Kidneys (image) University of California - Santa Barbara Caption On the left is a normal mouse kidney. In the center is a polycystic mouse kidney. On the right is a polycystic mouse kidney after treatment with rapamycin. Credit UCSB Usage Restrictions None 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.