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Tabalumab neutralises soluble and membrane-bound BAFF, inhibiting BAFF binding to BR3, TACI and BCMA. Eight mice producing serum antibody titers to human BAFF were injected intravenously with 10 µg human BAFF in phosphate buffered saline. The spleen was harvested 3 days later from each mouse and fused with myeloma cells. 20 Hybridomas were tested for specific binding to human BAFF and to make sure they were expressing human immunoglobulin heavy and light chains by enzyme-linked immunosorbent assay (ELISA). The hybridoma producing the antibody that eventually became tabalumab was a human IgG1 isotype. The antibody was then engineered to a human IgG4 isotype for complete neutralization of BAFF without depletion of BAFF-expressing cells.
MA5-51589 is a chimeric antibody. The variable regions from one species have been grafted to the backbone of the other species.
BAFF is a membrane bound cytokine expressed by B cell lineage cells. The soluble form of the cytokine binds to the receptors TNFRSF13B/TACI, TNFRSF17/BCMA, and TNFRSF13C/BAFFR. BAFF is a potent B cell activator, and important for the proliferation and differentiation of B cells. BAFF is also expressed by T lymphocytes and has been shown to promote T cell activation and survival. Isoforms representing alternatively spliced, and glycosylated variants have been identified.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: ApoL related ligand TALL-1; B lymphocyte stimulator; B-cell activating factor; B-cell-activating factor; B-lymphocyte stimulator; BAFF; BLyS; CD257; delta BAFF; Delta4 BAFF; Dendritic cell-derived TNF-like molecule; epididymis secretory sperm binding protein; TALL-1; TNF and ApoL-related leukocyte expressed ligand 1; TNF homolog that activates apoptosis; TNF ligand superfamily member; TNF- and APOL-related leukocyte expressed ligand 1; TNF-like cytokine; TNFSF13B; tumor necrosis factor (ligand) superfamily, member 13b; tumor necrosis factor (ligand) superfamily, member 20; tumor necrosis factor ligand 7A; Tumor necrosis factor ligand superfamily member 13B; tumor necrosis factor superfamily member 13b; tumor necrosis factor-like protein ZTNF4
基因别名: BAFF; BLYS; CD257; DTL; TALL-1; TALL1; THANK; TNFSF13B; TNFSF20; TNLG7A; UNQ401/PRO738; ZTNF4
UniProt ID: (Human) Q9Y275
Entrez Gene ID: (Cynomolgus monkey) 102123214, (Rabbit) 100101577, (Human) 10673