stroke management is the lack of clinically effective therapy. Antioxidants have been demonstrated as potent neuroprotective agents by enhancing the defense mechanism(s), whereas reducing the oxidative stress in the ischemic stroke models. In the present study, we evaluated neuroprotective potential of solasodine, an antioxidant glycoalkaloid of Solanum species, against global model of ischemia in rats. Ischemia/reperfusion (I/R)-injury produced marked elevation in lipid peroxidation (LPO) and nitric oxide (NO), wherea...
Source: European Journal of Pharmacology - January 17, 2014 Category: Drugs & Pharmacology Authors: Tejas S, Vishal A, Nimesh P, Devendra V, Ranpariya V, Sheth N, Parmar S Tags: Eur J Pharmacol Source Type: research

Neuroprotective Effects of Grape Seed Procyanidin Extract on Ischemia-Reperfusion Brain Injury
Conclusion GSPE administration protects mice from ischemia-reperfusion brain injury through attenuating oxidative stress and apoptosis, promoting angiogenesis, and activating antioxidant enzyme GSH-Px. GSPE may represent a new therapeutical direction for the treatment of ischemia-reperfusion brain injury.
Source: Chinese Medical Sciences Journal - July 13, 2017 Category: General Medicine Source Type: research

Poststroke Depressive Symptoms Are Associated With Increased Oxidative Deoxyribonucleic Acid Damage.
Authors: Chen CY, Chen CL, Yang YH, Ho CH, Tseng WC Abstract Poststroke depression is independently associated with poor health outcomes, such as increased mortality, disability, anxiety, and lower quality of life. Identifying the potential biomarkers and detailed mechanisms of poststroke depression may improve the effectiveness of therapeutic intervention. In this cross-sectional study, the authors recruited patients with subacute ischemic stroke who were consecutively admitted for neurorehabilitation. Depression was assessed with the Patient Health Questionnaire-9 (PHQ-9), with a cutoff based on a summed-items sc...
Source: Journal of Neuropsychiatry and Clinical Neurosciences - January 27, 2018 Category: Psychiatry Tags: J Neuropsychiatry Clin Neurosci Source Type: research

Neuroprotective effect of Paeoniae Radix Rubra on hippocampal CA1: region of mice induced by transient focal cerebral ischemia via anti-gliosis and anti-oxidant activity
Conclusion: PRR improved neuronal injuries that were induced by transient cerebral ischemia via inhibiting gliosis and elevating antioxidants.
Source: Chinese Herbal Medicines - October 29, 2018 Category: Complementary Medicine Source Type: research

Study: Drinking Tea May Help You Live Longer, Especially If It ’ s Green
This study strengthens the body of evidence that habitual tea drinking is associated with lower rates of atherosclerotic cardiovascular disease, though it cannot prove that it’s definitely the tea that’s responsible,” Dr. Jenna Macciochi, a lecturer in immunology at the University of Sussex, told the SMC. However, she noted that “a body of evidence in nutrition suggests that whole diet patterns are more informative of diet-disease relationships than any isolated food or nutrient.” Dr. Duane Mellor, a registered dietitian and senior teaching fellow at Aston Medical School, Aston University, sai...
Source: WBZ-TV - Breaking News, Weather and Sports for Boston, Worcester and New Hampshire - January 10, 2020 Category: Consumer Health News Authors: Health – CBS Boston Tags: Health News Syndicated CBSN Boston CNN Green Tea Source Type: news

Tyrosol as a neuroprotector: strong effects of a "weak" antioxidant.
Abstract The use of neuroprotective agents for stroke is pathogenetically justified, but the translation of results of preclinical studies of neuroprotectors into clinical practice has been a noticeable failure. One of the leading reasons for these failures is the one-target mechanism of their activity. p-Tyrosol (Tyr), a biophenol, is present in a variety of natural sources, mainly in foods, such as olive oil and wine. Tyr has a wide spectrum of biological activity: antioxidant, stress-protective, anti-inflammatory, anticancer, cardioprotective, neuroprotective and many others. This review analyzes data on the ne...
Source: Current Neuropharmacology - May 5, 2020 Category: Drugs & Pharmacology Authors: Plotnikov MB, Plotnikova TM Tags: Curr Neuropharmacol Source Type: research

Promotion of Momordica Charantia polysaccharides on neural stem cell proliferation by increasing SIRT1 activity after cerebral ischemia/reperfusion in rats
Brain Res Bull. 2021 Feb 26:S0361-9230(21)00058-7. doi: 10.1016/j.brainresbull.2021.02.016. Online ahead of print.ABSTRACTThe deacetylase SIRT1 has been reported to play a critical role in regulating neurogenesis, which may be an adaptive processes contributing to recovery after stroke. Our previous work showed that the antioxidant capacity of Momordica charantia polysaccharides (MCPs) could protect against cerebral ischemia/reperfusion (I/R) after stroke. However, whether the protective effect of MCPs on I/R injury is related to NSCs proliferation remains unclear. In the present study, we designed in vivo and in vitro exp...
Source: Brain Research Bulletin - March 1, 2021 Category: Neurology Authors: Juyun Ma Haidi Fan Heng Cai Zhaoli Hu Xiaoling Zhou Fengying Li Hansen Chen Jiangang Shen Suhua Qi Source Type: research