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Anti-CD19 scFv h(CD4-FcεRIγ) CART, pCDCAR1 (CAR-T-2-L332-4G)


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 chimeric antigen receptor (CAR) is constructed for the engineering of T cells to target human CD19. The T cells are genetically modified through transduction with a lentiviral vector expressing scFv of anti-CD19 antibody linked to a CD4 transmembrane domain and FcεRIγ signaling domains. And the vector product was designed for the treatment of chronic lymphoid leukemia.

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Details

  • Target
  • CD19
  • Targeting Cell Type
  • T cell
  • Targeting Diseases
  • Chronic lymphocytic leukemia (CLL)
  • 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
  • FMC63
  • Host
  • Mouse
  • Target Species
  • Human
  • 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;

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  • Published Data
Complete CAR data FuncS

Fig.1 Leukaemic response and relapse patterns associated with FMC63 scFv-based CAR.

CAR Construction : FMC63 scFv-BBζ; FMC63 scFv-28ζ Latest CAR Construction

Fig.1 Leukaemic response and relapse patterns associated with FMC63 scFv-based CAR.

Kaplan-Meier survival analysis of mice bearing NALM6 cells treated with 0.2 × 10^6 transduced CAR T cells. n = 5-7 mice per group pooled from two independent experiments.

Hamieh, M., Dobrin, A., Cabriolu, A., van der Stegen, S. J., Giavridis, T., Mansilla-Soto, J., ... & Sadelain, M. (2019). CAR T cell trogocytosis and cooperative killing regulate tumour antigen escape. Nature, 568(7750), 112-116.

Complete CAR data FCM

Fig.2 Leukaemic response and relapse patterns associated with FMC63 scFv-based CAR.

CAR Construction : FMC63 scFv-BBζ; FMC63 scFv-28ζ Latest CAR Construction

Fig.2 Leukaemic response and relapse patterns associated with FMC63 scFv-based CAR.

Representative FACS profile of PD-1, LAG-3 and TIM-3 surface expression on BBζ CAR T cells isolated from relapsed mice. (data are representative of n = 3 mice per group).

Hamieh, M., Dobrin, A., Cabriolu, A., van der Stegen, S. J., Giavridis, T., Mansilla-Soto, J., ... & Sadelain, M. (2019). CAR T cell trogocytosis and cooperative killing regulate tumour antigen escape. Nature, 568(7750), 112-116.

Complete CAR data FuncS

Fig.4 FMC63 and 4G7 CAR T cells effectively responded to CD19‐positive NALM‐6 cells.

CAR Construction : FMC63 scFv-28ζ Latest CAR Construction

Fig.4 FMC63 and 4G7 CAR T cells effectively responded to CD19‐positive NALM‐6 cells.

Tumor-killing ability of FMC63, 4G7, and FITC CAR T cells against luciferase-expressing NALM-6 and U937. FMC63, 4G7, and FITC CAR T cells (2 × 10^5 cells) were co-cultured with luciferase-expressing NALM-6 (2 × 10^4 cells) or U937 (2 × 10^4 cells) for indicated incubation times at the E:T ratio 10:1. Then, luminescence values were measured.

Kang, C. H., Kim, Y., Lee, H. K., Lee, S. M., Jeong, H. G., Choi, S. U., & Park, C. H. (2020). Identification of potent CD19 scFv for CAR T cells through scFv screening with NK/T-cell line. International Journal of Molecular Sciences, 21(23), 9163.

CAR scFv data SPR

Fig.5 Kinetic binding properties of CD19 scFv derived from CD19 hybridomas.

CAR Construction : Latest CAR Construction

Fig.5 Kinetic binding properties of CD19 scFv derived from CD19 hybridomas.

Anti-CD19 scFv was fused to mouse IgG2a-Fc in a SFG-eBFP γ-retroviral expression vector and HEK293T cells were transfected to generate secreted scFv, which were then purified
on a protein A column.

Ghorashian, S., Kramer, A. M., Onuoha, S., Wright, G., Bartram, J., Richardson, R., ... & Amrolia, P. J. (2019). Enhanced CAR T cell expansion and prolonged persistence in pediatric patients with ALL treated with a low-affinity CD19 CAR. Nature medicine, 25(9), 1408-1414.

Complete CAR data FuncS

Fig.6 Antigen-specific killing of CD19+ tumor cells by CD19 CAR+ T cells (FMC63 or CAT) or non-transduced (NT) T cells.

CAR Construction : FMC63 scFv-BBζ Latest CAR Construction

Fig.6 Antigen-specific killing of CD19+ tumor cells by CD19 CAR+ T cells (FMC63 or CAT) or non-transduced (NT) T cells.

CAR+ T cell cytotoxic activity against SupT1 cells that are engineered to express CD19 (SupT1CD19, left) as well as target-antigen-negative non-transduced SupT1NT (right), as measured by standard 4-h 51Chromium-release assay.

Ghorashian, S., Kramer, A. M., Onuoha, S., Wright, G., Bartram, J., Richardson, R., ... & Amrolia, P. J. (2019). Enhanced CAR T cell expansion and prolonged persistence in pediatric patients with ALL treated with a low-affinity CD19 CAR. Nature medicine, 25(9), 1408-1414.

