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Screening and Identification of Small Peptides Targeting Fibroblast Growth Factor Receptor2 using a Phage Display Peptide Library
Published on: September 30, 2019
Phage display screen for peptides that bind Bcl-2 protein.
Hye-Yeon Park1, Joungmok Kim, June-Haeng Cho
1Department of Chemistry, College of Natural Sciences, Hanyang University, Seoul, Korea.
Journal of Biomolecular Screening
|December 7, 2010
Summary
Researchers identified high-affinity Bcl-2 binding peptides using phage display. These peptides show potential for developing new cancer diagnostic probes and inhibitors, targeting overexpressed Bcl-2 protein in cancer cells.
Area of Science:
- Molecular Biology
- Oncology
- Biotechnology
Background:
- Bcl-2 family proteins regulate apoptosis, a process crucial in human diseases like cancer.
- Overexpression of Bcl-2 protein is common in various cancer cells, making it a potential diagnostic target.
- Developing targeted diagnostics and therapeutics for cancer remains a significant challenge.
Purpose of the Study:
- To identify high-affinity binding peptides for Bcl-2 protein.
- To explore the potential of these peptides in developing novel cancer diagnostic tools and inhibitors.
- To investigate peptides derived from M13 phage display screening.
Main Methods:
- Screening of a 5-round M13 phage display library.
- Affinity selection of peptides binding to Bcl-2 protein.
- Characterization of peptide binding affinity in the picomolar range.
Main Results:
- Several Bcl-2 binding peptides with high affinity (picomolar range) were identified.
- The identified peptides demonstrate specific binding to Bcl-2 protein.
- Phage display proved effective in isolating high-affinity binders.
Conclusions:
- The identified Bcl-2 binding peptides represent promising candidates for novel diagnostic probes.
- These peptides can be engineered into potent inhibitors for cancer therapy.
- The findings support the development of peptide-based strategies targeting Bcl-2 in cancer detection and treatment.
