High fat diet induces airway hyperresponsiveness in mice

Kathrin Fricke, Marcela Vieira, Haris Younas, Mi-Kyung Shin, Shannon Bevans-Fonti, Slava Berger, Rachel Lee, Franco D'Alessio, Qiong Zhong, Andrew Nelson, Jeff Loube, Ian Sanchez, Nadia Hansel, Wayne A Mitzner, Vsevolod Polotsky

Research output: Contribution to journalArticle

Abstract

The experiment was conducted to examine the effect of a high fat diet (HFD) on airway hyperresponsiveness (AHR) in mice. Twenty-three adult male C57BL/6 J mice were fed with HFD or regular chow diet for two weeks. The total respiratory resistance was measured by forced oscillation technique at baseline and after methacholine aerosol challenge at 1, 3, 10 and 30 mg/mL. Bronchoalveolar lavage (BAL) was performed. Lipid levels and lipid peroxidation in lung tissue were measured along with gene expression of multiple cytokines. Lungs were digested, and IL-1β secretion by pulmonary macrophages was determined. HFD feeding resulted in 11% higher body weight compared to chow. HFD did not affect respiratory resistance at baseline, but significantly augmented airway responses to methacholine compared to chow diet (40.5 ± 17.7% increase at 30 mg/ml methacholine, p < 0.05). HFD induced a 3.2 ± 0.6 fold increase in IL-1β gene expression (p < 0.001) and a 38 fold increase in IL-1β secretion in the lungs. There was no change in BAL and no change in any other cytokines, lipid levels or lipid peroxidation. Hence, HFD induced AHR in mice prior to the development of significant obesity which was associated with up-regulation of pulmonary IL-1β.

Original languageEnglish (US)
Article number6404
JournalScientific Reports
Volume8
Issue number1
DOIs
StatePublished - Dec 1 2018

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High Fat Diet
Interleukin-1
Methacholine Chloride
Lung
Bronchoalveolar Lavage
Lipid Peroxidation
Cytokines
Diet
Lipids
Gene Expression
Alveolar Macrophages
Aerosols
Up-Regulation
Obesity
Body Weight

ASJC Scopus subject areas

  • General

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High fat diet induces airway hyperresponsiveness in mice. / Fricke, Kathrin; Vieira, Marcela; Younas, Haris; Shin, Mi-Kyung; Bevans-Fonti, Shannon; Berger, Slava; Lee, Rachel; D'Alessio, Franco; Zhong, Qiong; Nelson, Andrew; Loube, Jeff; Sanchez, Ian; Hansel, Nadia; Mitzner, Wayne A; Polotsky, Vsevolod.

In: Scientific Reports, Vol. 8, No. 1, 6404, 01.12.2018.

Research output: Contribution to journalArticle

Fricke, K, Vieira, M, Younas, H, Shin, M-K, Bevans-Fonti, S, Berger, S, Lee, R, D'Alessio, F, Zhong, Q, Nelson, A, Loube, J, Sanchez, I, Hansel, N, Mitzner, WA & Polotsky, V 2018, 'High fat diet induces airway hyperresponsiveness in mice', Scientific Reports, vol. 8, no. 1, 6404. https://doi.org/10.1038/s41598-018-24759-4
Fricke K, Vieira M, Younas H, Shin M-K, Bevans-Fonti S, Berger S et al. High fat diet induces airway hyperresponsiveness in mice. Scientific Reports. 2018 Dec 1;8(1). 6404. https://doi.org/10.1038/s41598-018-24759-4
Fricke, Kathrin ; Vieira, Marcela ; Younas, Haris ; Shin, Mi-Kyung ; Bevans-Fonti, Shannon ; Berger, Slava ; Lee, Rachel ; D'Alessio, Franco ; Zhong, Qiong ; Nelson, Andrew ; Loube, Jeff ; Sanchez, Ian ; Hansel, Nadia ; Mitzner, Wayne A ; Polotsky, Vsevolod. / High fat diet induces airway hyperresponsiveness in mice. In: Scientific Reports. 2018 ; Vol. 8, No. 1.
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