Gene therapy may be the best hope for curing retinitis pigmentosa (RP), an inherited condition that usually leads to severe vision loss and blinds 1.5 million people worldwide.
But there’s a huge obstacle: RP can be caused by mutations in over 80 different genes. To treat most RP patients with gene therapy, researchers would have to create a therapy for each gene—a nearly impractical task using current gene therapy strategies.
A more universal treatment may be forthcoming...
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