Retinol/Vitamin A Signaling and Self-renewal of Embryonic Stem Cells
Retinol, the alcohol form of vitamin A, is a key dietary component. Mammalian species cannot synthesize retinol/vitamin A and it is absorbed from animal food or from plant sources as β-carotene. Retinol is stored in the liver as retinoyl esters, primarily as retinyl palmitate (Blaner and Olsen 1994)...