Cigarette Smoking-Induced Cardiac Hypertrophy, Vascular Inflammation and Injury Are Attenuated by Antioxidant Supplementation in an Animal Model

被引:38
|
作者
Al Heriri, Moustafa [1 ]
Zibara, Kazem [2 ,3 ]
Farhat, Wissam [2 ]
Hashem, Yasmine [4 ]
Soudani, Nadia [4 ,5 ]
Al Ibrahim, Farah [3 ]
Hamade, Eva [2 ,3 ]
Zeidan, Asad [4 ]
Husari, Ahmad [6 ]
Kobeissy, Firas [1 ]
机构
[1] Amer Univ Beirut, Fac Med, Dept Biochem & Mol Genet, Beirut, Lebanon
[2] Lebanese Univ, DSST, PRASE, ER045, Beirut, Lebanon
[3] Lebanese Univ, EDST, Fac Sci 1, Lab Cardiovasc Dis & Stem Cells,Biochem Dept, Beirut, Lebanon
[4] Amer Univ Beirut, Fac Med, Dept Physiol, Beirut, Lebanon
[5] EDST Lebanese Univ, Fac Sci, Dept Biol, Hadath, Lebanon
[6] Amer Univ Beirut, Div Pulm & Crit Care Med, Dept Internal Med, Beirut, Lebanon
来源
FRONTIERS IN PHARMACOLOGY | 2016年 / 7卷
关键词
cigarette smoking; pomegranate juice; inflammation; hypertrophy; calcification; reactive oxygen species; cardiovascular diseases; ENDOTHELIAL DYSFUNCTION; OXIDATIVE STRESS; RISK-FACTORS; CARDIOVASCULAR-DISEASE; POMEGRANATE JUICE; EXPRESSION; SEED; ATHEROSCLEROSIS; CALCIFICATION; PREVENTION;
D O I
10.3389/fphar.2016.00397
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Background: Cardiovascular diseases are the leading causes of morbidity and mortality worldwide. Cigarette smoking remains a global health epidemic with associated detrimental effects on the cardiovascular system. In this work, we investigated the effects of cigarette smoke exposure on cardiovascular system in an animal model. The study then evaluated the effects of antioxidants (AO), represented by pomegranate juice, on cigarette smoke induced cardiovascular injury. This study aims at evaluating the effect of pomegranate juice supplementation on the cardiovascular system of an experimental rat model of smoke exposure. Methods: Adult rats were divided into four different groups: Control, Cigarette smoking (CS), AO, and CS + AO. Cigarette smoke exposure was for 4 weeks (5 days of exposure/week) and AO group received pomegranate juice while other groups received placebo. Assessment of cardiovascular injury was documented by assessing different parameters of cardiovascular injury mediators including: (1) cardiac hypertrophy, (2) oxidative stress, (3) expression of inflammatory markers, (4) expression of Bradykinin receptor 1 (Bdkrbl), Bradykinin receptor 2 (Bdkrb2), and (5) altered expression of fibrotic/atherogenic markers [(Fibronectin (Fn1) and leptin receptor (ObR))]. Results: Data from this work demonstrated that cigarette smoke exposure induced cardiac hypertrophy, which was reduced upon administration of pomegranate in CS + AO group. Cigarette smoke exposure was associated with elevation in oxidative stress, significant increase in the expression of IL-1 beta, TNF alpha, Fn1, and ObR in rat's aorta. In addition, an increase in aortic calcification was observed after 1 month of cigarette smoke exposure. Furthermore, cigarette smoke induced a significant up regulation in Bdkrbl expression level. Finally, pomegranate supplementation exhibited cardiovascular protection assessed by the above findings and partly contributed to ameliorating cardiac hypertrophy in cigarette smoke exposed animals. Conclusion: Findings from this work showed that cigarette smoking exposure is associated with significant cardiovascular pathology such as cardiac hypertrophy, inflammation, pro-fibrotic, and atherogenic markers and aortic calcification in an animal model as assessed 1 month post exposure. Antioxidant supplementation prevented cardiac hypertrophy and attenuated indicators of atherosclerosis markers associated with cigarette smoke exposure.
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页数:11
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