出典:Wiktionary
spermidine (countable かつ uncountable, 複数形 spermidines)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/19 23:55 UTC 版)
Spermidine is a polyamine involved in cellular metabolism. Its known actions include: inhibition of neuronal nitric oxide synthase, nNOS, assisting the in vitro process of transcribing RNA, it stimulates T4 polynucleotide kinase and T7 RNA polymerase activity, it binds to and precipitates DNA and is utilized in purifying DNA-binding proteins, as a polyamine plant growth regulator it is also a plant hormone-promoting somatic embryogenesis. Spermidine has also been found to reduce the amount of aging in yeast, flies, worms, and human immune cells by inducing autophagy.