Journal
NATURE REVIEWS MOLECULAR CELL BIOLOGY
Volume 16, Issue 2, Pages 110-123Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nrm3932
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Funding
- US National Institutes of Health grant [GM062848]
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Retinoic acid (RA) signalling has a central role during vertebrate development. RA synthesized in specific locations regulates transcription by interacting with nuclear RA receptors (RARs) bound to RA response elements (RAREs) near target genes. RA was first implicated in signalling on the basis of its teratogenic effects on limb development. Genetic studies later revealed that endogenous RA promotes forelimb initiation by repressing fibroblast growth factor 8 (Fgf8). Insights into RA function in the limb serve as a paradigm for understanding how RA regulates other developmental processes. In vivo studies have identified RAREs that control repression of Fgf8 during body axis extension or activation of homeobox (Hox) genes and other key regulators during neuronal differentiation and organogenesis.
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