Abstract Title:

Beneficial effects of intermittent fasting on steatosis and inflammation of the liver in mice fed a high-fat or a high-fructose diet.

Abstract Source:

Nutrition. 2019 Mar 28 ;65:103-112. Epub 2019 Mar 28. PMID: 31079017

Abstract Author(s):

Thatiany de Souza Marinho, Fernanda Ornellas, Sandra Barbosa-da-Silva, Carlos A Mandarim-de-Lacerda, Marcia Barbosa Aguila

Article Affiliation:

Thatiany de Souza Marinho


OBJECTIVE: Intermittent fasting (IF) is a nutritional intervention with significant metabolic effects on the liver that are not yet fully understood. The aim of this study was to investigate the effects of IF on body mass, lipid profile, glucose metabolism, liver lipogenesis,β-oxidation, and inflammation.

METHODS: We used cellular and molecular techniques to investigate the effects of IF on 3-mo-old male C57 BL/6 mice that were fed control (10% kcal fat), high-fat (HF; 50% kcal fat), or high-fructose (HFr; 50% kcal fructose) diets for 8 wk. Half of the animals were submitted to IF (1 d fed, 1 d fast) for an additional 4 wk.

RESULTS: Although food intake on the fed day did not differ between the groups, mice in the HF and HFr groups showed diminished body mass, total cholesterol, and triacylglycerol levels. Also, plasma adiponectin increased in the HFr group and leptin decreased in the HF mice. Oral glucose tolerance test and insulin were ameliorated by IF, regardless of the diet consumed (HF or HFr), and decreased hepatic lipogenesis and increasedβ-oxidation markers, resulting in a reduction of the hepatic steatosis and inflammation.

CONCLUSIONS: There were beneficial effects of IF even with the continuity of the obesogenic diet and proinflammatory diet in mice. It is recommended that based on the beneficial effects of IF on glucose and liver metabolism and inflammation that IF be a coadjutant factor in the treatment of hepatic metabolic issues and steatosis.

Study Type : Animal Study

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