pCDCAR1 CD138 h(28ζ, iCasp-9)(CAR-LC384)

The vector of anti-CD138 chimeric antigen receptor (CAR) is constructed for the engineering of T cells to target human CD138. The T cells are genetically modified through transduction with a lentiviral vector co-expressing iCasp9 and scFv of anti-CD138 antibody linked to CD28, 4-1BB (CD137), CD27 and CD3ζ signaling domains. An iCasp9 allows for the removal of inappropriately activated CAR T cells. The vector product was designed for the treatment of multiple myeloma.


Details


Target
CD138
Target Species
Human
Targeting Cell Type
T cell
Targeting Diseases
Multiple myeloma
Generation
Third
Vector Name
pCDCAR1
Vector Length
~8kb
Vector Type
Lentiviral
Receptor Construction
scFv-CD28-41BB-CD27-CD3ζ/iCasp9
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 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.
41BB
CD137 (also known as 4-1BB) is a surface co-stimulatory glycoprotein originally described as present on activated T lymphocytes, which belongs to the tumor necrosis factor (TNF) receptor superfamily. It is expressed mainly on activated CD4+ and CD8+ T cells, and binds to a high-affinity ligand (4-1BBL) expressed on several antigen-presenting cells such as macrophages and activated B cells. On the basis of preclinical observation, this molecule can promote the persistence of antigen-specific and antigen-nonspecific chimeric antigen receptor T-cells to significantly increases antitumor activity.
CD27
CD27 is required for generation and long-term maintenance of T cell immunity. It binds to ligand CD70, and plays a key role in regulating B-cell activation and immunoglobulin synthesis. This receptor transduces signals that lead to the activation of NF-kappaB and MAPK8/JNK. Adaptor proteins TRAF2 and TRAF5 have been shown to mediate the signaling process of this receptor. CD27-binding protein (SIVA), a proapoptotic protein, can bind to this receptor and is thought to play an important role in the apoptosis induced by this receptor.
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
NI16
Antibody Host
Mouse

Target


Gene Name
syndecan 1
Official Symbol
SDC1
Gene ID
Synonyms
SDC; CD138; SYND1; syndecan

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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