CD69(redirected from Leukocyte surface antigen Leu-23)
a type II transmembrane protein present on platelets, CD4-positive or CD8-positive thymocytes, activated lymphocytes, and activated T or natural killer cells that functions as a signal transducer, enhancing cell activation and/or platelet aggregation.
Farlex Partner Medical Dictionary © Farlex 2012
CD69A gene on chromosome 12p13 that encodes a member of the calcium-dependent lectin superfamily of type-II transmembrane receptors, the expression of which is induced by T-cell activation. CD69 is involved in lymphocyte proliferation and acts as a signal-transmitting receptor in lymphocytes, natural killer (NK) cells and platelets.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.