Mechanisms of mechanical overload-induced skeletal muscle hypertrophy: current understanding and future directions

MD Roberts, JJ McCarthy… - Physiological …, 2023 - journals.physiology.org
Mechanisms underlying mechanical overload-induced skeletal muscle hypertrophy have
been extensively researched since the landmark report by Morpurgo (1897) of “work …

[HTML][HTML] Fusion and beyond: Satellite cell contributions to loading‐induced skeletal muscle adaptation

KA Murach, CS Fry, EE Dupont‐Versteegden… - The FASEB …, 2021 - ncbi.nlm.nih.gov
Satellite cells support adult skeletal muscle fiber adaptations to loading in numerous ways.
The fusion of satellite cells, driven by cell‐autonomous and/or extrinsic factors, contributes …

Molecular mechanisms of skeletal muscle hypertrophy

S Schiaffino, C Reggiani, T Akimoto… - Journal of …, 2021 - content.iospress.com
Skeletal muscle hypertrophy can be induced by hormones and growth factors acting directly
as positive regulators of muscle growth or indirectly by neutralizing negative regulators, and …

The hallmarks of cell-cell fusion

JM Hernández, B Podbilewicz - Development, 2017 - journals.biologists.com
Cell-cell fusion is essential for fertilization and organ development. Dedicated proteins
known as fusogens are responsible for mediating membrane fusion. However, until recently …

Nuclear numbers in syncytial muscle fibers promote size but limit the development of larger myonuclear domains

AAW Cramer, V Prasad, E Eftestøl, T Song… - Nature …, 2020 - nature.com
Mammalian cells exhibit remarkable diversity in cell size, but the factors that regulate
establishment and maintenance of these sizes remain poorly understood. This is especially …

Starring or supporting role? Satellite cells and skeletal muscle fiber size regulation

KA Murach, CS Fry, TJ Kirby, JR Jackson… - …, 2018 - journals.physiology.org
Recent loss-of-function studies show that satellite cell depletion does not promote
sarcopenia or unloading-induced atrophy, and does not prevent regrowth. Although …

[HTML][HTML] The effect of resistance training, detraining and retraining on muscle strength and power, myofibre size, satellite cells and myonuclei in older men

S Blocquiaux, T Gorski, E Van Roie… - Experimental …, 2020 - Elsevier
Introduction Ageing is associated with an attenuated hypertrophic response to resistance
training and periods of training interruptions. Hence, elderly would benefit from the 'muscle …

Myonuclear content regulates cell size with similar scaling properties in mice and humans

KA Hansson, E Eftestøl, JC Bruusgaard… - Nature …, 2020 - nature.com
Muscle fibers are the largest cells in the body, and one of its few syncytia. Individual cell
sizes are variable and adaptable, but what governs cell size has been unclear. We find that …

Skeletal muscle memory

AP Sharples, DC Turner - American Journal of Physiology …, 2023 - journals.physiology.org
Skeletal muscle memory is an exciting phenomenon gaining significant traction across
several scientific communities, among exercise practitioners, and the public. Research has …

Cell fusion: merging membranes and making muscle

MJ Petrany, DP Millay - Trends in cell biology, 2019 - cell.com
Cell fusion is essential for the development of multicellular organisms, and plays a key role
in the formation of various cell types and tissues. Recent findings have highlighted the …