Image 1 (IMAGE) Tokyo Medical and Dental University Caption miR-146b knockout (KO) mice developed hematopoietic malignancy. Credit Department of Systems BioMedicine, TMDU 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.