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Real-time Quantitative Assay of Insertion Sequence 6110 DNA of Mycobacterium Tuberculosis and Its Value for Diagnosis of Tuberculosis

WU Zheng-xu

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Abstract

Objective To set up a real-time quantitative assay method of insertion sequence 6110 DNA of mycobacterium tuberculosis, and explore its value for diagnosing tuberculosis. Methods Real-time quantitative assay of insertion sequence 6110 DNA of mycobacterium tuberculosis was performed with Taqman technique and Lightcycler quantitative PCR system. Results 213 clinical samples of different types were detected, 32 cases were positive, and the positive rate was 15 02%. The scope of quantitative results of positive samples was 3 1～7 2×10 6 copies/ml, and the sensitivity and specificity for diagnosis of tuberculosis were 82 76% and 95 65% respectively Conclusion Real-time quantitative assay of insertion sequence 6110 DNA of mycobacterium tuberculosis is a rapid and effective method for diagnosis of tuberculosis.

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What this paper is about

Objective To set up a real-time quantitative assay method of insertion sequence 6110 DNA of mycobacterium tuberculosis, and explore its value for diagnosing tuberculosis. Methods Real-time quantitative assay of insertion sequence 6110 DNA of mycobacterium tuberculosis was performed with Taqman technique and Lightcycler quantitative PCR system. Results 213 clinical samples of different types were detected, 32 cases were positive, and the positive rate was 15 02%. The scope of quantitative results of positive samples was 3 1～7 2×10 6 copies/ml, and the sensitivity and specificity for diagnosis of tuberculosis were 82 76% and 95 65% respectively Conclusion Real-time quantitative assay of insertion sequence 6110 DNA of mycobacterium tuberculosis is a rapid and effective method for diagnosis of tuberculosis.

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Available abstract

Objective To set up a real-time quantitative assay method of insertion sequence 6110 DNA of mycobacterium tuberculosis, and explore its value for diagnosing tuberculosis. Methods Real-time quantitative assay of insertion sequence 6110 DNA of mycobacterium tuberculosis was performed with Taqman technique and Lightcycler quantitative PCR system. Results 213 clinical samples of different types were detected, 32 cases were positive, and the positive rate was 15 02%. The scope of quantitative results of positive samples was 3 1～7 2×10 6 copies/ml, and the sensitivity and specificity for diagnosis of tuberculosis were 82 76% and 95 65% respectively Conclusion Real-time quantitative assay of insertion sequence 6110 DNA of mycobacterium tuberculosis is a rapid and effective method for diagnosis of tuberculosis.

Key concepts: Insertion sequence, Mycobacterium tuberculosis, Tuberculosis, TaqMan, Mycobacterium tuberculosis complex, Real-time polymerase chain reaction, Medicine, Polymerase chain reaction

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