6. T-SPOT.TB. Oxford Immunotec. www.oxfordimmunotec.com/T-SPOT.TB_International. Accessed June 4, 2010. 7. T-SPOT.TBpackage insert. Marlborough, MA: Oxford Immunotec, Inc; July 2008. www.oxfordimmunotec.com/USpageInsert. Accessed June 5, 2010. 8. CDC. The role of BCG vaccine in the...
T-spot.TB检测的优点包括如下几个方面:①敏感性、特异性高:可从600000个分泌γ干扰素的细胞中检测出1个细胞,敏感性较高,且只有MTB以及极少数非MTB会发生阳性反应,可与BCG接种后出现的阳性反应相鉴别,具有很高的特异性;②临床应用广泛:可应用于活动性肺结核、潜伏性结核、免疫抑制患者合并结核以及肺外结核的诊断;③...
干扰素-γ释放试验是在体外检测T细胞经结核特异性抗原刺激之后产生和释放干扰素-γ能力的免疫学技术,藉此判断细胞介导的免疫反应。 国际上广泛使用的干扰素-γ释放试验有两种,即QuantiFERON-TB Gold In-Tube(QFT-GIT)和T-SPOT.TB,目前在我国各医院应用最普遍的...
本研究采用结核感染T淋巴细胞斑点试验(tuberculosis T cell spot detection, T-SPOT.TB)检测临床疑似结核病患者,并与临床诊断结果进行对比分析,评价T-SPOT.TB对诊断肺结核与肺外结核病的临床应用价值。 试读结束,您可以通过登录机构账户或个人账户后获取全文阅读权限。 已是订阅账户? 登录 摘要 参考文献 参考...
Multivariate logistic regression analysis revealed that male gender was independently associated with positive T-SPOT.TB, and positive T-SPOT.TB was inversely associated with the presence of BCG vaccine scar, serum albumin level and HD duration. Annual conversion rates were 12 and 32% for TST and...
Background: Interferon-gamma release assays (IGRAs) using Mycobacterium tuberculosis (MTB) antigens, ESAT-6 and CFP-10 proteins, are intrinsically more specific as they are less affected by most non-tuberculous mycobacterium (NTM) infections and the BCG vaccine. Studies have also shown that IGRAs...
1.T-spot.TB检测的原理及发展克隆的MTB基因组与BCG以及非MTB基因组的对比结果显示[2],MTB所特有的片段即缺失区域(RD)仅在极少数的非MTB内发现,其表达的蛋白为MTB所特有,且未发现存在于BCG中,因此,接种BCG后不会发生免疫交叉反应;另外,研究表明[3],近期暴露的抗原再次侵袭效应T细胞后,会释放gamma;干扰素,故对...
摘要目的:研究TSPOT.TB试剂盒在结核病临床诊断中的应用价值.方法:应用 TSPOT—TB试剂盒 检测结核感染组(包括26例I临床已确诊结核病患者和4例PPD强阳性志愿者) 和非结核感染组(包括20例 PPD阴性的非结核病患者和l0例PPD阴性的健康对照者)外周血单个核细胞,观 ...
结核感染T淋巴细胞斑点实验临床检测分析
tuberculosis genome, are more specific because they are not shared with any of the BCG vaccine strains or certain species of NTM [11, 12]. Two IGRAs are now available as commercial kits: the T-SPOT.TB® test (Oxford Immunotec, Oxford, UK), and the QuantiFERON®-TB Gold® (Cell...