Researchers at Michigan State University have successfully restored vision in whippets suffering from an inherited eye condition through a single injection. These dogs possess a rare mutation in the CaBP4 gene, which interferes with the ability of light-sensitive retinal cells to communicate with the brain, leading to congenital visual impairment and eventual blindness as they mature. The research team injected a functional version of the gene directly into the eyes of adult dogs, which allowed the retinal cells to resume their signal transmission to the brain. Initially, the scientists aimed to halt the disease's progression, but the results surpassed their expectations. In the adult dogs treated, retinal connections were reestablished, previously abnormally thin retinal layers returned to their normal thickness, and new synapses developed. This groundbreaking study challenges the long-held belief that retinal cells in adult mammals cannot regenerate their neural connections. Furthermore, since mutations in the same gene are also linked to blindness in humans, this innovative treatment could pave the way for potential therapies for people as well.
Informational material. 18+.
