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, 1099, 13-27

TRP Channels in Nociception and Pathological Pain


TRP Channels in Nociception and Pathological Pain

Chen-Yu Hung et al. Adv Exp Med Biol.


Thermal and noxious stimuli are detected by specialized nerve endings, which transform the stimuli into electrical signals and transmit the signals into central nervous system to facilitate the perception of temperature and pain. Several members within the transient receptor potential (TRP) channel family serve as the sensors for temperature and noxious stimuli and are involved in the development of pathological pain, especially inflammatory pain. Various inflammatory mediators can sensitize and modulate the activation threshold of TRP channels and result in the development of inflammatory pain behaviors. A brief review of the role of TRP channels in nociception and the modulatory mechanisms of TRP channels by inflammatory mediators, focusing on TRPV1, TRPA1, and TRPM2, will be presented. Recent advances in the development of therapeutic strategies targeting against TRP channels will also be reviewed.

Keywords: Nociception; Pain; TRP; TRPA1; TRPM2; TRPV1.

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