Mouse EGF R Quantikine ELISA Kit

  
  • Assay Length
    4.5 hours
  • Sample Type & Volume Required Per Well
    Cell Culture Supernates (50 uL), Serum (10 uL), EDTA Plasma (10 uL), Heparin Plasma (10 uL), Urine (10 uL)
  • Sensitivity
    0.127 ng/mL
  • Assay Range
    0.5 - 30 ng/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Urine)
  • Specificity
    Natural and recombinant mouse EGF R.
  • Cross-reactivity
    < 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
  • Interference
    No significant interference observed with available related molecules.
Product Summary
The Quantikine Mouse EGF R Immunoassay is a 4.5 hour solid phase ELISA designed to measure mouse EGF R levels in cell culture supernates, serum, plasma, and urine. It contains NS0-expressed recombinant mouse EGF R and antibodies raised against the recombinant factor. This immunoassay has been shown to quantitate the recombinant mouse EGF R accurately. Results obtained using natural mouse EGF R showed dose-response curves that were parallel to the standard curves obtained using the recombinant kit standards. These results indicate that this kit can be used to determine relative mass values for natural mouse EGF R.

Precision
Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.
Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in twenty separate assays to assess inter-assay precision. Assays were performed by at least three technicians using two lots of components.
Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma
Intra-Assay Precision Inter-Assay Precision
Sample123123
n202020202020
Mean1.112.585.410.9762.425.13
Standard Deviation0.0490.080.1590.090.1140.197
CV%4.43.12.99.24.73.8

Recovery

The recovery of mouse EGF R spiked to three levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 103 94-107
Urine (n=4) 86 79-94
Linearity
To assess the linearity of the assay, samples containing and/or spiked with high concentrations of mouse EGF R were serially diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Mouse EGF R Quantikine ELISA Kit
Preparation and Storage
  • Storage
    Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: EGF R/ErbB1
The EGF R subfamily of receptor tyrosine kinases comprises four members: EGF R (also known as HER-1, ErbB1, or ErbB), ErbB2 (Neu, HER-2), ErbB3 (HER-3), and ErbB4 (HER-4). All family members are type I transmembrane glycoproteins with an extracellular ligand binding domain containing two cysteine-rich domains separated by a spacer region and a cytoplasmic domain containing a membrane-proximal tyrosine kinase domain followed by multiple tyrosine autophosphorylation sites. The human EGF R cDNA encodes a 1210 amino acid (aa) precursor with a 24 aa signal peptide, a 621 aa extracellular domain (ECD), a 23 aa transmembrane segment, and a 542 aa cytoplasmic domain. Soluble receptors consisting of the extracellular ligand binding domain are generated by alternate splicing in human and mouse. Within the ECD, human EGF R shares 88% aa sequence identity with mouse and rat EGF R. It shares 43% - 44% aa sequence identity with the ECD of human ErbB2, ErbB3, and ErbB4. EGF R binds a subset of the EGF family ligands, including EGF, amphiregulin, TGF-alpha, betacellulin, epiregulin, HB-EGF, and epigen. Ligand binding induces EGF R homodimerization as well as heterodimerization with ErbB2, resulting in kinase activation, heterodimerization tyrosine phosphorylation and cell signaling. EGF R can also be recruited to form heterodimers with the ligand-activated ErbB3 or ErbB4. EGF R signaling regulates multiple biological functions including cell proliferation, differentiation, motility, and apoptosis. EGF R is overexpressed in a wide variety of tumors and is the target of several anti-cancer drugs.
    • Long Name
      Epidermal Growth Factor Receptor/Receptor Tyrosine Protein Kinase ErbB1
    • Entrez Gene IDs
      1956 (Human); 13649 (Mouse);
    • Alternate Names
      avian erythroblastic leukemia viral (v-erb-b) oncogene homolog; cell growth inhibiting protein 40; cell proliferation-inducing protein 61; EC 2.7.10; EC 2.7.10.1; EGF R/ErbB1; EGFR; epidermal growth factor receptor (avian erythroblastic leukemia viral (v-erb-b)oncogene homolog); epidermal growth factor receptor; ErbB; ErbB1; ERBB1PIG61; HER1; HER-1; mENA; Proto-oncogene c-ErbB-1; Receptor tyrosine-protein kinase erbB-1;
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