2066: Identification of Novel Biomarkers and Therapeutic Targets for Chronic Kidney Disease in Dogs

Grant Status: Open

Grant Amount: $108,243
Dr. Mary B Nabity, DVM, PhD, Texas A&M AgriLife Research
January 1, 2014 - December 31, 2015
Sponsor(s): Health & Rescue Foundation of the Petit Basset Griffon Vendeen Club of America, Marcia Polimer Abrams Fund for Behavior Studies, Siberian Husky Club of America
Breed(s): -All Dogs
Research Program Area: Renal Disease

Abstract

Chronic kidney disease is a significant cause of illness and death in dogs. Early treatment can prolong the lives of dogs with chronic kidney disease, but timely detection can be difficult. The outcome for each patient using current, early non-invasive testing is unpredictable. Therefore, improvements in tests to detect kidney damage at an earlier stage would allow veterinarians to provide dogs with appropriate treatments in a more timely fashion to slow disease progression and improve quality and length of life. Further, better treatments are needed to prevent disease progression. MicroRNAs (miRNAs) are small molecules that can regulate gene expression by up or down regulation of messenger RNA transcripts and proteins in target tissues. Many studies have found that increases or decreases in miRNAs can serve as biomarkers of diseases, including human chronic kidney disease. They also contribute to the development of diseases. Dr. Nabity will evaluate miRNAs in the serum and urine of dogs with chronic kidney disease to determine their use as biomarkers of kidney injury and their potential as targets for future therapeutics. They will evaluate kidney tissue, urine, and serum samples from dogs with a hereditary disease that causes early-onset chronic kidney disease, as well as serum and urine from dogs with a variety of other naturally occurring kidney diseases to identify miRNAs that may be useful as biomarkers of kidney damage. Gene and protein targets of altered miRNAs will also be evaluated to learn more about the mechanisms that contribute to the development of chronic kidney disease in dogs.

Publication(s)

Hokamp, J. A., Cianciolo, R. E., Boggess, M., Lees, G. E., Benali, S. L., Kovarsky, M., & Nabity, M. B. (2016). Correlation of Urine and Serum Biomarkers with Renal Damage and Survival in Dogs with Naturally Occurring Proteinuric Chronic Kidney Disease. Journal of Veterinary Internal Medicine, n/a–n/a.

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