Cited by 2,050Fibroblast Growth Factor ResearchDevelopmental Biology and Gene RegulationAxon Guidance and Neuronal Signaling

The Fibroblast Growth Factor signaling pathway

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Ornitz, David M., Itoh, Nobuyuki·2015·WIREs Developmental Biology

Abstract

The signaling component of the mammalian Fibroblast Growth Factor ( FGF ) family is comprised of eighteen secreted proteins that interact with four signaling tyrosine kinase FGF receptors ( FGFRs ). Interaction of FGF ligands with their signaling receptors is regulated by protein or proteoglycan cofactors and by extracellular binding proteins. Activated FGFRs phosphorylate specific tyrosine residues that mediate interaction with cytosolic adaptor proteins and the RAS‐MAPK , PI3K‐AKT , PLCγ , and STAT intracellular signaling pathways. Four structurally related intracellular non‐signaling FGFs interact with and regulate the family of voltage gated sodium channels. Members of the FGF family function in the earliest stages of embryonic development and during organogenesis to maintain progenitor cells and mediate their growth, differentiation, survival, and patterning. FGFs also have roles in adult tissues where they mediate metabolic functions, tissue repair, and regeneration, often by reactivating developmental signaling pathways. Consistent with the presence of FGFs in almost all tissues and organs, aberrant activity of the pathway is associated with developmental defects that disrupt organogenesis, impair the response to injury, and result in metabolic disorders, and cancer. WIREs Dev Biol 2015, 4:215–266. doi: 10.1002/wdev.176 This article is categorized under: Early Embryonic Development > Development to the Basic Body Plan Nervous System Development > Vertebrates: General Principles Birth Defects > Organ Anomalies

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  • The fibroblast growth factor signaling pathway, particularly FGF-1 and FGF-2, plays a crucial role in hepatocyte division and angiogenesis.

    “The fibroblast growth factor (FGF) signalling pathway - particularly FGF-1 and FGF-2—plays a crucial role in hepatocyte division and angiogenesis.”

    From Liver regeneration after partial hepatectomy: Triggers and mechanisms (2025) · cites this paper as [64]

    The Pathway Components section reports that FGF1 and FGF2 promote endothelial-cell proliferation, and the Pathway Regulation section describes an FGF1/FGF2-binding protein as pro-angiogenic. But the hepatocyte proliferative signal identified in Pathway Components is FGF19 acting through FGFR4; the copy does not establish that FGF1 or FGF2 drives hepatocyte division. Page numbers were not available in the indexed passages. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • FGF-2 participates in balancing liver fibrosis and regeneration, indicating a dual role in hepatic homeostasis.

    “Importantly, FGF-2 also participates in balancing liver fibrosis and regeneration, highlighting its dual role in hepatic homeostasis[64].”

    From Liver regeneration after partial hepatectomy: Triggers and mechanisms (2025) · cites this paper as [64]

    The Introduction (page unavailable) links endothelial FGF-receptor signaling to liver regeneration and fibrosis, and says FGF signaling may increase or decrease tissue fibrosis. It does not identify FGF-2 as the factor balancing these processes in the liver, so the FGF-2-specific claim is unsupported. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Ductular profiles were observed not only in portal tracts or periportal zones, but also within liver lobules including adjacent areas to various caliber branches of liver veins.

    “Besides, the ductular profiles were observed not only in the portal tracts or periportal zones, but also within the liver lobules including the adjacent areas to the various caliber branches of the liver veins (Figure 4)[64].”

    From Liver regeneration after partial hepatectomy: Triggers and mechanisms (2025) · cites this paper as [64]

    The Pathway Components passage discusses FGF signaling in hepatocytes, while the References mention liver-related studies; neither addresses where ductular profiles were observed. Searches for ductular profiles in portal, periportal, and lobular areas, including areas near liver veins, found no supporting passage in our copy. (LLM, conf=0.76)

    Experimental — accuracy not yet measured

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Cited by

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Authors
Ornitz, D. M., & Itoh, N.
Affiliations
  • Washington University in St. Louis (US)
  • Kyoto University (JP)
Corresponding author
Ornitz, David M.
Venue
WIREs Developmental Biology
Publisher
Wiley
Published
2015-03-13
Volume
4
Issue
3
Pages
215-266
ISSN
  • 1759-7684 (ISSN-L)
  • 1759-7692
OpenAlex
W2054195724
Cited by
2,050
References
769
Citations by year
2026: 121 · 2025: 185 · 2024: 206 · 2023: 206 · 2022: 218 · 2021: 273 · 2020: 220 · 2019: 215 · 2018: 172 · 2017: 133 · 2016: 72 · 2015: 25 · 2014: 1
FWCI
12.98
Type
journal article
Language
en
Open access
Locations
  • Wiley Interdisciplinary Reviews Developmental Biology (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (HL105732, HL111190, HD049808)
  • Action on Hearing Loss (G59)
  • march of dimes (FY14-329)
  • Ministry of Education, Science, Sports, and Culture of Japan (25460065)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fibroblast Growth Factor Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
Keywords
FGF signaling, fibroblast growth factor receptor, FGF ligands, receptor tyrosine kinase, RAS/MAPK pathway, PI3K/Akt signaling, PLCγ signaling, STAT signaling, voltage-gated sodium channels, embryonic development, organogenesis, tissue regeneration, cancer, metabolic disorders
MeSH terms
Animals, Cell Differentiation, Cell Movement, Energy Metabolism, Fibroblast Growth Factors, Homeostasis, Humans, Models, Biological, Signal Transduction, Receptors, Fibroblast Growth Factor, Organogenesis, Embryonic Development, Cell Proliferation, Voltage-Gated Sodium Channels

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