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Human EGFR / HER1 / ErbB1 ELISA Pair Set

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Human EGFR/ErbB1/HER1 Materials provided
Capture Ab:0.2 mg/mL of rabbit anti-EGFR monoclonal antibody. Dilute to a working concentration of 0.25 μg/mL in CBS before coating.
Detection Ab:0.5 mg/mL rabbit anti-EGFR monoclonal antibody conjugated to horseradish-peroxidase (HRP). Dilute to working concentration of 0.5 μg/mL in detection antibody dilution buffer before use.
Standard:Each vial contains 75 ng of recombinant EGFR. Reconstitute with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -80℃ in a manual defrost freezer. A seven-point standard curve using 2-fold serial dilutions in sample dilution buffer, and a high standard of 1 ng/mL is recommended.
Human EGFR/ErbB1/HER1 Sensitivity
The minimum detectable dose of Human EGFR / HER1 / ErbB1 was determined to be approximately 15.6 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
Human EGFR/ErbB1/HER1 Principle of the product
The Human EGFR / HER1 / ErbB1 ELISA Pair Set is for the quantitative determination of Human EGFR / HER1 / ErbB1.
This ELISA Pair Set contains the basic components required for the development of sandwich ELISAs.
The Sino Biological ELISA Pair Set is a solid phase sandwich ELISA (Enzyme-Linked Immunosorbent Assay). It utilizes a monoclonal antibody specific for EGFR / HER1 / ErbB1 coated on a 96-well plate. Standards and samples are added to the wells, and any EGFR / HER1 / ErbB1 present binds to the immobilized antibody. The wells are washed and a horseradish peroxidase conjugated rabbit anti-EGFR / HER1 / ErbB1 monoclonal antibody is then added, producing an antibody-antigen-antibody “sandwich”. The wells are again washed and TMB substrate solution is loaded, which produces color in proportion to the amount of EGFR / HER1 / ErbB1 present in the sample. To end the enzyme reaction, the stop solution is added and absorbances of the microwell are read at 450 nm.
Human EGFR/ErbB1/HER1 Storage
Capture Antibody: Aliquot and store at -20℃ to -80℃ for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Detection Antibody: Protect it from prolonged exposure to light. Aliquot and store at -20℃ to -80℃ and for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Standard: Store lyophilized Standard at -20℃ to -80℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -80℃ for up to 1 month. Avoid repeated freeze-thaw cycles.
Human EGFR/ErbB1/HER1 ELISA Pair Set Standard Curve
EGFR/HER1 Background

As a member of the epidermal growth factor receptor (EGFR) family, EGFR protein is type I transmembrane glycoprotein that binds a subset of EGF family ligands including EGF, amphiregulin, TGF-α, betacellulin, etc. EGFR protein plays a crucial role in signaling pathway in the regulation of cell proliferation, survival and differentiation. Binding of a ligand induces EGFR protein homo- or heterodimerization, the subsequent tyrosine autophosphorylation and initiates various down stream pathways (MAPK, PI3K/PKB and STAT). In addition, EGFR signaling also has been shown to exert action on carcinogenesis and disease progression, and thus EGFR protein is proposed as a target for cancer therapy currently.

Human EGFR/HER1 References
  • Schlessinger, J. (2000) Cell signaling by receptor tyrosine kinases. Cell 103(2): 211-25.
  • Giaccone, G. (2005) HER1/EGFR-targeted agents: predicting the future for patients with unpredictable outcomes to therapy. Ann. Oncol. 16(4): 538-48.
  • Yarden, Y., et al. (2001) Untangling the ErbB signalling network. Nat. Rev. Mol. Cell. Biol. 2(2): 127-37.
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