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Related Concept Videos

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Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
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Related Experiment Video

Updated: May 12, 2025

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
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Transient Receptor Potential Channels in Prostate Cancer: Associations with ERG Fusions and Survival.

Nirosha J Murugan1,2, Emma Genautis1, Ioannis A Voutsadakis3,4

  • 1Department of Biology, Wilfrid Laurier University, Waterloo, ON N2L 6C2, Canada.

International Journal of Molecular Sciences
|May 7, 2025
PubMed
Summary

Transient Receptor Potential (TRP) channels, including TRPML2 and TRPM4, are expressed in prostate cancer. Their expression levels show distinct associations with ERG fusions, suggesting varied therapeutic targets.

Keywords:
biomarkercalciumcation regulationprognosissignalingtransient receptor potential

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Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Physiology

Background:

  • Calcium signaling is crucial in cellular functions and implicated in oncogenesis.
  • Deregulation of calcium-regulating membrane proteins, including ion channels and transporters, occurs in various cancers.
  • These proteins represent potential therapeutic targets for cancer treatment.

Purpose of the Study:

  • To evaluate the expression of Transient Receptor Potential (TRP) channels in prostate cancer.
  • To investigate the association of TRP channel expression with clinical and pathological prostate cancer characteristics.
  • To analyze the relationship between TRPML2 and TRPM4 expression and ERG fusions in prostate cancer.

Main Methods:

  • Utilized publicly available genomic and proteome data for expression analysis.
  • Assessed mRNA and protein expression levels of various TRP channels in prostate cancer.
  • Correlated expression of TRPML2 and TRPM4 with ERG fusion status and survival outcomes.

Main Results:

  • Several TRP channels (TRPM4, TRPML1, TRPML2, TRPC1, TRPP3) were detected at the protein level.
  • MCOLN2 (TRPML1) and TRPM4 showed strong mRNA expression in subsets of prostate cancers.
  • High MCOLN2 mRNA correlated with frequent ERG fusions and better survival; high TRPM4 mRNA correlated with lower ERG fusion frequency.

Conclusions:

  • TRP channels are expressed in prostate cancer subsets, with TRPML2 and TRPM4 showing differential associations with ERG fusions.
  • The distinct associations imply diverse regulatory mechanisms for TRP channels in prostate cancer.
  • Understanding these diverse regulations is vital for developing targeted TRP channel therapies.