Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Influence of Fasting until Noon (Extended Postabsorptive State), on Clock Gene mRNA Expression and Regulation of Body Weight and Glucose Metabolism

Version 1 : Received: 3 March 2023 / Approved: 6 March 2023 / Online: 6 March 2023 (02:02:56 CET)

A peer-reviewed article of this Preprint also exists.

Jakubowicz, D.; Rosenblum, R.C.; Wainstein, J.; Twito, O. Influence of Fasting until Noon (Extended Postabsorptive State) on Clock Gene mRNA Expression and Regulation of Body Weight and Glucose Metabolism. Int. J. Mol. Sci. 2023, 24, 7154. Jakubowicz, D.; Rosenblum, R.C.; Wainstein, J.; Twito, O. Influence of Fasting until Noon (Extended Postabsorptive State) on Clock Gene mRNA Expression and Regulation of Body Weight and Glucose Metabolism. Int. J. Mol. Sci. 2023, 24, 7154.

Abstract

Abstract: The trend of fasting until noon (omission or delayed breakfast) is increasingly prevalent in modern society. This eating pattern triggers discordance between endogenous circadian clock rhythms and the feeding/fasting cycle and is associated with an increased incidence of obesity and T2D. Although the underlying mechanism of this association is not well understood, growing evidence suggests that fasting until noon, also known as an “extended postabsorptive state,” has the potential to cause a deleterious effect on clock gene expression and disrupted regulation of body weight, postprandial and overall glycemia, skeletal muscle protein synthesis, appetite and may also lead to lower energy expenditure. This manuscript overviews the clock gene-controlled glucose metabolism during the active and resting phases. The consequences of postponing until noon the transition from postabsorptive to fed state on glucose metabolism, weight control, and energy expenditure. Finally, we will discuss the metabolic advantage of shifting more energy, carbohydrates (CH), and proteins to the early hours of the day.

Keywords

Keywords: fasting until noon; Circadian clock genes; fasting until noon; weight loss; overall glycemia; diet induced thermogenesis.

Subject

Medicine and Pharmacology, Dietetics and Nutrition

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