mGluR5 Availability (IMAGE) Proceedings of the National Academy of Sciences Caption mGluR5 availability linked to suicidal ideation (SI) in PTSD. Credit Image courtesy of Margaret T. Davis and Irina Esterlis. 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.