Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Endurance Training Regulates Expression of Some Angiogenesis-Related Genes in Cardiac Tissue of Experimentally Induced Diabetic Rats

Version 1 : Received: 20 March 2021 / Approved: 22 March 2021 / Online: 22 March 2021 (10:49:50 CET)

A peer-reviewed article of this Preprint also exists.

Khajehlandi, M.; Bolboli, L.; Siahkuhian, M.; Rami, M.; Tabandeh, M.; Khoramipour, K.; Suzuki, K. Endurance Training Regulates Expression of Some Angiogenesis-Related Genes in Cardiac Tissue of Experimentally Induced Diabetic Rats. Biomolecules 2021, 11, 498. Khajehlandi, M.; Bolboli, L.; Siahkuhian, M.; Rami, M.; Tabandeh, M.; Khoramipour, K.; Suzuki, K. Endurance Training Regulates Expression of Some Angiogenesis-Related Genes in Cardiac Tissue of Experimentally Induced Diabetic Rats. Biomolecules 2021, 11, 498.

Journal reference: Biomolecules 2021, 11, 498
DOI: 10.3390/biom11040498

Abstract

Exercise can ameliorate cardiovascular dysfunctions in diabetes condition, but its precise molecular mechanisms have not been entirely understood. The aim of the present study was to determine the impact of endurance training on expression of angiogenesis-related genes in cardiac tissue of diabetic rats. Thirty adults male Wistar rats were randomly divided into three groups (N=10) including diabetic training (DT), sedentary diabetes (SD), and sedentary healthy (SH) in which diabetes was induced by a single dose of streptozotocin (30 mg/kg). Endurance training (ET) with moderate-intensity was performed on a motorized treadmill for six weeks. Training duration and treadmill speed were increased during five weeks, but they were kept constant at the final week and slope was zero at all stages. Real-time polymerase chain reaction (RT- PCR) analysis was used to measure the expression of myocyte enhancer factor-2C (MEF2C), histone deacetylase-4 (HDAC4) and Calmodulin-dependent protein kinase II (CaMKII) in cardiac tissues of the rats. Our results demonstrated that six weeks of ET increased gene expression of MEF2C significantly (P<0.05), and caused a significant reduction in HDAC4 and CaMKII gene expression in the DT rats compared to the SD rats (P<0.05). We concluded that moderate-intensity ET could play a critical role in ameliorating cardiovascular dysfunction in a diabetes condition by regulating the expression of some angiogenesis-related genes in cardiac tissues.

Keywords

Endurance training; angiogenesis; cardiac tissue

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