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Cited by 512

The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.

Mechanisms of uropathogenic Escherichia coli persistence and eradication from the urinary tract

Mysorekar, Indira U., Hultgren, Scott J.·2006·Proceedings of the National Academy of Sciences

Abstract

Recurrent urinary tract infections (rUTIs) are a source of considerable morbidity in women. The infecting bacteria in both rUTIs and a de novo acute infection have been thought to originate from an extraurinary location. Here, we show in a murine model of UTI that uropathogenic Escherichia coli (UPEC) established quiescent intracellular reservoirs (QIRs) in Lamp1 + endosomes within the urinary bladder epithelium. Depending on the integrity of the urothelial barriers at the time of initial infection, these QIRs were established within terminally differentiated superficial facet cells and/or underlying transitional epithelial cells. Treatment of infected bladders harboring exclusively superficial facet cell QIRs with the cationic protein, protamine sulfate, led to epithelial exfoliation and eradication of bacteria in 100% of treated animals. However, when the bacterial QIRs were harbored in underlying transitional cells, stimulation of epithelial turnover triggered reemergence of viable organisms and recurrence of infection. Thus, our results suggest ( i ) that bacterial QIRs within the bladder may be a previously unappreciated source of recurrent UTIs and ( ii ) that inducing epithelial exfoliation may be a therapeutic avenue for treating this heretofore recalcitrant disease.

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Metadata

Authors
Mysorekar, I. U., & Hultgren, S. J.
Venue
Proceedings of the National Academy of Sciences
Published
2006-09-19
Volume
103
Issue
38
Pages
14170-14175
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2144098483
Cited by
512
References
29
FWCI
14.17
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Mechanisms of uropathogenic Escherichia coli persistence and eradication from the urinary tract. https://app.cochat.ai/papers/10.1073/pnas.0602136103
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Mysorekar, I. U., & Hultgren, S. J. (2006). Mechanisms of uropathogenic Escherichia coli persistence and eradication from the urinary tract. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0602136103

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.