4-1BB/TNFRSF9/CD137 Antibody (utomilumab) - IgG2SA

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-28208

Recombinant Monoclonal Antibody
Novus Biologicals, part of Bio-Techne

Key Product Details

Species Reactivity

Human

Applications

ELISA, Flow Cytometry, Functional

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Human IgG2 Clone # utomilumab

Concentration

LYOPH mg/ml

View all 4-1BB/TNFRSF9/CD137 Antibodies »

Product Specifications

Immunogen

TNFRSF9 / 4-1BB / CD137

Clonality

Monoclonal

Host

Human

Isotype

IgG2

Endotoxin Level

< 0.001EU/ug,determined by LAL method.

Description

Expressed from CHO. The heavy chain type is huIgG2, and the light chain type is hulambda. It has a predicted MW of 145.0 kDa.

Also known as 'utomilumab'.

IgG2SA is human IgG2 with S378A mutation.

Upon receipt, store immediately at -20C or lower for 24 months in a lyophilized state. - 80C for 3 months after reconstitution. Avoid repeated freeze-thaw cycles.

Scientific Data Images for 4-1BB/TNFRSF9/CD137 Antibody (utomilumab) - IgG2SA

4-1BB/TNFRSF9/CD137 Antibody (utomilumab) - IgG2SA

ELISA: 4-1BB/TNFRSF9/CD137 Antibody (utomilumab) - IgG2SA[NBP3-28208] -

Immobilized human TNFRSF9 / 4-1BB / CD137, His Tag at 2 ug/mL can bind utomilumab, EC50=0.006915 ug/mL.

Applications for 4-1BB/TNFRSF9/CD137 Antibody (utomilumab) - IgG2SA

Application
Recommended Usage

ELISA

Optimal dilutions of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Functional

Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A purified

Reconstitution

Reconstitute with sterile, distilled water to a final concentration of 1 mg/ml. Gently shake to solubilize completely. Do not vortex.

Formulation

Lyophilized from 25mM histidine, 8% sucrose, 0.01% Tween80 (pH6.2)

Preservative

No Preservative

Concentration

LYOPH mg/ml

Shipping

The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C.

Background: 4-1BB/TNFRSF9/CD137

4-1BB, also called CD137 and tumor necrosis factor receptor superfamily member 9 (TNFRSF9), is a type I surface glycoprotein expressed on activated T cell and natural killer (NK) cells (1,2). Human 4-1BB protein is 255 amino acids (aa) in length with a theoretical molecular weight of 28 kDa. It contains an extracellular domain, a helical transmembrane domain, and a cytoplasmic/intracellular domain (3). 4-1BB/TNFRSF9/CD137 is a costimulatory receptor that binds the ligand 4-1BBL/CD137L which is primarily expressed on antigen presenting cells (APCs) such as dendritic cells (DCs), macrophages, and B cells (1,2,4,5). The 4-1BB receptor-ligand interaction results in recruitment of TNFR-associated factor (TRAF) family adaptor proteins to 4-1BB's cytoplasmic domain (1,2,4,5). TRAF1, TRAF2, and TRAF3 are found in various homodimer and/or heterodimer configurations. Their recruitment to 4-1BB/CD137 initiates signalosome formation as well as activation of the nuclear factor-kappa B (NF-kappaB) and mitogen-activated protein kinase (MAPK) signaling cascade (1,4,5). 4-1BB/TNFRSF9/CD137 stimulation leads to increased cellular cytotoxic activity and pro-inflammatory cytokine production (1,2,4). Given its role in immune cell activation, 4-1BB has become a promising target for cancer immunotherapy (1,2,4). Current approaches to target 4-1BB include agonistic monoclonal and bispecific anti-4-1BB antibodies and well as utilizing the cytoplasmic domain of 4-1BB in generating chimeric antigen receptors (CARs) (1,2,4). 4-1BB agonists in clinical trials include Urelumab and Utolimumab. Utolimumab also has ligand blocking properties whereas Urelumab does not (1,2,4). Anti-4-1BB monoclonal antibodies are being tested as monotherapy as well as combination therapy with either other immunostimulatory monoclonal antibodies or with checkpoint blockade antibodies like anti-PD-1 (1,2,4).

References

1. Etxeberria, I., Glez-Vaz, J., Teijeira, A., & Melero, I. (2020). New emerging targets in cancer immunotherapy: CD137/4-1BB costimulatory axis. ESMO open, 4(Suppl 3), e000733. https://doi.org/10.1136/esmoopen-2020-000733

2. Chester, C., Sanmamed, M. F., Wang, J., & Melero, I. (2018). Immunotherapy targeting 4-1BB: mechanistic rationale, clinical results, and future strategies. Blood, 131(1), 49-57. https://doi.org/10.1182/blood-2017-06-741041

3. Uniport (Q07011)

4. Chester, C., Ambulkar, S., & Kohrt, H. E. (2016). 4-1BB agonism: adding the accelerator to cancer immunotherapy. Cancer Immunology, Immunotherapy: CII, 65(10), 1243-1248. https://doi.org/10.1007/s00262-016-1829-2

5. Zapata, J. M., Perez-Chacon, G., Carr-Baena, P., Martinez-Forero, I., Azpilikueta, A., Otano, I., & Melero, I. (2018). CD137 (4-1BB) signalosome: complexity is a matter of TRAFs. Frontiers in Immunology, 9, 2618. https://doi.org/10.3389/fimmu.2018.02618

Alternate Names

41BB, CD137, ILA, TNFRSF9

Gene Symbol

TNFRSF9

UniProt

Q07011

Additional 4-1BB/TNFRSF9/CD137 Products

Product Documents for 4-1BB/TNFRSF9/CD137 Antibody (utomilumab) - IgG2SA

Product Datasheets

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Product Specific Notices for 4-1BB/TNFRSF9/CD137 Antibody (utomilumab) - IgG2SA

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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