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pCDCAR1 ERBB2 h(28OXζ) (CAR-YF960)

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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-ERBB2 chimeric antigen receptor (CAR) is constructed for the engineering of T cells to target human ERBB2. The T cells are genetically modified through transduction with a lentiviral vector expressing scFv of anti-ERBB2 antibody linked to CD28, OX40 and CD3ζ signaling domains. And the vector product was designed for the treatment of Lung Cancer.

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Details

  • Target
  • ERBB2
  • Targeting Cell Type
  • T Cell
  • Targeting Diseases
  • Lung Cancer
  • Generation
  • Third
  • Vector Name
  • pCDCAR1
  • Vector Length
  • ~8kb
  • Vector Type
  • Lentiviral vector
  • Receptor Construction
  • scFv-CD28-OX40-CD3ζ
  • Discription of Signaling Cassetes
  • CD28
    CD28 (Cluster of Differentiation 28) is one of the proteins expressed on T cells that provide co-stimulatory signals required for T cell activation and survival. CD28 is the receptor for CD80 (B7.1) and CD86 (B7.2) proteins which are expressed on antigen-presenting cells (APC). CD28 modulates the primary TCR/CD3ζ signal in a different fashion than the late costimulatory elements OX40 and 4-1BB. CD28 enhances the expression of downstream regulators that impact on T-cell proliferation, death, differentiation, and effector functions. CAR T cell containing the CD28 endodomain showed strikingly enhanced sustained T cell activation, growth, survival. And CD28 results in a brightly expressed, stable receptor as the transmembrane domain. Including CD28 costimulatory domains in CARs led to enhanced anti-malignancy efficacy.

    OX40
    OX40, also known as CD134 or TNFRSF4 is a member of the TNFR-superfamily of receptors which is not constitutively expressed on resting naïve T cells, unlike CD28. OX40 is a secondary co-stimulatory immune checkpoint molecule, expressed after 24 to 72 hours following activation. The interaction between OX40 and its binding partner, OX40L (CD252) plays an important role in antigen-specific T-cell expansion and survival. OX40 and OX40L also regulate cytokine production from T cells and modulate cytokine receptor signaling. OX40 cosignaling in CAR improve redirected T-cell effector functions and enhance anti-tumor activity.

    CD3ζ
    CD3ζ, also known as T-cell receptor zeta, which together with T-cell receptor and CD3γ, δ , ε chain, forms the TCR-CD3 complex. ζ was expressed independently from the complex. The zeta chain plays an important role in coupling antigen recognition to several intracellular signal-transduction pathways. CD3-zeta, which contains 3 ITAMs, is the most commonly used endodomain component of CARs. It transmits an activation signal to the T cell after antigen is bound. CD3-zeta may not provide a fully competent activation signal and additional co-stimulatory signaling is needed. For example, chimeric CD28 and OX40 can be used with CD3-zeta to transmit a proliferative/survival signal, or all three can be used together.

Target

  • Clone
  • XHM300
  • Host
  • Humanized
  • Target Species
  • Human
  • Gene Name
  • erb-b2 receptor tyrosine kinase 2
  • Synonyms
  • NEU; NGL; HER2; TKR1; CD340; HER-2; MLN 19; HER-2/neu

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  • Published Data
CAR scFv data SPR

Fig.1 SPR binding sensorgrams for the interaction of HER2 wild type and mutant proteins trastuzumab.

CAR Construction : Latest CAR Construction

Fig.1 SPR binding sensorgrams for the interaction of HER2 wild type and mutant proteins trastuzumab.

Binding data were globally fit to a simple 1∶1 interaction model (orange lines).

Epa, V. C., Dolezal, O., Doughty, L., Xiao, X., Jost, C., Plückthun, A., & Adams, T. E. (2013). Structural model for the interaction of a designed Ankyrin Repeat Protein with the human epidermal growth factor receptor 2. PloS one, 8(3), e59163.
Complete CAR data FCM

Fig.1 Representative flow cytometry dot-plot and summary data.

CAR Construction : Trastuzumab scFv-41BB-CD28ζ Latest CAR Construction

Fig.1 Representative flow cytometry dot-plot and summary data.

Generation of trastuzumab-derived HER2-specific human CAR T cells, characterization of their targets and their in vitro anti-tumor function.

Szöőr, Á., Tóth, G., Zsebik, B., Szabó, V., Eshhar, Z., Abken, H., & Vereb, G. (2020). Trastuzumab derived HER2-specific CARs for the treatment of trastuzumab-resistant breast cancer: CAR T cells penetrate and eradicate tumors that are not accessible to antibodies. Cancer letters, 484, 1–8.

More Published Data More Published Data

Customer Reviews and Q&As

There are currently no customer reviews or questions for Anti-ERBB2 (XHM300) h(CD28-OX40-CD3ζ) CAR, pCDCAR1 (CAR-YF960). Click the button below to contact us or submit your feedback about this product.

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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