Relief of itch by scratching: State-dependent inhibition of primate spinothalamic tract neurons

Steve Davidson; Xijing Zhang; Sergey G. Khasabov; Donald A. Simone; Glenn J. Giesler

doi:10.1038/nn.2292

Relief of itch by scratching: State-dependent inhibition of primate spinothalamic tract neurons

Steve Davidson, Xijing Zhang, Sergey G. Khasabov, Donald A. Simone, Glenn J. Giesler

Molecular Pathobiology

Research output: Contribution to journal › Article › peer-review

Abstract

Itch is relieved by scratching, but the neural mechanisms that are responsible for this are unknown. Spinothalamic tract (STT) neurons respond to itch-producing agents and transmit pruritic information to the brain. We observed that scratching the cutaneous receptive field of primate STT neurons produced inhibition during histamine-evoked activity but not during spontaneous activity or activity evoked by a painful stimulus, suggesting that scratching inhibits the transmission of itch in the spinal cord in a state-dependent manner.

Original language	English (US)
Pages (from-to)	544-546
Number of pages	3
Journal	Nature Neuroscience
Volume	12
Issue number	5
DOIs	https://doi.org/10.1038/nn.2292
State	Published - May 2009

ASJC Scopus subject areas

General Neuroscience

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abstract = "Itch is relieved by scratching, but the neural mechanisms that are responsible for this are unknown. Spinothalamic tract (STT) neurons respond to itch-producing agents and transmit pruritic information to the brain. We observed that scratching the cutaneous receptive field of primate STT neurons produced inhibition during histamine-evoked activity but not during spontaneous activity or activity evoked by a painful stimulus, suggesting that scratching inhibits the transmission of itch in the spinal cord in a state-dependent manner.",

author = "Steve Davidson and Xijing Zhang and Khasabov, {Sergey G.} and Simone, {Donald A.} and Giesler, {Glenn J.}",

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AU - Simone, Donald A.

AU - Giesler, Glenn J.

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AB - Itch is relieved by scratching, but the neural mechanisms that are responsible for this are unknown. Spinothalamic tract (STT) neurons respond to itch-producing agents and transmit pruritic information to the brain. We observed that scratching the cutaneous receptive field of primate STT neurons produced inhibition during histamine-evoked activity but not during spontaneous activity or activity evoked by a painful stimulus, suggesting that scratching inhibits the transmission of itch in the spinal cord in a state-dependent manner.

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Relief of itch by scratching: State-dependent inhibition of primate spinothalamic tract neurons

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