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Canonical transient receptor potential channels in disease: targets for novel drug therapy?

Mohamed Trebak1

  • 1Department of Health and Human Services, National Institute of Environmental Health Sciences (NIEHS), NIH, Research Triangle Park, NC 27709, USA. trebak@niehs.nih.gov

Drug Discovery Today
|September 26, 2006
PubMed

Insights

Canonical transient receptor potential (TRPC) channels are key in cell signaling and have established physiological roles. These TRPC channels present promising new targets for therapeutic drug development.

Area of Science:

  • Molecular Biology
  • Cell Physiology
  • Pharmacology

Background:

  • Canonical transient receptor potential (TRPC) channels are a major family within the transient receptor potential (TRP) superfamily.
  • TRPC channels are mammalian homologs of Drosophila TRP, involved in light detection.
  • They are activated by phospholipase-C-coupled receptors, suggesting roles in native receptor-activated cation channels.

Purpose of the Study:

  • To review the established physiological roles of TRPC channels.
  • To highlight the significance of TRPC channels in various biological functions.
  • To identify TRPC channels as potential drug development targets.

Main Methods:

  • Literature review of TRPC channel research.
  • Analysis of established physiological functions.
  • Identification of therapeutic potential.

Main Results:

  • TRPC channels (TRPC1-7) are activated by phospholipase-C-coupled receptors.
  • Physiological roles confirmed for all TRPC channels.
  • Specific roles include vascular tone control (TRPC1, TRPC4, TRPC6) and lymphocyte activation (TRPC1, TRPC3).

Conclusions:

  • TRPC channels play critical roles in diverse biological processes.
  • Their involvement in vascular tone and immune function is significant.
  • TRPC channels represent promising targets for novel drug discovery.

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