CRISPR-edited Cells (image) Children's Hospital of Philadelphia Share Print E-Mail Caption CRISPR-edited lung cells (green) with fluorescent protein. Many, but not all, are alveolar type 2 cells. Credit Penn Medicine Usage Restrictions None Share Print E-Mail 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.