Neurochemical Cascade (IMAGE) University of Leicester Caption Newly discovered neurochemical cascade promoting stress-induced anxiety. Neuropsin interacts with cell membrane proteins NMDA and EphB2 to induce expression of the Fkbp5 gene. Credit University of Leicester Usage Restrictions Use only with credit 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.