Mammalian somatosensory mechanotransduction.
In the mammalian somatosensory system, mechanosensitive neurons mediate the senses of touch and pain. Among sensory modalities, mechanosensation has been the most elusive with regard to the identification of transduction molecules. One factor that has hindered the identification of transduction molecules is the diversity of neurons; physiological studies have revealed many subtypes of neurons, specialized to detect a variety of mechanical stimuli. Do different subtypes use the same transduction molecules that are modified by cellular context? Or, are there multiple mechanotransducers that specialize in sensing different mechanical stimuli? This review highlights recent progress in identifying and characterizing candidate molecular force transducers, as well as the development of new tools to characterize touch transduction at the molecular, cellular, and behavioral levels.
Tsunozaki
Makoto
M
Department of Molecular and Cell Biology, University of California Berkeley, Berkeley, CA 94720, USA.
Bautista
Diana M
DM
D000818:Animals; D006930:Hyperalgesia / Q000503:physiopathology; D008465:Mechanoreceptors / Q000502:physiology*; D040542:Mechanotransduction, Cellular / Q000502:physiology*; D051379:Mice; D009475:Neurons, Afferent / Q000502:physiology; D010146:Pain / Q000503:physiopathology; D014110:Touch / Q000502:physiology*; D050051:Transient Receptor Potential Channels / Q000502:physiology
D050051:Transient Receptor Potential Channels
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