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Biosynthesis of Spermidine and Spermine


The polyamines Spermidine and Spermine are naturally occurring ubiquitous polycations involved in the regulation of cell growth, differentiation, apoptosis and progression through the cell cycle. (Ref.1). Cellular polyamine levels are regulated by multiple pathways such as synthesis from amino acid precursors, cellular uptake mechanisms that salvage polyamines from diet and intestinal microorganisms, as well as stepwise degradation and efflux (Ref.2).
Putrescine and S-Adenosylmethionine are t...




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