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Iranian Journal of Basic Medical Sciences، جلد ۲۸، شماره ۱، صفحات ۸۰-۸۶
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عنوان انگلیسی Endurance training and pyruvate dehydrogenase kinase 4 (PDK4) inhibition combination is superior to each one alone in attenuating hyperketonemia/ketoacidosis in diabetic rats
چکیده انگلیسی مقاله Objective(s): While ketone bodies are not the main heart fuel, exercise may increase their uptake. 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. Diabetes was induced using streptozotocin (STZ). The animals in training groups ran on the treadmill for six weeks (30–50 min running at 20–30 m/min). After the training period, molecular markers for mitochondrial biogenesis and ketone metabolism were assessed in the heart. Circulating ß-hydroxybutyrate (ßOHB) and Acetylacetonate (AcAc) levels were also measured. Results: Our results showed that 6-week endurance training increased the cardiac expression of PGC-1α, 3-oxoacid CoA-transferase 1 (OXCT1), and Acetyl-CoA Acetyltransferase 1 (ACAT1) and reduced beta-hydroxybutyrate dehydrogenase1 (BDH1) expression (P≤0.05). In addition, exercise and DCA usage significantly decreased PDK4 gene expression, ßOHB, and AcAc blood levels (P≤0.05). Furthermore, the combination of 6-week endurance training and DCA supplementation led to more reduction in PDFK4 gene expression, ßOHB, and AcAc blood levels. Conclusion: Six-week endurance training and DCA supplementation could safely improve ketone body metabolism in the heart, ultimately reducing hyperketonemia/ketoacidosis in diabetic rats. 
کلیدواژه‌های انگلیسی مقاله Dietary supplements, Endurance training, Gene expression, Ketone bodies, ketosis, Pyruvate dehydrogenase - kinase 4
نویسندگان مقاله | Hamed Rezaeinasab
Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Shahid Chamran University, Ahvaz, Iran|Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran


| Abdolhamid Habibi
Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Shahid Chamran University, Ahvaz, Iran


| Ramin Rezaei
Head of Research and Development Department, Islamic Republic of Iran Basketball Federation


| Aref Basereh
Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran


| Salva Yurista
Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA


| Kayvan Khoramipour
i+HeALTH Strategic Research Group, Department of Health Sciences, Miguel de Cervantes European University (UEMC), 47012 Valladolid, Spain
نشانی اینترنتی https://ijbms.mums.ac.ir/article_25002.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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