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Nat Protoc. 2010 Sep;5(9):1518-34. doi: 10.1038/nprot.2010.113. Epub 2010 Aug 12.

Inducible gene targeting in the neonatal vasculature and analysis of retinal angiogenesis in mice.

Author information

1
Department of Tissue Morphogenesis, Faculty of Medicine, Max Planck Institute for Molecular Biomedicine, University of Münster, Münster, Germany. mara.pitulescu@mpi-muenster.mpg.de

Abstract

The retina is a powerful experimental system for the analysis of angiogenic blood vessel growth in the postnatal organisms. The three-dimensional architecture of the vessel network and processes as diverse as endothelial cell (EC) proliferation, sprouting, perivascular cell recruitment, vessel remodeling or maturation can be investigated at high resolution. The characterization of physiological and pathological angiogenic processes in mice has been greatly facilitated by inducible and cell type-specific loss-of-function and gain-of-function genetics. In this paper, we provide a detailed protocol for tamoxifen-inducible gene deletion in neonatal mice, as well as for retina dissection, whole-mount immunostaining and the quantitation of EC sprouting and proliferation. These methods have been optimized by our laboratory and yield reliable results. The entire protocol takes approximately 10 d to complete.

PMID:
20725067
DOI:
10.1038/nprot.2010.113
[Indexed for MEDLINE]

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