Human cardiac troponin complex. Structure and functions

IA Katrukha - Biochemistry (Moscow), 2013 - Springer
Troponin complex is a component of skeletal and cardiac muscle thin filaments. It consists of
three subunits—troponin I, T, and C, and it plays a crucial role in muscle activity, connecting …

[HTML][HTML] The physiological role of cardiac cytoskeleton and its alterations in heart failure

V Sequeira, LLAM Nijenkamp, JA Regan… - … et Biophysica Acta (BBA …, 2014 - Elsevier
Cardiac muscle cells are equipped with specialized biochemical machineries for the rapid
generation of force and movement central to the work generated by the heart. During each …

Cardiac muscle thin filament structures reveal calcium regulatory mechanism

Y Yamada, K Namba, T Fujii - Nature communications, 2020 - nature.com
Contraction of striated muscles is driven by cyclic interactions of myosin head projecting
from the thick filament with actin filament and is regulated by Ca2+ released from …

Cardiac disorders and pathophysiology of sarcomeric proteins

J van der Velden, GJM Stienen - Physiological reviews, 2019 - journals.physiology.org
The sarcomeric proteins represent the structural building blocks of heart muscle, which are
essential for contraction and relaxation. During recent years, it has become evident that …

Perturbed length-dependent activation in human hypertrophic cardiomyopathy with missense sarcomeric gene mutations

V Sequeira, PJM Wijnker, LLAM Nijenkamp… - Circulation …, 2013 - Am Heart Assoc
Rationale: High-myofilament Ca2+ sensitivity has been proposed as a trigger of disease
pathogenesis in familial hypertrophic cardiomyopathy (HCM) on the basis of in vitro and …

The streptococcal M protein: a highly versatile molecule

PR Smeesters, DJ McMillan, KS Sriprakash - Trends in microbiology, 2010 - cell.com
Interaction of the M-protein of group A Streptococcus (GAS) with its numerous host binding
partners might assist the bacteria in evading host immune responses. Although the …

Historical perspective on heart function: the Frank–Starling Law

V Sequeira, J van der Velden - Biophysical reviews, 2015 - Springer
More than a century of research on the Frank–Starling Law has significantly advanced our
knowledge about the working heart. The Frank–Starling Law mandates that the heart is able …

Thin filament mutations: developing an integrative approach to a complex disorder

JC Tardiff - Circulation research, 2011 - Am Heart Assoc
Sixteen years ago, mutations in cardiac troponin (Tn) T and α-tropomyosin were linked to
familial hypertrophic cardiomyopathy, thus transforming the disorder from a disease of the β …

Troponin structure and function: a view of recent progress

S Marston, JE Zamora - Journal of muscle research and cell motility, 2020 - Springer
The molecular mechanism by which Ca 2+ binding and phosphorylation regulate muscle
contraction through Troponin is not yet fully understood. Revealing the differences between …

High-resolution cryo-EM structure of the junction region of the native cardiac thin filament in relaxed state

CM Risi, B Belknap, HD White, K Dryden, JR Pinto… - PNAS …, 2023 - academic.oup.com
Cardiac contraction depends on molecular interactions among sarcomeric proteins
coordinated by the rising and falling intracellular Ca2+ levels. Cardiac thin filament (cTF) …