Cited by 131Neuroinflammation and Neurodegeneration MechanismsTryptophan and brain disordersNeuroscience and Neuropharmacology Research

Acetate reduces microglia inflammatory signaling in vitro

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Soliman, Mahmoud L., Puig, Kendra L., Combs, Colin K., Rosenberger, Thad A.·2012·Journal of Neurochemistry

Abstract

Acetate supplementation increases brain acetyl‐CoA and histone acetylation and reduces lipopolysaccharide ( LPS )‐induced neuroglial activation and interleukin ( IL )‐1β expression in vivo . To determine how acetate imparts these properties, we tested the hypothesis that acetate metabolism reduces inflammatory signaling in microglia. To test this, we measured the effect acetate treatment had on cytokine expression, mitogen‐activated protein kinase ( MAPK ) signaling, histone H3 at lysine 9 acetylation, and alterations of nuclear factor‐kappa B ( NF‐κB ) in primary and BV‐2 cultured microglia. We found that treatment induced H3K9 hyperacetylation and reversed LPS‐induced H3K9 hypoacetylation similar to that found in vivo . LPS also increased IL‐1β, IL‐6, and tumor necrosis factor‐alpha ( TNF ‐α) mRNA and protein, whereas treatment returned the protein to control levels and only partially attenuated IL‐6 mRNA . In contrast, treatment increased mRNA levels of transforming growth factor‐β1 ( TGF ‐β1) and both IL‐4 mRNA and protein. LPS increased p38 MAPK and JNK phosphorylation at 4 and 2–4 h, respectively, whereas treatment reduced p38 MAPK and JNK phosphorylation only at 2 h. In addition, treatment reversed the LPS‐induced elevation of NF‐κB p65 protein and phosphorylation at serine 468 and induced acetylation at lysine 310. These data suggest that acetate metabolism reduces inflammatory signaling and alters histone and non‐histone protein acetylation.

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Crossref · 10.1111/j.1471-4159.2012.07955.x

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  • Acetate treatment of microglia primary culture reduces inflammatory signaling through reduced IL-1β, IL-6, and TNF-α expression and p38 MAPK, JNK, and NF-κB phosphorylation.

    “acetate treatment of microglia primary culture has been shown to reduce inflammatory signaling through reduced IL-1β, IL-6, and TNF-α expression and p38 MAPK, JNK, and NF-κB phosphorylation (111).”

    From The Role of Short-Chain Fatty Acids From Gut Microbiota in Gut-Brain Communication (2020) · cites this paper as [111]

    The Results section (page unavailable) reports that acetate returned LPS-induced IL-1β, IL-6, and TNF-α protein increases to control levels in primary microglia. The phosphorylation findings were measured in BV-2 microglia, not primary cultures: p38 and JNK phosphorylation fell only at 2 hours, and NF-κB p65 phosphorylation fell at serine 468. The sentence conflates those cell types and omits the time- and site-specific limits. (LLM, conf=0.90)

    Experimental — accuracy not yet measured
  • Acetate can be converted to acetyl-CoA, which leads to increased histone acetylation.

    “acetate can be converted to acetyl-CoA, which leads to increased histone acetylation”

    From The Microbiota-Gut-Brain Axis (2019) · cites this paper as Soliman et al., 2012

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Authors
Soliman, M. L., Puig, K. L., Combs, C. K., & Rosenberger, T. A.
Affiliations
University of North Dakota (US)
Corresponding author
Rosenberger, Thad A.
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2012-09-28
Volume
123
Issue
4
Pages
555-567
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W2090091665
Cited by
131
References
75
Citations by year
2026: 12 · 2025: 12 · 2024: 21 · 2023: 12 · 2022: 15 · 2021: 14 · 2020: 12 · 2019: 3 · 2018: 5 · 2017: 3 · 2016: 1 · 2015: 2 · 2014: 7 · 2013: 7 · 2012: 3
FWCI
3.06
Type
journal article
Language
en
Open access
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Center for Research Resources
  • component of the National Institutes of Health
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
acetate, microglia, neuroinflammation, histone H3K9 acetylation, NF-κB, MAPK signaling, p38 MAPK, JNK, lipopolysaccharide, IL-1β, acetyl-CoA, histone acetylation, non-histone protein acetylation, acetate metabolism, cytokine expression, TGF-β1
MeSH terms
Acetates, Acetylation, Analysis of Variance, Animals, Brain, Cells, Cultured, Dose-Response Relationship, Drug, Histones, L-Lactate Dehydrogenase, Lipopolysaccharides, Lysine, Mice, Inbred C57BL, Phosphorylation, RNA, Messenger, Time Factors, Signal Transduction, Cytokines, Microglia, Mitogen-Activated Protein Kinases, Mice

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