Retinoic Acid Stimulates Regeneration of Mammalian Auditory Hair Cells
- 30 April 1993
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 260 (5108) , 692-695
- https://doi.org/10.1126/science.8480180
Abstract
Sensorineural hearing loss resulting from the loss of auditory hair cells is thought to be irreversible in mammals. This study provides evidence that retinoic acid can stimulate the regeneration in vitro of mammalian auditory hair cells in ototoxic-poisoned organ of Corti explants in the rat. In contrast, treatment with retinoic acid does not stimulate the formation of extra hair cells in control cultures of Corti's organ. Retinoic acid-stimulated hair cell regeneration can be blocked by cytosine arabinoside, which suggests that a period of mitosis is required for the regeneration of auditory hair cells in this system. These results provide hope for a recovery of hearing function in mammals after auditory hair cell damage.Keywords
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