Abstract
Mutations in the retinal pigment epithelium gene encoding RPE65 are a cause of the incurable early-onset recessive human retinal degenerations known as Leber congenital amaurosis. Rpe65 -deficient mice, a model of Leber congenital amaurosis, have no rod photopigment and severely impaired rod physiology. We analyzed retinoid flow in this model and then intervened by using oral 9- cis -retinal, attempting to bypass the biochemical block caused by the genetic abnormality. Within 48 h, there was formation of rod photopigment and dramatic improvement in rod physiology, thus demonstrating that mechanism-based pharmacological intervention has the potential to restore vision in otherwise incurable genetic retinal degenerations.
Bibliography
Van Hooser, J. P., Aleman, T. S., He, Y.-G., Cideciyan, A. V., Kuksa, V., Pittler, S. J., Stone, E. M., Jacobson, S. G., & Palczewski, K. (2000). Rapid restoration of visual pigment and function with oral retinoid in a mouse model of childhood blindness. Proceedings of the National Academy of Sciences, 97(15), 8623â8628.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 10:32 a.m.) |
Deposited | 3 years, 4 months ago (April 13, 2022, 12:04 a.m.) |
Indexed | 1 month ago (July 30, 2025, 11:13 a.m.) |
Issued | 25 years, 2 months ago (June 27, 2000) |
Published | 25 years, 2 months ago (June 27, 2000) |
Published Online | 25 years, 2 months ago (June 27, 2000) |
Published Print | 25 years, 1 month ago (July 18, 2000) |
@article{Van_Hooser_2000, title={Rapid restoration of visual pigment and function with oral retinoid in a mouse model of childhood blindness}, volume={97}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.150236297}, DOI={10.1073/pnas.150236297}, number={15}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Van Hooser, J. Preston and Aleman, Tomas S. and He, Yu-Guang and Cideciyan, Artur V. and Kuksa, Vladimir and Pittler, Steven J. and Stone, Edwin M. and Jacobson, Samuel G. and Palczewski, Krzysztof}, year={2000}, month=jun, pages={8623–8628} }