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Definition: a transmembrane protein present on monocytes, platelets, megakaryocytes, the umbilical vein, small-vessel endothelium, reticulocytes, and mammary epithelium that may be involved in signal transduction; expressed in myeloproliferative disorders.

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