B7 Antigens

**Definition:** A family of cell-surface proteins found on ANTIGEN-PRESENTING CELLS. B7 antigens are ligands for specific cell surface receptor subtypes found on T-CELLS. They play an immunomodulatory role by stimulating or inhibiting the T-CELL activation process.

**Tree numbers:** - D12.776.467.150 - D12.776.543.095 - D23.050.301.285 - D23.529.168

**Synonyms:** - B7 Antigen - Antigen, B7 - B7 Costimulatory Molecules - B7 Molecules - B-7 Antigen