Evidence map›Paper›PMID 29629904›Full record

ArticleThe Journal of clinical investigation2018

Group B streptococcus exploits vaginal epithelial exfoliation for ascending infection.

Jay Vornhagen, Blair Armistead, Verónica Santana-Ufret, Claire Gendrin, Sean Merillat, Michelle Coleman, Phoenicia Quach, Erica Boldenow, Varchita Alishetti, Christina Leonhard-Melief and 7 more

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of clinical investigation, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed, 1 pooled it
6.4field-weighted citation impact, top 3% 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

47 citing papers in PubMed, 1 synthesis or guideline pooled it, 68 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. mBio · 2026
    Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Biomolecules · 2024
    Article
  11. Engagement of αFrontiers in microbiology · 2024
    Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. A New Phenotype inmBio · 2023
    Article
  17. Article
  18. Review
  19. Article
  20. Infection and immunity · 2023
    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

17 authors at 4 institutions in 3 countries.

Jay VornhagenDepartment of Global Health, University of Washington, Seattle, Washington, USA.
Blair ArmisteadDepartment of Global Health, University of Washington, Seattle, Washington, USA.
Verónica Santana-UfretCenter for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, Washington, USA.
Claire GendrinCenter for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, Washington, USA.
Sean MerillatCenter for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, Washington, USA.
Michelle ColemanCenter for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, Washington, USA.
Phoenicia QuachCenter for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, Washington, USA.
Erica BoldenowCenter for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, Washington, USA.
Varchita AlishettiCenter for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, Washington, USA.
Christina Leonhard-MeliefMiltenyi Biotec Inc., San Diego, California, USA.
Lisa Y NgoCenter for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, Washington, USA.
Christopher WhidbeyDepartment of Global Health, University of Washington, Seattle, Washington, USA.
Kelly S DoranDepartment of Microbiology and Immunology, University of Colorado Denver, Aurora, Colorado, USA.
Chad CurtisDepartment of Chemical Engineering.
Kristina M Adams WaldorfDepartment of Global Health, University of Washington, Seattle, Washington, USA.
Elizabeth NanceDepartment of Chemical Engineering.
Lakshmi RajagopalDepartment of Global Health, University of Washington, Seattle, Washington, USA.
Infectious Disease Research Institute · USMiltenyi Biotec (Germany) · DEUniversity of Colorado Denver · USUniversity of Washington · US

Funding

Intellectual and Developmental Disabilities Research CenterU54HD083091 · NICHD · UNIVERSITY OF WASHINGTON · PI DOHERTY, DANIEL · 2014 to 2019
$7.9M
ACADEMIC PEDIATRIC INFECTIOUS DISEASET32HD007233 · NICHD · SEATTLE CHILDREN'S HOSPITAL · PI KEVIN B URDAHL · 1985 to 2026
$6.7M
Diseases of Public Health Importance Training GrantT32AI007509 · NIAID · UNIVERSITY OF WASHINGTON · PI LUND, JENNIFER M · 1997 to 2024
$6.3M
Role of the hyaluronidase in GBS VirulenceR01AI133976 · NIAID · SEATTLE CHILDREN'S HOSPITAL · PI ADAMS WALDORF, KRISTINA M., RAJAGOPAL, LAKSHMI · 2017 to 2021
$4.5M
GBS mediated in utero fetal injuryR01AI100989 · NIAID · SEATTLE CHILDREN'S HOSPITAL · PI ADAMS WALDORF, KRISTINA M., RAJAGOPAL, LAKSHMI · 2012 to 2016
$3.9M
Blood-brain barrier in bacterial meningitisR01NS051247 · NINDS · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI DORAN, KELLY S · 2006 to 2015
$3.2M
Role of an ornithine rhamnolipid pigment in GBS virulenceR01AI112619 · NIAID · SEATTLE CHILDREN'S HOSPITAL · PI RAJAGOPAL, LAKSHMI · 2014 to 2018
$2.4M
Environmental Signals that regulate GBS virulenceR21AI109222 · NIAID · SEATTLE CHILDREN'S HOSPITAL · PI RAJAGOPAL, LAKSHMI · 2014 to 2015
$553k
Role of human cervical mucus plugs in ascending GBS infectionR21AI125907 · NIAID · SEATTLE CHILDREN'S HOSPITAL · PI RAJAGOPAL, LAKSHMI · 2016 to 2017
$538k
NIAID NIH HHS R01 AI100989NIAID NIH HHS R01 AI112619NIAID NIH HHS R01 AI133976NIAID NIH HHS R21 AI109222NIAID NIH HHS R21 AI125907NIAID NIH HHS T32 AI007509NICHD NIH HHS T32 HD007233NICHD NIH HHS U54 HD083091NINDS NIH HHS R01 NS051247
6 · The paper itself

Abstract

Thirteen percent of pregnancies result in preterm birth or stillbirth, accounting for fifteen million preterm births and three and a half million deaths annually. A significant cause of these adverse pregnancy outcomes is in utero infection by vaginal microorganisms. To establish an in utero infection, vaginal microbes enter the uterus by ascending infection; however, the mechanisms by which this occurs are unknown. Using both in vitro and murine models of vaginal colonization and ascending infection, we demonstrate how a vaginal microbe, group B streptococcus (GBS), which is frequently associated with adverse pregnancy outcomes, uses vaginal exfoliation for ascending infection. GBS induces vaginal epithelial exfoliation by activation of integrin and β-catenin signaling. However, exfoliation did not diminish GBS vaginal colonization as reported for other vaginal microbes. Rather, vaginal exfoliation increased bacterial dissemination and ascending GBS infection, and abrogation of exfoliation reduced ascending infection and improved pregnancy outcomes. Thus, for some vaginal bacteria, exfoliation promotes ascending infection rather than preventing colonization. Our study provides insight into mechanisms of ascending infection by vaginal microbes.

Indexed as

AnimalsEpithelial CellsFemaleMiceMice, KnockoutStreptococcal InfectionsStreptococcus agalactiaeVaginaVaginosis, BacterialBacterial infectionsInfectious diseaseReproductive Biology

Identifiers

PMID29629904
PMCPMC5919824
OpenAlexW2795914935

What OpenQuestion holds

Textmetadata
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.