Loss of MTSS1 results in increased metastatic potential in pancreatic cancer

Ann E. Zeleniak, Wei Huang, Mary K. Brinkman, Melissa Fishel, Reginald Hill

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Pancreatic ductal adenocarcinoma (PDAC) has a 5-year survival rate of 7%. This dismal prognosis is largely due to the inability to diagnose the disease before metastasis occurs. Tumor cell dissemination occurs early in PDAC. While it is known that inflammation facilitates this process, the underlying mechanisms responsible for this progression have not been fully characterized. Here, we functionally test the role of metastasis suppressor 1 (MTSS1) in PDAC. Despite evidence showing that MTSS1 could be important for regulating metastasis in many different cancers, its function in PDAC has not been studied. Here, we show that loss of MTSS1 leads to increased invasion and migration in PDAC cell lines. Moreover, PDAC cells treated with cancer-associated fibroblast-conditioned media also have increased metastatic potential, which is augmented by loss of MTSS1. Finally, overexpression of MTSS1 in PDAC cell lines leads to a loss of migratory potential in vitro and an increase in overall survival in vivo. Collectively, our data provide insight into an important role for MTSS1 in suppressing tumor cell invasion and migration driven by the tumor microenvironment and suggest that therapeutic strategies aimed at increasing MTSS1 levels may effectively slow the development of metastatic lesions, increasing survival of patients with PDAC.

Original languageEnglish (US)
Pages (from-to)16473-16487
Number of pages15
JournalOncotarget
Volume8
Issue number10
DOIs
StatePublished - 2017

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Pancreatic Neoplasms
Adenocarcinoma
Neoplasm Metastasis
Cell Line
Neoplasms
Tumor Microenvironment
Survival
Conditioned Culture Medium
Cell Movement
Survival Rate
Inflammation

Keywords

  • Inflammation
  • Metastasis
  • MTSS1
  • Pancreatic cancer
  • Tumor microenvironment

ASJC Scopus subject areas

  • Oncology

Cite this

Loss of MTSS1 results in increased metastatic potential in pancreatic cancer. / Zeleniak, Ann E.; Huang, Wei; Brinkman, Mary K.; Fishel, Melissa; Hill, Reginald.

In: Oncotarget, Vol. 8, No. 10, 2017, p. 16473-16487.

Research output: Contribution to journalArticle

Zeleniak, AE, Huang, W, Brinkman, MK, Fishel, M & Hill, R 2017, 'Loss of MTSS1 results in increased metastatic potential in pancreatic cancer', Oncotarget, vol. 8, no. 10, pp. 16473-16487. https://doi.org/10.18632/oncotarget.14869
Zeleniak, Ann E. ; Huang, Wei ; Brinkman, Mary K. ; Fishel, Melissa ; Hill, Reginald. / Loss of MTSS1 results in increased metastatic potential in pancreatic cancer. In: Oncotarget. 2017 ; Vol. 8, No. 10. pp. 16473-16487.
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