B-Cell Activating Factor

**Definition:** A tumor necrosis factor superfamily member that plays a role in the regulation of B-LYMPHOCYTE survival. It occurs as a membrane-bound protein that is cleaved to release an biologically active soluble form with specificity to TRANSMEMBRANE ACTIVATOR AND CAML INTERACTOR PROTEIN; B-CELL ACTIVATION FACTOR RECEPTOR; and B-CELL MATURATION ANTIGEN.

**Tree numbers:** - D09.400.430.681 - D12.644.276.374.750.061 - D12.776.395.191 - D12.776.467.374.750.061 - D12.776.543.550.193 - D23.529.374.750.061

**Synonyms:** - TALL-1 Protein - THANK Protein - BAFF Ligand - BLyS Protein - B Cell Activating Factor - B Lymphocyte Stimulator - Antigens, CD257 - TNF and APOL-Related Leukocyte Expressed Ligand 1 - TNF Superfamily, Member 13b - Tumor Necrosis Factor Ligand Superfamily Member 13b - CD257 Antigens - CD257 Antigen - TNFSF13B Protein - B-Lymphocyte Activating Factor