CD27/TNFRSF7 Antibody (O323) [mFluor Violet 610 SE]

Novus Biologicals, part of Bio-Techne | Catalog # NBP1-43426MFV610

Clone O323 was used by HLDA to establish CD designation.
Novus Biologicals, part of Bio-Techne
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Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry

Label

mFluor Violet 610 SE (Excitation = 421 nm, Emission = 613 nm)

Antibody Source

Monoclonal Mouse IgG1 kappa Clone # O323

Concentration

Concentrations vary lot to lot. See vial label for concentration. If unlisted please contact technical services.

View all CD27/TNFRSF7 Antibodies »

Product Specifications

Immunogen

The immunogen for this antibody was CD27.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1 kappa

Scientific Data Images for CD27/TNFRSF7 Antibody (O323) [mFluor Violet 610 SE]

CD27/TNFRSF7 Antibody (O323) [mFluor Violet 610 SE]

CD27/TNFRSF7 Antibody (O323) [mFluor Violet 610 SE] [NBP1-43426MFV610] -

CD27/TNFRSF7 Antibody (O323) [mFluor Violet 610 SE] [NBP1-43426MFV610] - Vial of mFluor Violet 610 conjugated antibody. mFluor Violet 610 is optimally excited at 421 nm by the Violet laser (405 nm) and has an emission maximum of 613 nm.

Applications for CD27/TNFRSF7 Antibody (O323) [mFluor Violet 610 SE]

Application
Recommended Usage

Flow Cytometry

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

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Concentrations vary lot to lot. See 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: CD27/TNFRSF7

CD27, also referred to as tumor necrosis factor receptor superfamily, member 7 (TNFRSF7), is a type I transmembrane glycoprotein that functions as a co-stimulatory T cell receptor and is expressed on the surface of T cells, natural killer (NK) cells, and B cells (1,2). The human CD27 protein is 260 amino acids (aa) in length and consists of a 19 aa signal sequence, 172 aa extracellular domain (ECD) containing three characteristic cysteine-rich domains (CRDs), a 21 aa helical transmembrane region, and a 48 aa cytoplasmic tail domain (3,4). The CD27 protein has a theoretical molecular weight (MW) of 29 kDa, but is typically is closer to 50-55 kDa due to N-linked and O-linked glycosylation (3). Mouse CD27 cDNA encodes a 250 aa protein with a theoretical molecular weight of 28 kDa (5). Human CD27 shares ~64% aa sequence identity with mouse CD27 protein.

Membrane-bound CD27 is expressed as a disulfide-linked homodimer (3). CD27 binds to the ligand CD70, a transmembrane glycoprotein that is transiently expressed on activated immune cells such as antigen presenting cells (APCs), dendritic cells (DCs), NK cells, B cells, and T cells (1,2,6,7). The receptor-ligand binding interaction leads to NFkappaB and c-Jun pathway activation which promotes immune stimulation and activation and survival of CD4+ T cells, CD8+ T cells, memory T cells, and NK cells (2,6,7). Both CD27 and CD70 are often abnormally expressed or dysregulated on malignant and cancer cells leading to immune evasion and tumor progression (7). CD27 has become a target of interest of immunotherapies for viral infections, autoimmune disease, and cancer (2). Varlilumab, an agonistic CD27 monoclonal antibody (mAB), has entered clinical trials for the treatment of hematological and solid tumor cancers (1,6). Additional clinical trials are in process that combine varlilumab with other immune checkpoint inhibitors like the programmed cell death protein-1 (PD-1) blocking mAb nivolumab (1,2). Initial results are promising, suggesting that targeting CD27, especially in combination with other therapeutics, may be a promising and effective immunotherapy for a variety of pathologies (1,2,6).

References

1. Starzer AM, Berghoff AS. New emerging targets in cancer immunotherapy: CD27 (TNFRSF7). ESMO Open. 2020;4(Suppl 3):e000629. https://doi.org/10.1136/esmoopen-2019-000629

2. Grant EJ, Nussing S, Sant S, Clemens EB, Kedzierska K. The role of CD27 in anti-viral T-cell immunity. Curr Opin Virol. 2017;22:77-88. https://doi.org/10.1016/j.coviro.2016.12.001

3. Buchan SL, Rogel A, Al-Shamkhani A. The immunobiology of CD27 and OX40 and their potential as targets for cancer immunotherapy. Blood. 2018;131(1):39-48. https://10.1182/blood-2017-07-741025

4. Uniprot (P26842)

5. Uniprot (P41272)

6. van de Ven K, Borst J. Targeting the T-cell co-stimulatory CD27/CD70 pathway in cancer immunotherapy: rationale and potential. Immunotherapy. 2015;7(6):655-667. https://doi.org/10.2217/imt.15.32

7. Flieswasser T, Van den Eynde A, Van Audenaerde J, et al. The CD70-CD27 axis in oncology: the new kids on the block. J Exp Clin Cancer Res. 2022;41(1):12. https://doi.org/10.1186/s13046-021-02215-y

Alternate Names

CD27, TNFRSF7

Gene Symbol

CD27

Additional CD27/TNFRSF7 Products

Product Documents for CD27/TNFRSF7 Antibody (O323) [mFluor Violet 610 SE]

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

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Product Specific Notices for CD27/TNFRSF7 Antibody (O323) [mFluor Violet 610 SE]

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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