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Nihon Rinsho. 2016 Sep;74(9):1447-1455.

The pathophysiological importance and therapeutic potential of NAD' biosynthesis and mitochondrial sirtuin SIRT3 in age-associated diseases.

[Article in Japanese]


Nicotinamide adenine dinucleotide(NAD') is a classic coenzyme playing a critical role in cellular redox reactions. Emerging evidence demonstrates that NAD' and its key mediators, NAD+-dependent protein deacetylases (sirtuins), together regulate many important meta- bolic pathways including mitochondrial function. Thus, impaired NAD' biosynthesis is critically involved in the pathophysiology of aging and age-associated diseases. Importantly, administration of key NAD+ intermediates, such as nicotinamide mononucleotide(NMN) or nicotinamide riboside (NR), improves mitochondrial function and exerts remarkable therapeutic effects for various age-associated diseases, such as diabetes and cancer, in mice. In this review, we will summarize and discuss pathophysiological relevance and translational potential of NAD' biology and mitochondrial sirtuin(SIRT3) in age-associated diseases.


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