Sci Transl Med May 2016 PMID 27225182

Amyloid-β peptide protects against microbial infection in mouse and worm models of Alzheimer's disease.

Deepak Kumar Vijaya Kumar, Se Hoon Choi, Kevin J Washicosky, William A Eimer, Stephanie Tucker, Jessica Ghofrani, Aaron Lefkowitz, Gawain McColl, Lee E Goldstein, Rudolph E Tanzi, Robert D Moir

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Mentions

44
Peak: 10 in May 2016
across 4 sources since May 2016

Extended reach

172,521
potential audience

Total likes

2,135

Video views

106,283

Mentions per month

May 2016 – Sep 2025

Where it's discussed

  • News20 articles
  • X / Twitter12 posts
  • Blogs10 articles
  • YouTube2 videos

AI synopsis

What people are saying

Discussions reflect curiosity and intrigue regarding amyloid-β's antimicrobial role, with posts emphasizing the surprising nature of the findings using words like 'insane' and 'most surprising,' while others compare amyloid to a protective 'trash bag,' illustrating a shift in perception that may influence future research directions.

AgreementModerate agreement

Most discussions acknowledge the potential protective role of amyloid-β, showing general support for the idea that it may serve antimicrobial functions.

InterestHigh interest

Posts express high interest, especially with comments highlighting the novel and provocative nature of the research, using words like 'insane' and 'game-changing.'

EngagementModerate engagement

There is some depth of engagement with references to related research and hypotheses about amyloid's physiological roles, but few detailed methodological discussions are present.

ImpactModerate impact

The conversations suggest potential implications for understanding Alzheimer's and infectious processes, though debates about therapeutic removal imply some skepticism about practical impact.

Abstract in brief

  • Amyloid peptide A, traditionally linked to Alzheimer's disease, may also serve a protective role by acting as an antimicrobial agent against bacteria and fungi, with evidence from mouse, worm, and cell culture models.
  • The study suggests that the ability of amyloid A to oligomerize (form small clusters) is crucial for its antimicrobial activity, as it binds to microbial cell walls and helps trap pathogens.
  • Infections like Salmonella in mouse brains can accelerate amyloid deposition, implying that infectious or inflammatory stimuli might trigger amyloid production, which could be both protective and damaging—a dual role similar to other antimicrobial peptides.]

Top posts

Most liked on X and Bluesky
Bryce Hanna
@photobiogenesis · X

Australian researcher Robert Moir and his team put forth the idea that amyloid-beta is actually the brain's natural antibiotic in this 2016 paper https://t.co/sueViZGQWX To put it bluntly, this is one of the most insane things I've ever read And I mean that in a good way

Aug 25, 2024 · 77 likes · 8 shares · 34,098 followers View post →
Tim Peterson
@timrpeterson · X

@matthewherper @adamfeuerstein Amyloid is the trash bag. When you get rid of the trash bag, the trash still needs to be taken out. https://t.co/S6lVXh0Uc3

Jun 16, 2022 · 3 likes · 4,096 followers View post →
Krzysztof Potempa
@BRAINCURES · X

The possibility of an indirect role for microorganisms gained attention in 2016, when @RudyTanzi and his colleagues (@presenilin1 @KevinWashicosky ...) published a study showing that amyloid-β protects human cells, worms and mice from infection by bacteria https://t.co/RiZe5i0nzK

Nov 19, 2022 · 1 like · 2,663 followers View post →
thmonk
@thmonk_pf · X

とりあえずAβの生理作用の報告を纏めてみました 低濃度Aβはシナプス可塑性と記憶を促進 https://t.co/iafkTj8MKt homeostatic synaptic plasticitに必須 https://t.co/Yzn1BRVVfv 抗菌peptide https://t.co/zlDwC573R7 synapse小胞recycle調整 https://t.co/NAOKUM3wbP #amyloid_beta #papers

Sep 3, 2025 · 1 like · 1 share · 1,648 followers View post →
Richard
@PGC1a_RB · X

RT @photobiogenesis: Australian researcher Robert Moir and his team put forth the idea that amyloid-beta is actually the brain's natural an…

Aug 25, 2024 · 8 shares · 14,858 followers View post →
Tim Peterson
@timrpeterson · X

