Evidence map›Paper›PMID 16299325›Full record

ArticleInfection and immunity2005

Noncapsulated Klebsiella pneumoniae bearing mannose-containing O antigens is rapidly eradicated from mouse lung and triggers cytokine production by macrophages following opsonization with surfactant protein D.

Elena Kostina, Itzhak Ofek, Erika Crouch, Rotem Friedman, Lea Sirota, Gil Klinger, Hany Sahly, Yona Keisari

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.4field-weighted citation impact, top 17% 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

16 citing papers in PubMed, 30 citations in OpenAlex.

  1. Connections betweenInfection and immunity · 2026
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  8. Coinfection With Influenza A Virus andFrontiers in immunology · 2018
    Article
  9. C-type lectin receptors in tuberculosis: what we know.Medical microbiology and immunology · 2016
    Review
  10. Klebsiella pneumoniae: Going on the Offense with a Strong Defense.Microbiology and molecular biology reviews : MMBR · 2016
    Review
  11. Article
  12. Pulmonary surfactant: an immunological perspective.Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology · 2010
    Review
  13. Article
  14. Article
  15. Article
  16. 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

8 authors at 4 institutions in 3 countries.

Elena KostinaDepartment of Human Microbiology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel.
Itzhak Ofek
Erika Crouch
Rotem Friedman
Lea Sirota
Gil Klinger
Hany Sahly
Yona Keisari
Tel Aviv University · ILSchneider Children's Medical Center · ILClinical Research Center Kiel · DEWashington University in St. Louis · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To better understand the relationship between the surface polysaccharides of pulmonary pathogens and components of the lung innate immune system, we employed selected serotypes of Klebsiella pneumoniae expressing distinct capsular polysaccharides and/or O antigen in a murine model of K. pneumoniae infection. In addition, we examined the effect of surfactant protein D (SP-D) on the cytokine response of human monocyte-derived macrophages to these serotypes in vitro. Noncapsulated mannose-containing O3 serotypes (K50/n and K55/n), which react efficiently with SP-D in vitro, triggered high levels of interleukin-1beta (IL-1beta) and IL-6 production. In vivo, they were more efficiently cleared from the lungs of mice but not from macrophage-depleted mice. They also were more efficiently internalized by alveolar macrophages in vivo. In contrast, galactose-containing O1 serotypes (K2/n and K21a/n), which interact poorly with SP-D, exhibited significantly lower cytokine production and less efficient pulmonary clearance and were ineffectively internalized by alveolar macrophages. These findings are consistent with in vitro results showing that production of IL-1beta and IL-6 mRNA and IL-6 protein by human macrophages exposed to mannose-bearing Klebsiella O serotypes is significantly increased by SP-D. Thus, survival of inhaled bacteria in the lung depends partially on the lipopolysaccharide structure of the bacteria and their interactions with innate immunity components. We speculate that an imbalance of host SP-D and therefore cytokine levels may result in high susceptibility of the host to the pathogen.

Indexed as

AnimalsBacterial CapsulesCytokinesImmunity, InnateInterleukin-1Interleukin-6Klebsiella InfectionsKlebsiella pneumoniaeLungMacrophagesMaleMannoseMiceMice, Inbred BALB CO AntigensOpsonin ProteinsCytokinesInterleukin-1Interleukin-6MannoseO AntigensOpsonin ProteinsPulmonary Surfactant-Associated Protein DRNA, Messenger

Identifiers

PMID16299325
PMCPMC1307026
OpenAlexW2095941589

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.