2001
β1 adducin gene expression in DRG is developmentally regulated and is upregulated by glial-derived neurotrophic factor and nerve growth factor
Ghassemi F, Dib-Hajj S, Waxman S. β1 adducin gene expression in DRG is developmentally regulated and is upregulated by glial-derived neurotrophic factor and nerve growth factor. Brain Research 2001, 90: 118-124. PMID: 11406290, DOI: 10.1016/s0169-328x(01)00091-2.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalmodulin-Binding ProteinsCells, CulturedCytoskeletonGanglia, SpinalGene Expression ProfilingGene Expression Regulation, DevelopmentalGlial Cell Line-Derived Neurotrophic FactorNerve Growth FactorNerve Growth FactorsNerve Tissue ProteinsNeurons, AfferentNeuroprotective AgentsRatsRats, Sprague-DawleyReverse Transcriptase Polymerase Chain ReactionConceptsGlial-derived neurotrophic factorReal-time reverse transcription-polymerase chain reactionNeurotrophic factorTrigeminal ganglionDRG culturesRat DRGGrowth factorDorsal root ganglion culturesAdult rat DRGRat dorsal root ganglion culturesSuperior cervical ganglionReverse transcription-polymerase chain reactionExpression levelsNerve growth factorNon-neural tissuesDRG tissueCervical ganglionSciatic nervePolymerase chain reactionGanglion culturesAdducin geneLevel of expressionGangliaLow expression levelsGene expression
1999
Sodium channel expression in NGF‐overexpressing transgenic mice
Fjell J, Cummins T, Davis B, Albers K, Fried K, Waxman S, Black J. Sodium channel expression in NGF‐overexpressing transgenic mice. Journal Of Neuroscience Research 1999, 57: 39-47. PMID: 10397634, DOI: 10.1002/(sici)1097-4547(19990701)57:1<39::aid-jnr5>3.0.co;2-m.Peer-Reviewed Original ResearchConceptsNerve growth factorSodium channel expressionWild-type miceDRG neuronsTransgenic miceChannel expressionLevels of NGFDorsal root ganglion neuronsSNS/PN3Whole-cell patch-clamp studiesSmall DRG neuronsPeripheral nervous systemSodium channel mRNAFunctional sodium channelsPeak sodium current densityRegulation of expressionSodium current densityPatch-clamp studiesMechanical hyperalgesiaEmbryonic day 11Ganglion neuronsMouse DRGWild-type DRGsNervous systemLong-term overexpressionIn Vivo NGF Deprivation Reduces SNS Expression and TTX-R Sodium Currents in IB4-Negative DRG Neurons
Fjell J, Cummins T, Fried K, Black J, Waxman S. In Vivo NGF Deprivation Reduces SNS Expression and TTX-R Sodium Currents in IB4-Negative DRG Neurons. Journal Of Neurophysiology 1999, 81: 803-810. PMID: 10036280, DOI: 10.1152/jn.1999.81.2.803.Peer-Reviewed Original ResearchConceptsTTX-R sodium currentsNerve growth factorPA/pFDRG neuronsHigh antibody titersSodium current densityNGF-deprived neuronsSodium currentAntibody titersAdult ratsSmall dorsal root ganglion neuronsTetrodotoxin-resistant sodium channelsDorsal root ganglion neuronsTTX-R currentsSodium channel expressionMRNA hybridization signalsPathological painThermal hypoalgesiaGanglion neuronsControl neuronsIsolectin IB4Channel expressionNGF deprivationMRNA expressionNeurons
1997
Differential Effects of NGF and BDNF on Axotomy-Induced Changes in GABAA-Receptor-Mediated Conductance and Sodium Currents in Cutaneous Afferent Neurons
Oyelese A, Rizzo M, Waxman S, Kocsis J. Differential Effects of NGF and BDNF on Axotomy-Induced Changes in GABAA-Receptor-Mediated Conductance and Sodium Currents in Cutaneous Afferent Neurons. Journal Of Neurophysiology 1997, 78: 31-42. PMID: 9242258, PMCID: PMC2605357, DOI: 10.1152/jn.1997.78.1.31.Peer-Reviewed Original ResearchConceptsBrain-derived neurotrophic factorCutaneous afferent neuronsNerve growth factorReceptor-mediated conductanceProportion of neuronsAfferent neuronsAction potential waveformSodium currentNeurotrophic factorL4/L5 DRG neuronsAction potentialsVoltage-dependent sodium currentsWhole-cell patch-clamp techniqueDorsal root ganglion neuronsCell patch-clamp techniqueAxotomy-induced increaseFluoro-Gold injectionsL5 DRG neuronsSpecific neurotrophic factorsSciatic nerve stumpsTTX-sensitive currentsInjury-induced changesResistant sodium currentsGamma-aminobutyric acidPatch-clamp techniqueNGF has opposing effects on Na+ channel III and SNS gene expression in spinal sensory neurons
Black J, Langworthy K, Hinson A, Dib-Hajj S, Waxman S. NGF has opposing effects on Na+ channel III and SNS gene expression in spinal sensory neurons. Neuroreport 1997, 8: 2331-2335. PMID: 9243635, DOI: 10.1097/00001756-199707070-00046.Peer-Reviewed Original ResearchConceptsNeurotrophin nerve growth factorSmall DRG neuronsExogenous NGFDRG neuronsDifferent sodium channel genesSmall dorsal root ganglion neuronsDorsal root ganglion neuronsSciatic nerve transectionMRNA levelsSpinal sensory neuronsNerve growth factorNerve transectionDRG culturesGanglion neuronsAlpha-IIIAdult ratsSensory neuronsPeripheral targetsSodium channel transcriptsMRNA expressionMembrane excitabilityNeuronsGrowth factorRetrograde transportChannel transcripts
1995
Differential up-regulation of sodium channel α- and β1-subunit mRNAs in cultured embryonic DRG neurons following exposure to NGF
Zur K, Oh Y, Waxman S, Black J. Differential up-regulation of sodium channel α- and β1-subunit mRNAs in cultured embryonic DRG neurons following exposure to NGF. Brain Research 1995, 30: 97-105. PMID: 7609649, DOI: 10.1016/0169-328x(94)00283-k.Peer-Reviewed Original ResearchConceptsSodium channel alphaNerve growth factorChannel alphaDRG neuronsCultured embryonic DRG neuronsΒ1 subunit mRNAPattern of expressionDorsal root ganglion neuronsSodium channel subunitsEmbryonic DRG neuronsPresence of NGFSitu hybridization cytochemistryAbsence of NGFBeta 1 mRNABeta-subunit mRNANAG mRNAChannel subunitsDevelopment proceedsSodium channel αE16 embryosGanglion neuronsMRNAAlpha-IIIChannel αAlpha II