Complete CAR data FuncS

Fig.7 Cytokine production in response to 1:1 coculture of FMC63-CAR cells with irradiated Raji cells.

CAR Construction : FMC63 scFv-BBζ Latest CAR Construction

Fig.7 Cytokine production in response to 1:1 coculture of FMC63-CAR cells with irradiated Raji cells.

Production of cytokines in response to 1:1 coculture of CAR cells with irradiated Raji cells, measured by a cytokine bead array of culture supernatants
taken at 48 h.

Ghorashian, S., Kramer, A. M., Onuoha, S., Wright, G., Bartram, J., Richardson, R., ... & Amrolia, P. J. (2019). Enhanced CAR T cell expansion and prolonged persistence in pediatric patients with ALL treated with a low-affinity CD19 CAR. Nature medicine, 25(9), 1408-1414.

Complete CAR data FuncS

Fig.8 FMC63 CAR-T cells show effector-specific function with wildtype CD19+ targeted cells in vitro.

CAR Construction : FMC63 scFv-BBζ Latest CAR Construction

Fig.8 FMC63 CAR-T cells show effector-specific function with wildtype CD19+ targeted cells in vitro.

Tumor cells were incubated with CAR-T cells for 6 hours. Then the tumor cells were collected and stained with Annexin-V/PI to determine specific lysis.

Zhang, Z., Chen, X., Tian, Y., Li, F., Zhao, X., Liu, J., ... & Zhang, Y. (2020). Point mutation in CD19 facilitates immune escape of B cell lymphoma from CAR-T cell therapy. Journal for immunotherapy of cancer, 8(2).

Complete CAR data FuncS

Fig.9 FMC63 CAR-T cells show effector-specific function with mutant CD19+ targeted cells in vitro.

CAR Construction : FMC63 scFv-BBζ Latest CAR Construction

Fig.9 FMC63 CAR-T cells show effector-specific function with mutant CD19+ targeted cells in vitro.

Tumor cells were incubated with CAR-T cells for 6 hours. Then the tumor cells were collected and stained with Annexin-V/PI to determine specific lysis.

Zhang, Z., Chen, X., Tian, Y., Li, F., Zhao, X., Liu, J., ... & Zhang, Y. (2020). Point mutation in CD19 facilitates immune escape of B cell lymphoma from CAR-T cell therapy. Journal for immunotherapy of cancer, 8(2).

Complete CAR data FuncS

Fig.10 Bioluminescent imaging of antitumor ability of CD19 CAR-T cells in vivo.

CAR Construction : FMC63 scFv-BBζ Latest CAR Construction

Fig.10 Bioluminescent imaging of antitumor ability of CD19 CAR-T cells in vivo.

1e6 luciferase-transgenic Raji cells were inoculated into SCID-beige mice via tail on day 7. The 1e6 wild type or mutated CD19 positive H322/Luc cells were subcutaneously injected into the mice. On day 0, 1e7 CAR-Τ cells were injected intravenously (intravenous). Then, tumor growth was monitored via bioluminescent imaging test.

Zhang, Z., Chen, X., Tian, Y., Li, F., Zhao, X., Liu, J., ... & Zhang, Y. (2020). Point mutation in CD19 facilitates immune escape of B cell lymphoma from CAR-T cell therapy. Journal for immunotherapy of cancer, 8(2).

Complete CAR data FuncS

Fig.11 Bioluminescent imaging of antitumor ability of CD19 CAR-T cells in vivo.

CAR Construction : FMC63 scFv-BBζ Latest CAR Construction

Fig.11 Bioluminescent imaging of antitumor ability of CD19 CAR-T cells in vivo.

1e6 luciferase-transgenic Raji cells were inoculated into SCID-beige mice via tail on day 7. The 1e6 wild type or mutated CD19 positive H322/Luc cells were subcutaneously injected into the mice. On day 0, 1e7 CAR-Τ cells were injected intravenously (intravenous). Then, tumor growth was monitored via bioluminescent imaging test.

Zhang, Z., Chen, X., Tian, Y., Li, F., Zhao, X., Liu, J., ... & Zhang, Y. (2020). Point mutation in CD19 facilitates immune escape of B cell lymphoma from CAR-T cell therapy. Journal for immunotherapy of cancer, 8(2).

Complete CAR data FuncS

Fig.12 Data summary of antitumor ability of CD19 CAR-T cells in vivo.

CAR Construction : FMC63 scFv-BBζ Latest CAR Construction

Fig.12 Data summary of antitumor ability of CD19 CAR-T cells in vivo.

1e6 luciferase-transgenic Raji cells were inoculated into SCID-beige mice via tail on day 7. The 1e6 wild type or mutated CD19 positive H322/Luc cells were subcutaneously injected into the mice. On day 0, 1e7 CAR-Τ cells were injected intravenously (intravenous). Then, tumor growth was monitored via bioluminescent imaging test.

Zhang, Z., Chen, X., Tian, Y., Li, F., Zhao, X., Liu, J., ... & Zhang, Y. (2020). Point mutation in CD19 facilitates immune escape of B cell lymphoma from CAR-T cell therapy. Journal for immunotherapy of cancer, 8(2).

