Mycobacterium leprae particle agglutination in diagnosis and monitoring of treatment of leprosy
Kampirapap, K.
Journal of the Medical Association of Thailand 82(10): 1020-1024
1999
ISSN/ISBN: 0125-2208 PMID: 10561966 Document Number: 1758
IgM antibody levels against PGL-1 antigen were measured by M. leprae particle agglutination (MLPA) in 156 untreated leprosy patients. The seropositivity rate was much higher in newly untreated MB patients (84.7%) than in PB patients (19.7%). The mean MLPA titers in MB and PB declined significantly after 1 month of MDT (p < 0.001). Seropositivities in control serum specimens were 11.3 per cent in active pulmonary tuberculosis patients, 2.6 per cent in dermatologic patients and 4.4 per cent in a healthy population, in low titers. The study confirms that, anti PGL-1 assay using MLPA is a sensitive and specific diagnostic tool for the diagnosis of leprosy especially MB patients. Additionally, it provides an alternative tool in monitoring leprosy patients under MDT.
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