Fibroblast growth factors, their receptors and signaling.

doi:10.1677/ERC.0.0070165

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Fibroblast growth factors, their receptors and signaling.

Journal Article•DOI•

Fibroblast growth factors, their receptors and signaling.

Ciaran Powers¹, S W McLeskey, Anton Wellstein¹•Institutions (1)

Georgetown University¹

01 Sep 2000-Endocrine-related Cancer (Bioscientifica Ltd)-Vol. 7, Iss: 3, pp 165-197

TL;DR: FGF signaling also appears to play a role in tumor growth and angiogenesis, and autocrine FGF signaling may be particularly important in the progression of steroid hormone-dependent cancers to a hormone-independent state.

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Abstract: Fibroblast growth factors (FGFs) are small polypeptide growth factors, all of whom share in common certain structural characteristics, and most of whom bind heparin avidly. Many FGFs contain signal peptides for secretion and are secreted into the extracellular environment, where theycan bind to the heparan-like glycosaminoglycans (HLGAGs) of the extracellular matrix (ECM). From this reservoir, FGFs mayact directlyon target cells, or theycan be released through digestion of the ECM or the activityof a carrier protein, a secreted FGF binding protein. FGFs bind specific receptor tyrosine kinases in the context of HLGAGs and this binding induces receptor dimerization and activation, ultimatelyresulting in the activation of various signal transduction cascades. Some FGFs are potent angiogenic factors and most playimportant roles in embry onic development and wound healing. FGF signaling also appears to playa role in tumor growth and angiogenesis, and autocrine FGF signaling maybe particularlyimportant in the progression of steroid hormone-dependent cancers to a hormone-independent state.

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Journal Article•DOI•

Cooperative Heparin-Mediated Oligomerization of Fibroblast Growth Factor-1 (FGF1) Precedes Recruitment of FGFR2 to Ternary Complexes

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Alan Brown¹, Christopher J. Robinson², John T. Gallagher², Tom L. Blundell¹•Institutions (2)

University of Cambridge¹, University of Manchester²

16 Apr 2013-Biophysical Journal

TL;DR: A complete thermodynamic characterization of the assembly of the FGF signaling complex using isothermal titration calorimetry suggests that in solution FGF1 binds to heparin in a trans-dimeric manner before FGFR recruitment.

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44 citations

Journal Article•DOI•

Regulation of external genitalia development by concerted actions of FGF ligands and FGF receptors.

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Yoshihiko Satoh¹, Ryuma Haraguchi¹, Tracy J. Wright², Suzanne L. Mansour², Juha Partanen³, Mohammad K. Hajihosseini⁴, Veraragavan P. Eswarakumar⁵, Peter Lonai⁵, Gen Yamada¹ - Show less +5 more•Institutions (5)

Kumamoto University¹, University of Utah², University of Helsinki³, University of East Anglia⁴, Weizmann Institute of Science⁵

31 Aug 2004-Anatomy and Embryology

TL;DR: Marker gene analysis for urethral plate and bilateral mesenchymal formation suggests the existence of epithelial-mesenchymic interaction during urethRAL morphogenesis, and FGF10/FGFR2IIIb signals seem to constitute a developmental cascade for such morphogenesis.

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Abstract: Members of the fibroblast growth factor (FGF) family play diverse roles during the development and patterning of various organs. In human and mice, 22 FGFs and four receptors derived from several splice variants are present. Redundant expression and function of FGF genes in organogenesis have been reported, but their roles in embryonic external genitalia, genital tubercle (GT), development have not been studied in detail. To address the role of FGF during external genitalia development, we have analyzed the expression of FGF genes (Fgf8, 9, 10) and receptor genes (Fgfr1, r2IIIb, r2IIIc) in GT of mice. Furthermore, Fgf10 and Fgfr2IIIb mutant mice were analyzed to elucidate their roles in embryonic external genitalia development. Fgfr2IIIb was expressed in urethral plate epithelium during GT development. Fgfr2IIIb mutant mice display urethral dysmorphogenesis. Marker gene analysis for urethral plate and bilateral mesenchymal formation suggests the existence of epithelial-mesenchymal interaction during urethral morphogenesis. Therefore, FGF10/FGFR2IIIb signals seem to constitute a developmental cascade for such morphogenesis.

