Human skin stem cells (IMAGE) University of Helsinki Caption The image depicts human skin stem cells from which new, liver-like cells have been differentiated. The hepatic biomarker APF produced by the differentiated cells is coloured red. The DNA of cell nuclei is displayed in blue. Credit University of Helsinki: Jalil, Keskinen et al. Usage Restrictions Can be used with credits when the content is related to this research. 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.