Evidence map›Paper›PMID 12540577›Full record

ArticleInfection and immunity2003

Infection by Streptococcus pyogenes induces the receptor activator of NF-kappaB ligand expression in mouse osteoblastic cells.

Nobuo Okahashi, Atsuo Sakurai, Ichiro Nakagawa, Taku Fujiwara, Shigetada Kawabata, Atsuo Amano, Shigeyuki Hamada

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
3.4field-weighted citation impact, top 8% 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

11 citing papers in PubMed, 34 citations in OpenAlex.

  1. Article
  2. Streptococcal peptides and their roles in host-microbe interactions.Frontiers in cellular and infection microbiology · 2023
    Review
  3. Article
  4. Bacterial toxins in musculoskeletal infections.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2021
    Review
  5. Article
  6. Article
  7. Microbial Infection and Rheumatoid Arthritis.Journal of clinical & cellular immunology · 2013
    Article
  8. Article
  9. Article
  10. Article
  11. 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

7 authors at 3 institutions in 3 countries.

Nobuo OkahashiDepartment of Oral and Molecular Microbiology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Japan. okahashi@dent.osaka-u.ac.jp
Atsuo Sakurai
Ichiro Nakagawa
Taku Fujiwara
Shigetada Kawabata
Atsuo Amano
Shigeyuki Hamada
Adult and Pediatric Dermatology · USOsaka University · JPJapan Science and Technology Agency · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Group A Streptococcus pyogenes is known to induce nongonococcal septic arthritis in addition to pharyngitis, scarlet fever, and poststreptococcal sequelae. However, little is known about the interaction between S. pyogenes and bone cells. We report here that S. pyogenes strain JRS4 (M6) attached to and invaded mouse primary osteoblasts. Reverse transcription-PCR demonstrated that S. pyogenes infection of osteoblasts stimulated expression of mRNA for the receptor activator of NF-kappaB ligand (RANKL). Western blot analysis followed by ligand precipitation with the receptor activator of NF-kappaB receptor showed that there was an increase in RANKL protein in infected osteoblasts. Production of interleukin-6 was also stimulated, but no production of interleukin-1beta or tumor necrosis factor alpha was observed. Stimulation of RANKL production was not observed in osteoblasts stimulated with heat-inactivated S. pyogenes, suggesting that an active interaction of S. pyogenes with osteoblasts is essential for this phenomenon. A Western blot analysis performed with antibodies specific for phosphorylated signal transduction proteins demonstrated that S. pyogenes infection induces phosphorylation of p38 mitogen-activated protein kinase. A specific inhibitor of this kinase, SB203580, inhibited RANKL production by infected osteoblasts. These results suggest that infection of osteoblasts by S. pyogenes stimulates RANKL production and may trigger bone destruction in infected bone tissue.

Indexed as

Up-RegulationAnimalsBacterial AdhesionCarrier ProteinsCells, CulturedCytokinesFemaleHumansMembrane GlycoproteinsMiceMitogen-Activated Protein KinasesOsteoblastsp38 Mitogen-Activated Protein KinasesRANK LigandReceptor Activator of Nuclear Factor-kappa BReverse Transcriptase Polymerase Chain ReactionCarrier ProteinsCytokinesMembrane GlycoproteinsMitogen-Activated Protein Kinasesp38 Mitogen-Activated Protein KinasesRANK LigandReceptor Activator of Nuclear Factor-kappa BRNA, MessengerTNFRSF11A protein, humanTnfrsf11a protein, mouseTNFSF11 protein, humanTnfsf11 protein, mouse

Identifiers

PMID12540577
PMCPMC145386
OpenAlexW2147707546

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.