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In Vitro Methods for Comparing Target Binding and CDC Induction Between Therapeutic Antibodies: Applications in Biosimilarity Analysis
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
In Vitro Methods for Comparing Target Binding and CDC Induction Between Therapeutic Antibodies: Applications in Biosimilarity Analysis
DOI:

07:25 min

May 04, 2017

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Chapters

  • 00:05Title
  • 00:48Flow Cytometric Target Binding Analysis
  • 03:35Complement-dependent Cytotoxicity (CDC) Assessment
  • 05:29Results: Representative Anti-CD20 Therapeutic Monoclonal Antibody Analyses
  • 06:38Conclusion

Summary

Automatic Translation

This protocol describes the in vitro comparison of two key functional characteristics of rituximab: target binding and complement-dependent cytotoxicity (CDC) induction. The methods were employed for a side-to-side comparison between reference rituximab and a rituximab biosimilar. These assays can be employed during biosimilar development or as a quality control in their production.

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