Rat liver portal triad
Normal rat liver portal triad. Endothelium stained with antibody to PECAM (CD31) and visualized with secondary antibodies conjugated to Cy3 (red). Vascular endothelial growth factor receptor-2 (FLK-1/KDR) stained with Alexa 488 (green). Colocalized signals are seen as yellow. Blue indicates nuclei stained with Hoechst's dye.
Mark A. Ross, Donna Stolz and Simon Watkins, Center for Biologic Imaging, University of Pittsburgh Medical School.
Chroma Technology Corp.