Seeing Genes
The first interaction we have with the visual world around us is via a thin but distinct layer of cells in the retina, the light-sensitive tissue at the back of our eyes. Our brain’s ability to make sense of the visible environment relies on how these retinal cells (purple) and the nerves that connect them (green and red) are organised. For us to see properly, this circuitry must be precisely and accurately ordered. And now researchers have identified 16 genes responsible for controlling this systematic arrangement. These genes also help to ensure retinal cells have a good blood supply, so they can function properly. Since many of these 16 genes are linked to various diseases of the eye, the discovery may even pave the way for new potential therapies to treat retinal diseases.
Today is World Sight Day
Written by Gaëlle Coullon
- Image by Courtney Burger, the Samuel Lab, Baylor College of Medicine
- Baylor College of Medicine, Houston, TX, USA
- Image copyright held by the original authors
- Research published in Cell Reports, August 2018
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