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Ustekinumab antibody | AbD17827_hIgG1

Human anti Ustekinumab:HRP

Product Type
Monoclonal Antibody

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Datasheet Datasheet Datasheet
SDS Safety Datasheet SDS
E 0.1 mg loader
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Human Anti-Ustekinumab Antibody, clone AbD17827_hIgG1 is a paratope specific, high affinity, anti-idiotypic antibody that specifically recognizes the monoclonal antibody drug ustekinumab and inhibits binding to its target. The antibody can be used to measure the levels of ustekinumab and biosimilar products in bioanalytical assays.

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. Additionally it can be used to develop a pharmacokinetic (PK) bridging assay to measure free drug. This antibody is recommended as the detection antibody, paired with an anti-ustekinumab antibody in monovalent Fab format as the capture antibody, clone AbD17829 (HCA208) or clone AbD18334 (HCA209).

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
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Product Form
Human IgG1 antibody (kappa light chain) selected from the HuCAL phage display library and expressed in a human cell line. Conjugated to horseradish peroxidase (HRP) - liquid.
Purified IgG prepared by affinity chromatography on Protein A
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
0.01% Thiomersal
The monovalent intrinsic affinity of this antibody is KD=0.2 nM as measured by real time, label-free molecular interaction analysis on immobilized ustekinumab.
Approx. Protein Concentrations
IgG concentration 1.0 mg/ml
For research purposes only
12 months from date of despatch
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 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.

This product is shipped frozen.
When ready to use, thaw and aliquot the sample as needed. Store aliquots at -70°C, if available, otherwise store at -20°C. It is not recommended to keep aliquots at 4°C for more than one week.

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
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.
This product may be used in a direct ELISA or as a detection antibody in a bridging ELISA together with AbD17829 (HCA208) or AbD18334 (HCA209) as the capture reagent.
Protocol: PK bridging ELISA to measure free drug.

Description Product Code Applications Pack Size List Price Your Price Quantity
Hispec Assay Diluent BUF049A E IY 50 ml
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Description Hispec Assay Diluent
Human anti Ustekinumab HCA208 E 0.1 mg loader
List Price Your Price
Description Human anti Ustekinumab
Human anti Ustekinumab HCA209 E 0.1 mg loader
List Price Your Price
Description Human anti Ustekinumab

References for Ustekinumab antibody

  1. Kashiwagi, N. et al. (2017) Method for measuring anti-drug antibody
    US Patent Application US20170315118A1



151995 161451

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Please Note: All Products are "FOR RESEARCH PURPOSES ONLY"

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