TGFβ_1和BMP_2在人膝骨关节炎滑膜组织中的表达研究被引量：6

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摘要目的探讨转化生长因子(TGF-β1)和骨形成蛋白(BMP2)在人膝骨关节炎滑膜组织中的作用。方法采用免疫组织化学及原位杂交方法在光镜下观察TGFβ1和BMP2在人膝骨关节炎滑膜组织中的表达,以类风湿关节炎及健康意外截肢患者分别作为疾病对照组及正常对照组。结果早期骨关节炎(OA)患者滑膜组织各层TGFβ1蛋白表达与类风湿关节炎(RA)组及正常对照组差异有统计学意义(P<0.05);TGFβ1mRNA在血管周围及滑膜衬里层与RA组差异有统计学意义(P<0.05)。早期OA滑膜组织各层BMP2蛋白及BMP2mRNA表达与正常对照组差异有统计学意义(P<0.05);与RA组差异无统计学意义。早期OA各层TGFβ1、BMP2蛋白的表达与各炎症指标无相关性;早期RA滑膜衬里层TGFβ1蛋白表达与外周血小板计数呈正相关性,早期RA血管周围TGFβ1蛋白表达与炎症指标CRP呈正相关性。结论TGFβ1mRNA以及蛋白在OA的高表达可能成为OA后期骨化过度、骨性强直的原因之一;BMP2在OA滑膜组织各层的高表达推测有可能为OA软骨骨化强直病理变化中重要的“启动子”。

作者赵绵松李小霞张愚

机构地区北京世纪坛医院风湿免疫科首都医科大学宣武医院

出处《山西医科大学学报》 CAS 2006年第9期920-923,共4页 Journal of Shanxi Medical University

关键词骨关节炎膝滑膜骨形态发生蛋白类转化生长因子融

分类号 R684.3 [医药卫生—骨科学]

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