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首页> 外文期刊>Cytokine >Genetic variation in TLR10 is not associated with chronic Q fever, despite the inhibitory effect of TLR10 on Coxiella burnetii-induced cytokines in vitro
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Genetic variation in TLR10 is not associated with chronic Q fever, despite the inhibitory effect of TLR10 on Coxiella burnetii-induced cytokines in vitro

机译:尽管TLR10对柯氏杆菌体外诱导的细胞因子有抑制作用,但TLR10的遗传变异与慢性Q发无关

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Coxiella burnetii, the causative agent of Q fever, is recognized by TLR2. TLR10 can act as an inhibitory receptor on TLR2-derived immune responses. Therefore, we investigated the role of TLR10 on C. burnetii-induced cytokine production and assessed whether genetic polymorphisms in TLR10 influences the development of chronic Q fever. HEK293 cells, transfected with TLR2, TLR10 or TLR2/TLR10, and human peripheral blood mononuclear cells (PBMCs) in the presence of anti-TLR10, were stimulated with C burnetii. In both assays, the absence of TLR10 resulted in increased cytokine responses after C burnetii stimulation. In addition, the effect of single nucleotide polymorphisms (SNPs) in TLR10 was examined in healthy volunteers whose PBMCs were stimulated with C burnetii Nine Mile or the Dutch outbreak isolate C burnetii 3262. Individuals bearing SNPs in TLR10 displayed increased cytokine production upon C burnetii 3262 stimulation. Furthermore, 139 chronic Q fever patients and 220 controls were genotyped for TLR10 N241H, 1775V and I369L. None of these polymorphisms were associated with increased susceptibility to chronic Q fever. In conclusion, TLR10 has an inhibitory effect on in vitro cytokine production by C. burnetii, but the presence of TLR10 polymorphisms does not lead to an increased risk of developing chronic Q fever. (C) 2015 Elsevier Ltd. All rights reserved.
机译:TLR2识别Q热病的致病菌Burnetii。 TLR10可以充当TLR2衍生的免疫反应的抑制受体。因此,我们调查了TLR10在伯氏梭菌诱导的细胞因子产生中的作用,并评估了TLR10中的遗传多态性是否影响了慢性Q热的发展。用Burnetii C刺激用TLR2,TLR10或TLR2 / TLR10转染的HEK293细胞和存在抗TLR10的人外周血单个核细胞(PBMC)。在这两种测定中,TLR10的缺失都会导致伯氏杆菌刺激后细胞因子应答增加。另外,在健康志愿者中检查了TLR10中单核苷酸多态性(SNPs)的作用,健康志愿者的PBMC被伯尼氏菌九英里或荷兰疫情隔离株伯尼特氏菌3262刺激。在伯尼氏菌3262中带有TLR10的个体显示出增加的细胞因子产生刺激。此外,对139名慢性Q发热患者和220名对照进行了TLR10 N241H,1775V和I369L的基因分型。这些多态性均与慢性Q热易感性增加无关。总之,TLR10对伯氏梭菌体外细胞因子的产生具有抑制作用,但是TLR10多态性的存在不会导致患慢性Q发热的风险增加。 (C)2015 Elsevier Ltd.保留所有权利。

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