Evidence map›Paper›PMID 27737696›Full record

ArticleJournal of neuroinflammation2016

IL-10 plays an important role in the control of inflammation but not in the bacterial burden in S. epidermidis CNS catheter infection.

Yenis M Gutierrez-Murgas, Gwenn Skar, Danielle Ramirez, Matthew Beaver, Jessica N Snowden

Open access · goldAbstract read
In one paragraph

Article in Journal of neuroinflammation, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.0field-weighted citation impact, top 15% 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

18 citing papers in PubMed, 38 citations in OpenAlex.

  1. Trial
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  6. C1q is elevated during chronicFrontiers in immunology · 2024
    Article
  7. Article
  8. Review
  9. Article
  10. Review
  11. Review
  12. Cytokine Levels in thePolish journal of microbiology · 2019
    Article
  13. Article
  14. Article
  15. Unexpected eosinophilia in children affected by hydrocephalus accompanied with shunt infection.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2018
    Article
  16. Review
  17. Pathogenic Mechanisms and Host Interactions inFrontiers in microbiology · 2017
    Review
  18. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Yenis M Gutierrez-MurgasPathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
Gwenn SkarDepartment of Pediatrics, 985900 Nebraska Medical Center, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA.
Danielle RamirezPediatric Residency Program, Baylor College of Medicine, San Antonio, TX, 78207, USA.
Matthew BeaverDepartment of Pediatrics, 985900 Nebraska Medical Center, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA.
Jessica N SnowdenDepartment of Pediatrics, 985900 Nebraska Medical Center, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA. jsnowden@unmc.edu.
University of Nebraska Medical Center · USBaylor College of Medicine · US

Funding

Attenuated inflammation in S. epidermidis CNS infection is protective in infantsR01NS092732 · NINDS · UNIV OF ARKANSAS FOR MED SCIS · PI SNOWDEN, JESSICA · 2016 to 2020
$1.6M
Characterization of a novel murine model of central nervous system catheter infecK08NS069812 · NINDS · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI SNOWDEN, JESSICA · 2010 to 2014
$850k
NINDS NIH HHS K08 NS069812NINDS NIH HHS R01 NS092732
6 · The paper itself

Abstract

backgroundShunt infection is a frequent and serious complication in the surgical treatment in hydrocephalus. Previous studies have shown an attenuated immune response to these biofilm-mediated infections. We proposed that IL-10 reduces the inflammatory response to Staphylococcus epidermidis (S. epidermidis) CNS catheter infection.

methodsIn this study, a murine model of catheter-associated S. epidermidis biofilm infection in the CNS was generated based on a well-established similar model for S. aureus. The catheters were pre-coated with a clinically derived biofilm-forming strain of S. epidermidis (strain 1457) which were then stereotactically implanted into the lateral left ventricle of 8-week-old C57BL/6 and IL-10 knockout (IL-10 knockout) mice. Bacterial titers as well as cytokine and chemokine levels were measured at days 3, 5, 7, and 10 in mice implanted with sterile and S. epidermidis-coated catheters.

resultsCultures demonstrated a catheter-associated and parenchymal infection that persisted through 10 days following infection. Cytokine analysis of the tissue surrounding the catheters revealed greater levels of IL-10, an anti-inflammatory cytokine, in the infected group compared to the sterile. In IL-10 KO mice, we noted no change in bacterial burdens, showing that IL-10 is not needed to control the infection in a CNS catheter infection model. However, IL-10 KO mice had increased levels of pro-inflammatory mediators in the tissues immediately adjacent to the infected catheter, as well as an increase in weight loss.

conclusionsTogether our results indicate that IL-10 plays a key role in regulating the inflammatory response to CNS catheter infection but not in control of bacterial burdens. Therefore, IL-10 may be a useful therapeutic target for immune modulation in CNS catheter infection but this should be used in conjunction with antibiotic therapy for bacterial eradication.

Indexed as

Equipment ContaminationAnimalsBiofilmsBrainCatheters, IndwellingInflammationInterleukin-10MaleMiceMice, Inbred C57BLMice, KnockoutStaphylococcal InfectionsStaphylococcus epidermidisIL10 protein, mouseInterleukin-10BiofilmCatheterCentral nervous systemChemokinesCytokinesIL-10S. epidermidisShunt

Identifiers

PMID27737696
PMCPMC5064787
OpenAlexW2530485430

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.