2336: Genetics of Primary Angle Closure Glaucoma in American Cocker Spaniels

Grant Status: Open

Grant Amount: $40,000
Dr. Sara M Thomasy, DVM, PhD, University of California, Davis
May 1, 2017 - April 30, 2018
Breed(s): Cocker Spaniel, -All Dogs
Research Program Area: Ophthalmology

Abstract

Glaucoma is a leading cause of irreversible blindness and globe removal (enucleation) in dogs. Primary angle closure glaucoma (PACG) is the most common form of glaucoma in dogs whereby acute blockage of the iridocorneal angle leads to a rapid increase in intraocular pressure. Consequently, PACG is painful, demands immediate medical attention, and often causes incurable vision loss. The American Cocker Spaniel (ACS) has the highest reported prevalence of any canine breed for PACG. The investigators will study the genetics of PACG in the ACS to identify potential disease-causing loci and variants. Dogs will be extensively phenotyped as PACG cases or controls using advanced imaging equipment used to investigate glaucoma in human patients. Identification of genetic markers associated with PACG in ACSs will facilitate the development of a genetic test to inform breeding programs. Furthermore, identification of the molecular basis of PACG may help elucidate novel therapeutic or testing strategies in the management of this blinding disease that may be translatable to the human condition.

Publication(s)

None at this time.

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