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44 citations

Cites background from "Fibroblast growth factors, their re..."

...FGF10 mainly interacts through at least two receptors, FGFR1IIIb and FGFR2IIIb (Powers et al. 2000; Ornitz et al. 1996)....
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...FGF3 also interacts through two receptors, FGFR1IIIb and FGFR2IIIb, prompting us to investigate their roles in GT induction (Powers et al. 2000; Ornitz et al. 1996)....
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Journal Article•DOI•

Immunolocalization of an FGF-binding protein reveals a widespread expression pattern during different stages of mouse embryo development.

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Achim Aigner¹, Patricio E. Ray², Frank Czubayko¹, Anton Wellstein³•Institutions (3)

University of Marburg¹, George Washington University², Georgetown University Medical Center³

01 Jan 2002-Histochemistry and Cell Biology

TL;DR: It is proposed that FGF-BP may play an important role in embryonic development from the locally confined, time-dependent, and apparently tightly regulated F GF-BP expression.

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Abstract: Fibroblast growth factors (FGFs) play important roles during fetal and embryonic development. FGF-2 (basic FGF, bFGF) is widely expressed in the embryo and has been linked to tissue growth and remodeling. However, it is tightly bound to heparin sulfate proteoglycans of the extracellular matrix which quenches its biological activity. We showed previously that a secreted FGF-binding protein (FGF-BP) can mobilize and activate FGF-2 from the extracellular matrix. While considerable data exist on the expression and pivotal role of FGF-BP in tumor growth, less is known about FGF-BP during embryonic development. In this immunohistochemical study in mice, we show FGF-BP protein expression in a broad spectrum of tissues at various stages between day 8 and day 16 of embryonal development, and compare FGF-BP and FGF-2 immunolocalization. FGF-BP is detected in the digestive system, thymus, skin, hair follicles, dental germ, respiratory tract, various glandular tissues, kidney, liver, and certain areas of the CNS, with immunoreactivity being mainly confined to cells of primitive epithelia. The putative significance of these findings with regard to mobilization of FGF-2 or other molecules is discussed. From the locally confined, time-dependent, and apparently tightly regulated FGF-BP expression we propose that FGF-BP may play an important role in embryonic development.

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43 citations

Journal Article•DOI•

FGF1 nuclear translocation is required for both its neurotrophic activity and its p53-dependent apoptosis protection

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Aida Rodríguez-Enfedaque¹, Sylvina Bouleau¹, Maryvonne Laurent², Yves Courtois², Bernard Mignotte¹, Jean-Luc Vayssière¹, Flore Renaud¹ - Show less +3 more•Institutions (2)

Versailles Saint-Quentin-en-Yvelines University¹, French Institute of Health and Medical Research²

01 Nov 2009-Biochimica et Biophysica Acta

TL;DR: It is presented evidences that FGF1 may act by a nuclear pathway to induce neuronal differentiation and to protect the cells from apoptosis whether cell death is induced by serum depletion or p53 activation.

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43 citations

Journal Article•DOI•

Ectopic EphA4 receptor induces posterior protrusions via FGF signaling in Xenopus embryos

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Eui Kyun Park¹, Neil Warner², Neil Warner³, Yong-Sik Bong¹, David Stapleton², Ryu Maeda¹, Tony Pawson³, Tony Pawson², Ira O. Daar¹ - Show less +5 more•Institutions (3)

National Institutes of Health¹, Mount Sinai Hospital, Toronto², University of Toronto³

01 Apr 2004-Molecular Biology of the Cell

TL;DR: Analysis of double mutants revealed that the Y928F EphA4 phenotypes were dependent on kinase activity; juxtamembrane sites of tyrosine phosphorylation and SH2 domain-binding were required for cell dissociation, but not for posterior protrusions.

