Matrix metalloproteinases and TGFβ1 modulate oral tumor cell matrix

Dongmin Dang, Yongjian Yang, Xiaowu Li, Amha Atakilit, Joseph Regezi, David W Eisele, Duncan Ellis, Daniel M. Ramos

Research output: Contribution to journalArticle

Abstract

The integrin β6 has been shown to promote invasion and experimental metastasis by oral squamous cell carcinoma (SCC). In this study, we demonstrate that the expression of β6 by oral SCC9 cells increased activation of the UPA→MMP3→MMP9 pathway. We also demonstrate that the deposition of fibronectin and tenascin-C matrices by SCC9β6 cells and peritumor fibroblast cocultures is counter-regulated by the UPA→MMP3→MMP9 pathway. Suppression of individual components of this pathway increased the deposition of fibronectin, but decreased tenascin-C matrix assembly by the cocultures. When the SCC9β6/PTF cocultures were incubated with TGFβ1, the deposition of fibronectin and tenascin-C as well as the activation of MMP3 and MMP9 was increased. These results indicate that MMP3, MMP9, and TGFβ1 are important for the modulation, composition, and maintenance of the ECM in oral SCC.

Original languageEnglish (US)
Pages (from-to)937-942
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume316
Issue number3
DOIs
StatePublished - Apr 9 2004
Externally publishedYes

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Tenascin
Coculture Techniques
Matrix Metalloproteinases
Fibronectins
Tumors
Cells
Squamous Cell Carcinoma
Chemical activation
Military electronic countermeasures
Neoplasms
Fibroblasts
Integrins
Maintenance
Modulation
Neoplasm Metastasis
Chemical analysis
Epithelial Cells

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Matrix metalloproteinases and TGFβ1 modulate oral tumor cell matrix. / Dang, Dongmin; Yang, Yongjian; Li, Xiaowu; Atakilit, Amha; Regezi, Joseph; Eisele, David W; Ellis, Duncan; Ramos, Daniel M.

In: Biochemical and Biophysical Research Communications, Vol. 316, No. 3, 09.04.2004, p. 937-942.

Research output: Contribution to journalArticle

Dang, Dongmin ; Yang, Yongjian ; Li, Xiaowu ; Atakilit, Amha ; Regezi, Joseph ; Eisele, David W ; Ellis, Duncan ; Ramos, Daniel M. / Matrix metalloproteinases and TGFβ1 modulate oral tumor cell matrix. In: Biochemical and Biophysical Research Communications. 2004 ; Vol. 316, No. 3. pp. 937-942.
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AU - Ellis, Duncan

AU - Ramos, Daniel M.

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