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Targeting T-type/CaV3.2 channels for chronic pain

Song Cai1, Kimberly Gomez2, Aubin Moutal2

  • 1Department of Anatomy, Histology & Developmental Biology, School of Basic Medical Sciences, Shenzhen University Health Science Centre, Shenzhen, Guangdong Province, PR China.

Translational Research : the Journal of Laboratory and Clinical Medicine
|January 10, 2021
PubMed

Insights

T-type calcium channels, specifically CaV3.2, are key in pain processing. Indirectly targeting these channels offers new therapeutic strategies for pain management, overcoming limitations of direct blockers.

Area of Science:

  • Neuroscience
  • Pharmacology
  • Pain Research

Background:

  • T-type calcium channels regulate neuronal excitability and pain.
  • CaV3.2 channels are crucial in nociceptive neurons and implicated in pain models.
  • Increased CaV3.2 expression/activity is observed in inflammatory and neuropathic pain.

Purpose of the Study:

  • To review the role of CaV3.2 channels in various pain modalities.
  • To explore alternative strategies for targeting CaV3.2 channels for pain treatment.
  • To discuss emerging opportunities for indirect CaV3.2 channel modulation.

Main Methods:

  • Literature synthesis of studies on CaV3.2 channels in pain.
  • Analysis of data supporting CaV3.2 involvement in pain processing.
  • Discussion of indirect targeting approaches (trafficking, transcription, post-translational modifications).

Main Results:

  • CaV3.2 channels play a significant role in multiple pain types.
  • Direct blockers of CaV3.2 have not yielded successful drug candidates.
  • Indirect modulation offers a promising alternative for therapeutic intervention.

Conclusions:

  • CaV3.2 channels are validated targets for pain relief.
  • Indirect targeting strategies present novel avenues for drug development.
  • Further research into indirect CaV3.2 modulation could lead to effective pain therapies.
Keywords:
CaV3.2Ubiquitinationglycosylationinflammatory painneuropathic painphosphorylation

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