OPA1 regulation of mitochondrial dynamics in skeletal and cardiac muscle

J Noone, DJ O'Gorman, HC Kenny - Trends in Endocrinology & Metabolism, 2022 - cell.com
The mitochondria are double-membrane organelles integral for energy metabolism.
Mitochondrial dynamics is regulated by inner and outer mitochondrial membrane (IMM and …

Factors mediating spaceflight-induced skeletal muscle atrophy

PHU Lee, M Chung, Z Ren… - American Journal of …, 2022 - journals.physiology.org
Skeletal muscle atrophy is a well-known consequence of spaceflight. Because of the
potential significant impact of muscle atrophy and muscle dysfunction on astronauts and …

Age-related gene expression signatures from limb skeletal muscles and the diaphragm in mice and rats reveal common and species-specific changes

T Shavlakadze, K Xiong, S Mishra, C McEwen, A Gadi… - Skeletal Muscle, 2023 - Springer
Background As a result of aging, skeletal muscle undergoes atrophy and a decrease in
function. This age-related skeletal muscle weakness is known as “sarcopenia”. Sarcopenia …

Age-related dysfunction in proteostasis and cellular quality control in the development of sarcopenia

HG Paez, CR Pitzer, SE Alway - Cells, 2023 - mdpi.com
Sarcopenia is a debilitating skeletal muscle disease that accelerates in the last decades of
life and is characterized by marked deficits in muscle strength, mass, quality, and metabolic …

The role of SIRT1 in skeletal muscle function and repair of older mice

MJ Myers, DL Shepherd, AJ Durr… - Journal of cachexia …, 2019 - Wiley Online Library
Abstract Background Sirtuin 1 (SIRT1) is a NAD+ sensitive deacetylase that has been linked
to longevity and has been suggested to confer beneficial effects that counter aging …

Microgravity and musculoskeletal health: what strategies should be used for a great challenge?

R Bonanni, I Cariati, M Marini, U Tarantino, V Tancredi - Life, 2023 - mdpi.com
Space colonization represents the most insidious challenge for mankind, as numerous
obstacles affect the success of space missions. Specifically, the absence of gravitational …

Muscle unloading: A comparison between spaceflight and ground‐based models

R Qaisar, A Karim, AB Elmoselhi - Acta Physiologica, 2020 - Wiley Online Library
Prolonged unloading of skeletal muscle, a common outcome of events such as spaceflight,
bed rest and hindlimb unloading, can result in extensive metabolic, structural and functional …

Skeletal muscle in MuRF1 null mice is not spared in low-gravity conditions, indicating atrophy proceeds by unique mechanisms in space

SM Cadena, Y Zhang, J Fang, S Brachat, P Kuss… - Scientific reports, 2019 - nature.com
Microgravity exposure is associated with loss of muscle mass and strength. The E3 ubiquitin
ligase MuRF1 plays an integral role in degrading the contractile apparatus of skeletal …

Mitigating sarcoplasmic reticulum stress limits disuse-induced muscle loss in hindlimb unloaded mice

AA Khan, MT Gul, A Karim, A Ranade, M Azeem… - npj …, 2022 - nature.com
Muscle disuse in the hindlimb unloaded (HU) mice causes significant atrophy and
weakness. However, the cellular and molecular mechanisms driving disuse-muscle atrophy …

Metabolomics in aging research: aging markers from organs

W Fang, S Chen, X Jin, S Liu, X Cao… - Frontiers in Cell and …, 2023 - frontiersin.org
Metabolism plays an important role in regulating aging at several levels, and metabolic
reprogramming is the main driving force of aging. Due to the different metabolic needs of …