ICOS Ligand

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** ICOS ligand (302 aa, ~33 kDa) is encoded by the human ICOSLG gene. This protein is involved in lymphocyte proliferation, costimulation of T-cells and the modulation of B-cell proliferation and differentiation.

**Synonyms:** - B7 Homologue 2 - B7-H2 - B7-Like Protein Gl50 - B7-Related Protein 1 - B7RP-1 - CD275 - CD275 Antigen - Transmembrane Protein B7-H2 - Transmembrane Protein B7-H2 ICOS Ligand