Archives of Clinical Infectious Diseases
Infectious Diseases and Tropical Medicine Research Center, SBUMS
Authors
It is difficult to diagnose Mycobacterium tuberculosis infection due to a lack of rapid, sensitive, and specific tests. Newer methods, which are easy and reliable, are required to diagnose TB at an early stage. Our aim is to evaluate the polymerase chain reaction (PCR) technique, using primers directed against the IS6110 gene, for the detection of M. tuberculosis in the sputum samples, and calculate the sensitivity and specificity of PCR.
A total of 248 sputum samples from patients suspected of mycobacterial diseases were studied. DNA was extracted by boiling method. IS6110 PCR method by a specific pair of primers designed to amplify 123bp and 245bp sequences of the insertion sequence, 6110, in the M. tuberculosis genome was used to analyze sputum samples.
Totally, 32 (12.9%) samples had positive culture. PCR yielded a sensitivity of 93.8% and specificity of 99.1% for the diagnosis of TB, when diagnosis was confirmed by culture. There were 2 out of 32(6.3%) PCR-positive cases among the patients with non-TB disease.
We concluded that the performance of an IS6110 PCR assay is valuable in the rapid diagnosis of tuberculosis.
© 2009, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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Niazi A, Moulaei N, Shahriar M, karimian R, Peykfalak F. Determining the Diagnostic Value of Mycobacterium Tuberculosis DNA in the Differentiation of Blood Samples of Patients with Active Pulmonary Tuberculosis and Healthy Controls Using Polymerase Chain Reaction. Zahedan J Res Med Sci. 2013;15(10):e92829. doi:
Jobayer M, Shamsuzzaman S, Zulfiquer Mamun K. Rapid Diagnosis of Pulmonary Tuberculosis From Sputum by Polymerase Chain Reaction. Arch Clin Infect Dis. 2014;9(2):20694. doi: https://doi.org/10.5812/archcid.20694
Heydari AA, Movahhede Danesh MR, Ghazvini K. Urine PCR Evaluation to Diagnose Pulmonary Tuberculosis. Jundishapur J Microbiol. 2014;7(3):e9311. doi: https://doi.org/10.5812/jjm.9311
Raza ST, Ali G, Hasan S, Mahdi F. Molecular Diagnosis of Tuberculosis: a New Primer Design. Arch Clin Infect Dis. 2009;4(2):e93400. doi:
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