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Anti-CD19 TCR-ABR-α (XW-63) CAR Vector (XS-1122-YF983)

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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-CD19 TCR-fused Antigen Binding Receptor (TCR-ABR) CAR is constructed for the engineering of T cells to target Mouse CD19. The T cells are genetically modified through transduction with a lentiviral vector expressing scFv (XW-63) of anti-CD19 antibody linked to TCRα subunit. The vector product was designed for the discovery and development of cellular therapy against Chronic lymphocytic leukemia (CLL). The TCR-ABR can effectively reprogram an intact TCR complex to recognize tumor surface antigens. TCR-ABR-T cells are shown to engage the signaling capacity of the entire TCR complex in an HLA-independent manner.

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Details

  • Target
  • CD19
  • Targeting Cell Type
  • T Cell
  • Targeting Diseases
  • Chronic lymphocytic leukemia (CLL)
  • Vector Name
  • pCDCAR1
  • Vector Length
  • ~8kb
  • Vector Type
  • Lentiviral vector
  • Receptor Construction
  • scFv-TCRα
  • Discription of Signaling Cassetes
  • The scFv used to generate CAR-T cells or single domain antibodies can be fused to the extracellular N-termini of TCRα, TCRβ, CD3γ, CD3δ, or CD3ε subunits, resulting in the activation of target-specific TCR-ABR-T cells. TCR-ABR-T cells have been shown to use the entire TCR complex's signaling capacity in an HLA-independent manner.

Target

  • Clone
  • XW-63
  • Host
  • Mouse
  • Target Species
  • Mouse
  • Gene Name
  • CD19
  • Synonyms
  • CD19;CD19; CD19 Molecule; CD19 Molecule; B-Lymphocyte Surface Antigen B4; T-Cell Surface Antigen Leu-12; Differentiation Antigen CD19; CD19 Antigen; B-Lymphocyte Antigen CD19; CVID3; B4;
  • Introduction
  • This gene encodes a member of the immunoglobulin gene superfamily. Expression of this cell surface protein is restricted to B cell lymphocytes. This protein is a reliable marker for pre-B cells but its expression diminishes during terminal B cell differentiation in antibody secreting plasma cells. The protein has two N-terminal extracellular Ig-like domains separated by a non-Ig-like domain, a hydrophobic transmembrane domain, and a large C-terminal cytoplasmic domain. This protein forms a complex with several membrane proteins including complement receptor type 2 (CD21) and tetraspanin (CD81) and this complex reduces the threshold for antigen-initiated B cell activation. Activation of this B-cell antigen receptor complex activates the phosphatidylinositol 3-kinase signalling pathway and the subsequent release of intracellular stores of calcium ions. This protein is a target of chimeric antigen receptor (CAR) T-cells used in the treatment of lymphoblastic leukemia. Mutations in this gene are associated with the disease common variable immunodeficiency 3 (CVID3) which results in a failure of B-cell differentiation and impaired secretion of immunoglobulins. CVID3 is characterized by hypogammaglobulinemia, an inability to mount an antibody response to antigen, and recurrent bacterial infections. Alternative splicing results in multiple transcript variants encoding distinct isoforms.

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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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