Mechanisms and physiological implications of cooperative gating of clustered ion channels

RE Dixon, MF Navedo, MD Binder… - Physiological …, 2022 - journals.physiology.org
Ion channels play a central role in the regulation of nearly every cellular process. Dating
back to the classic 1952 Hodgkin–Huxley model of the generation of the action potential, ion …

Nanoscale organization, regulation, and dynamic reorganization of cardiac calcium channels

RE Dixon - Frontiers in physiology, 2022 - frontiersin.org
The architectural specializations and targeted delivery pathways of cardiomyocytes ensure
that L-type Ca2+ channels (CaV1. 2) are concentrated on the t-tubule sarcolemma within …

STIM1-dependent peripheral coupling governs the contractility of vascular smooth muscle cells

V Krishnan, S Ali, AL Gonzales, P Thakore, CS Griffin… - Elife, 2022 - elifesciences.org
Peripheral coupling between the sarcoplasmic reticulum (SR) and plasma membrane (PM)
forms signaling complexes that regulate the membrane potential and contractility of vascular …

Kv2. 1 mediates spatial and functional coupling of L-type calcium channels and ryanodine receptors in mammalian neurons

NC Vierra, M Kirmiz, D van der List, LF Santana… - Elife, 2019 - elifesciences.org
The voltage-gated K+ channel Kv2. 1 serves a major structural role in the soma and
proximal dendrites of mammalian brain neurons, tethering the plasma membrane (PM) to …

Cardiac ryanodine receptor distribution is dynamic and changed by auxiliary proteins and post-translational modification

P Asghari, DRL Scriven, M Ng, P Panwar, KC Chou… - Elife, 2020 - elifesciences.org
The effects of the immunophilins, FKBP12 and FKBP12. 6, and phosphorylation on type II
ryanodine receptor (RyR2) arrangement and function were examined using correlation …

[HTML][HTML] DNA origami nanorulers and emerging reference structures

M Scheckenbach, J Bauer, J Zähringer, F Selbach… - APL Materials, 2020 - pubs.aip.org
The DNA origami technique itself is considered a milestone of DNA nanotechnology and
DNA origami nanorulers represent the first widespread application of this technique. DNA …

Cardiac multiscale bioimaging: from nano-through micro-to mesoscales

E Tolstik, SE Lehnart, C Soeller, K Lorenz… - Trends in …, 2024 - cell.com
Cardiac multiscale bioimaging is an emerging field that aims to provide a comprehensive
understanding of the heart and its functions at various levels, from the molecular to the entire …

Cerebral arteriolar and neurovascular dysfunction after chemically induced menopause in mice

JA Blackwell, JF Silva, EM Louis… - American Journal …, 2022 - journals.physiology.org
Cognitive decline is linked to decreased cerebral blood flow, particularly in women after
menopause. Impaired cerebrovascular function precedes the onset of dementia, possibly …

Three-dimensional and chemical mapping of intracellular signaling nanodomains in health and disease with enhanced expansion microscopy

TMD Sheard, ME Hurley, J Colyer, E White… - ACS …, 2019 - ACS Publications
Nanodomains are intracellular foci which transduce signals between major cellular
compartments. One of the most ubiquitous signal transducers, the ryanodine receptor (RyR) …

Functionally linked potassium channel activity in cerebral endothelial and smooth muscle cells is compromised in Alzheimer's disease

JL Taylor, HAT Pritchard, KR Walsh… - Proceedings of the …, 2022 - National Acad Sciences
The brain microcirculation is increasingly viewed as a potential target for disease-modifying
drugs in the treatment of Alzheimer's disease patients, reflecting a growing appreciation of …