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Anti-EGFRvIII scFv h(CD4-FcεRIγ) CART, pCDCAR1 (CAR-T-2-M315-4G)

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All products and services are For Research Use Only and CANNOT be used in the treatment or diagnosis of disease.

The vector of anti-EGFRvIII chimeric antigen receptor (CAR) is constructed for the engineering of T cells to target human EGFRvIII. The T cells are genetically modified through transduction with a lentiviral vector expressing scFv of anti-EGFRvIII antibody linked to CD4 transmembrane domain and FcεRIγ signaling domains. And the vector product was designed for the treatment of glioma.

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Details

  • Target
  • EGFRvIII
  • Targeting Cell Type
  • T cell
  • Targeting Diseases
  • Glioma
  • Generation
  • Second
  • Vector Name
  • pCDCAR1
  • Vector Length
  • 8kb
  • Vector Type
  • Lentiviral
  • Receptor Construction
  • scFv-CD4-FcεRIγ
  • Discription of Signaling Cassetes
  • CD4
    Cluster of Differentiation 4 (CD4) is a glycoprotein expressed on the surface of T helper cells, regulatory T cells, monocytes, macrophages and dendritic cells, and plays an important role in the development and activation of T cells. On T cells, CD4 is the co-receptor for the T cell receptor (TCR), and these two distinct structures recognize the Antigen-Major Histocompatibility Complex (MHC). CD4 signaling in CAR ensures specificity of the TCR-antigen interaction, prolongs the contact between the T cell and the antigen presenting cell and recruits the tyrosine kinase Lck, which is essential for T cell activation.
    FcεRIγ
    The high-affinity IgE receptor, also known as FcεRI, or Fc epsilon RI, is the high-affinity receptor for the Fc region of immunoglobulin E (IgE). FcεRI is a key molecule involved in allergic reactions. It is a tetramer composed of 1alpha, 1 beta, and 2 gamma chains. The gamma chains are also subunits of other Fc receptors. The scFv-based CARs engineered to contain a signaling domain from FcεRIγ have been shown to deliver a potent signal for T cell activation and function.

Target

  • Clone
  • RAbDMvIII
  • Host
  • Human
  • Target Species
  • Human
  • Gene Name
  • Epidermal Growth Factor Receptor
  • Synonyms
  • EGFR;EGFR; Epidermal Growth Factor Receptor; Epidermal Growth Factor Receptor; Receptor Tyrosine-Protein Kinase ErbB-1; Erb-B2 Receptor Tyrosine Kinase 1; Proto-Oncogene C-ErbB-1; EC 2.7.10.1; ERBB1; ERBB; HER1; Epidermal Growth Factor Receptor (Avian Erythroblastic Leukemia Viral (V-Erb-B) Oncogene Homolog); Erythroblastic Leukemia Viral (V-Erb-B) Oncogene Homolog (Avian);

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  • Published Data
CAR scFv data ELISA

Fig.1 Calibration curve of the binding of RAbDMvIII and RAbvIII recombinant antibodies to coated EGFRvIII in the ELISA.

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Fig.1 Calibration curve of the binding of RAbDMvIII and RAbvIII recombinant antibodies to coated EGFRvIII in the ELISA.

The concentration range for RAbDMvIII and RAbvIII was 20 to 0.02 ug/ml (x axis) and the absorbance was read at 450 nm (Y axis). The assay was analyzed twice.

Gupta, P., Han, S. Y., Holgado-Madruga, M., Mitra, S. S., Li, G., Nitta, R. T., & Wong, A. J. (2010). Development of an EGFRvIII specific recombinant antibody. BMC biotechnology, 10(1), 1-13.

CAR scFv data FCM

Fig.2 NIH3T3 and HC2 cells were mixed in a 1:1 ratio prior to staining with RAbDMvIII revealing distinct identification of an EGFRvIII cell population.

CAR Construction : Latest CAR Construction

Fig.2 NIH3T3 and HC2 cells were mixed in a 1:1 ratio prior to staining with RAbDMvIII revealing distinct identification of an EGFRvIII cell population.

The dot blot (left panel) represents human-IgG1 isotype control.

Gupta, P., Han, S. Y., Holgado-Madruga, M., Mitra, S. S., Li, G., Nitta, R. T., & Wong, A. J. (2010). Development of an EGFRvIII specific recombinant antibody. BMC biotechnology, 10(1), 1-13.

CAR scFv data ELISA

Fig.3 Affinity determination of RAbDMvIII by Saturation ELISA.

CAR Construction : Latest CAR Construction

Fig.3 Affinity determination of RAbDMvIII by Saturation ELISA.

Saturation ELISA shows the Scatchard plot of the binding of RAbDMvIII to EGFRvIII.

Gupta, P., Han, S. Y., Holgado-Madruga, M., Mitra, S. S., Li, G., Nitta, R. T., & Wong, A. J. (2010). Development of an EGFRvIII specific recombinant antibody. BMC biotechnology, 10(1), 1-13.

CAR scFv data FCM

Fig.4 Specificity of RAbDMvII1 by Flow cytometry.

CAR Construction : Latest CAR Construction

Fig.4 Specificity of RAbDMvII1 by Flow cytometry.

Freshly dissociated human GBM tumor stained with RAbDMvIII shows
the presence of surface EGFRvIII on 13% of cells (right panel).

Gupta, P., Han, S. Y., Holgado-Madruga, M., Mitra, S. S., Li, G., Nitta, R. T., & Wong, A. J. (2010). Development of an EGFRvIII specific recombinant antibody. BMC biotechnology, 10(1), 1-13.

More Published Data More Published Data

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For research use only. Not intended for any clinical use. No products from Creative Biolabs may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative Biolabs.

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