Neuron Cells (IMAGE) Johns Hopkins Medicine Caption Collage of neuron cells used in this study. Neurons here are expressing a protein that fluoresces upon binding bilirubin. Credit Chirag Vasavda Usage Restrictions None 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.