Use of FOXJ1CreER2T mice for inducible deletion of embryonic node gene expression

Shuyun Wang, Stephanie Ware

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The ciliated cells of the node of the mouse embryo contribute to the establishment of left-right patterning via generation of leftward laminar fluid flow and initiation of a left-sided morphogen gradient. Here, we identify FOXJ1CreER2T mice in which expression of Cre recombinase is directed to ciliated node cells. The data demonstrate that foxj1 is expressed specifically in the node throughout the developmental window critical for left-right patterning. In transgenic embryos, Cre expression is detected by immunohistochemistry in ciliated cells of the node. Rosa26R reporter mice, in which expression of lacZ is activated only after Cre-mediated recombination, demonstrate strong and uniform labeling at the node when crossed with FOXJ1CreER2T mice. Cell labeling occurred as early as 0- to 2-somite stages, specifically within cells of the node, and recombination was highly efficient in response to tamoxifen. FOXJ1-CreER2T transgenic mice represent a new genetic tool for the analysis of node-specific gene expression and will also be valuable in the study of node cell lineage and temporal cell fate mapping.

Original languageEnglish (US)
Pages (from-to)132-136
Number of pages5
JournalGenesis
Volume47
Issue number2
DOIs
StatePublished - 2009
Externally publishedYes

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Gene Expression
Genetic Recombination
Embryonic Structures
Somites
Cell Lineage
Tamoxifen
Transgenic Mice
Immunohistochemistry

Keywords

  • Cilia
  • Cre recombinase
  • Embryonic node
  • Fate mapping
  • Left-right patterning

ASJC Scopus subject areas

  • Endocrinology
  • Cell Biology
  • Genetics
  • Medicine(all)

Cite this

Use of FOXJ1CreER2T mice for inducible deletion of embryonic node gene expression. / Wang, Shuyun; Ware, Stephanie.

In: Genesis, Vol. 47, No. 2, 2009, p. 132-136.

Research output: Contribution to journalArticle

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