Results 1 to 10 of about 12,064 (247)

Inwardly rectifying potassium channels

open access: yesCurrent Opinion in Cell Biology, 1999
Inwardly rectifying potassium (Kir) channels regulate the resting membrane potential of the cell and thereby modulate the electrical activity of cardiac and neuronal cells, insulin secretion and epithelial K(+) transport. Considerable progress in understanding the molecular structure of Kir channels and the way in which they are regulated by ...
Frank Reimann, Frances M Ashcroft
exaly   +5 more sources

Direct modulation of G protein-gated inwardly rectifying potassium (GIRK) channels [PDF]

open access: yesFrontiers in Physiology
Ion channels play a pivotal role in regulating cellular excitability and signal transduction processes. Among the various ion channels, G-protein-coupled inwardly rectifying potassium (GIRK) channels serve as key mediators of neurotransmission and ...
Paul A Slesinger, Slesinger Paul A
exaly   +4 more sources

Wine polyphenol resveratrol inhibits contractions of isolated rat uterus by activation of smooth muscle inwardly rectifying potassium channels [PDF]

open access: yesVeterinarski Glasnik, 2016
Resveratrol is a phytoalexin produced in a number of plant species including grapes. The benefit of resveratrol to health is widely reported. Resveratrol has been found to promote relaxation of non-pregnant and pregnant uterus, but its mechanism
Novaković Radmila   +9 more
doaj   +4 more sources

Inwardly rectifying potassium channels: Critical insights for insect species and Apis mellifera [PDF]

open access: yesChannels
Kir (inwardly rectifying potassium) channels that play key roles in maintaining potassium homeostasis, neuronal excitability, and osmoregulation have been cloned and characterized in a variety of insects.
Fabien Sourisseau   +3 more
doaj   +2 more sources

Transmembrane Structure of an Inwardly Rectifying Potassium Channel [PDF]

open access: yesCell, 1999
Inwardly rectifying potassium channels (K(ir)), comprising four subunits each with two transmembrane domains, M1 and M2, regulate many important physiological processes. We employed a yeast genetic screen to identify functional channels from libraries of K(ir) 2.1 containing mutagenized M1 or M2 domains.
Daniel L Minor   +2 more
exaly   +3 more sources

Cholesterol intake and statin use regulate neuronal G protein-gated inwardly rectifying potassium channels

open access: yesJournal of Lipid Research, 2019
Cholesterol, a critical component of the cellular plasma membrane, is essential for normal neuronal function. Cholesterol content is highest in the brain, where most cholesterol is synthesized de novo; HMG-CoA reductase controls the synthesis rate ...
Anna N Bukiya, Avia Rosenhouse-Dantsker
exaly   +3 more sources

Engineered tRNA reduces vision loss in a mouse model of Leber congenital amaurosis [PDF]

open access: yesSignal Transduction and Targeted Therapy
Premature termination codons (PTCs) are a major class of pathogenic variants that underlie rare inherited disorders, including forms of childhood blindness.
Pawan K. Shahi   +12 more
doaj   +2 more sources

Role of Astrocytic Inwardly Rectifying Potassium (Kir) 4.1 Channels in Epileptogenesis

open access: yesFrontiers in Neurology, 2020
Astrocytes regulate potassium and glutamate homeostasis via inwardly rectifying potassium (Kir) 4.1 channels in synapses, maintaining normal neural excitability.
Masato Kinboshi   +3 more
doaj   +1 more source

The Relevance of GIRK Channels in Heart Function

open access: yesMembranes, 2022
Among the large number of potassium-channel families implicated in the control of neuronal excitability, G-protein-gated inwardly rectifying potassium channels (GIRK/Kir3) have been found to be a main factor in heart control. These channels are activated
Ana Campos-Ríos   +2 more
doaj   +1 more source

Computational Insights Into Voltage Dependence of Polyamine Block in a Strong Inwardly Rectifying K+ Channel

open access: yesFrontiers in Pharmacology, 2020
Inwardly rectifying potassium (KIR) channels play important roles in controlling cellular excitability and K+ ion homeostasis. Under physiological conditions, KIR channels allow large K+ influx at potentials negative to the equilibrium potential of K ...
Xingyu Chen   +3 more
doaj   +1 more source

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