Astaxanthin attenuates cardiovascular dysfunction associated with deoxycorticosterone acetate-salt-induced hypertension in rats

被引:2
|
作者
Khodir, Suzan A. [1 ]
Sweed, Eman [2 ]
Gadallah, Marwa [3 ]
Shabaan, Anwaar [1 ]
机构
[1] Menoufia Univ, Fac Med, Med Physiol, Menoufia, Egypt
[2] Menoufia Univ, Fac Med, Clin Pharmacol, Menoufia, Egypt
[3] Menoufia Univ, Fac Med, Pathol, Menoufia, Egypt
关键词
Hypertension; astaxanthin; DOCA; DNA fragmentation; apoptosis; ACUTE HEART-FAILURE; OXIDATIVE STRESS; BLOOD-PRESSURE; ANTIOXIDANT DEFENSE; INFLAMMATION; MECHANISMS; HYPERTROPHY; METABOLISM; RETENTION; APOPTOSIS;
D O I
10.1080/10641963.2022.2055764
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Background Hypertension is a major global health problem. It is a major risk factor of cardiovascular disease. One of the most used experimental models in studying antihypertensive action is the deoxycorticosterone acetate (DOCA)-salt hypertensive rat. This study aimed to investigate the cardiovascular protective effect of astaxanthin (ASX) in DOCA-salt-induced hypertension and its possible underlying mechanisms. Methods A total of 48 adult male albino rats were divided into three groups: control, DOCA, and DOCA + ASX. Blood pressure, serum cardiac enzyme levels, some oxidative stress and inflammatory biomarker levels, and lipid profile levels were measured. The weight of the left ventricle to tibial length ratio was calculated. Apoptosis detection and total genomic DNA extraction in aortic and cardiac tissues were investigated. The apoptotic marker BAX was also immunohistochemically assessed in the heart and aorta. Results Compared to the control group, the DOCA group was associated with a significant increase in blood pressure, serum cardiac enzyme levels, oxidative stress and inflammatory biomarker levels, lipid profile except serum high-density lipoprotein (HDL), weight of the left ventricle to tibial length, and total released DNA fragmentation level of the left ventricle and aorta and a significant decrease in reduced glutathione (GSH) and HDL. Compared to the DOCA group, the DOCA + ASX group significantly improved the DOCA-induced changes. Conclusion ASX has beneficial protective effects on DOCA-salt-induced hypertension via DNA fragmentation protection, apoptosis inhibition, antioxidant, anti-inflammatory, and its effects on lipid levels.
引用
收藏
页码:382 / 395
页数:14
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