MEMBRANE CURRENTS
Membrane Currents in Madin-Darby Bovine Kidney Cells are Enhanced by Exposure to Dioxin
... density currents (pA/pF) for both groups are shown in Figure 1, control (a) and treated ...the membrane currents for almost all steps and with all solutions ...of membrane values ( 80mV to ...
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Modulation of membrane currents by cyclic AMP in cleavage arrested Drosophila neurons
... neuronal membrane currents are of special interest, since second messengers have been shown to modulate the excitability of neurons in many different ...
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Changes of membrane currents during learning
... The essential link between the stimulus pattern here paired light and rotation and the change of ionic channels with learning is the training-induced voltage change of the Type B cell.. [r] ...
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Pharmacological control of membrane currents generating the after-hyperpolarization of rat sympathetic neurones
... evoke currents, and the magnitude of varied considerably from cell to ...poor currents were often associated with a low input resistance, following damage during ...ly^jjP’ currents were also a ...
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Divalent Cations as Charge Carriers During Two Functionally Different Membrane Currents in the Ciliate Stylonychia
... Current-voltage relationship: early inward current open circles and steady-state current filled circles in the standard Ca solution, and steady-state current triangles in the Mg solution[r] ...
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Membrane currents of cultured rat neostriatal neurones
... potassium currents in acutely dissociated and cultured medium spiny neurones of the rat (Surmeier at al, 1988a & 1989; Akins et a l , 1990; Stefani et a l , ...of currents and the precise nature of the ...
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A Quantitative Description of Nodal Membrane Currents in Myelinated Nerve Fibres of the Lizard Anous Carolinensis
... Although the ionic basis of nerve excitation was first elucidated in the squid giant axon Hodgkin and Huxley, 1952, later experiments on amphibian nodes of Ranvier revealed a similar mec[r] ...
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Membrane currents of pawn mutants of the pwA group in Paramecium tetraurelia
... Transient inward currents When the wild-type membrane is first held at the resting potential level — 31 mV in the Ca solution and — 36 mV in the Ca-K solution and then subjected to a st[r] ...
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Expression and permeation properties of the K + channel Kir7 1 in the retinal pigment epithelium
... use. Membrane currents were recorded using the conventional whole-cell or cell-attached patch recording configuration of the patch-clamp technique (Hamill et ...1981). Currents were amplified with an ...
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Membrane properties specialize mammalian inner hair cells for frequency or intensity encoding
... The perforated-patch technique (Rae et al., 1991) was used on a few mature gerbil IHCs (n = 7) in order to see whether endogenous Ca 2+ buffering affected the resting MT current and the other basolateral membrane ...
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Voltage dependent ionic currents in the ventromedial eclosion hormone neurons of Manduca sexta
... Recordings were made using a Dagan 8900 patch- clamp/whole-cell clamp amplifier (Minneapolis, MN, USA) with the 8910 headstage (100 MΩ feedback resistor) at room temperature (23–25 °C) within an average of 38 min (range ...
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State changes in the swimmeret system: a neural circuit that drives locomotion
... recorded membrane currents in swimmeret motor neurons during spontaneous transitions between silent and active states using ...inward currents ranged from ...inward currents of similar ...
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Distribution of Na+ and K+ Currents in Soma, Axons and Growth Cones of Leech Retzius Neurones in Culture
... Results Isolation of Na , K and Ca2* currents by loose patch Characteristic inward and outward membrane currents were evoked by applying depolarizing pulses to the surface of a Retzius c[r] ...
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Differentiation of mammalian vestibular hair cells from conditionally immortal, postnatal supporting cells
... basolateral membrane currents (Sugihara and Furukawa, 1996; Masetto and Correia, 1997), whereas different types of hair cell express large characteristic outward and/or inward rectifier currents (Ru ...
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Regularities and Causality; Generalizations and Causal Explanations
... potentials, currents, resistance, and conductance, Voltmeters and other equipment used to measure electrical quantities are designed so that inputs into them produce readings in accordance to Ohm’s ...
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CONTINUUM GATING CURRENT MODELS COMPUTED WITH CONSISTENT INTERACTIONS
... Fig. 9(a) shows the time courses of gating current for a range of voltages V, ranging from -62mV to -8mV. We can see the area under gating current, for both on and off parts, increases with V since more arginines are ...
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Continuum Gating Current Models Computed with Consistent Interactions
... Gating currents of the voltage sensor are now known to depend on the movements of posi- tively charged arginines through the hydrophobic plug of a voltage sensor ...
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Intracellular Calcium Release Channels Mediate Their Own Countercurrent: The Ryanodine Receptor Case Study
... There are, albeit indirect, measurements of the SR mem- brane potential (e.g., (14,28)). These studies generally have applied a model to convert an optical signal into a predicted SR potential change. Vergara et al. (14) ...
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Gender Differences in Histamine-Induced Depolarization and Inward Currents in Vagal Ganglion Neurons in Rats
... induced membrane depolarization in all of the unmyelinated C-type VGNs tested and none of the myelinated A-type ...significant membrane depolarization and marked inward cur- rents in the presence of ...
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Syntaxin 1A is expressed in airway epithelial cells, where it modulates CFTR Cl– currents
... Immunoprecipitation and Western blotting. CFTR immunoprecipitations (IPs) were performed in cell lysates (PBS containing 1% Triton X-100 and protease inhibitors: 1 mM PMSF, 1 µg/mL leupeptin, 1 µg/mL pepstatin, and 1 ...
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