Induction of expression of growth-related genes by FGF-4 in mouse fibroblasts

Mark A. Guthridge, Michael F Seldin, Claudio Basilico

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Cells monitor and respond to extracellular signals from polypeptide growth factors by the induction of a genetic program. Although poorly understood at the molecular level, the biological activity of growth factors is believed to be mediated by the regulation of specific sets of genes. We have isolated a number of cDNAs, the expression of whose corresponding RNAs is induced by FGF-4 (K-FGF) in murine NIH3T3 fibroblasts. The cDNAs (FIN, for FGF-inducible) were isolated using a strategy of subtractive hybridization designed to yield 'late' genes which compared transformed 3T3 cells that constitutively produce FGF-4 with their normal counterpart. The 21 independent cDNAs isolated were found to correspond to known genes (FIN1-12), or novel genes (FIN13-21). Expression of the FIN genes is induced in response to FGF-4 as well as to serum in NIH3T3 cells with delayed kinetics, with maximum stimulation occurring 12-18 h after growth factor treatment. Induction requires protein synthesis and is mostly transcriptional. FIN1-12, encode a broad range of previously described genes, some of which are proposed to have an important role in cell proliferation. The novel clones include a putative serine-threonine phosphatase (FIN13) and a gene with homology to NTP-binding proteins (FIN16). The distribution of expression of the novel FIN clones in adult mouse tissues was highly restricted, although most were expressed in embryos. While expression of novel FIN cDNAs was strongly regulated in NIH3T3 cells, induction of differentiation in PC-12 cells by FGF-4 (as well as by NGF) did not result in significant induction of expression, suggesting that most of the FIN genes are proliferation-specific. Chromosomal localization of novel FIN clones indicated that each segregated independently to separate mouse chromosomes.

Original languageEnglish (US)
Pages (from-to)1267-1278
Number of pages12
JournalOncogene
Volume12
Issue number6
StatePublished - 1996
Externally publishedYes

Fingerprint

Fibroblasts
Growth
Genes
Complementary DNA
Intercellular Signaling Peptides and Proteins
Clone Cells
3T3 Cells
Phosphoprotein Phosphatases
Nerve Growth Factor
Transcriptional Activation
Cell Differentiation
Carrier Proteins
Embryonic Structures
Chromosomes
Cell Proliferation
RNA
Peptides
Serum
Proteins

Keywords

  • Cell cycle
  • Cell proliferation
  • FGFs
  • Subtractive hybridization
  • Transcription

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Induction of expression of growth-related genes by FGF-4 in mouse fibroblasts. / Guthridge, Mark A.; Seldin, Michael F; Basilico, Claudio.

In: Oncogene, Vol. 12, No. 6, 1996, p. 1267-1278.

Research output: Contribution to journalArticle

Guthridge, MA, Seldin, MF & Basilico, C 1996, 'Induction of expression of growth-related genes by FGF-4 in mouse fibroblasts', Oncogene, vol. 12, no. 6, pp. 1267-1278.
Guthridge, Mark A. ; Seldin, Michael F ; Basilico, Claudio. / Induction of expression of growth-related genes by FGF-4 in mouse fibroblasts. In: Oncogene. 1996 ; Vol. 12, No. 6. pp. 1267-1278.
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