Scientists discover a rare genetic quirk that may extend the age of onset in people with Huntington’s disease by boosting cellular cleanup.

The structure of the MutSβ molecular machine gives us more clues to the mechanism of CAG repeat expansion and how we can target it. 

A trial tested stem cells from human teeth as a possible treatment for HD. The approach appeared safe with some improvements in symptoms, but the small size of the study and the unclear underlying science of this approach means caution is urged.