2018
Somatosensory Neurons Enter a State of Altered Excitability during Hibernation
Hoffstaetter LJ, Mastrotto M, Merriman DK, Dib-Hajj SD, Waxman SG, Bagriantsev SN, Gracheva EO. Somatosensory Neurons Enter a State of Altered Excitability during Hibernation. Current Biology 2018, 28: 2998-3004.e3. PMID: 30174191, PMCID: PMC6173314, DOI: 10.1016/j.cub.2018.07.020.Peer-Reviewed Original ResearchConceptsSomatosensory neuronsAction potentialsPeripheral somatosensory neuronsVoltage-gated sodium channelsTherapeutic hypothermiaAltered excitabilityFunctional deficitsCase of neuronsSensory functionFiring patternsNeuronsCold exposureInput resistanceSodium channelsRapid restorationBody temperatureHypometabolismHypothermiaDevelopment of strategiesSensory informationProlonged periodAdaptive responseArousalCNSExcitability
2015
Neuronal UCP1 expression suggests a mechanism for local thermogenesis during hibernation
Laursen WJ, Mastrotto M, Pesta D, Funk OH, Goodman JB, Merriman DK, Ingolia N, Shulman GI, Bagriantsev SN, Gracheva EO. Neuronal UCP1 expression suggests a mechanism for local thermogenesis during hibernation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 1607-1612. PMID: 25605929, PMCID: PMC4321293, DOI: 10.1073/pnas.1421419112.Peer-Reviewed Original ResearchConceptsSummer active stateNervous tissue functionPalmitate-induced uncouplingDifferential transcriptomicsMolecular mechanismsHibernating mammalsBrown adipose tissueBody temperatureProtein 1Ground squirrelsBiochemical analysisTorpid squirrelsHibernation seasonTissue functionActive stateUCP1 expressionHigh expressionHibernationPharmacologic analysisThermogenic proteinsAdipose tissueBrain temperatureLow body temperatureNervous systemPhysiologic phenotype