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Scalable High Throughput Selection From Phage-displayed Synthetic Antibody Libraries
Published on: January 17, 2015
Isolating recombinant antibodies against specific protein morphologies using atomic force microscopy and phage
Hedieh Barkhordarian1, Sharareh Emadi, Philip Schulz
1Department of Chemical and Materials Engineering, Arizona State University Tempe, AZ 85287, USA.
Protein Engineering, Design & Selection : PEDS
|September 21, 2006
Summary
This study introduces a new method using phage display and atomic force microscopy (AFM) to isolate antibodies targeting specific alpha-synuclein structures. This technique aids in Parkinson's disease research by enabling the selection of antibodies against challenging protein morphologies.
Area of Science:
- Biochemistry
- Immunology
- Neuroscience
Background:
- Isolating antibodies to unstable or morphologically diverse antigens is challenging.
- Alpha-synuclein's various forms are implicated in Parkinson's disease (PD) pathogenesis.
- Understanding these morphologies is crucial for PD therapeutic development.
Purpose of the Study:
- To develop a novel technique for isolating antibodies against specific antigen morphologies.
- To apply this method for selecting antibodies targeting alpha-synuclein.
- To assess the potential therapeutic applications of selected antibodies.
Main Methods:
- Combined phage display antibody technology with atomic force microscopy (AFM).
- AFM was used for antigen visualization and monitoring bio-panning efficiency.
- Antibody fragments were selected against specific alpha-synuclein morphologies.
Main Results:
- Successfully isolated phage-displayed antibodies specific to a target alpha-synuclein morphology.
- Achieved efficient selection in only two rounds.
- Demonstrated the utility of AFM in visualizing antigen morphology and selection progress.
Conclusions:
- The combined phage display-AFM technique is effective for isolating morphology-specific antibodies.
- Selected single-chain fragment variable (scFv) antibodies hold potential for intracellular therapeutic applications in PD.
- This approach offers a powerful tool for studying protein aggregation and developing targeted therapies.
