Ukr.Biochem.J. 2020; Volume 92, Issue 5, Sep-Oct, pp. 111-119

doi: https://doi.org/10.15407/ubj92.05.111

Changes in gene expression of lactate carriers (MCT1 and CD147) in cardiac muscle of diabetic male rats: the effect of dichloroacetate and endurance training

H. Rezaeinasab1*, A. Habibi1, M. Nikbakht1, M. Rashno2,3, S. Shakerian1

1Department of Exercise Physiology, Faculty of Sport Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran;
2Department of Immunology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran;
3Department of Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
e-mail: hamed.rezaei2020@gmail.com

Received: 23 March 2020; Accepted: 25 June 2020

lactate accumulation can activate the pathways of mitochondrial biogenesis in the heart muscle. The purpose of this study was to investigate the effects of Pyruvate Dehydrogenase Kinase 4 (PDK4) inhibition and endurance training on the gene expression of lactate carriers (MCT1 and CD147) in the cardiac muscle of STZ-diabetic rats. In this experimental study, 64 male Wistar rats were selected and randomly divided into eight groups after induction of diabetes with streptozotocin (STZ). The endurance training protocol was performed on a treadmill for 6 weeks. Intraperitoneal injection of DCA of 50 mg/ kg body weight was used for the inhibition of PDK4 in the myocardium. Gene expression were measured using real-time PCR. The two-way ANOVA test was used to analyze the data. The results of the study showed that after endurance training, the expression of MCT1, PDK4, and CD147 genes increased significantly in line with each other (P < 0.05), and by inhibition of PDK4 in the heart muscle, the expression of MCT1 and CD147 genes in the endurance training group + diabetes + DCA and in the diabetes group + DCA decreased significantly (P < 0.05). According to the results of this study, it can be concluded that the repeated accumulation of lactate caused by exercise training in diabetic patients decrease through mitochondrial adaptation by DCA injection and subsequently oxidative stress can be reduced in cardiac tissue of diabetic patients and heart efficacy can be increased.

Keywords: , , , ,


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