[HTML][HTML] Human‑made electromagnetic fields: Ion forced‑oscillation and voltage‑gated ion channel dysfunction, oxidative stress and DNA damage

DJ Panagopoulos… - International …, 2021 - spandidos-publications.com
Exposure of animals/biological samples to human‑made electromagnetic fields (EMFs),
especially in the extremely low frequency (ELF) band, and the microwave/radio frequency …

Hydration dynamics in biological membranes: Emerging applications of terahertz spectroscopy

S Pal, A Chattopadhyay - The Journal of Physical Chemistry …, 2021 - ACS Publications
Water drives the spontaneous self-assembly of lipids and proteins into quasi two-
dimensional biological membranes that act as catalytic scaffolds for numerous processes …

Mechanism of voltage sensing in Ca2+- and voltage-activated K+ (BK) channels

W Carrasquel-Ursulaez, I Segura… - Proceedings of the …, 2022 - National Acad Sciences
In neurosecretion, allosteric communication between voltage sensors and Ca2+ binding in
BK channels is crucially involved in damping excitatory stimuli. Nevertheless, the voltage …

Mechanism of voltage gating in the voltage-sensing phosphatase Ci-VSP

R Shen, Y Meng, B Roux… - Proceedings of the …, 2022 - National Acad Sciences
Conformational changes in voltage-sensing domains (VSDs) are driven by the
transmembrane electric field acting on the protein charges. Yet, the overall energetics and …

Anionic omega currents from single countercharge mutants in the voltage-sensing domain of Ci-VSP

R Shen, B Roux, E Perozo - Journal of General Physiology, 2023 - rupress.org
The S4 segment of voltage-sensing domains (VSDs) directly responds to voltage changes
by reorienting within the electric field as a permion. A narrow hydrophobic “gasket” or charge …

CaV1.1 voltage-sensing domain III exclusively controls skeletal muscle excitation-contraction coupling

S Pelizzari, MC Heiss, ML Fernández-Quintero… - Nature …, 2024 - nature.com
Skeletal muscle contractions are initiated by action potentials, which are sensed by the
voltage-gated calcium channel (CaV1. 1) and are conformationally coupled to calcium …

Coupling Nanoscale Precision with Multiscale Imaging: A Multifunctional Near-Infrared Dye for the Brain

X Liu, Y Chen, C Hang, J Cheng, D Peng, Y Li… - ACS nano, 2024 - ACS Publications
Live imaging of primary neural cells is crucial for monitoring neuronal activity, especially
multiscale and multifunctional imaging that offers excellent biocompatibility. Multiscale …

[HTML][HTML] Mapping structural distribution and gating-property impacts of disease-associated mutations in voltage-gated sodium channels

AA Ahangar, E Elhanafy, H Blanton, J Li - Iscience, 2024 - cell.com
Thousands of voltage-gated sodium (Na v) channel variants contribute to a variety of
disorders, including epilepsy, cardiac arrhythmia, and pain disorders. Yet, the effects of more …

Domain-and state-specific shape of the electric field tunes voltage sensing in voltage-gated sodium channels

AY Kostritskii, JP Machtens - Biophysical Journal, 2023 - cell.com
The ability to sense transmembrane voltage underlies most physiological roles of voltage-
gated sodium (Nav) channels. Whereas the key role of their voltage-sensing domains …

A Deep Learning Approach to Uncover Voltage-Gated Ion Channels' Intermediate States

J Kacher, OS Sokolova, M Tarek - The Journal of Physical …, 2024 - ACS Publications
Owing to recent advancements in cryo-electron microscopy, voltage-gated ion channels
have gained a greater comprehension of their structural characteristics. However, a …