Serotonin-Producing Neurons (IMAGE) University of Wisconsin-Madison Caption Human serotonin-producing neurons, generated from induced pluripotent stem cells, created in the lab of Su-Chun Zhang in the Waisman Center at the University of Wisconsin-Madison. Blue indicates cell nuclei, red and green show typical markers for these neurons, which produce a neurotransmitter that affects large parts of the brain. Credit Jianfeng Lu and Su-Chun Zhang, University of Wisconsin-Madison 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.