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Indian J Lepr. 1986 Apr-Jun;58(2):185-90.

A dot enzyme immunoassay for detection of IgM antibodies against phenolic glycolipid-I in sera from leprosy patients.

Abstract

A visual dipstick dot enzyme immunoassay (EIA) for diagnosis of leprosy is described. The assay is based on detection of IgM antibodies against phenolic glycolipid (PGL-I) in sera from leprosy patients. The antigen (PGL-I or synthetic disaccharide of PGL-I) was dotted on a nitrocellulose pad stuck on a plastic strip (dipstick). Sera were used at a dilution of 1:200. Peroxidase coupled mouse anti-human IgM monoclonal antibodies were used as the conjugate. A positive test gave a blue dot against a white background. The test was highly specific for leprosy, and was quite sensitive for detection of bacilliferous (BL/LL) leprosy. The antigen dotted and preblocked dipsticks stored at room temperature upto 4 months of observation period, were unable in the assay.

PMID:
3543160
[Indexed for MEDLINE]

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