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) …

[HTML][HTML] L-carnitine supplementation in recovery after exercise

R Fielding, L Riede, JP Lugo, A Bellamine - Nutrients, 2018 - mdpi.com
Given its pivotal role in fatty acid oxidation and energy metabolism, l-carnitine has been
investigated as ergogenic aid for enhancing exercise capacity in the healthy athletic …

Mitochondria as a target for mitigating sarcopenia

PM Coen, RV Musci, JM Hinkley, BF Miller - Frontiers in Physiology, 2019 - frontiersin.org
Sarcopenia is the loss of muscle mass, strength, and physical function that is characteristic
of aging. The progression of sarcopenia is gradual but may be accelerated by periods of …

[HTML][HTML] Integrated genomic and proteomic analyses identify stimulus-dependent molecular changes associated with distinct modes of skeletal muscle atrophy

LC Hunt, FA Graca, V Pagala, YD Wang, Y Li, ZF Yuan… - Cell reports, 2021 - cell.com
Skeletal muscle atrophy is a debilitating condition that occurs with aging and disease, but
the underlying mechanisms are incompletely understood. Previous work determined that …

[HTML][HTML] NAD+ boosting reduces age-associated amyloidosis and restores mitochondrial homeostasis in muscle

M Romani, V Sorrentino, CM Oh, H Li, TI de Lima… - Cell reports, 2021 - cell.com
Aging is characterized by loss of proteostasis and mitochondrial homeostasis. Here, we
provide bioinformatic evidence of dysregulation of mitochondrial and proteostasis pathways …

[HTML][HTML] Impaired proteostasis during skeletal muscle aging

R Fernando, C Drescher, K Nowotny, T Grune… - Free Radical Biology …, 2019 - Elsevier
Aging is a complex phenomenon that has detrimental effects on tissue homeostasis. The
skeletal muscle is one of the earliest tissues to be affected and to manifest age-related …

N-terminal acetylation shields proteins from degradation and promotes age-dependent motility and longevity

S Varland, RD Silva, I Kjosås, A Faustino… - Nature …, 2023 - nature.com
Most eukaryotic proteins are N-terminally acetylated, but the functional impact on a global
scale has remained obscure. Using genome-wide CRISPR knockout screens in human …

Hallmarks of ageing in human skeletal muscle and implications for understanding the pathophysiology of sarcopenia in women and men

A Granic, K Suetterlin, T Shavlakadze… - Clinical …, 2023 - portlandpress.com
Ageing is a complex biological process associated with increased morbidity and mortality.
Nine classic, interdependent hallmarks of ageing have been proposed involving genetic and …

A safety mechanism enables tissue-specific resistance to protein aggregation during aging in C. elegans

R Jung, MC Lechler, A Fernandez-Villegas… - PLoS …, 2023 - journals.plos.org
During aging, proteostasis capacity declines and distinct proteins become unstable and can
accumulate as protein aggregates inside and outside of cells. Both in disease and during …

Modeling Alzheimer's Disease in Caenorhabditis elegans

J Alvarez, P Alvarez-Illera, J Santo-Domingo… - Biomedicines, 2022 - mdpi.com
Alzheimer's disease (AD) is the most frequent cause of dementia. After decades of research,
we know the importance of the accumulation of protein aggregates such as β-amyloid …