Results 91 to 100 of about 51,464 (286)

The Calcineurin-FoxO-MuRF1 signaling pathway regulates myofibril integrity in cardiomyocytes. [PDF]

, 2017
Altered Ca2+ handling is often present in diseased hearts undergoing structural remodeling and functional deterioration. However, whether Ca2+ directly regulates sarcomere structure has remained elusive.
Chen, Jau-Nian, Geisler, Robert, Huang, Jie, Langenbacher, Adam D, Otto, Georg, Shimizu, Hirohito, Wang, Kevin, Wang, Yibin   +7 more
core   +3 more sources

Formin’ muscle sarcomeres [PDF]

Journal of Cell Biology, 2012
![Figure][1] Actin filaments (magenta) show a striated pattern in wild-type body wall muscle cells (left) but are disorganized in cells lacking CYK-1 (right). Mi-Mi et al. describe two actin-nucleating proteins that assemble actin filaments into the sarcomeres of worm muscle cells ...
openaire   +1 more source

Targeted Anti‐IL‐1 Immunomodulatory Therapy in Pediatric Onset PPP1R13L‐Related Arrhythmogenic Cardiomyopathy

American Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Autosomal recessive loss‐of‐function variants in PPP1R13L cause an ultra‐rare cardiocutaneous syndrome characterized by rapidly progressive arrhythmogenic cardiomyopathy (ACM). PPP1R13L encodes iASPP, which has two potentially overlapping mechanisms driving ACM as both a regulator of NFκB‐mediated inflammation and a binding partner within the ...
Aaron Renberg, Savannah Coppersmith, Owen Merritt, Amer Heider, Adam Helms, Thomas Michniacki, Jack Luxford, Sarah Josephi‐Taylor, Philip Roberts, Joshua Meisner   +9 more
wiley   +1 more source

Overexpression of Lifeact in the C. elegans body wall muscle causes sarcomere disorganization and embryonic or larval lethality

Frontiers in Cell and Developmental Biology
Lifeact is a short peptide that is widely utilized as a probe for actin filaments in live imaging. However, high concentrations of Lifeact can alter actin filament dynamics and cause artificial modifications to the actin cytoskeleton.
Shoichiro Ono, Shoichiro Ono
doaj   +1 more source

Sarcomere dynamics revealed by a myofilament integrated FRET-based biosensor in live skeletal muscle fibers

Scientific Reports, 2022
The sarcomere is the functional unit of skeletal muscle, essential for proper contraction. Numerous acquired and inherited myopathies impact sarcomere function causing clinically significant disease.
Ashley A. Martin, Brian R. Thompson, Jonathan P. Davis, Hluechy Vang, Dongwoo Hahn, Joseph M. Metzger   +5 more
doaj   +1 more source

Novel MYL1 Intron Variant With Expanded Phenotype

American Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Congenital myopathy‐14 (CMYO14) is an ultrarare autosomal recessive disorder caused by biallelic variants in MYL1, with only four patients reported to date. We describe what is likely the fifth reported patient, a neonate with severe hypotonia, respiratory insufficiency, and skeletal anomalies showing distinct histological changes of skeletal ...
Maria Barington, Marie Balslev‐Harder, Thomas Krag, Thomas van Overeem Hansen, Camilla Bernt Wulff, Ulrik Lausten‐Thomsen, Tina Duelund Hjortshøj, Elsebet Østergaard   +7 more
wiley   +1 more source

Are the class 18 myosins Myo18A and Myo18B specialist sarcomeric proteins?

Frontiers in Physiology
Initially, the two members of class 18 myosins, Myo18A and Myo18B, appeared to exhibit highly divergent functions, complicating the assignment of class-specific functions.
Markus Horsthemke, Charles-Adrien Arnaud, Charles-Adrien Arnaud, Peter J. Hanley   +3 more
doaj   +1 more source

Metformin enhances external urethral sphincter integrity and restores continence via AMPK activation in a rat model of stress urinary incontinence

Animal Models and Experimental Medicine, EarlyView.
The pathogenesis of stress urinary incontinence (SUI) is intimately associated with injury to the external urethral sphincter (EUS). In this study, we established an SUI model induced by double vaginal distension and demonstrated that metformin treatment activated the AMPK signaling in the EUS tissue.
Yuting Xu, Xuhong Li, Alvaro Munoz, Li Jiang, Lihua Huang, Yanhua Zhou, Liping Zhu, Youbo Yang   +7 more
wiley   +1 more source

Considerations for an In Vitro, Cell-Based Testing Platform for Detection of Drug-Induced Inotropic Effects in Early Drug Development. Part 2: Designing and Fabricating Microsystems for Assaying Cardiac Contractility With Physiological Relevance Using Human iPSC-Cardiomyocytes

Frontiers in Pharmacology, 2019
Contractility of the myocardium engines the pumping function of the heart and is enabled by the collective contractile activity of its muscle cells: cardiomyocytes.
Alexandre J. S. Ribeiro, Brian D. Guth, Brian D. Guth, Michael Engwall, Sandy Eldridge, C. Michael Foley, Liang Guo, Gary Gintant, John Koerner, Stanley T. Parish, Jennifer B. Pierson, Mathew Brock, Khuram W. Chaudhary, Yasunari Kanda, Brian Berridge   +14 more
doaj   +1 more source

Age and gender effects on echocardiographic and histopathological cardiac phenotypes in healthy adult mice

Animal Models and Experimental Medicine, EarlyView.
This study investigated the impact of age and sex on cardiac phenotypes in healthy adult C57BL/6J mice using echocardiography and histopathological analyses. Findings revealed that female mice demonstrated more pronounced global cardiac chamber dilation during aging.
Shuang Wen, Xijia Shao, Xiulin Zhang, Ningning Zhang, Xiao Chen, Guangxin Yue, Jiangping Song   +6 more
wiley   +1 more source