High-intensity interval training increase GATA4, CITED4 and c-Kit and decreases C/EBPβ in rats after myocardial infarction

Life Sciences
Nasim NaderiMahmood Barati

Abstract

Myocardial infarction (MI), an important cause of morbidity and mortality, can be followed by left ventricular dysfunction and cardiomyocyte loss. Cardiac repair mechanisms may subsequently improve left ventricular function. Exercise training has been suggested to have cardioprotective effects against MI damage, but detailed knowledge is lacking on the effects of different types and intensities of exercise training on molecular targets of cardiomyocyte regeneration. MI was induced in male Wistar rats by ligating the left anterior descending coronary artery. After MI induction, the rats were randomly assigned to one of five groups: sham operated, and experimental MI followed by no exercise, or low, moderate or high intensity exercise Cardiac function and infarct size were assessed by echocardiography and Evans blue/TTC staining, respectively. The expression of mRNA markers and proteins associated with myocardial regeneration was measured with RT-PCR and western blotting. Exercise training at different intensities improved cardiac function and levels of stem cell and cardiomyocyte markers, and reduced infarct size. mRNA levels of GATA4, Nkx2.5 and c-Kit and protein expression of Nkx2.5 and c-Kit were significantly increased in al...Continue Reading

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Citations

Aug 9, 2020·Oxidative Medicine and Cellular Longevity·Diego Fernando BatistaLeonardo Antônio Mamede Zornorff
Oct 18, 2019·Journal of Physiology and Biochemistry·Rita Nogueira-FerreiraDaniel Moreira-Gonçalves
Apr 11, 2021·Npj Regenerative Medicine·Hongyun WangJunjie Xiao
May 20, 2021·Neurochemical Research·Mitra Barzroodi PourFariba Karimzadeh
Jul 16, 2021·International Journal of Sports Medicine·Patrick WahlSebastian Proschinger

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