Polyamine, involved in a variety of physiological and pathological process in the body, is widely distributed in biological tissues and fluids, which can promote cell growth, differentiation, hyperplasia. They show great significance in maintaining the integrity of the cell membrane and mitochondria, stability of DNA and RNA structure, and in signal trans-duction, gene expression, protein synthesis. Polyamine participates in the occur of myocardial ischemia injury. The imbalance of polyamine metabolism, changes of ornithine decarboxylase and spermidine/spermine N 1-acetyltransferase activities...
