缺血性脑卒中患者血清中miR-145、miR-497表达变化及其与Hs-CRP、MMP-9的相关性

被引:12
作者
罗振钊
孔曼
卢忠心
王静
机构
[1] 武汉,华中科技大学同济医学院附属武汉市中心医院检验科
关键词
缺血性脑卒中; miR-145; miR-497; 超敏C反应蛋白; 基质金属蛋白酶-9;
D O I
暂无
中图分类号
R743.31 [短暂性脑缺血];
学科分类号
1002 ;
摘要
目的探讨miR-145、miR-497在缺血性脑卒中患者血清中的表达水平及其表达变化和超敏C反应蛋白(Hs-CRP)、基质金属蛋白酶-9(MMP-9)的相关性。方法选择武汉市中心医院自2013年1月至10月收治的126例缺血性脑卒中患者(患者组, 包括轻度神经功能缺损28例、中度神经功能缺损61例、重度神经功能缺损37例)和同期107例健康体检者(对照组)为研究对象, 采用荧光定量PCR法检测血清中miR-145、miR-497的表达水平, 采用免疫比浊法及ELISA法分别检测Hs-CRP和MMP-9的表达水平, 采用偏相关分析法探索患者组血清中miR-145、miR-497的表达变化与Hs-CRP、MMP-9的相关性。结果 (1)患者组血清中miR-145、miR-497及Hs-CRP、MMP-9的表达水平明显高于对照组, 差异均有统计学意义(P<0.05)。偏相关分析法结果显示:患者组血清中miR-145的表达水平与miR-497、CRP、MMP-9都存在正相关性(r=0.718, P=0.000;r=0.658, P=0.000;r=0.455, P=0.000), miR-497的表达水平与CRP、MMP-9都存在正相关性(r=0.845, P= 0.000;r= 0.787, P=0.000)。(2)重度神经功能缺损患者血清中miR-145、miR-497及Hs-CRP、MMP-9的表达水平明显高于中度、轻度患者, 中度神经功能缺损患者血清中miR-145、miR-497及Hs-CRP、MMP-9的表达水平明显高于轻度患者, 差异均有统计学意义(P<0.05);并且在不同程度神经功能缺损患者血清中, miR-145、miR-497和Hs-CRP、MMP-9的表达水平之间具有不同的相关强度。结论患者血清中miR-145、miR-497可能可以作为诊断缺血性脑卒中的分子标志物, 并且二者在缺血性脑卒中的发生发展过程中可能具有协同调控作用。
引用
收藏
页码:770 / 774
页数:5
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