pCDCAR1 CD276 h(28OXζ), T(CAR-T-3-L334-2XZ)

The vector of anti-CD276 chimeric antigen receptor (CAR) is constructed for the engineering of T cells to target human CD276. The T cells are genetically modified through transduction with a lentiviral vector expressing scFv of anti-CD276 antibody linked to a CD28 transmembrane domain/ endodomain and OX40, CD3-zeta signaling domains. And the vector product was designed for detecting the presence of cancer in a mammal and methods of treating or preventing cancer in a mammal are also disclosed, for example, chronic lymphocytic leukemia (CLL).


Details


Target
CD276
Target Species
Human
Targeting Cell Type
T cell
Targeting Diseases
Chronic lymphocytic leukemia (CLL)
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-stimulatorysignals 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 cells 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.
Antibody Clone
m851
Antibody Host
Human

Target


Gene Name
CD276 molecule
Official Symbol
CD276
Gene ID
Synonyms
CD276; CD276 molecule; B7H3; B7-H3; B7RP-2; 4Ig-B7-H3; CD276 antigen; B7 homolog 3; costimulatory molecule; Chronic Lymphocytic Leukemia; CLL; CD28; Chimeric antigen receptor; T cell; Retrovirus; CARs; Lentivirus; chimeric T cell receptors; chimeric immunoreceptors; chimeric antigen receptors; m851; scFv

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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