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Updated: Sep 27, 2026

Screening and Identification of Small Peptides Targeting Fibroblast Growth Factor Receptor2 using a Phage Display Peptide Library
Published on: September 30, 2019
Small-molecule inhibitors of fibroblast growth factor receptor (FGFR) tyrosine kinases (TK)
Fabrizio Manetti1, Maurizio Botta
1Dipartimento Farmaco Chimico Tecnologico, Università degli Studi di Siena, Via Aldo Moro, I-53100 Siena, Italy.
Abstract:
Fibroblast growth factor receptors (FGFR) are members of a family of polypeptides synthesized by a variety of cell types during the processes of embryonic development and in adult tissues. FGFR have been detected in normal and malignant cells and are involved in biological events that include mitogenic and angiogenic activity with a consequent crucial role in cell differentiation and development. To activate signal transduction pathways, FGFR are coupled to fibroblast growth factors (FGF) and heparan sulfate (HS) proteoglycans to form a biologically fundamental ternary complex. Based on these considerations, a variety of inhibitors able to block the signaling cascade through a direct interaction with FGFR have been designed and investigated for their biological properties related to antiangiogenesis and antitumor activity. The purpose of this review is to focus on synthetic chemical approaches aimed at blocking tyrosine kinase (TK) receptors, members of the FGFR family. In particular, a literature survey aimed at summarizing on the structural properties that a compound should possess to show affinity toward FGFR is presented, and structure-activity relationships (SAR) on FGFR inhibitors are delined.
Insights
This review explores synthetic chemical strategies targeting Fibroblast Growth Factor Receptors (FGFR) to inhibit cancer growth. It details structural properties and structure-activity relationships (SAR) for developing effective FGFR inhibitors.
Area of Science:
- Molecular Biology
- Medicinal Chemistry
- Oncology
Background:
- Fibroblast Growth Factor Receptors (FGFR) are key polypeptides in development and adult tissues.
- FGFR signaling is crucial for cell differentiation, development, mitogenesis, and angiogenesis.
- FGFR are implicated in both normal and malignant cellular processes.
Purpose of the Study:
- To review synthetic chemical approaches targeting Fibroblast Growth Factor Receptors (FGFR).
- To summarize structural properties required for FGFR affinity.
- To define structure-activity relationships (SAR) for FGFR inhibitors.
Main Methods:
- Literature survey of synthetic chemical inhibitors targeting FGFR.
- Analysis of structural properties conferring FGFR affinity.
- Examination of structure-activity relationships (SAR) for FGFR inhibitors.
Main Results:
- FGFR inhibitors are designed to block signaling cascades via direct interaction with FGFR.
- Inhibitors investigated for antiangiogenic and antitumor activities.
- Key structural features for FGFR affinity are identified.
Conclusions:
- Synthetic chemistry offers viable strategies for developing FGFR inhibitors.
- Understanding SAR is critical for designing potent and selective FGFR-targeted therapies.
- FGFR inhibitors hold promise for antiangiogenesis and antitumor applications.
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