Plasma Cells Provide the First Hint (image) Biomedical Sciences Institutes (BMSI) Caption Plasma cells (red) while continuing to be produced in the absence of SHP1, are scattered (bottom image) and provide the first hint of inability to migrate to the survival niche of the bone marrow. The top image depicts normal plasma cells that contain SHP1. Credit A*STAR BTI Usage Restrictions None 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.