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The emerging pharmacology of TRPM8 channels: hidden therapeutic potential underneath a cold surface

Annika Mälkiä1, Cruz Morenilla-Palao, Felix Viana

  • 1Instituto de Neurociencias de Alicante, Universidad Miguel Hernández-CSIC, Apartado 18, San Juan de Alicante, 03550 Spain.

Current Pharmaceutical Biotechnology
|October 12, 2010
PubMed

Insights

Transient receptor potential melastatin 8 (TRPM8) channels are activated by cold and implicated in pain and cancer. Understanding TRPM8 modulation is key for developing new therapeutics for various diseases.

Area of Science:

  • Pharmacology
  • Neuroscience
  • Oncology

Background:

  • Transient receptor potential melastatin 8 (TRPM8) is a cold-activated ion channel expressed in sensory neurons and the male urogenital system.
  • TRPM8 is upregulated in prostate cancer, breast adenocarcinoma, and melanoma, suggesting a role in tumorigenesis.
  • TRPM8 channels are implicated in cold nociception and cold allodynia, highlighting their role in pain pathways.

Purpose of the Study:

  • To review the current understanding of TRPM8 channel pharmacology and modulation mechanisms.
  • To detail structural features influencing TRPM8 gating by agonists and antagonists.
  • To explore the therapeutic potential of TRPM8 modulators in various pathological conditions.

Main Methods:

  • Literature review of studies on TRPM8 channel function, expression, and modulation.
  • Analysis of structural data related to TRPM8 agonist and antagonist binding.
  • Synthesis of information on the physiological and pathological roles of TRPM8.

Main Results:

  • TRPM8 exhibits diverse gating mechanisms influenced by specific structural elements.
  • Various compounds act as agonists or antagonists, modulating TRPM8 channel activity.
  • TRPM8's involvement in pain and cancer suggests its potential as a therapeutic target.

Conclusions:

  • TRPM8 pharmacology is complex, with distinct structural determinants for activation and inhibition.
  • Targeting TRPM8 offers potential therapeutic strategies for pain and cancer treatment.
  • Further research into TRPM8 modulation mechanisms is warranted for drug development.

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