A sensitive urinary lipoarabinomannan test for tuberculosis.
A sensitive urinary lipoarabinomannan test for tuberculosis.
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DOI:
10.1371/journal.pone.0123457
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发表时间:
2015
期刊:
影响因子:
3.7
通讯作者:
Svenson S
中科院分区:
文献类型:
--
作者:
Hamasur B;Bruchfeld J;van Helden P;Källenius G;Svenson S
We have previously developed a diagnostic test for tuberculosis based on detection of mycobacterial lipoarabinomannan (LAM) in urine. The method depended on a laborious concentration step. We have now developed an easy to perform test based on a magnetic immunoassay platform, utilizing high avidity monoclonal antibodies for the detection of LAM in urine. With this method the analytical sensitivity of the assay was increased 50-100-fold compared to conventional ELISA. In a pilot study of HIV-negative patients with microbiologically verified TB (n=17) and healthy controls (n=22) the sensitivity of the test was 82% and the specificity 100%. This is in stark positive contrast to a range of studies using available commercial tests with polyclonal anti-LAM Abs where the sensitivity of the tests in HIV-negative TB patients was very low.
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影响因子:
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通讯作者:
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Reither K;Saathoff E;Jung J;Minja LT;Kroidl I;Saad E;Huggett JF;Ntinginya EN;Maganga L;Maboko L;Hoelscher M
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通讯作者:
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