Cited by 100Cardiac Fibrosis and RemodelingCardiovascular Function and Risk FactorsHeart Failure Treatment and Management

3,3-Dimethyl-1-butanol attenuates cardiac remodeling in pressure-overload-induced heart failure mice

Wang, Guangji, Kong, Bin, Shuai, Wei, Fu, Hui, Jiang, Xiaobo, Huang, He·2020·The Journal of Nutritional Biochemistry

Abstract

Trimethylamine N-oxide (TMAO) is closely related to cardiovascular diseases, particularly heart failure (HF). Recent studies shows that 3,3-dimethyl-1-butanol (DMB) can reduce plasma TMAO levels. However, the role of DMB in overload-induced HF is not well understood. In this research study, we explored the effects and the underlying mechanisms of DMB in overload-induced HF. Aortic banding (AB) surgery was performed in C57BL6/J mice to induce HF, and a subset group of mice underwent a sham operation. After surgery, the mice were fed with a normal diet and given water supplemented with or without 1% DMB for 6 weeks. Cardiac function, plasma TMAO level, cardiac hypertrophy and fibrosis, expression of inflammatory, electrophysiological studies and signaling pathway were analyzed at the sixth week after AB surgery. DMB reduced TMAO levels in overload-induced HF mice. Adverse cardiac structural remodeling, such as cardiac hypertrophy, fibrosis and inflammation, was elevated in overload-induced HF mice. Susceptibility to ventricular arrhythmia also significantly increased in overload-induced HF mice. However, these changes were prevented by DMB treatment. DMB attenuated all of these changes by reducing plasma TMAO levels, hence negatively inhibiting the p65 NF-κB signaling pathway and TGF-β1/Smad3 signaling pathway. DMB plays an important role in attenuating the development of cardiac structural remodeling and electrical remodeling in overload-induced HF mice. This may be attributed to the p65 NF-κB signaling pathway and TGF-β1/Smad3 signaling pathway inhibition.

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Crossref · 10.1016/j.jnutbio.2020.108341

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  • Trimethylamine N-oxide has been shown to promote platelet reactivity and thrombosis potential, vascular inflammation and inflammasome activation, and heightened heart failure and chronic kidney disease related phenotypes in animal models.

    “It has also been shown to promote platelet reactivity and thrombosis potential14, 83–85, vascular inflammation and inflammasome activation86–88, heightened heart failure89–91 and CKD92–95 related phenotypes in animal models (Figure 2).”

    From Gut microbiota and cardiovascular disease. (2020) · cites this paper as [89]

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Authors
Wang, G., Kong, B., Shuai, W., Fu, H., Jiang, X., & Huang, H.
Affiliations
Wuhan University (CN)
Corresponding author
Huang, He
Venue
The Journal of Nutritional Biochemistry
Publisher
Elsevier BV
Published
2020-04
Volume
78
Pages
108341
ISSN
0955-2863 (ISSN-L)
OpenAlex
W3000070485
Cited by
100
References
37
Citations by year
2026: 20 · 2025: 28 · 2024: 13 · 2023: 14 · 2022: 9 · 2021: 13 · 2020: 3
FWCI
6.10
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Nutritional Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Key Research and Development Program of China (2017YFC1700500)
  • National Natural Science Foundation of China (81570306, 81570459)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Function and Risk Factors
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Failure Treatment and Management
Keywords
3,3-dimethyl-1-butanol, trimethylamine N-oxide, heart failure, pressure overload, cardiac remodeling, cardiac hypertrophy, myocardial fibrosis, ventricular arrhythmias, NF-κB signaling, TGF-β1/Smad3 signaling, aortic banding, inflammation, electrophysiological remodeling
MeSH terms
Hexanols, Animals, Disease Models, Animal, Echocardiography, Electrocardiography, Fibroblasts, Heart, Cardiomegaly, Heart Failure, Hemodynamics, Inflammation, Male, Methylamines, Mice, Inbred C57BL, Myocardium, Pressure, Signal Transduction, Ventricular Remodeling, Mice, Transcription Factor RelA, Transforming Growth Factor beta1

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