Medical research

Why too much DNA repair can injure tissue

DNA-repair enzymes help cells survive damage to their genomes, which arises as a normal byproduct of cell activity and can also be caused by environmental toxins. However, in certain situations, DNA repair can become harmful ...

Genetics

Turning back the clock on a severe vision disorder

Gustavo Aguirre and William Beltran, veterinary ophthalmologists and vision scientists at the University of Pennsylvania School of Veterinary Medicine, have studied a wide range of different retinal blinding disorders. But ...

Genetics

Dynamin-binding protein linked to congenital cataracts

Cataracts, a condition in which the eyes' natural lenses get clouded, are the most common cause of vision loss in older people and can be corrected by routine surgery. But congenital cataracts, which occur in infants and ...

Neuroscience

Newly developed chemical restores light perception to blind mice

Progressive degeneration of photoreceptors—the rods and cones of the eyes—causes blinding diseases such as retinitis pigmentosa and age-related macular degeneration. While there are currently no available treatments to ...

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