Immunofluorescence image (IMAGE) Universitatsklinikum Bonn Caption Endothelial cells differentiated in the culture dish from ETV2 iso2 hiPSCs in red. The cell nuclei are blue. Credit University Hospital Bonn (UKB) / S. Rieck, Institute of Physiology 1 Usage Restrictions The impression in connection with the service is free, while the image specified author is mentioned. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.