CD (cluster of differentiation) markers are an extremely diverse series of leukocyte surface proteins. CD proteins serve as receptors and ligands, and regulate cell signaling, cell adhesion and adaptive immunity. CD molecules are commonly utilized in cell sorting techniques and cell populations are usually defined as either positive or negative, to indicate whether or not the cell fraction expresses a particular CD molecule. CD4 and CD8 (CD8 alpha and CD8 beta) are the most commonly employed CD markers; they are used as markers for helper and cytotoxic T cells, respectively.   All CD Marker Antibodies, Lysates, Proteins, and RNAi

---

Research Cloud — Top terms most co-occuring with "CD-1" in scientific publications. Click to explore.