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 …

A critical discussion on the relationship between E3 ubiquitin ligases, protein degradation, and skeletal muscle wasting: it's not that simple

DC Hughes, CA Goodman, LM Baehr… - … of Physiology-Cell …, 2023 - journals.physiology.org
Ubiquitination is an important post-translational modification (PTM) for protein substrates,
whereby ubiquitin is added to proteins through the coordinated activity of activating (E1) …

Impaired proteostatic mechanisms other than decreased protein synthesis limit old skeletal muscle recovery after disuse atrophy

JD Fuqua, MM Lawrence, ZR Hettinger… - Journal of Cachexia …, 2023 - Wiley Online Library
Background Skeletal muscle mass and strength diminish during periods of disuse but
recover upon return to weight bearing in healthy adults but are incomplete in old muscle …

Exercise and mitochondrial remodeling to prevent age-related neurodegeneration

CL O'Reilly, BF Miller… - Journal of Applied …, 2023 - journals.physiology.org
Healthy brain activity requires precise ion and energy management creating a strong
reliance on mitochondrial function. Age-related neurodegeneration leads to a decline in …

Skeletal muscle denervation: past, present and future

TY Kostrominova - International Journal of Molecular Sciences, 2022 - mdpi.com
This Special Issue presents some of the most recent studies on the skeletal muscle
denervation. Skeletal muscle innervation comprises stable and functional nerve interactions …

The loss of cardiac SIRT3 decreases metabolic flexibility and proteostasis in an age-dependent manner

P Li, MF Newhardt, S Matsuzaki, C Eyster, A Pranay… - GeroScience, 2023 - Springer
SIRT3 is a longevity factor that acts as the primary deacetylase in mitochondria. Although
ubiquitously expressed, previous global SIRT3 knockout studies have shown primarily a …

A novel method for visualizing in-vivo rates of protein degradation provides insight into how TRIM28 regulates muscle size

ND Steinert, KW Jorgenson, KH Lin, JB Hermanson… - IScience, 2023 - cell.com
Skeletal muscle size is controlled by the balance between protein synthesis and protein
degradation. Given the essential role of skeletal muscle in maintaining a high quality of life …

Cardiovasomobility: an integrative understanding of how disuse impacts cardiovascular and skeletal muscle health

JD Trinity, MJ Drummond… - Journal of Applied …, 2022 - journals.physiology.org
Cardiovasomobility is a novel concept that encompasses the integration of cardiovascular
and skeletal muscle function in health and disease with critical modification by physical …

High‐fat diet increases electron transfer flavoprotein synthesis and lipid respiration in skeletal muscle during exercise training in female mice

PM Batterson, EM McGowan, AK Borowik… - Physiological …, 2023 - Wiley Online Library
High‐fat diet (HFD) and exercise remodel skeletal muscle mitochondria. The electron
transfer flavoproteins (ETF) transfer reducing equivalents from β‐oxidation into the electron …

Skeletal and cardiac muscle have different protein turnover responses in a model of right heart failure

DR Bruns, BD McNair, FF Peelor III, AK Borowik… - GeroScience, 2023 - Springer
Right heart failure (RHF) is a common and deadly disease in aged populations. Extra-
cardiac outcomes of RHF such as skeletal muscle atrophy contribute to morbidity and …