T-tubule biogenesis and triad formation in skeletal muscle and implication in human diseases

L Al-Qusairi, J Laporte - Skeletal muscle, 2011 - Springer
In skeletal muscle, the excitation-contraction (EC) coupling machinery mediates the
translation of the action potential transmitted by the nerve into intracellular calcium release …

The structure and function of cardiac t-tubules in health and disease

M Ibrahim, J Gorelik, MH Yacoub… - Proceedings of the …, 2011 - royalsocietypublishing.org
The transverse tubules (t-tubules) are invaginations of the cell membrane rich in several ion
channels and other proteins devoted to the critical task of excitation–contraction coupling in …

Absence of triadin, a protein of the calcium release complex, is responsible for cardiac arrhythmia with sudden death in human

N Roux-Buisson, M Cacheux… - Human molecular …, 2012 - academic.oup.com
Catecholaminergic polymorphic ventricular tachycardia (CPVT) is an inherited
arrhythmogenic disease so far related to mutations in the cardiac ryanodine receptor (RYR2) …

T-tubule disorganization and defective excitation-contraction coupling in muscle fibers lacking myotubularin lipid phosphatase

L Al-Qusairi, N Weiss, A Toussaint… - Proceedings of the …, 2009 - National Acad Sciences
Skeletal muscle contraction is triggered by the excitation-contraction (EC) coupling
machinery residing at the triad, a membrane structure formed by the juxtaposition of T …

Ablation of triadin causes loss of cardiac Ca2+ release units, impaired excitation–contraction coupling, and cardiac arrhythmias

N Chopra, T Yang, P Asghari… - Proceedings of the …, 2009 - National Acad Sciences
Heart muscle excitation–contraction (EC) coupling is governed by Ca2+ release units
(CRUs) whereby Ca2+ influx via L-type Ca2+ channels (Cav1. 2) triggers Ca2+ release from …

[HTML][HTML] Ca2+ microdomains organized by junctophilins

H Takeshima, M Hoshijima, LS Song - Cell calcium, 2015 - Elsevier
Excitable cells typically possess junctional membrane complexes (JMCs) constructed by the
plasma membrane and the endo/sarcoplasmic reticulum (ER/SR) for channel crosstalk …

Review of RyR1 pathway and associated pathomechanisms

JW Witherspoon, KG Meilleur - Acta neuropathologica communications, 2016 - Springer
Abstract Ryanodine receptor isoform-1 (RyR1) is a major calcium channel in skeletal muscle
important for excitation-contraction coupling. Mutations in the RYR1 gene yield RyR1 protein …

Luminal Ca2+ Regulation of Single Cardiac Ryanodine Receptors: Insights Provided by Calsequestrin and its Mutants

J Qin, G Valle, A Nani, A Nori, N Rizzi… - The Journal of general …, 2008 - rupress.org
The luminal Ca2+ regulation of cardiac ryanodine receptor (RyR2) was explored at the
single channel level. The luminal Ca2+ and Mg2+ sensitivity of single CSQ2-stripped and …

The sarcoplasmic reticulum of skeletal muscle cells: a labyrinth of membrane contact sites

D Rossi, E Pierantozzi, DO Amadsun, S Buonocore… - Biomolecules, 2022 - mdpi.com
The sarcoplasmic reticulum of skeletal muscle cells is a highly ordered structure consisting
of an intricate network of tubules and cisternae specialized for regulating Ca2+ homeostasis …

Calcium entry units (CEUs): Perspectives in skeletal muscle function and disease

F Protasi, L Pietrangelo, S Boncompagni - Journal of Muscle Research …, 2021 - Springer
In the last decades the term Store-operated Ca 2+ entry (SOCE) has been used in the
scientific literature to describe an ubiquitous cellular mechanism that allows recovery of …