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Human HER3 / ErbB3 ELISA Pair Set

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Materials provided
Capture Ab:0.1 mg/mL of mouse anti-ErbB3 monoclonal antibody, Dilute to a working concentration of 2 μg/mL in CBS before coating.
Detection Ab:0.5 mg/mL of rabbit anti-ErbB3 monoclonal antibody conjugated to horseradish-peroxidase (HRP). Dilute to working concentration of 0.25 μg/mL in detection antibody dilution buffer before use.
Standard:Each vial contains 80 ng of recombinant ErbB3. Reconstitute with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -70℃ in a manual defrost freezer. A seven-point standard curve usi ng 2-fold serial dilutions in sample dilution buffer, and a high standard of 1500 pg/mL is recommended.
Sensitivity
The minimum detectable dose of Human HER3 / ErbB3 was determined to be approximately 23.44 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
Principle of the product
The Human HER3 / ErbB3 ELISA Pair Set is for the quantitative determination of Human HER3 / ErbB3.
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 HER3 / ErbB3 coated on a 96-well plate. Standards and samples are added to the wells, and any HER3 / ErbB3 present binds to the immobilized antibody. The wells are washed and a horseradish peroxidase conjugated rabbit anti-HER3 / ErbB3 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 HER3 / ErbB3 present in the sample. To end the enzyme reaction, the stop solution is added and absorbances of the microwell are read at 450 nm.
Storage
Capture Antibody: Aliquot and store at -20℃ to -70℃ 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 -70℃ and for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Standard: Store lyophilized Standard at -20℃ to -70℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -20℃ to -70℃ for up to 1 month. Avoid repeated freeze-thaw cycles.
Image
Human HER3 / ErbB3 ELISA standard curve

Background

ErbB3, also known as Her3(human epidermal growth factor receptor3), is a member of the epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases. This membrane-bound glycoprotein has a neuregulin binding domain but has not an active kinase domain., and therefore can not mediate the intracellular signal transduction through protein phosphorylation. However, its heterodimer with ErbB2 or other EGFR members responsible for tyrosine phosphorylation forms a receptor complex with high affinity, and initiates the related pathway which lead to cell proliferation or differentiation. ErbB3 has been shown to implicated in numerous cancers, including prostate, bladder, and breast tumors. This protein has different isoforms derived from alternative splicing variants, and among which, the secreted isoform lacking the intermembrane region modulates the activity of membrane-bound form.

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Catalog:SEK10201-5
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  • Human HER3 / ErbB3 ELISA standard curve
Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"