Cetuximab antibody | AbD19815_hIgG1

Human anti Cetuximab

Product Type
Monoclonal Antibody
Clone
AbD19815_hIgG1
Isotype
IgG1
Specificity
Cetuximab

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HCA223
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Human anti Cetuximab, clone AbD19815_hIgG1, is an anti-idiotypic antibody that binds specifically to cetuximab and inhibits the binding of the drug to its target, epidermal growth factor receptor (EGFR). It can be used in bioanalytical assays to measure the levels of cetuximab and biosimilar products in preclinical research and clinical trials.

Human anti Cetuximab, clone AbD19815_hIgG1 is a fully human antibody and is particularly suited as a calibrator for immune response assays to measure the anti-drug antibody (ADA) levels in patient sera.

Cetuximab (brand name Erbitux®) is a chimeric monoclonal antibody drug (IgG1/kappa) approved for treatment of KRAS wild-type metastatic colorectal cancers and squamous cell carcinoma of the head and neck. This therapeutic antibody is directed against EGFR and inhibits tumor cell proliferation by blocking the interaction of epidermal growth factor (EGF) with its receptor.

View a summary of all anti cetuximab antibodies.

Product Form
Human IgG1 antibody (lambda light chain) selected from the HuCAL phage display library and expressed in a human cell line. This product is supplied as a liquid.
Preparation
Purified IgG prepared by affinity chromatography on Protein A.
Buffer Solution
Phosphate buffered saline.
Preservative Stabilisers
0.01% Thiomersal.
Immunogen
Cetuximab.
Affinity
The monovalent intrinsic affinity of this antibody was measured as KD = 10.5 nM by real time, label free molecular interaction analysis on immobilized cetuximab.
Approx. Protein Concentrations
IgG concentration 0.5 mg/ml.
Regulatory
For research purposes only.
Guarantee
12 months from date of despatch.
Acknowledgements
This product and/or its use is covered by claims of U.S. patents, and/or pending U.S. and non-U.S. patent applications owned by or under license to Bio-Rad Laboratories, Inc. See bio-rad.com/en-us/trademarks for details.

This product is shipped at ambient temperature. It is recommended to aliquot and store at -20°C on receipt. When thawed, aliquot the sample as needed. Keep aliquots at 2-8°C for short term use (up to 4 weeks) and store the remaining aliquots at -20°C.

Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
ELISA
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using appropriate negative/positive controls.
Technical Advice
Recommended protocols and further information about HuCAL recombinant antibody technology can be found in the HuCAL Antibodies Technical Manual.
ELISA
This product is suitable for use in direct ELISA applications or as a bridging reagent in ADA assays.
Protocol: ADA bridging ELISA.

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Further Reading

  1. Gomez, D. et al. (2013) Cetuximab therapy in the treatment of metastatic colorectal cancer: the future frontier?
    Int J Surg. 11 (7): 507-13.

Licensed Use
For in vitro research purposes and for commercial applications for the provision of in vitro testing services to support preclinical and clinical drug development. Any re-sale in any form or any other commercial application needs a written agreement with Bio-Rad.
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Please Note: All Products are "FOR RESEARCH PURPOSES ONLY"