Key Product Details

Species Reactivity

Human

Applications

Western Blot, Flow Cytometry, Immunocytochemistry, CyTOF-ready

Label

DyLight 650 (Excitation = 652 nm, Emission = 672 nm)

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 2356B
View all 4-1BB/TNFRSF9/CD137 Primary Antibodies »

Product Specifications

Immunogen

Chinese hamster ovary cell line CHO-derived recombinant human 4‑1BB/TNFRSF9/CD137
Leu24-His183
Accession # Q07011

Specificity

Detects human 4‑1BB/TNFRSF9/CD137 in direct ELISAs.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Applications for 4-1BB/TNFRSF9/CD137 Antibody (2356B) [DyLight 650]

Application
Recommended Usage

CyTOF-ready

Optimal dilutions of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Immunocytochemistry

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

Plan Your Experiments

Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.

Spectra Viewer
Spectra Viewer

Flow Cytometry Panel Builder

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Advanced Features

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified from cell culture supernatant

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

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

Stability & Storage

Store at 4C in the dark.

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

Additional 4-1BB/TNFRSF9/CD137 Products

Product Documents for 4-1BB/TNFRSF9/CD137 Antibody (2356B) [DyLight 650]

Certificate of Analysis

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Product Specific Notices for 4-1BB/TNFRSF9/CD137 Antibody (2356B) [DyLight 650]

DyLight (R) is a trademark of Thermo Fisher Scientific Inc. and its subsidiaries.

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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Protocols

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