The cyclin-dependent kinase inhibitor p21 is a crucial target for histone deacetylase 1 as a regulator of cellular proliferation

Gordin Zupkovitz, Reinhard Grausenburger, Reinhard Brunmeir, Silvia Senese, Julia Tischler, Jennifer Jurkin, Martina Rembold, Dominique Meunier, Gerda Egger, Sabine Lagger, Susanna Chiocca, Fritz Propst, Georg Weitzer, Christian Seiser

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

Histone deacetylases (HDACs) are chromatin-modifying enzymes that are involved in the regulation of proliferation, differentiation and development. HDAC inhibitors induce cell cycle arrest, differentiation, or apoptosis in tumor cells and are therefore promising antitumor agents. Numerous genes were found to be deregulated upon HDAC inhibitor treatment; however, the relevant target enzymes are still unidentified. HDAC1 is required for mouse development and unrestricted proliferation of embryonic stem cells. We show here that HDAC1 reversibly regulates cellular proliferation and represses the cyclin-dependent kinase inhibitor p21 in embryonic stem cells. Disruption of the p21 gene rescues the proliferation phenotype of HDAC1-/- embryonic stem cells but not the embryonic lethality of HDAC1-/- mice. In the absence of HDAC1, mouse embryonic fibroblasts scarcely undergo spontaneous immortalization and display increased p21 expression. Chromatin immunoprecipitation assays demonstrate a direct regulation of the p21 gene by HDAC1 in mouse embryonic fibroblasts. Transformation with simian virus 40 large T antigen or ablation of p21 restores normal immortalization of primary HDAC1-/- fibroblasts. Our data demonstrate that repression of the p21 gene is crucial for HDAC1-mediated control of proliferation and immortalization. HDAC1 might therefore be one of the relevant targets for HDAC inhibitors as anticancer drugs.

Original languageEnglish
Pages (from-to)1171-1181
Number of pages11
JournalMolecular and Cellular Biology
Volume30
Issue number5
DOIs
Publication statusPublished - Mar 2010

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Histone Deacetylase 1
Cyclin-Dependent Kinase Inhibitor p21
Histone Deacetylases
Embryonic Stem Cells
Cell Proliferation
Fibroblasts
Genes
Simian virus 40
Chromatin Immunoprecipitation
Viral Tumor Antigens
Enzymes
Cell Cycle Checkpoints
Antineoplastic Agents
Chromatin
Apoptosis
Phenotype
Pharmaceutical Preparations
Neoplasms

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Zupkovitz, G., Grausenburger, R., Brunmeir, R., Senese, S., Tischler, J., Jurkin, J., ... Seiser, C. (2010). The cyclin-dependent kinase inhibitor p21 is a crucial target for histone deacetylase 1 as a regulator of cellular proliferation. Molecular and Cellular Biology, 30(5), 1171-1181. https://doi.org/10.1128/MCB.01500-09

The cyclin-dependent kinase inhibitor p21 is a crucial target for histone deacetylase 1 as a regulator of cellular proliferation. / Zupkovitz, Gordin; Grausenburger, Reinhard; Brunmeir, Reinhard; Senese, Silvia; Tischler, Julia; Jurkin, Jennifer; Rembold, Martina; Meunier, Dominique; Egger, Gerda; Lagger, Sabine; Chiocca, Susanna; Propst, Fritz; Weitzer, Georg; Seiser, Christian.

In: Molecular and Cellular Biology, Vol. 30, No. 5, 03.2010, p. 1171-1181.

Research output: Contribution to journalArticle

Zupkovitz, G, Grausenburger, R, Brunmeir, R, Senese, S, Tischler, J, Jurkin, J, Rembold, M, Meunier, D, Egger, G, Lagger, S, Chiocca, S, Propst, F, Weitzer, G & Seiser, C 2010, 'The cyclin-dependent kinase inhibitor p21 is a crucial target for histone deacetylase 1 as a regulator of cellular proliferation', Molecular and Cellular Biology, vol. 30, no. 5, pp. 1171-1181. https://doi.org/10.1128/MCB.01500-09
Zupkovitz, Gordin ; Grausenburger, Reinhard ; Brunmeir, Reinhard ; Senese, Silvia ; Tischler, Julia ; Jurkin, Jennifer ; Rembold, Martina ; Meunier, Dominique ; Egger, Gerda ; Lagger, Sabine ; Chiocca, Susanna ; Propst, Fritz ; Weitzer, Georg ; Seiser, Christian. / The cyclin-dependent kinase inhibitor p21 is a crucial target for histone deacetylase 1 as a regulator of cellular proliferation. In: Molecular and Cellular Biology. 2010 ; Vol. 30, No. 5. pp. 1171-1181.
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