CD27/TNFRSF7 Antibody (JB40-98)

Novus Biologicals | Catalog # NBP2-75434

Recombinant Monoclonal Antibody
Novus Biologicals
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Key Product Details

Species Reactivity

Human, Rat

Applications

Immunohistochemistry-Paraffin, Western Blot, Flow Cytometry, Immunocytochemistry/ Immunofluorescence

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # JB40-98 expressed in HEK293
View all CD27/TNFRSF7 Primary Antibodies »

Product Specifications

Immunogen

Synthetic peptide corresponding to Human CD27/TNFRSF7 aa 51-100 / 260. (SwissProt: P26842 Human; SwissProt: Q501W2 Rat)

Localization

Membrane.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Theoretical MW

29 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Scientific Data Images for CD27/TNFRSF7 Antibody (JB40-98)

Western Blot: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Western Blot: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Western Blot: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434] - Analysis of CD27 on Raji cell using anti-CD27 antibody at 1/500 dilution.
Immunocytochemistry/ Immunofluorescence: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Immunocytochemistry/ Immunofluorescence: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Immunocytochemistry/Immunofluorescence: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434] - Staining CD27 in K562 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.
Immunohistochemistry-Paraffin: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Immunohistochemistry-Paraffin: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Immunohistochemistry-Paraffin: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434] - Analysis of paraffin-embedded rat spleen tissue using anti-CD27 antibody. Counter stained with hematoxylin.
Flow Cytometry: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Flow Cytometry: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Flow Cytometry: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434] - Analysis of Daudi cells with CD27 antibody at 1/100 dilution (red) compared with an unlabelled control (cells without incubation with primary antibody; black). Alexa Fluor 488-conjugated goat anti rabbit IgG was used as the secondary antibody.
Immunohistochemistry-Paraffin: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Immunohistochemistry-Paraffin: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434]

Immunohistochemistry-Paraffin: CD27/TNFRSF7 Antibody (JB40-98) [NBP2-75434] - Analysis of paraffin-embedded human tonsil tissue using anti-CD27 antibody. Counter stained with hematoxylin.

Applications for CD27/TNFRSF7 Antibody (JB40-98)

Application
Recommended Usage

Flow Cytometry

1:50-1:100

Immunocytochemistry/ Immunofluorescence

1:50-1:200

Immunohistochemistry-Paraffin

1:50-1:200

Western Blot

1:500-1:1000

Flow Cytometry Panel Builder

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

TBS (pH7.4), 0.05% BSA, 40% Glycerol

Preservative

0.05% Sodium Azide

Concentration

1 mg/ml

Shipping

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

Stability & Storage

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

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 (JB40-98)

Certificate of Analysis

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Product Specific Notices for CD27/TNFRSF7 Antibody (JB40-98)

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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