期刊
PHYSIOLOGICAL RESEARCH
卷 68, 期 5, 页码 727-737出版社
ACAD SCIENCES CZECH REPUBLIC, INST PHYSIOLOGY
DOI: 10.33549/physiolres.934110
关键词
Cardiac hypertrophy; Fibrosis; Histone deacetylase inhibitors; Oxidative stress; Vascular endothelium; Ventricular remodeling
类别
资金
- Kyungpook National University Research Fund [201714940000]
Histone deacetylase (HDAC) inhibitors have shown beneficial effects in animal models of cardiovascular diseases. We hypothesized that HDAC inhibitor, sodium valproate (VPA), has cardiac and vascular protective effects in rats with pressure overload cardiac hypertrophy induced by transverse aortic constriction (TAC). Sections of the heart were visualized after hematoxylin and eosin staining, picrosirius red staining and immunohistochemistry. The expression of genes related to cardiac hypertrophy, fibrosis, and oxidative stress was determined by quantitative real-time polymerase chain reaction. The aortic ring tension analysis was conducted using both the ascending aorta and descending thoracic aorta. TAC increased the expression of hypertrophic, fibrotic, and oxidative stress genes, which was attenuated by VPA. In the ascending aorta with intact endothelium, there was a significant decrease in the relaxation response, which was recovered by VPA treatment. These results indicate that VPA has cardiac and vascular protective effects in rats with pressure overload cardiac hypertrophy.
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