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The miR-30 microRNA family targets smoothened to regulate hedgehog signalling in zebrafish early muscle development

Ketley, Ami; Warren, Anne; Holmes, Emily; Gering, Martin; Aboobaker, A. Aziz; Brook, J. David

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Authors

AMI KETLEY ami.ketley@nottingham.ac.uk
Research Fellow

Anne Warren

Emily Holmes

A. Aziz Aboobaker

DAVID BROOK david.brook@nottingham.ac.uk
Professor of Human Genetics



Abstract

The importance of microRNAs in development is now widely accepted. However, identifying the specific targets of individual microRNAs and understanding their biological significance remains a major challenge. We have used the zebrafish model system to evaluate the expression and function of microRNAs potentially involved in muscle development and study their interaction with predicted target genes. We altered expression of the miR-30 microRNA family and generated phenotypes that mimicked misregulation of the Hedgehog pathway. Inhibition of the miR-30 family increases activity of the pathway, resulting in elevated ptc1 expression and increased numbers of superficial slow-muscle fibres. We show that the transmembrane receptor smoothened is a target of this microRNA family. Our results indicate that fine coordination of smoothened activity by the miR-30 family allows the correct specification and differentiation of distinct muscle cell types during zebrafish embryonic development.

Citation

Ketley, A., Warren, A., Holmes, E., Gering, M., Aboobaker, A. A., & Brook, J. D. (2013). The miR-30 microRNA family targets smoothened to regulate hedgehog signalling in zebrafish early muscle development. PLoS ONE, 8(6), Article e65170. https://doi.org/10.1371/journal.pone.0065170

Journal Article Type Article
Publication Date Jun 1, 2013
Deposit Date Apr 15, 2014
Publicly Available Date Apr 15, 2014
Journal PLoS ONE
Electronic ISSN 1932-6203
Publisher Public Library of Science
Peer Reviewed Peer Reviewed
Volume 8
Issue 6
Article Number e65170
DOI https://doi.org/10.1371/journal.pone.0065170
Public URL https://nottingham-repository.worktribe.com/output/1002013
Publisher URL http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0065170

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