Ustekinumab antibody | AbD17829_hIgG1

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Human anti Ustekinumab

Anti-ustekinumab antibody is a recombinant, neutralizing anti-idiotypic antibody in fully human immunoglobulin format; it is suitable as a reference standard in an immune response assay to measure anti-drug antibody levels for ustekinumab or biosimilars.

Product Type
Monoclonal Antibody
Clone
AbD17829_hIgG1
Isotype
IgG1
Product Code Applications Pack Size List Price Quantity
HCA211
Datasheet
E
SDS
0.1 mg loader

Human Anti-Ustekinumab Antibody, clone AbD17829_hIgG1 is a paratope specific, anti-idiotypic antibody that specifically recognizes the monoclonal antibody drug ustekinumab and inhibits binding to its target.

Clone AbD17827_hIgG1 is a fully human recombinant monoclonal antibody with IgG1 isotype and is suitable as a surrogate positive control or calibrator in an anti-drug antibody (ADA) assay.

Ustekinumab (Stelara) is a fully human monoclonal antibody drug (IgG1/kappa) that has been approved in US, Canada, and Europe for the treatment of plaque psoriasis and psoriatic arthritis. The FDA approved the medication for the treatment of moderate-severe Crohn's disease in 2016. The drug blocks interleukin IL-12 and IL-23 by binding with high affinity and specificity to the p40 subunit, preventing the binding of these two cytokines to T-lymphocytes, and thereby disrupting the proinflammatory pathway.

View a summary of all anti-ustekinumab antibodies

Product Details

Product Form
Human IgG1 antibody 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 from tissue culture supernatant
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
0.01% Thiomersal
Immunogen
Ustekinumab
Affinity
The monovalent intrinsic affinity of AbD17829 was measured as KD = 2.8 nM by real time, label free molecular interaction analysis on immobilized ustekinumab.
Approx. Protein Concentrations
Antibody concentration 0.5 mg/ml

Storage Information

Storage
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.
Guarantee
12 months from date of despatch

More Information

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.
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 Ustekinumab 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 the HuCAL Antibodies Technical Manual
ELISA
This product may be used in an indirect ELISA or as a detection antibody when conjugated to HRP in a bridging ELISA together with AbD18334 (HCA209) as the capture reagent. Conjugation of this antibody to HRP can be undertaken using a Lynx Rapid HRP conjugation kit, these kits may be purchased from Bio-Rad.
Protocol: PK bridging ELISA to measure free drug
Protocol: ADA bridging ELISA

Useful Reagents Available

Description Product Code Applications Pack Size List Price Quantity
LYNX Rapid HRP Antibody Conjugation Kit LNK001P CJ 1 Conjugation For 400µg Antibody
LYNX Rapid HRP Antibody Conjugation Kit LNK002P CJ 3 Conjugations For 400µg Antibody
LYNX Rapid HRP Antibody Conjugation Kit LNK003P CJ 1 Conjugation For 4mg Antibody
LYNX Rapid HRP Antibody Conjugation Kit LNK004P CJ 5 Conjugations For 4mg Antibody
LYNX Rapid HRP Antibody Conjugation Kit LNK005P CJ 1 Conjugation For 20mg Antibody
LYNX Rapid HRP Antibody Conjugation Kit LNK006P CJ 3 Conjugations For 40µg Antibody

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