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Serodiagnosis of Lyme disease by ELISA using Borrelia burgdorferi flagellum antigen.

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Antibodies to a 41,000 (41 kD) polypeptide in flagella of Borrelia burgdorferi were measured in patients with
Lyme disease in Japan by flagellum ELISA. The IgG and IgM Classes of antibodies to a flagellum antigens were detected in the sera as early as 0.5 months after infection. The IgG antibodies continued to exist in their sera for more than one year, while the IgM antibodies quickly faded out from their sera. With respect to a diagnostic specificity of the flagellum ELISA, false positive reactions showing more than 10% were observed in sera with high levels of IgG or IgM, and with anti-syphilis antibody. This method, however, was unaffected by sera with high levels of IgA, rheumatoid factor or anti-nuclear antibody. In three cases of patients with erythema migrans preceded by tick-bite, and treated with antibiotics, seronegative results were observed by a immunoperoxidase (IP) test. Since two of them showed the positive level of IgM antibody by the flagellum ELISA, this method seems to be more sensitive and useful than the IP test for serodiagnosis of the
Lyme disease.

Rinsho Byori. 1991 Aug;39(8):891-4. English Abstract

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