pCDCAR5 CEACAM5 h(ζ, CD80, 41BBL)(CAR-LC368)
The vector of anti-CEA chimeric antigen receptor (CAR) is constructed for the engineering of T cells to target human CEA. The T cells are genetically modified through transduction with a lentiviral vector expressing scFv of anti-CEA antibody linked to CD3ζ signaling domain. When CAR-T cells activated, the expression of CD80 and CD137L on the T cell surface will ehance the activity of immune cells. And the vector product was designed for the treatment of colon carcinoma.
Targeting Cell Type
Discription of Signaling Cassetes
The protein encoded by this gene is a membrane receptor that is activated by the binding of CD28 or CTLA-4. The activated protein induces T-cell proliferation and cytokine production. This protein can act as a receptor for adenovirus subgroup B and may play a role in lupus neuropathy.
The protein encoded by this gene is a cytokine that belongs to the tumor necrosis factor (TNF) ligand family. This transmembrane cytokine is a bidirectional signal transducer that acts as a ligand for TNFRSF9/4-1BB, which is a costimulatory receptor molecule in T lymphocytes. This cytokine and its receptor are involved in the antigen presentation process and in the generation of cytotoxic T cells. The receptor TNFRSF9/4-1BB is absent from resting T lymphocytes but rapidly expressed upon antigenic stimulation. The ligand encoded by this gene, TNFSF9/4-1BBL, has been shown to reactivate anergic T lymphocytes in addition to promoting T lymphocyte proliferation. This cytokine has also been shown to be required for the optimal CD8 responses in CD8 T cells. This cytokine is expressed in carcinoma cell lines, and is thought to be involved in T cell-tumor cell interaction.
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.
carcinoembryonic antigen-related cell adhesion molecule 5
CEACAM5; carcinoembryonic antigen-related cell adhesion molecule 5; CEA; CD66e; renal cell carcinoma; RCC; renal cell carcinoma; scFv; FcεRIγ; Chimeric antigen receptor; T cell; Retrovirus; CARs; Lentivirus; chimeric T cell receptors; chimeric immunoreceptors; chimeric antigen receptors; BW431/26
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