The use of a high-fat diet, along with streptozotocin administration, can provide more profound insight into the mechanism of development of complications in diabetes, as well as their treatment. High-fat diet given over 3 weeks before intraperitoneal injection of streptozotocin in a dose of 40 mg/kg promoted the appearance of hyperglycemia in Wistar rats. The biochemical analysis of blood serum revealed increased levels of urea, triglycerides, cholesterol, AST, ALT, and concentration of inorganic phosphates and K ions in the high-fat diet group in comparison with the control. Both the biochemical analysis of the blood and histological analysis showed more pronounced abnormalities in rats receiving high-fat diet in comparison with animals receiving standard ration. These changes are the early markers for the development of nephropathy, impaired liver function, and microvascular disorders typical of patients with diabetes mellitus.
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http://dx.doi.org/10.1007/s10517-022-05394-6 | DOI Listing |
Cell Mol Life Sci
January 2025
Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Unitat de Farmacologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028, Barcelona, Spain.
Nuclear growth differentiation factor 15 (GDF15) reduces the binding of the mothers' against decapentaplegic homolog (SMAD) complex to its DNA-binding elements. However, the stimuli that control this process are unknown. Here, we examined whether saturated fatty acids (FA), particularly palmitate, regulate nuclear GDF15 levels and the activation of the SMAD3 pathway in human skeletal myotubes and mouse skeletal muscle, where most insulin-stimulated glucose use occurs in the whole organism.
View Article and Find Full Text PDFDiabetologia
January 2025
Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
The incidence of type 2 diabetes has risen globally, in parallel with the obesity epidemic and environments promoting a sedentary lifestyle and low-quality diet. There has been scrutiny of ultra-processed foods (UPFs) as a driver of type 2 diabetes, underscored by their increasing availability and intake worldwide, across countries of all incomes. This narrative review addresses the accumulated evidence from investigations of the trends in UPF consumption and the relationship with type 2 diabetes incidence.
View Article and Find Full Text PDFExposure to toxins causes lasting damaging effects on the body. Numerous studies in humans and animals suggest that diet has the potential to modify the epigenome and these modifications can be inherited transgenerationally, but few studies investigate how diet can protect against negative effects of toxins. Potential evidence in the primary literature supports that caloric restriction, high-fat diets, high protein-to-carbohydrate ratios, and dietary supplementation protect against environmental toxins and strengthen these effects on their offspring's epigenome.
View Article and Find Full Text PDFJ Anat
January 2025
Hannover Medical School, Institute of Functional and Applied Anatomy, Hannover, Germany.
Obesity, along with hypoxia, is known to be a risk factor for pulmonary hypertension (PH), which can lead to right ventricular hypertrophy and eventually heart failure. Both obesity and PH influence the autonomic nervous system (ANS), potentially aggravating changes in the right ventricle (RV). This study investigates the combined effects of obesity and hypoxia on the autonomic innervation of the RV in a mouse model.
View Article and Find Full Text PDFBMC Pharmacol Toxicol
January 2025
Evangelical College, N'Djamena, BP 1200, Chad.
The study evaluated the anti-hyperlipidemic effects of myrcenol and curzerene on a high fat diet induced hyperlipidemia rat model. Thirty male albino rats were fed on a high-fat diet for four months. The HFD-induced hyperperlipidemia rats were treated with rosuvastatin (10 mg/kg), curzerene (130 mg/kg) and myrcenol (100 mg/kg) for four weeks.
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