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•

Fetal and postnatal lung defects reveal a novel and required role for Fgf8 in lung development

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Shibin Yu¹, Bryan S Poe¹, Margaret A. Schwarz², Sarah A. Elliot¹, Kurt H. Albertine¹, Stephen J. Fenton¹, Vidu Garg², Anne M. Moon¹ - Show less +4 more•Institutions (2)

University of Utah¹, University of Texas Southwestern Medical Center²

01 Nov 2010-Developmental Biology

TL;DR: It is reported that Fgf8 function is required for normal progression through the late fetal stages of lung development that culminate in alveolar formation and suggested that this factor may also contribute to postnatal alveologenesis.

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18 citations

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

...…that are regulated by, and mediate transcriptional effects of FGF8 are ECM remodeling enzymes (Brent and Tabin, 2004; Firnberg and Neubuser, 2002; Moon et al., 2006; Park et al., 2006; Raible and Brand, 2001; Roehl and Nusslein-Volhard, 2001; Crawford et al., 2001; Crawford andMatrisian, 1996)....
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Journal Article•DOI•

Fibroblast growth factor receptor‐induced phosphorylation of STAT1 at the golgi apparatus without translocation to the nucleus

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Lucía Citores¹, Ling Bai², Vigdis Sørensen, Sjur Olsnes²•Institutions (2)

University of Valladolid¹, University of Oslo²

01 Jul 2007-Journal of Cellular Physiology

TL;DR: In this paper, transient transfection of COS cells with fibroblast growth factor receptors (FGFRs) led to ligand-independent phosphorylation of the receptors, including intracellular immature forms.

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Abstract: STAT transcription factors signal from the plasma membrane to the nucleus in response to growth factors and cytokines, but little is known about activation of STAT1 from intracellular sites. Here we show that transient transfection of COS cells with fibroblast growth factor receptors (FGFRs) led to ligand-independent phosphorylation of the receptors, including intracellular immature forms. FGF-independent activation of STAT1 was demonstrated at the Golgi apparatus where it was colocalized with FGFRs. Both FGFR1 and FGFR2 induced strong phosphorylation of STAT1 causing redistribution of the Golgi apparatus, while FGFR3 and FGFR4 induced less phosphorylation of STAT1 and little or no redistribution of the Golgi apparatus. Upon expression of a cytosolic mutant of FGFR4 lacking the transmembrane as well as the extracellular region (CytR4), STAT1 was phosphorylated and transferred to the nucleus. The results indicate that immature forms of FGFRs form incomplete signaling complexes on Golgi membranes trapping phospho-STAT1 on this organelle. J. Cell. Physiol. 212: 148–156, 2007. © 2007 Wiley-Liss, Inc.

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18 citations

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

...…and play important roles in the regulation of proliferation, differentiation, and angiogenesis, as well as in other processes involved in growth and development (Gospodarowicz et al., 1986; Burgess and Maciag, 1989; Hughes, 1997; Boilly et al., 2000; Powers et al., 2000; Ornitz and Itoh, 2001)....
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Journal Article•DOI•

Exogenous Addition of a C-Xylopyranoside Derivative Stimulates Keratinocyte Dermatan Sulfate Synthesis and Promotes Migration

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Jun Muto¹, Nandita Natasha Naidu¹, Kenshi Yamasaki¹, Nathalie Pineau², Lionel Breton², Richard L. Gallo¹ - Show less +2 more•Institutions (2)

University of California, San Diego¹, L'Oréal²

05 Oct 2011-PLOS ONE

TL;DR: Results indicate that C-Xyloside may enhance epithelial repair by serving as an initiator of DS synthesis and may also stimulate FGF-dependent cell migration and proliferation.

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Abstract: As C-Xyloside has been suggested to be an initiator of glycosaminoglycan (GAG) synthesis, and GAGs such as Dermatan sulfate (DS) are potent enhancers of fibroblast growth factor (FGF) - 10 action, we investigated if a C-Xylopyranoside derivative, (C-β-D-xylopyranoside-2-hydroxy-propane, C-Xyloside), could promote DS production by cultured normal human keratinocytes, how this occurs and if C-Xyloside could also stimulate FGF-dependent cell migration and proliferation. C-Xyloside-treated keratinocytes greatly increased secretion of total sulfated GAGs. Majority of the induced GAG was chondroitin sulfate/dermatan sulfate (CS/DS) of which the major secreted GAG was DS. Cells lacking xylosyltransferase enzymatic activity demonstrated that C-Xyloside was able to stimulate GAG synthesis without addition to core proteins. Consistent with the observed increase in DS, keratinocytes treated with C-Xyloside showed enhanced migration in response to FGF-10 and secreted into their culture media GAGs that promoted FGF-10-dependent cellular proliferation. These results indicate that C-Xyloside may enhance epithelial repair by serving as an initiator of DS synthesis.

