Foxo1 (IMAGE) Osaka University Caption Without Foxo1, germinal center structure is disorganized and mice could not produce high affinity antibodies against foreign antigens. Credit Osaka University 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.