CD Markers
CD226

Author: Nat Pernick, M.D. (see Authors page)

Revised: 7 Janaury 2016, last major update February 2002

Copyright: (c) 2002-2016, PathologyOutlines.com, Inc.

PubMed Search: CD226 or DNAM-1 or Platelet and T cell Activation antigen 1 (PTA1)
Definition / General
  • Aka DNAM-1, Platelet and T cell Activation antigen 1 (PTA1)
  • Mediates adhesion to an unknown ligand
  • T cell expression increased in some patients with autoimmune disease and viral infection
Positive Staining - Normal
  • NK cells, platelets, monocytes, subset of B and T cells
Negative Staining
  • Granulocytes, erythrocytes