Image of the blood-brain barrier characterized by microvascular cerebral endothelial cells showing Factor VIII positivity (pseudo-coloured green) surrounded by astrocytic foot processes (pseudo-coloured red). The image is a maximum-intensity projection of a confocal z-series. Sample courtesy of Dr. S. Nag and R. Venugopalan (TWRI). Scale bar 10 μm.

For details see: Nag, S. (2003). Immunohistochemical detection of endothelial proteins. Methods Mol. Med. 89:489-501.