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Anti-NKG2D (5C6)-CD86+FcγRI CAR-MA (CARMA-W1328)

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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-NKG2D chimeric antigen receptor (CAR) is constructed for the engineering of macrophage cells to target human NKG2D and induce target cell phagocytosis. The macrophage cells are genetically modified through transduction with a lentiviral vector expressing scFv of anti-NKG2D antibody (5C6) linked to CD86+FcγRI signaling domains. The vector product was designed for the treatment of Ewing's sarcoma, osteosarcoma, ovarian cancer.

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Details

  • Target
  • NKG2D
  • Cell Type
  • Macrophage
  • Targeting Diseases
  • Ewing's sarcoma, osteosarcoma, ovarian cancer
  • Vector Name
  • pCDCAR1
  • Vector length
  • ~8kb
  • Vector Type
  • Lentiviral vector
  • Size
  • 10 µg
  • Storage
  • Store at -20°C for long term.

CAR Components

  • Promoter
  • EF1a
  • scFv
  • 5C6
  • Hinge
  • CD8
  • TM
  • CD8
  • ICD
  • CD86+FcγRI
  • Marker
  • GFP or N/A
  • Receptor Construction
  • scFv-hinge(CD8)-TM(CD8)-ICD(CD86+FcγRI)
  • Discription of Signaling Cassetes
  • The cytoplasmic portion of the human CD86 (amino acids 269-329) plus the cytoplasmic part of the human FcγRI (amino acids 314-374) are used as the CAR intracellular signaling domains.
    CD86:
    Receptor involved in the costimulatory signal essential for T-lymphocyte proliferation and interleukin-2 production, by binding CD28 or CTLA-4. May play a critical role in the early events of T-cell activation and costimulation of naive T-cells, such as deciding between immunity and anergy that is made by T-cells within 24 hours after activation.

    FcγRI:
    This protein is a high-affinity Fc-gamma receptor, and plays an important role in the immune response. As a member of the immunoglobulin superfamily (it has two Ig-like domains), FcγRI is expressed on macrophage and other cells, controlling the production of important immune mediators called cytokines that promote inflammation. Fc gamma receptors belong to the group of non-catalytic tyrosine-phosphorylated receptors which share a similar signalling pathway involving phosphorylation of tyrosine residues. The receptors generate signals within their cells through an important activation motif known as an immunoreceptor tyrosine-based activation motif (ITAM). An ITAM is present in the intracellular tail of FcγRIIA, and its phosphorylation induces phagocytosis in macrophages. FcγRI and FcγRIIIA do not have an ITAM but can transmit an activating signal to their phagocytes by interacting with another protein that does. This adaptor protein is called the Fcγ subunit and, like FcγRIIA, contains the two YXXL sequences that are characteristic of an ITAM.

Target

  • Target
  • NKG2D
  • Target Species
  • Human
  • Clone
  • 5C6
  • Host
  • Mouse
  • Gene Name
  • Killer cell lectin like receptor K1
  • Introduction
  • Natural killer (NK) cells are lymphocytes that can mediate lysis of certain tumor cells and virus-infected cells without previous activation. They can also regulate specific humoral and cell-mediated immunity. NK cells preferentially express several calcium-dependent (C-type) lectins, which have been implicated in the regulation of NK cell function. The NKG2 gene family is located within the NK complex, a region that contains several C-type lectin genes preferentially expressed in NK cells. This gene encodes a member of the NKG2 family. The encoded transmembrane protein is characterized by a type II membrane orientation (has an extracellular C terminus) and the presence of a C-type lectin domain. It binds to a diverse family of ligands that include MHC class I chain-related A and B proteins and UL-16 binding proteins, where ligand-receptor interactions can result in the activation of NK and T cells. The surface expression of these ligands is important for the recognition of stressed cells by the immune system, and thus this protein and its ligands are therapeutic targets for the treatment of immune diseases and cancers. Read-through transcription exists between this gene and the upstream KLRC4 (killer cell lectin-like receptor subfamily C, member 4) family member in the same cluster.
  • Alternative Names
  • Killer cell lectin like receptor K1; KLRK1; KLR; CD314; NKG2D; NKG2-D; D12S2489E

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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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