Stimulation of fibronectin synthesis through the protein kinase C signaling pathway in normal and transformed human lung fibroblasts

Byung Heon Lee, Rang Woon Park, Je Yong Choi, Hyun Mo Ryoo, Kun Young Sohn, In-San Kim

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We examined the role of the protein kinase C (PKC) signaling pathway in the stimulation of fibronectin synthesis in both normal and transformed human lung fibroblasts. Phorbol myristate acetate (PMA), a potent PKC activator, stimulated fibronectin synthesis in both normal and transformed fibroblasts in a time and dose dependent fashion. Down-regulation of PKC by prior exposure of cells to a high concentration of PMA blocked the increase in fibronectin synthesis and mRNA levels induced by PMA. Bisindolylmaleimide, a specific inhibitor of PKC, also abolished the PMA-induced fibronectin synthesis. 4α-phorbol didecanoate, an inactive phorbol ester, failed to affect fibronectin synthesis. These data suggest that PMA stimulates fibronectin synthesis and gene expression through the PKC signaling pathway in both normal and transformed human lung fibroblasts.

Original languageEnglish
Pages (from-to)895-904
Number of pages10
JournalBiochemistry and Molecular Biology International
Volume39
Issue number5
Publication statusPublished - 1996 Sep 14
Externally publishedYes

Fingerprint

Fibroblasts
Fibronectins
Protein Kinase C
Tetradecanoylphorbol Acetate
Lung
Phorbol Esters
Gene expression
Down-Regulation
Gene Expression
Messenger RNA

Keywords

  • Fibroblasts
  • Fibronectin
  • Phorbol myristate acetate
  • Protein kinase C

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Genetics

Cite this

Stimulation of fibronectin synthesis through the protein kinase C signaling pathway in normal and transformed human lung fibroblasts. / Lee, Byung Heon; Park, Rang Woon; Choi, Je Yong; Ryoo, Hyun Mo; Sohn, Kun Young; Kim, In-San.

In: Biochemistry and Molecular Biology International, Vol. 39, No. 5, 14.09.1996, p. 895-904.

Research output: Contribution to journalArticle

Lee, Byung Heon ; Park, Rang Woon ; Choi, Je Yong ; Ryoo, Hyun Mo ; Sohn, Kun Young ; Kim, In-San. / Stimulation of fibronectin synthesis through the protein kinase C signaling pathway in normal and transformed human lung fibroblasts. In: Biochemistry and Molecular Biology International. 1996 ; Vol. 39, No. 5. pp. 895-904.
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