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

dendritic spine images

Targeting NMDA receptor subunit reverses fragile X traits in mice

The subunit acts as a “volume control” on signaling that shapes the density of dendritic spines, the new work suggests.

By Angie Voyles Askham
6 March 2025 | 5 min read
A pregnant woman seen in profile, sitting on the edge of a bed.

Maternal infection’s link to autism may be a mirage

Family-linked factors explain most associations between maternal illness and autism, a study of 1.1 million Danish children finds.

By Charles Q. Choi
6 March 2025 | 3 min read
Headshots of Michelle Monje and Frank Winkler.

2025 Brain Prize honors pair of cancer neuroscientists

Michelle Monje and Frank Winkler share the $1.4 million award for their discovery of synapses between brain cancer cells and neurons.

By Sydney Wyatt
5 March 2025 | 3 min read