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Rheumatology:可溶性尿酸可在痛风症状出现前募集外周血单核细胞

2013-07-03 xc19851030 dxy

既往研究发现,痛风性关节炎发作时,单核细胞是局部浸润最早的炎性细胞之一,而血清趋化因子2(CCL2)是与单核细胞转运相关的重要的单核细胞趋化因子。为评估痛风患者的高尿酸血症对其血清趋化因子2(CCL2)水平及血单核细胞的影响,来自新西兰奥塔哥大学马格拉汉医学研究中心的Rebecca Grainger等人进行了一项研究,研究结果发表于2013年6月的《风湿病学》(Rheumatology)杂志上。研

既往研究发现,痛风性关节炎发作时,单核细胞是局部浸润最早的炎性细胞之一,而血清趋化因子2(CCL2)是与单核细胞转运相关的重要的单核细胞趋化因子。为评估痛风患者的高尿酸血症对其血清趋化因子2(CCL2)水平及血单核细胞的影响,来自新西兰奥塔哥大学马格拉汉医学研究中心的Rebecca Grainger等人进行了一项研究,研究结果发表于2013年6月的《风湿病学》(Rheumatology)杂志上。研究发现,高尿酸血症可与外周血CCL2水平升高并诱导单核细胞转运相关。
研究纳入了既往有急性或慢性痛风发作而目前处于发作间期的痛风患者、无症状性高尿酸血症患者以及正常血尿酸水平的健康对照组受试者,从上述研究对象中采集外周血全血,用微球捕获技术检测CCL2的血清浓度、流式细胞仪检测外周血CD14+/CD11b+单核细胞水平。与血尿酸水平正常的受试者相比,痛风患者及无症状高尿酸血症患者的CCL2血清浓度更高,外周血CD14+单核细胞比例也更多。
研究认为,可溶性尿酸介导的CCL2生成增多可能导致血清CCL2水平升高及单核细胞募集。在痛风发作过程中,高尿酸血症可能在临床症状出现前即诱导了外周血单核细胞的粘附及转运。

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