Researchers Investigate Star-Shaped Brain Cells (image) NIH/National Institute of Neurological Disorders and Stroke Share Print E-Mail Caption NIH-funded researchers used 3-D collections of brain tissue grown from human cells to study the brain's star-shaped astrocytes. Credit Image courtesy of Sergiu Pasca, M.D., Stanford University. Usage Restrictions for educational purposes only 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.