TCR gamma/delta Antibody (5A6.E9)

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-22489

Novus Biologicals, part of Bio-Techne
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NBP2-22489
NBP2-22489-50ug
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Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry, Immunohistochemistry, Immunohistochemistry-Frozen, Immunoprecipitation

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 5A6.E9

Concentration

0.15 mg/ml

View all TCR gamma/delta Antibodies »

Product Specifications

Immunogen

Human leukemic PEER cells

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for TCR gamma/delta Antibody (5A6.E9)

Flow Cytometry: TCR gamma/delta Antibody (5A6.E9) [NBP2-22489]

Flow Cytometry: TCR gamma/delta Antibody (5A6.E9) [NBP2-22489]

Flow Cytometry: TCR gamma/delta Antibody (5A6.E91) [NBP2-22489] - Analysis of TCR Pan TCR gamma delta in Jurkat cells (green) compared to an isotype control (blue).
Flow Cytometry: TCR gamma/delta Antibody (5A6.E9) [NBP2-22489]

Flow Cytometry: TCR gamma/delta Antibody (5A6.E9) [NBP2-22489]

Flow Cytometry: TCR gamma/delta Antibody (5A6.E91) [NBP2-22489] - Flow cytometry analysis of TCR gamma/delta on TCR gamma/delta positive PEER cells or TCR gamma/delta negative Jurkat cells. Equal numbers of cells were stained with a TCR gamma + delta (5A6.E9) monoclonal antibody followed by FITC labeled secondary antibody or with FITC labeled secondary antibody alone (black histograms). 5ul of primary antibody were used per test. All antibody incubations were performed for 30 minutes at room temperature. A representative 10,000 cells were acquired for each sample.

Applications for TCR gamma/delta Antibody (5A6.E9)

Application
Recommended Usage

Flow Cytometry

1 - 2 ug

Immunohistochemistry

1:10 - 1:500

Immunohistochemistry-Frozen

1:10 - 1:500

Immunoprecipitation

1:10 - 1:500

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

PBS with 0.5% BSA

Preservative

0.1% Sodium Azide

Concentration

0.15 mg/ml

Shipping

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

Stability & Storage

Store at -20C. Avoid freeze-thaw cycles.

Background: TCR gamma/delta

T cell Receptor (TCR) gamma delta belongs to the immunoglobulin (Ig) superfamily and is a heterodimer consisting of a TCR gamma and a TCR delta chain (1). TCR gamma delta is expressed on the plasma membrane of T cells and is involved in ligand-induced signaling and tumor cell killing (1). While TCR gamma delta has structural similarity to TCR alpha beta, each receptor is expressed on unique T cell lineages and have different mechanisms of ligand recognition (1,2). The TCR gamma and delta chains have a variable region and constant region (1). The variable region contains complementary determining regions (CDRs) that form the antigen binding site whereas the constant region contains an Ig-like domain, a connecting peptide, a transmembrane region, and a cytoplasmic tail (1). TCR gamma delta T cells signal through the canonical T cell signaling complex, cluster of differentiation 3 (CD3), to help mediate T cell activation (1).

In humans, T cells expressing TCR gamma delta represents ~1-5% of total T cells in the peripheral blood but can comprise up to 50% of lymphoid cells in peripheral tissues like the intestines or dermis (3). The TCR gamma delta lineage arises from the double negative 3 (DN3) (CD44-,CD25-) stage of development where the cells receive strong TCR signals for gamma/delta selection (2). In contrast to alpha/beta T cells which are CD4+/CD8+, most gamma delta T cells are CD4-/CD8- (2). Gamma delta T cells produce different cytokines in response to varying degrees of signal received through the gamma delta TCR: a weaker signal induces interleukin (IL)-17, a moderate signal induces interferon (IFN)-gamma, and a strong signal stimulates IL-4 production (2,4). There are multiple gamma delta T cell subsets which are defined by the variable segments of the gamma and delta chain present after gene rearrangement (1,3,5). For example, Vgamma9Vdelta2 (Vgamma9Vdelta2) TCRs are expressed on the main subset of gamma delta T cells in human blood (1,3,5). Human gamma delta T cells expressing Vgamma9Vdelta2 TCR recognizes phosphoantigens that are released by tumor cells (3). The phosphoantigens bind butyrophilin (BTN) family members, such as BTN3A1/CD277, that are expressed on tumor cells and this interaction helps stimulate gamma delta T cell activation and tumor recognition (3). Considering their role in tumor recognition and killing, gamma delta T cells and the TCRs may be leveraged for cancer immunotherapies (3,4,6). Strategies for utilizing gamma delta T cells in immunotherapy include chimeric antigen receptor (CAR) transduction in gamma delta T cells, in vivo activation of gamma delta cells with anti-BTN3A1 monoclonal antibodies, or bispecific gamma delta T cell engagers (6).

References

1. Morath, A., & Schamel, W. W. (2020). AB and GD T cell receptors: similar but different. Journal of Leukocyte Biology, 107(6), 1045-1055. https://doi.org/10.1002/JLB.2MR1219-233R

2. Zarin, P., Chen, E. L., In, T. S., Anderson, M. K., & Zuniga-Pflucker, J. C. (2015). Gamma delta T-cell differentiation and effector function programming, TCR signal strength, when and how much?. Cellular Immunology, 296(1), 70-75. https://doi.org/10.1016/j.cellimm.2015.03.007

3. Silva-Santos, B., Serre, K., & Norell, H. (2015). GD T cells in cancer. Nature Reviews. Immunology, 15(11), 683-691. https://doi.org/10.1038/nri3904

4. Hahn, A. M., & Winkler, T. H. (2020). Resolving the mystery-How TCR transgenic mouse models shed light on the elusive case of gamma delta T cells. Journal of Leukocyte Biology, 107(6), 993-1007. https://doi.org/10.1002/JLB.1MR0120-237R

5. Fichtner, A. S., Ravens, S., & Prinz, I. (2020). Human GD TCR repertoires in health and disease. Cells, 9(4), 800. https://doi.org/10.3390/cells9040800

6. Kabelitz, D., Serrano, R., Kouakanou, L., Peters, C., & Kalyan, S. (2020). Cancer immunotherapy with gammadelta T cells: many paths ahead of us. Cellular & Molecular Immunology, 17(9), 925-939. https://doi.org/10.1038/s41423-020-0504-x

Alternate Names

delta polypeptide, T3D, TiT3

Entrez Gene IDs

917 (Human)

Gene Symbol

CD3G

UniProt

P09693 (Human)

Additional TCR gamma/delta Products

Product Documents for TCR gamma/delta Antibody (5A6.E9)

Product Datasheets

Certificate of Analysis

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Product Specific Notices for TCR gamma/delta Antibody (5A6.E9)

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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