Histone deacetylase inhibitors reduce steroidogenesis through SCF-mediated ubiquitination and degradation of steroidogenic factor 1 (NR5A1)

Wei Yi Chen, Jui Hsia Weng, Chen Che Huang, Bon Chu Chung

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Histone deacetylase (HDAC) inhibitors such as trichostatin A and valproic acid modulate transcription of many genes by inhibiting the activities of HDACs, resulting in the remodeling of chromatin. Yet this effect is not universal for all genes. Here we show that HDAC inhibitors suppressed the expression of steroidogenic gene CYP11A1 and decreased steroid secretion by increasing the ubiquitination and degradation of SF-1, a factor important for the transcription of all steroidogenic genes. This was accompanied by increased expression of Ube2D1 and SKP1A, an E2 ubiquitin conjugase and a subunit of the E3 ubiquitin ligase in the Skp1/Cul1/F-box protein (SCF) family, respectively. Reducing SKP1A expression with small interfering RNA resulted in recovery of SF-1 levels, demonstrating that the activity of SCF E3 ubiquitin ligase is required for the SF-1 degradation induced by HDAC inhibitors. Overexpression of exogenous SF-1 restored steroidogenic activities even in the presence of HDAC inhibitors. Thus, increased SF-1 degradation is the cause of the reduction in steroidogenesis caused by HDAC inhibitors. The increased SKP1A expression and SCF-mediated protein degradation could be the mechanism underlying the mode of action of HDAC inhibitors.

Original languageEnglish
Pages (from-to)7284-7290
Number of pages7
JournalMolecular and cellular biology
Volume27
Issue number20
DOIs
Publication statusPublished - Oct 1 2007

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Steroidogenic Factor 1
F-Box Proteins
Histone Deacetylase Inhibitors
Ubiquitination
Ubiquitin-Protein Ligases
trichostatin A
gamma-Glutamyl Hydrolase
Cholesterol Side-Chain Cleavage Enzyme
Genes
Chromatin Assembly and Disassembly
Valproic Acid
Ubiquitin
Small Interfering RNA
Proteolysis
Transcription Factors
Steroids
Gene Expression

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Cell Biology

Cite this

Histone deacetylase inhibitors reduce steroidogenesis through SCF-mediated ubiquitination and degradation of steroidogenic factor 1 (NR5A1). / Chen, Wei Yi; Weng, Jui Hsia; Huang, Chen Che; Chung, Bon Chu.

In: Molecular and cellular biology, Vol. 27, No. 20, 01.10.2007, p. 7284-7290.

Research output: Contribution to journalArticle

Chen, Wei Yi ; Weng, Jui Hsia ; Huang, Chen Che ; Chung, Bon Chu. / Histone deacetylase inhibitors reduce steroidogenesis through SCF-mediated ubiquitination and degradation of steroidogenic factor 1 (NR5A1). In: Molecular and cellular biology. 2007 ; Vol. 27, No. 20. pp. 7284-7290.
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