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- Title
Differential Effects of High Sugar, High Lard or a Combination of Both on Nutritional, Hormonal and Cardiovascular Metabolic Profiles of Rodents.
- Authors
Matias, Amanda Martins; Estevam, Wagner Müller; Coelho, Priscila Murucci; Haese, Douglas; Kobi, Jéssika Butcovsky Botto Sarter; Lima-Leopoldo, Ana Paula; Leopoldo, André Soares
- Abstract
Background: Dietary interventions in rodents can induce an excess of adipose tissue and metabolic disorders that resemble human obesity. Nevertheless, these approaches are not standardized, and the phenotypes may vary distinctly among studies. The aim of this study was to investigate the effects of different dietary interventions on nutritional, metabolic, biochemical, hormonal, and cardiovascular profiles, as well as to add to development and characterization of an experimental model of obesity. Methods: Male Wistar rats were randomized into four groups: control diet (C), high-sugar (HS), high-fat (HF), or high-sugar and high-fat (HFHS). Weekly measurements of body weight, adiposity, area under the curve (AUC) for glucose, blood pressure (BP) and serum triglycerides, total cholesterol level, and leptin were performed. Results: HF and HFHS models were led to obesity by increases in adipose tissue deposition and the adiposity index. All hypercaloric diets presented systolic BP increases. In addition, the AUC for glucose was greater in HF and HFHS than in C, and only the HF group presented hyperleptinemia. Conclusions: HF and HFHS diet approaches promote obesity and comorbidities, and thus represent a useful tool for studying human obesity-related disorders. By contrast, the HS model did not prove to be a good model of obesity.
- Subjects
ADIPOSE tissues; ANIMAL experimentation; BIOCHEMISTRY; BLOOD pressure; BLOOD sugar; BODY weight; CARDIOVASCULAR system; CHOLESTEROL; ENERGY metabolism; FAT content of food; HORMONES; INGESTION; PHENOMENOLOGY; NUTRITION; OBESITY; RODENTS; TRIGLYCERIDES; COMORBIDITY; LEPTIN; DIETARY sucrose
- Publication
Nutrients, 2018, Vol 10, Issue 8, p1071
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu10081071