Cited by 292Alzheimer's disease research and treatmentsGut microbiota and healthNeuroinflammation and Neurodegeneration Mechanisms

Antibiotic-induced perturbations in microbial diversity during post-natal development alters amyloid pathology in an aged APPSWE/PS1ΔE9 murine model of Alzheimer’s disease

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Minter, Myles R., Hinterleitner, Reinhard, Meisel, Marlies, Zhang, Can, Leone, Vanessa, Zhang, Xiaoqiong, Oyler-Castrillo, Paul, Zhang, Xulun +6 more·2017·Scientific Reports

Abstract

Abstract Recent evidence suggests the commensal microbiome regulates host immunity and influences brain function; findings that have ramifications for neurodegenerative diseases. In the context of Alzheimer’s disease (AD), we previously reported that perturbations in microbial diversity induced by life-long combinatorial antibiotic (ABX) selection pressure in the APP SWE /PS1 ΔE9 mouse model of amyloidosis is commensurate with reductions in amyloid-β (Aβ) plaque pathology and plaque-localised gliosis. Considering microbiota-host interactions, specifically during early post-natal development, are critical for immune- and neuro-development we now examine the impact of microbial community perturbations induced by acute ABX exposure exclusively during this period in APP SWE /PS1 ΔE9 mice. We show that early post-natal (P) ABX treatment (P14-P21) results in long-term alterations of gut microbial genera (predominantly Lachnospiraceae and S24-7 ) and reduction in brain Aβ deposition in aged APP SWE /PS1 ΔE9 mice. These mice exhibit elevated levels of blood- and brain-resident Foxp3 + T-regulatory cells and display an alteration in the inflammatory milieu of the serum and cerebrospinal fluid. Finally, we confirm that plaque-localised microglia and astrocytes are reduced in ABX-exposed mice. These findings suggest that ABX-induced microbial diversity perturbations during post-natal stages of development coincide with altered host immunity mechanisms and amyloidosis in a murine model of AD.

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  • Antibiotic-induced perturbations in gut microbial diversity influence neuroinflammation with altered microglial morphology.

    “antibiotic-induced perturbations in gut microbial diversity influence neuroinflammation with altered microglial morphology (105–107).”
  • Perturbations in microbial diversity due to antimicrobials influence pro-inflammatory cytokine secretion in the CNS and alter microglial morphology.

    “Perturbations in microbial diversity, secondary to antimicrobials, have been shown to influence pro-inflammatory cytokine secretion in the CNS and alter microglial morphology (268–270).”

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Authors
Minter, M. R., Hinterleitner, R., Meisel, M., Zhang, C., Leone, V., Zhang, X., Oyler-Castrillo, P., Zhang, X., Musch, M. W., Shen, X., Jabri, B., Chang, E. B., Tanzi, R. E., & Sisodia, S. S.
Affiliations
  • University of Chicago (US)
  • Massachusetts General Hospital (US)
Corresponding author
Sisodia, Sangram S.
Venue
Scientific Reports
Published
2017-09-05
Volume
7
Issue
1
Pages
10411-10411
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2753802402
Cited by
292
References
86
Citations by year
2026: 12 · 2025: 31 · 2024: 45 · 2023: 40 · 2022: 44 · 2021: 41 · 2020: 32 · 2019: 27 · 2018: 20
FWCI
15.99
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Cure Alzheimer's Fund
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK042086)
  • Argonne National Laboratory
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, gut microbiota, antibiotic exposure, postnatal development, amyloid plaques, APPswe/PS1ΔE9 mice, Lachnospiraceae, S24-7, regulatory T cells, Foxp3, neuroinflammation, cerebrospinal fluid, microglia, astrocytes, gliosis, microbiota-host interactions, brain development
MeSH terms
Gastrointestinal Microbiome, Alzheimer Disease, Amyloidosis, Animals, Anti-Bacterial Agents, Brain, Disease Models, Animal, Male, Mice, Transgenic, RNA, Ribosomal, 16S, Neuroimmunomodulation, Biomarkers, Amyloid beta-Protein Precursor, Inflammation Mediators, Biodiversity, Mice, Metagenome, Metagenomics, Plaque, Amyloid, Microbiota

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