Graphical Abstract (IMAGE) Cincinnati Children's Hospital Medical Center Caption Researchers at Cincinnati Children's and the University of Cincinnati discover cellular signatures of organ rejection that appear detectable in a urine test. Findings were published in the Journal of Clinical Investigation. Credit Journal of Clinical Investigation, Cincinnati Children's and the University of Cincinnati Usage Restrictions none 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.