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Related Experiment Videos

Engineered human antibodies as immunologic quality control reagents.

R G Hamilton1

  • 1Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.

Annales De Biologie Clinique
|January 1, 1990
PubMed
Summary

Genetically engineered chimeric antibodies offer superior quality control for immunoassays. These reagents provide defined specificity and isotype purity, outperforming traditional human paraproteins in clinical assay validation.

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Area of Science:

  • Immunology
  • Biotechnology
  • Assay Development

Background:

  • Quality control reagents are essential for validating immunoassays.
  • Human paraproteins have limitations as quality control reagents due to isotype heterogeneity.

Purpose of the Study:

  • To demonstrate the utility of genetically-engineered human-mouse chimeric antibodies as quality control reagents.
  • To evaluate these chimeric antibodies for specificity testing in immunoassays.

Main Methods:

  • Development of chimeric antibodies with NP specificity and various human immunoglobulin isotypes.
  • Testing chimeric antibodies as isotype-restricted proteins in immunoassays.
  • Validation of conjugated reagents using chimeric antibodies.

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Main Results:

  • Chimeric antibodies performed effectively as isotype-restricted human immunoglobulin proteins.
  • Demonstrated utility in testing specificity for total serum Ig immunoenzymetric assays.
  • Validated conjugated reagents used in human antibody immunoassays.

Conclusions:

  • Genetically-engineered chimeric antibodies are advantageous quality control reagents.
  • Advantages include single isotype, purity, large-scale production, and defined specificity.
  • These antibodies offer a superior alternative to human paraproteins for clinical assay validation.