Stem cells (IMAGE) University of California - Davis Health Caption Staining of the neural stem and progenitor cells in the fetal brain transfected by Cre mRNA delivered by LNPs Credit UC Regents Usage Restrictions Use with proper caption and credit 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.