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首页> 外文期刊>Mediators of inflammation >Differential Expression of Host Biomarkers in Saliva and Serum Samples from Individuals with Suspected Pulmonary Tuberculosis
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Differential Expression of Host Biomarkers in Saliva and Serum Samples from Individuals with Suspected Pulmonary Tuberculosis

机译:疑似肺结核患者唾液和血清样品中宿主生物标志物的差异表达

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摘要

The diagnosis of tuberculosis remains challenging in individuals with difficulty in providing good quality sputum samples such as children. Host biosignatures of inflammatory markers may be valuable in such cases, especially if they are based on more easily obtainable samples such as saliva. To explore the potential of saliva as an alternative sample in tuberculosis diagnostic/biomarker investigations, we evaluated the levels of 33 host markers in saliva samples from individuals presenting with pulmonary tuberculosis symptoms and compared them to those obtained in serum. Of the 38 individuals included in the study, tuberculosis disease was confirmed in 11 (28.9%) by sputum culture. In both the tuberculosis cases and noncases, the levels of most markers were above the minimum detectable limit in both sample types, but there was no consistent pattern regarding the ratio of markers in serum/saliva. Fractalkine, IL-17, IL-6, IL-9, MIP-1beta, CRP, VEGF, and IL-5 levels in saliva and IL-6, IL-2, SAP, and SAA levels in serum were significantly higher in tuberculosis patients (P < 0.05). These preliminary data indicate that there are significant differences in the levels of host markers expressed in saliva in comparison to those expressed in serum and that inflammatory markers in both sample types are potential diagnostic candidates for tuberculosis disease.
机译:对于难以提供高质量痰液样本的个人(例如儿童),结核病的诊断仍然具有挑战性。在这种情况下,炎症标志物的宿主生物特征可能是有价值的,特别是如果它们基于唾液等更容易获得的样品。为了探索唾液作为结核病诊断/生物标记物研究中替代样本的潜力,我们评估了表现出肺结核症状的个体唾液样本中33种宿主标记物的水平,并将其与血清中的样本进行了比较。在研究中包括的38个人中,有11名(28.9%)通过痰培养证实了结核病。在结核病病例和非结核病病例中,两种样品中大多数标记物的水平均高于最低可检测限,但血清/唾液中标记物的比例没有一致的规律。结核中唾液中的Fractalkine,IL-17,IL-6,IL-9,MIP-1beta,CRP,VEGF和IL-5水平以及血清中IL-6,IL-2,SAP和SAA的水平显着升高患者(P <0.05)。这些初步数据表明,与血清中表达的宿主标志物相比,唾液中表达的宿主标志物水平存在显着差异,并且两种样品类型中的炎症标志物都是结核病的潜在诊断候选物。

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