BCMA (B cell maturation) is a nonglycosylated integral membrane type I protein that is preferentially expressed in mature B lymphocytes and belongs structurally to the TNF receptor family. BCMA associates with BAFF, APRIL, TNF receptor-associated factor (TRAF) 1, TRAF2, and TRAF3 and activates NF-κB, Elk-1, c-Jun N-terminal kinase (JNK), and p38 mitogen-activated protein kinase. BCMA plays an important role in B cell development, function and regulation.
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Figure: Immunostaining of HEK 293 cells transfected with a human BCMA expression plasmid (left panel), or mock transfected (right panel). Method: 3 days after transfection of cells with the indicated constructs, cells were fixed with acetone or 4% formaldehyde for 5 min. at room temperature. Slides were blocked with normal IgG, and incubated for 1 hour with 5µg/ml MAb to BCMA (human) (Vicky-1) (Prod. No. ALX-804-151) in 1% BSA in 1x PBS. After washes in PBS, samples were incubated with the secondary antibody for 1 hour, washed in PBS and revealed with StreptABComplex/HRP (Vector) and AEC.

Figure: Detection of endogenous human BCMA with MAb to BCMA (human) (Vicky-1) (Prod. No. ALX-804-151).Method: U266 cells (2×105) were incubated on ice for 30 min. with 0.2µg of MAb to BCMA (human) (Vicky-1) or an isotype control in 25µl FACS buffer (PBS, 5% fetal calf serum, 0.02% azide). The primary antibody was revealed with PAb to Rat IgG (R-PE) and then analyzed by flow cytometry.



Product Details
Alternative Name |
B cell maturation protein, TNFRSF 17, CD269 |
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Application |
ELISA, Flow Cytometry, FUNC, ICC, WB |
Application Notes |
Functional Application: blocks binding of BAFF to human BCMA. |
Clone |
Vicky-1 |
Crossreactivity |
Does not cross-react with mouse BCMA. |
Formulation |
Liquid. In PBS containing 0.02% sodium azide. |
Host |
Rat |
Immunogen |
Recombinant human BCMA extracellular domain (aa 2-54) (Prod. No. ALX-522-026). |
Isotype |
IgG1 |
Purity Detail |
Protein G-affinity purified. |
Recommendation Dilutions/Conditions |
Western Blot (1:1,000, colorimetric)Suggested dilutions/conditions may not be available for all applications.Optimal conditions must be determined individually for each application. |
Source |
Purified from ascites. |
Species Reactivity |
Human |
UniProt ID |
Q02223 |
Worry-free Guarantee |
This antibody is covered by our Worry-Free Guarantee. |
Handling & Storage
Handling |
Avoid freeze/thaw cycles. |
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Short Term Storage |
-20°C |
Long Term Storage |
-20°C |
Shipping |
Blue Ice |
Regulatory Status |
RUO – Research Use Only |
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- APRIL binding to BCMA activates a JNK2-FOXO3-GADD45 pathway and induces a G2/M cell growth arrest in liver cells: G. Notas, et al.; J. Immunol. 189, 4748 (2012), Application(s): ICC, IHC / Reactant(s) Human, Abstract
- Detection of the TNFSF members BAFF, APRIL, TWEAK and their receptors in normal kidney and renal cell carcinomas: V. Pelekanou, et al.; Anal. Cell. Pathol. (Amst.) 34, 49 (2011), Application(s): IHC / Reactant(s) Human, Abstract
- Cell to Cell Interaction Can Activate Membrane-bound APRIL Which Are Expressed on Inflammatory Macrophages: L. Sang-Min, et at.; Immune Netw. 10, 173 (2010), Application(s): Flow Cytometry, Abstract — Full Text
- The rGel/BLyS fusion toxin inhibits diffuse large B-cell lymphoma growth in vitro and in vivo: M.A. Lyu, et al.; Neoplasia 12, 366 (2010), Abstract
- Autoantibody-producing RP105(-) B cells, from patients with systemic lupus erythematosus, showed more preferential expression of BCMA compared with BAFF-R than normal subjects: S. Koarada, et al.; Rheumatology (Oxford) 49, 662 (2010), Application(s): Flow Cytometry / Reactant(s) Human, Abstract — Full Text
- Adipocytes as immune cells: differential expression of TWEAK, BAFF, and APRIL and their receptors (Fn14, BAFF-R, TACI, and BCMA) at different stages of normal and pathological adipose tissue development: V.I. Alexaki, et al.; J. Immunol. 183, 5948 (2009), Application(s): ICC-IF, IHC / Reactant(s) Human, Abstract
- Expression of TNF-superfamily members BAFF and APRIL in breast cancer: Immunohistochemical study in 52 invasive ductal breast carcinomas: V. Pelekanou, et al.; BMC Cancer 8, 76 (2008), Application(s): IHC / Reactant(s) Human, Abstract — Full Text
- APRIL secreted by neutrophils binds to heparan sulfate proteoglycans to create plasma cell niches in human mucosa: Huard, B., McKee, T., et al.; J. Clin. Invest. 118, 2887 (2008), Abstract
- TACI regulates IgA production by APRIL in collaboration with HSPG: D. Sakurai, et al.; Blood 109, 2961 (2007), Abstract
Related Products

Alternative Name | TNFRSF 17, B cell maturation protein, CD269 |
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Purity | ≥95% (SDS-PAGE) |
Source | Produced in HEK 293 cells. The extracellular domain of human BCMA (aa 2-54) is fused at the C-terminus to the Fc portion of human IgG1. |

Alternative Name | B cell maturation protein, TNFRSF 17, CD269 |
---|---|
Application | Flow Cytometry |
Host | Rat |
Isotype | IgG1 |
Species Reactivity | Human |

Alternative Name | B cell maturation protein, TNFRSF 17, CD269 |
---|---|
Application | Flow Cytometry |
Host | Rat |
Isotype | IgG1 |
Species Reactivity | Human |
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