EGFR Mouse anti-Human, eFluor® 660, Clone: me1B3, eBioscience
Mouse Monoclonal Antibody
Manufacturer: Invitrogen 50950941
Description: This me1B3 monoclonal antibody reacts with human epidermal growth factor receptor (EGFR), also known as ErbB1 and Her1. EGFR is a receptor tyrosine kinase belonging to the EGFR/ErbB receptor subfamily, which also includes ErbB2/Her2/neu. EGFR contains an extracellular ligand-binding domain, a single transmembrane-spanning region, and a cytoplasmic tail containing a tyrosine kinase domain. Specific ligands include EGF and TNF alpha, as well as other members of the EGF protein family. Upon ligand binding, EGFR undergoes receptor-mediated dimerization with itself or ErbB2/Her2/neu. Dimerization induces auto-phosphorylation, resulting in the activation of PLC gamma, JAK/STAT, MAPK/ERK, and PI3K/AKT signaling pathways. EGFR has a role in cell proliferation, migration and differentiation, and is evolutionarily highly conserved in structure and function. EGFR is broadly expressed and is overexpressed or mutated in glioblastomas and a number of different epithelial cancers, including non-small cell lung cancer and colorectal cancer. Applications Reported: This me1B3 antibody has been reported for use in flow cytometric analysis. Applications Tested: This me1B3 antibody has been pre-titrated and tested by flow cytometric analysis of HeLa cells. This can be used at 5 µL (0.125 µg) per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL.Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. eFluor® 660 is a replacement for Alexa Fluor® 647. eFluor® 660 emits at 659 nm and is excited with the red laser (633 nm). Please make sure that your instrument is capable of detecting this fluorochome. Excitation: 633-647 nm; Emission: 668 nm; Laser: Red Laser. Filtration: 0.2 µm post-manufacturing filtered. EGFR (Epidermal growth factor receptor, HER1, ErbB1) is encoded by the EGFR gene located on chromosome 7 in humans. EGFR belongs to the HER/ERbB family of proteins that includes three other receptor tyrosine kinases, ERbB2, ERbB3, ERbB4. EGFR is a transmembrane receptor and binding of its cognate ligands such as EGF (Epidermal Growth Factor) and TGF alpha (Transforming Growth Factor alpha) to the extracellular domain leads to EGFR dimerization followed by autophosphorylation of the tyrosine residues in the cytoplasmic domain. Phosphorylation of EGFR at certain residues is also mediated by Src-non-receptor kinase. EGFR activation signals multiple downstream signaling cascades such as the Ras - ERK, PI3-K - Akt, Jak - STAT and PKC pathways that help in growth and proliferation of cells. Phosphorylation of EGFR at Y1086 specifically allows binding of the adaptor protein GRB2, leading to activation of the MAPK pathway. Upon receptor activation and signaling, EGFR is endocytosed and targeted for degradation or recycling. Mutations in the EGFR gene are associated with lung cancer and multiple alternatively spliced transcript variants encode different protein isoforms of EGFR have been found. Increased production or activation of EGFR has been associated with poor prognosis in a variety of tumors. Moreover, EGFR overexpression is observed in tumors of the head and neck, brain, bladder, stomach, breast, lung, endometrium, cervix, vulva, ovary, esophagus, stomach and in squamous cell carcinoma.
|PBS with 0.1% gelatin, 0.2% BSA and 0.09% sodium azide; pH 7.2|
|ERBB, ERBB1, HER1, PIG61, mENA, avian erythroblastic leukemia viral (v-erb-b) oncogene homolog, cell growth inhibiting protein 40, cell proliferation-inducing protein 61, proto-oncogene c-ErbB-1, receptor tyrosine-protein kinase erbB-1, epidermal growth f|
|4° C, store in dark, DO NOT FREEZE!|
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