Human Anti-Tocilizumab Antibody, clone AbD21364_hIgG1 is a paratope specific, anti-idiotypic antibody that binds to free tocilizumab but not to human Interleukin-6 Receptor (IL-6R) or the drug/IL-6R complex. Clone AbD21364_hIgG1 is a fully human recombinant monoclonal antibody with IgG1 isotype and is suitable as a surrogate positive control or calibrator (high affinity) in an anti-drug antibody (ADA) assay.Tocilizumab (RoActemra/Actemra) is a humanized IgG1/kappa monoclonal antibody approved for the treatment of moderate to severe rheumatoid arthritis and for the treatment of systemic juvenile idiopathic arthritis. The therapeutic antibody is directed against IL-6R and acts by blocking the binding of IL-6R (both the soluble form, sIL-6R, and the membrane bound form, mIL-6R) to IL-6, thus impeding the pro-inflammatory properties of this cytokine.View a summary of all anti-tocilizumab antibodies
- Product Form
- Human IgG1 antibody (lambda light chain) selected from the HuCAL® phage display library and expressed in a human cell line. This antibody 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
- Tocilizumab
- Affinity
- The monovalent intrinsic affinity of this antibody was measured as KD = 0.3 nM by real time, label free molecular interaction analysis on immobilized tocilizumab.
- Approx. Protein Concentrations
- Antibody concentration 0.5 mg/ml
- Storage
- Store at +4oC or at -20oC if preferred.Storage in frost-free freezers is not recommended.This product should be stored undiluted. Avoid repeated freezing and thawing as this may denature the antibody. Should this product contain a precipitate we recommend microcentrifugation before use
- Guarantee
- 12 months from date of despatch
- Acknowledgements
- Sold under license of U.S. Patents 6753136, 7785859 and 8273688 and corresponding patents. This antibody was developed by Bio-Rad, Zeppelinstr. 4, 82178 Puchheim, Germany.Actemra® and RoActemra® are registered trademarks of Hoffman-La Roche and Chugai Pharmaceuticals co., Ltd.
- 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
- Regulatory
- For research purposes only
Applications of Tocilizumab antibody
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 theHuCAL Antibodies Technical Manual
- ELISA
- This product may be used in a direct ELISA or as a detection reagent in a bridging ELISA together with HCA252 as the capture reagent.Protocol: PK bridging ELISA to measure free drugThis antibody is fully human and can be used as a reference standard in an ADA assay.Protocol: ADA bridging ELISA
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Useful Reagents Available
| Description | Product Code | Applications | Pack Size | Your Price | List Price | Quantity |
|---|
| Hispec Assay Diluent | BUF049A | E IY | 50 ml | Log in | | |
| Human anti Tocilizumab | HCA252 | E* | 0.1 mg | Log in |  | |
| Human anti Tocilizumab | HCA253 | E | 0.1 mg | Log in |  | |
| Human anti Tocilizumab | HCA255 | E | 0.1 mg | Log in |  | |
| Human anti Tocilizumab | HCA256 | E | 0.1 mg | Log in |  | |
| Human anti Tocilizumab | HCA257 | E | 0.1 mg | Log in |  | |
| LYNX Rapid HRP Antibody Conjugation Kit | LNK001P | CJ | 1 Conjugation For 400µg Antibody | Log in | | |
| LYNX Rapid HRP Antibody Conjugation Kit | LNK002P | CJ | 3 Conjugations For 400µg Antibody | Log in | | |
| LYNX Rapid HRP Antibody Conjugation Kit | LNK003P | CJ | 1 Conjugation For 4mg Antibody | Log in | | |
| LYNX Rapid HRP Antibody Conjugation Kit | LNK004P | CJ | 5 Conjugations For 4mg Antibody | Log in | | |
| LYNX Rapid HRP Antibody Conjugation Kit | LNK005P | CJ | 1 Conjugation For 20mg Antibody | Log in | | |
| LYNX Rapid HRP Antibody Conjugation Kit | LNK006P | CJ | 3 Conjugations For 40µg Antibody | Log in | | |