CD45

(redirected from CD45 antigen)

CD45

a type I transmembrane protein present on all hemopoietic cells (except erythrocytes) that assists in cell activation; expressed in lymphomas, B-cell chronic lymphocytic leukemia, hairy cell leukemia, and acute nonlymphocytic leukemia.
References in periodicals archive ?
CD45 is a protein antigen expressed on all haemopoietic white cells and "gating" the CD45 antigen positive cells in each sample was performed as part of the DHR assay in this study.
Lack of CD45 antigen on blast cells in childhood acute lymphoblastic leukemia is associated with chromosomal hyperdiploidy and other favorable prognostic features.