Results 41 to 50 of about 18,132 (269)

Electrical stimulation of the superior sagittal sinus suppresses A-type K+ currents and increases P/Q- and T-type Ca2+ currents in rat trigeminal ganglion neurons

open access: yesThe Journal of Headache and Pain, 2019
Background Migraine is a debilitating neurological disorder involving abnormal trigeminovascular activation and sensitization. However, the underlying cellular and molecular mechanisms remain unclear.
Junping Cao   +6 more
doaj   +1 more source

Genetics update: monogenetics, polygene disorders and the quest for modifying genes [PDF]

open access: yes, 2018
The genetic channelopathies are a broad collection of diseases. Many ion channel genes demonstrate wide phenotypic pleiotropy, but nonetheless concerted efforts have been made to characterise genotype-phenotype relationships.
Symonds, Joseph D., Zuberi, Sameer M.
core   +1 more source

Concealed Substrates in Brugada Syndrome: Isolated Channelopathy or Associated Cardiomyopathy?

open access: yesGenes, 2022
Simple summary Having a new and more precise definition of BrS, based on its cardiomyopathic component, may be crucial to meliorate the current clinical management of patients, at (i) diagnostic, (ii) prognostic, and (iii) therapeutic levels: (i ...
C. Di Resta   +9 more
semanticscholar   +1 more source

Cholecystokinin type B receptor-mediated inhibition of A-type K+ channels enhances sensory neuronal excitability through the phosphatidylinositol 3-kinase and c-Src-dependent JNK pathway

open access: yesCell Communication and Signaling, 2019
Background Cholecystokinin (CCK) is implicated in the regulation of nociceptive sensitivity of primary afferent neurons. Nevertheless, the underlying cellular and molecular mechanisms remain unknown.
Shumin Yu   +8 more
doaj   +1 more source

Episodic neurologic disorders: syndromes, genes, and mechanisms. [PDF]

open access: yes, 2013
Many neurologic diseases cause discrete episodic impairment in contrast with progressive deterioration. The symptoms of these episodic disorders exhibit striking variety.
Fu, Ying-Hui   +2 more
core   +2 more sources

Identification of Two Rare Variants in Iranian Families With Familial Sudden Cardiac Death. [PDF]

open access: yesInt J Genomics
Cellular action potential is characterized by a particular sequence of depolarizing and repolarizing ion currents regulated by ion channels. Genetic mutations in these channels disrupt the essential movement of ions, such as Na+, Ca++, and K+, across the cell membrane, leading to dangerous arrhythmias and sudden cardiac death (SCD).
Tahmasebivand M   +9 more
europepmc   +2 more sources

Mechanistic ion channel interactions in red cells of patients with Gárdos channelopathy.

open access: yesBlood Advances, 2021
In patients with Gárdos channelopathy (p.R352H), an increased concentration of intracellular Ca2+ was previously reported. This is a surprising finding because the Gárdos channel (KCa3.1) is a K+ channel. Here, we confirm the increased intracellular Ca2+
Julia Jansen   +9 more
semanticscholar   +1 more source

Hypoxia induces voltage-gated K+ (Kv) channel expression in pulmonary arterial smooth muscle cells through hypoxia-inducible factor-1 (HIF-1)

open access: yesBiomolecules & Biomedicine, 2012
Hypoxia-inducible factor-1 (HIF-1) regulates the expression of hypoxia-inducible genes by binding erythropoietin (EPO) enhancer fragments. Of these genes, HIF-1 upregulates voltage-gated K+1.2 channels (Kv1.2) in rat PC12 cells.
Qian Dong   +5 more
doaj   +1 more source

Andersen-Tawil syndrome: report of 3 novel mutations and high risk of symptomatic cardiac involvement. [PDF]

open access: yes, 2014
IntroductionAndersen-Tawil syndrome (ATS) is a potassium channelopathy affecting cardiac and skeletal muscle. Periodic paralysis is a presenting symptom in some patients, whereas, in others, symptomatic arrhythmias or prolongation of QT in ...
Bieganowska, Katarzyna   +11 more
core   +2 more sources

ClC-1 Chloride Channel: Inputs on the Structure–Function Relationship of Myotonia Congenita-Causing Mutations

open access: yesBiomedicines, 2023
Myotonia congenita is a hereditary muscle disease mainly characterized by muscle hyperexcitability, which leads to a sustained burst of discharges that correlates with the magnitude and duration of involuntary aftercontractions, muscle stiffness, and ...
Oscar Brenes   +2 more
doaj   +1 more source

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