Evidence map›Paper›PMID 15743468›Full record

ArticleArthritis research & therapy2005

Chemokine receptors in the rheumatoid synovium: upregulation of CXCR5.

Caroline Schmutz, Alison Hulme, Angela Burman, Mike Salmon, Brian Ashton, Christopher Buckley, Jim Middleton

Open access · goldAbstract read
In one paragraph

Article in Arthritis research & therapy, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
1.4field-weighted citation impact, top 20% 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

32 citing papers in PubMed, 62 citations in OpenAlex.

  1. Trial
  2. Cross-presentation of citrullinated antigens drives cytotoxic CD8bioRxiv : the preprint server for biology · 2026
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  17. Activation of GPR15 and its involvement in the biological effects of smoking.Experimental biology and medicine (Maywood, N.J.) · 2017
    Review
  18. G protein coupled receptors signaling pathways implicate in inflammatory and immune response of rheumatoid arthritis.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2017
    Review
  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

7 authors at 4 institutions in 1 country.

Caroline SchmutzLeopold Muller Arthritis Research Centre, Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, UK. Caroline.Schmutz@rjah.nhs.uk
Alison Hulme
Angela Burman
Mike Salmon
Brian Ashton
Christopher Buckley
Jim Middleton
Keele University · GBMedical Research Council · GBRobert Jones and Agnes Hunt Orthopaedic Hospital · GBUniversity of Birmingham · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In patients with rheumatoid arthritis (RA), chemokine and chemokine receptor interactions play a central role in the recruitment of leukocytes into inflamed joints. This study was undertaken to characterize the expression of chemokine receptors in the synovial tissue of RA and non-RA patients. RA synovia (n = 8) were obtained from knee joint replacement operations and control non-RA synovia (n = 9) were obtained from arthroscopic knee biopsies sampled from patients with recent meniscal or articular cartilage damage or degeneration. The mRNA expression of chemokine receptors and their ligands was determined using gene microarrays and PCR. The protein expression of these genes was demonstrated by single-label and double-label immunohistochemistry. Microarray analysis showed the mRNA for CXCR5 to be more abundant in RA than non-RA synovial tissue, and of the chemokine receptors studied CXCR5 showed the greatest upregulation. PCR experiments confirmed the differential expression of CXCR5. By immunohistochemistry we were able to detect CXCR5 in all RA and non-RA samples. In the RA samples the presence of CXCR5 was observed on B cells and T cells in the infiltrates but also on macrophages and endothelial cells. In the non-RA samples the presence of CXCR5 was limited to macrophages and endothelial cells. CXCR5 expression in synovial fluid macrophages and peripheral blood monocytes from RA patients was confirmed by PCR. The present study shows that CXCR5 is upregulated in RA synovial tissue and is expressed in a variety of cell types. This receptor may be involved in the recruitment and positioning of B cells, T cells and monocytes/macrophages in the RA synovium. More importantly, the increased level of CXCR5, a homeostatic chemokine receptor, in the RA synovium suggests that non-inflammatory receptor-ligand pairs might play an important role in the pathogenesis of RA.

Indexed as

AdultAgedAged, 80 and overAnimalsAntigens, CD20Arthritis, RheumatoidAutoimmune DiseasesCD3 ComplexEndothelium, VascularFemaleGene Expression ProfilingHumansKneeLymphocyte SubsetsMacrophagesMaleAntigens, CD20CD3 ComplexCXCR5 protein, humanCXCR5 protein, mouseReceptors, ChemokineReceptors, CXCR5Receptors, CytokineRNA, Messenger

Identifiers

PMID15743468
PMCPMC1065316
OpenAlexW1708766730

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.