Amyloid beta

Recent articles

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 | 8 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 | 3 min listen

Explore more from The Transmitter

Cell population in brainstem coordinates cough, new study shows

The work also adds to a growing body of evidence showing that mice, and their genetic toolbox, can be used to study cough.

By Calli McMurray
6 September 2024 | 5 min read
Capitol building
Spectrum Microphone

In updated U.S. autism bill, Congress calls for funding boost, expanded scope

The current Autism CARES Act sunsets in late September.

By Rachel Zamzow
5 September 2024 | 5 min listen
Illustration of ketamine blocking open ion channels in active NMDA receptors, quieting the cells and disrupting downstream signaling involved in depression.

Ketamine targets lateral habenula, setting off cascade of antidepressant effects

The drug’s affinity for overactive cells in the “anti-reward” region may help explain its rapid and long-lasting results.

By Olivia Gieger
4 September 2024 | 6 min read