00360-A: Genome Expression Profiling: Canine Cardiomyopathy and Degenerative Mitral Valve Disease

Grant Status: Closed

Grant Amount: $10,315
Mark A. Oyama, DVM; University of Illinois
October 1, 2004 - September 30, 2005


Breed(s): Doberman Pinscher, Boxer
Research Program Area: Cardiology
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Canine cardiomyopathy and degenerative valve disease have proven to be highly complex conditions, with multiple potential etiologies, elaborate and interrelated pathophysiologic mechanisms, and a diverse phenotypic expression. The analysis of such complex systems would benefit from a global assessment of gene expression. Because gene expression is the primary regulator of cell function, expression profiling in diseased subjects could provide valuable information about the response of the cell to injury, activity of physiologic pathways, and possible etiologies. Expression profiling may also enable the identification of diagnostic or prognostic markers, thereby improving the clinical management of disease. To this end, genomic microarrays represent an emerging technology that can assess the activity to profile the genome on a global scale. Using a newly developed canine gene microarray, we seek to profile genome expression in ventricular tissue of dogs with cardiomyopathy in mitral valve tissue in dogs with age-related mitral disease, and to compare the genomic expression in these populations with controls from an age and breed matched population. Genomic profiling will provide a molecular portrait of cardiomyopathy and degenerative valve disease.


Oyama, M. A., & Chittur, S. V. (2006). Genomic expression patterns of mitral valve tissues from dogs with degenerative mitral valve disease. American Journal of Veterinary Research, 67(8), 1307–1318. https://doi.org/10.2460/ajvr.67.8.1307

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