Researchers have found a way to control protein levels inside different tissues of a whole, living animal for the first time. The method lets scientists dial protein levels up or down with great ...

G-protein coupled receptors (GPCRs) are proteins triggered by ligands (protein-binding chemicals) from outside cells to ...

Low-density lipoproteins (LDL) -- commonly known as bad cholesterol -- have long been on scientists' radar as a major contributor to heart disease. But these microscopic troublemakers have hidden ...