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dc.contributor.authorRodríguez López, Julio
dc.contributor.authorPombo Suárez, Manuel Enrique
dc.contributor.authorLiz, Myriam
dc.contributor.authorGómez-Reino Carnota, Juan Jesús
dc.contributor.authorGonzález Martínez-Pedrayo, Antonio
dc.date.accessioned2020-06-12T08:54:12Z
dc.date.available2020-06-12T08:54:12Z
dc.date.issued2006
dc.identifier.citationRodriguez-Lopez, J., Pombo-Suarez, M., Liz, M. et al. Lack of association of a variable number of aspartic acid residues in the asporin gene with osteoarthritis susceptibility: case-control studies in Spanish Caucasians. Arthritis Res Ther 8, R55 (2006). https://doi.org/10.1186/ar1920
dc.identifier.issn1478-6354
dc.identifier.urihttp://hdl.handle.net/10347/22956
dc.description.abstractA recent genetic association study has identified a microsatellite in the coding sequence of the asporin gene as a susceptibility factor for osteoarthritis (OA). Alleles of this microsatellite determine the variable number of aspartic acid residues in the amino-terminal end of the asporin protein. Asporin binds directly to the growth factor transforming growth factor beta and inhibits its anabolic effects in cartilage, which include stimulation of collagen and aggrecan synthesis. The OA-associated allele, with 14 aspartic acid residues, inhibits the anabolic effects of transforming growth factor beta more strongly than other asporin alleles, leading to increased OA liability. We have explored whether the association found in several cohorts of Japanese hip OA and knee OA patients was also present in Spanish Caucasians. We studied patients that had undergone total joint replacement for primary OA in the hip (n = 303) or the knee (n = 188) and patients with hand OA (n = 233), and we compared their results with controls (n = 294) lacking overt OA clinical symptoms. No significant differences were observed in any of the multiple comparisons performed, which included global tests of allele frequency distributions and specific comparisons as well as stratification by affected joint and by sex. Our results, together with reports from the United Kingdom and Greece, indicate that the stretch of aspartic acid residues in asporin is not an important factor in OA susceptibility among European Caucasians. It remains possible that lifestyle, environmental or genetic differences allow for an important effect of asporin variants in other ethnic groups as has been reported in the Japanese, but this should be supported by additional studies
dc.description.sponsorshipThis project was supported by grant PI02/0713 form the Instituto de Salud Carlos III (Spain) with participation of funds from FEDER (European Union), and by a grant of the Fundacion Pedro Barrie de la Maza (A Corunna, Spain). JR-L is the recipient of a scholarship of the National Program for the Training of University Professors of the Spanish Ministry of Education. AG was supported by the Instituto de Salud Carlos III (Spain)
dc.language.isoeng
dc.publisherBMC
dc.rights© 2006 Rodriguez-Lopez et al.; licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
dc.rights.urihttp://creativecommons.org/licenses/by/2.0
dc.subjectTransform Growth Factor Beta
dc.subjectTotal Knee Replacement
dc.subjectAnabolic Effect
dc.subjectAspartic Acid Residue
dc.subjectTotal Knee Replacement Patient
dc.titleLack of association of a variable number of aspartic acid residues in the asporin gene with osteoarthritis susceptibility: case-control studies in Spanish Caucasians
dc.typejournal article
dc.identifier.doi10.1186/ar1920
dc.relation.publisherversionhttps://doi.org/10.1186/ar1920
dc.type.hasVersionVoR
dc.identifier.essn1478-6362
dc.rights.accessRightsopen access
dc.contributor.affiliationUniversidade de Santiago de Compostela. Departamento de Psiquiatría, Radioloxía, Saúde Pública, Enfermaría e Medicina
dc.description.peerreviewedSI


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© 2006 Rodriguez-Lopez et al.; licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
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 © 2006 Rodriguez-Lopez et al.; licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited





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