FoxM1 Promotes β-Catenin Nuclear Localization and Controls Wnt Target-Gene Expression and Glioma Tumorigenesis

  • Nu Zhang
  • , Ping Wei
  • , Aihua Gong
  • , Wen Tai Chiu
  • , Hsueh Te Lee
  • , Howard Colman
  • , He Huang
  • , Jianfei Xue
  • , Mingguang Liu
  • , Yong Wang
  • , Raymond Sawaya
  • , Keping Xie
  • , W. K.Alfred Yung
  • , René H. Medema
  • , Xi He
  • , Suyun Huang

Research output: Contribution to journalArticlepeer-review

520 Citations (Scopus)

Abstract

Wnt/β-catenin signaling is essential for stem cell regulation and tumorigenesis, but its molecular mechanisms are not fully understood. Here, we report that FoxM1 is a downstream component of Wnt signaling and is critical for β-catenin transcriptional function in tumor cells. Wnt3a increases the level and nuclear translocation of FoxM1, which binds directly to β-catenin and enhances β-catenin nuclear localization and transcriptional activity. Genetic deletion of FoxM1 in immortalized neural stem cells abolishes β-catenin nuclear localization. FoxM1 mutations that disrupt the FoxM1-β-catenin interaction or FoxM1 nuclear import prevent β-catenin nuclear accumulation in tumor cells. FoxM1-β-catenin interaction controls Wnt target gene expression, is required for glioma formation, and represents a mechanism for canonical Wnt signaling during tumorigenesis.

Original languageEnglish
Pages (from-to)427-442
Number of pages16
JournalCancer Cell
Volume20
Issue number4
DOIs
Publication statusPublished - 2011 Oct 18

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

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