Blood Stem Cells (IMAGE) Fred Hutchinson Cancer Center Caption This is a microscopy image of blood stem cells that will go through CRISPR/Cas9 gene editing in a lab dish. Credit Kiem lab / Fred Hutchinson Cancer Research Center Usage Restrictions with credit License Licensed 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.