Results 51 to 60 of about 132,798 (291)

Cryo-EM structure of the KvAP channel reveals a non-domain-swapped voltage sensor topology

open access: yeseLife, 2019
Conductance in voltage-gated ion channels is regulated by membrane voltage through structural domains known as voltage sensors. A single structural class of voltage sensor domain exists, but two different modes of voltage sensor attachment to the pore ...
Xiao Tao, Roderick MacKinnon
doaj   +1 more source

Maturation of NaV and KV channel topographies in the auditory nerve spike initiator before and after developmental onset of hearing function [PDF]

open access: yes, 2016
Auditory nerve excitation and thus hearing depend on spike-generating ion channels and their placement along the axons of auditory nerve fibers (ANFs).
Kim, Kyunghee X, Rutherford, Mark A
core   +2 more sources

Cell surface interactome analysis identifies TSPAN4 as a negative regulator of PD‐L1 in melanoma

open access: yesMolecular Oncology, EarlyView.
Using cell surface proximity biotinylation, we identified tetraspanin TSPAN4 within the PD‐L1 interactome of melanoma cells. TSPAN4 negatively regulates PD‐L1 expression and lateral mobility by limiting its interaction with CMTM6 and promoting PD‐L1 degradation.
Guus A. Franken   +7 more
wiley   +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

Insights Into the Antigenic Repertoire of Unclassified Synaptic Antibodies

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective We sought to characterize the sixth most common finding in our neuroimmunological laboratory practice (tissue assay‐observed unclassified neural antibodies [UNAs]), combining protein microarray and phage immunoprecipitation sequencing (PhIP‐Seq). Methods Patient specimens (258; 133 serums; 125 CSF) meeting UNA criteria were profiled;
Michael Gilligan   +22 more
wiley   +1 more source

Marine Toxins Targeting Ion Channels

open access: yesMarine Drugs, 2006
: This introductory minireview points out the importance of ion channels for cell communication. The basic concepts on the structure and function of ion channels triggered by membrane voltage changes, the so-called voltage-gated ion channels (VGICs), as ...
Hugo R. Arias
doaj   +1 more source

KCNQs: Ligand- and Voltage-Gated Potassium Channels

open access: yesFrontiers in Physiology, 2020
Voltage-gated potassium (Kv) channels in the KCNQ (Kv7) family are essential features of a broad range of excitable and non-excitable cell types and are found in organisms ranging from Hydra vulgaris to Homo sapiens.
Geoffrey W. Abbott
doaj   +1 more source

Developmental, Neuroanatomical and Cellular Expression of Genes Causing Dystonia

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Dystonia is one of the most common movement disorders, with variants in multiple genes identified as causative. However, an understanding of which developmental stages, brain regions, and cell types are most relevant is crucial for developing relevant disease models and therapeutics.
Darren Cameron   +5 more
wiley   +1 more source

Advances in the role of intestinal ion channels in the pathogenesis of irritable bowel syndrome [PDF]

open access: yesJichu yixue yu linchuang, 2020
Ion channels are widely present in mucous membranes of the digestive tract, their abnormal expression and(or) function are important pathogenic mechanisms of irritable bowel syndrome (IBS).
LAN Fei, LIU Tai-yang, YANG Jie
doaj  

Membrane mechanics as a probe of ion-channel gating mechanisms [PDF]

open access: yes, 2008
The details of conformational changes undergone by transmembrane ion channels in response to stimuli, such as electric fields and membrane tension, remain controversial.
Kondev, Jane   +4 more
core   +1 more source

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