In prolonged fasting, however, ketone bodies released in the blood by liver cells as part of the continual metabolization of fatty acids are used as fuels for ATP production by CNS cells.

The invention is based upon the discovery that red blood cells contain phosphodiesterase 3B (PDE3B), and that inhibition of that phosphodiesterase allows for an enhanced accumulation of cAMP and ...

Hormones are released from endocrine glands and are transported in the blood to target cells Insulin: released from pancreas, stimulates liver cells to take up glucose from the blood and Glucagon ...