In fact, the human ear cannot repair necrotic hair cells on its own, mainly due to the developmental differences between mammals and non-mammalians:
1. Non-mammalian non-mammalian animals can spontaneously produce functional hair cells after hair cell damage.For example, after the sidewall of zebrafish is stimulated by ototoxic drugs, a proper amount of nerve cumulus cells appear on the sidewall to promote the growth of hair cells and supporting cells; after the cochlea of chickens is damaged by noise, it can be found that the basal papilla can be repaired and renewed. Hair cells.
The method of culturing hair cells in vitro has not been clinically verified. At present, wearing hearing aids is an effective solution for sensorineural hearing loss.
Link： Why can’t human ears heal hearing loss on their own?
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