Abstract:
:The effect of food restriction on the survival characteristics, membrane microviscosity and proliferative response in lymphocytes of female Wistar undernourished rats has been evaluated. Diet restriction was applied starting from the age of 3.5 months by feeding the animals on an every-other-day schedule (EOD). Diet restricted animals showed an increase of both mean, median and maximal life span as compared to the rats fed ad libitum (AL). Analyzing the survival curves by a parametric model, it emerged that undernutrition increased the individual resistance to environmental insults. In particular, it could be speculated that the positive influence was more pronounced in individuals with the lowest physiological capacities. The membrane microviscosity of lymphocytes was lower in EOD animals as compared to the AL ones even if one assumes a decrease in body temperature of 1-2 degrees C in EOD groups. The improvement of membrane microviscosity due to diet restriction may in part explain the improvement of proliferative response of lymphocytes from EOD groups.
journal_name
Arch Gerontol Geriatrjournal_title
Archives of gerontology and geriatricsauthors
Pieri C,Recchioni R,Moroni F,Marcheselli F,Falasca M,Piantanelli Ldoi
10.1016/0167-4943(90)90001-msubject
Has Abstractpub_date
1990-09-01 00:00:00pages
99-108issue
2eissn
0167-4943issn
1872-6976pii
016749439090001Mjournal_volume
11pub_type
杂志文章abstract::Subjective well-being is a major psychological construct in the research tradition. Along with literature, authors have distinguished between hedonic and eudaimonic well-being. The aim of this study is to determine the role of some psychosocial variables plays in the perceived well-being is conceived from a hedonic or...
journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
pub_type: 杂志文章
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
pub_type: 杂志文章
doi:10.1016/j.archger.2011.10.004
更新日期:2012-09-01 00:00:00
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
pub_type: 杂志文章,meta分析
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更新日期:2019-01-01 00:00:00
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journal_title:Archives of gerontology and geriatrics
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journal_title:Archives of gerontology and geriatrics
pub_type: 杂志文章
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journal_title:Archives of gerontology and geriatrics
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1999-11-01 00:00:00
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journal_title:Archives of gerontology and geriatrics
pub_type: 杂志文章
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