Damaged Neurons in GI Tract (IMAGE) Columbia University Irving Medical Center Caption An autoimmune reaction in mice to a protein associated with Parkinson's disease damaged neurons in the GI tract, adding to evidence that the disease may get its start in the gut. Credit David Sulzer, Columbia University Irving Medical Center Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-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.