Homologous and Heterologous Antibody Responses to Lipopolysaccharide after Enterohemorrhagic Escherichia coli Infection

To evaluate antibody responses against lipopolysaccharide (LPS: O157, O26, and O111) in enterohemorrhagic Escherichia coli (EHEC) infection, sera of 24 schoolchildren associated with the Morioka outbreak in 1997 and of 74 sporadic patients suspected of having EHEC infection were examined. Using a po...

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Bibliographic Details
Published in:Microbiology and immunology 2004-01, Vol.48 (1), p.27-38
Main Authors: Tsutsumi, Reiko, Ichinohe, Naoko, Shimooki, Osamu, Obata, Fumiko, Takahashi, Kiomi, Inada, Katsuya, Sasaki, Mika, Sato, Shigehiro, Chida, Shoichi
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Antibodies, Bacterial - blood
Blotting, Western
Child
Child, Preschool
ELISA
Enzyme-Linked Immunosorbent Assay
Escherichia coli
Escherichia coli Infections - epidemiology
Escherichia coli Infections - immunology
Escherichia coli O157 - immunology
Escherichia coli O157 - isolation & purification
Feces - microbiology
Humans
Immunoglobulin G - blood
Immunoglobulin M - blood
Infant
Kinetics
Lipopolysaccharides - immunology
Middle Aged
O Antigens - immunology
O157
serodiagnosis
western blotting
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Summary:To evaluate antibody responses against lipopolysaccharide (LPS: O157, O26, and O111) in enterohemorrhagic Escherichia coli (EHEC) infection, sera of 24 schoolchildren associated with the Morioka outbreak in 1997 and of 74 sporadic patients suspected of having EHEC infection were examined. Using a positive standard serum, quantitative evaluation of LPS antibodies by an enzyme‐linked immunosorbent assay (ELISA) was established. High levels of specific IgM and IgA antibodies against homologous E. coli LPS were present in the acute period and are characteristic of EHEC. This could be used for the serological diagnosis of EHEC infection, except for early infants and the elderly. In addition to the specific homologous response, multiple antibody responses against different serotypes other than those isolated were demonstrated in many cases by qualitative analysis using Western blotting.
ISSN:0385-5600
1348-0421
DOI:10.1111/j.1348-0421.2004.tb03484.x