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scFv(CD19)-41BB-CD3zeta CAR-T Lentivirus

scFv(CD19)-41BB-CD3zeta CAR-T Lentivirus

Cat.No. :  LVG00002Z

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

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Gene Informationn

Cat. No. LVG00002Z
Description Lentivirus particles containing second generation of anti-CD19 CAR (chimeric antigen receptor) scFv-41BB-CD3zeta.
Target Gene CD19
Application The scFv(CD19)-41BB-CD3zeta CAR-T lentivirus is intended for use in generating CAR-T (chimeric antigen receptor T cell) therapies that specifically target cells expressing CD19. Applications for research using the scFv(CD19)-41BB-CD3zeta CAR-T lentivirus include: Development of CAR-T therapies: Researchers can use this lentivirus to transduce (introduce) T cells to express a chimeric antigen receptor (CAR) that targets CD19. These modified T cells can be used to study the efficacy, mechanism, and optimization of CAR-T cell therapies. Cancer research: By targeting CD19, researchers can study the therapeutic potential and mechanism of CAR-T cells in treating B-cell malignancies. This may involve in vitro studies using cell lines or in vivo studies using animal models. Signal transduction studies: The construct includes costimulatory and activation domains that are critical in T cell signaling. Researchers can study how these domains affect T cell behavior, survival, and function. T cell biology: Understanding the activation, proliferation, and cytotoxic responses of T cells equipped with different CAR constructs can provide insights into T cell biology and immune responses. Optimization of CAR design: By varying components within the CAR (e.g., using different co-stimulatory domains), researchers can optimize CAR design to improve efficacy, durability, and safety for therapeutic applications.
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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Lentiviral vectors are widely recognized for their efficiency in gene delivery, especially to non-dividing and slowly dividing cells such as T cells. These vectors are derived from the human immunodeficiency virus (HIV) that have been modified to be replication-defective, ensuring their safety for therapeutic use. Lentiviral systems stably integrate genetic material into the host genome, providing long-term expression of the transgene, which is essential for durable responses in CAR-T therapy. After the scFv(CD19)-41BB-CD3zeta CAR construct is introduced into T cells via lentiviral transduction, the T cells are reprogrammed to express the chimeric receptor on their surface. When these modified T cells are reinfused into the patient, they specifically recognize and bind to the CD19 antigen on malignant B cells. Upon binding, the intracellular CD3zeta domain triggers T cell activation and a cytotoxic response against the target cell, while the 41BB co-stimulatory domain amplifies the response, ensuring sustained activity and proliferation of the CAR-T cells. Lentiviral-mediated delivery of the scFv(CD19)-41BB-CD3zeta CAR construct has achieved remarkable success in clinical trials, resulting in significantly improved remission rates in patients with refractory or relapsed B-cell malignancies such as acute lymphoblastic leukemia (ALL) and B-cell non-Hodgkin lymphoma (NHL).
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Customer Reviews
Exceptional Reliability

Consistency in quality and performance is critical for our experiments. The scFv(CD19)-41BB-CD3zeta CAR-T Lentivirus consistently delivers reliable results, which has been instrumental in the success of our ongoing research.

United States

04/27/2020

High-quality

As a principal investigator, I have tried multiple sources for CAR-T lentiviral vectors, but the transduction efficiency of the scFv(CD19)-41BB-CD3zeta lentivirus from Creative Biogene is unmatched.

Germany

02/10/2023

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