Recombinant Human 4-1BBL Protein (Fc Tag)

Name: Recombinant Human 4-1BBL Protein (Fc Tag)
Brand: Beta LifeScience
SKU: BLA-10585P
Availability: InStock

Collections: Antibody / cell therapy targets, Antibody therapeutic / adc target proteins, Co-stimulatory receptors, Cytokines and growth factors, Featured immune checkpoint protein molecules, Immune checkpoint proteins, Recombinant proteins, Tumor necrosis factors and receptors (tnfs)

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Product Overview

Host Species	Human
Accession	P41273
Synonym	4 1BB L 4 1BB ligand 4 1BBL 4-1BB ligand 4-1BBL Cd137l Cd157l Homolog of mouse 4 1BB L Homolog of mouse 4 1BBL ILA ligand (TNF related) Ly63l Receptor 4 1BB ligand TNF superfamily member 9 TNFL9_HUMAN Tnfsf9 TNLG5A Tumor necrosis factor (ligand) superfamily member 9 Tumor necrosis factor ligand 5A Tumor necrosis factor ligand superfamily member 9 Tumor necrosis factor superfamily member 9
Description	Recombinant Human 4-1BBL Protein (Fc Tag) was expressed in Mammalian. It is a Protein fragment
Source	Mammalian
AA Sequence	MDPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVV DVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWL NGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVS LTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDK SRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKIEGRREGPELSPDDPAG LLDLRQGMFAQLVAQNVLLIDGPLSWYSDPGLAGVSLTGGLSYKEDTKEL VVAKAGVYYVFFQLELRRVVAGEGSGSVSLALHLQPLRSAAGAAALALTV DLPPASSEARNSAFGFQGRLLHLSAGQRLGVHLHTEARARHAWQLTQGAT VLGLFRVTPEIPAGLPSPRSE
Molecular Weight	46 kDa including tags
Purity	>95% SDS-PAGE.
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Formulation	Lyophilised
Stability	The recombinant protein samples are stable for up to 12 months at -80°C
Reconstitution	See related COA
Unit Definition	For Research Use Only
Storage Buffer	Shipped at 4°C. Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle.

Target Details

Target Function	Cytokine that binds to TNFRSF9. Induces the proliferation of activated peripheral blood T-cells. May have a role in activation-induced cell death (AICD). May play a role in cognate interactions between T-cells and B-cells/macrophages.
Subcellular Location	Membrane; Single-pass type II membrane protein.
Protein Families	Tumor necrosis factor family
Database References	HGNC: 11939 OMIM: 606182 KEGG: hsa:8744 STRING: 9606.ENSP00000245817 UniGene: Hs.1524
Tissue Specificity	Expressed in brain, placenta, lung, skeletal muscle and kidney.

