CD3 Monoclonal Antibody (OKT3), FITC, eBioscience™

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CD3 Monoclonal Antibody (OKT3), FITC, eBioscience™

货号:11-0037-42,11-0037-41

规格:100 tests,25 tests

价格:628,831

产品类型:流式抗体

品牌:eBioscience

抗原:

物种:人

宿主:小鼠

抗体亚型:IgG2a, kappa

克隆号:OKT3

荧光染料:FITC

抗体类型:流式抗体同型对照:Mouse IgG2a kappa Isotype Control (eBM2a), FITC, eBioscience™
浓度: 5 µL/Test用法:5uL(1µg)/test(Flow)

产品详细信息Description: The OKT3 monoclonal antibody reacts with an epitope on the epsilon-subunit within the human CD3 complex. The OKT3 antibody has been reported to have potent immunosuppressive properties in vivo and has been proven effective in the treatment of renal, heart and liver allograft rejection. The CD3 subunits, gamma, delta, and epsilon chains, are required for proper assembly, trafficking and surface expression of the TCR complex. CD3 is expressed by thymocytes in a developmentally regulated manner and by all mature T cells. Crosslinking of TCR initiates an intracellular biochemical pathway resulting in cellular activation and proliferation. Antibody clones OKT3 and SK7 see different epitopes.Applications Reported: The OKT3 antibody has been reported for use in flow cytometric analysis.Applications Tested: This OKT3 antibody has been pre-titrated and tested by flow cytometric analysis of normal human peripheral blood cells. This can be used at 5 µL (1 µg) per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.Excitation: 488 nm; Emission: 520 nm; Laser: Blue Laser.Filtration: 0.2 µm post-manufacturing filtered. 靶标信息The CD3 subunit complex which is crucial in transducing antigen-recognition signals into the cytoplasm of T cells and in regulating the cell surface expression of the TCR complex. T cell activation through the antigen receptor (TCR) involves the cytoplasmic tails of the CD3 subunits CD3 gamma, CD3 delta, CD3 epsilon and CD3 zeta. These CD3 subunits are structurally related members of the immunoglobulins super family encoded by closely linked genes on human chromosome 11. The CD3 components have long cytoplasmic tails that associate with cytoplasmic signal transduction molecules and this association is mediated at least in part by a double tyrosine-based motif present in a single copy in the CD3 subunits. CD3 may play a role in TCR-induced growth arrest, cell survival and proliferation. The CD3 antigen is present on 68-82% of normal peripheral blood lymphocytes, 65-85% of thymocytes and Purkinje cells in the cerebellum. It is never expressed on B or NK cells. Decreased percentages of T lymphocytes may be observed in some autoimmune diseases. The genes encoding the CD3 epsilon, gamma and delta polypeptides are located on chromosome 11. Defects in the CD3 gene are associated with CD3 immunodeficiency.
数据

CD3 Antibody (11-0037-42) in FlowStaining of normal human peripheral blood cells with Anti-Human CD19 eFluor® 450 (Product # 48-0199-42) and Mouse IgG2a K Isotype Control FITC (Product # 11-4724-42) (left) or Anti-Human CD3 FITC (right). Cells in the lymphocyte gate were used for analysis.

CD3 Antibody (11-0037-41) Staining of human peripheral blood cells. As expected based on known relative expression patterns, CD3 clone OKT3 stains a subset of lymphocytes (T cells) and does not stain monocytes and granulocytes (middle plot). Additional analysis of lymphocytes shows that CD3 clone OKT3 does not stain any CD19+ B cells (right plot). Details: Normal human whole blood was surface stained with CD3 (clone OKT3) and CD19 (clone HIB19). After staining, red blood cells were lysed using 1-step Fix/Lyse Buffer. Cells in the lymphocyte (purple histogram), monocyte (orange histogram), or granulocyte (blue histogram) gates were used to compare CD3 staining (middle plot). Cells in the lymphocyte gate were used to compare CD3 and CD19 staining (right plot).

CD3 Antibody (11-0037-41) International journal of nanomedicine 2018 -Figure 4 PEG-S-Fab can bind CEA on tumor cells and CD3 + on T cells. Notes: Flow cytometry analysis of PEG-S-Fab and S-Fab on CEA-positive LS174T cells ( A ), CEA-negative SKOV3 cells ( B ), and CD3 + T cells ( C ). The positive control anti-CD3 antibody OKT3 was used for T-cell flow cytometry. Confocal microscopy of immunofluorescence staining as described in the ""Materials and methods"" section. S-Fab ( D ) and PEG-S-Fab ( E ) on LS174T cells (upper panel) and SKOV3 cells (lower panel), respectively. The scale bar represents 30 mum. AF488, stained by the goat antihuman IgG (H + L)-AlexaFluor 488 antibody; LS174T, human colorectal cell line LS174T; SKOV3, human ovarian cancer cell line SKOV3. Abbreviations: CEA, carcinoembryonic antigen; DAPI, 4',6-diamidino-2-phenylindole; IgG, immunoglobulin G; PEG, polyethylene glycol; PEG-S-Fab, PEGylated S-Fab; S-Fab, single-domain antibody-linked Fab; FITC, fluoresceine isothiocyanate.
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参考文献:
1.Frontiers in immunology CD16+ Monocyte Subset Was Enriched and Functionally Exacerbated in Driving T-Cell Activation and B-Cell Response in Systemic Lupus Erythematosus.2.Traffic (Copenhagen, Denmark) Sorting nexin 27 interactome in T-lymphocytes identifies zona occludens-2 dynamic redistribution at the immune synapse.3.Obesity (Silver Spring, Md.) Obesity decreases B cell responses in young and elderly individuals.4.The Journal of biological chemistry N-glycosylation of asparagine 8 regulates surface expression of major histocompatibility complex class I chain-related protein A (MICA) alleles dependent on threonine 24.5.Stem cells international Umbilical Cord-Derived Mesenchymal Stem Cells Suppress Autophagy of T Cells in Patients with Systemic Lupus Erythematosus via Transfer of Mitochondria.
技术参数

产品应用 Flow;TCA;IM;IF;WB

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