Gene Therapy for Hearing Loss Reversal

Hearing loss has been linked to mutations in at least 100 different genes, but up to 16% of genetic hearing loss can be traced to just one gene, STRC, the second most common genetic cause. A first-of-its-kind gene therapy technique developed at Boston Children’s Hospital successfully replaced the mutated protein, stereocilin, in the inner ear and reversed severe hearing loss in mice — sometimes to normal levels of hearing.