OXIDATIVE STRESS AND AGING: STUDIES ON AN EAST-SICILIAN, ULTRAOCTAGENARIAN POPULATION LIVING IN INSTITUTES OR AT HOME

IF 3.8 3区 医学 Q2 GERIATRICS & GERONTOLOGY Archives of gerontology and geriatrics Pub Date : 2004-01-01 DOI:10.1016/j.archger.2004.04.037
D. MAUGERI, A. SANTANGELO, M.R. BONANNO, M. TESTAI, S. ABBATE, F. LO GIUDICE, C. MAMAZZA, N. PUGLISI, P. PANEBIANCO
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氧化应激与衰老:西西里岛东部、研究所和家庭超八十岁人群的研究
自由基在衰老中的作用多年来一直是研究的中心。据推测,随着年龄的增长,氧自由基的破坏性影响可能在生物体的所有成分上积累,特别是在DNA和线粒体上。此外,由于抗氧化系统的效率降低,氧化机制在许多年龄依赖性疾病中占主导地位,如动脉硬化、帕金森和阿尔茨海默病。本研究旨在揭示自由基水平与居住在研究所或家中的超八十岁东西西里人口的心理生理健康状况之间的最终相关性。我们的研究人群包括125名超八十岁老人,其中62人住在机构,63人住在机构外。采用自由基分析系统(FRAS)评价活性氧代谢物(D-ROMs)衍生物的自由基效应。结果用卡拉泰利单位(U-CARR)表示。采用简易精神状态测验(MMSE)、老年抑郁量表(GDS)、日常生活活动量表(ADL)和工具性日常生活活动量表(IADL)评估被试的身心状态。通过微量营养评估(MNA)和体能测试(PPT)对被试的营养状况和体力活动进行评估。所有研究参数进行Pearson相关分析。总体上,自由基水平与认知能力(p < 0.0001)、自主性、自给性水平、体力活动水平呈显著负相关(p < 0.01)。这些相关性在制度化的研究对象中表现得更为明显。自由基水平与营养状况之间存在统计学上显著的正相关(p < 0.001)。这些研究揭示了被收容人群和非被收容人群之间的一些重要差异。前一组氧自由基水平较高,表明氧化应激更强,影响老年受试者的心理生理状态。这可能会对生活质量和持续时间产生负面影响。很难确定自由基在确定衰老模式中的确切作用,但它们可以毫无疑问地被认为是氧化应激增强的真正“标志物”,伴随着不成功的衰老过程。
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来源期刊
CiteScore
7.30
自引率
5.00%
发文量
198
审稿时长
16 days
期刊介绍: Archives of Gerontology and Geriatrics provides a medium for the publication of papers from the fields of experimental gerontology and clinical and social geriatrics. The principal aim of the journal is to facilitate the exchange of information between specialists in these three fields of gerontological research. Experimental papers dealing with the basic mechanisms of aging at molecular, cellular, tissue or organ levels will be published. Clinical papers will be accepted if they provide sufficiently new information or are of fundamental importance for the knowledge of human aging. Purely descriptive clinical papers will be accepted only if the results permit further interpretation. Papers dealing with anti-aging pharmacological preparations in humans are welcome. Papers on the social aspects of geriatrics will be accepted if they are of general interest regarding the epidemiology of aging and the efficiency and working methods of the social organizations for the health care of the elderly.
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