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18 citations

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

...Of these activities, members of the fibroblast growth factor (FGF) family, including FGF-7 and FGF10, depend on GAGs to participate in important wound repair events including inflammation, repair and regeneration [9] [10]....
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Journal Article•DOI•

Alternative splicing of the FGF antisense gene: differential subcellular localization in human tissues and esophageal adenocarcinoma.

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Shuocheng Zhang¹, Christie Barclay¹, Leigh Ann Alexander¹, Laurette Geldenhuys¹, Geoffrey A. Porter¹, Alan G. Casson¹, Alan G. Casson², Paul R. Murphy¹ - Show less +4 more•Institutions (2)

Dalhousie University¹, University of Saskatchewan²

14 Jun 2007-Journal of Molecular Medicine

TL;DR: Although a trend towards reduced disease-free survival in patients with FGF-2 overexpressing esophageal adenocarcinomas is found, significantly worse disease- free survival was noted among patients whose tumors did not also overexpressed the FGF -AS b isoform.

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Abstract: Overexpression of FGF-2 is associated with tumor recurrence and reduced survival after surgical resection of esophageal cancer, and these risks are reduced in tumors co-expressing the FGF antisense (FGF-AS) RNA. The aim of this study was to characterize the expression of alternatively spliced FGF-AS transcripts and encoded nudix-motif proteins in normal human tissues and in esophageal adenocarcinoma, and to correlate their expression with clinicopathologic findings and outcome. Three alternatively spliced FGF-AS transcripts encoding GFG/NUDT6 isoforms with distinct N termini were detected in various human tissues including esophageal adenocarcinoma. Expression of each isoform as a fusion protein with enhanced green fluorescent protein revealed differential subcellular trafficking: hGFGa is localized to mitochondria by an N-terminal targeting sequence (MTS), whereas hGFGb and hGFGc were localized in the cytoplasm and nucleus. Mutation/deletion analysis confirmed that the predicted MTS was necessary and sufficient for mitochondrial compartmentalization. The predominant FGF-AS mRNA expressed in esophageal tumors was splice variant b. GFG immunoreactivity was detected in the cytoplasm of all esophageal adenocarcinomas and in 88% of tumor cell nuclei. Although we found a trend towards reduced disease-free survival in patients with FGF-2 overexpressing esophageal adenocarcinomas, significantly worse disease-free survival was noted among patients whose tumors did not also overexpress the FGF-AS b isoform (p = 0.03). Tetracycline-inducible FGF-AS b expression in stably transfected human Seg-1 esophageal adenocarcinoma cells resulted in a significant suppression of steady state FGF-2 mRNA content and cell proliferation. Our data implicate the FGF-AS b isoform in modulation of FGF-2 expression and clinical outcome in esophageal adenocarcinoma.

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18 citations

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

...FGF-2, the prototypic member of a family of related genes encoding heparin-binding proteins with growth-, antiapoptotic- and survival-promoting activity [3], has also been shown to contribute to malignant progression by increasing genetic instability [4] and resistance to anticancer drugs [5]....
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Journal Article•DOI•

Temporal regulation of fibroblast growth factors and their receptors in the endometrium and conceptus during the pre-implantation period of pregnancy in cattle

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Lilian A. Okumu, Niamh Forde, Solomon Mamo, Paul A. McGettigan, Jai Prakash Mehta, James F. Roche, Patrick Lonergan - Show less +3 more

01 Jun 2014-Reproduction

TL;DR: It is demonstrated that FGF ligands are primarily expressed by the endometrium and their modulation throughout the luteal phase of the oestrous cycle/early pregnancy are associated with alterations in the expression of their receptors in the embryo/conceptus.

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Abstract: We hypothesised that the expression pattern of members of the fibroblast growth factor (FGF) family would be altered in the endometrium as the oestrous cycle/early pregnancy progressed associated with changes in the expression pattern of their receptors in the developing embryo/conceptus. Expression of FGF1 and FGF10 transcript variants 1 and 2 increased significantly as the oestrous cycle/early pregnancy progressed. Neither progesterone (P4) supplementation nor pregnancy status significantly affected the expression of any of the FGF ligands studied. However, there was a significant interaction between day, pregnancy and P4 status on FGF2 expression (P 0.05). In conclusion, these data demonstrate that FGF ligands are primarily expressed by the endometrium and their modulation throughout the luteal phase of the oestrous cycle/early pregnancy are associated with alterations in the expression of their receptors in the embryo/conceptus.

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18 citations

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

...For example, splicing of FGFR2 results in two variants, e.g. FGFR2IIIb, which is highly specific for binding FGF7 and FGF10 (Lu et al. 1999, Ornitz 2000, Ornitz & Itoh 2001), and FGFR2IIIc, which binds other ligands such as FGF1 and FGF8 (Ornitz 2000, 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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