00830-AT: A Pilot Study to Determine the Molecular Characterization of Canine Follicular Thyroid Carcinoma

Grant Status: Closed

Grant Amount: $6,515
Vicki Lea Wilke, DVM, PhD; University of Minnesota
October 1, 2007 - March 31, 2008

Sponsor(s): Collie Health Foundation

Breed(s): -All Dogs
Research Program Area: Oncology
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Tumors of the thyroid gland account for approximately 1 to 4 percent of all tumors in dogs. Of these, 70-100 percent are malignant, and tumors formed from follicular cells are the most common cell type diagnosed. In addition, approximately 33 percent of dogs with thyroid tumors will have spread of the cancer by the time they are diagnosed, and up to 90 percent of dogs will experience spread of the cancer through the course of the disease if left untreated. Prognosis is usually determined by the size of the tumor and extent of local tissue invasion at the time of definitive treatment. Thyroid tumors invade surrounding tissues (larynx, trachea, esophagus, and major vessels of the neck) and are considered highly vascular. As the tumors grow, they can cause breathing and eating difficulties, which may necessitate euthanasia. Our hypothesis for this study is that there are specific differences in the expression patterns of genes that are associated with a tumor�s ability to be invasive and that these differing expression patterns can be capitalized upon to allow the development of disease modifying therapies. We therefore propose to compare invasive and non-invasive thyroid tumors using microarray analysis.


Metivier, K. S., Deitz, K., Xu, W. W., Conzemius, M., & Wilke, V. L. (2012). Gene expression profiling demonstrates differential expression of osteopontin in follicular thyroid carcinomas compared to normal thyroid tissue in dogs. Veterinary and Comparative Oncology, 12(3), 181–197. https://doi.org/10.1111/j.1476-5829.2012.00348.x

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