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Definition: a glycosylphosphatidylinositol-anchored protein present on B cells, pre-B cells, neutrophils, and a few thymocytes that may play a role in inducing B-cell proliferation and differentiation; expressed in patients with B-cell lymphomas and some with B-cell chronic lymphocytic leukemias.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.