Detection Of Mycobacterium Tuberculosis And Mycobacterium Bovis From Spum And Blood Samples Of Human Using a Duplex PCR
By: Asma Nawaz
| Prof.Dr.Zafar Iqbal Ch.
Contributor(s): Dr.Azhar | Dr.Muhammad Younas Rana | Faculty of Veterinary Sciences.
Material type: 
BookPublisher: 2009Subject(s): Department of PathologyDDC classification: 1054,T Dissertation note: Tuberculosis is common infectious disease in the world. Mycobacterium tuberculosis is the most common cause of tuberculosis in the humans. Tuberculosis is endemic in Pakistan with about 1.5 million people infected. M.bovis is the major cause of gastrointestinal tuberculosis in humans.
The study was conducted in Lahore to compare 100 blood and 100 sputum samples from patients of active tuberculosis. The methods employed were conventional methods including Ziehl-Neelsen staining, culture on Lowenstein Jenson medium and biochemical tests. The Duplex PCR and conventional methods for diagnosis of tuberculosis caused by M.bovis and M.tuberculosis were compared on the sputum and blood samples. For M.tuberculosis and M.bovis the pncA gene and the species-specific 500-bp fragments were targeted in the Duplex PCR, respectively.
The sensitivity and specificity of Duplex PCR was found statistically significant in comparison to the conventional methods including Ziehl-Neelsen staining and culture for the differential diagnosis of tuberculosis caused by M.tuberculosis and M.bovis. Therefore Duplex PCR is a better choice of diagnostic test in the clinical setups where clinical urgencies necessitate a reliable, sensitive and specific test with the results in a short time period.
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UVAS Library Thesis Section | Veterinary Science | 1054,T (Browse shelf) | Available | 1054,T |
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Tuberculosis is common infectious disease in the world. Mycobacterium tuberculosis is the most common cause of tuberculosis in the humans. Tuberculosis is endemic in Pakistan with about 1.5 million people infected. M.bovis is the major cause of gastrointestinal tuberculosis in humans.
The study was conducted in Lahore to compare 100 blood and 100 sputum samples from patients of active tuberculosis. The methods employed were conventional methods including Ziehl-Neelsen staining, culture on Lowenstein Jenson medium and biochemical tests. The Duplex PCR and conventional methods for diagnosis of tuberculosis caused by M.bovis and M.tuberculosis were compared on the sputum and blood samples. For M.tuberculosis and M.bovis the pncA gene and the species-specific 500-bp fragments were targeted in the Duplex PCR, respectively.
The sensitivity and specificity of Duplex PCR was found statistically significant in comparison to the conventional methods including Ziehl-Neelsen staining and culture for the differential diagnosis of tuberculosis caused by M.tuberculosis and M.bovis. Therefore Duplex PCR is a better choice of diagnostic test in the clinical setups where clinical urgencies necessitate a reliable, sensitive and specific test with the results in a short time period.
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