proanthocyanidin a 4/infarction

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Oligomeric proanthocyanidins protect myocardium by mitigating left ventricular remodeling in isoproterenol-induced postmyocardial infarction.

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Extracellular matrix (ECM) remodeling is a major pathophysiological process during post-myocardial infarction (MI). The activation, differentiation, and proliferation of cardiac fibroblasts to myofibroblasts regulate the expression of ECM proteins. The signaling by bone morphogenetic protein

[The effect of proanthocyanidins from Alhagi pseudoalhagi (M. B.) Desv on the course of experimental myocardial infarct].

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Intravenous proantocyanidin isolated from Alhagi pseudoalhagi (M. B.) Desv, 5-10 mg/kg, has no effects on the general hemodynamics and cardiac contractility of intact rats and rabbits. The agent given to animals with experimental myocardial infarction reduces serum creatinine phosphate levels and

Protective effect of ginkgo proanthocyanidins against cerebral ischemia/reperfusion injury associated with its antioxidant effects.

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Proanthocyanidins have been shown to effectively protect ischemic neurons, but its mechanism remains poorly understood. Ginkgo proanthocyanidins (20, 40, 80 mg/kg) were intraperitoneally administered 1, 24, 48 and 72 hours before reperfusion. Results showed that ginkgo proanthocyanidins could

Polyphenols from Parabarium huaitingii and their positive inotropic and anti-myocardial infarction effects in rats.

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Eight phenolic compounds, including (-)-epicatechin (1) and seven proanthocyanidins (2-8), were obtained from the butanol extract of Parabarium huaitingii (PHB). Their chemical structures were identified based on analyses of mass spectra (MS), NMR, CD spectra, and partial acid catalyzed thiolytic

Grape seed proanthocyanidins attenuate apoptosis in ischemic stroke.

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Grape seed proanthocyanidins (GSP) has been reported to attenuate endoplasmic reticulum (ER) stress-induced apoptosis, which is associated with ischemic stroke. However, whether GSP pays crucial roles in ischemic stroke still remains unclear. The purpose of this study is to explore the role of GSP

Protective effect of grape seed proanthocyanidins extracts on reperfusion arrhythmia in rabbits.

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Reperfusion arrhythmia (RA) is one of the main complications which are also an important cause of sudden cardiac death. The aim of this study was to clarify whether grape seed proanthocyanidins extracts (GSPE) were therapeutic agents against RA. The models of cardiac ischemic reperfusion injury were

Cardioprotective effects of grape seed proanthocyanidin against ischemic reperfusion injury.

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There is increasing evidence to indicate cardioprotective effects of red wine consumption. Such cardioprotective properties of wine have been attributed to certain polyphenolic constituents of grapes. The purpose of this investigation was to examine whether proanthocyanidins derived from grape seeds

Amelioration of the cardiovascular manifestations of the yellow scorpion Leiurus quinquestriatus envenomation in rats by red grape seeds proanthocyanidins.

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The study attempts to determine the involvement of oxidative stress in cardiovascular manifestations during Leiurus quinquestriatus quinquestriatus (LQQ) scorpion envenomation and to examine the possible protective role of red grape seed proanthocyanidins (GSP) against such effects. Lethality

Molecular mechanisms of cardioprotection by a novel grape seed proanthocyanidin extract.

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Free radicals and oxidative stress play a crucial role in the pathophysiology of a broad spectrum of cardiovascular diseases including congestive heart failure, valvular heart disease, cardiomyopathy, hypertrophy, atherosclerosis and ischemic heart disease. We have demonstrated that IH636 grape seed

Free radicals and grape seed proanthocyanidin extract: importance in human health and disease prevention.

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Free radicals have been implicated in over a hundred disease conditions in humans, including arthritis, hemorrhagic shock, atherosclerosis, advancing age, ischemia and reperfusion injury of many organs, Alzheimer and Parkinson's disease, gastrointestinal dysfunctions, tumor promotion and

Ginkgo biloba and Its Constituent 6-hydroxykynurenic-acid as well as Its Proanthocyanidins Exert Neurorestorative Effects against Cerebral Ischemia.

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Neuroprotective effects against cerebral ischemia/reperfusion (I/R) injury by Ginkgo biloba leaves are commonly attributed to the antioxidant activity of its proanthocyanidins. Furthermore, preliminary experiments identified 6-hydroxykynurenic acid (6-HKA) as a major contributor to this

Pretreatment of Grape Seed Proanthocyanidin Extract Exerts Neuroprotective Effect in Murine Model of Neonatal Hypoxic-ischemic Brain Injury by Its Antiapoptotic Property.

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Grape seed proanthocyanidin extract (GSPE), an active component extracted from the grape, has been reported to demonstrate antioxidant, anti-inflammatory, anticancer, and antiapoptosis effects. However, little is known about the role of GSPE on neonatal hypoxic-ischemic (HI) brain injury. The aim of

The introduction of the stilbene synthase gene enhances the natural antiradical activity of Lycopersicon esculentum mill.

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Tomato (Lycopersicon esculentum) is a vegetable rich in antioxidants, such as lycopene, lutein, and zeaxanthin. Their presence is responsible for the characteristic ability of this product to inhibit the formation of reactive oxygen species, including singlet oxygen. The grapes and wines derived

Cardioprotective and anti-apoptotic effects of Potentilla reptans L. root via Nrf2 pathway in an isolated rat heart ischemia/reperfusion model.

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BACKGROUND Previous studies have shown that proanthocyanidins have cardioprotective effects which are mediated via the release of nitric oxide (NO) ultimately resulting in increasing the antioxidant activity. We have investigated to show whether 1) the total extract and ethyl acetate fraction (Et)

Cardioprotection with alcohol: role of both alcohol and polyphenolic antioxidants.

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Both epidemiological and experimental studies indicate that mild-to-moderate alcohol consumption is associated with a reduced incidence of mortality and morbidity from coronary heart disease. The consumption of wine, particularly red wine, imparts a greater benefit in the prevention of coronary

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