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PE-Labeled Monoclonal Anti-Human CD19 Antibody, Mouse IgG2a (FMC63)

抗体来源(Source)

Monoclonal Anti-Human CD19 Antibody, Mouse IgG2a (FMC63) is a mouse monoclonal antibody recombinantly expressed from human 293 cells (HEK293), which provides higher batch consistency and long term security of supply.

应用(Application)

Flow Cytometry (Evaluation of the expression of CD19 on Human cells).

克隆号(Clone)

FMC63

种属(Species)

Mouse

亚型(Isotype)

Mouse IgG2a | kappa

特异性(Specificity)

This product is a specific antibody specifically reacts with CD19 protein.

种属反应性(Reactivity)

Human

免疫原(Immunogen)

Human prolymphocytic leukaemia cell line JVM3.

偶联(Conjugate)

PE

Excitation Wavelength: 488 nm / 561 nm

Emission Wavelength: 575 nm

同型对照(Isotype Control)

The Isotype control is sold separately and you can search for Cat. No. DNP-PM487 for product information.

推荐稀释比(Recommended Dilution)

1:50

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, 0.03% Proclin 300, pH7.4, 0.2% BSA with trehalose as protectant.

Contact us for customized product form or formulation.

重构方法(Reconstitution)

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

存储(Storage)

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please protect from light and avoid repeated freeze-thaw cycles.

This product is stable after storage at:

  1. -20°C to -70°C for 24 months in lyophilized state;
  2. -70°C for 12 months after reconstitution.
  3. 2-8 °C for 12 month after reconstitution.
 

活性(Bioactivity)-FACS

FMC63 FACS

Flow cytometric analysis of HEK293/Human CD19 Stable Cell Line staining with PE-Labeled Monoclonal Anti-Human CD19 Antibody, Mouse IgG2a (FMC63) (Cat. No. FM3-PCFM7) at 1:50 dilution (2 μL of the antibody stock solution corresponds to labeling of 1e6 cells in a final volume of 100 µL), compared with isotype control antibody. PE signal was used to evaluate the binding activity (QC tested).

Protocol

FMC63 FACS

Non-specificity of PE-Labeled Monoclonal Anti-Human CD19 Antibody, Mouse IgG2a (FMC63) (Cat. No. FM3-PCFM7) binding to CD3+ cells present in human PBMC. Human PBMCs were simultaneously stained with FITC-labeled anti-CD3 antibody and PE-Labeled Monoclonal Anti-Human CD19 Antibody, Mouse IgG2a (FMC63) (2 μL of the antibody stock solution corresponds to labeling of 5e5 cells in a final volume of 100 µL), washed and then analyzed with FACS. Both FITC and PE positive signals was used to evaluate the non-specific binding activity to human CD3+ cells (Routinely tested).

Protocol

 

背景(Background)

FMC63 is an IgG2a mouse monoclonal antibody specific for CD19, which is a target for the immunotherapy of B lineage leukaemias and lymphomas. FMC63 scFv is the most commonly used ectodomain component of CD19-specific CARs. So far, most of reported CART19 trials contain the anti-CD19 scFv derived from FMC63, including the two FDA-approved CARs Kymriah and Yescarta.

 

前沿进展

 
 
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