Dr Michael Chopin (IMAGE) Walter and Eliza Hall Institute Caption WEHI researcher Dr Michael Chopin have made a surprise discovery about how immune ‘sentinel’ cells are maintained, which could have implications for drugs in development for treating cancer. Credit WEHI Usage Restrictions None License Original 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.