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Updated: Jul 6, 2026
04:47
A Method to Assess Fc-mediated Effector Functions Induced by Influenza Hemagglutinin Specific Antibodies
Published on: February 23, 2018
Analyzing antibody-Fc-receptor interactions.
Falk Nimmerjahn1, Jeffrey V Ravetch
1Laboratory of Experimental Immunology and Immunotherapy, University of Erlangen-Nuernberg, Nikolaus-Fiebiger-Center for Molecular Medicine, Erlangen, Germany.
Methods in Molecular Biology (Clifton, N.J.)
|March 29, 2008
Summary
Analyzing antibody-Fc receptor (Ab-FcR) interactions in vitro is crucial for predicting in vivo antibody activity. Methods like ELISA and FACS help study these interactions, informing effector mechanisms and binding characteristics.
Area of Science:
- Immunology
- Biochemistry
Background:
- Cellular receptors for immunoglobulins (Fc-receptors; FcR) mediate antibody-triggered effector functions.
- Immune complex (IC) binding to FcRs initiates inflammatory responses, antibody-dependent cellular cytotoxicity (ADCC), and phagocytosis.
Purpose of the Study:
- To outline methods for analyzing antibody-FcR (Ab-FcR) interactions in vitro.
- To determine effector mechanisms, binding characteristics, and affinity parameters influencing in vivo antibody activity.
Main Methods:
- Generation of immune complexes (ICs) and soluble FcR variants.
- Enzyme-linked immunosorbent assay (ELISA) for studying Ab-FcR interactions.
- Fluorescence-activated cell sorting (FACS)-based assays for Ab-FcR interaction analysis.
Main Results:
- The described methods enable detailed analysis of Ab-FcR binding.
- In vitro data provides insights into FcR-mediated effector functions.
- Characterization of binding kinetics and affinity is achievable.
Conclusions:
- In vitro analysis of Ab-FcR interactions is essential for predicting in vivo antibody efficacy.
- ELISA and FACS assays are valuable tools for FcR research.
- Understanding these interactions aids in the development of therapeutic antibodies.
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