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Effects of cyanidin 3-0-glucoside on cardiac structure and function in an animal model of myocardial infarction

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Abstract

Cyanidin 3-0-glucoside (CG) is a polyphenol with potential health benefits. In this study, we investigated, for the first time, the cardioprotective effects of CG in an animal model of myocardial infarction (MI), a major cause of death worldwide. Sham and MI rats were administered CG (10 mg kg−1 day−1) daily for one week prior to surgery, and 8 weeks post-surgery. Echocardiography was performed to assess cardiac structure and function at 4 and 8 weeks. At 4 weeks, MI rats had significantly lower body mass when compared to control rats, and CG administration significantly prevented this decrease. Four-week MI rats also showed significantly increased left ventricle dilation, end systolic and end diastolic volumes in comparison to controls, and CG significantly prevented these adverse changes. Ejection fraction was significantly lower in 4-week MI rats in comparison to controls, and CG had no effect on this parameter. At 8 weeks, body mass was significantly lower in MI rats when compared to control rats, and CG significantly prevented this decrease. At 8 weeks, MI rats showed a significant increase in left ventricle dilation and isovolumic relaxation time, while ejection fraction was significantly lower when compared to controls; these parameters were not altered by CG treatment. Eight-week MI rats had significantly higher level of oxidative stress in heart tissue in comparison to controls, and CG administration did not prevent this increase. In conclusion, administration of CG was able to significantly preserve body mass in both 4 and 8 weeks MI rats, as well as significantly prevent cardiac dilation in 4 weeks MI rats. However, CG was unable to sustain this cardioprotection, as cardiac structure and function were not significantly improved in 8 weeks MI rats.

Graphical abstract: Effects of cyanidin 3-0-glucoside on cardiac structure and function in an animal model of myocardial infarction

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Publication details

The article was received on 14 May 2017, accepted on 01 Oct 2017 and first published on 09 Oct 2017


Article type: Paper
DOI: 10.1039/C7FO00709D
Citation: Food Funct., 2017, Advance Article
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    Effects of cyanidin 3-0-glucoside on cardiac structure and function in an animal model of myocardial infarction

    P. Raj, J. L. McCallum, C. Kirby, G. Grewal, L. Yu, J. T. Wigle and T. Netticadan, Food Funct., 2017, Advance Article , DOI: 10.1039/C7FO00709D

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