Image 2 (IMAGE) Tokyo Medical and Dental University Caption B-cell lymphomas developed in the lymph nodes of miR-146a and miR-146b KO mice. A: Lymphoma observed in the lymph nodes of miR-146a KO mice. B: Lymphoma observed in the lymph nodes of miR-146b KO mice. 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.