MUC1 regulates PDGFA expression during pancreatic cancer progression

M. Sahraei, L. D. Roy, J. M. Curry, T. L. Teresa, S. Nath, D. Besmer, A. Kidiyoor, R. Dalia, Sandra J Gendler, P. Mukherjee

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Pancreatic ductal adenocarcinoma (PDA) has one of the worst prognoses of all cancers. Mucin 1 (MUC1), a transmembrane mucin glycoprotein, is a key modulator of several signaling pathways that affect oncogenesis, motility and metastasis. Its expression is known to be associated with poor prognosis in patients. However, the precise mechanism remains elusive. We report a novel association of MUC1 with platelet-derived growth factor-A (PDGFA). PDGFA is one of the many drivers of tumor growth, angiogenesis and metastasis in PDA. Using mouse PDA models as well as human samples, we show clear evidence that MUC1 regulates the expression and secretion of PDGFA. This, in turn, influences proliferation and invasion of pancreatic cancer cells leading to higher tumor burden in vivo. In addition, we reveal that MUC1 overexpressing cells are heavily dependent on PDGFA both for proliferation and invasion, whereas MUC1-null cells are not. Moreover, PDGFA and MUC1 are critical for translocation of β catenin to the nucleus for oncogenesis to ensue. Finally, we elucidate the underlying mechanism by which MUC1 regulates PDGFA expression and secretion in pancreatic cancer cells. We show that MUC1 associates with Hif1-α, a known transcription factor involved in controlling PDGFA expression. Furthermore, MUC1 facilitates Hif1-α translocation to the nucleus. In summary, we have demonstrated that MUC1-induced invasion and proliferation occurs via increased exogenous production of PDGFA. Thus, impeding MUC1 regulation of PDGFA signaling may be therapeutically beneficial for patients with PDA.

Original languageEnglish (US)
Pages (from-to)4935-4945
Number of pages11
JournalOncogene
Volume31
Issue number47
DOIs
StatePublished - Nov 22 2012

Fingerprint

Mucin-1
Pancreatic Neoplasms
Adenocarcinoma
Carcinogenesis
platelet-derived growth factor A
Neoplasm Metastasis
Catenins
Null Lymphocytes
Mucins
Tumor Burden
Neoplasms
Glycoproteins
Transcription Factors

Keywords

  • β-catenin
  • MUC1
  • pancreatic cancer
  • PDGFA

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Sahraei, M., Roy, L. D., Curry, J. M., Teresa, T. L., Nath, S., Besmer, D., ... Mukherjee, P. (2012). MUC1 regulates PDGFA expression during pancreatic cancer progression. Oncogene, 31(47), 4935-4945. https://doi.org/10.1038/onc.2011.651

MUC1 regulates PDGFA expression during pancreatic cancer progression. / Sahraei, M.; Roy, L. D.; Curry, J. M.; Teresa, T. L.; Nath, S.; Besmer, D.; Kidiyoor, A.; Dalia, R.; Gendler, Sandra J; Mukherjee, P.

In: Oncogene, Vol. 31, No. 47, 22.11.2012, p. 4935-4945.

Research output: Contribution to journalArticle

Sahraei, M, Roy, LD, Curry, JM, Teresa, TL, Nath, S, Besmer, D, Kidiyoor, A, Dalia, R, Gendler, SJ & Mukherjee, P 2012, 'MUC1 regulates PDGFA expression during pancreatic cancer progression', Oncogene, vol. 31, no. 47, pp. 4935-4945. https://doi.org/10.1038/onc.2011.651
Sahraei M, Roy LD, Curry JM, Teresa TL, Nath S, Besmer D et al. MUC1 regulates PDGFA expression during pancreatic cancer progression. Oncogene. 2012 Nov 22;31(47):4935-4945. https://doi.org/10.1038/onc.2011.651
Sahraei, M. ; Roy, L. D. ; Curry, J. M. ; Teresa, T. L. ; Nath, S. ; Besmer, D. ; Kidiyoor, A. ; Dalia, R. ; Gendler, Sandra J ; Mukherjee, P. / MUC1 regulates PDGFA expression during pancreatic cancer progression. In: Oncogene. 2012 ; Vol. 31, No. 47. pp. 4935-4945.
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