Neural crest specification and migration independently require nsd3-related lysine methyltransferase activity

Bridget T. Jacques-Fricke, Laura S. Gammill

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


Neural crest precursors express genes that cause them to become migratory, multipotent cells, distinguishing them from adjacent stationary neural progenitors in the neurepithelium. Histone methylation spatiotemporally regulates neural crest gene expression; however, the protein methyltransferases active in neural crest precursors are unknown. Moreover, the regulation of methylation during the dynamic process of neural crest migration is unclear. Here we show that the lysine methyltransferase NSD3 is abundantly and specifically expressed in premigratory and migratory neural crest cells. NSD3 expression commences before up-regulation of neural crest genes, and NSD3 is necessary for expression of the neural plate border gene Msx1, as well as the key neural crest transcription factors Sox10, Snail2, Sox9, and FoxD3, but not gene expression generally. Nevertheless, only Sox10 his tone H3 lysine 36 dimethylation requires NSD3, revealing unexpected complexity in NSD3- dependent neural crest gene regulation. In addition, by temporally limiting expression of a dominant negative to migratory stages, we identify a novel, direct requirement for NSD3- related methyltransferase activity in neural crest migration. These results identify NSD3 as the first protein methyltransferase essential for neural crest gene expression during specification and show that NSD3-related methyltransferase activity independently regulates migration.

Original languageEnglish (US)
Pages (from-to)4174-4186
Number of pages13
JournalMolecular biology of the cell
Issue number25
StatePublished - Dec 15 2014


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