...T. Vömel In the erythrocytes of individuals below 30 and above 60 years of age, the activities of several ATPases, the contents of ATP, ADP and AMP as well as the concentration of sialic acid on the erythrocyte membrane were measured. All parameters decreased with the sole exception of AMP which...

...M.C. McNamara; A.T. Miller, jr.; A.L. Shen; J.J. Wood The rates of restitution of skeletal muscle, heart, and brain creatine phosphate and brain ATP, following experimental depletion, were compared in young (3–5 month), adult (12 month) and old (24 month) rats. In skeletal muscle, restitution...

... of choline to acetylcholine by choline acetyltransferase. The consistent energy need for AcCoA synthesis appears obvious when considering that 1 molecule of glucose generates just 2 molecules of AcCoA, but 38 molecules of ATP. In the brain, AcCoA is exclusively synthesized in the glycolitic pathway...