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  • Group B Streptococcus (GBS) Urinary Tract Infection Involves Binding of GBS to Bladder Uroepithelium and Potent but GBS-Specific Induction of Interleukin 1α

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    Author(s)
    Ulett, Glen C
    Webb, Richard I
    Ulett, Kimberly B
    Cui, Xiangqin
    Benjamin, William H
    Crowley, Michael
    Schembri, Mark A
    Griffith University Author(s)
    Ulett, Glen C.
    Year published
    2010
    Metadata
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    Abstract
    Group B Streptococcus (GBS) causes urinary tract infections, but the pathogenic mechanisms underlying GBS urinary tract infections are unknown. We investigated whether uropathogenic GBS can bind to bladder uroepithelium to initiate urinary tract infection. Uropathogenic GBS isolated from a patient with acute cystitis bound to human T24 bladder uroepithelial cells in close association with F-actin in statistically significantly higher numbers compared with nonuropathogenic GBS. In vivo modeling using transurethrally infected mice revealed superior fitness of uropathogenic GBS for bladder colonization and potent uropathogenic ...
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    Group B Streptococcus (GBS) causes urinary tract infections, but the pathogenic mechanisms underlying GBS urinary tract infections are unknown. We investigated whether uropathogenic GBS can bind to bladder uroepithelium to initiate urinary tract infection. Uropathogenic GBS isolated from a patient with acute cystitis bound to human T24 bladder uroepithelial cells in close association with F-actin in statistically significantly higher numbers compared with nonuropathogenic GBS. In vivo modeling using transurethrally infected mice revealed superior fitness of uropathogenic GBS for bladder colonization and potent uropathogenic GBS-specific up-regulation of interleukin 1alpha during infection. Thus, binding of uropathogenic GBS to uroepithelium and vigorous induction of interleukin 1alpha represents the initial stages of GBS urinary tract infection.
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    Journal Title
    Journal of Infectious Diseases
    Volume
    201
    Issue
    6
    DOI
    https://doi.org/10.1086/650696
    Copyright Statement
    © 2010 by University of Chicago Press. The attached file is reproduced here in accordance with the copyright policy of the publisher. First published in the Journal of Infectious Diseases with publishing partner, Infectious Diseases Society of America. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Biological sciences
    Biomedical and clinical sciences
    Medical bacteriology
    Publication URI
    http://hdl.handle.net/10072/33208
    Collection
    • Journal articles

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