Healthy aging: is smaller better? - a mini-review.

Healthy aging: is smaller better? - a mini-review.
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DOI:
10.1159/000335166
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发表时间:
2012
期刊:
影响因子:
3.5
通讯作者:
Bartke A
Bartke A
中科院分区:
医学2区
文献类型:
--
作者:
Bartke A

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最近的一份报告显示,遗传性侏儒症患者几乎完全免于糖尿病和癌症的侵袭,这重新唤起了人们对阐明生长、成年人体型、年龄相关疾病和长寿之间关系的兴趣。在许多物种中,较小的个体比较大的个体寿命长,在对不同人群的研究中也显示了类似的关系。成年体的大小强烈依赖于生长激素(GH)的作用,并且在小鼠中缺乏GH或GH受体导致寿命显著延长。已经确定了许多可能解释或促成这种关联的机制。研究表明,在不同年龄段适度调整饮食,可以通过降低刺激生长的激素水平来延长人类的健康寿命和寿命。
A recent report of virtually complete protection from diabetes and cancer in a population of people with hereditary dwarfism revived interest in elucidating the relationships between growth, adult body size, age-related disease and longevity. In many species, smaller individuals outlive those that are larger and a similar relationship was shown in studies of various human populations. Adult body size is strongly dependent on the actions of growth hormone (GH) and the absence of GH or GH receptor in mice leads to a remarkable extension of longevity. Many mechanisms that may account for, or contribute to, this association have been identified. It is suggested that modest modifications of the diet at different ages may extend human healthspan and lifespan by reducing levels of hormones that stimulate growth.
生长激素受体的破坏可防止卡路里的限制改善胰岛素作用和寿命。
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