Evidence map›Paper›PMID 25889670›Full record

ArticleArthritis research & therapy2015

Kinetics of gene expression and bone remodelling in the clinical phase of collagen-induced arthritis.

Katja C M Denninger, Thomas Litman, Troels Marstrand, Kristian Moller, Lars Svensson, Tord Labuda, Åsa Andersson

Open access · goldAbstract read
In one paragraph

Article in Arthritis research & therapy, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.5field-weighted citation impact, top 18% 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

17 citing papers in PubMed, 29 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 2 countries.

Katja C M DenningerDepartment of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen, Ø DK-2100, Denmark. katjadenninger@gmail.com.
Thomas LitmanDisease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark. thomas.litman@leo-pharma.com.
Troels MarstrandDisease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark. troels.marstrand@leo-pharma.com.
Kristian MollerDisease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark. kristian.moller@leo-pharma.com.
Lars SvenssonDisease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark. lars.svensson@leo-pharma.com.
Tord LabudaDisease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark. tord.labuda@leo-pharma.com.
Åsa AnderssonDepartment of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen, Ø DK-2100, Denmark. asa.andersson@sund.ku.dk.
Leo Pharma (Australia) · AUUniversity of Copenhagen · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionPathological bone changes differ considerably between inflammatory arthritic diseases and most studies have focused on bone erosion. Collagen-induced arthritis (CIA) is a model for rheumatoid arthritis, which, in addition to bone erosion, demonstrates bone formation at the time of clinical manifestations. The objective of this study was to use this model to characterise the histological and molecular changes in bone remodelling, and relate these to the clinical disease development.

methodsA histological and gene expression profiling time-course study on bone remodelling in CIA was linked to onset of clinical symptoms. Global gene expression was studied with a gene chip array system.

resultsThe main histopathological changes in bone structure and inflammation occurred during the first two weeks following the onset of clinical symptoms in the joint. Hereafter, the inflammation declined and remodelling of formed bone dominated. Global gene expression profiling showed simultaneous upregulation of genes related to bone changes and inflammation in week 0 to 2 after onset of clinical disease. Furthermore, we observed time-dependent expression of genes involved in early and late osteoblast differentiation and function, which mirrored the histopathological bone changes. The differentially expressed genes belong to the bone morphogenetic pathway (BMP) and, in addition, include the osteoblast markers integrin-binding sialoprotein (Ibsp), bone gamma-carboxyglutamate protein (Bglap1), and secreted phosphoprotein 1 (Spp1). Pregnancy-associated protein A (Pappa) and periostin (Postn), differentially expressed in the early disease phase, are proposed to participate in bone formation, and we suggest that they play a role in early bone formation in the CIA model. Comparison to human genome-wide association studies (GWAS) revealed differential expression of several genes associated with human arthritis.

conclusionsIn the CIA model, bone formation in the joint starts shortly after onset of clinical symptoms, which results in bony fusion within one to two weeks. This makes it a candidate model for investigating the relationship between inflammation and bone formation in inflammatory arthritis.

Indexed as

Bone RemodelingGene Expression RegulationAnimalsArthritis, ExperimentalBone Morphogenetic ProteinsCell DifferentiationCollagenGene Expression ProfilingMaleMice, Inbred DBAPolymerase Chain ReactionRNABone Morphogenetic ProteinsCollagenRNA

Identifiers

PMID25889670
PMCPMC4391727
OpenAlexW1977128211

What OpenQuestion holds

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LicenceCC BY
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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.