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Application: Screen for inhibitors of EGFRvIII signaling for immuno-oncology research and drug discovery.
Background: Background The epidermal growth factor receptor (EGFR, ErbB-1, HER1) belongs to a family of receptor tyrosine kinases that includes three other closely-related members (HER2, HER3 and HER4). EGFR gene amplification, mutation and re-arrangement are frequently observed in primary glioblastoma multiforme (GBM). The most common EGFR variant in GBM, EGFRvIII, is characterized by a deletion of 267 amino acids in the extracellular domain, leading to a receptor that is unable to bind ligand yet is constitutively active. EGFRvIII enhances the tumorigenic potential of GBM by activating and sustaining mitogenic, anti-apoptotic, and pro-invasive signaling pathways.
Description: Recombinant hEGFRvIII-CHO K1 cell line stably expressing full-length human EGFRvIII receptor (accession number NP_001333870). Surface expression of hEGFRvIII was confirmed by flow cytometry. Each stable clonal cell line was selected for different levels of hEGFRvIII expression (High and Low) to mimic different stages of cancer target cells with various EGFRvIII expression levels.
Host Cell Line: CHO-K1
Mycoplasma Testing: The cell line has been screened to confirm the absence of Mycoplasma species.
Storage Stability: Cells will arrive upon dry ice and should immediately be thawed or stored in liquid nitrogen upon receipt. Do not use a -80°C freezer for long term storage.
Supplied As: 2 vials of frozen cells. 2 x 10^6 in 1 ml of 90% FBS, 10% DMSO
Warnings: Avoid freeze/thaw cycles.
Biosafety Level: BSL-1
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