Kidney images (IMAGE) Massachusetts Institute of Technology Caption The cysts that appear in ADPKD cause kidneys to enlarge until they no longer function properly (center image). At the right is a kidney following treatment with the new compound, which has shrunk to a size similar to that of an undiseased kidney (left). Credit MIT Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.