Extracting RNA From a Single Cell (IMAGE) Salk Institute Caption Researchers use a small pipette (right) to extract and analyze the RNA of individual breast cancer cells to track a cancer cell line's evolution. Credit Salk Institute 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.