voltage-gated membrane channels
Hypoxic pulmonary vasoconstriction: role of voltage-gated potassium channels
... potassium channels is a physiologic mecha- nism for reversing hypoxia-induced membrane depolariza- tion, and thereby reversing depolarization-induced ...Kv channels, which are the channels ...
9
Systematic analysis of the contributions of stochastic voltage gated channels to neuronal noise
... at membrane noise from stochastic ion channels, beginning with Lecar and Nossal, who used stochastic differential equations and a reduced dynamical system model of the action potential to attempt to ...
14
Interactions of chemostimuli at the single cell level: studies in a model system
... the membrane hypothesis for carotid body chemoreception, in which chemostimuli inhibit type I cell K + channels, leading to depolarization, voltage-gated Ca 2+ entry and hence ...
7
Voltage-gated sodium channels and metastatic disease
... depolarized membrane potential compared to terminally differentiated cells, ...resting membrane potential of a typical neuron may be around -65 mV, 56 whereas we and others have shown that metastatic ...
33
Voltage gated calcium channels of Paramecium cilia
... indicated in each specific figure) was added to the whole-cell lysate, pellicle, P2, P10 or cilia suspension to achieve a final concentration of 1%. Each sample was agitated by rocking at 4°C for 1 h followed by ...
11
Evolution of voltage gated ion channels at the emergence of Metazoa
... ion channels are large transmembrane proteins that enable the passage of ions through their pore across the cell ...These channels belong to one superfamily and carry pivotal roles such as the propagation ...
11
Dual roles of voltage-gated sodium channels in development and cancer
... The fact that α subunits appear to be up-regulated in cancer cells and promote metastasis- like behaviour suggests that they may be useful therapeutic targets. Indeed, the VGSC- inhibiting drugs phenytoin and ranolazine ...
27
Critical illness polyneuropathy in ICU patients is related to reduced motor nerve excitability caused by reduced sodium permeability
... of voltage-gated sodium channels. Yet, faulty membrane depolarization as reported in various tissues of critically ill patients may cause reduced membrane excitability as ...nerve ...
12
The role of voltage-gated potassium channels in the regulation of mouse uterine contractility
... BK channels in the repolarisation of uter- ine myocyte membranes has been well-established ...BK channels may regulate the resting membrane potential of (and therefore the spontaneous contractile ...
12
Ion Channels in Peripheral Blood Mononuclear Cells – Effect of Culture and Ascorbic Acid.
... recorded membrane voltages (Figure 5b). This suggests that density of voltage gated proton channels decreased on the monocyte membrane during their differentiation into ...of ...
126
Molecular and functional characterization of voltage-gated sodium channels in human sperm
... v channels could play a more important role in the non-capacitated and in the initial capacitation steps and be inactivated during capacitation, when sperm membrane hyperpolarizes previously to the acrosome ...
9
Voltage-gated sodium channels dysfunction in depression: the hypothesis
... maybe their hypersensitive neighbors are likely to be key factors in the pathogenesis of depression (10,11). These changes in neuronal excitability result in dysregulation of various intracellular signaling transduction ...
5
The molecular biology of invertebrate voltage gated Ca(2+) channels
... current gated, the auxiliary subunits have important modulatory roles in HVA ...plasma membrane (Chien et ...and voltage-dependence of inactivation (Wei et ...the membrane- spanning δ segment, ...
16
The emerging role of voltage gated sodium channels in tumor biology
... sodium channels (VGSCs) are transmembrane proteins which function as gates that control the flux of ions across the cell ...ion channels for action potentials in excitable tissues and have important ...
8
Voltage-Gated Proton Channels and Other Proton Transfer Pathways
... that voltage-gated proton channels differ fundamentally in opening to form a continuous passive pathway through which protons can cross the entire membrane without ...proton channels in ...
105
Dual roles of voltage gated sodium channels in development and cancer
... The fact that a subunits appear to be up-regulated in cancer cells and promote metastasis-like behaviour suggests that they may be useful therapeutic targets. Indeed, the VGSC-inhibiting drugs phenytoin and ranolazine ...
11
Philosophy of voltage-gated proton channels
... the membrane potential. The rule is that each channel drives the membrane potential toward its own Nernst ...2þ channels open, they depolarize the membrane, whereas open K þ channels ...
23
Voltage-gated proton channels in microglia
... impermeant membrane.’ The ability of water molecules to permeate ion channels is not explicitly required, but the belief is so widespread that the channel’s hydrophilic interior is key to the ability of ...
28
Voltage-Gated Potassium Channels Kv1.3 –Potentially New Molecular Target in Cancer Diagnostics and Therapy
... potassium channels, Kv1.3, which were discovered in 1984, are integral membrane proteins which are activated (“open”) upon change of the cell membrane potential, enabling a passive flux of potassium ...
8
Shaltiel, Lior (2013): In vivo and in vitro analysis of the retinal voltage dependent L-type Ca2+channel Ca 1.4 function. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... via voltage gated Ca 2+ channels in the plasma ...lysosomes. Voltage gated Ca 2+ channels in the plasma membrane belong to the superfamily of voltage gated ...
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