Aortic valve calcification: a bone of contention
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چکیده
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COX2 inhibition reduces aortic valve calcification in vivo.
OBJECTIVE Calcific aortic valve disease (CAVD) is a significant cause of morbidity and mortality, which affects ≈1% of the US population and is characterized by calcific nodule formation and stenosis of the valve. Klotho-deficient mice were used to study the molecular mechanisms of CAVD as they develop robust aortic valve (AoV) calcification. Through microarray analysis of AoV tissues from klot...
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OBJECTIVE To study in a rabbit model the expression of endothelial nitric oxide synthase (eNOS) in association with the development of calcification of the aortic valve, and to assess the effects of atorvastatin on eNOS expression, nitrite concentration, and aortic valve calcification. METHODS Rabbits (n = 48) were treated for three months: 16, forming a control group, were fed a normal diet;...
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OBJECTIVE Calcific aortic valve disease (CAVD) is the most prevalent type of heart valve disease, affecting ≈2% of the US population. CAVD is characterized by the presence of calcific nodules, resulting in aortic valve (AoV) stenosis; however, the underlying mechanisms driving disease remain unknown. Studies of human diseased AoV provide initial evidence that bone morphogenetic protein (BMP) si...
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BACKGROUND Calcific aortic stenosis is the third most common cardiovascular disease in the United States. We hypothesized that the mechanism for aortic valve calcification is similar to skeletal bone formation and that this process is mediated by an osteoblast-like phenotype. METHODS AND RESULTS To test this hypothesis, we examined calcified human aortic valves replaced at surgery (n=22) and ...
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