Cited by 145Peroxisome Proliferator-Activated ReceptorsMetabolism, Diabetes, and CancerAdipokines, Inflammation, and Metabolic Diseases

BAIBA attenuates insulin resistance and inflammation induced by palmitate or a high fat diet via an AMPK–PPARδ-dependent pathway in mice

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Jung, Tae Woo, Hwang, Hwan-Jin, Hong, Ho Cheol, Yoo, Hye Jin, Baik, Sei Hyun, Choi, Kyung Mook·2015·Diabetologia

Abstract

Aims/hypothesis We explored the effects of β-aminoisobutyric acid (BAIBA) on hyperlipidaemic-condition-induced insulin resistance and inflammation as mediated through a signalling pathway involving AMP-activated protein kinase (AMPK) and peroxisome proliferator-activated receptor δ (PPARδ). Methods Mouse skeletal muscle C2C12 cells and C57BL/6J mice were treated with palmitate or a high-fat diet (HFD) and BAIBA. Inflammation and the expression of genes associated with insulin signalling were determined by western blot and quantitative real-time PCR. Selected genes from candidate pathways were evaluated by small interfering (si)RNA knockdown and specific inhibitors. Results BAIBA treatment ameliorated impairment of insulin receptor substrate (IRS)-1/Akt-mediated insulin signalling in palmitate-treated C2C12 myocytes and in skeletal muscle of HFD-fed mice. In addition, BAIBA treatment reversed HFD-induced increases in body weight and improved impaired glucose tolerance in mice. In vitro and in vivo, inhibitory κBα (IκBα) phosphorylation, nuclear factor κB (NFκB) nuclear translocation and downstream inflammatory cytokines were significantly suppressed by BAIBA. Furthermore, BAIBA treatment significantly induced AMPK phosphorylation and expression of PPARδ in C2C12 myocytes and in skeletal muscle of mice. Both compound C, an AMPK inhibitor, and Pparδ (also known as Ppard) siRNA abrogated the inhibitory effects of BAIBA on palmitate-induced inflammation and insulin resistance. BAIBA significantly induced the expression of genes associated with fatty acid oxidation, such as carnitine palmitoyltransferase 1 (Cpt1), acyl-CoA oxidase (Aco; also known as Acox1) and fatty acid binding protein 3 (Fabp3); this effect of BAIBA was significantly reduced by compound C and Pparδ siRNA. Conclusions/interpretation These results are the first to demonstrate that BAIBA attenuates insulin resistance, suppresses inflammation and induces fatty acid oxidation via the AMPK-PPARδ pathway in skeletal muscle.

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Crossref · 10.1007/s00125-015-3663-z

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  • BAIBA promotes increased visceral adipose tissue lipolysis, increased free fatty acid oxidation, and glucose uptake in skeletal muscle.

    “BAIBA promotes increased VAT lipolysis, increased FFA oxidation, and glucose uptake in SkM [110,111,112].”

    From The Role of Exercise in the Interplay between Myokines, Hepatokines, Osteokines, Adipokines, and Modulation of Inflammation for Energy Substrate Redistribution and Fat Mass Loss: A Review (2020) · cites this paper as [111]

    The Results section reports that BAIBA increased fatty-acid-oxidation-associated gene expression in mouse skeletal muscle. It also reports improved insulin signalling and glucose tolerance, but not a direct measurement of skeletal-muscle glucose uptake. The passages do not report increased visceral adipose tissue lipolysis. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • β-aminoisobutyric acid (BAIBA) attenuates insulin resistance, improves glucose tolerance, and promotes browning of white adipose tissue and hepatic β-oxidation.

    “For example, β‐aminoisobutyric acid (BAIBA), a novel exercise‐induced muscle factor, attenuates insulin resistance, improves glucose tolerance, and promotes the browning of white adipose tissue (WAT) and hepatic β‐oxidation (Roberts et al, 2014; Jung et al, 2015).”
  • In C2C12 mouse myocytes and a wild-type mouse model, BAIBA treatment attenuated insulin resistance, reduced inflammation and increased fatty acid oxidation through AMPK and AMPK-PPARδ-dependent pathways in skeletal muscle.

    “In another study using C2C12 mouse myocytes and a wild-type mouse model (palmitate or high-fat diet exposure), BAIBA treatment attenuated insulin resistance, reduced inflammation and increased fatty acid oxidation through AMP-activated protein kinase (AMPK) and a AMPK-PPARδ-dependent pathway in skeletal muscle113.”

    From Exerkines in health, resilience and disease (2022) · cites this paper as [113]

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Authors
Jung, T. W., Hwang, H.-J., Hong, H. C., Yoo, H. J., Baik, S. H., & Choi, K. M.
Affiliations
Korea University Guro Hospital (KR)
Corresponding author
Choi, Kyung Mook
Venue
Diabetologia
Published
2015-06-24
Volume
58
Issue
9
Pages
2096-2105
ISSN
  • 0012-186X (ISSN-L)
  • 1432-0428
OpenAlex
W2163244012
Cited by
145
References
35
Citations by year
2026: 14 · 2025: 12 · 2024: 21 · 2023: 22 · 2022: 13 · 2021: 14 · 2020: 11 · 2019: 14 · 2018: 8 · 2017: 9 · 2016: 7
FWCI
3.47
Type
journal article
Language
en
Open access
Locations
  • Diabetologia (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
beta-aminoisobutyric acid, insulin resistance, inflammation, AMPK, PPARδ, palmitate, high-fat diet, skeletal muscle, fatty acid oxidation, NF-κB, compound C, carnitine palmitoyltransferase 1, acyl-CoA oxidase, fatty acid binding protein 3, glucose tolerance, hyperlipidemia
MeSH terms
Aminoisobutyric Acids, Animals, Carnitine O-Palmitoyltransferase, Diabetes Mellitus, Fatty Acids, Gene Expression Regulation, Glucose Tolerance Test, Inflammation, Insulin, Insulin Resistance, Male, Mice, Inbred C57BL, Oxygen, Palmitates, Signal Transduction, NF-kappa B, Receptors, Cytoplasmic and Nuclear, Muscle Fibers, Skeletal, Active Transport, Cell Nucleus, RNA, Small Interfering, Mice, AMP-Activated Protein Kinases, Diet, High-Fat

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