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The transcription factors Pax3 and Zic1 are critical to specify the neural plate border and to promote neural crest formation. In a microarray screen designed to identify genes regulated by Pax3 and Zic1 in Xenopus we isolated Znf703/Nlz1 a transcriptional repressor member of the NET (NocA/Nlz, Elbow, and TLP‐1) protein family. At early neurula stage znf703 is expressed in the dorsal ectoderm, spanning...
Transcription factors Pax3 and Zic1 are two important regulators of cell fate decision at the neural plate border, where they act synergistically to promote neural crest (NC) formation. To understand the role of these factors in NC development, we performed a microarray analysis to identify downstream targets of Pax3 and Zic1 in Xenopus embryos. Among the genes identified was a member of transcription...
The neural crest (NC) is a multipotent population of migratory cells unique to the vertebrate embryo, contributing to the development of multiple organ systems. Transcription factors pax3 and zic1 are among the earliest genes activated in NC progenitors, and they are both necessary and sufficient to promote NC fate. In order to further characterize the function of these transcription factors during...
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