Evidence map›Paper›PMID 14500523›Full record

ArticleInfection and immunity2003

Streptococcus pyogenes infection induces septic arthritis with increased production of the receptor activator of the NF-kappaB ligand.

Atsuo Sakurai, Nobuo Okahashi, Ichiro Nakagawa, Shigetada Kawabata, Atsuo Amano, Takashi Ooshima, 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 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
2.4field-weighted citation impact, top 11% 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, 41 citations in OpenAlex.

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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 2 institutions in 1 country.

Atsuo SakuraiDepartment of Oral and Molecular Microbiology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita-Osaka 565-0871, Japan.
Nobuo Okahashi
Ichiro Nakagawa
Shigetada Kawabata
Atsuo Amano
Takashi Ooshima
Shigeyuki Hamada
Osaka University · JPJapan Science and Technology Agency · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bacterial arthritis is a rapidly progressive and highly destructive joint disease in humans, with Staphylococcus aureus and Neisseria gonorrhoeae the major causative agents, although beta-hemolytic streptococci as well often induce the disease. We demonstrate here that intravenous inoculation of CD-1 mice with the group A streptococcus (GAS) species Streptococcus pyogenes resulted in a high incidence of septic arthritis. Signs of arthritis emerged within the first few days after injection, and bacterial examinations revealed that colonization of the inoculated GAS in the arthritic joints persisted for 21 days. Induction of persistent septic arthritis was dependent on the number of microorganisms inoculated. Immunohistochemical staining of GAS with anti-GAS antibodies revealed colonization in the joints of infected mice. Cytokine levels were quantified in the joints and sera of infected mice by using an enzyme-linked immunosorbent assay. High levels of interleukin-1beta (IL-1beta) and IL-6 were detected in the joints from 3 to 20 days after infection. We noted that an increase in the amount of receptor activator of NF-kappaB ligand (RANKL), which is a key cytokine in osteoclastogenesis, was also evident in the joints of the infected mice. RANKL was not detected in sera, indicating local production of RANKL in the infected joints. Blocking of RANKL by osteoprotegerin, a decoy receptor of RANKL, prevented bone destruction in the infected joints. These results suggest that GAS can colonize in the joints and induce bacterial arthritis. Local RANKL production in the infected joints may be involved in bone destruction.

Indexed as

AnimalsArthritis, InfectiousBone ResorptionCarrier ProteinsColony Count, MicrobialDisease Models, AnimalFemaleGlycoproteinsHumansInterleukin-1Interleukin-6Membrane GlycoproteinsMiceOsteoprotegerinRANK LigandReceptor Activator of Nuclear Factor-kappa BCarrier ProteinsGlycoproteinsInterleukin-1Interleukin-6Membrane GlycoproteinsOsteoprotegerinRANK LigandReceptor Activator of Nuclear Factor-kappa BReceptors, Cytoplasmic and NuclearReceptors, Tumor Necrosis FactorTNFRSF11A protein, humanTnfrsf11a protein, mouseTNFRSF11B protein, humanTnfrsf11b protein, mouseTNFSF11 protein, humanTnfsf11 protein, mouse

Identifiers

PMID14500523
PMCPMC201078
OpenAlexW2132317912

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.