2024
The p. S178L mutation in Tbc1d24 disrupts endosome‐mediated synaptic vesicle trafficking of cochlear hair cells and leads to hearing impairment in mice
Chen P, Hou S, Li G, Lin Y, Lu J, Song L, Li G, Pang X, Wu H, Yang T. The p. S178L mutation in Tbc1d24 disrupts endosome‐mediated synaptic vesicle trafficking of cochlear hair cells and leads to hearing impairment in mice. Clinical Genetics 2024 PMID: 39400345, DOI: 10.1111/cge.14620.Peer-Reviewed Original ResearchNon-syndromic hearing lossSynaptic vesiclesRibbon synapses of cochlear inner hair cellsAutosomal dominant non-syndromic hearing lossDominant non-syndromic hearing lossEndosome-like vacuolesEndosomal membrane traffickingInner hair cellsSynaptic vesicle traffickingHearing lossRibbon synapsesHair cell ribbon synapsesKnock-in mouse modelMutant miceSustained exocytosisVesicle traffickingEndosomal traffickingMembrane traffickingVesicle recyclingIn vitro interactionCochlear inner hair cellsReduced exocytosisWave I amplitudeMild hearing lossAuditory brainstem responseDMXL2 Is Required for Endocytosis and Recycling of Synaptic Vesicles in Auditory Hair Cells
Peng H, Wang L, Gao Y, Liu H, Lin G, Kong Y, Xu P, Liu H, Yuan Q, Liu H, Song L, Yang T, Wu H. DMXL2 Is Required for Endocytosis and Recycling of Synaptic Vesicles in Auditory Hair Cells. Journal Of Neuroscience 2024, 44: e1405232024. PMID: 39147590, PMCID: PMC11411588, DOI: 10.1523/jneurosci.1405-23.2024.Peer-Reviewed Original ResearchEndocytic membrane retrievalSynaptic vesiclesSynaptic exocytosisMembrane retrievalEndocytic compartmentsMolecular machineryRecycling of synaptic vesiclesReserve poolMembrane capacitance measurementsRibbon synapses of inner hair cellsElectron microscopy reconstructionsAuditory synaptopathyMutant miceSynaptic endocytosisCell-specific knockout miceHuman homologMembrane-proximalHair cellsAuditory hair cellsMolecular basisEndocytosisRibbon synapsesInner hair cellsHearing lossDMXL2Revisiting the Potency of Tbx2 Expression in Transforming Outer Hair Cells into Inner Hair Cells at Multiple Ages In Vivo
Bi Z, Ren M, Zhang Y, He S, Song L, Li X, Liu Z. Revisiting the Potency of Tbx2 Expression in Transforming Outer Hair Cells into Inner Hair Cells at Multiple Ages In Vivo. Journal Of Neuroscience 2024, 44: e1751232024. PMID: 38688721, PMCID: PMC11154855, DOI: 10.1523/jneurosci.1751-23.2024.Peer-Reviewed Original Research
2023
In situ regeneration of inner hair cells in the damaged cochlea by temporally regulated co-expression of Atoh1 and Tbx2
Li X, Ren M, Gu Y, Zhu T, Zhang Y, Li J, Li C, Wang G, Song L, Bi Z, Liu Z. In situ regeneration of inner hair cells in the damaged cochlea by temporally regulated co-expression of Atoh1 and Tbx2. Development 2023, 150 PMID: 38078650, DOI: 10.1242/dev.201888.Peer-Reviewed Original ResearchCochlear transcript diversity and its role in auditory functions implied by an otoferlin short isoform
