Evidence map›Paper›PMID 18412942›Full record

ArticleArthritis research & therapy2008

Analysis of bacterial DNA in synovial tissue of Tunisian patients with reactive and undifferentiated arthritis by broad-range PCR, cloning and sequencing.

Mariam Siala, Benoit Jaulhac, Radhouane Gdoura, Jean Sibilia, Hela Fourati, Mohamed Younes, Sofien Baklouti, Naceur Bargaoui, Slaheddine Sellami, Abir Znazen and 4 more

Open access · goldAbstract read
In one paragraph

Article in Arthritis research & therapy, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
3.6field-weighted citation impact, top 7% 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

19 citing papers in PubMed, 1 synthesis or guideline pooled it, 49 citations in OpenAlex.

  1. Guideline
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  3. The first case of urosepsis caused byFuture microbiology · 2024
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  6. Uveitis in spondyloarthritis.Therapeutic advances in musculoskeletal disease · 2020
    Review
  7. Article
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  9. Article
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  11. JMM case reports · 2017
    Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. A broad-range PCR technique for the diagnosis of infective endocarditis.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]
    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

14 authors at 4 institutions in 2 countries.

Mariam SialaLaboratoire de Recherche 'Micro-organismes et Pathologie Humaine', EPS Habib Bourguiba, Rue El Ferdaous, 3029 Sfax, Tunisie. mariamsiela@voila.fr
Benoit Jaulhac
Radhouane Gdoura
Jean Sibilia
Hela Fourati
Mohamed Younes
Sofien Baklouti
Naceur Bargaoui
Slaheddine Sellami
Abir Znazen
Cathy Barthel
Elody Collin
Adnane Hammami
Abdelghani Sghir
Hopital Universitaire Hedi Chaker · TNHospital Fatuma Bourguiba Monastir · TNGenoscope · FRHôpital La Rabta · TN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionBacteria and/or their antigens have been implicated in the pathogenesis of reactive arthritis (ReA). Several studies have reported the presence of bacterial antigens and nucleic acids of bacteria other than those specified by diagnostic criteria for ReA in joint specimens from patients with ReA and various arthritides. The present study was conducted to detect any bacterial DNA and identify bacterial species that are present in the synovial tissue of Tunisian patients with reactive arthritis and undifferentiated arthritis (UA) using PCR, cloning and sequencing.

methodsWe examined synovial tissue samples from 28 patients: six patients with ReA and nine with UA, and a control group consisting of seven patients with rheumatoid arthritis and six with osteoarthritis (OA). Using broad-range bacterial PCR producing a 1,400-base-pair fragment from the 16S rRNA gene, at least 24 clones were sequenced for each synovial tissue sample. To identify the corresponding bacteria, DNA sequences were compared with sequences from the EMBL (European Molecular Biology Laboratory) database.

resultsBacterial DNA was detected in 75% of the 28 synovial tissue samples. DNA from 68 various bacterial species were found in ReA and UA samples, whereas DNA from 12 bacteria were detected in control group samples. Most of the bacterial DNAs detected were from skin or intestinal bacteria. DNA from bacteria known to trigger ReA, such as Shigella flexneri and Shigella sonnei, were detected in ReA and UA samples of synovial tissue and not in control samples. DNA from various bacterial species detected in this study have not previously been found in synovial samples.

conclusionThis study is the first to use broad-range PCR targeting the full 16S rRNA gene for detection of bacterial DNA in synovial tissue. We detected DNA from a wide spectrum of bacterial species, including those known to be involved in ReA and others not previously associated with ReA or related arthritis. The pathogenic significance of some of these intrasynovial bacterial DNAs remains unclear.

Indexed as

AdultArthritis, ReactiveCloning, MolecularDNA, BacterialFemaleHumansMaleMiddle AgedPolymerase Chain ReactionProhibitinsRNA, Ribosomal, 16SSexually Transmitted Diseases, BacterialSynovial MembraneTunisiaDNA, BacterialPHB2 protein, humanProhibitinsRNA, Ribosomal, 16S

Identifiers

PMID18412942
PMCPMC2453759
OpenAlexW2111085403

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Registered trials

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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.