Red Haze (IMAGE) Netherlands Institute for Neuroscience - KNAW Caption The image shows expression of TBR1, a transcription factor protein important in vertebrate embryo development. A fluorescent protein tag allowed inspection of TBR1 in the embryonic mouse cortex. Credit Nicki Coveña, University of Amsterdam Usage Restrictions The image may only be used with the appropriate credits 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.