Mechanical regulation of gene expression in cardiac myocytes and fibroblasts

JJ Saucerman, PM Tan, KS Buchholz… - Nature Reviews …, 2019 - nature.com
The intact heart undergoes complex and multiscale remodelling processes in response to
altered mechanical cues. Remodelling of the myocardium is regulated by a combination of …

Genome-wide analysis of left ventricular image-derived phenotypes identifies fourteen loci associated with cardiac morphogenesis and heart failure development

N Aung, JD Vargas, C Yang, CP Cabrera, HR Warren… - Circulation, 2019 - Am Heart Assoc
Background: The genetic basis of left ventricular (LV) image-derived phenotypes, which play
a vital role in the diagnosis, management, and risk stratification of cardiovascular diseases …

Diaphragm contractile weakness due to reduced mechanical loading: role of titin

RJ van der Pijl, HL Granzier… - American Journal of …, 2019 - journals.physiology.org
The diaphragm, the main muscle of inspiration, is constantly subjected to mechanical
loading. Only during controlled mechanical ventilation, as occurs during thoracic surgery …

A K-shaped spring configuration to boost elastic potential energy

G Gatti - Smart Materials and structures, 2019 - iopscience.iop.org
In this paper, a nonlinear elastic system is presented to increase the elastic potential energy
for storage and release. The system consists of four linear mechanical springs arranged in a …

Unraveling obscurins in heart disease

A Grogan, A Kontrogianni-Konstantopoulos - Pflügers Archiv-European …, 2019 - Springer
Obscurins, expressed from the single OBSCN gene, are a family of giant, modular,
cytoskeletal proteins that play key structural and regulatory roles in striated muscles. They …

Getting into the thick (and thin) of it

TC Irving, R Craig - Journal of General Physiology, 2019 - rupress.org
Getting into the thick (and thin) of it | Journal of General Physiology | Rockefeller University Press
Skip to Main Content Advertisement Umbrella Alt Text Umbrella Alt Text Close About the Press …

Proposed mechanism for the length dependence of the force developed in maximally activated muscles

L Marcucci, T Washio, T Yanagida - Scientific reports, 2019 - nature.com
The molecular bases of the Frank-Starling law of the heart and of its cellular counterpart, the
length dependent activation (LDA), are largely unknown. However, the recent discovery of …

A mechanical model of the half-sarcomere which includes the contribution of titin

I Pertici, M Caremani, M Reconditi - Journal of muscle research and cell …, 2019 - Springer
The evidence, in both resting and active muscle, for the presence of an I-band spring
element like titin that anchors the Z line to the end of the thick filament did not yet produce a …

Protein dynamics simulations using coarse-grained models

S Kmiecik, J Wabik, M Kolinski, M Kouza… - … methods to study the …, 2019 - Springer
Simulations of protein dynamics may work on different levels of molecular detail. The levels
of simplification (coarse-graining) may concern different simulation aspects, including …

Acute modifications of left ventricular torsional mechanics induced by cardiac resynchronization therapy affect short-term reverse remodeling

C Sartori, A Degiovanni, F Devecchi, P Devecchi… - Circulation …, 2019 - jstage.jst.go.jp
Background: Left ventricular (LV) torsion is an important aspect of cardiac mechanics and is
altered in heart failure patients. Cardiac resynchronization therapy (CRT) has a positive …