骨关节炎关节软骨细胞中低氧诱导因子2α及血管内皮生长因子的表达

被引:11
作者
刘丰
彭昊
周建林
方洪松
邓爽
杨骁
翁金清
机构
[1] 武汉大学人民医院骨外科
关键词
骨关节炎; 软骨,关节; 缺氧诱导因子1; 血管内皮生长因子类; 组织构建; 软骨组织工程; 低氧诱导因子2α; 关节软骨; 血管内皮生长因子; 国家自然科学基金;
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
背景:已有研究发现血管内皮生长因子及低氧诱导因子参与了骨关节炎的发生发展过程,但两者的相关性研究鲜有报道。目的:分析低氧诱导因子2α和血管内皮生长因子在膝骨关节炎患者关节软骨细胞中的表达及相关性。方法:临床收集50例严重膝关节炎接受全膝关节置换患者的膝关节软骨组织标本,根据关节KellgrenLawrance(K-L)X射线分级标准进行分组,其中K-LⅢ级组18例,K-LⅣ级组32例;另取10例因下肢肿瘤或车祸而截肢患者的正常膝关节(K-L分级均为0级)软骨组织标本作为对照组。在苏木精-伊红和Safranin OFast Green染色下进行Mankin整体评分比较各组关节软骨退变程度,免疫组织化学染色检测关节软骨组织细胞中低氧诱导因子2α和血管内皮生长因子的表达,并比较它们的相关性。结果与结论:K-LⅣ级组Mankin整体评分高于K-LⅢ级组和K-L 0级组。免疫组织化学染色显示K-LⅣ级组关节软骨细胞中低氧诱导因子2α和血管内皮生长因子的阳性细胞计数均高于K-LⅢ组和K-L 0级(P<0.05)。低氧诱导因子2α和血管内皮生长因子蛋白在骨关节炎患者关节软骨细胞中表达明显增加,提示低氧诱导因子2α可能上调了靶基因血管内皮生长因子的表达,从而加速了骨关节炎的发生发展。
引用
收藏
页码:201 / 206
页数:6
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