Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Confocal image of a Xenopus laevis egg imaged at 119 min post fertilization. The embryos are stained for alpha-tubulin (green) and gamma-tubulin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red)

Patient-derived glioma stem cells treated with a PLK1 (serine/threonine-protein kinase) inhibitor and stained for nuclei (blue), alpha-tubulin (green), phospho-histone H3 (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red).

Human umbilical vein endothelial cells stained initially for nuclei with DAPI (blue) and for vascular endothelial cadherin (red)

Differentiated human induced pluripotent stem cells (iPSCs) following differentiation protocol. Cell nuclei were stained with DAPI (blue), nestin (red) and beta3-tubulin/Tuj1 (green). Note the fate de...