Gene Functions References

CD137L-dendritic cells (CD137L-DCs) express high levels of adhesion molecules, display strong attachment. PMID: 27431276
TNFSF9 exerts an inhibitory effect on hepatocellular carcinoma and may be a tumor suppressor. PMID: 28547807
4-1BB and 4-1BBL qualify as markers for prediction of patients' course and represent a valuable screening target for patients with acute myeloid leukemia at initial diagnosis. PMID: 27388616
the results from this study show that the costimulatory 4-1BB ligand fortifies an antigen-rich melanoma cell line with enhanced antigen-specific stimulation of CD8 T cells PMID: 27564312
the role of CD137-CRDI (cysteine rich domain I) in the binding of CD137-CD137L was further investigated. PMID: 27430526
blocking of both OX-40L and 4-1BBL reversed radiation-enhanced T-cell killing of human tumor targets as well as T-cell survival and activation. PMID: 26872462
CD137L is overexpressed in non-small cell lung cancer specimens and positive expression of CD137L was associated with better overall survival. PMID: 25631633
In vitro immunotherapy is described for anti-prostate cancer effects of cytotoxic T lymphocytes induction by recombinant adenovirus mediated PSMA/4-1BBL dendritic cells. PMID: 26125931
vaccination with recombinant attenuated Salmonella harboring the CEACAM6 and 4-1BBL gene efficiently increased the number of CD3+CD8+ TIL and NK cells, decreased the number of FOXP3 cells and inhibited the development of DMH-induced colorectal cancer PMID: 25872647
Elevated plasma levels and monocyte-associated expression of CD137 ligand in patients with acute atherothrombotic stroke PMID: 24899613
Hence, the targeted combination of IL-15 and 4-BBL in the form of a trifunctional antibody-fusion protein is a promising new approach for cancer immunotherapy. PMID: 24198185
monocytes interact with iNKT cells to increase expression of 4-1BBL and 4-1BB, and in conjunction with this pathway, maintain their numbers at baseline. PMID: 24639347
TIRAP and IRAK2 are critical for the sustained inflammatory response that is mediated by late-phase signaling by the TLR-4-1BBL complex. PMID: 24084649
this is the first study to indicate that this member of the TNF superfamily, CD137, is modulated by SAHA treatment in breast PMID: 22797667
Data show that TNFR1 associates with CD137L and is required for CD137L reverse signaling. PMID: 23620528
CD137L is a novel diagnostic marker of subtypes of non-Hodgkin B-cell lymphomas. PMID: 23095505
signaling through CD137L in non-hematopoietic cells such as epithelial cells and endothelial cells has been shown to play an essential role in sterile inflammation by regulating immune cell recruitment. [Review] PMID: 22526397
Stimulation of non-adherent PBMC with OVCAR-3 cells expressing 4-1BB ligand (4-1BBL) or IL-12 resulted in preferential expansion of the NK cell population. PMID: 22021067
Data indicate that ex4-1BBL augments 4-1BB expression not only on the primed T cell, but also on DC. PMID: 21745658
The expression of CD137L might play an important role in the development of laryngeal carcinomas. PMID: 20422976
4-1BBL and TRAF1 in the CD8 T cell response to influenza virus and HIV PMID: 21153322
K562-MICA-4-1BBL-IL-15 cells would be developed for expansion of NK cells ex vivo and may have important implications for clinical immunotherapy. PMID: 20670353
These data point to a hitherto unrecognized role of CD137 and CD137 ligand in multiple myeloma cell biology. PMID: 20520765
TNFSF9 mRNA levels in peripheral blood mononuclear cells may be associated with primary biliary cirrhosis progression. PMID: 20303781
Cocultures of Natural killer (NK) cells with CD137L transfectants confirmed that human CD137 inhibits NK-cell reactivity, while activating signals were transduced by its counterpart on NK cells in mice. PMID: 20008791
the structure of the trimer of human 4-1BB ligand is unique among members of the tumor necrosis factor superfamily PMID: 20032458
4-1BBL and 4-1BB may have immunomodulatory functions, as shown by the anti-leukemia activity of MS-275 histone deacetylase inhibitor PMID: 19759901
4-1BBL provides a costimulatory signal for T cell activation, thereby allowing T cell expansion as well as cytokine production and the development of cytolytic effector function. PMID: 11994439
Stimulation of 4-1BBL on DCs with 4-1BB-Fc or with 4-1BB-transfected Jurkat cells resulted in acquisition of capacity for the immature DCs to produce IL-12, suggesting that 4-1BBL may be an important mediator for maturation of CD11c(+) myeloid DCs PMID: 12590704
4-1 BB ligand can costimulate human CD28- T cells, resulting in cell division, inflammatory cytokine production, increased perforin levels, enhancement of cytolytic effector function, as well as the up-regulation of the anti-apoptotic protein Bcl-X(L). PMID: 12645943
First evidence of expression and synthesis of CD137 and its ligand by human brain cells. PMID: 13130507
Data show that reverse signaling via 4-1BB-ligand enhanced interleukin-12beta mRNA and the secretion of IL-12 p70 in various antigen-presenting cells, including monocytes. PMID: 14746806
4-1BB/4-1BBL and Fas/FasL pathways play important roles in vascular injury in Takayasu's arteritis. PMID: 14752253
Data suggest that levels of soluble 4-1BB and 4-1BB ligand in sera at the time of diagnosis may be indicative of the severity and outcome of rheumatoid arthritis. PMID: 15031666
trimeric CD137L (4-1BBL) requires cross-linking for its T cell co-stimulation activity PMID: 16204238
Signaling through 4-1BB-L allows B cells to proliferate and the expression of its ligand, by the intra-tumoral mesh of follicular dendritic cells (FDC), could thus serve as a paracrine loop facilitating growth and survival of MCL cells PMID: 16287062
Significantly lower CD137 ligand is associated with colorectal cancer patients PMID: 16596186
Elevated plasma levels of 4-1BBL in multiple sclerosis patients may function as a self-regulatory mechanism of the 4-1BB/4-1BBL pathway involved in the disease process. PMID: 16970683
Here we document a function for the TNF family member 4-1BB ligand (4-1BBL) in sustaining TLR-induced TNF production PMID: 17496895
Reverse signalling by CD137 ligand is mediated by protein tyrosine kinases, p38 mitogen activated protein kinase (MAPK), extracellular signal-regulated kinase (ERK)1,2, MAP/ERK kinase (MEK), Phosphoinositide-3-kinase (PI3-K) and protein kinase A (PKA). PMID: 17855813
selective immunosuppression through MSCs may perhaps occur partly through an increase in CD137L+ on T-lymphocytes PMID: 17972956
T cells that had become non-responsive to anti-CD3 could be reactivated to proliferate when costimulated with 4-1BBL, either alone or combined with CD80/CD86. PMID: 17977894
CD80 and 4-1BBL induce auto- and transcostimulation in tumor cells PMID: 18026115
deliver new insights into the multiple effects of reverse signaling of CD137L in human DC during the initiation of an adaptive immune response PMID: 18395851
PGE(2) induced the expression of the costimulatory molecules OX40L, CD70, and 4-1BBL on human dendritic cells. PMID: 19029446
in cells costimulated with CD80/86 that had downregulated CD28 expression and ceased to proliferate, reactivation of proliferation by 4-1BBL costimulation also restored their CD28 expression PMID: 19217084
(c)4-1BBL can be expressed on mononuclear blood cells in acute myeloid leukemia, myelodysplasia or non-Hodgkin lymphoma and can be coexpressed on lymphoid or myeloid malignant cells and on dendritic cells differentiated from AML-blasts. PMID: 19225975
reverse signaling of 4-1BBL promotes the differentiation of potent T(h)1-inducing dendritic cells from human monocytes. PMID: 19684160

FAQs

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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.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.