Year in review: Alzheimer’s protein behaves like a prion

Amyloid-beta might spread in rare cases

stained brain tissue

BUILDUP  Amyloid-beta (brown) accumulated in the front of the brain in a person who received injections of cadaver-derived growth hormone as a child, suggesting that the injections were contaminated with A-beta, researchers reported this year. 

Z. JAUNMUKTANE ET AL/NATURE 2015

Under rare conditions, an Alzheimer’s-related protein may have jumped between people, scientists reported this year (SN: 10/17/15, p.