CD2

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CD2

a type I transmembrane protein found on thymocytes, T cells, and some natural killer cells that acts as a ligand for CD58 and CD59 and is involved in signal transduction and cell adhesion; expressed in T-cell acute lymphoblastic leukemia and T-cell lymphoma.

CD2

A cell adhesion molecule found on the surface of natural killer cells and T cells that is critical for stabilizing contacts between T cells and antigen-presenting cells. It is used clinically as a biomarker in the laboratory evaluation of some leukemias and lymphomas.
See: cluster of differentiation

CD2

cluster of differentiation or cell differentiation glycoproteins.

CD antigen
a group of cell surface molecules which act as markers on T lymphocytes.
CD3
found on T helper (Th) and T cytotoxic (Tc) lymphocytes; associated with signal transduction.
CD4
found on T helper lymphocytes; an adhesion molecule that binds to class II MHC molecules.
CD8
found on T cytotoxic and variably on NK lymphocytes; an adhesion molecule that binds to class I MHC molecules.