2001
Non-uniform mapping of stress-induced, motility-related charge movement in the outer hair cell plasma membrane
Takahashi S, Santos-Sacchi J. Non-uniform mapping of stress-induced, motility-related charge movement in the outer hair cell plasma membrane. Pflügers Archiv - European Journal Of Physiology 2001, 441: 506-513. PMID: 11212214, DOI: 10.1007/s004240000455.Peer-Reviewed Original ResearchConceptsCell plasma membranePlasma membraneLateral membranesOuter hair cell plasma membraneVoltage-dependent motilityMammalian cochlear amplifierOuter hair cell electromotilityMembrane microdomainsGating currentsHair cell electromotilityTurgor pressureOHC motorMolecular motorsElectromotile responseMembraneMotilityCytoskeletonCharge movementBell-shaped distributionMicrodomainsElectromotilityNon-uniform mappingPronase treatmentCochlear amplifierPronase
1998
Effect of Membrane Tension on Gap Junctional Conductance of Supporting Cells in Corti's Organ
Zhao H, Santos-Sacchi J. Effect of Membrane Tension on Gap Junctional Conductance of Supporting Cells in Corti's Organ. The Journal Of General Physiology 1998, 112: 447-455. PMID: 9758863, PMCID: PMC2229429, DOI: 10.1085/jgp.112.4.447.Peer-Reviewed Original ResearchConceptsTurgor pressureInner ear gap junctionsMembrane tensionPositive turgor pressureProtein kinase inhibitorsGap junctionsOsmotic pressure regulationPipette pressureSupporting cellsInner earMicroM HCochlear homeostasisGap junctional conductanceKinase inhibitorsMechanical forcesCell sizeJunctional conductance
1995
Membrane tension directly shifts voltage dependence of outer hair cell motility and associated gating charge
Kakehata S, Santos-Sacchi J. Membrane tension directly shifts voltage dependence of outer hair cell motility and associated gating charge. Biophysical Journal 1995, 68: 2190-2197. PMID: 7612863, PMCID: PMC1282124, DOI: 10.1016/s0006-3495(95)80401-7.Peer-Reviewed Original ResearchConceptsIntracellular turgor pressureCortical cytoskeletal networkIntracellular pressureOuter hair cellsCytoskeletal networkCell motilityMammalian basilar membraneCytoskeletal elementsTurgor pressureOHC motorMembrane tensionCell collapseMechanical vibrationNonlinear capacitanceVoltage-dependent capacitanceHair cell motilityGating chargeHair cellsCell configurationCapacitanceMembrane stressOuter hair cell motilityWhole-cell voltage-clamp configurationMotility