Title: Using a histone yellow fluorescent protein fusion for tagging and tracking endothelial cells in ES cells and mice
Authors: Fraser, Stuart T
Hadjantonakis, Anna-Katerina
Sahr, Kenneth E
Willey, Stephen
Kelly, Olivia G
Jones, Elizabeth
Dickinson, Mary E
Baron, Margaret H # ×
Issue Date: Jul-2005
Publisher: John Wiley & Sons, Inc.
Series Title: Genesis: The Journal of Genetics and Development vol:42 issue:3 pages:162-71
Abstract: We report the first endothelial lineage-specific transgenic mouse allowing live imaging at subcellular resolution. We generated an H2B-EYFP fusion protein which can be used for fluorescent labeling of nucleosomes and used it to specifically label endothelial cells in mice and in differentiating embryonic stem (ES) cells. A fusion cDNA encoding a human histone H2B tagged at its C-terminus with enhanced yellow fluorescent protein (EYFP) was expressed under the control of an Flk1 promoter and intronic enhancer. The Flk1::H2B-EYFP transgenic mice are viable and high levels of chromatin-localized reporter expression are maintained in endothelial cells of developing embryos and in adult animals upon breeding. The onset of fluorescence in differentiating ES cells and in embryos corresponds with the beginning of endothelial cell specification. These transgenic lines permit real-time imaging in normal and pathological vasculogenesis and angiogenesis to track individual cells and mitotic events at a level of detail that is unprecedented in the mouse.
ISSN: 1526-954X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Cardiovascular Sciences - miscellaneous
× corresponding author
# (joint) last author

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