Amyloid beta

Recent articles

Plaque levels differ in popular Alzheimer’s mouse model depending on which parent’s variants are passed down

5XFAD model mice that inherit two disease-related genes from their fathers have double the plaques seen in those with maternal inheritance, a new study shows.

By Shaena Montanari
4 February 2025 | 0 min watch
Six different neurons.

Early trajectory of Alzheimer’s tracked in single-cell brain atlases

Inflammation in glia and the loss of certain inhibitory cells may kick off a disease cascade decades before diagnosis.

By Angie Voyles Askham
23 October 2024 | 8 min read
Colored transmission electron micrograph (TEM) showing an amyloid plaque in a brain with Alzheimer’s disease.

Skeptics challenge claims of Alzheimer’s disease transmission via growth hormone

Some people who received cadaver-derived human growth hormone may not have Alzheimer’s as previously suggested, according to a new Perspective article.

By Shaena Montanari
23 August 2024 | 6 min read
Research image of green and purple mouse brain slices.

Putting a bright idea to the test

A surprising wave of findings in mice suggests that light and sound flickering at 40 hertz clears the brain of Alzheimer’s-disease-linked plaques. Several companies are hoping to prove it works in people.

By Shaena Montanari
21 August 2024 | 11 min read
Image of amyloid beta plaques.

Reviving ‘inside-out’ hypothesis of amyloid beta to explain Alzheimer’s mysteries

New research is resurfacing old ideas about where the protein forms the disease’s hallmark plaques.

By Elissa Welle
29 May 2024 | 9 min listen
Picture of two Degus in a cage.

How inbreeding almost tanked an up-and-coming model of Alzheimer’s disease

But new genetic analyses and behavioral assays have made the Chilean degu a viable model again, researchers say.

By Calli McMurray
21 May 2024 | 10 min read
Photograph of Carol Jennings.

Carol Jennings, whose family’s genetics informed amyloid cascade hypothesis, dies at 70

Her advocacy work aided the discovery of a rare inherited form of early-onset Alzheimer’s disease and helped connect affected people with researchers.

By Elissa Welle
30 April 2024 | 4 min listen

Explore more from The Transmitter

Grid of black-and-white headshots of neuroscience trainees.

‘A gut punch:’ How U.S. neuroscience trainees are grappling with diversity-based funding flux

Ten trainees spoke with The Transmitter about how the precarious state of U.S. federal funding is affecting their research and career plans.

By Calli McMurray, Angie Voyles Askham, Claudia López Lloreda
14 February 2025 | 2 min read
A brain made up of a matrix of small, predominately blue dots.

‘Bioethics and Brains: A Disciplined and Principled Neuroethics,’ an excerpt

In their new book, published earlier this week, Giordano and Shook examine how ethics can guide neuroscience research and its real-world applications.

By James Giordano, John Shook
14 February 2025 | 6 min read
A young child in a blue shirt sits in a red chair and speaks to an adult at the edge of the frame.

AI tool estimates social ability by analyzing speech

The system’s code and training data—drawn from one of the largest databases of speech recordings from autistic people—are openly available.

By Charles Q. Choi
13 February 2025 | 5 min read