2024
Itch and Pain Behaviors in Irritant Contact Dermatitis Produced by Sodium Lauryl Sulfate in Mice
Malewicz-Oeck N, Zhang Z, Shimada S, LaMotte R. Itch and Pain Behaviors in Irritant Contact Dermatitis Produced by Sodium Lauryl Sulfate in Mice. International Journal Of Molecular Sciences 2024, 25: 7718. PMID: 39062959, PMCID: PMC11276812, DOI: 10.3390/ijms25147718.Peer-Reviewed Original ResearchIrritant contact dermatitisDay 1Heat stimuliSkin inflammationSigns of spontaneous painContact dermatitisHyperalgesia-like behaviorResponses to pruritogensPain-like behaviorsSodium lauryl sulfateCompared to salineMeasurement of skin thicknessSpontaneous painIncreased skin thicknessHistamine-dependentPain behaviorCutaneous inflammationScratching boutsMouse modelPainSkin thicknessItchingInflammationMiceDay 0
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
1991
Neurogenic hyperalgesia: the search for the primary cutaneous afferent fibers that contribute to capsaicin-induced pain and hyperalgesia
Baumann T, Simone D, Shain C, LaMotte R. Neurogenic hyperalgesia: the search for the primary cutaneous afferent fibers that contribute to capsaicin-induced pain and hyperalgesia. Journal Of Neurophysiology 1991, 66: 212-227. PMID: 1919668, DOI: 10.1152/jn.1991.66.1.212.Peer-Reviewed Original ResearchConceptsAfferent fibersNeurogenic hyperalgesiaPrimary hyperalgesiaNociceptive fibersPrimary afferentsIntradermal injectionHeat stimuliInjection siteReceptive fieldsCutaneous primary afferent fibersCapsaicin injection siteCutaneous afferent fibersNociceptive afferent fibersInjection of capsaicinCapsaicin-induced painPrimary afferent fibersPeripheral nervous systemPeripheral neural mechanismsArea of skinCapsaicin painSecondary hyperalgesiaDepressed responsivenessCapsaicin injectionIntense painHyperalgesiaNeurogenic hyperalgesia: central neural correlates in responses of spinothalamic tract neurons
Simone D, Sorkin L, Oh U, Chung J, Owens C, LaMotte R, Willis W. Neurogenic hyperalgesia: central neural correlates in responses of spinothalamic tract neurons. Journal Of Neurophysiology 1991, 66: 228-246. PMID: 1919669, DOI: 10.1152/jn.1991.66.1.228.Peer-Reviewed Original ResearchConceptsSpinothalamic tract neuronsSTT neuronsWDR neuronsInjection siteHT neuronsNeurogenic hyperalgesiaTract neuronsIntradermal injectionPunctate stimuliCapsaicin injection siteMicrograms of capsaicinInjection of capsaicinCutaneous mechanical stimulationInjection of vehicleCentral neural correlatesSuprathreshold heat stimuliCutaneous hyperalgesiaWDR cellsCapsaicin injectionHeat painHyperalgesiaPainAnesthetized monkeysPreinjection valuesHeat stimuli
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 stimuliThe Role of C-Nociceptors in Cutaneous Heat Pain and Hyperalgesia
Lamotte R. The Role of C-Nociceptors in Cutaneous Heat Pain and Hyperalgesia. Wenner-Gren Symposium 1984, 363-377. DOI: 10.1007/978-1-349-07292-7_26.Peer-Reviewed Original ResearchThe Role of C-Nociceptors in Cutaneous Heat Pain and Hyperalgesia
Lamotte R. The Role of C-Nociceptors in Cutaneous Heat Pain and Hyperalgesia. Ettore Majorana International Science Series 1984, 363-377. DOI: 10.1007/978-1-4613-2807-0_26.Peer-Reviewed Original ResearchCutaneous heat painHeat painCutaneous nociceptorsHeat pain thresholdNoxious heat stimuliSensation of painPeripheral neural mechanismsHeat injuryC-nociceptorsNociceptor responsesPain thresholdAfferent fibersCutaneous receptorsPainCutaneous injuryHeat stimuliHyperalgesiaNociceptorsNeurophysiological studiesInjuryNeural mechanismsMagnitude ratingsPsychophysical studiesStimuliStudy
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
1982
Spatial properties of nociceptor sensitization following heat injury of the skin
Thalhammer J, LaMotte R. Spatial properties of nociceptor sensitization following heat injury of the skin. Brain Research 1982, 231: 257-265. PMID: 7055680, DOI: 10.1016/0006-8993(82)90364-x.Peer-Reviewed Original Research