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Research Article 


Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India

Gunjan Goyal, Anil Chandra Phukan, Masaraf Hussain, Vivek Lal, Manish Modi, Manoj Kumar Goyal, Karthik Vinay Mahesh, Rakesh Sehgal.


Abstract
Objectives: Neurocysticercosis (NCC) is one of the commonly Neglected tropical disease worldwide. Improvement in Living conditions with better diagnostics can reduce the incidence of this disease. The burden of NCC is high in areas with poor socio-economic development. Despite high prevalence in India, the diagnostic challenge remains especially when differentiating from tuberculosis which is also common in the same setting. We describe a novel and rapid diagnostic method for NCC, which might add to our diagnostic Repertoire.
Methods: It was prospective case control study involving consecutive patients of definite and probable NCC at a tertiary teaching hospital in Northern India. LAMP assay in urine was performed in all the patients. LAMP amplified target Taenia solium cox1 gene at 60ºC in 120min. The results were compared with 24 controls. The specificity, sensitivity, positive predictive value and negative value were calculated using a 2X 2 contingency table.
Results: Total of 58 patients recruited, 53 were definitive NCC and 5 had probable NCC based on Del Brutto criteria and 24 volunteers were taken as control all of them underwent urine LAMP of Taenia solium. Taenia solium cox1 gene was detected in 60% of Urine samples in patients of NCC, overall specificity of LAMP assay was 92%. The negative predictive value and positive predictive value of real time LAMP assay was 50% and 95%.
Conclusions: Conclusion: Real time urine LAMP assay for Taenia solium gene offers noninvasive, cost effective and rapid method to detect Taenia parasite in patients, in Addition to available investigations. Specially in resource limited setting of endemic countries. J Microbiol Infect Dis 2020; 10(3):155-159.

Key words: Loop mediated isothermal amplification, Taenia solium, cox1 gene, Neurocysticercosis, Urine


 
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How to Cite this Article
Pubmed Style

Goyal G, Phukan AC, Hussain M, Lal V, Modi M, Goyal MK, Mahesh KV, Sehgal R. Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India. J Microbiol Infect Dis. 2020; 10(3): 155-159 . doi:10.5799/jmid.790287

Web Style

Goyal G, Phukan AC, Hussain M, Lal V, Modi M, Goyal MK, Mahesh KV, Sehgal R. Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India. https://www.jmidonline.org/?mno=302657046 [Access: January 09, 2025]. doi:10.5799/jmid.790287

AMA (American Medical Association) Style

Goyal G, Phukan AC, Hussain M, Lal V, Modi M, Goyal MK, Mahesh KV, Sehgal R. Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India. J Microbiol Infect Dis. 2020; 10(3): 155-159 . doi:10.5799/jmid.790287


Vancouver/ICMJE Style

Goyal G, Phukan AC, Hussain M, Lal V, Modi M, Goyal MK, Mahesh KV, Sehgal R. Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India. J Microbiol Infect Dis. (2020), [cited January 09, 2025]; 10(3): 155-159 . doi:10.5799/jmid.790287


Harvard Style

Goyal, G., Phukan, . A. C., Hussain, . M., Lal, . V., Modi, . M., Goyal, . M. K., Mahesh, . K. V. & Sehgal, . R. (2020) Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India. J Microbiol Infect Dis, 10 (3), 155-159 . doi:10.5799/jmid.790287


Turabian Style

Goyal, Gunjan, Anil Chandra Phukan, Masaraf Hussain, Vivek Lal, Manish Modi, Manoj Kumar Goyal, Karthik Vinay Mahesh, and Rakesh Sehgal. 2020. Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India. Journal of Microbiology and Infectious Diseases, 10 (3), 155-159 . doi:10.5799/jmid.790287


Chicago Style

Goyal, Gunjan, Anil Chandra Phukan, Masaraf Hussain, Vivek Lal, Manish Modi, Manoj Kumar Goyal, Karthik Vinay Mahesh, and Rakesh Sehgal. "Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India." Journal of Microbiology and Infectious Diseases 10 (2020), 155-159 . doi:10.5799/jmid.790287


MLA (The Modern Language Association) Style

Goyal, Gunjan, Anil Chandra Phukan, Masaraf Hussain, Vivek Lal, Manish Modi, Manoj Kumar Goyal, Karthik Vinay Mahesh, and Rakesh Sehgal. "Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India." Journal of Microbiology and Infectious Diseases 10.3 (2020), 155-159 . Print. doi:10.5799/jmid.790287


APA (American Psychological Association) Style

Goyal, G., Phukan, . A. C., Hussain, . M., Lal, . V., Modi, . M., Goyal, . M. K., Mahesh, . K. V. & Sehgal, . R. (2020) Real time loop mediated isothermal amplification assay of urine for diagnosis of neurocysticercosis: Preliminary observations from a tertiary care center in North India. Journal of Microbiology and Infectious Diseases, 10 (3), 155-159 . doi:10.5799/jmid.790287


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