acetaldehyde/stroke

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Influence of ethanol-gasoline blended fuel on emission characteristics from a four-stroke motorcycle engine.

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Emission characteristics from a four-stroke motorcycle engine using 10% (v/v) ethanol-gasoline blended fuel (E10) were investigated at different driving modes on the chassis dynamometers. The results indicate that CO and HC emissions in the engine exhaust are lower with the operation of E10 as

Aldehyde dehydrogenase 2 rs671G>A polymorphism and ischemic stroke risk in Chinese population: a meta-analysis.

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Introduction: Recently, molecular epidemiological studies have suggested that aldehyde dehydrogenase 2 (ALDH2) rs671 G>A polymorphism may be a risk factor for ischemic stroke (IS). However, the results reported have not been consistent. Methods: We conducted the meta-analysis

Comparative study of alcohol metabolism in stroke-prone spontaneously hypertensive rats and Wistar-Kyoto rats fed normal or low levels of dietary protein.

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Our previous experiments have shown that the appetite or preference for alcohol is affected by the rat strain and nutritional status, such as dietary protein levels. To determine the affected factors in alcohol preference, the alcohol metabolism in SHRSP (stroke-prone spontaneously hypertensive

Ethanol and acetaldehyde in alcoholic cardiomyopathy: from bad to ugly en route to oxidative stress.

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Alcoholic cardiomyopathy is characterized by cardiomegaly, disruptions of myofibrillary architecture, reduced myocardial contractility, decreased ejection fraction, and enhanced risk of stroke and hypertension. Although several mechanisms have been postulated for alcoholic cardiomyopathy, including

Aldehyde dehydrogenase 2 polymorphism as a protective factor for intracranial vascular stenosis in ischemic stroke in Han Chinese.

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OBJECTIVE Aldehyde dehydrogenase 2 (ALDH2) is a key enzyme that metabolizes acetaldehyde to acetic acid. ALDH2 gene polymorphism modifies its activity and the mutation of ALDH2 gene has been reported to be associated with the protection against ischemic stroke. However, the potential association of

ALDH2 and Stroke: A Systematic Review of the Evidence.

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Cerebral stroke is one of the leading causes of mortality and disability worldwide. The prevalence of cerebral stroke is the result of the synergistic effect of genetic susceptibility and numerous vascular risk factors, including hypertension, diabetes, excessive alcohol intake, obesity, and

Emissions of aldehydes and ketones from a two-stroke engine using ethanol and ethanol-blended gasoline as fuel.

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Besides aliphatic gasoline, ethanol-blended gasoline intended for use in small utility engines was recently introduced on the Swedish market. For small utility engines, little data is available showing the effects of these fuels on exhaust emissions, especially concerning aldehydes and ketones

Preparation of corn peptide from corn gluten meal and its administration effect on alcohol metabolism in stroke-prone spontaneously hypertensive rats.

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Corn peptide (CP) was prepared from corn gluten meal by proteolysis with alkaline protease from alkalophilic Bacillus A-7. Free amino acids were not found in the CP product. Gel filtration on a Shodex OH-packed column revealed that the molecular weight distribution of the CP was less than about

Volatile organic profiles and photochemical potentials from motorcycle engine exhaust.

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This study surveyed emissions from 2- and 4-stroke new and in-use motorcycles. Emission tests were carried out on a dynamometer following the designated test procedure of the Economic Commission for Europe (ECE). Samples were derived during various driving stages, which included idle, acceleration,

Automated and quantitative headspace in-tube extraction for the accurate determination of highly volatile compounds from wines and beers.

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An automatic headspace in-tube extraction (ITEX) method for the accurate determination of acetaldehyde, ethyl acetate, diacetyl and other volatile compounds from wine and beer has been developed and validated. Method accuracy is based on the nearly quantitative transference of volatile compounds

Heavy ethanol consumption aggravates the ischemic cerebral injury by inhibiting ALDH2.

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BACKGROUND Heavy ethanol consumption is widely accepted as a risk for ischemic stroke. The molecular mechanisms of ethanol-induced brain injury have not been fully understood. OBJECTIVE This study aims to find out the mechanism of the ischemic cerebral injury. METHODS We used Sprague-Dawley rats

Low-Km aldehyde dehydrogenase deficiency does not influence the elevation of blood pressure by alcohol.

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Increased alcohol consumption causes hypertension and leads to higher death rates by hemorrhagic strokes. About half of the Japanese population have inactive low Km aldehyde dehydrogenase (ALDH2), which metabolizes acetaldehyde to acetic acid at very low concentrations, leading to severe

Multiple automated headspace in-tube extraction for the accurate analysis of relevant wine aroma compounds and for the estimation of their relative liquid-gas transfer rates.

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An automated headspace in-tube extraction (ITEX) method combined with multiple headspace extraction (MHE) has been developed to provide simultaneously information about the accurate wine content in 20 relevant aroma compounds and about their relative transfer rates to the headspace and hence about

Alcohol and the heart. Intense hemodynamic changes associated with alcohol flush in orientals.

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To evaluate the hemodynamic changes related to alcohol flush, the effects of ethanol intake (0.5 g/kg) were studied by echocardiography and systolic time intervals in 10 Finnish and 9 Japanese healthy volunteers. In 5 Japanese subjects, post-drink facial flush was associated with elevated blood

Mechanisms of alcoholic heart disease.

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Compromised heart function is regularly seen in patients with chronic alcohol ingestion and is often manifested as cardiomegaly, reduced myocardial contractility (with concomitant reductions in ejection fraction and stroke volume), myocardial fibrosis, enhanced risk of stroke and hypertension, and

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