amyloid beta

noun

variants or amyloid-beta
ˈa-mə-ˌlȯid-ˈbā-tə How to pronounce amyloid beta (audio)
 chiefly British  -ˌbē-tə
or amyloid beta protein or amyloid-beta protein or amyloid beta peptide or amyloid-beta peptide
: beta-amyloid
In Alzheimer's, the possible infectious agent under scrutiny is a protein called amyloid-beta best known as the main ingredient in the hulking, sticky gobs of plaque found in the brains of people with the disease.Laura Sanders
In Alzheimer's patients, the amyloid beta protein somehow goes off track and clumps together in sticky plaques that destroy healthy brain tissue.Nancy McVicar

Examples of amyloid beta in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These drugs target the amyloid beta plaques caused by the amyloid protein. Nicole Villalpando, Austin American-Statesman, 25 Mar. 2024 The 2006 paper suggested an amyloid beta (Aβ) protein called Aβ*56 could cause Alzheimer’s. Bycharles Piller, science.org, 4 June 2024 Although the precise causes of Alzheimer’s are still not fully understood, the disease is defined by specific brain changes, such as amyloid beta plaques. Sandra Rose Salathe, Flow Space, 12 July 2024 Johnson and his team analyzed the participants’ CSF, the fluid surrounding the brain, for proteins connected to the most common Alzheimer’s pathology: amyloid beta and tau protein aggregations in the brain. Rohan Rajeev, STAT, 28 June 2024 See all Example Sentences for amyloid beta 

Word History

First Known Use

1987, in the meaning defined above

Time Traveler
The first known use of amyloid beta was in 1987

Dictionary Entries Near amyloid beta

Cite this Entry

“Amyloid beta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amyloid%20beta. Accessed 26 Nov. 2024.

Medical Definition

amyloid beta

noun
variants or amyloid-beta or amyloid beta protein or amyloid-beta protein or amyloid beta peptide or amyloid-beta protein
: beta-amyloid
Small amounts of amyloid beta are generated as an ordinary metabolic byproduct and are believed to do no harm, but larger amounts seem to be tied to Alzheimer's.January W. Payne, U.S. News & World Report
In Alzheimer's patients, the amyloid beta protein somehow goes off track and clumps together in sticky plaques that destroy healthy brain tissue.Nancy McVicar, The Sun-Sentinel (Fort Lauderdale, Florida)
The treatment targets the buildup of lumps of protein fragments called amyloid beta peptides, which is the dominant theory of the cause of Alzheimer's.Victoria Colliver, The San Francisco Chronicle
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