Neurons and medulloblastoma cells (IMAGE) Keck School of Medicine of USC Caption The image depicts neurons (green) in co-culture with medulloblastoma cells (red). Phenotypically, two contrasting cell types - the former normal and quiescent, while the latter cancerous and proliferating. Martirosian et al., through the perspective of cancer neuroscience, now provide evidence that rare cells in this pediatric brain tumor masquerade like quiescent neurons and exploit a neurotransmitter metabolic pathway to survive in the cerebrospinal fluid and promote leptomeningeal metastases. Credit Vahan Martirosian, Josh Neman 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.