Evidence map›Paper›PMID 15972472›Full record

ArticleInfection and immunity2005

Listeriolysin O-induced membrane permeation mediates persistent interleukin-6 production in Caco-2 cells during Listeria monocytogenes infection in vitro.

Kohsuke Tsuchiya, Ikuo Kawamura, Akira Takahashi, Takamasa Nomura, Chikara Kohda, Masao Mitsuyama

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 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
2.2field-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

27 citing papers in PubMed, 46 citations in OpenAlex.

  1. Trial
  2. Review
  3. Article
  4. Article
  5. Insights fromMicroorganisms · 2021
    Article
  6. Review
  7. Review
  8. Article
  9. Innate and Adaptive Immune Responses duringMicrobiology spectrum · 2019
    Article
  10. Article
  11. Listeriolysin O: from bazooka to Swiss army knife.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017
    Review
  12. Article
  13. Review
  14. Article
  15. Review
  16. Role of pore-forming toxins in bacterial infectious diseases.Microbiology and molecular biology reviews : MMBR · 2013
    Review
  17. Article
  18. Article
  19. Article
  20. 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

6 authors at 3 institutions in 1 country.

Kohsuke TsuchiyaDepartment of Microbiology, Kyoto University Graduate School of Medicine, Yoshida konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan.
Ikuo Kawamura
Akira Takahashi
Takamasa Nomura
Chikara Kohda
Masao Mitsuyama
Kyoto University · JPShowa University · JPTokushima University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Listeriolysin O (LLO), a major virulence factor of Listeria monocytogenes, is a member of the cholesterol-dependent cytolysin family and plays important roles not only in survival of this bacterium in phagocytes but also in induction of various cellular responses, including cytokine production. In this work, we examined the involvement of LLO in induction of the cytokine response in intestinal epithelial cells, the front line of host defense against food-borne listeriosis. Infection of Caco-2 cells with wild-type L. monocytogenes induced persistent expression of interleukin-6 (IL-6) mRNA. In contrast, IL-6 expression was observed only transiently during infection with non-LLO-producing strains. A sublytic dose of recombinant LLO (rLLO) induced the expression of IL-6 via formation of membrane pores. Under conditions of LLO-induced pore formation without extensive cell lysis, Ca2+ influx was observed, and the IL-6 expression induced by rLLO was inhibited by pretreatment with 1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid tetrakis(acetoxymethyl ester) (BAPTA-AM), an intracellular Ca2+ chelator. LLO secreted by cytoplasmic L. monocytogenes appeared to induce pore formation in the membrane and to enable the trafficking of intracellular and extracellular molecules. Pretreatment with BAPTA-AM inhibited persistent IL-6 expression in Caco-2 cells infected with wild-type L. monocytogenes. These results suggest that LLO is involved in IL-6 production in the late phase of infection through the formation of Ca2+-permeable pores and subsequent Ca2+-dependent modulation of signaling and gene expression.

Indexed as

Cell Membrane PermeabilityBacterial ToxinsCaco-2 CellsCalciumCytoplasmHeat-Shock ProteinsHemolysin ProteinsHumansInterleukin-6Listeria monocytogenesMembrane GlycoproteinsReceptors, Cell SurfaceToll-Like ReceptorsBacterial ToxinsCalciumHeat-Shock ProteinsHemolysin ProteinshlyA protein, Listeria monocytogenesInterleukin-6Membrane GlycoproteinsReceptors, Cell SurfaceToll-Like Receptors

Identifiers

PMID15972472
PMCPMC1168588
OpenAlexW2156283208

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.