Zhang, Ya, Yuan, Changsheng, Fang, He, Li, Jia, Su, Shanshan, Chen, Wen. (1395). Total flavonoid extract from Coreopsis tinctoria Nutt. protects rats against myocardial ischemia/reperfusion injury. , 19(9), 1016-1023. doi: 10.22038/ijbms.2016.7603
Ya Zhang; Changsheng Yuan; He Fang; Jia Li; Shanshan Su; Wen Chen. "Total flavonoid extract from Coreopsis tinctoria Nutt. protects rats against myocardial ischemia/reperfusion injury". , 19, 9, 1395, 1016-1023. doi: 10.22038/ijbms.2016.7603
Zhang, Ya, Yuan, Changsheng, Fang, He, Li, Jia, Su, Shanshan, Chen, Wen. (1395). 'Total flavonoid extract from Coreopsis tinctoria Nutt. protects rats against myocardial ischemia/reperfusion injury', , 19(9), pp. 1016-1023. doi: 10.22038/ijbms.2016.7603
Zhang, Ya, Yuan, Changsheng, Fang, He, Li, Jia, Su, Shanshan, Chen, Wen. Total flavonoid extract from Coreopsis tinctoria Nutt. protects rats against myocardial ischemia/reperfusion injury. , 1395; 19(9): 1016-1023. doi: 10.22038/ijbms.2016.7603

Total flavonoid extract from Coreopsis tinctoria Nutt. protects rats against myocardial ischemia/reperfusion injury

Iranian Journal of Basic Medical Sciences
مقاله 14، دوره 19، شماره 9، 2016، صفحه 1016-1023    اصل مقاله (1.07 M)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22038/ijbms.2016.7603
نویسندگان
Ya Zhang1؛ Changsheng Yuan1؛ He Fang1؛ Jia Li1؛ Shanshan Su1؛ Wen Chen* 2
1Ministry of Education, Pharmacy Shihezi University Xinjiang China
2Pharmacy Shihezi University Xinjiang China
چکیده
Objective(s): This study aimed to evaluate the protective effects of total flavonoid extract from Coreopsis tinctoria Nutt.(CTF)against myocardial ischemia/reperfusion injury (MIRI) using an isolated Langendorff rat heart model.
Materials and Methods: Left ventricular developed pressure (LVDP) and the maximum rate of rise and fall of LV pressure (±dp/dtmax) were recorded. Cardiac injury was assessed by analyzing lactate dehydrogenase (LDH) and creatine kinase (CK) released in the coronary effluent. Superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and malondialdehyde (MDA) levels were determined. Myocardial inflammation was assessed by monitoring tumor necrosis factor-alpha (TNF-α), C-reactive protein (CRP), interleukin-8 (IL-8), and interleukin-6 (IL-6) levels. Myocardial infarct size was estimated. Cell morphology was assessed by 2,3,5-triphenyltetrazolium chloride and hematoxylin and eosin (HE) staining. Cardiomyocyte apoptosis was determined by terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) staining.
Results: Pretreatment with CTF significantly increased the heart rate and increased LVDP, as well as SOD and GSH-Px levels. In addition, CTF pretreatment decreased the TUNEL-positive cell ratio, infarct size, and levels of CK, LDH, MDA, TNF-α, CRP, IL-6, and IL-8.
Conclusion: These results suggest that CTF exerts cardio-protective effects against MIRI via anti-oxidant, anti-inflammatory, and anti-apoptotic activities.
کلیدواژه‌ها
Anti-apoptosis؛ Anti-oxidant؛ Anti-inflammatory؛ Cardio-protective؛ Coreopsis tinctoria Nutt
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