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Relationship between Toll-like receptor 4 protein and atherosclerosis
Author(s): 
Pages: 127-130
Year: Issue:  3
Journal: Acta Academiae Medicinae Shandong

Keyword:  Toll-like receptor 4AtherosclerosisRisk factorsImmunohistochemistry;
Abstract: 目的探讨Toll样受体4(TLR4)的表达与动脉粥样硬化(AS)及其主要危险因素的关系。方法选取行冠状动脉旁路移植术患者31例共63块主动脉壁全层组织作为研究组;肾移植供体者8名共32块动脉壁全层组织作为对照组。应用免疫组织化学方法检测动脉壁全层组织中TLR4蛋白的表达,并分析TLR4蛋白的表达与年龄、性别、吸烟、血压、血糖、高密度脂蛋白胆固醇(HDL-C)、低密度脂蛋白胆固醇(LDL-C)、总胆固醇(TC)、甘油三酯(TG)等AS危险因素之间的关系。结果TLR4在研究组动脉壁全层组织中有明显表达,而对照组无表达。TLR4表达与高血压、高血糖、LDL-C升高、HDL-C降低相关(P均<0.05),与年龄、性别、吸烟、TC、TG无相关性(P>0.05)。结论TLR4可能是AS的始动因素,高血压、高血糖、LDL-C升高、HDL-C降低等危险因素通过TLR4信号途径促进AS的发生发展。
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