Clinica Chimica Acta:单核细胞及其胞内钙分布在脊椎关节炎中的作用

2020-03-01 MedSci MedSci原创

脊椎关节炎(SpA)包括多种疾病,其特征是遗传背景和环境因素之间复杂的相互作用导致免疫反应失调和炎症。而与其他风湿病不同的是,在临床实践中还没有诊断SpA的特异性生物标志物。本研究的目的是通过对先天性免疫反应的研究,寻找新的SpA诊断的潜在生物标志物。 研究人员对SpA患者血液单核细胞中炎性细胞因子(TNF-α,IL-1β,TGF-β1,S100A8,S100A9)和基质金属蛋白酶(MMP3

脊椎关节炎(SpA)包括多种疾病,其特征是遗传背景和环境因素之间复杂的相互作用导致免疫反应失调和炎症。而与其他风湿病不同的是,在临床实践中还没有诊断SpA的特异性生物标志物。本研究的目的是通过对先天性免疫反应的研究,寻找新的SpA诊断的潜在生物标志物。

研究人员对SpA患者血液单核细胞中炎性细胞因子(TNF-αIL-1βTGF-β1S100A8S100A9)和基质金属蛋白酶(MMP3MMP8MMP9)的mRNA表达水平进行了评估(n = 64) )(n = 100)。 与此同时,验证了血液单核细胞的细胞内钙流的模式,以确定SpA患者先天免疫细胞是否有特定的指纹特征。

研究显示,炎性细胞因子和MMPs表达水平与SpA不相关,而在这种疾病中,观察到S100A8的表达降低和单核细胞的频率降低,显示出细胞内钙的流动。 总之,在SpA中未检测到全身性炎症的特定迹象,但该疾病影响调节细胞内钙和钙相关蛋白浓度的“开关”机制。 这可能为发现新的生物标记物铺平了道路。

研究验证了血液单核细胞的细胞内钙流动模式。炎性细胞因子和MMPs表达水平与SpA无关,而在本病中,S100A8表达降低,单核细胞内钙离子流动频率降低。综上所述,在SpA中没有发现系统性炎症的具体征象,但是疾病影响了调节细胞内钙和钙相关蛋白浓度的开关机制。这可能为发现新的生物标志物有一定帮助。

原始出处:

Stefania Moz,Mariagrazia Lorenzin,Emerging role of monocytes and their intracellular calcium pattern in spondyloarthritis

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    2020-03-19 windight
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    2020-03-03 lmm397
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    2020-03-03 neizongke

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