2006
Effects of a Chronic Compression of the Dorsal Root Ganglion on Voltage-Gated Na+ and K+ Currents in Cutaneous Afferent Neurons
Tan Z, Donnelly D, LaMotte R. Effects of a Chronic Compression of the Dorsal Root Ganglion on Voltage-Gated Na+ and K+ Currents in Cutaneous Afferent Neurons. Journal Of Neurophysiology 2006, 95: 1115-1123. PMID: 16424456, DOI: 10.1152/jn.00830.2005.Peer-Reviewed Original ResearchConceptsDorsal root gangliaCCD neuronsRoot gangliaChronic compressionTTX-sensitiveL5 dorsal root gangliaWhole-cell patch-clamp recordingsCell patch-clamp recordingsCutaneous afferent neuronsEnhanced neuronal excitabilityTTX-resistant currentSteady-state activation curvePatch-clamp recordingsCutaneous hyperalgesiaCutaneous neuronsDRG somataAfferent neuronsControl neuronsControl ratsNeuronal somataNeuronal excitabilityAdult ratsSpontaneous activityIntervertebral foraminaLower rheobase
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
1996
Abnormal spontaneous activity and responses to norepinephrine in dissociated dorsal root ganglion cells after chronic nerve constriction
Petersen M, Zhang J, Zhang J, LaMotte R. Abnormal spontaneous activity and responses to norepinephrine in dissociated dorsal root ganglion cells after chronic nerve constriction. Pain 1996, 67: 391-397. PMID: 8951934, DOI: 10.1016/0304-3959(96)03146-6.Peer-Reviewed Original ResearchConceptsDorsal root ganglion cellsUninjured nerveGanglion cellsSpontaneous activityWhole-cell patch-clamp recordingsAbnormal spontaneous activityChronic nerve constrictionPeripheral nerve injuryPrimary sensory neuronsPatch-clamp recordingsMedium-sized cellsNerve constrictionTight ligationNerve injuryDRG cellsSciatic nerveNormal nervesAdult ratsSensory neuronsNerveNorepinephrineLow dosesAction potentialsCultures 11Current clamp