Articles with the topic: somatic expansion

Hats off to brain donors on Brain Donation Awareness Day

Hats off to brain donors on Brain Donation Awareness Day

May 7 is Brain Donation Awareness Day. Today we highlight the selfless donation that many HD families have made, sending our gratitude, sharing research updates made with those precious brains, and detailing resources for brain donation.

Dr Sarah HernandezMay 07, 2024

How many is too many? Exploring the toxic CAG threshold in the Huntington’s disease brain

How many is too many? Exploring the toxic CAG threshold in the Huntington’s disease brain

New work from researchers in London uses mice to narrow in on the number of CAG repeats needed to cause symptoms of Huntington’s disease. Their work points to fewer than 185 CAGs as a threshold.

Dr Chris KayApril 21, 2024

The director’s cut: how CAG repeats change the editing of genetic messages

The director’s cut: how CAG repeats change the editing of genetic messages

Scientists in Massachusetts have recently advanced our understanding of how repetitive sequences in DNA can disrupt the creation and editing of genetic messenger molecules in cells, and how this could lead to the production of harmful proteins.

Lucy CouplandMarch 26, 2024