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Updated: Mar 16, 2026
Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray
Published on: April 25, 2014
Loop-mediated isothermal amplification assay for detection of Mycobacterium tuberculosis complex in infertile women
S Sethi1, L Dhaliwal2, P Dey3
1Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Background:
Female genital tuberculosis (FGTB) has a profound impact on the reproductive health of patients including infertility. Conventional diagnostic techniques have low sensitivity and specificity as well as long turnaround time. There is a need of developing newer, rapid and practically adaptable technique, especially in low-income countries.
Objective:
To standardize and evaluate loop-mediated isothermal amplification (LAMP) technique for diagnosis of FGTB.
Methods:
A total of 300 endometrial biopsy samples from infertile females were subjected to Ziehl-Neelsen (ZN) staining, Lowenstein-Jensen culture, automated culture (BACTEC mycobacterial growth indicator tube), histopathological examination (HPE), nucleic acid amplification by polymerase chain reaction (PCR) and LAMP technique. Composite gold standard (either smear/culture/HPE/PCR positive) was considered for calculation of outcome parameters.
Results:
The observed sensitivities of ZN smear, culture, HPE, PCR and LAMP were 2.94%, 10.29%, 8.82%, 95.59% and 66.18%, respectively. Overall concordance between PCR and LAMP was 63%, which shows a good agreement.
Conclusion:
This study is the first to evaluate LAMP in the diagnosis of FGTB and found it to be a rapid and convenient technique, especially in low resource endemic settings.
