Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Benefits of Chronic Administration of a Carbohydrate-Free Diet on Biochemical and Morphometric Parameters in a Rat Model of Diet-Induced Metabolic Syndrome

Version 1 : Received: 14 June 2023 / Approved: 15 June 2023 / Online: 15 June 2023 (11:32:49 CEST)

How to cite: Lares-Gutiérrez, D.A.; Galván-Valencia, M.; Flores-Baza, I.J.; Lazalde-Ramos, B.P. Benefits of Chronic Administration of a Carbohydrate-Free Diet on Biochemical and Morphometric Parameters in a Rat Model of Diet-Induced Metabolic Syndrome. Preprints 2023, 2023061132. https://doi.org/10.20944/preprints202306.1132.v1 Lares-Gutiérrez, D.A.; Galván-Valencia, M.; Flores-Baza, I.J.; Lazalde-Ramos, B.P. Benefits of Chronic Administration of a Carbohydrate-Free Diet on Biochemical and Morphometric Parameters in a Rat Model of Diet-Induced Metabolic Syndrome. Preprints 2023, 2023061132. https://doi.org/10.20944/preprints202306.1132.v1

Abstract

Diets that restrict the amount of carbohydrates positively affect markers related to metabolic syndrome (MS). However, completely carbohydrate-free diets have been studied in lesser extent, being their effect on biochemical and morphometric parameters in a rat model of MS the main objective of this study. MS was induced by a high-glucose diet for 20 weeks in male Wistar rats with a subsequent exposition to an essentially carbohydrate-free diet (CFD) for 20 weeks. Daily measurements of food consumption and monthly measurements of body weight were made. At week 40, glucose, insulin, lipid profile, ketone bodies, C-reactive protein (CRP), aspartate aminotransferase (AST), alanine aminotransferase (ALT), urea, creatinine, liver and muscle glycogen, and serum, hepatic, renal and pancreatic malondialdehyde (MDA) were assessed. Exposition to CFD showed decrease in caloric intake and body weight. Likewise, the group showed normalization in liver and serum MDA parameters, insulin, lipid profile, ALT, liver glycogen, and creatinine. The CFD decreased glucose concentration and the inflammatory state, also, increased the concentration of ketone bodies and urea. The change towards CFD reverses the metabolic alterations generated with MS except for glycemia and uremia, probably due to the high rate of gluconeogenesis generated by the high protein content in the diet.

Keywords

carbohydrate-free diet; metabolic syndrome; biochemical parameters; morphometric parameters; rat model.

Subject

Public Health and Healthcare, Other

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