2011
In vivo responses of cutaneous C-mechanosensitive neurons in mouse to punctate chemical stimuli that elicit itch and nociceptive sensations in humans
Ma C, Nie H, Gu Q, Sikand P, LaMotte RH. In vivo responses of cutaneous C-mechanosensitive neurons in mouse to punctate chemical stimuli that elicit itch and nociceptive sensations in humans. Journal Of Neurophysiology 2011, 107: 357-363. PMID: 21994268, PMCID: PMC3349700, DOI: 10.1152/jn.00801.2011.Peer-Reviewed Original ResearchConceptsNociceptive sensationsCowhage spiculesC-nociceptorsNociceptive neuronsReceptive fieldsCutaneous receptive fieldsNoxious mechanical stimuliC-fibre rangePeripheral neural mechanismsExtracellular electrophysiological recordingsAxonal conduction velocityMean discharge rateChemical itchElicit itchChemical stimuliMechanosensitive nociceptorsConduction velocityMechanosensitive neuronsHeat stimuliItchCell bodiesElectrophysiological recordingsVivo responseCapsaicinHistamine
1998
Patch clamp recording from the intact dorsal root ganglion
Zhang J, Donnelly D, LaMotte R. Patch clamp recording from the intact dorsal root ganglion. Journal Of Neuroscience Methods 1998, 79: 97-103. PMID: 9531465, DOI: 10.1016/s0165-0270(97)00164-7.Peer-Reviewed Original ResearchConceptsPatch-clamp recordingsConduction velocityAction potentialsSciatic nerveC cellsIntact dorsal root gangliaDorsal root ganglion cellsDorsal root gangliaAxonal conduction velocityGanglion sheathL5 DRGDRG cellsRoot gangliaGanglion cellsAP thresholdBeta cellsClamp recordingsSodium currentAdeltaCurrent clampConnective tissueVoltage clampNerveGangliaTTX
1997
Axotomy Increases the Excitability of Dorsal Root Ganglion Cells With Unmyelinated Axons
Zhang J, Donnelly D, Song X, Lamotte R. Axotomy Increases the Excitability of Dorsal Root Ganglion Cells With Unmyelinated Axons. Journal Of Neurophysiology 1997, 78: 2790-2794. PMID: 9356426, DOI: 10.1152/jn.1997.78.5.2790.Peer-Reviewed Original ResearchConceptsDorsal root gangliaUnmyelinated axonsRoot gangliaSodium currentTTX-sensitive sodium currentWhole-cell patch-clamp recordingsCell patch-clamp recordingsDorsal root ganglion cellsTTX-resistant currentC cellsEffects of axotomyAction potential thresholdPatch-clamp recordingsAction potential durationNeuropathic painVoltage-clamp conditionsPeak sodium currentDRG cellsGanglion cellsSoma sizeFast BlueNerve fibersConduction velocityAxotomyPotential duration
1984
Time-intensity profiles of cutaneous pain in normal and hyperalgesic skin: a comparison with C-fiber nociceptor activities in monkey and human
LaMotte R, Torebjörk H, Robinson C, Thalhammer J. Time-intensity profiles of cutaneous pain in normal and hyperalgesic skin: a comparison with C-fiber nociceptor activities in monkey and human. Journal Of Neurophysiology 1984, 51: 1434-1450. PMID: 6737035, DOI: 10.1152/jn.1984.51.6.1434.Peer-Reviewed Original ResearchConceptsNociceptive afferent fibersDevelopment of hyperalgesiaConditioning stimulusPain ratingsHeat stimulationAfferent fibersHairy skinHeat-evoked dischargesCervical spinal cordMagnitude of painMild heat injurySimilar response magnitudesMean frequencyPoststimulus time histogramsNociceptor activityCutaneous painResponse latencyHyperalgesic skinSpinal cordAwake humansC-fibersAnesthetized monkeysConduction velocityPainHeat stimuli
1983
Latency to detection of first pain
Campbell J, LaMotte R. Latency to detection of first pain. Brain Research 1983, 266: 203-208. PMID: 6871657, DOI: 10.1016/0006-8993(83)90650-9.Peer-Reviewed Original ResearchConceptsFirst painFirst sensationShort-latency responsesQuality of sensationDistal forearmPrimary afferentsPain sensationConduction velocityThenar eminenceGlabrous handHeat stimuliPainLatency responsesMedian response latencyShort latencyDistal armSensationResponse latencyStimuliSubjectsLatencyAfferentsArmForearmMs