Transcriptomic analysis of the zebrafish inner ear points to growth hormone mediated regeneration following acoustic trauma

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Abstract

Unlike mammals, teleost fishes are capable of regenerating sensory inner ear hair cells that have been lost following acoustic or ototoxic trauma. Previous work indicated that immediately following sound exposure, zebrafish saccules exhibit significant hair cell loss that recovers to pre-treatment levels within 14 days. Following acoustic trauma in the zebrafish inner ear, we used microarray analysis to identify genes involved in inner ear repair following acoustic exposure. Additionally, we investigated the effect of growth hormone (GH) on cell proliferation in control zebrafish utricles and saccules, since GH was significantly up-regulated following acoustic trauma.

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Schuck, J. B., Sun, H., Penberthy, W. T., Cooper, N. G. F., Li, X., & Smith, M. E. (2011). Transcriptomic analysis of the zebrafish inner ear points to growth hormone mediated regeneration following acoustic trauma. BMC Neuroscience, 12. https://doi.org/10.1186/1471-2202-12-88

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