Evidence map›Paper›PMID 20100316›Full record

ArticleBMC musculoskeletal disorders2010

Increased expression of collagens, transforming growth factor-beta1, and -beta3 in gluteal muscle contracture.

Chen-Guang Zhao, Xi-Jing He, Bin Lu, Hao-Peng Li, An-Jing Kang

Open access · goldAbstract read
In one paragraph

Article in BMC musculoskeletal disorders, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
0.6field-weighted citation impact, top 30% 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, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.

  1. Gluteal Fibrosis and Its Surgical Treatment.The Journal of bone and joint surgery. American volume · 2019
    Pooled it
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  11. Positive Association betweenAnalytical cellular pathology (Amsterdam) · 2018
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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

5 authors at 3 institutions in 1 country.

Chen-Guang ZhaoDepartment of Orthopedic Surgery, The 2nd Affiliated Hospital of Medical College, Xi'an JiaoTong University, Xi'an, Shaanxi, PR China.
Xi-Jing He
Bin Lu
Hao-Peng Li
An-Jing Kang
Xi'an Jiaotong University · CNFirst Affiliated Hospital of Xi'an Jiaotong University · CNJiangSu Armed Police General Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundGluteal muscle contracture (GMC) is a multi-factor human chronic fibrotic disease of the gluteal muscle. Fibrotic tissue is characterized by excessive accumulation of collagen in the muscle's extracellular matrix. Transforming growth factor (TGF)-beta1 and -beta2 are thought to play an important role in fibrogenesis, while TGF-beta3 is believed to have an anti-fibrotic function. We hypothesize that the expression of collagen and TGF-betas would be up-regulated in GMC patients.

methodsThe expression of collagen type I, type III and TGF-betas were studied in 23 fibrotic samples and 23 normal/control samples in GMC patients using immunohistochemistry, reverse transcription and polymerase chain reaction (RT-PCR) and western bolt analysis.

resultsCompared to the unaffected adjacent muscle, increased expression of TGF-beta1 and -beta3 was associated with deposition of collagen type I and type III in the fibrotic muscle of the GMC patients at the mRNA level. Strong up-regulation of these proteins in fibrotic muscle was confirmed by immunohistochemical staining and western blot analysis. TGF-beta2 was not up-regulated in relation to GMC.

conclusionThis study confirmed our hypothesis that collagen types I, III, TGF-beta1 and TGF-beta3 were up-regulated in biopsy specimens obtained from patients with GMC. Complex interaction of TGF-beta1 with profibrotic function and TGF-beta3 with antifibrotic function may increase synthesis of collagens and thereby significantly contribute to the process of gluteal muscle scarring in patients with GMC.

Indexed as

AdolescentAdultBiomarkersButtocksChildCollagenCollagen Type ICollagen Type IIIContractureFemaleFibrosisGenetic Predisposition to DiseaseHumansMaleMuscle, SkeletalRNA, MessengerBiomarkersCollagenCollagen Type ICollagen Type IIIRNA, MessengerTransforming Growth Factor betaTransforming Growth Factor beta1Transforming Growth Factor beta3

Identifiers

PMID20100316
PMCPMC2828420
OpenAlexW2054426462

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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.