Aη, or A-eta, made an initial splash when scientists reported that these fragments of amyloid precursor protein—products of a heretofore unknown cleavage—dampen neural activity. But how? The story ...

G protein-coupled receptors (GPCRs) are expressed on the surface of cells and regulate a range of important functions. Because they are involved in so many sensory and physiological processes, ...

Source: Microsoft Copilot / Microsoft In December 1993, former World Boxing Champion John Famechon, who had suffered a severe brain injury in August 1991, began participating in a new and novel ...