LTRI Image (IMAGE) Lunenfeld-Tanenbaum Research Institute Caption Study senior author, Dr. Kathy Siminovitch, senior investigator at the Lunenfeld-Tanenbaum Research Institute (LTRI) and Canada Research Chair in the Mechanisms Regulating Immunologic Disease, is seen here in this undated file photo. Credit Sinai Health 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.