CloneID: G5-4
Antigen Long Description: The original antibody was generated by immunizing BALB/c mice with recombinant γ9δ2 (OT3)-Fc fusion protein as an immunogen.
Buffer Composition: PBS only.
Uniprot Accession No.: P04234; P09693
Specificity Statement: This antibody is specific for the human TCR delta and gamma chains. The T-cell receptor (TCR) is a molecule found on the surface of T cells, or T lymphocytes, that is responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules. On activation through antigen presenting cells (APCs), TCR-mediated signals are transmitted across the cell membrane by the CD3 chains CD3D, CD3E, CD3G and CD3Z. TCR part of the TCR-CD3 complex present on T-lymphocyte cell surface that plays an essential role in adaptive immune response.
Application Notes (Clone): The binding of this antibody to γδ T cells was determined using flow cytometry. This antibody can compete with commercially available anti-γδ TCR antibody IMMU510 for binding to gamma-delta T cells. It is proposed that, since there is some competition between the two antibodies, G5-4 binds a similar or identical epitope to IMMU510. In an in vitro proliferation assay, this antibody was reported to positively stimulate the proliferation of γδT cells. The scFv version of this antibody was also reported to stimulate the secretion of cytokines like IFN-γ and TGF-α. G5-4ScFv-amplified γδT cells can effectively kill daudi cells, and the killing efficiency is greater than 85% when the effect-to-target ratio is 5:1 (CN103130894).
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