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Published on: March 17, 2015
TRP channels and pain.
Daniel N Cortright1, James E Krause, Daniel C Broom
1Neurogen Corporation, 35 N.E. Industrial Road, Branford, CT 06405, USA. dcortright@nrgn.com
Biochimica Et Biophysica Acta
|May 1, 2007
Summary
Transient receptor potential (TRP) channels, like TRPV1, are crucial for sensory nerve function and pain. Inhibiting TRP channel activity offers a promising strategy for pain relief.
Area of Science:
- Neuroscience
- Molecular Biology
- Pain Research
Background:
- The identification of the capsaicin receptor (TRPV1) has highlighted the role of transient receptor potential (TRP) channels in sensory nerve function and pain.
- Several TRP channels are activated by known pain-inducing substances (e.g., cinnamaldehyde, menthol) and temperature fluctuations.
- TRP channel activity can be modulated by other receptors and inflammatory processes, linking them to pain mechanisms.
Purpose of the Study:
- To explore the multifaceted roles of TRP channels in sensory perception and pain.
- To investigate the involvement of TRP channels in processes such as inflammation and neurotransmission.
- To establish the therapeutic potential of TRP channel inhibition for pain management.
Main Methods:
- Molecular identification of TRP channels.
- Assessing TRP channel sensitivity to various chemical stimuli and temperature.
- In vitro studies on receptor-mediated sensitization of TRP channels.
- Investigating TRP channel involvement in neurotransmitter release and inflammatory mediator release.
Main Results:
- TRP channels are sensitive to diverse stimuli including chemical compounds and temperature changes.
- Inflammatory mediators and receptor activation can sensitize TRP channels.
- TRP channels are implicated in sensory neuron activation, spinal cord neurotransmission, and inflammatory responses.
Conclusions:
- TRP channels play a significant role in pain signaling pathways.
- Targeting TRP channels presents a viable therapeutic approach for pain alleviation.
- Selective inhibition of TRP channel activity could lead to novel pain management strategies.
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