Evidence map›Paper›PMID 21905019›Full record

ArticleArthritis and rheumatism2012

Large candidate gene association study reveals genetic risk factors and therapeutic targets for fibromyalgia.

Shad B Smith, Dylan W Maixner, Roger B Fillingim, Gary Slade, Richard H Gracely, Kirsten Ambrose, Dmitri V Zaykin, Craig Hyde, Sally John, Keith Tan and 2 more

Registry-linked trialAbstract read
In one paragraph

Article in Arthritis and rheumatism, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07388199 (Effects of a Foot Core Training Program on Foot Pain, Function, and Pressure Pain Sensitivity in Patients With Fibromyalgia), which is not on this map. Cited by 54 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed, 2 pooled it
4.5field-weighted citation impact, top 5% 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.

NCT07388199 nacompletednot on this mapstarted 2025, after this paper: background citation

Effects of a Foot Core Training Program on Foot Pain, Function, and Pressure Pain Sensitivity in Patients With Fibromyalgia: A Quasi-Experimental Study.

TypeinterventionalSponsorUniversity of ValenciaRan2025 to 2026Enrolled27ConditionsFibromyalgia, Foot CoreArmsFoot Core
3 · Its place in the literature

Who cites it

54 citing papers in PubMed, 2 syntheses or guidelines pooled it, 104 citations in OpenAlex.

  1. Pooled it
  2. Guideline
  3. Trial
  4. Trial
  5. Trial
  6. Review
  7. Article
  8. Review
  9. Review
  10. Review
  11. Role of the Endocannabinoid System in Fibromyalgia.Current issues in molecular biology · 2025
    Review
  12. Review
  13. Review
  14. Review
  15. Review
  16. Review
  17. Fibromyalgia Pathophysiology.Biomedicines · 2022
    Review
  18. Article
  19. Review
  20. Review
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

12 authors at 5 institutions in 2 countries.

Shad B SmithAlgynomics, Chapel Hill, North Carolina 27514, USA.
Dylan W Maixner
Roger B Fillingim
Gary Slade
Richard H Gracely
Kirsten Ambrose
Dmitri V Zaykin
Craig Hyde
Sally John
Keith Tan
William Maixner
Luda Diatchenko
University of North Carolina at Chapel Hill · USPfizer (United States) · USNational Institute of Environmental Health Sciences · USPfizer (United Kingdom) · GBUniversity of Florida · US

Funding

Risk Factors for Onset and Persistence of TMDU01DE017018 · NIDCR · UNIV OF NORTH CAROLINA CHAPEL HILL · PI DIATCHENKO, LUDA, FILLINGIM, ROGER B · 2005 to 2016
$35.9M
University of Florida Older Americans Independence Center (OAIC)P30AG028740 · NIA · UNIVERSITY OF FLORIDA · PI CHRISTIAAN LEEUWENBURGH · 2007 to 2026
$22.8M
UF Clinical and Translational Science AwardUL1TR000064 · NCATS · UNIVERSITY OF FLORIDA · PI NELSON, DAVID R · 2012 to 2014
$12.2M
Statistical, population genetics and genetic epidemiologyZIAES101866 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI ZAYKIN, DMITRI V · 2009 to 2021
$5.8M
COMT &betaAR Polymorphism &Development of Painful TMDR01DE016558 · NIDCR · UNIV OF NORTH CAROLINA CHAPEL HILL · PI DIATCHENKO, LUDA · 2005 to 2009
$1.7M
Intramural NIH HHSNCATS NIH HHS UL1 TR000064NIA NIH HHS P30 AG028740NIDCR NIH HHS R01 DE016558NIDCR NIH HHS R01-DE-16558NIDCR NIH HHS U01 DE017018
6 · The paper itself

Abstract

objectiveFibromyalgia (FM) represents a complex disorder that is characterized by widespread pain and tenderness and is frequently accompanied by additional somatic and cognitive/affective symptoms. Genetic risk factors are known to contribute to the etiology of the syndrome. The aim of this study was to examine >350 genes for association with FM, using a large-scale candidate gene approach.

methodsThe study group comprised 496 patients with FM (cases) and 348 individuals with no chronic pain (controls). Genotyping was performed using a dedicated gene array chip, the Pain Research Panel, which assays variants characterizing >350 genes known to be involved in the biologic pathways relevant to nociception, inflammation, and mood. Association testing was performed using logistic regression.

resultsSignificant differences in allele frequencies between cases and controls were observed for 3 genes: GABRB3 (rs4906902; P = 3.65 × 10(-6)), TAAR1 (rs8192619; P = 1.11 × 10(-5)), and GBP1 (rs7911; P = 1.06 × 10(-4)). These 3 genes and 7 other genes with suggestive evidence for association were examined in a second, independent cohort of patients with FM and control subjects who were genotyped using the Perlegen 600K platform. Evidence of association in the replication cohort was observed for TAAR1, RGS4, CNR1, and GRIA4.

conclusionVariation in these 4 replicated genes may serve as a basis for development of new diagnostic approaches, and the products of these genes may contribute to the pathophysiology of FM and represent potential targets for therapeutic action.

Indexed as

Genetic Predisposition to DiseasePolymorphism, Single NucleotideAdultAgedAllelesCase-Control StudiesFemaleFibromyalgiaGene FrequencyGenetic Association StudiesGenotypeGTP-Binding ProteinsHumansMiddle AgedReceptors, GABA-BReceptors, G-Protein-CoupledGBP1 protein, humanGTP-Binding ProteinsReceptors, GABA-BReceptors, G-Protein-CoupledTrace Amine-Associated Receptors

Identifiers

PMID21905019
PMCPMC3237946
OpenAlexW2122756645

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

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.