Complete CAR data FuncS

Fig.13 Anti-tumor activities of mFMC63-CAR T cells.

CAR Construction : FMC63 scFv-BBζ; FMC63 scFv-28BBζ Latest CAR Construction

Fig.13 Anti-tumor activities of mFMC63-CAR T cells.

Fluorescence images of HeLa-CD19+ expressing mCherry co-cultured with CAR T cells at an E:T ratio of 10:1 as analyzed by fluorescence microscopy.

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.14 Anti-tumor activities of mFMC63-CAR T cells.

CAR Construction : FMC63 scFv-BBζ; FMC63 scFv-28BBζ Latest CAR Construction

Fig.14 Anti-tumor activities of mFMC63-CAR T cells.

Bar graphs represent the percentages of cytotoxicity against HeLa-CD19+ target cells by CAR T cells as measured by crystal violet staining assay.

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.15 Anti-tumor activities of mFMC63-CAR T cells.

CAR Construction : FMC63 scFv-BBζ; FMC63 scFv-28BBζ Latest CAR Construction

Fig.15 Anti-tumor activities of mFMC63-CAR T cells.

Cytotoxicity of Raji cells expressing CD19 antigen by CAR T cells after co-culturing at an E:T ratio of 1:1 for 24 and 48 h.

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.16 IL-2 production in response to coculture of FMC63-CAR cells with Raji cells.

CAR Construction : FMC63 scFv-BBζ; FMC63 scFv-28BBζ Latest CAR Construction

Fig.16 IL-2 production in response to coculture of FMC63-CAR cells with Raji cells.

Levels of secreted IL-2 cytokines in the culture supernatants of co-cultured CAR T cells and Raji cells.

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.17 IFN-γ production in response to coculture of FMC63-CAR cells with Raji cells.

CAR Construction : FMC63 scFv-BBζ; FMC63 scFv-28BBζ Latest CAR Construction

Fig.17 IFN-γ production in response to coculture of FMC63-CAR cells with Raji cells.

Levels of secreted IFN-γ cytokines in the culture supernatants of co-cultured CAR T cells and Raji cells.

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.18 TNF-α production in response to coculture of FMC63-CAR cells with Raji cells.

CAR Construction : FMC63 scFv-BBζ; FMC63 scFv-28BBζ Latest CAR Construction

Fig.18 TNF-α production in response to coculture of FMC63-CAR cells with Raji cells.

Levels of secreted TNF-α cytokines in the culture supernatants of co-cultured CAR T cells and Raji cells.

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.19 The killing activities of mFMC63-CAR4 T cells against Raji cell line.

CAR Construction : FMC63 scFv-28BBζ Latest CAR Construction

Fig.19 The killing activities of mFMC63-CAR4 T cells against Raji cell line.

The killing activities of mFMC63-CAR4 T cells against Raji (CD19+) cells after co-culturing at effector to target (E:T) ratios of 1:1, 2.5:1, and 5:1 for 4 hours.

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.20 The killing activities of mFMC63-CAR4 T cells against K562-CD19.

CAR Construction : FMC63 scFv-28BBζ Latest CAR Construction

Fig.20 The killing activities of mFMC63-CAR4 T cells against K562-CD19.

The killing activities of mFMC63-CAR4 T cells against K562-CD19+ cells after co-culturing at effector to target (E:T) ratios of 1:1, 2.5:1, and 5:1 for 4 hours.

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.21 IFN-γ production in the cell culture supernatants of anti-CD19 CAR T cells after activation by culturing with Raji (CD19+) cells.

CAR Construction : FMC63 scFv-28BBζ Latest CAR Construction

Fig.21 IFN-γ production in the cell culture supernatants of anti-CD19 CAR T cells after activation by culturing with Raji (CD19+) cells.

The levels of IFN-γ production in the cell culture supernatants of anti-CD19 CAR T cells after activation by culturing with Raji (CD19+) cells at an E:T ratio of 5:1 for 24 h were analyzed by enzyme-linked immunosorbent assay (ELISA).

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

Complete CAR data FuncS

Fig.22 TNF-α production in the cell culture supernatants of anti-CD19 CAR T cells after activation by culturing with Raji (CD19+) cells.

CAR Construction : FMC63 scFv-28BBζ Latest CAR Construction

Fig.22 TNF-α production in the cell culture supernatants of anti-CD19 CAR T cells after activation by culturing with Raji (CD19+) cells.

The levels of TNF-α production in the cell culture supernatants of anti-CD19 CAR T cells after activation by culturing with Raji (CD19+) cells at an E:T ratio of 5:1 for 24 h were analyzed by enzyme-linked immunosorbent assay (ELISA).

Wutti-In, Y., Sujjitjoon, J., Sawasdee, N., Panya, A., Kongkla, K., Yuti, P., ... & Yenchitsomanus, P. T. (2021). Development of a Novel Anti-CD19 CAR Containing a Fully Human scFv and Three Costimulatory Domains. Frontiers in oncology, 11.

More Published Data More Published Data

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