Cited by 214Tryptophan and brain disordersTreatment of Major DepressionStress Responses and Cortisol

Beta-hydroxybutyrate, an endogenic NLRP3 inflammasome inhibitor, attenuates stress-induced behavioral and inflammatory responses

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Yamanashi, Takehiko, Iwata, Masaaki, Kamiya, Naho, Tsunetomi, Kyohei, Kajitani, Naofumi, Wada, Nodoka, Iitsuka, Takahiro, Yamauchi, Takahira +6 more·2017·Scientific Reports

Abstract

Neuro-inflammation has been shown to play a critical role in the development of depression. Beta-hydroxybutyrate (BHB) is a ketone body and has recently been reported to exert anti-inflammatory effects via inhibition of NLRP3 inflammasome. Here, we investigated the potential antidepressant and anti-inflammatory effects of BHB on rats exposed to acute and chronic stress. We examined the influence of repeated BHB administration on depressive and anxiety behaviors in a rodent model of chronic unpredictable stress (CUS). Additionally, the influence of acute immobilization (IMM) stress and single BHB administration on hippocampal interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) were assessed. Repeated administration of BHB attenuated CUS-induced depressive- and anxiety-related behaviors. IMM stress increased levels of IL-1β in the hippocampus, while a single pre-administration of BHB attenuated this increase. Although no effect was observed on hippocampal TNF-α levels after 1 h of IMM stress, a single BHB pre-administration reduced hippocampal TNF-α. Our previous report showed that the release of IL-1β and TNF-α caused by stress is tightly regulated by NLRP3 inflammasome. These findings demonstrate that BHB exerts antidepressant-like effects, possibly by inhibiting NLRP3-induced neuro-inflammation in the hippocampus, and that BHB may be a novel therapeutic candidate for the treatment of stress-related mood disorders.

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Authors
Yamanashi, T., Iwata, M., Kamiya, N., Tsunetomi, K., Kajitani, N., Wada, N., Iitsuka, T., Yamauchi, T., Miura, A., Pu, S., Shirayama, Y., Watanabe, K., Duman, R. S., & Kaneko, K.
Affiliations
  • Tottori University (JP)
  • Nara Medical University (JP)
  • Teikyo University Chiba Medical Center (JP)
  • Yale University (US)
Corresponding author
Iwata, Masaaki
Venue
Scientific Reports
Published
2017-08-09
Volume
7
Issue
1
Pages
7677-7677
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2744221345
Cited by
214
References
46
Citations by year
2026: 22 · 2025: 25 · 2024: 31 · 2023: 23 · 2022: 27 · 2021: 29 · 2020: 26 · 2019: 19 · 2018: 10 · 2017: 1
FWCI
5.10
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, cc-by-sa)
  • Tottori University research result repository (Tottori University) (submittedVersion, cc-by)
Funders
  • Yale University
  • Japan Society for the Promotion of Science (17K10273, 25861006)
Topics
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
beta-hydroxybutyrate, NLRP3 inflammasome, neuroinflammation, depression, anxiety, chronic unpredictable mild stress, restraint stress, hippocampus, IL-1β, TNF-α, ketone bodies, antidepressant effects
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, Animals, Anxiety, Behavior, Animal, Depression, Hippocampus, Inflammation, Male, Stress, Physiological, Stress, Psychological, Biomarkers, Cytokines, 3-Hydroxybutyric Acid, Rats

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