Spermidine: a novel autophagy inducer and longevity elixir

Home of Kyle J. Norton for The Better of Living & Living Health Human aging is a biological process, no one can stop, but delay it. It is possible that one person looks younger than his or her biological if one engages in healthy living life style and eating healthily by increasing the intake of good healthy food such as whole grain, fruits, vegetables, beans and legumes, etc. and reducing the consumption of harmful foods, such as saturated fat, trans fat, artificial ingredients, etc.
Spermidine is a naturally occurring polyamine involved in multiple biological processes, including DNA metabolism, autophagy and aging.
Spermidine: a novel autophagy inducer and longevity elixir
Spermidine is a ubiquitous polycation that is synthesized from putrescine and serves as a precursor of spermine. Putrescine, spermidine and spermine all are polyamines that participate in multiple known and unknown biological processes. According to the study by the University of Graz, eogenous supply of spermidine prolongs the life span of several model organisms including yeast (Saccharomyces cerevisiae), nematodes (Caenorhabditis elegans) and flies (Drosophila melanogaster) and significantly reduces age-related oxidative protein damage in mice, indicating that this agent may act as a universal anti-aging drug. Spermidine induces autophagy in cultured yeast and mammalian cells, as well as in nematodes and flies. Genetic inactivation of genes essential for autophagy abolishes the life span-prolonging effect of spermidine in yeast, nematodes and flies. These findings complement expanding evidence that autophagy mediates cytoprotection against a variety of noxious agents and can confer longevity when induced at the whole-organism level(13).
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Sources
(13) http://www.ncbi.nlm.nih.gov/pubmed/20110777 
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