Neurotransmitter That Helps Cancers Progress (image) Johns Hopkins Medicine Share Print E-Mail Caption Using human cancer cells, tumor and blood samples from cancer patients, researchers at Johns Hopkins Medicine have uncovered the role of a neurotransmitter in the spread of aggressive cancers. Neurotransmitters are chemical 'messengers' that transmit impulses from neurons to other target cells. Credit Anne Le Usage Restrictions None Share Print E-Mail 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.