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多胺 (ｐｏｌｙｍａｉｎｅｓ,ＰＡｓ)为低分子直链非蛋白性含氮化合物 ,主要有腐胺 (ｐｕｔｒｅｓｃｉｎｅ ,Ｐｕ)、精脒 (ｓｐｅｒｍｉ ｄｉｎｅ ,Ｓｄ)和精胺 (ｓｐｅｒｍｉｎｅ ,Ｓｍ)。ＰＡｓ源于Ｌ -鸟氨酸和Ｌ -蛋氨酸 ,与细胞生长、分化与增殖有密切关系 ,在生物大分子
Polyamines (PAs) are low-molecular-weight, linear and non-protein nitrogen compounds. They mainly include putrescine (Pu), spermi dine (Sd) and spermine (Sm). PAs are derived from L - ornithine and L - methionine and are closely related to the growth, differentiation and proliferation of cells. In biological macromolecules