Repression of MUC2 gene expression by butyrate, a physiological regulator of intestinal cell maturation

Leonard H. Augenlicht, Li Shi, John Mariadason, Christian Laboisse, Anna Velcich

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Sodium butyrate (NAB) inhibits proliferation, stimulates apoptosis, and promotes differentiation of human colon cancer cells along the absorptive phenotype. In vitro, butyrate induces a switch from cells with a secretory to an absorptive phenotype. Here, we report that NaB specifically represses the expression of the MUC2 gene, a differentiation marker of the secretory goblet cell lineage, in forskolin- and 12-O-tetradecanoylphorbol 13-acetate-induced HT29 cells, and C1.16E cells, a clonal derivative of HT29 cells that spontaneously differentiates into goblet cells. Thus, NaB repression is independent of the nature of the stimulus that triggers MUC2 expression. Further, repression was independent of new protein synthesis. Our results suggest that inhibition of MUC2 is linked to the ability of butyrate to repress histone deacetylase activity, since trichostatin A, another inhibitor of histone deacetylases, also inhibited MUC2 expression in induced HT29 cells. Finally, we demonstrate that the NaB effect is specific for this marker of the secretory cell lineage, since carcinoembryonic antigen, which is expressed in both the secretory and absorptive cells, is induced by NaB. Thus, the NaB repression of a definitive function of the secretory cell lineage is a further mechanism, in addition to the effects on proliferation and apoptotic pathways, through which butyrate can regulate intestinal homeostasis.

Original languageEnglish (US)
Pages (from-to)4983-4992
Number of pages10
JournalOncogene
Volume22
Issue number32
DOIs
StatePublished - Aug 7 2003

Fingerprint

Butyrates
HT29 Cells
Cell Lineage
Gene Expression
Histone Deacetylases
Goblet Cells
trichostatin A
Phenotype
Butyric Acid
Carcinoembryonic Antigen
Differentiation Antigens
Tetradecanoylphorbol Acetate
Colforsin
Colonic Neoplasms
Homeostasis
Apoptosis
Proteins

Keywords

  • Goblet cell lineage
  • Human MUC2 gene
  • MUC2 expression
  • Sodium butyrate and differentiation

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Repression of MUC2 gene expression by butyrate, a physiological regulator of intestinal cell maturation. / Augenlicht, Leonard H.; Shi, Li; Mariadason, John; Laboisse, Christian; Velcich, Anna.

In: Oncogene, Vol. 22, No. 32, 07.08.2003, p. 4983-4992.

Research output: Contribution to journalArticle

Augenlicht, Leonard H. ; Shi, Li ; Mariadason, John ; Laboisse, Christian ; Velcich, Anna. / Repression of MUC2 gene expression by butyrate, a physiological regulator of intestinal cell maturation. In: Oncogene. 2003 ; Vol. 22, No. 32. pp. 4983-4992.
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