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Differential Expression of Host Biomarkers in Saliva and Serum Samples from Individuals with Suspected Pulmonary Tuberculosis

机译:唾液中宿主生物标志物的差异表达来自涉嫌肺结核个体的个体唾液样本

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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:结核病的诊断仍然难以提供诸如儿童的优质痰样品。在这种情况下,炎症标记物的宿主生物炎可能是有价值的,特别是如果它们基于更容易获得的样品,例如唾液。为了探讨唾液作为结核病诊断/生物标志物调查中的替代样品的潜力,我们评估了来自患有肺结核症状的个体的唾液样本中33个宿主标记的水平,并将其与血清中获得的人进行比较。在研究中包含的38个个体中,通过痰培养在11(28.9%)中确认了结核病疾病。在结核病病例和非共壳中,大多数标记的水平高于两种样品类型的最小可检测极限,但没有一致的模式是血清/唾液中标志物的比例。唾液和IL-6,IL-6,IL-2,SAP和血清中血清中IL-2,SAP和SAA水平的裂缝胺,IL-17,IL-6,CRP,VEGF和IL-5水平显着高于结核病患者(P <0.05)。这些初步数据表明,与血清中表达的那些,唾液中表达的宿主标记水平有显着差异,并且两种样品类型中的炎症标志物是结核病疾病的潜在诊断候选者。

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