Recombinant Human BCMA Protein (N-6His-Flag)

Name: Recombinant Human BCMA Protein (N-6His-Flag)
Brand: Beta LifeScience
SKU: BL-2140NP
Availability: InStock

BL-2140NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

Collections: All products, Antibody / cell therapy targets, Antibody therapeutic / adc target proteins, Car-nk targets proteins, Featured immune checkpoint protein molecules, High-quality recombinant proteins, Immune checkpoint proteins, Recombinant cell therapy targets for car-t research

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Product Overview

Description	Recombinant Human Tumor Necrosis Factor Receptor Superfamily Member 17 is produced by our Mammalian expression system and the target gene encoding Met1-Ala54 is expressed with a 6His, Flag tag at the N-terminus.
Accession	Q02223
Synonym	Tumor necrosis factor receptor superfamily member 17; B-cell maturation protein; CD269; Tnfrsf17; Bcm; Bcma
Gene Background	B cell maturation antigen (BCMA) is a member of the TNF receptor superfamily. It has been designated TNFRSF17. Mouse BCMA is a 185 amino acid (aa) protein consisting of a 49 aa extracellular domain, a 23 aa transmembrane domain, and a 113 aa intracellular domain. BCMA is a type III membrane protein containing one extracellular cysteine rich domain. Within the TNFRSF, it shares the highest homology with TACI. BCMA and TACI have both been shown to bind to APRIL and BAFF, members of the TNF ligand superfamily. BCMA expression has been found in immune organs and mature B cell lines. Although some expression has been observed at the cell surface, BCMA appears to be localized to the Golgi compartment. The binding of BCMA to APRIL or BAFF has been shown to stimulate IgM production in peripheral blood B cells and increase the survival of cultured B cells. This data suggests that BCMA may play an important role in B cell development,function and regulation.
Molecular Mass	7.7 KDa
Apmol Mass	(11-14)&(16-26) KDa, reducing conditions
Formulation	Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Endotoxin	Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity	Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Biological Activity	Biologically active. Please contact us to obtain bioactivity data.
Reconstitution	Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Storage	Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
Shipping	The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below.
Usage	For Research Use Only

