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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
FGF23 as a novel therapeutic target.
Takashi Shimada1, Seiji Fukumoto
1Kyowa Hakko Kirin Co., Ltd, Tokyo, Japan. takashi.shimada@kyowa-kirin.co.jp
Fibroblast growth factor (FGF) 23 is crucial for phosphate and vitamin D balance. Dysregulation of FGF23 causes metabolic bone diseases, suggesting targeted therapies like inhibition or replacement could be beneficial.
Area of Science:
- Endocrinology
- Metabolic Bone Diseases
- Mineral Metabolism
Background:
- Fibroblast growth factor (FGF) 23 is a key hormone regulating phosphate and vitamin D homeostasis.
- Imbalances in FGF23 activity, whether excess or deficiency, lead to significant metabolic bone disorders.
- Understanding FGF23's role is critical for diagnosing and treating hypophosphatemic conditions.
Purpose of the Study:
- To explore the therapeutic potential of modulating FGF23 activity in metabolic bone diseases.
- To highlight FGF23-dependent diseases as targets for novel treatment strategies.
- To review current knowledge and future directions in FGF23-regulated therapies.
Main Methods:
- Analysis of circulating FGF23 levels in patients with hypophosphatemic rickets and osteomalacia.
- Evaluation of a mouse disease model to validate FGF23 inhibition as a therapeutic concept.
- Review of existing literature on FGF23-related pathophysiology and therapeutic interventions.
Main Results:
- Several hypophosphatemic diseases were identified as FGF23-dependent.
- Preliminary studies in a mouse model supported the efficacy of FGF23 inhibition.
- Recombinant FGF23 replacement therapy emerged as a potential treatment for FGF23 deficiency disorders.
Conclusions:
- Targeting FGF23 activity presents a promising therapeutic avenue for specific metabolic bone diseases.
- FGF23 inhibition may benefit conditions with excess FGF23 activity.
- FGF23 replacement therapy is a potential strategy for FGF23 loss-of-function disorders.
- Further research is needed to validate these therapeutic concepts in clinical settings.
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