Ⅱ型胶原羧基端端肽对骨关节炎早期诊断和病情评估的实验研究

被引:14
作者
任戈亮
桂鉴超
王黎明
徐燕
蒋逸秋
高航飞
机构
[1] 南京医科大学附属南京第一医院骨科
关键词
骨关节炎; 软骨; Ⅱ型胶原; CTX-Ⅱ;
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:定量检测骨关节炎(OA)大鼠模型血清、关节软骨蛋白提取液中Ⅱ型胶原羧基端端肽(CTX-Ⅱ)的变化,探讨其作为OA早期诊断及病情评估指标的价值和意义。方法:SD大鼠行前交叉韧带切断术诱导OA模型,将大鼠随机分为模型组和假手术组。于造模后不同时间点分批取血并处死取关节标本,检测血清及软骨蛋白提取液中CTX-Ⅱ水平,观察病理变化。结果:模型组术后2周开始出现OA特征性病理变化且逐渐加重,CTX-Ⅱ水平在术后3天开始不断升高。两组血清及软骨蛋白提取液中CTX-Ⅱ水平在造模后各时间点均有统计学差异,血清和软骨蛋白提取液中CTX-Ⅱ水平变化具有相关性。结论:在大鼠OA模型中,血清CTX-Ⅱ水平在未出现明显病理变化时即已开始增高,并与病灶区软骨中CTX-Ⅱ表达一致,可作为OA早期诊断和病情评估的参考指标。
引用
收藏
页码:653 / 657
页数:5
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