ErbB2 antibody | 4D5-8
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|Human Anti-ErbB2 antibody, clone 4D5-8 is a research grade biosimilar of the monoclonal antibody drug trastuzumab. This product is supplied in a research grade format, i.e. in PBS buffer with preservative, it is not manufactured or formulated in the same way as the therapeutic reference product. A preservative free version is available on request.
This product is a recombinant human IgG1 kappa antibody with variable regions from the therapeutic trastuzumab antibody clone 4D5-8.
Human Anti-ErbB2 antibody, clone 4D5-8 is for research use only. It is suitable as a reference standard in a pharmacokinetic (PK) bridging ELISA with anti-trastuzumab antibodies, for example HCA168 and HCA167. It can also be used as capture and detection reagent in an anti-drug antibody (ADA) bridging ELISA, with an anti-trastuzumab antibody in IgG1 format as a reference standard, for example HCA176 or HCA177.
Trastuzumab, also known as Herceptin, is a drug used in the treatment of HER2 positive breast cancer and other HER2 over-expressing cancers including HER2-positive metastatic cancers of the gastrointestinal tract. Trastuzumab binds to the HER2 (or c-erbB2) proto-oncogene, an EGF receptor-like protein found on 20-30% of breast cancer cells. The binding leads to antibody mediated (complement mediated) killing of the HER2 positive cells.
This product is NOT FOR THERAPEUTIC USE.
View a summary of supporting anti-trastuzumab antibody products.
- Target Species
- Product Form
- Human IgG1 (kappa) antibody - liquid
- Purified recombinant IgG prepared by affinity chromatography on Protein A from a mammalian cell line
- Buffer Solution
- Phosphate buffered saline
- Preservative Stabilisers
- 0.02% Proclin 300
- A431 cells (human epidermoid carcinoma) (over)expressing EGFR
- >98% by SDS PAGE
- Approx. Protein Concentrations
- IgG concentration 1.0 mg/ml
- For research purposes only
- 12 months from date of despatch
Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.
|Application Name||Verified||Min Dilution||Max Dilution|
Pivot, X. et al. (2015) Challenges in the implementation of trastuzumab biosimilars: an expert panel's recommendations.
Anticancer Drugs. 26 (10): 1009-16.
- Licensed Use
- For in vitro research purposes only. Research grade biosimilar. Not for use in therapeutic or diagnostic procedures for humans or animals.
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