A gel that’s injected into the ear could reverse hearing loss. Called FX-322, the one-off jab works by encouraging dormant stem cells inside the ear to grow into healthy new auditory cells capable of transmitting sounds to the brain.
Stem cells are immature cells found throughout the body, and many have the capacity to grow into virtually any type of tissue.
The new drug prompts these dormant cells to grow into cilia. These tiny hair-like cells pick up sounds and turn them into electrical impulses that are sent along the auditory nerve to the brain for processing.
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