GSK-3 Promotes Conditional Association of CREB and Its Coactivators with MEIS1 to Facilitate HOX-Mediated Transcription and Oncogenesis

Zhong Wang, Masayuki Iwasaki, Francesca Ficara, Chenwei Lin, Christina Matheny, Stephen H K Wong, Kevin S. Smith, Michael L. Cleary

Research output: Contribution to journalArticle

82 Citations (Scopus)

Abstract

Acute leukemias induced by MLL chimeric oncoproteins are among the subset of cancers distinguished by a paradoxical dependence on GSK-3 kinase activity for sustained proliferation. We demonstrate here that GSK-3 maintains the MLL leukemia stem cell transcriptional program by promoting the conditional association of CREB and its coactivators TORC and CBP with homedomain protein MEIS1, a critical component of the MLL-subordinate program, which in turn facilitates HOX-mediated transcription and transformation. This mechanism also applies to hematopoietic cells transformed by other HOX genes, including CDX2, which is highly expressed in a majority of acute myeloid leukemias, thus providing a molecular approach based on GSK-3 inhibitory strategies to target HOX-associated transcription in a broad spectrum of leukemias.

Original languageEnglish
Pages (from-to)597-608
Number of pages12
JournalCancer Cell
Volume17
Issue number6
DOIs
Publication statusPublished - Jun 15 2010

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Glycogen Synthase Kinase 3
Carcinogenesis
Leukemia
Oncogene Proteins
Acute Myeloid Leukemia
Phosphotransferases
Stem Cells
Genes
Neoplasms
Proteins

Keywords

  • CELLCYCLE

ASJC Scopus subject areas

  • Cancer Research
  • Cell Biology
  • Oncology

Cite this

GSK-3 Promotes Conditional Association of CREB and Its Coactivators with MEIS1 to Facilitate HOX-Mediated Transcription and Oncogenesis. / Wang, Zhong; Iwasaki, Masayuki; Ficara, Francesca; Lin, Chenwei; Matheny, Christina; Wong, Stephen H K; Smith, Kevin S.; Cleary, Michael L.

In: Cancer Cell, Vol. 17, No. 6, 15.06.2010, p. 597-608.

Research output: Contribution to journalArticle

Wang, Zhong ; Iwasaki, Masayuki ; Ficara, Francesca ; Lin, Chenwei ; Matheny, Christina ; Wong, Stephen H K ; Smith, Kevin S. ; Cleary, Michael L. / GSK-3 Promotes Conditional Association of CREB and Its Coactivators with MEIS1 to Facilitate HOX-Mediated Transcription and Oncogenesis. In: Cancer Cell. 2010 ; Vol. 17, No. 6. pp. 597-608.
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