Volume 60, Issue 6 pp. 1710-1721
Osteoarthritits

Large-scale analysis of association between GDF5 and FRZB variants and osteoarthritis of the hip, knee, and hand

Evangelos Evangelou

Evangelos Evangelou

University of Ioannina School of Medicine, Ioannina, Greece

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Kay Chapman

Kay Chapman

University of Oxford, Oxford, UK

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Ingrid Meulenbelt

Ingrid Meulenbelt

Leiden University Medical Center, Leiden, The Netherlands

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Fotini B. Karassa

Fotini B. Karassa

University of Ioannina School of Medicine, Ioannina, Greece

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John Loughlin

John Loughlin

Newcastle University, Newcastle upon Tyne, UK

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Andrew Carr

Andrew Carr

University of Oxford, Oxford, UK

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Michael Doherty

Michael Doherty

University of Nottingham and City Hospital Nottingham, Nottingham, UK

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Sally Doherty

Sally Doherty

University of Nottingham and City Hospital Nottingham, Nottingham, UK

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Juan J. Gómez-Reino

Juan J. Gómez-Reino

Hospital Clinico Universitario de Santiago, Santiago de Compostela, Spain

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Antonio Gonzalez

Antonio Gonzalez

Hospital Clinico Universitario de Santiago, Santiago de Compostela, Spain

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Bjarni V. Halldorsson

Bjarni V. Halldorsson

Reykjavik University and deCODE Genetics, Reykjavik, Iceland

Drs. Halldorsson, Jonsdottir, and Stefansson own stock and/or stock options in deCODE Genetics.

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Valdimar B. Hauksson

Valdimar B. Hauksson

deCODE Genetics, Reykjavik, Iceland

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Albert Hofman

Albert Hofman

Erasmus Medical Center, Rotterdam, The Netherlands

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Deborah J. Hart

Deborah J. Hart

St. Thomas' Hospital and Kings College London, London, UK

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Shiro Ikegawa

Shiro Ikegawa

Center for Genomic Medicine, RIKEN, Tokyo, Japan

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Thorvaldur Ingvarsson

Thorvaldur Ingvarsson

University of Akureyri, Akureyri, and University of Iceland, Reykjavik, Iceland

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Qing Jiang

Qing Jiang

Drum Tower Hospital and Medical School of Nanjing University, Nanjing, Jiangsu, China

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Ingileif Jonsdottir

Ingileif Jonsdottir

University of Iceland, Reykjavik, and deCODE Genetics, Reykjavik, Iceland

Drs. Halldorsson, Jonsdottir, and Stefansson own stock and/or stock options in deCODE Genetics.

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Helgi Jonsson

Helgi Jonsson

University of Iceland, Reykjavik, and Landspitali University Hospital, Reykjavik, Iceland

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Hanneke J. M. Kerkhof

Hanneke J. M. Kerkhof

Erasmus Medical Center, Rotterdam, The Netherlands

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Margreet Kloppenburg

Margreet Kloppenburg

Leiden University Medical Center, Leiden, The Netherlands

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Nancy E. Lane

Nancy E. Lane

University of California at Davis Medical Center, Sacramento, California

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Jia Li

Jia Li

Roche Molecular Systems, Pleasanton, California

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Rik J. Lories

Rik J. Lories

Katholieke Universiteit Leuven, Leuven, Belgium

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Joyce B. J. van Meurs

Joyce B. J. van Meurs

Erasmus Medical Center, Rotterdam, The Netherlands

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Annu Näkki

Annu Näkki

National Public Health Institute, ORTON Orthopedic Hospital, and ORTON Invalid Foundation, Helsinki, Finland

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Michael C. Nevitt

Michael C. Nevitt

University of California, San Francisco

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Julio Rodriguez-Lopez

Julio Rodriguez-Lopez

Hospital Clinico Universitario de Santiago, Santiago de Compostela, Spain

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Dongquan Shi

Dongquan Shi

Drum Tower Hospital and Medical School of Nanjing University, Nanjing, Jiangsu, China

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P. Eline Slagboom

P. Eline Slagboom

Leiden University Medical Center, Leiden, The Netherlands

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Kari Stefansson

Kari Stefansson

University of Iceland, Reykjavik, and deCODE Genetics, Reykjavik, Iceland

Drs. Halldorsson, Jonsdottir, and Stefansson own stock and/or stock options in deCODE Genetics.

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Aspasia Tsezou

Aspasia Tsezou

University of Thessaly Medical School, Larissa, Greece

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Gillian A. Wallis

Gillian A. Wallis

University of Manchester, Manchester, UK

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Christopher M. Watson

Christopher M. Watson

University of Ioannina School of Medicine, Ioannina, Greece

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Tim D. Spector

Tim D. Spector

St. Thomas' Hospital and Kings College London, London, UK

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Andre G. Uitterlinden

Andre G. Uitterlinden

Erasmus Medical Center, Rotterdam, The Netherlands

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Ana M. Valdes

Ana M. Valdes

St. Thomas' Hospital and Kings College London, London, UK

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John P. A. Ioannidis

Corresponding Author

John P. A. Ioannidis

University of Ioannina Medical School of Medicine and Foundation for Research and Development–Hellas, Ioannina, Greece, and Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts

Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina 45110, GreeceSearch for more papers by this author
First published: 28 May 2009
Citations: 160

Abstract

Objective

GDF5 and FRZB have been proposed as genetic loci conferring susceptibility to osteoarthritis (OA); however, the results of several studies investigating the association of OA with the rs143383 polymorphism of the GDF5 gene or the rs7775 and rs288326 polymorphisms of the FRZB gene have been conflicting or inconclusive. To examine these associations, we performed a large-scale meta-analysis of individual-level data.

Methods

Fourteen teams contributed data on polymorphisms and knee, hip, and hand OA. For rs143383, the total number of cases and controls, respectively, was 5,789 and 7,850 for hip OA, 5,085 and 8,135 for knee OA, and 4,040 and 4,792 for hand OA. For rs7775, the respective sample sizes were 4,352 and 10,843 for hip OA, 3,545 and 6,085 for knee OA, and 4,010 and 5,151 for hand OA, and for rs288326, they were 4,346 and 8,034 for hip OA, 3,595 and 6,106 for knee OA, and 3,982 and 5,152 for hand OA. For each individual study, sex-specific odds ratios (ORs) were calculated for each OA phenotype that had been investigated. The ORs for each phenotype were synthesized using both fixed-effects and random-effects models for allele-based effects, and also for haplotype effects for FRZB.

Results

A significant random-effects summary OR for knee OA was demonstrated for rs143383 (1.15 [95% confidence interval 1.09–1.22]) (P = 9.4 × 10−7), with no significant between-study heterogeneity. Estimates of effect sizes for hip and hand OA were similar, but a large between-study heterogeneity was observed, and statistical significance was borderline (for OA of the hip [P = 0.016]) or absent (for OA of the hand [P = 0.19]). Analyses for FRZB polymorphisms and haplotypes did not reveal any statistically significant signals, except for a borderline association of rs288326 with hip OA (P = 0.019).

Conclusion

Evidence of an association between the GDF5 rs143383 polymorphism and OA is substantially strong, but the genetic effects are consistent across different populations only for knee OA. Findings of this collaborative analysis do not support the notion that FRZB rs7775 or rs288326 has any sizable genetic effect on OA phenotypes.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.

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