Endoplasmic reticulum stress in the heart: insights into mechanisms and drug targets

S Wang, P Binder, Q Fang, Z Wang… - British journal of …, 2018 - Wiley Online Library
The endoplasmic reticulum (ER) serves several essential cellular functions including protein
synthesis, protein folding, protein translocation, calcium homoeostasis and lipid …

Unstructural biology of TRP ion channels: the role of intrinsically disordered regions in channel function and regulation

B Goretzki, C Guhl, F Tebbe, JM Harder… - Journal of Molecular …, 2021 - Elsevier
The first genuine high-resolution single particle cryo-electron microscopy structure of a
membrane protein determined was a transient receptor potential (TRP) ion channel, TRPV1 …

Cardiac Kir2.1 and NaV1.5 Channels Traffic Together to the Sarcolemma to Control Excitability

D Ponce-Balbuena, G Guerrero-Serna… - Circulation …, 2018 - Am Heart Assoc
Rationale: In cardiomyocytes, NaV1. 5 and Kir2. 1 channels interact dynamically as part of
membrane bound macromolecular complexes. Objective: The objective of this study was to …

Subcellular diversity of Nav1. 5 in cardiomyocytes: distinct functions, mechanisms and targets

GA Marchal, CA Remme - The Journal of Physiology, 2023 - Wiley Online Library
In cardiomyocytes, the rapid depolarisation of the membrane potential is mediated by the α‐
subunit of the cardiac voltage‐gated Na+ channel (NaV1. 5), encoded by the gene SCN5A …

Late sodium current inhibitors as potential antiarrhythmic agents

B Horváth, T Hézső, D Kiss, K Kistamás… - Frontiers in …, 2020 - frontiersin.org
Based on recent findings, an increased late sodium current (INa, late) plays an important
pathophysiological role in cardiac diseases, including rhythm disorders. The article first …

Distinctive Properties and Powerful Neuromodulation of Nav1.6 Sodium Channels Regulates Neuronal Excitability

A Zybura, A Hudmon, TR Cummins - Cells, 2021 - mdpi.com
Voltage-gated sodium channels (Navs) are critical determinants of cellular excitability.
These ion channels exist as large heteromultimeric structures and their activity is tightly …

Life Cycle of the Cardiac Voltage-Gated Sodium Channel NaV1.5

C Dong, Y Wang, A Ma, T Wang - Frontiers in physiology, 2020 - frontiersin.org
Cardiac voltage-gated sodium channel NaV1. 5, encoded by SCN5A, is crucial for the
upstroke of action potential and excitation of cardiomyocytes. NaV1. 5 undergoes complex …

Unfolded protein response in cardiovascular disease

KT Kubra, MS Akhter, MA Uddin, N Barabutis - Cellular Signalling, 2020 - Elsevier
The unfolded protein response (UPR) is a highly conserved molecular machinery, which
protects the cells against a diverse variety of stimuli. Activation of this element has been …

[HTML][HTML] Brugada syndrome trafficking–defective Nav1. 5 channels can trap cardiac Kir2. 1/2.2 channels

M Pérez-Hernández, M Matamoros, S Alfayate… - JCI insight, 2018 - ncbi.nlm.nih.gov
Abstract Cardiac Nav1. 5 and Kir2. 1–2.3 channels generate Na (I Na) and inward rectifier K
(I K1) currents, respectively. The functional I Na and I K1 interplay is reinforced by the …

Genomic and non-genomic regulatory mechanisms of the cardiac sodium channel in cardiac arrhythmias

H Daimi, E Lozano-Velasco, A Aranega… - International Journal of …, 2022 - mdpi.com
Nav1. 5 is the predominant cardiac sodium channel subtype, encoded by the SCN5A gene,
which is involved in the initiation and conduction of action potentials throughout the heart …