Disuse-induced skeletal muscle atrophy in disease and nondisease states in humans: mechanisms, prevention, and recovery strategies

EA Nunes, T Stokes, J McKendry… - … of Physiology-Cell …, 2022 - journals.physiology.org
Decreased skeletal muscle contractile activity (disuse) or unloading leads to muscle mass
loss, also known as muscle atrophy. The balance between muscle protein synthesis (MPS) …

The function of metformin in aging-related musculoskeletal disorders

Y Song, Z Wu, P Zhao - Frontiers in Pharmacology, 2022 - frontiersin.org
Metformin is a widely accepted first-line hypoglycemic agent in current clinical practice, and
it has been applied to the clinic for more than 60 years. Recently, researchers have …

Disuse‐induced muscle fibrosis, cellular senescence, and senescence‐associated secretory phenotype in older adults are alleviated during re‐ambulation with …

JJ Petrocelli, AI McKenzie, NMMP de Hart… - Aging …, 2023 - Wiley Online Library
Muscle inflammation and fibrosis underlie disuse‐related complications and may contribute
to impaired muscle recovery in aging. Cellular senescence is an emerging link between …

Branched‐Chain Amino Acids and Mitochondrial Biogenesis: An Overview and Mechanistic Summary

JS Hinkle, CN Rivera… - Molecular Nutrition & Food …, 2022 - Wiley Online Library
Branched‐chain amino acids (BCAA) are essential in the diet and promote several vital cell
responses which may have benefits for health and athletic performance, as well as disease …

Extracellular matrix content and remodeling markers do not differ in college-aged men classified as higher and lower responders to resistance training

JS Godwin, CL Sexton, NJ Kontos… - Journal of Applied …, 2023 - journals.physiology.org
We determined if skeletal muscle extracellular matrix (ECM) content and remodeling
markers adapted with resistance training or were associated with hypertrophic outcomes …

Metformin reduces myogenic contracture and myofibrosis induced by rat knee joint immobilization via AMPK-mediated inhibition of TGF-β1/Smad signaling pathway

F Wang, CX Zhou, Z Zheng, DJ Li, W Li… - Connective tissue …, 2023 - Taylor & Francis
Purpose The two structural components contributing to joint contracture formation are
myogenic and arthrogenic contracture, and myofibrosis is an important part of myogenic …

[HTML][HTML] Palmitate-induced inflammation and myotube atrophy in C2C12 cells are prevented by the whey bioactive peptide, glycomacropeptide

NMMP de Hart, JJ Petrocelli, RJ Nicholson… - The Journal of …, 2023 - Elsevier
Background Metabolic diseases are often associated with muscle atrophy and heightened
inflammation. The whey bioactive compound, glycomacropeptide (GMP), has been shown to …

[HTML][HTML] Dietary delivery of glycomacropeptide within the whey protein matrix is not effective in mitigating tissue ceramide deposition and obesity in mice fed a high-fat …

NMMP de Hart, JJ Petrocelli, RJ Nicholson… - Journal of dairy …, 2024 - Elsevier
Obesity is often accompanied by heightened circulating and tissue inflammation along with
an increase in sphingolipids (eg, ceramides) in metabolically active and insulin-sensitive …

Mechanisms and effects of metformin on skeletal muscle disorders

R Shang, J Miao - Frontiers in Neurology, 2023 - frontiersin.org
Skeletal muscle disorders are mostly genetic and include several rare diseases. With
disease progression, muscle fibrosis and adiposis occur, resulting in limited mobility. The …

Macrophage immunomodulation accelerates skeletal muscle functional recovery in aged mice following disuse atrophy

PJ Ferrara, EM Yee, JJ Petrocelli… - Journal of Applied …, 2022 - journals.physiology.org
Poor recovery of muscle size and strength with aging coincides with a dysregulated
macrophage response during the early stages of regrowth. Immunomodulation in the form of …