Target Details

Target Function	Receptor for TNFSF13B/BLyS/BAFF and TNFSF13/APRIL. Promotes B-cell survival and plays a role in the regulation of humoral immunity. Activates NF-kappa-B and JNK.
Subcellular Location	Cell membrane; Single-pass type III membrane protein. Endomembrane system; Single-pass type III membrane protein. Note=Perinuclear Golgi-like structures.
Database References	HGNC: 11913 OMIM: 109545 KEGG: hsa:608 STRING: 9606.ENSP00000053243 UniGene: PMID: 29087261 High BCMA expression is associated with primary central nervous system lymphoma. PMID: 28521029 soluble BCMA sequesters circulating BAFF, thereby preventing it from performing its signaling to stimulate normal B-cell and plasma cell development, resulting in reduced polyclonal antibody levels in multiple myeloma patients. PMID: 26960399 Studied expression of B-cell maturation antigen (BCMA) in osteoblasts and the toxic effect of chromium on its expression; found BCMA is involved in osteogenesis of osteoblasts; chromium downregulates expression of BCMA in osteoblasts. PMID: 26011700 BCMA has other contributors for ligands binding except DxL motif. The affinity of BCMA for APRIL higher than for BAFF may be caused by the segment outside of the conservative DxL motif. Moreover, the exposition of new binding modes of BCMA2 interacting with APRIL may establish the foundation of designing novel drugs in the future PMID: 28260502 New molecular mechanisms of in vivo Multiple Myeloma (MM) growth and immunosuppression critically dependent on BCMA and APRIL in the Bone marrow microenvironment, further supporting targeting this prominent pathway in MM. PMID: 27127303 We have identified a specific serum protein, BCMA, as a novel independent marker for both monitoring and predicting outcomes for MM patients. We have shown that sBCMA is elevated in MM patients, and can be used to follow their disease status, PFS and OS. PMID: 28034989 The expression levels of serum BAFF and the three receptors (TACI, BCMA and BAFF-R) in non-Hodgkin lymphoma patients were significantly higher than in healthy controls. PMID: 28028945 Decreased BCMA expression on peripheral B cells according to severe disease activity suggests that BCMA plays an important regulating role in B-cell hyperactivity and immune tolerance homeostasis in systemic lupus erythematosus patients PMID: 26424128 results suggest that Akt and JNK pathways are involved in the regulation of B-cell maturation antigen (BCMA) PMID: 26914861 shedding of BCMA by gamma-secretase controls plasma cells in the bone marrow and yields a potential biomarker for B-cell involvement in human autoimmune diseases PMID: 26065893 elevated serum levels in patients with Behcet's disease PMID: 25759827 Data show significant differences in expression of tumour necrosis factor family (BAFF) receptors BAFF-R, BCMA and TACI in patients with and without anti-Jo-1 or anti-Ro52/anti-Ro60 autoantibodies. PMID: 25301447 High BCMA expression is associated with breast cancer. PMID: 25750171 BAFF and APRIL as well as their cognate receptors (BCMA, TACI) correlate with glioma grade. (Meta-analysis) PMID: 24376672 The B cell maturation antigen (BCMA) is a tumor necrosis family receptor member that is predominantly expressed on terminally differentiated B cells and, upon binding to its ligands B cell activator of the TNF family and a proliferation inducing ligand. PMID: 23237506 Activation of B cells through BCMA regulates spinal cord injury-induced autoimmunity via a proliferation-inducing ligand (APRIL) and B-cell-activating factor (BAFF). PMID: 23088438 Data indicate that MAGE3, Survivin and B-cell maturation antigen (BCMA) mRNA-pulsed dendritic cells (DCs) are capable of stimulating tumor-associated antigens (TAA)-specific T-cell responses in multiple myeloma (MM) patients. PMID: 23728352 Data indicate that B-cell maturation antigen (BCMA) is a suitable target for chimeric antigen receptor (CAR)-expressing T cells, and adoptive transfer of anti-BCMA-CAR-expressing T cells is a promising new strategy for treating multiple myeloma. PMID: 23344265 B-cell maturation antigen (BCMA), an essential membrane protein for maintaining the survival of plasma cells, was identified as a glycoprotein exhibiting complex-type N-glycans at a single N-glycosylation site, asparagine 42. PMID: 23776238 the effect of APRIL is mediated via BCMA, which does not activate the classical NF-kappaB pathway, whereas it induces a novel signaling pathway, which involves JNK2 phosphorylation, FOXO3A activation, and GADD45 transcription PMID: 23071284 Serum BCMA levels were higher among patients with progressive disease than those with responsive disease. Overall survival was shorter among patients whose serum BCMA levels were above the median. PMID: 22804669 TNFRSF17 may be a candidate gene associated with the pathogenesis of colon cancer. PMID: 22108903 These data advance BCMA as an inflammation-related TNF superfamily member in keratinocytes, of potential importance in the management of inflammatory skin conditions. PMID: 22166983 primary leukemia B-cell precursors aberrantly express receptors of the BAFF-system, BAFF-R, BCMA, and TACI PMID: 21687682 This is the first study, presenting together the TNFSF members APRIL, BAFF, TWEAK and their receptors in different areas of normal renal tissue and renal cell carcinoma. PMID: 21483105 Signaling through BCMA enhances B cell activation following exposure to TLR9 agonists, and increased expression in SLE may contribute to the production of IgG autoantibodies. PMID: 21250838 genetic polymorphisms are associated with gastrointestinal disorders PMID: 20016944 Expression of BCMA, TACI, and BAFF-R by multiple myeloma cells support cell growth and survival. PMID: 14512299 APRIL.TACI_d2 and APRIL.BCMA complexes together reveal the mechanism by which TACI engages high affinity ligand binding through a single cysteine-rich domain PMID: 15542592 BCMA is a target of donor B-cell immunity in patients with myeloma who respond to Donor lymphocyte infusions PMID: 15692072 Review. APRIL interactions with BCMA likely govern memory B cell populations. PMID: 16919470 Review. Direct BAFF/APRIL signalling in T cells and/or T cell modulation in response to a BAFF-modified B cell compartment may play an important role in inflammation and immunomodulation. PMID: 16931039 The BCMA inhibited HRS cell accumulation in vitro and might attenuate HL expansion in vivo. PMID: 16960154 BCMA TVs were observed only in some CD19+ cell samples. PMID: 17825416 rheumatoid arthritis fibroblast like synoviocytes are stimulated by APRIL and express the APRIL receptor BCMA PMID: 17968879 Expression of B cell maturation Ag (BCMA) is also highly regulated and we demonstrate that BCMA expression is only acquired in MB cells and in a manner accompanied by loss of BAFF-R expression. PMID: 18025170 we observed APRIL expression, together with TACI and BCMA in gut-associated lymphoid tissue, lamina propria, and in the epithelium of stomach, small and large intestine, and rectum. PMID: 19741596

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

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