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Metabolic effects of heterocyclic amines on insulin‑induced AKT phosphorylation and gluconeogenic gene expression are modified by N-acetyltransferase 2 genetic polymorphism.
Pharmacogenet Genomics
January 2025
Department of Pharmacology & Toxicology and Brown Cancer Center, University of Louisville School of Medicine, Louisville, Kentucky, USA.
Objective: Heterocyclic amines (HCAs) are mutagens and carcinogens primarily generated when cooking meat at high temperatures or until well-done, and their major metabolic pathway includes hepatic N-hydroxylation via CYP1A2 followed by O-acetylation via N-acetyltransferase 2 (NAT2). NAT2 expresses a well-defined genetic polymorphism in humans resulting in rapid and slow acetylators. Recent epidemiological studies reported significant associations between dietary HCA exposure and insulin resistance and type II diabetes.
View Article and Find Full Text PDFEndurance training and pyruvate dehydrogenase kinase 4 (PDK4) inhibition combination is superior to each one alone in attenuating hyperketonemia/ketoacidosis in diabetic rats.
Iran J Basic Med Sci
January 2025
i+HeALTH Strategic Research Group, Department of Health Sciences, Miguel de Cervantes European University (UEMC), 47012 Valladolid, Spain.
Objectives: While ketone bodies are not the main heart fuel, exercise may increase their uptake. Objectives: This study aimed to investigate the effect of 6-week endurance training and Pyruvate dehydrogenase kinase 4 )PDK4( inhibition on ketone bodies metabolism in the heart of diabetic rats with emphasis on the role of Peroxisome proliferator-activated receptor-gamma coactivator PGC-1alpha (PGC-1α).
Materials And Methods: Sixty male Wistar rats were divided into eight groups: healthy control group (CONT), endurance training group (TRA), diabetic group (DM), DM + EX group, Dichloroacetate (DCA) group, DM + DCA group, TRA + DCA group, and DM + TRA + DCA group.
Effects of different pre-conditioning exercise on leptin synthesis and its downstream signalling pathway in T2DM rats.
Iran J Basic Med Sci
January 2025
School of Physical Education, Department of Sports Health, Central China Normal University, Wuhan, 430079, China.
Objectives: This study aimed to evaluate the effects of pre-conditioning exercise on body lipid metabolism, leptin secretion, and the downstream pathways at the early stage of type 2 diabetes mellitus (T2DM).
Materials And Methods: The T2DM model was established using an 8-week high-sugar, high-fat diet combined. The T2DM model was established using an 8-week high-sugar, high-fat diet combined with streptozocin (STZ) injection.
Type 2 diabetes: a sacrifice program handling energy surplus.
Life Metab
December 2024
Department of Endocrinology and Metabolism, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai 200233, China.
Type 2 diabetes mellitus (T2DM) is closely associated with obesity, while interactions between the two diseases remain to be fully elucidated. To this point, we offer this perspective to introduce a set of new insights into the interpretation of T2DM spanning the etiology, pathogenesis, and treatment approaches. These include a definition of T2DM as an energy surplus-induced diabetes characterized by the gradual decline of β cell insulin secretion function, which ultimately aims to prevent the onset of severe obesity through mechanisms of weight loss.
View Article and Find Full Text PDFSulforaphane acutely activates multiple starvation response pathways.
Front Nutr
January 2025
Aging and Metabolism Research Program, Oklahoma City, OK, United States.
Sulforaphane (SFN) is an isothiocyanate derived from cruciferous vegetables that has demonstrated anti-cancer, anti-microbial and anti-oxidant properties. SFN ameliorates various disease models in rodents (e.g.
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