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与 Q 热疲劳综合征患者主诉相关的干扰素-γ 和 CXCL10 反应。

Interferon-γ and CXCL10 responses related to complaints in patients with Q fever fatigue syndrome.

机构信息

Radboud Expertise Center for Q fever, Department of Internal Medicine, Division of Infectious Diseases 463, Radboud University Medical Center, P.O. Box 9101, 6500, HB, Nijmegen, The Netherlands.

Department of Internal Medicine, Radboud University Medical Center, P.O. Box 9101, 6500, HB, Nijmegen, The Netherlands.

出版信息

Eur J Clin Microbiol Infect Dis. 2018 Jul;37(7):1385-1391. doi: 10.1007/s10096-018-3265-z. Epub 2018 May 26.

DOI:10.1007/s10096-018-3265-z
PMID:29804281
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6015096/
Abstract

Approximately 20% of patients with acute Q fever develop Q fever fatigue syndrome (QFS), a debilitating fatigue syndrome. This study further investigates the role of C. burnetii-specific IFNγ, but also IL-2, CXCL9, CXCL10, and CXLC11 production in QFS patients. C. burnetii-specific IFNy, IL-2, CXCL9, CXCL10, and CXCL11 production were tested in ex vivo stimulated whole blood of QFS patients who recovered from their complaints (n = 8), QFS patients with persisting complaints (n = 27), and asymptomatic Q fever seropositive controls (n = 10). With the exclusion of one outlier, stimulation with C. burnetii revealed significantly higher IFNy and CXCL10 production in QFS patients with persisting complaints (medians 288.0 and 176.0 pg/mL, respectively) than in QFS patients who recovered from their complaints (medians 93.0 and 85.5 pg/mL, respectively) (p = 0.041 and 0.045, respectively). No significant differences between groups were found for C. burnetii-specific IL-2, CXCL9, and CXCL11 production. These findings point towards a difference in cell-mediated immunity in QFS patients with persisting complaints compared to those who recovered from their complaints. Such a difference may aid to eventually diagnose QFS more objectively and might serve as an indicator of its underlying etiology.

摘要

约 20%的急性 Q 热患者会发展为 Q 热疲劳综合征(QFS),这是一种使人虚弱的疲劳综合征。本研究进一步调查了伯氏考克斯体特异性 IFNγ,以及 IL-2、CXCL9、CXCL10 和 CXCL11 产生在 QFS 患者中的作用。对已从症状中恢复的 QFS 患者(n=8)、持续存在症状的 QFS 患者(n=27)和无症状 Q 热血清阳性对照者(n=10)的体外刺激全血进行了 C. burnetii 特异性 IFNy、IL-2、CXCL9、CXCL10 和 CXCL11 产生的测试。排除一个离群值后,与已从症状中恢复的 QFS 患者(中位数分别为 93.0 和 85.5 pg/mL)相比,持续存在症状的 QFS 患者(中位数分别为 288.0 和 176.0 pg/mL)的 C. burnetii 刺激后 IFNy 和 CXCL10 产生明显更高(p=0.041 和 0.045)。对于 C. burnetii 特异性 IL-2、CXCL9 和 CXCL11 产生,各组之间无显著差异。这些发现表明,与已从症状中恢复的 QFS 患者相比,持续存在症状的 QFS 患者的细胞介导免疫存在差异。这种差异可能有助于最终更客观地诊断 QFS,并可能作为其潜在病因的指标。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6eab/6015096/ad0f3bd0cbca/10096_2018_3265_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6eab/6015096/ad0f3bd0cbca/10096_2018_3265_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6eab/6015096/ad0f3bd0cbca/10096_2018_3265_Fig1_HTML.jpg

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Clin Infect Dis. 2017 Apr 15;64(8):998-1005. doi: 10.1093/cid/cix013.
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Altered interferon-γ response in patients with Q-fever fatigue syndrome.
对先前自然暴露个体中针对 的回忆反应进行细胞仪分析,揭示了适应性和固有免疫细胞区室的长期变化。
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