Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics
Print ISSN : 0300-9173
Klotho gene and endothelial function
Yuichiro SaitoMasahiko KurabayashiTetsuya NakamuraRyozo Nagai
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2006 Volume 43 Issue 3 Pages 342-344


The klotho gene, originally identified by insertional mutagenesis in mice, suppresses multiple aging phenotypes (e.g. arteriosclerosis, pulmonary emphysema, osteoporosis, infertility, skin atrophy). We have demonstrated that mice deficient for the klotho gene show endothelial dysfunction as manifested by an attenuated response of aortic relaxation in response to acetylcholine stimulation. Systemic nitric oxide production was also significantly reduced in klotho deficient mice. Oxidative stress was increased in klotho deficient mice. The klotho gene delivery improves multiple aging phenotypes. Our findings establish the basis for the therapeutic potential of klotho gene delivery in age-related diseases.

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