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Volume 21
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10.3390/ijms21239156
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Article

Two-Week Isocaloric Time-Restricted Feeding Decreases Liver Inflammation without Significant Weight Loss in Obese Mice with Non-Alcoholic Fatty Liver Disease

by
Rachel B. Wilson
1,
Richard Zhang
1,
Yun Jin Chen
1,
Kia M. Peters
1,
Cynthia G. Sawyez
1,
Brian G. Sutherland
1,
Krisha Patel
1,
John P. Kennelly
2,
Kelly-Ann Leonard
2,
René L. Jacobs
2,
Rennian Wang
1,3 and
Nica M. Borradaile
1,*
1
Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
2
Group on the Molecular and Cell Biology of Lipids, Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2R3, Canada
3
Department of Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2020, 21(23), 9156; https://doi.org/10.3390/ijms21239156
Received: 2 November 2020 / Revised: 27 November 2020 / Accepted: 28 November 2020 / Published: 1 December 2020
(This article belongs to the Special Issue Nonalcoholic Fatty Liver Disease/Metabolic Associated Fatty Liver Disease: New Insights)
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Abstract

Prolonged, isocaloric, time-restricted feeding (TRF) protocols can promote weight loss, improve metabolic dysregulation, and mitigate non-alcoholic fatty liver disease (NAFLD). In addition, 3-day, severe caloric restriction can improve liver metabolism and glucose homeostasis prior to significant weight loss. Thus, we hypothesized that short-term, isocaloric TRF would improve NAFLD and characteristics of metabolic syndrome in diet-induced obese male mice. After 26 weeks of ad libitum access to western diet, mice either continued feeding ad libitum or were provided with access to the same quantity of western diet for 8 h daily, over the course of two weeks. Remarkably, this short-term TRF protocol modestly decreased liver tissue inflammation in the absence of changes in body weight or epidydimal fat mass. There were no changes in hepatic lipid accumulation or other characteristics of NAFLD. We observed no changes in liver lipid metabolism-related gene expression, despite increased plasma free fatty acids and decreased plasma triglycerides in the TRF group. However, liver Grp78 and Txnip expression were decreased with TRF suggesting hepatic endoplasmic reticulum (ER) stress and activation of inflammatory pathways may have been diminished. We conclude that two-week, isocaloric TRF can potentially decrease liver inflammation, without significant weight loss or reductions in hepatic steatosis, in obese mice with NAFLD. View Full-Text
Keywords: NAFLD; liver; inflammation; obesity; mouse NAFLD; liver; inflammation; obesity; mouse
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MDPI and ACS Style

Wilson, R.B.; Zhang, R.; Chen, Y.J.; Peters, K.M.; Sawyez, C.G.; Sutherland, B.G.; Patel, K.; Kennelly, J.P.; Leonard, K.-A.; Jacobs, R.L.; Wang, R.; Borradaile, N.M. Two-Week Isocaloric Time-Restricted Feeding Decreases Liver Inflammation without Significant Weight Loss in Obese Mice with Non-Alcoholic Fatty Liver Disease. Int. J. Mol. Sci. 2020, 21, 9156. https://doi.org/10.3390/ijms21239156

AMA Style

Wilson RB, Zhang R, Chen YJ, Peters KM, Sawyez CG, Sutherland BG, Patel K, Kennelly JP, Leonard K-A, Jacobs RL, Wang R, Borradaile NM. Two-Week Isocaloric Time-Restricted Feeding Decreases Liver Inflammation without Significant Weight Loss in Obese Mice with Non-Alcoholic Fatty Liver Disease. International Journal of Molecular Sciences. 2020; 21(23):9156. https://doi.org/10.3390/ijms21239156

Chicago/Turabian Style

Wilson, Rachel B., Richard Zhang, Yun J. Chen, Kia M. Peters, Cynthia G. Sawyez, Brian G. Sutherland, Krisha Patel, John P. Kennelly, Kelly-Ann Leonard, René L. Jacobs, Rennian Wang, and Nica M. Borradaile. 2020. "Two-Week Isocaloric Time-Restricted Feeding Decreases Liver Inflammation without Significant Weight Loss in Obese Mice with Non-Alcoholic Fatty Liver Disease" International Journal of Molecular Sciences 21, no. 23: 9156. https://doi.org/10.3390/ijms21239156

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