Fig. 1 (IMAGE) Osaka University Caption Most of plasma cells that arrive at bone marrow are short-lived B220(hi) MHC-II(hi) cells. A small fraction of them become immobilized to bone marrow niches and progressively differentiate into long-lived B220(lo) MHC-II(lo) cells. Credit Koike et al. Usage Restrictions Cannot be used without permission. 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.