@InnoTalker Recent data suggest amyloid is like the trash bags rather than the trash. Removing the bag itself wouldn't be helpful. This paper makes the case that amyloid is an antibiotic against pathogens. One wouldn't want less antibiotic. https://t.co/S6lVXh0Uc3

Jul 22, 2022 · 4,096 followers View post →

All mentions

thmonk
@thmonk_pf · X

RT @thmonk_pf: とりあえずAβの生理作用の報告を纏めてみました 低濃度Aβはシナプス可塑性と記憶を促進 https://t.co/iafkTj8MKt homeostatic synaptic plasticitに必須 https://t.co/Yzn1BRV…

Sep 13, 2025 · 1 share · 1,648 followers View post →
thmonk
@thmonk_pf · X

とりあえずAβの生理作用の報告を纏めてみました 低濃度Aβはシナプス可塑性と記憶を促進 https://t.co/iafkTj8MKt homeostatic synaptic plasticitに必須 https://t.co/Yzn1BRVVfv 抗菌peptide https://t.co/zlDwC573R7 synapse小胞recycle調整 https://t.co/NAOKUM3wbP #amyloid_beta #papers

Sep 3, 2025 · 1 like · 1 share · 1,648 followers View post →
Fluffy Cushion
@ZFTnope · X

RT @photobiogenesis: Australian researcher Robert Moir and his team put forth the idea that amyloid-beta is actually the brain's natural an…

Aug 26, 2024 · 8 shares · 121 followers View post →
cal_shanahan
@cshan159 · X

RT @photobiogenesis: Australian researcher Robert Moir and his team put forth the idea that amyloid-beta is actually the brain's natural an…

Aug 25, 2024 · 8 shares · 103 followers View post →
Richard
@PGC1a_RB · X

RT @photobiogenesis: Australian researcher Robert Moir and his team put forth the idea that amyloid-beta is actually the brain's natural an…

Aug 25, 2024 · 8 shares · 14,858 followers View post →
Mickey
@MickeyShaughnes · X

RT @photobiogenesis: Australian researcher Robert Moir and his team put forth the idea that amyloid-beta is actually the brain's natural an…

Aug 25, 2024 · 8 shares · 1,599 followers View post →
Bryce Hanna
@photobiogenesis · X

Australian researcher Robert Moir and his team put forth the idea that amyloid-beta is actually the brain's natural antibiotic in this 2016 paper https://t.co/sueViZGQWX To put it bluntly, this is one of the most insane things I've ever read And I mean that in a good way

Aug 25, 2024 · 77 likes · 8 shares · 34,098 followers View post →
FMCH Journal
@FMCHJournal · X

Amyloid-β Peptide Protects Against Microbial Infection In Mouse and Worm Models of Alzheimer’s Disease Read More On https://t.co/AsGGMvQbyA https://t.co/n2fulWBvhJ

Jul 26, 2023 · 786 followers View post →
Krzysztof Potempa
@BRAINCURES · X

The possibility of an indirect role for microorganisms gained attention in 2016, when @RudyTanzi and his colleagues (@presenilin1 @KevinWashicosky ...) published a study showing that amyloid-β protects human cells, worms and mice from infection by bacteria https://t.co/RiZe5i0nzK

Nov 19, 2022 · 1 like · 2,663 followers View post →
Chris O'Leary | The Innovation Podcast
@InnoTalker · X

"Kumar et al. show that Aβ is a natural antibiotic that protects the brain from infection. Most surprisingly, Aβ aggregates trap and imprison bacterial pathogens." https://t.co/6Jo50yu78E Is this true? IDK. But how can you REMOVE AB if it MIGHT be true? Where's the THEORY...

Jul 22, 2022 · 139 followers View post →
Tim Peterson
@timrpeterson · X

@InnoTalker Recent data suggest amyloid is like the trash bags rather than the trash. Removing the bag itself wouldn't be helpful. This paper makes the case that amyloid is an antibiotic against pathogens. One wouldn't want less antibiotic. https://t.co/S6lVXh0Uc3

Jul 22, 2022 · 4,096 followers View post →
Tim Peterson
@timrpeterson · X

@matthewherper @adamfeuerstein Amyloid is the trash bag. When you get rid of the trash bag, the trash still needs to be taken out. https://t.co/S6lVXh0Uc3

Jun 16, 2022 · 3 likes · 4,096 followers View post →
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