PMID: 2105102Jan 30, 1990Paper

Induction of fos and sis proto-oncogenes and genes of the extracellular matrix proteins during butyrate induced glioma differentiation

Biochimica Et Biophysica Acta
S J TangF F Wang

Abstract

Sodium butyrate has been shown to inhibit the growth and induce the differentiation of F-98 rat glioma cells. In agreement with the morphological changes, we have found that mRNAs for fibronectin and collagen in these cells could be reversibly induced by butyrate. While Ki-ras mRNA levels remained relatively unchanged, mRNAs for fos and sis increased significantly during the course of butyrate induced differentiation. c-fos induction can be detected 30 min after butyrate addition, a peak level (greater than 20 fold) was reached at 2 h, with a subsequent gradual decline. c-sis induction was detectable 24 h after butyrate exposure, at which time the cells have assumed morphological transition. Interestingly, the sis mRNA induction was not reversible upon butyrate withdrawal. The sis mRNA half-life increased from 40 min in the untreated cells to 100 min in the butyrate induced cells indicating that the increase in the stability of sis mRNA contributed, at least in part, to the elevated levels of sis expression. These findings demonstrate a coordinated induction of fibronectin and collagen genes in the butyrate-treated F-98 cells. In addition, fos and sis transcripts were differentially induced; a rapid and transient induction of f...Continue Reading

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Citations

Jan 1, 1995·Molecular Biology Reports·R P Dirks, H P Bloemers
Jun 25, 1992·Nucleic Acids Research·C J FrégeauR C Bleackley
Jun 1, 1993·Acta Pathologica Japonica·M Yanagishita
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Oct 8, 1997·Neurosurgery·H H EngelhardM Dal Canto
Nov 1, 1992·Critical Reviews in Oncology/hematology·M A Lea

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