Requirement for geranylgeranyl transferase I and acyl transferase in the TGF-β-stimulated pathway leading to elastin mRNA stabilization

Umberto Kucich, Joan C. Rosenbloom, Gloria Shen, William R. Abrams, Michelle A. Blaskovich, Andrew Hamilton, Junko Ohkanda, Saïd M. Sebti, Joel Rosenbloom

Research output: Contribution to journalArticle

Abstract

The TGF-βs are multipotent in their biological activity, modulating cell growth and differentiation as well as extracellular matrix deposition and degradation. Most of these activities involve modulation of gene transcription. However, TGF-β1 has been shown previously to substantially increase the expression of elastin by stabilization of tropoelastin mRNA through a signaling pathway which involves a phosphatidylcholine-specific phospholipase and a protein kinase C. The present results, through the use of specific inhibitors of geranylgeranyl transferase I, farnesyl transferase, and acyl transferase, demonstrate that geranylgeranylated and acylated, but not farnesyslated protein(s) is required for this TGF-β1 effect. In addition, the general tyrosine kinase inhibitor genistein completely blocked this TGF-β1 effect. The results suggest that the TGF-β1 signaling pathway requires not only receptor ser/thr kinase activity, but also tyrosine kinase and small GTPase activities.

Original languageEnglish (US)
Pages (from-to)111-116
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume252
Issue number1
DOIs
StatePublished - Nov 9 1998

Fingerprint

Elastin
Transferases
Stabilization
Protein-Tyrosine Kinases
Messenger RNA
Tropoelastin
Monomeric GTP-Binding Proteins
Phospholipases
Genistein
Cell growth
Transcription
Bioactivity
Phosphatidylcholines
Protein Kinase C
Extracellular Matrix
Cell Differentiation
Phosphotransferases
Genes
Modulation
Degradation

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Requirement for geranylgeranyl transferase I and acyl transferase in the TGF-β-stimulated pathway leading to elastin mRNA stabilization. / Kucich, Umberto; Rosenbloom, Joan C.; Shen, Gloria; Abrams, William R.; Blaskovich, Michelle A.; Hamilton, Andrew; Ohkanda, Junko; Sebti, Saïd M.; Rosenbloom, Joel.

In: Biochemical and Biophysical Research Communications, Vol. 252, No. 1, 09.11.1998, p. 111-116.

Research output: Contribution to journalArticle

Kucich, Umberto ; Rosenbloom, Joan C. ; Shen, Gloria ; Abrams, William R. ; Blaskovich, Michelle A. ; Hamilton, Andrew ; Ohkanda, Junko ; Sebti, Saïd M. ; Rosenbloom, Joel. / Requirement for geranylgeranyl transferase I and acyl transferase in the TGF-β-stimulated pathway leading to elastin mRNA stabilization. In: Biochemical and Biophysical Research Communications. 1998 ; Vol. 252, No. 1. pp. 111-116.
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AU - Blaskovich, Michelle A.

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