• Assessment of Osteoarthritis Candidate Genes in a Meta-Analysis of Nine Genome-Wide Association Studies 

      Rodriguez-Fontenla, C.; Calaza, M.; Evangelou, E.; Valdes, A. M.; Arden, N.; Blanco, F. J.; Carr, A.; Chapman, K.; Deloukas, P.; Doherty, M.; Esko, T.; Aleta, C. M. G.; Carnota, Jjgr; Helgadottir, H.; Hofman, A.; Jonsdottir, I.; Kerkhof, H. J. M.; Kloppenburg, M.; McCaskie, A.; Ntzani, E. E.; Ollier, W. E. R.; Oreiro, N.; Panoutsopoulou, K.; Ralston, S. H.; Ramos, Y. F.; Riancho, J. A.; Rivadeneira, F.; Slagboom, P. E.; Styrkarsdottir, U.; Thorsteinsdottir, U.; Thorleifsson, G.; Tsezou, A.; Uitterlinden, A. G.; Wallis, G. A.; Wilkinson, J. M.; Zhai, G. J.; Zhu, Y. Y.; Felson, D. T.; Ioannidis, J. P. A.; Loughlin, J.; Metspalu, A.; Meulenbelt, I.; Stefansson, K.; van Meurs, J. B.; Zeggini, E.; Spector, T. D.; Gonzalez, A.; arc, Ogen Consortium (2014)
      Objective. To assess candidate genes for association with osteoarthritis (OA) and identify promising genetic factors and, secondarily, to assess the candidate gene approach in OA. Methods. A total of 199 candidate genes ...
    • Association of a nsSNP in ADAMTS14 to some osteoarthritis phenotypes 

      Rodriguez-Lopez, J.; Pombo-Suarez, M.; Loughlin, J.; Tsezou, A.; Blanco, F. J.; Meulenbelt, I.; Slagboom, P. E.; Valdes, A. M.; Spector, T. D.; Gomez-Reino, J. J.; Gonzalez, A. (2009)
      Objective: To investigate the effect in OA (Osteoarthritis) susceptibility of putative damaging changes in ADAM (A Disintegrin And Metalloprotease) and ADAMTS (ADAM with ThromboSpondin motif proteases. Methods: Non-synonymous ...
    • Common genetic variation in the Estrogen Receptor Beta (ESR2) gene and osteoarthritis: results of a meta-analysis 

      Kerkhof, H. J. M.; Meulenbelt, I.; Carr, A.; Gonzalez, A.; Hart, D.; Hofman, A.; Kloppenburg, M.; Lane, N. E.; Loughlin, J.; Nevitt, M. C.; Pols, H. A. P.; Rivadeneira, F.; Slagboom, E. P.; Spector, T. D.; Stolk, L.; Tsezou, A.; Uitterlinden, A. G.; Valdes, A. M.; van Meurs, J. B. J. (2010)
      Background: The objective of this study was to examine the relationship between common genetic variation of the ESR2 gene and osteoarthritis. Methods: In the discovery study, the Rotterdam Study-I, 7 single nucleotide ...
    • Comparison between clinical and ultrasonographic assessment in patients with erosive osteoarthritis of the hands 

      Koutroumpas, A. C.; Alexiou, I. S.; Vlychou, M.; Sakkas, L. I. (2010)
      The objective of this study is to assess the reliability of clinical examination in patients with erosive osteoarthritis (EOA). Eighteen patients with EOA underwent clinical examination for joint tenderness, bony swelling, ...
    • A fuzzy decision tree-based SVM classifier for assessing osteoarthritis severity using ground reaction force measurements 

      Moustakidis, S. P.; Theocharis, J. B.; Giakas, G. (2010)
      A novel fuzzy decision tree-based SVM (FDT-SVM) classifier is proposed in this paper, to distinguish between asymptotic (AS) and osteoarthritis (OA) knee gait patterns and to investigate OA severity using 3-D ground reaction ...
    • High-resolution ultrasonography and 3.0 T magnetic resonance imaging in erosive and nodal hand osteoarthritis: high frequency of erosions in nodal osteoarthritis 

      Vlychou, M.; Koutroumpas, A.; Alexiou, I.; Fezoulidis, I.; Sakkas, L. I. (2013)
      Erosive osteoarthritis (EOA) is defined as hand osteoarthritis (OA) with interphalangeal joint erosions on plain radiographs. We sought to find ultrasound (US) and magnetic resonance imaging (MRI) features that could ...
    • Lectin-like oxidized low density lipoprotein receptor 1 (LOX-1) expression in human articular chondrocytes 

