%0 Journal Article %T Association analyses of novel polymorphisms in the MMP-1 promoter gene with osteoarthritis secondary to hip dysplasia in dogs %A Fassa %A V.B. %A Oertlin %A G. %A Waldhorn %A J.G. %A ¨˘lvarez %A A.O. %A Maubecin %A E.G. %A Pazos %A D.A. %A Flores %A M. %A Pinto %A G.B. %A Huguet %A M.J. %A Conte %A A. %A Marrube %A G. %J InVet %D 2010 %I Scientific Electronic Library Online %X hip dysplasia (hd) is a polygenic disease characterized by joint laxity and lack of congruence leading to osteoarthritis (oa). under many pathogenic conditions including arthritis, mmp-1 synthesis is augmented. the mmp-1 gene promoter contains cytokine response elements, transcription factors ap-1 and saf-1 that are increased in oa. the objective of the present study was to identify and characterize new polymorphisms of the canine mmp-1 promoter gene and evaluate their association with oa secondary to hd in different dog breeds. based on the ncbi_006587 reference sequence, two novel polymorphisms, indel ctgccct (bp31986794) and c>t (bpsnp 31986815) substitution were selected due their position in a consensus sequence belonging to a saf-1 response element. data was uploaded in the genbank database (accession number gq475524 and gq475525). 125 dogs of different breeds were sampled and hip status was evaluated through ventrodorsal extended-hip radiographs. a chi-squared analysis was performed to test the association of the variables: breed, sex and genotype for each polymorphism with oa status (healthy and affected). no significant association (p>0.05) was found between any variable and oa secondary to hd. this study does not exclude mmp-1 as a gene responsible of oa secondary to hd in the breeds sampled because only the promoter sequence was evaluated. %K canis lupus familiaris %K hip dysplasia %K osteoarthritis %K mmp-1 gene %K polymorphisms. %U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S1668-34982010000200005&lng=en&nrm=iso&tlng=en