TAK1 is required for TGF-β1-mediated regulation of matrix metalloproteinase-9 and metastasis

A. Safina, Mingqiang Ren, E. Vandette, A. V. Bakin

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Transforming growth factor-β 1 (TGF-β1) signaling in tumor cells has been implicated in tumor angiogenesis and metastasis by regulating matrix proteolysis. Although MMP-9/gelatinase-B is an important component of these TGF-β1 responses, the mechanism of its regulation is not well understood. Here, we present evidence that TGF-β-activated protein kinase 1 (TAK1) is critical for TGF-β regulation of MMP-9 and the metastatic potential of breast cancer cell line MDA-MB-231. We found that suppression of TAK1 signaling by dominant-negative (dn) TAK1 or RNA interference (siRNA) reduces expression of MMP-9 and tumor cell invasion, without growth inhibition in cell culture. The orthotopic xenograft studies in SCID mice showed that suppression of TAK1 signaling by dn-TAK1 reduces tumor growth and formation of lung metastases. Dn-TAK1 reduced the proliferation Ki-67 index and neovasculature of orthotopic xenografts. TAK1-mediated regulation of MMP-9 involves NF-κB signaling. Dn-TAK1 reduces NF-κB transcriptional response and inhibition of NF-κB reduces expression of MMP-9 and activity of the MMP-9 promoter reporter. Together, these findings suggest that TAK1 contributes to TGF-β1-mediated tumor angiogenesis and metastasis via a mechanism involving the TAK1-NF-κB-MMP-9 pathway.

Original languageEnglish (US)
Pages (from-to)1198-1207
Number of pages10
JournalOncogene
Volume27
Issue number9
DOIs
StatePublished - Feb 21 2008

Fingerprint

Matrix Metalloproteinase 9
Transforming Growth Factors
Protein Kinases
Matrix Metalloproteinases
Neoplasm Metastasis
Neoplasms
Heterografts
SCID Mice
Growth
RNA Interference
Small Interfering RNA
Proteolysis
Cell Culture Techniques
Breast Neoplasms
Cell Line
Lung

Keywords

  • Angiogenesis
  • Invasion
  • MMP-9
  • Metastasis
  • TAK1
  • TGF-β

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cancer Research

Cite this

TAK1 is required for TGF-β1-mediated regulation of matrix metalloproteinase-9 and metastasis. / Safina, A.; Ren, Mingqiang; Vandette, E.; Bakin, A. V.

In: Oncogene, Vol. 27, No. 9, 21.02.2008, p. 1198-1207.

Research output: Contribution to journalArticle

Safina, A. ; Ren, Mingqiang ; Vandette, E. ; Bakin, A. V. / TAK1 is required for TGF-β1-mediated regulation of matrix metalloproteinase-9 and metastasis. In: Oncogene. 2008 ; Vol. 27, No. 9. pp. 1198-1207.
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