Knockdown of apoptosis signal-regulating kinase 1 modulates basal glycogen synthase kinase-3β kinase activity and regulates cell migration

Kyung Tae Noh, Ssang Goo Cho, Eui Ju Choi

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

GSK-3β is a basally active kinase. Axin forms a complex with GSK-3β and β-catenin; this complex promotes the GSK-3β-dependent phosphorylation of β-catenin, thereby inducing its degradation. However, the inhibition of GSK-3β provokes cell migration via the dysregulation of β-catenin. In this study, we determined that the level of apoptosis signal-regulating kinase 1 (ASK1) was lower in a metastatic breast cancer cell line, compared to that of non-metastatic cancer cell lines and the knockdown of ASK1 not only induces β-catenin activation via the inhibition of GSK-3β and collapsing the subsequent protein complex by regulating Axin dynamics, but also stimulates cell migration. Together, the blockage of the GSK-3β-β-catenin pathway resulting from the knockdown of ASK1 modulates the migration of breast cancer cells.

Original languageEnglish
Pages (from-to)4097-4101
Number of pages5
JournalFEBS Letters
Volume584
Issue number18
DOIs
Publication statusPublished - 2010 Sep 1

Fingerprint

MAP Kinase Kinase Kinase 5
Glycogen Synthase Kinase 3
Catenins
Cell Movement
Phosphotransferases
Cells
Breast Neoplasms
Cell Line
Phosphorylation
Chemical activation
Degradation

Keywords

  • β-Catenin
  • ASK1
  • Axin
  • GSK-3β
  • Migration

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Cell Biology
  • Genetics
  • Molecular Biology
  • Structural Biology

Cite this

Knockdown of apoptosis signal-regulating kinase 1 modulates basal glycogen synthase kinase-3β kinase activity and regulates cell migration. / Noh, Kyung Tae; Cho, Ssang Goo; Choi, Eui Ju.

In: FEBS Letters, Vol. 584, No. 18, 01.09.2010, p. 4097-4101.

Research output: Contribution to journalArticle

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