Universal GFP reporter for the study of vascular development

Summary: We report the generation and characterization of transgenic mouse and zebrafish expressing green fluorescent protein (GFP) specifically in vascular endothelial cells in a relatively uniform fashion. These reporter lines exhibit fluorescent vessels in developing embryos and throughout adulthood, allowing visualization of the general vascular patterns with single cell resolution. Furthermore, we show the ability to purify endothelial cells from whole embryos and adult organs by a single step fluorescence activated cell sorting. We expect that these transgenic reporters will be useful tools for imaging vascular morphogenesis, global gene expression profile analysis of endothelial cells, and high throughput screening for vascular mutations. genesis 28:75–81, 2000. © 2000 Wiley‐Liss, Inc.

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