Evidence map›Paper›PMID 17521421›Full record

ArticleArthritis research & therapy2007

High synovial expression of the inhibitory FcgammaRIIb in rheumatoid arthritis.

Sofia E Magnusson, Marianne Engström, Uwe Jacob, Ann-Kristin Ulfgren, Sandra Kleinau

Open access · goldAbstract read
In one paragraph

Article in Arthritis research & therapy, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 1 pooled it
3.2field-weighted citation impact, top 9% 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

25 citing papers in PubMed, 1 synthesis or guideline pooled it, 44 citations in OpenAlex.

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  8. Neuronal FcγRI mediates acute and chronic joint pain.The Journal of clinical investigation · 2019
    Article
  9. Overexpression of CD64 on CD14Experimental and therapeutic medicine · 2018
    Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Sofia E MagnussonDepartment of Cell and Molecular Biology, Programme for Molecular Immunology, Uppsala University, Husargatan 3, Uppsala, 751 24, Sweden.
Marianne Engström
Uwe Jacob
Ann-Kristin Ulfgren
Sandra Kleinau
Karolinska University Hospital · SEUppsala University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Activating Fc gamma receptors (FcgammaRs) have been identified as having important roles in the inflammatory joint reaction in rheumatoid arthritis (RA) and murine models of arthritis. However, the role of the inhibitory FcgammaRIIb in the regulation of the synovial inflammation in RA is less known. Here we have investigated synovial tissue from RA patients using a novel monoclonal antibody (GB3) specific for the FcgammaRIIb isoform. FcgammaRIIb was abundantly expressed in synovia of RA patients, in sharp contrast to the absence or weak staining of FcgammaRIIb in synovial biopsies from healthy volunteers. In addition, the expression of FcgammaRI, FcgammaRII and FcgammaRIII was analyzed in synovia obtained from early and late stages of RA. Compared with healthy synovia, which expressed FcgammaRII, FcgammaRIII but not FcgammaRI, all activating FcgammaRs were expressed and significantly up-regulated in RA, regardless of disease duration. Macrophages were one of the major cell types in the RA synovium expressing FcgammaRIIb and the activating FcgammaRs. Anti-inflammatory treatment with glucocorticoids reduced FcgammaR expression in arthritic joints, particularly that of FcgammaRI. This study demonstrates for the first time that RA patients do not fail to up-regulate FcgammaRIIb upon synovial inflammation, but suggests that the balance between expression of the inhibitory FcgammaRIIb and activating FcgammaRs may be in favour of the latter throughout the disease course. Anti-inflammatory drugs that target activating FcgammaRs may represent valuable therapeutics in this disease.

Indexed as

AdultAgedAged, 80 and overAntibodies, MonoclonalAntibody SpecificityArthritis, RheumatoidEnzyme-Linked Immunosorbent AssayFemaleFluorescent Antibody TechniqueGlucocorticoidsHumansImmunohistochemistryMacrophagesMaleMiddle AgedReceptors, IgGAntibodies, MonoclonalFCGR1A protein, humanFCGR2B protein, humanFCGR3A protein, humanGlucocorticoidsReceptors, IgG

Identifiers

PMID17521421
PMCPMC2206344
OpenAlexW2086968511

What OpenQuestion holds

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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.