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Synonym
EGFRvIII
Source
APC-Labeled Human EGFRvIII, His Tag (EGI-HA2H5) is produced via conjugation of APC to Human EGFRvIII, His Tag with a new generation site-specific technology under Star Staining labeling platform. Human EGFRvIII, His Tag is expressed from human 293 cells (HEK293). It contains AA Leu 25 - Ser 378 (Accession # NP_001333870.1).
Predicted N-terminus: Leu 25
Molecular Characterization
This protein carries a polyhistidine tag at the C-terminus.
Conjugate
APC
Excitation Wavelength: 640 nm
Emission Wavelength: 661 nm
Purity
>90% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, 0.2% BSA, pH7.4 with trehalose as protectant.
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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.
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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
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Performance Data
Evaluation of CAR expression
FACS Analysis of Anti-EGFRvIII CAR Expression
5e5 of anti-EGFRvIII CAR-293 cells were stained with 100 μL of 1:50 dilution (2 μL stock solution in 100 μL FACS buffer) of APC-Labeled Human EGFRvIII, His Tag (Cat. No. EGI-HA2H5) and negative control protein respectively (Fig. C and B), and non-transfected 293 cells were used as a control (Fig. A). APC signal was used to evaluate the binding activity (QC tested).
ProtocolFACS Analysis of Non-specific binding to PBMCs
5e5 of PBMCs were stained with APC-Labeled Human EGFRvIII, His Tag (Cat. No. EGI-HA2H5) and anti-CD3 antibody, washed and then analyzed with FACS. FITC signal was used to evaluate the expression of CD3+ T cells in PBMCs, and APC signal was used to evaluate the non-specific binding activity to PBMCs (QC tested).
Protocol
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Background
The type III EGF deletion mutant receptor (EGFRvIII) is the most common mutation and was first identified in primary human glioblastoma tumors. This tumor-specific antigen is ligand-independent, contains a constitutively active tyrosine kinase domain, and has been shown to be present in a number of human malignancies. EGFRvIII has been selected as a target for CAR-modified T-cell studies in recent years.
Recent Advances
Drug Development Progress- English Name：
Epidermal growth factor receptor variant III
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
14 Details
- Highest Development Stage：
Phase 2 Clinical
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