PUBLICATION

Riboceine Rescues Auranofin-Induced Craniofacial Defects in Zebrafish

Authors
Leask, M., Carleton, C., Leeke, B., Newman, T., Antoun, J., Farella, M., Horsfield, J.
ID
ZDB-PUB-211230-4
Date
2021
Source
Antioxidants (Basel, Switzerland)   10(12): (Journal)
Registered Authors
Horsfield, Jules
Keywords
Riboceine, antioxidant, auranofin, craniofacial anomalies, neural crest, oxidative stress, zebrafish
MeSH Terms
none
PubMed
34943067 Full text @ Antioxidants (Basel)
Abstract
Craniofacial abnormalities are a common group of congenital developmental disorders that can require intensive oral surgery as part of their treatment. Neural crest cells (NCCs) contribute to the facial structures; however, they are extremely sensitive to high levels of oxidative stress, which result in craniofacial abnormalities under perturbed developmental environments. The oxidative stress-inducing compound auranofin (AFN) disrupts craniofacial development in wildtype zebrafish embryos. Here, we tested whether the antioxidant Riboceine (RBC) rescues craniofacial defects arising from exposure to AFN. RBC rescued AFN-induced cellular apoptosis and distinct defects of the cranial cartilage in zebrafish larvae. Zebrafish embryos exposed to AFN have higher expression of antioxidant genes gstp1 and prxd1, with RBC treatment partially rescuing these gene expression profiles. Our data suggest that antioxidants may have utility in preventing defects in the craniofacial cartilage owing to environmental or genetic risk, perhaps by enhancing cell survival.
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