FOLLOWING the injection of nicotinamide, large increases in the diphosphopyridine nucleotide content of mouse tissues, particularly liver, have been reported by Kaplan and co-workers1. Although it ...

IN the course of experiments on the possible participation of diphosphopyridine nucleotide (DPN) and diphosphopyridine nucleotidase (DPNase, hydrolysing DPN at the nicotinamide–ribose link) in ...