缬沙坦涂层支架对兔血管新生内膜TGF—β1表达的影响
摘要
【目的】评价缬沙坦涂层支架对血管新生内膜转化生长因子β1(TGF-β1)表达的影响,探讨缬沙坦涂层支架防治支架内再狭窄的可能机制。【方法】采用多层涂布技术制备缬沙坦涂层支架和载体涂层支架。分别将裸支架、载体涂层支架及缬沙坦涂层支架置入兔腹主动脉,依据置入支架分为裸支架组(n=8)、载体涂层支架组(n=8)及缬沙坦涂层支架组(n=10)。3个月后处死实验兔,RT—PCR方法测定TGF-β1mRNA的表达。【结果]TGF-131mRNA在各组都有表达,缬沙坦涂层支架组显著低于于另外两组(P〈0.05);裸支架组与载体涂层支架组之间无显著性差异(P〉0.05)。【结论】缬沙坦涂层支架能够抑制支架植入局部TGF-β1的表达,从而可能减少胶原沉积,发挥防治再狭窄的作用。
出处
《医学临床研究》
CAS
2011年第1期8-10,共3页
Journal of Clinical Research
基金
北京市自然科学基金资助项目(7042021)
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