Cultured Hippocampal Dentate Granule Cell (IMAGE) King's College London Caption This is a cultured hippocampal dentate granule cell, expressing the optogenetic tool channelrhodopsin-YFP cell-wide (green), and immunostained for the master AIS organising molecule ankyrin-G (magenta). Credit Mark Evans 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.