Evidence map›Paper›PMID 24363814›Full record

ArticlePloS one2013

Enterococcus faecalis subverts and invades the host urothelium in patients with chronic urinary tract infection.

Harry Horsley, James Malone-Lee, David Holland, Madeleine Tuz, Andrew Hibbert, Michael Kelsey, Anthony Kupelian, Jennifer L Rohn

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 71 papers.

0numbers the graph read from it
0cells of the map it votes in
71citing papers in PubMed
3.5field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

71 citing papers in PubMed, 118 citations in OpenAlex.

  1. Trial
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  5. Observational
  6. Article
  7. Infection and immunity · 2026
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  8. Identification of candidate nucleomodulins in ESKAPE bacteria -Frontiers in cellular and infection microbiology · 2026
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  9. Article
  10. More than an infection: the ecological puzzle of recurrent urinary tract infections.Frontiers in cellular and infection microbiology · 2026
    Review
  11. Complete genome sequence of vaginal swab isolateMicrobiology resource announcements · 2025
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  14. Article
  15. Article
  16. Microbiology and molecular biology reviews : MMBR · 2024
    Review
  17. Article
  18. Article
  19. From the Friend to the Foe-International journal of molecular sciences · 2024
    Review
  20. Review

11 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 1 country.

Harry HorsleyCentre for Clinical Science and Technology, Research Department of Clinical Physiology, Division of Medicine, University College London, London, United Kingdom.
James Malone-LeeCentre for Clinical Science and Technology, Research Department of Clinical Physiology, Division of Medicine, University College London, London, United Kingdom.
David HollandCentre for Clinical Science and Technology, Research Department of Clinical Physiology, Division of Medicine, University College London, London, United Kingdom.
Madeleine TuzCentre for Clinical Science and Technology, Research Department of Clinical Physiology, Division of Medicine, University College London, London, United Kingdom.
Andrew HibbertImaging Suite, Royal Veterinary College, London, United Kingdom.
Michael KelseyDepartment of Microbiology, The Whittington Hospital NHS Trust, London, United Kingdom.
Anthony KupelianCentre for Clinical Science and Technology, Research Department of Clinical Physiology, Division of Medicine, University College London, London, United Kingdom.
Jennifer L RohnCentre for Clinical Science and Technology, Research Department of Clinical Physiology, Division of Medicine, University College London, London, United Kingdom.
University College London · GBRoyal Veterinary College · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bacterial urinary tract infections (UTI) are a major growing concern worldwide. Uropathogenic Escherichia coli has been shown to invade the urothelium during acute UTI in mice and humans, forming intracellular reservoirs that can evade antibiotics and the immune response, allowing recurrence at a later date. Other bacterial species, such as Staphylococcus saprophyticus, Klebsiella pneumonia and Salmonella enterica have also been shown to be invasive in acute UTI. However, the role of intracellular infection in chronic UTI causing more subtle lower urinary tract symptoms (LUTS), a particular problem in the elderly population, is poorly understood. Moreover, the species of bacteria involved remains largely unknown. A previous study of a large cohort of non-acute LUTS patients found that Enterococcus faecalis was frequently found in urine specimens. E. faecalis accounts for a significant proportion of chronic bladder infections worldwide, although the invasive lifestyle of this uropathogen has yet to be reported. Here, we wanted to explore this question in more detail. We harvested urothelial cells shed in response to inflammation and, using advanced imaging techniques, inspected them for signs of bacterial pathology and invasion. We found strong evidence of intracellular E. faecalis harboured within urothelial cells shed from the bladder of LUTS patients. Furthermore, using a culture model system, these patient-isolated strains of E. faecalis were able to invade a transitional carcinoma cell line. In contrast, we found no evidence of cellular invasion by E. coli in the patient cells or the culture model system. Our data show that E. faecalis is highly competent to invade in this context; therefore, these results have implications for both the diagnosis and treatment of chronic LUTS.

Indexed as

AdultCells, CulturedChronic DiseaseEnterococcus faecalisHumansLondonMicroscopy, FluorescenceUrinary BladderUrinary Tract InfectionsUrothelium

Identifiers

PMID24363814
PMCPMC3868479
OpenAlexW2095854476

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.