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Your Position: ホーム > PK assay kits > CTLA-4 > ECC-V1

ELISA Assay Kit for Anti-CTLA-4 h-mAb in Monkey Serum

For research use only.
Materials Provided
IDComponentsSize (96 tests)Size (480 tests)
PK901-213Human CTLA-415 μg60 μg
PK902-213Biotinylated anti-CTLA-4 antibody10 μg10 μg
PK903-213Streptavidin-HRP5 μg10 μg
PK904-213Anti-CTLA-4 antibody30 μg30 μg
  • Background

    How a therapeutic antibody is metabolized in the body is pertinently relevant to its efficacy. Therefore, pharmacokinetics study is an important part of the drug development.

    CTLA-4 is probably the most targeted molecule in today’s pharmaceutical industry, thanking to the clinical success of Yervoy®. Many investigational anti-CTLA-4 mAbs are being developed. There is a growing need for a standard assay that can be used to facilitate the study of their pharmacokinetics.

  • Assay Principles

    The enclosed ELISA assay kit for anti-CTLA-4 h-mAb in monkey serum is based on an enzyme immunoassay (ELISA) between recombinant CTLA-4 protein (ECD) and a biotinylated anti-CTLA-4 monoclonal antibody. The method employs the principle of competitive ELISA, allowing quantification of monoclonal anti-CTLA-4 antibodies in monkey serum.

    The assay only involves the following steps:

    1. Coat the plate with human CTLA-4;

    2. Add the mixture of your sample and biotinylated anti-CTLA-4 antibody;

    3. Add Streptavidin-HRP followed by TMB or other colorimetric HRP substrate;

    4. Record the OD readings and analyze the serum concentration.

  • Reconstitution

    See Certificate of Analysis for details of reconstitution instruction and specific concentration.

  • Advantages

    Wide Coverage
    There is no requirement for the species and subtype of the antibody.

    Easy Process
    There is no longer a need to generate anti-drug antibodies for PK studies.

    Clean Result
    The use of the biotinylated antibody in the competitive ELISA significantly alleviates the issue of background noise issue that often occurs in traditional ELISA method.

  • Storage

    Upon receipt, please store all items at -20℃.

    After reconstitution, the stock solution should be kept at -80℃.

    It is recommended not to freeze  thaw more than 3 times.

    This product is stable after storage at:

    1. Room temperature (RT) for 1 month in lyophilized state;

    2. -20℃ for 6 months in lyophilized state;

    3. -80℃ for 4 months under sterile conditions after reconstitution.

Typical Data

Inhibition of CTLA-4: biotinylated anti-CTLA-4 antibody binding by an anti-CTLA-4 antibody.

Serial dilutions of the Therapeutic Anti-CTLA-4 Antibody (1:2 serial dilutions, from 20 μg/mL to 0.039 μg/mL) was added into CTLA-4: Biotinylated Anti-CTLA-4 Antibody binding reactions.

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Price(USD) : $316.00

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