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Definition: a type I transmembrane protein, present on neutrophils, histiocytes, some myeloid progenitor cells, and the brush border of colonic epithelial cells; facilitates adhesion and neutrophilic activation; expressed in chronic myelocytic leukemia and some cases of acute lymphocytic leukemia.

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