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首页> 外文期刊>The journals of gerontology.Series A. Biological sciences and medical sciences >Effects of Exercise on Inflammatory, Oxidative, and Neurotrophic Biomarkers on Cognitively Impaired Individuals Diagnosed With Dementia or Mild Cognitive Impairment: A Systematic Review and Meta-Analysis
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Effects of Exercise on Inflammatory, Oxidative, and Neurotrophic Biomarkers on Cognitively Impaired Individuals Diagnosed With Dementia or Mild Cognitive Impairment: A Systematic Review and Meta-Analysis

机译:运动对炎症,氧化和神经营养生物标志物对患有痴呆或轻度认知障碍的认知受损个体的影响:系统审查和荟萃分析

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摘要

Although the effects of physical exercise (PE) on cognitive function in dementia and mild cognitive impairment (MCI) have been largely studied, its biochemical effect is still poorly explored. The aim of this systematic review was to investigate the effects of PE on inflammatory, oxidative, and neurotrophic biomarkers of participants with MCI or dementia. Six electronic databases, (PubMed, Cochrane Central, Embase, PEDro, PsycINFO, and SportDiscus) were searched for randomized controlled trials assessing the effects of PE on serum and/or plasma biomarkers of elderly participants with MCI or dementia. After selection process, eight studies were included. Meta-analysis was performed by comparison of changes from baseline, using the random effects method. Meta-analysis showed a significant effect of aerobic exercise on interleukin-6 and tumor necrosis factor alpha decrease and positive effects on brain-derived neurotrophic factor expression. As only one study was included with oxidative biomarker assessment, the effects of PE on oxidative process remain unclear. Finally, even though it was possible to observe positive effects of PE on some biomarkers of MCI and dementia individuals, current evidence does not allow drawing specific practical recommendations such as type, frequency, intensity, or duration of PE in these population. Further researches aiming to estimate the PE effectiveness on biomarkers of MCI and Alzheimer's disease are needed.
机译:虽然体育锻炼(PE)对痴呆症和轻度认知障碍(MCI)的认知功能的影响已在很大程度上研究,其生化效果仍然很差。该系统审查的目的是探讨PE对来自MCI或痴呆的参与者炎症,氧化和神经营养生物标志物的影响。搜索了六种电子数据库,(PubMed,Cochrane Central,Embase,Pedro,Psycinfo和Sportdiscus)进行了可随机对照试验,评估PE对MCI或痴呆症的老年人参与者的血清和/或血浆生物标志物的影响。选择过程后,包括八项研究。通过使用随机效应法比较从基线的变化进行的Meta分析。 Meta分析表明,有氧运动对白细胞介素-6和肿瘤坏死因子α的显着效果降低和对脑衍生的神经营养因子表达的积极影响。由于氧化生物标志物评估仅包括一项研究,PE对氧化过程的影响仍然不清楚。最后,尽管有可能观察PE对MCI和痴呆症的一些生物标志物的积极作用,但目前的证据不允许在这些人群中绘制特定的实际建议,例如PE中PE的类型,频率,强度或持续时间。旨在估算MCI和阿尔茨海默病生物标志物对体育效能的进一步研究。

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