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Abnormalities in cells at the back of the eye called photoreceptors are associated with at least 50% of all cases of blindness in this country.This project will examine a novel mechanism of photoreceptor death. In particular, whether abnormalties in support cells at the back of the eye cause photoreceptors to lose contact with their nutrient source and die.
Understanding the structure of the human retina is important for understanding normal visual function. The goal of this study is to supply data on the distribution, density and connectivity of nerve cells in the human retina. Our study will provide a foundation for areas of clinical investigation of the human retina.
A Study Of The Role Of Voltage-gated Potassium Channels In The Process Of Phototransduction, In The Setting Of Photoreceptor Sensitivity Levels And Response Times, And In The Progression Of A Distinctive Form Of Inherited Retinal Dystrophy
Funder
National Health and Medical Research Council
Funding Amount
$360,371.00
Summary
Inherited retinal disease is a major cause of blindness but the genetic basis is extremely heterogeneous. One such disorder, cone dystrophy with supernormal rod ERG, arises from mutations in KCNV2 that encodes a potassium voltage-gated channel protein. The objective of the project is to use animal models of the disease to determine the role of this channel protein in normal visual function and to assess the impact of loss of function on retinal development and function.