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scFv(CD38)-41BB-CD3zeta CAR-T Lentivirus

scFv(CD38)-41BB-CD3zeta CAR-T Lentivirus

Cat.No. :  LVG00020Z

Titer: ≥1*10^7 TU/mL / ≥1*10^8 TU/mL / ≥1*10^9 TU/mL Size: 100 ul/500 ul/1 mL

Storage:  -80℃ Shipping:  Frozen on dry ice

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Lentivirus Particle Information

Quality Control

Gene Informationn

Cat. No. LVG00020Z
Description Lentivirus particles containing second generation of anti-CD38 CAR (chimeric antigen receptor) scFv-41BB-CD3zeta.
Target Gene CD38
Titer Varies lot by lot, for example, ≥1*10^7 TU/mL, ≥1*10^8 TU/mL, ≥1*10^9 TU/mL etc.
Size Varies lot by lot, for example, 100 ul, 500 ul, 1 mL etc.
Storage Store at -80℃. Avoid multiple freeze/thaw cycles.
Shipping Frozen on dry ice
Creative Biogene ensures high-quality lentivirus particles by optimizing and standardizing production protocols and performing stringent quality control (QC). The specific QC experiments performed vary between lentivirus particle lots.
Mycoplasma Creative Biogene routinely tests for mycoplasma contamination using a mycoplasma detection kit. Cell lines are maintained for approximately 20 passages before being discarded and replaced with a new vial of early passage cells. Approximately 2 weeks after thawing, cell culture supernatants are tested for mycoplasma contamination. Creative Biogene ensures that lentiviral products are free of mycoplasma contamination.
Purity Creative Biogene evaluates the level of impurities, such as residual host cell DNA or proteins, in prepared lentiviral vectors to ensure they meet quality standards.
Sterility The lentiviral samples were inoculated into cell culture medium for about 5 days and the growth of bacteria and fungi was tested. Creative Biogene ensures that the lentiviral products are free of microbial contamination.
Transducibility Upon requirement, Creative Biogene can perform in vitro or in vivo transduction assays to evaluate the ability of lentivirus to deliver genetic material into target cells, and assess gene expression and functional activities.
Proviral Identity Confirmation All Creative Biogene lentiviral vectors are confirmed to have correctly integrated provirus using PCR. This test involves transducing cells with serial dilutions of the lentiviral vector, harvesting the cells a few days later, and isolating genomic DNA. This DNA is then used as a template to amplify a portion of the expected lentiviral insert.
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The scFv (CD38)-41BB-CD3zeta CAR-T lentivirus is an innovative therapeutic approach designed to treat various malignancies, particularly those associated with CD38-positive tumors, such as multiple myeloma. CAR-T cell therapy has become a groundbreaking cancer treatment, harnessing the patient''s own immune system to target and eliminate cancer cells. This specialized construct combines the unique properties of a single-chain variable fragment (scFv), a costimulatory domain, and a signaling motif to enhance T cell efficacy against tumor cells. Central to this CAR (chimeric antigen receptor) design is the scFv targeting CD38. CD38 is a transmembrane glycoprotein overexpressed in various hematologic malignancies, making it an attractive target for immunotherapy. The scFv enables T cells to recognize and bind to CD38 expressed on the surface of malignant cells, thereby initiating an immune response. By using the scFv fragment, CAR-T cells can specifically target these cancer cells while minimizing off-target effects.

The inclusion of the 41BB (also known as CD137) costimulatory domain is crucial for enhancing T cell activation and persistence. 41BB signaling promotes T cell survival, proliferation, and function, especially in inflammatory environments. This co-stimulatory signal works synergistically with T cell receptor signals from the CD3zeta domain, which plays a crucial role in initiating cytotoxic responses. The CD3zeta chain provides the necessary signaling cascade, leading to T cell activation, cytokine production, and subsequent tumor cell destruction. The lentiviral vector used to deliver this CAR construct is able to stably integrate into the T cell genome. This is a significant advantage because it enables long-term expression of the CAR, ensuring that the modified T cells can continue to recognize and eliminate malignant cells for a longer period of time. In addition, lentiviral vectors can transduce both dividing and non-dividing cells, thereby improving the production efficiency of CAR-T cells.
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Customer Reviews
Fast Shipping & Quality Control

Received the virus quickly with comprehensive QC data (e.g., purity, infectivity). No delays in our timeline!

United Kingdom

05/22/2024

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