Results 41 to 50 of about 2,330,072 (298)

Studies of NMDA receptor function and stoichiometry with truncated and tandem subunits [PDF]

open access: yes, 2003
The subunits that compose eukaryotic glutamate ion channel receptors have three transmembrane domains (TMs) and terminate with intracellular tails that are important for controlling channel expression and localization.
Schorge, S.   +3 more
core   +1 more source

Implications of stochastic ion channel gating and dendritic spine plasticity for neural information processing and storage [PDF]

open access: yes, 2012
On short timescales, the brain represents, transmits, and processes information through the electrical activity of its neurons. On long timescales, the brain stores information in the strength of the synaptic connections between its neurons.
O'Donnell, Cian
core   +3 more sources

Optical control of PIEZO1 channels

open access: yesNature Communications, 2023
PIEZO proteins are large, mechanically-activated trimeric ion channels. Here the authors report a light-gated mouse PIEZO1 channel, mOP1, whereby an azobenzene-based photoswitch covalently localised at the extracellular apex of a transmembrane helix ...
Francisco Andrés Peralta   +8 more
doaj   +1 more source

A biomimetic chiral-driven ionic gate constructed by pillar[6]arene-based host–guest systems

open access: yesNature Communications, 2018
Uptake and release of glucose is regulated by glucose-sensitive ion channels, but complexity of the system impedes investigation of the gating behavior under physiological conditions.
Yue Sun   +9 more
doaj   +1 more source

Polyunsaturated fatty acids modify the gating of Kv channels

open access: yesFrontiers in Pharmacology, 2012
Polyunsaturated fatty acids (PUFAs) have been reported to exhibit antiarrhythmic properties, which are attributed to their capability to modulate ion channels.
Cristina eMoreno   +4 more
doaj   +1 more source

Site-directed spin labeling reveals pentameric ligand-gated ion channel gating motions. [PDF]

open access: yesPLoS Biology, 2013
Pentameric ligand-gated ion channels (pLGICs) are neurotransmitter-activated receptors that mediate fast synaptic transmission. In pLGICs, binding of agonist to the extracellular domain triggers a structural rearrangement that leads to the opening of an ...
Cosma D Dellisanti   +9 more
doaj   +1 more source

The selectivity, voltage-dependence and acid sensitivity of the tandem pore potassium channel TASK-1 : contributions of the pore domains [PDF]

open access: yes, 2007
We have investigated the contribution to ionic selectivity of residues in the selectivity filter and pore helices of the P1 and P2 domains in the acid sensitive potassium channel TASK-1.
Sutcliffe, M. J.   +14 more
core   +1 more source

Cyclic Nucleotide-Gated Ion Channels [PDF]

open access: yesPhysiological Reviews, 2002
Cyclic nucleotide-gated (CNG) channels are nonselective cation channels first identified in retinal photoreceptors and olfactory sensory neurons (OSNs). They are opened by the direct binding of cyclic nucleotides, cAMP and cGMP. Although their activity shows very little voltage dependence, CNG channels belong to the superfamily of voltage-gated ion ...
U Benjamin, Kaupp, Reinhard, Seifert
openaire   +2 more sources

Glutathione accelerates sodium channel inactivation in excised rat axonal membrane patches [PDF]

open access: yes, 1992
The effects of glutathione were studied on the gating behaviour of sodium channels in membrane patches of rat axons. Depolarizing pulses from –120 to –40 mV elicited sodium currents of up to 500 pA, indicating the simultaneous activation of up to 250 ...
Quasthoff, Stefan   +3 more
core   +1 more source

The ligand gated ion channel database [PDF]

open access: yesNucleic Acids Research, 1999
The ligand gated ion channels (LGICs) are ionotropic receptors to neurotransmitters. Their physiological effect is carried out by the opening of an ionic channel upon binding of a particular neurotransmitter. These LGICs constitute superfamilies of receptors formed by homologous subunits.
Nicolas Le Novère, Jean-Pierre Changeux
openaire   +3 more sources

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