2020
Lamellar cells in Pacinian and Meissner corpuscles are touch sensors
Nikolaev YA, Feketa VV, Anderson EO, Schneider ER, Gracheva EO, Bagriantsev SN. Lamellar cells in Pacinian and Meissner corpuscles are touch sensors. Science Advances 2020, 6: eabe6393. PMID: 33328243, PMCID: PMC7744075, DOI: 10.1126/sciadv.abe6393.Peer-Reviewed Original ResearchLamellar cellsR-type voltage-gated calcium channelsMeissner corpusclesAction potentialsChannel-dependent action potentialsPacinian corpusclesVoltage-gated calcium channelsSensory afferent neuronsNon-neuronal cellsBill skinAfferent neuronsNeuronal afferentsCalcium channelsElectrophysiological recordingsTactile stimuliCorpusclesIon channelsCellsSkinFirst evidenceTactile organsAfferentsNeurons
2019
A Cross-Species Analysis Reveals a General Role for Piezo2 in Mechanosensory Specialization of Trigeminal Ganglia from Tactile Specialist Birds
Schneider ER, Anderson EO, Feketa VV, Mastrotto M, Nikolaev YA, Gracheva EO, Bagriantsev SN. A Cross-Species Analysis Reveals a General Role for Piezo2 in Mechanosensory Specialization of Trigeminal Ganglia from Tactile Specialist Birds. Cell Reports 2019, 26: 1979-1987.e3. PMID: 30784581, PMCID: PMC6420409, DOI: 10.1016/j.celrep.2019.01.100.Peer-Reviewed Original ResearchConceptsTrigeminal ganglionPiezo2 ion channelsExpression of moleculesExpression of factorsPiezo2 expressionSomatosensory neuronsNeuronal subtypesSomatosensory systemSuch neuronsSpecialist birdsBird speciesMolecular variationFamily AnatidaeForaging behaviorTactile specializationNeuronsMechanoreceptorsSpecies analysisGangliaGeneral roleBehavioral phenotypesIon channelsGeneral mechanismTactile specialistsFunction of mechanoreceptors