      Simopoulou, T.; Malizos, K. N.; Tsezou, A. (2007)
      Objective To investigate the involvement of oxidized low density lipoprotein (ox-LDL) and the expression of its receptor lectin-like oxidized low density lipoprotein receptor 1 (LOX-1) in osteoarthritis, by determining the ...
    • Lipid metabolism and osteoarthritis: Lessons from atherosclerosis 

      Gkretsi, V.; Simopoulou, T.; Tsezou, A. (2011)
      Osteoarthritis (OA) is an age-related degenerative disease comprising the main reason of handicap in the Western world. Interestingly, to date, there are neither available biomarkers for early diagnosis of the disease nor ...
    • Meta-analyses of genes modulating intracellular T3 bio-availability reveal a possible role for the DIO3 gene in osteoarthritis susceptibility 

      Meulenbelt, I.; Bos, S. D.; Chapman, K.; van der Breggen, R.; Houwing-Duistermaat, J. J.; Kremer, D.; Kloppenburg, M.; Carr, A.; Tsezou, A.; Gonzalez, A.; Loughlin, J.; Slagboom, E. (2011)
      Objective To study whether common genetic variants of the genes involved in the complex regulatory mechanism determining the intracellular bio-availability of T3 influence osteoarthritis onset. Methods In total 17 genetic ...
    • A meta-analysis of European and Asian cohorts reveals a global role of a functional SNP in the 5 ' UTR of GDF5 with osteoarthritis susceptibility 

      Chapman, K.; Takahashi, A.; Meulenbelt, I.; Watson, C.; Rodriguez-Lopez, J.; Egli, R.; Tsezou, A.; Malizos, K. N.; Kloppenburg, M.; Shi, D. Q.; Southam, L.; van der Breggen, R.; Donn, R.; Qin, J. H.; Doherty, M.; Slagboom, P. E.; Wallis, G.; Kamatani, N.; Jiang, Q.; Gonzalez, A.; Loughlin, J.; Ikegawa, S. (2008)
      We have performed a meta-analysis combining data for more than 11 000 individuals. It provides compelling evidence for a positive association between a functional single-nucleotide polymorphism (SNP) in the 5'-UTR of GDF5 ...
    • Osteoarthritis Year in Review 2014: genetics and genomics 

      Tsezou, A. (2014)
      Recent developments in genetics/genomics of osteoarthritis (OA) are discussed to improve our understanding of OA pathophysiology. The discovery of a novel variant near the NCOA3 (nuclear receptor coactivator 3) gene ...
    • Recommendations for standardization and phenotype definitions in genetic studies of osteoarthritis: the TREAT-OA consortium 

      Kerkhof, H. J. M.; Meulenbelt, I.; Akune, T.; Arden, N. K.; Aromaa, A.; Bierma-Zeinstra, S. M. A.; Carr, A.; Cooper, C.; Dai, J.; Doherty, M.; Doherty, S. A.; Felson, D.; Gonzalez, A.; Gordon, A.; Harilainen, A.; Hart, D. J.; Hauksson, V. B.; Heliovaara, M.; Hofman, A.; Ikegawa, S.; Ingvarsson, T.; Jiang, Q.; Jonsson, H.; Jonsdottir, I.; Kawaguchi, H.; Kloppenburg, M.; Kujala, U. M.; Lane, N. E.; Leino-Arjas, P.; Lohmander, L. S.; Luyten, F. P.; Malizos, K. N.; Nakajima, M.; Nevitt, M. C.; Pols, H. A. P.; Rivadeneira, F.; Shi, D.; Slagboom, E.; Spector, T. D.; Stefansson, K.; Sudo, A.; Tamm, A.; Tamm, A. E.; Tsezou, A.; Uchida, A.; Uitterlinden, A. G.; Wilkinson, J. M.; Yoshimura, N.; Valdes, A. M.; van Meurs, J. B. J. (2011)
      Objective: To address the need for standardization of osteoarthritis (OA) phenotypes by examining the effect of heterogeneity among symptomatic (SOA) and radiographic osteoarthritis (ROA) phenotypes. Methods: Descriptions ...