急性冠状动脉综合症患者血浆溶血磷脂酸及基质金属蛋白酶-9水平的检测及意义
Progress in Modern Biomedicine(2011)
Abstract
目的:探讨急性冠状动脉综合症(acute coronary syndromes,ACS)患者血浆溶血磷脂酸(1ysophosphatidic acid,LPA)及基质金属蛋白酶-9(matrix metalloproteinase-9,MMP-9)水平的变化,探讨其在ACS中可能的临床意义。方法:入选100例ACS患者,根据病情将其分为急性心肌梗死(AMI)组50例,不稳定型心绞痛(UAP)组50例,并入选40例健康者作为对照组,分别用无机磷定量法和酶联免疫吸附测定法测定血浆LPA、MMP-9水平。结果:AMI组血浆LPA、MMP-9水平显著高于UAP组(LPA:3.29±0.42vs2.67±0.37;MMP-9:481.7±86.5vs237.85±65.34,P<0.01)并且两组均显著高于对照组(LPA:1.82±0.31;MMP-9:87.42±23.85P<0.01);LPA与MMP-9水平呈正相关(r=0.224,P<0.05)。结论:LPA与MMP-9可能是提示不稳定斑块的形成、破裂,进而导致急性冠状动脉综合征的危险信号。
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Key words
Acute coronary syndrome,Matrix metalloproteinase-9,1ysophosphatidic acid
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