Long-lived Klotho mice: new insights into the roles of IGF-1 and insulin-in aging

被引:77
作者
Bartke, A
机构
[1] So Illinois Univ, Sch Med, Dept Internal Med, Springfield, IL 62794 USA
[2] So Illinois Univ, Sch Med, Dept Physiol, Springfield, IL 62794 USA
关键词
D O I
10.1016/j.tem.2006.01.002
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
It was recently reported by Kurosu et al. that overexpression of Klotho, a newly discovered hormone, extends longevity of mice. Because Klotho induces IGF-1 and insulin resistance, these findings appear to contradict previous evidence for increased life span of dwarf mice with reduced IGF-1 and insulin levels and enhanced insulin sensitivity. However, activation of signaling molecules downstream from IGF-1 and insulin receptors is reduced in both Klotho and dwarf mice, suggesting common mechanisms of delayed aging.
引用
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页码:33 / 35
页数:3
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