膝关节骨关节炎滑液和软骨骨桥蛋白水平与其病变程度的相关性

被引:21
作者
高曙光
徐文硕
曾凯斌
涂敏
徐迈
罗伟
李康华
雷光华
机构
[1] 中南大学湘雅医院骨科中南大学骨科研究所
关键词
骨桥蛋白质; 骨关节炎,膝; 滑液; 软骨,关节;
D O I
暂无
中图分类号
R684.3 [关节炎];
学科分类号
100220 [骨科学];
摘要
目的探讨膝关节骨关节炎(osteoarthritis,OA)患者滑液和关节软骨骨桥蛋白(osteopontin,OPN)水平及其与病变严重程度的关系。方法随机选取50例膝关节OA患者[男15例,女35例;年龄48~81岁,平均(61.8±7.4)岁]和10名健康对照者[男4例,女6例;年龄59~68岁,平均年龄(63.2±6.0)岁]作为研究对象。采用Mankin评分评价疾病严重程度,Kellgren-Lawrence标准进行放射学分级,酶联免疫吸附法测定关节滑液OPN水平,免疫组化方法测定关节软骨OPN光密度值。结果 OA患者与对照者相比,关节滑液OPN水平[(4519.60±1830.37)pg/ml:(1179.70±303.39)pg/ml)和关节软骨OPN光密度值[(0.60±0.06):(0.43±0.07)]均明显升高。关节滑液OPN水平与关节软骨OPN表达呈正相关(r=0.411,P=0.003)。关节滑液OPN水平与OA病变严重程度(KL分级)呈正相关(r=0.581,P<0.001)。关节软骨OPN表达与OA病变严重程度(Mankin评分)呈正相关(r=0.675,P<0.001)。结论关节滑液和关节软骨OPN水平与病变严重程度相关。
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