We previously reported that the increased expression of Dickkopf-related protein 1(DKK1)is positively related to vascular endothelial growth factor in the synovial fluid from patients with temporomandibular joint diso...We previously reported that the increased expression of Dickkopf-related protein 1(DKK1)is positively related to vascular endothelial growth factor in the synovial fluid from patients with temporomandibular joint disorders(TMDs).DKK1 is involved in angiogenic activities in the TMD synovium in vitro,but the expression of DKK1 after treatment of TMD-osteoarthritis(TMD-OA)with hyaluronic acid(HA)remains unknown.In this study,we assessed the expression of DKK1 in the synovial fluid of TMD-OA patients before and after treatment with HA via enzyme-linked immunosorbent assay.We also investigated the role of DKK1 in TMD-OA via immunohistochemical staining.The relationship between the expression of DKK1 and the clinicopathological characteristics was determined by Pearson analysis.The results showed that the expression of DKK1 was significantly decreased after treatment with HA.Correlation analyses indicated that the expression of DKK1 in the TMD-OA samples was closely correlated with mouth opening and pain.These findings suggest that DKK1 could play an important role in the pathogenesis and treatment of TMD.Reduction of the pain by HA treatment may be correlated with the decreased expression of DKK1.展开更多
目的检测不同病程膝关节骨性关节炎患者血液与滑膜液中白细胞介素-6(Interleukin-6,IL-6)含量,探讨其与活化T细胞核转录因子(Nuclear factor of activated T cell 1,NFAT1)表达水平在此类患者疾病进展中是否存在关联。方法选取自2017-05...目的检测不同病程膝关节骨性关节炎患者血液与滑膜液中白细胞介素-6(Interleukin-6,IL-6)含量,探讨其与活化T细胞核转录因子(Nuclear factor of activated T cell 1,NFAT1)表达水平在此类患者疾病进展中是否存在关联。方法选取自2017-05—2018-12住院治疗的56例膝关节骨性关节炎,轻度组8例,中度组31例,重度组17例。检测患者血液和滑膜组织中IL-6含量及NFAT1的mRNA表达水平,采用双荧光素酶报告基因验证NFAT1与IL-6启动子的相互作用。结果膝关节骨性关节炎患者滑膜液中IL-6的浓度明显高于血液,而外周血单个核细胞NFAT1的mRNA水平高于滑膜组织。重度组血液与滑膜液中IL-6含量高于轻度组和中度组,差异有统计学意义(P<0.05)。轻度组外周血单个核细胞与滑膜组织中NFAT1的mRNA水平低于中度组,而中度组低于重度组,差异有统计学意义(P<0.05)。在293T细胞中沉默NFAT1将显著降低野生型IL-6荧光报告质粒驱动的荧光素酶活性,但是突变型IL-6荧光报告质粒驱动的荧光素酶活性并无明显变化。结论IL-6与膝关节骨性关节炎的发生、发展相关,NFAT1作为一类具有广泛生理功能的转录因子参与介导膝关节骨性关节炎患者的IL-6表达,而IL-6高表达将加速疾病进展,因此在骨性关节炎早期即对NFAT1的作用进行抑制或许可以有效控制疾病进一步发展。展开更多
基金This study was supported by the Project of Wuhan University for Young Teachers(No.2042018kf0145).
文摘We previously reported that the increased expression of Dickkopf-related protein 1(DKK1)is positively related to vascular endothelial growth factor in the synovial fluid from patients with temporomandibular joint disorders(TMDs).DKK1 is involved in angiogenic activities in the TMD synovium in vitro,but the expression of DKK1 after treatment of TMD-osteoarthritis(TMD-OA)with hyaluronic acid(HA)remains unknown.In this study,we assessed the expression of DKK1 in the synovial fluid of TMD-OA patients before and after treatment with HA via enzyme-linked immunosorbent assay.We also investigated the role of DKK1 in TMD-OA via immunohistochemical staining.The relationship between the expression of DKK1 and the clinicopathological characteristics was determined by Pearson analysis.The results showed that the expression of DKK1 was significantly decreased after treatment with HA.Correlation analyses indicated that the expression of DKK1 in the TMD-OA samples was closely correlated with mouth opening and pain.These findings suggest that DKK1 could play an important role in the pathogenesis and treatment of TMD.Reduction of the pain by HA treatment may be correlated with the decreased expression of DKK1.
文摘目的检测不同病程膝关节骨性关节炎患者血液与滑膜液中白细胞介素-6(Interleukin-6,IL-6)含量,探讨其与活化T细胞核转录因子(Nuclear factor of activated T cell 1,NFAT1)表达水平在此类患者疾病进展中是否存在关联。方法选取自2017-05—2018-12住院治疗的56例膝关节骨性关节炎,轻度组8例,中度组31例,重度组17例。检测患者血液和滑膜组织中IL-6含量及NFAT1的mRNA表达水平,采用双荧光素酶报告基因验证NFAT1与IL-6启动子的相互作用。结果膝关节骨性关节炎患者滑膜液中IL-6的浓度明显高于血液,而外周血单个核细胞NFAT1的mRNA水平高于滑膜组织。重度组血液与滑膜液中IL-6含量高于轻度组和中度组,差异有统计学意义(P<0.05)。轻度组外周血单个核细胞与滑膜组织中NFAT1的mRNA水平低于中度组,而中度组低于重度组,差异有统计学意义(P<0.05)。在293T细胞中沉默NFAT1将显著降低野生型IL-6荧光报告质粒驱动的荧光素酶活性,但是突变型IL-6荧光报告质粒驱动的荧光素酶活性并无明显变化。结论IL-6与膝关节骨性关节炎的发生、发展相关,NFAT1作为一类具有广泛生理功能的转录因子参与介导膝关节骨性关节炎患者的IL-6表达,而IL-6高表达将加速疾病进展,因此在骨性关节炎早期即对NFAT1的作用进行抑制或许可以有效控制疾病进一步发展。