Tag Archives: Altering

Altering skin pigmentation can prevent UV cancer

A skin pigmentation mechanism that can darken the color of human skin as a natural defense against ultraviolet (UV)-associated cancers has been discovered by scientists at Harvard-affiliated Massachusetts General Hospital (MGH). Mediating the biological process is an enzyme called nicotinamide nucleotide transhydrogenase (NNT), which plays a key role in the production of melanin (a pigment… Read More »