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Abstract: The Eph family of receptor tyrosine kinases regulates numerous biological processes. To examine the biochemical and developmental contributions of specific structural motifs within Eph receptors, wild-type or mutant forms of the EphA4 receptor were ectopically expressed in developing Xenopus embryos. Wild-type EphA4 and a mutant lacking both the SAM domain and PDZ binding motif were constitutively tyrosine phosphorylated in vivo and catalytically active in vitro. EphA4 induced loss of cell adhesion, ventro-lateral protrusions, and severely expanded posterior structures in Xenopus embryos. Moreover, mutation of a conserved SAM domain tyrosine to phenylalanine (Y928F) enhanced the ability of EphA4 to induce these phenotypes, suggesting that the SAM domain may negatively regulate some aspects of EphA4 activity in Xenopus. Analysis of double mutants revealed that the Y928F EphA4 phenotypes were dependent on kinase activity; juxtamembrane sites of tyrosine phosphorylation and SH2 domain-binding were required for cell dissociation, but not for posterior protrusions. The induction of protrusions and expansion of posterior structures is similar to phenotypic effects observed in Xenopus embryos expressing activated FGFR1. Furthermore, the budding ectopic protrusions induced by EphA4 express FGF-8, FGFR1, and FGFR4a. In addition, antisense morpholino oligonucleotide-mediated loss of FGF-8 expression in vivo substantially reduced the phenotypic effects in EphA4Y928F expressing embryos, suggesting a connection between Eph and FGF signaling.

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43 citations

Cites background from "Fibroblast growth factors, their re..."

...Functional redundancy of the FGF family has been proposed in many studies including the knock-out of specific FGF isoforms (reviewed in Powers et al., 2000)....
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References

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Journal Article•DOI•

Cell surface, heparin-like molecules are required for binding of basic fibroblast growth factor to its high affinity receptor.

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Avner Yayon¹, Michael Klagsbrun², Jeffrey D. Esko³, Philip Leder⁴, David M. Ornitz⁴ - Show less +1 more•Institutions (4)

Weizmann Institute of Science¹, Harvard University², University of Alabama at Birmingham³, Howard Hughes Medical Institute⁴

22 Feb 1991-Cell

TL;DR: It is demonstrated that free heparin and heparan sulfate can reconstitute a low affinity receptor that is, in turn, required for the high affinity binding of bFGF.

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2,448 citations

Journal Article•DOI•

Protein modules and signalling networks

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Tony Pawson¹•Institutions (1)

Mount Sinai Hospital, Toronto¹

16 Feb 1995-Nature

TL;DR: This work highlights conserved protein domains that act as key regulatory participants in many of these different signalling pathways in multicellular organisms.

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Abstract: Communication between cells assumes particular importance in multicellular organisms. The growth, migration and differentiation of cells in the embryo, and their organization into specific tissues, depend on signals transmitted from one cell to another. In the adult, cell signalling orchestrates normal cellular behaviour and responses to wounding and infection. The consequences of breakdowns in this signalling underlie cancer, diabetes and disorders of the immune and cardiovascular systems. Conserved protein domains that act as key regulatory participants in many of these different signalling pathways are highlighted.

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2,433 citations

"Fibroblast growth factors, their re..." refers background in this paper

...One way these recruited target proteins may be localized to the activated receptor is through the interaction between their Src-homology 2 (SH2) domains and specific phosphotyrosine residues on the activated receptor (Pawson 1995)....
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...Phosphorylated tyrosine residues, in turn, recruit other signaling molecules to the activated receptors and propagate the signal through many possible transduction pathways (Pawson 1995)....
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Journal Article•DOI•

Thalidomide is an inhibitor of angiogenesis.

