Expression and developmental regulation of the k-FGF oncogene in human and murine embryonal carcinoma cells

Jay Tiesman, A Angie Rizzino

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Embryonal carcinoma (EC) cells provide an effective model system for studying growth factor production and regulation during mammalian embryogenesis. Our earlier data indicated that the mouse EC cell lines F9 and PC-13 and the human EC cell line NT2/D1 produce a factor with properties similar to those ascribed to members of the fibroblast growth factor (FGF) family and that production of this FGF-related factor is suppressed when all three EC cell lines are induced to differentiate. Subsequent studies suggested that NT2/D1 EC cells express transcripts for basic FGF (bFGF). The current study confirms and extends these findings using a combination of reverse transcription and polymerase chain reaction (RT-PCR). In this study, the expression of bFGF and other members of the FGF family have been examined in F9 and PC-13 cells in addition to NT2/D1 EC cells. In contrast to NT2/D1 EC cells, bFGF expression could not be detected in F9 and PC-13 EC cells. Additionally, expression of four other members of the FGF family (acidic FGF, int-2, FGF-5, and FGF-6) were not detected in NT2/D1, F9, or PC-13 EC cells. However, expression of another member of the FGF family, the k-FGF oncogene, was detected in NT2/D1, F9, and PC-13 EC cells. Moreover, the expression of this transcript is reduced dramatically when each of the three EC cell lines is induced to differentiate. Taken together, our findings argue that expression of the k-FGF oncogene is predominantly responsible for the FGF-related activity detected in EC cells and that differentiation of these EC cells results in suppression of this oncogene.

Original languageEnglish (US)
Pages (from-to)1193-1198
Number of pages6
JournalIn Vitro Cellular & Developmental Biology
Volume25
Issue number12
DOIs
StatePublished - Dec 1 1989

Fingerprint

Embryonal Carcinoma Stem Cells
Fibroblast Growth Factors
Oncogenes
Cells
Fibroblast Growth Factor 6
Fibroblast Growth Factor 5
Cell Line
Fibroblast Growth Factor 2
Fibroblast Growth Factor 1
Polymerase chain reaction
Transcription
Intercellular Signaling Peptides and Proteins
Reverse Transcription
Embryonic Development

Keywords

  • FGF family
  • differentiation
  • embryonal carcinoma cells
  • k-FGF
  • polymerase chain reaction

ASJC Scopus subject areas

  • Developmental Biology
  • Cell Biology
  • Clinical Biochemistry

Cite this

Expression and developmental regulation of the k-FGF oncogene in human and murine embryonal carcinoma cells. / Tiesman, Jay; Rizzino, A Angie.

In: In Vitro Cellular & Developmental Biology, Vol. 25, No. 12, 01.12.1989, p. 1193-1198.

Research output: Contribution to journalArticle

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