Liu H, Liu H, Wang L, Song L, Jiang G, Lu Q, Yang T, Peng H, Cai R, Zhao X, Zhao T, Wu H. Cochlear transcript diversity and its role in auditory functions implied by an otoferlin short isoform. Nature Communications 2023, 14: 3085. PMID: 37248244, PMCID: PMC10227054, DOI: 10.1038/s41467-023-38621-3.Peer-Reviewed Original ResearchConceptsShort isoformEndocytic membrane retrievalRNA sequencing techniquesDiverse biological functionsInner hair cellsTranscript diversityUnannotated transcriptsRNA-seqAlternative isoformsMembrane retrievalBiological functionsGENCODE databasesKey proteinsIsoform resolutionSequencing techniquesSustained exocytosisIsoformsMechanistic understandingAuditory functionSanger sequencingHair cellsTranscriptsRT-PCRSynaptic transmissionAuditory phenotype
2019
Functional alteration of ribbon synapses in inner hair cells by noise exposure causing hidden hearing loss
Liu H, Lu J, Wang Z, Song L, Wang X, Li G, Wu H. Functional alteration of ribbon synapses in inner hair cells by noise exposure causing hidden hearing loss. Neuroscience Letters 2019, 707: 134268. PMID: 31103727, DOI: 10.1016/j.neulet.2019.05.022.Peer-Reviewed Original ResearchConceptsInner hair cellsModerate noise exposureHearing lossRibbon synapsesNoise exposureHair cellsPersistent reductionWhole-cell patch-clamp recordingsNoise-induced hearing lossSynapse functionAuditory afferent fibersHidden hearing lossABR wave ISynaptic vesiclesAuditory brainstem response (ABR) amplitudesPatch-clamp recordingsSevere noise exposureWhole mount immunofluorescence stainingPatch-clamp electrophysiologySensory hair cellsAfferent fibersABR thresholdPersistent alterationsExposure altersFunctional alterationsCellular Differences in the Cochlea of CBA and B6 Mice May Underlie Their Difference in Susceptibility to Hearing Loss
Liu H, Li G, Lu J, Gao Y, Song L, Li G, Wu H. Cellular Differences in the Cochlea of CBA and B6 Mice May Underlie Their Difference in Susceptibility to Hearing Loss. Frontiers In Cellular Neuroscience 2019, 13: 60. PMID: 30873008, PMCID: PMC6400987, DOI: 10.3389/fncel.2019.00060.Peer-Reviewed Original ResearchInner hair cellsEarly-onset hearing lossB6 miceOnset hearing lossHearing lossRibbon synapsesOuter hair cell functionMouse strainsCBA/CaJ miceWave I latencySpiral ganglion neuronsSynaptic vesiclesHair cell functionCellular differencesStable hearingSimilar hearing thresholdsI latencyABR thresholdGanglion neuronsGlutamate toxicityHearing thresholdsWave IMiceHair cellsCell function
2018
Characterizing a novel vGlut3-P2A-iCreER knockin mouse strain in cochlea
Li C, Shu Y, Wang G, Zhang H, Lu Y, Li X, Li G, Song L, Liu Z. Characterizing a novel vGlut3-P2A-iCreER knockin mouse strain in cochlea. Hearing Research 2018, 364: 12-24. PMID: 29706463, DOI: 10.1016/j.heares.2018.04.006.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationAmino Acid Transport Systems, AcidicAnimalsCochleaEvoked Potentials, Auditory, Brain StemFemaleGene Knock-In TechniquesGenes, ReporterGenotypeHair Cells, Auditory, OuterIntegrasesLuminescent ProteinsMaleMice, Inbred C57BLMice, TransgenicNeurogliaPhenotypeReaction TimeReceptors, EstrogenSelective Estrogen Receptor ModulatorsSpiral GanglionTamoxifenTime FactorsConceptsInner hair cellsOuter hair cellsSpiral ganglion neuronsKnockin mouse strainGlia cellsVesicular glutamate transporter 3Mouse strainsHair cellsCochlear outer hair cellsRosa26-LSLVGLUT3 expressionGanglion neuronsVGLUT3Mouse cochleaTransporter 3Negative cellsMouse genetic studiesAntibody stainingTamoxifenUnique expression patternP2/P3Specific cell typesCell typesSitu hybridizationCochlea