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Updated: May 21, 2026

Screening and Identification of Small Peptides Targeting Fibroblast Growth Factor Receptor2 using a Phage Display Peptide Library
Published on: September 30, 2019
Fibroblast growth factor receptor 2: expression, roles, and potential as a novel molecular target for colorectal
Yoko Matsuda1, Junji Ueda, Toshiyuki Ishiwata
1Departments of Pathology and Integrative Oncological Pathology, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8602, Japan.
Abstract:
The fibroblast growth factor receptor (FGFR) family consists of four members, named FGFR1, 2, 3, and 4. All 4 FGFRs and their ligands, fibroblast growth factors (FGFs), are expressed in colorectal cancer (CRC). Recent studies have shown that FGFR2 plays important roles in cancer progression; therefore, it is of great interest as a novel target for cancers. Expression of FGFR2 regulates migration, invasion, and growth in CRC. Expression of the FGFR2 isoform FGFR2 IIIb was associated with well-differentiated histological types, and its specific ligand, FGF7, enhanced angiogenesis and adhesion to type-IV collagen via FGFR2 IIIb in CRC. FGFR2 IIIc is detected in CRC, but its roles have not been well elucidated. Interactions between FGFR2 IIIb and IIIc and FGFs may play important roles in CRC via autocrine and/or paracrine signaling. Several kinds of molecular-targeting agents against FGFR2 have been developed; however, it is not clear how a cancer treatment can most effectively inhibit FGFR2 IIIb or FGFR2 IIIc, or both isoforms. The aim of this paper is to summarize the roles of FGFR2 and its isoforms in CRC and clarify whether they are potent therapeutic targets for CRC.
Insights
Fibroblast growth factor receptor 2 (FGFR2) and its isoforms play key roles in colorectal cancer (CRC) progression. Understanding FGFR2 signaling is crucial for developing effective targeted therapies for CRC.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- The fibroblast growth factor receptor (FGFR) family has four members (FGFR1-4).
- FGFRs and their ligands (FGFs) are present in colorectal cancer (CRC).
- FGFR2 is implicated in cancer progression and is a potential therapeutic target.
Purpose of the Study:
- To summarize the roles of FGFR2 and its isoforms in CRC.
- To clarify the therapeutic potential of FGFR2 targeting in CRC.
Main Methods:
- Review of existing literature on FGFR2 and its isoforms in CRC.
- Analysis of the roles of FGFR2 isoforms (FGFR2 IIIb and FGFR2 IIIc) in CRC progression.
- Investigation of FGFR2 signaling pathways (autocrine and paracrine).
Main Results:
- FGFR2 expression regulates migration, invasion, and growth in CRC.
- FGFR2 IIIb isoform is linked to well-differentiated CRC and promotes angiogenesis and adhesion.
- FGFR2 IIIc is detected in CRC, but its functions require further elucidation.
- FGFR2-FGF interactions may drive CRC via autocrine/paracrine signaling.
Conclusions:
- FGFR2 and its isoforms are significant in CRC development and progression.
- Targeting FGFR2 presents a promising therapeutic strategy for CRC.
- Further research is needed to determine optimal strategies for inhibiting specific FGFR2 isoforms in CRC treatment.
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