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Robert J. D'Amato¹, Michael S. Loughnan, Evelyn Flynn, Judah Folkman•Institutions (1)

Harvard University¹

26 Apr 1994-Proceedings of the National Academy of Sciences of the United States of America

TL;DR: Electron microscopic examination of the corneal neovascularization of thalidomide-treated rabbits revealed specific ultrastructural changes similar to those seen in the deformed limb bud vasculature of Thalidomid-treated embryos.

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Abstract: Thalidomide is a potent teratogen causing dysmelia (stunted limb growth) in humans. We have demonstrated that orally administered thalidomide is an inhibitor of angiogenesis induced by basic fibroblast growth factor in a rabbit cornea micropocket assay. Experiments including the analysis of thalidomide analogs revealed that the antiangiogenic activity correlated with the teratogenicity but not with the sedative or the mild immunosuppressive properties of thalidomide. Electron microscopic examination of the corneal neovascularization of thalidomide-treated rabbits revealed specific ultrastructural changes similar to those seen in the deformed limb bud vasculature of thalidomide-treated embryos. These experiments shed light on the mechanism of thalidomide's teratogenicity and hold promise for the potential use of thalidomide as an orally administered drug for the treatment of many diverse diseases dependent on angiogenesis.

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2,364 citations

Journal Article•DOI•

Receptor specificity of the fibroblast growth factor family.

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David M. Ornitz¹, Jingsong Xu¹, Jennifer S. Colvin¹, Donald G. McEwen¹, Craig A. MacArthur¹, François Coulier², Guangxia Gao³, Mitchell Goldfarb⁴ - Show less +4 more•Institutions (4)

Washington University in St. Louis¹, French Institute of Health and Medical Research², Columbia University³, Icahn School of Medicine at Mount Sinai⁴

21 Jun 1996-Journal of Biological Chemistry

TL;DR: It is demonstrated that FGF 1 is the only FGF that can activate all FGF receptor splice variants and the relative activity of all the other members of the FGF family is determined.

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2,066 citations

"Fibroblast growth factors, their re..." refers background in this paper

...†From Ornitz et al. (1996), except where stated; ‡From Koga et al. (1995); §From Miralles et al. (1999); ¶From Xu et al. (1999). topologically identical to interleukin-1β (IL-1β) (Zhu et al. 1991), with which some members also share the feature of secretion by an endoplasmic reticulum…...
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...Mutation of all four cysteines to serines results in a protein with the same secondary structure and equally mitogenic for 3T3 cells as the wild-type FGF-2 (Foxet al. 1988), suggesting that the formation of disulfide bridges is not important for the secondary structure and mitogenic activity of…...
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...Ornitz et al. (1996) determined the specificity of different FGFs for different receptor isoforms by overexpressing these isoforms in Baf3 cells, which do not normally express FGFRs, and assaying for [3H]thymidine incorporation in these cells following treatment with different FGFs (see Table 2)....
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...1, IIIb 100 60 34 16 4 5 6 4 4 1, IIIc 100 104 0 102 59 55 0 1 21 2, IIIb 100 9 45 15 5 5 81 4 7 2, IIIc 100 64 4 94 25 61 2.5 16 89 3, IIIb 100 1 2 1 1 1 1 1 42 3, IIIc 100 107 1 69 12 9 1 41 96 4 100 113 6 108 7 79 2 76 75 Modified from Ornitz et al. (1996)....
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Journal Article•DOI•

The heparin-binding (fibroblast) growth factor family of proteins.

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Wilson H. Burgess, Thomas Maciag

01 Jan 1989-Annual Review of Biochemistry

1,994 citations

"Fibroblast growth factors, their re..." refers background in this paper

...Defining features of the FGF family are a strong affinity for heparin and HLGAGs (Burgess & Maciag 1989), as well as a central core of 140 amino acids that is highly homologous between different family members....
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