Journal
DEVELOPMENTAL CELL
Volume 29, Issue 3, Pages 350-359Publisher
CELL PRESS
DOI: 10.1016/j.devcel.2014.04.003
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Funding
- NIH [R01 CA58836, R01 CA098830, P30 CA006927]
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Proper neural crest development and migration is critical during embryonic development, but the molecular mechanisms regulating this process remain incompletely understood. Here, we show that the protein kinase Erk, which plays a central role in a number of key developmental processes in vertebrates, is regulated in the developing neural crest by p21-activated protein kinase 1 (Pak1). Furthermore, we show that activated Erk signals by phosphorylating the transcription factor Gata6 on a conserved serine residue to promote neural crest migration and proper formation of craniofacial structures, pigment cells, and the outflow tract of the heart. Our data suggest an essential role for Pak1 as an Erk activator, and Gata6 as an Erk target, during neural crest development.
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