Results 11 to 20 of about 274,660 (308)
One of the most prevalent types of epilepsy is temporal lobe epilepsy (TLE), which has unknown etiological factors and drug resistance. The detailed mechanisms underlying potassium channels in human TLE have not yet been elucidated.
Lin-ming Zhang +10 more
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The atomic structures of K+ channels have added a new dimension to our understanding of K+ channel function. I will briefly review how structures have influenced our views on ion conduction, gating of the pore, and voltage sensing.
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Potassium Channels in Epilepsy [PDF]
This review attempts to give a concise and up-to-date overview on the role of potassium channels in epilepsies. Their role can be defined from a genetic perspective, focusing on variants and de novo mutations identified in genetic studies or animal models with targeted, specific mutations in genes coding for a member of the large potassium channel ...
Rüdiger, Köhling, Jakob, Wolfart
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Effect of an autism-associated KCNMB2 variant, G124R, on BK channel properties
BK K+ channels are critical regulators of neuron and muscle excitability, comprised of a tetramer of pore-forming αsubunits from the KCNMA1 gene and cell- and tissue-selective β subunits (KCNMB1-4).
Hans J. Moldenhauer +4 more
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The effect of potential-dependent potassium uptake on membrane potential in rat brain mitochondria [PDF]
The effect of potential-dependent potassium uptake on the transmembrane potential difference (ΔΨm) in rat brain mitochondria has been studied. It was shown that in potassium concentration range of 0-120 mM the potential-dependent K+-uptake into matrix ...
O. V. Akopova +5 more
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Structure of potassium channels [PDF]
Potassium channels ubiquitously exist in nearly all kingdoms of life and perform diverse but important functions. Since the first atomic structure of a prokaryotic potassium channel (KcsA, a channel from Streptomyces lividans) was determined, tremendous progress has been made in understanding the mechanism of potassium channels and channels conducting ...
Qie Kuang, Pasi Purhonen, Hans Hebert
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Scorpion venom is a rich source of promising therapeutic compounds, such as highly selective ion channel ligands with potent pharmacological effects. Bot33 is a new short polypeptide of 38 amino acid residues with six cysteines purified from the venom of
Rym ElFessi +6 more
doaj +1 more source
KCNE1 and KCNE2 provide a checkpoint governing voltage-gated potassium channel α-subunit composition [PDF]
Voltage-gated potassium (Kv) currents generated by N-type α-subunit homotetramers inactivate rapidly because an N-terminal ball domain blocks the channel pore after activation.
Abbott, G. +12 more
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The potassium channels were recently found to be inhibited by animal toxin-like human β-defensin 2 (hBD2), the first defensin blocker of potassium channels. Whether there are other defensin blockers from different organisms remains an open question. Here,
Fang Xiang +7 more
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Mitochondrial Potassium Channels as Druggable Targets
Mitochondrial potassium channels have been described as important factors in cell pro-life and death phenomena. The activation of mitochondrial potassium channels, such as ATP-regulated or calcium-activated large conductance potassium channels, may have ...
Antoni Wrzosek +3 more
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