Up-regulation of fibronectin and tissue transglutaminase promotes cell invasion involving increased association with integrin and MMP expression in A431 cells

Shih Hsun Chen, Chun Yu Lin, Lung Ta Lee, Geen Dong Chang, Ping Ping Lee, Chin Chun Hung, Wen Te Kao, Pei Hsun Tsai, Andrew V Schally, Jiuan Jiuan Hwang, Ming Ting Lee

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

In human tumors, fibronectin (FN) expression is positively associated with tumor metastatic potential and matrix metalloproteinase (MMP) secretion. Additionally, tissue transglutaminase (TG2) is implicated as playing an important role in tumor progression, and acts as a co-receptor for integrin-mediated cell binding to FN. This study explored the involvement of FN and TG2 in cancer cell metastasis using the recently established highly invasive A431-III subline. A431-III cells expressed significantly higher levels of FN and TG2 as compared to the parental line (A431-P). Knockdown of endogenous FN by small interfering RNA (siRNA) resulted in dramatic suppression of the migratory and invasive activity, and the secreted MMP-9 activity (but not MMP-2) in A431-III subline. Exogenous administration of FN to A431-III cells also increased the secreted activity of MMP-9 but not MMP-2. Interestingly, knockdown of TG2 by siRNA dramatically reduced the cell attachment, migration and invasion, and the secretion of MMP-9 and MMP-1 (but not MMP-2 and MMP-3) in A431-III cells as compared to A431-P cells. Furthermore, A431-III cells exhibited increased association of integrin β1 and β3 with FN and TG2, and knockdown of TG2 markedly suppressed integrin β1 interaction with FN. Together, this study suggests that FN and TG2 facilitate the metastatic activity of A431 tumor cells, and this may be partly attributed to TG2 enhancement of the association of FN and β integrin. In addition, the combined targeting of TG2 and FN may be an effective therapeutic strategy for cancer displaying increased expression of both proteins.

Original languageEnglish
Pages (from-to)4177-4186
Number of pages10
JournalAnticancer Research
Volume30
Issue number10
StatePublished - Oct 1 2010

Fingerprint

Matrix Metalloproteinases
Fibronectins
Integrins
Up-Regulation
Matrix Metalloproteinase 2
Matrix Metalloproteinase 9
Secreted Matrix Metalloproteinases
Neoplasms
Small Interfering RNA
transglutaminase 2
Matrix Metalloproteinase 3
Matrix Metalloproteinase 1
Cell Movement
Neoplasm Metastasis

Keywords

  • A431 cell
  • Fibronectin
  • MMP-9
  • TG2

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Chen, S. H., Lin, C. Y., Lee, L. T., Chang, G. D., Lee, P. P., Hung, C. C., ... Lee, M. T. (2010). Up-regulation of fibronectin and tissue transglutaminase promotes cell invasion involving increased association with integrin and MMP expression in A431 cells. Anticancer Research, 30(10), 4177-4186.

Up-regulation of fibronectin and tissue transglutaminase promotes cell invasion involving increased association with integrin and MMP expression in A431 cells. / Chen, Shih Hsun; Lin, Chun Yu; Lee, Lung Ta; Chang, Geen Dong; Lee, Ping Ping; Hung, Chin Chun; Kao, Wen Te; Tsai, Pei Hsun; Schally, Andrew V; Hwang, Jiuan Jiuan; Lee, Ming Ting.

In: Anticancer Research, Vol. 30, No. 10, 01.10.2010, p. 4177-4186.

Research output: Contribution to journalArticle

Chen, SH, Lin, CY, Lee, LT, Chang, GD, Lee, PP, Hung, CC, Kao, WT, Tsai, PH, Schally, AV, Hwang, JJ & Lee, MT 2010, 'Up-regulation of fibronectin and tissue transglutaminase promotes cell invasion involving increased association with integrin and MMP expression in A431 cells', Anticancer Research, vol. 30, no. 10, pp. 4177-4186.
Chen, Shih Hsun ; Lin, Chun Yu ; Lee, Lung Ta ; Chang, Geen Dong ; Lee, Ping Ping ; Hung, Chin Chun ; Kao, Wen Te ; Tsai, Pei Hsun ; Schally, Andrew V ; Hwang, Jiuan Jiuan ; Lee, Ming Ting. / Up-regulation of fibronectin and tissue transglutaminase promotes cell invasion involving increased association with integrin and MMP expression in A431 cells. In: Anticancer Research. 2010 ; Vol. 30, No. 10. pp. 4177-4186.
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abstract = "In human tumors, fibronectin (FN) expression is positively associated with tumor metastatic potential and matrix metalloproteinase (MMP) secretion. Additionally, tissue transglutaminase (TG2) is implicated as playing an important role in tumor progression, and acts as a co-receptor for integrin-mediated cell binding to FN. This study explored the involvement of FN and TG2 in cancer cell metastasis using the recently established highly invasive A431-III subline. A431-III cells expressed significantly higher levels of FN and TG2 as compared to the parental line (A431-P). Knockdown of endogenous FN by small interfering RNA (siRNA) resulted in dramatic suppression of the migratory and invasive activity, and the secreted MMP-9 activity (but not MMP-2) in A431-III subline. Exogenous administration of FN to A431-III cells also increased the secreted activity of MMP-9 but not MMP-2. Interestingly, knockdown of TG2 by siRNA dramatically reduced the cell attachment, migration and invasion, and the secretion of MMP-9 and MMP-1 (but not MMP-2 and MMP-3) in A431-III cells as compared to A431-P cells. Furthermore, A431-III cells exhibited increased association of integrin β1 and β3 with FN and TG2, and knockdown of TG2 markedly suppressed integrin β1 interaction with FN. Together, this study suggests that FN and TG2 facilitate the metastatic activity of A431 tumor cells, and this may be partly attributed to TG2 enhancement of the association of FN and β integrin. In addition, the combined targeting of TG2 and FN may be an effective therapeutic strategy for cancer displaying increased expression of both proteins.",
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AU - Lee, Ping Ping

AU - Hung, Chin Chun

AU - Kao, Wen Te

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AU - Lee, Ming Ting

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