TRPM8 ion channel is aberrantly expressed and required for preventing replicative senescence in pancreatic adenocarcinoma: potential role of TRPM8 as a biomarker and target

Nelson S. Yee, Robert D. Brown, Min S un Lee, Weiqiang Zhou, Chris Jensen, Henning Gerke, Rosemary K. Yee

Research output: Contribution to journalArticle

Abstract

Pancreatic adenocarcinoma is mostly fatal and generally resistant to conventional treatments, such that effective therapies with tolerable side effects are desperately needed. Ion channels including the transient receptor potential (TRP) channels have been implicated in human malignancies, but their roles in pancreatic cancer were mostly unknown. Recent identification of the melastatin-subfamily members of the TRP family of ion channels, and their functions in pancreatic epithelia and adenocarcinoma, is expected to provide a new perspective to understanding the mechanism underlying pancreatic tumorigenesis. In this report, we present the clinical and pathological features of a mini-series of patients with pancreatic adenocarcinoma, which aberrantly exhibits immunoreactivity against the TRPM8 channel. We have recently demonstrated the proliferative role of TRPM8 channel in pancreatic cancer cells. Here, we present evidence that RNA interference-mediated silencing of TRPM8 induces replicative senescence in pancreatic adenocarcinoma cells. This suggests that the aberrantly expressed TRPM8 channel may contribute to pancreatic tumorigenesis by preventing oncogene-induced senescence, and targeted inhibition of TRPM8 may enhance tumor sensitivity to therapeutics. Based on these observations, we hypothesize that the TRPM8 ion channel plays a crucial role in the growth and progression of pancreatic neoplasia during tumorigenesis. We propose that TRPM8 can be exploited as a clinical biomarker and as a therapeutic target for developing personalized therapy in pancreatic adenocarcinoma.

Original languageEnglish (US)
Pages (from-to)592-599
Number of pages8
JournalCancer Biology and Therapy
Volume13
Issue number8
DOIs
StatePublished - Jun 1 2012

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Cell Aging
Ion Channels
Adenocarcinoma
Biomarkers
Carcinogenesis
Pancreatic Neoplasms
Transient Receptor Potential Channels
Therapeutics
Neoplasms
RNA Interference
Oncogenes
Epithelium
Growth

All Science Journal Classification (ASJC) codes

  • Molecular Medicine
  • Oncology
  • Pharmacology
  • Cancer Research

Cite this

Yee, Nelson S. ; Brown, Robert D. ; Lee, Min S un ; Zhou, Weiqiang ; Jensen, Chris ; Gerke, Henning ; Yee, Rosemary K. / TRPM8 ion channel is aberrantly expressed and required for preventing replicative senescence in pancreatic adenocarcinoma : potential role of TRPM8 as a biomarker and target. In: Cancer Biology and Therapy. 2012 ; Vol. 13, No. 8. pp. 592-599.
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TRPM8 ion channel is aberrantly expressed and required for preventing replicative senescence in pancreatic adenocarcinoma : potential role of TRPM8 as a biomarker and target. / Yee, Nelson S.; Brown, Robert D.; Lee, Min S un; Zhou, Weiqiang; Jensen, Chris; Gerke, Henning; Yee, Rosemary K.

In: Cancer Biology and Therapy, Vol. 13, No. 8, 01.06.2012, p. 592-599.

Research output: Contribution to journalArticle

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