Cited by 74Cholesterol and Lipid MetabolismFatty Acid Research and HealthPeroxisome Proliferator-Activated Receptors

Short-chain fatty acids (except hexanoic acid) lower NF-kB transactivation, which rescues inflammation-induced decreased apolipoprotein A-I transcription in HepG2 cells

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Tayyeb, Jehad Z., Popeijus, Herman E., Mensink, Ronald P., Konings, Maurice C. J. M., Mokhtar, Fatma B. A., Plat, Jogchum·2020·International Journal of Molecular Sciences

Abstract

Concentrations of apolipoprotein A-I (ApoA-I) decrease during inflammation, which may lead to dysfunctional ApoA-I-poor high-density lipoprotein (HDL) particles, and as such, elevate cardiovascular risk. Therefore, rescuing ApoA-I concentrations, especially during inflammation, seems beneficial. Recently, short-chain fatty acids (SCFAs) have received more attention as a strategy in reversing atherosclerosis. We here evaluated the effects of SCFAs on inflammatory pathways in relation to ApoA-I transcription. SCFAs dose-response studies were performed in the presence and absence of inflammatory cytokines. ApoA-I and interleukin 8 (IL-8) mRNA expression were analyzed using qPCR and ELISA, respectively. To study underlying mechanisms, nuclear factor kappa B (NF-κB) transactivation and changes in mRNA expressions of the genes targets of bromodomain and extra-terminal (BET) inhibition, peroxisome proliferator-activated receptor-alpha (PPARα) transactivation and activator protein 1 (AP-1) pathway were analyzed. SCFAs (except hexanoic acid) increased ApoA-I mRNA transcription in both normal and inflammatory conditions and lowered IL-8 mRNA expression. This anti-inflammatory effect of SCFAs was confirmed by inhibition of NF-κB transactivation. Moreover, butyric acid increased carnitine palmitoyltransferase 1 (CPT1), PPARα target gene, mRNA transcription in both conditions, and there was a negative correlation between CPT1 and NF-κB. Therefore, PPARα transactivation is probably involved in the anti-inflammatory effects of SCFAs, which rescues ApoA-I transcription. In conclusion, propionate, butyrate and valerate elicit anti-inflammatory effects which might rescue ApoA-I transcription in inflammatory conditions via PPARα transactivation mediated NF-κB inhibition.

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  • SCFAs are associated with a variety of diseases such as rectal cancer, pancreatitis, abnormal energy metabolism, constipation, blood lipid metabolism, sleep disorders and Alzheimer's disease.

    “Studies have found that SCFAs are associated with a variety of diseases such as rectal cancer, 174 pancreatitis, 175 abnormal energy metabolism, 176 constipation, 177 blood lipid metabolism, 178 sleep disorders 179 and Alzheimer's disease.180”

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Authors
Tayyeb, J. Z., Popeijus, H. E., Mensink, R. P., Konings, M. C. J. M., Mokhtar, F. B. A., & Plat, J.
Affiliations
Maastricht University (NL)
Corresponding author
Tayyeb, Jehad Z.
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2020-07-18
Volume
21
Issue
14
Pages
5088
ISSN
1422-0067 (ISSN-L)
OpenAlex
W3043464429
Cited by
74
References
29
Citations by year
2026: 10 · 2025: 13 · 2024: 14 · 2023: 16 · 2022: 11 · 2021: 9 · 2020: 1
FWCI
8.44
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Research Publications (Maastricht University) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Research Publications (Maastricht University) (submittedVersion, other-oa)
Topics
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
Keywords
short-chain fatty acids, apolipoprotein A-I, NF-κB transactivation, inflammation, PPARα, butyrate, propionate, valerate, interleukin-8, carnitine palmitoyltransferase 1, high-density lipoprotein, atherosclerosis, anti-inflammatory activity, hepatocytes
MeSH terms
Kelch-Like ECH-Associated Protein 1, Butyrates, Caproates, Carnitine O-Palmitoyltransferase, Fatty Acids, Volatile, Humans, Inflammation, Propionates, Valerates, Transcriptional Activation, Interleukin-8, Apolipoprotein A-I, Proto-Oncogene Proteins c-jun, Proto-Oncogene Proteins c-fos, I-kappa B Proteins, PPAR alpha, Hep G2 Cells

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