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Key Documents

E1780

Sigma-Aldrich

Anti-phospho-Epidermal Growth Factor Receptor (pTyr992) antibody produced in rabbit

affinity isolated antibody, buffered aqueous glycerol solution

Synonym(s):

Anti-phospho-EGFR (pTyr992)

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About This Item

MDL number:
UNSPSC Code:
51111800
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous glycerol solution

mol wt

antigen ~185 kDa

species reactivity

mouse (predicted), human, rat (predicted), chicken (predicted)

technique(s)

western blot: 1:1,000 using human epidermoid carcinoma A431 cells

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

Gene Information

human ... EGFR(1956)
mouse ... Egfr(13649)
rat ... Egfr(24329)

General description

The members of epidermal growth factor receptor (EGF R) or the ErbB receptor family have been identified as useful biomarkers and targets for cancer therapy. The EGFR family includes four receptor tyrosine kinases, EGF R (ErbB1), ErbB2 (neu), ErbB3, and ErbB4. EGF R binds EGF and induces tyrosine phosphorylation leading to proliferation of cells. EGF R is present on many cell types of epithelial and mesenchymal lineages. EGF R is capable of binding transforming growth factor-α and heparin-binding EGF in addition to EGF. There are numerous effector molecule activated by EGF R that result in a variety of biological processes such as morphogenesis, cell motility, apoptosis, differentiation and organ repair and maintenance. Deregulation of EGF R signaling is implicated in progression of a wide variety of tumors, invasion and metastasis. Tyrosine 992 of EGF R is autophosphorylation site and required for increasing the signalling capacity of EGF R
Anti-phospho-EGFR [pTyr992] specifically recognizes human EGFR phosphorylated at tyrosine 992 (~185 kDa). Cross reactivity may be observed with mouse, rat and chicken.

Immunogen

synthetic phosphopeptide derived from the region of human EGFR that contains tyrosine 992. The sequence is conserved in mouse and rat with 100% homology. Chicken EGFR is 80% homologous.

Application

Anti-phospho-EGFR [pTyr992] antibody may be used at a working dilution of 1:1000 for immunoblotting using A431 cells.

Physical form

Solution in Dulbecco′s phosphate buffered saline (without Mg2+ and Ca2+) containing 50% glycerol with 1 mg/mL BSA (protease and IgG-free) and 0.05% sodium azide.

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Storage Class Code

10 - Combustible liquids


Certificates of Analysis (COA)

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Nicole K Nickerson et al.
Oncology research, 20(7), 303-317 (2013-07-25)
Epidermal growth factor receptor (EGFR) expression has been linked to progression of basal breast cancers. Many breast cancer cells harbor the EGFR and produce its family of ligands, suggesting they may participate in autocrine and paracrine signaling with cells of
Parthasarathy Seshacharyulu et al.
Expert opinion on therapeutic targets, 16(1), 15-31 (2012-01-14)
Cancer is a devastating disease; however, several therapeutic advances have recently been made, wherein EGFR and its family members have emerged as useful biomarkers and therapeutic targets. EGFR, a transmembrane glycoprotein is a member of the ERBB receptor tyrosine kinase
Rachana Patel et al.
Current pharmaceutical design, 18(19), 2672-2679 (2012-03-07)
Members of epidermal growth factor receptor (EGFR) or ErbB receptor family play a critical role in a wide range of human cancers. In the past decade, there has been a remarkable progress in developing ErbB targeted therapeutics. However, a substantial
H Keilhack et al.
The Journal of biological chemistry, 273(38), 24839-24846 (1998-09-12)
The protein-tyrosine phosphatase SHP-1 binds to and dephosphorylates the epidermal growth factor receptor (EGFR), and both SH2 domains of SHP-1 are important for this interaction (Tenev, T., Keilhack, H., Tomic, S., Stoyanov, B., Stein-Gerlach, M., Lammers, R., Krivtsov, A. V.
A Wells
The international journal of biochemistry & cell biology, 31(6), 637-643 (1999-07-15)
The receptor for the epidermal growth factor (EGF) and related ligands (EGFR), the prototypal member of the superfamily of receptors with intrinsic tyrosine kinase activity, is widely expressed on many cell types, including epithelial and mesenchymal lineages. Upon activation by

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