Results 61 to 70 of about 264,171 (312)

Skeletal Muscle Mitochondria and Aging: A Review [PDF]

Journal of Aging Research, 2012
Aging is characterized by a progressive loss of muscle mass and muscle strength. Declines in skeletal muscle mitochondria are thought to play a primary role in this process. Mitochondria are the major producers of reactive oxygen species, which damage DNA, proteins, and lipids if not rapidly quenched.
Courtney M. Peterson, Darcy L. Johannsen, Eric Ravussin   +2 more
openaire   +3 more sources

Metformin promotes mitochondrial integrity through AMPK‐signaling in Leber's hereditary optic neuropathy

FEBS Open Bio, EarlyView.
Metformin mediates mitochondrial quality control in Leber's hereditary optic neuropathy (LHON) fibroblasts carrying mtDNA mutations. At therapeutic levels, metformin activates AMPK signaling to restore mitochondrial dynamics by promoting fusion and restraining fission, while preserving mitochondrial mass, enhancing autophagy/mitophagy and biogenesis ...
Chatnapa Panusatid, Rapasviranda Soiyangsuk, Maneeluck Tanadjindarat, Chayanon Peerapittayamongkol   +3 more
wiley   +1 more source

Myofibril and mitochondria morphogenesis are coordinated by a mechanical feedback mechanism in muscle

Nature Communications, 2021
Mitochondria produce high amounts of ATP to power myosin motors and sustained muscle contraction. Here, the authors show that during development, muscles coordinate the morphogenesis of their myofibrils directly with their mitochondria to optimize both ...
Jerome Avellaneda, Clement Rodier, Fabrice Daian, Nicolas Brouilly, Thomas Rival, Nuno Miguel Luis, Frank Schnorrer   +6 more
doaj   +1 more source

Growth hormone plus resistance exercise attenuate structural changes in rat myotendinous junctions resulting from chronic unloading. [PDF]

, 2013
Myotendinous junctions (MTJs) are specialized sites on the muscle surface where forces generated by myofibrils are transmitted across the sarcolemma to the extracellular matrix.
Burattini, S, Ciuffoli, S, Curzi, D, Edgerton, VR, Falcieri, E, Grindeland, RE, Lattanzi, D, Roy, RR, Tidball, JG   +8 more
core   +2 more sources

Differential regulation of ZFAS1 splice variants by endoplasmic reticulum stress in hepatocyte cell lines

FEBS Open Bio, EarlyView.
ZFAS1 is a lncRNA promoting cell proliferation and migration, exhibiting high expression in various cancers. It is conserved, widely expressed, and produces multiple splice variants with unclear roles. We identified several splice variants in hepatocyte models, and found that inhibiting or suppressing regulators of the unfolded protein response (PERK ...
Sébastien Soubeyrand, Paulina Lau, Ruth McPherson   +2 more
wiley   +1 more source

Mitochondrial Function and Reactive Oxygen/Nitrogen Species in Skeletal Muscle

Frontiers in Cell and Developmental Biology, 2022
Skeletal muscle fibers contain a large number of mitochondria, which produce ATP through oxidative phosphorylation (OXPHOS) and provide energy for muscle contraction.
Ming-Ming Chen, Yan Li, Shou-Long Deng, Yue Zhao, Zheng-Xing Lian, Kun Yu   +5 more
doaj   +1 more source

Photothermal imaging of skeletal muscle mitochondria

Biomedical Optics Express, 2017
The morphology and topology of mitochondria provide useful information about the physiological function of skeletal muscle. Previous studies of skeletal muscle mitochondria are based on observation with transmission, scanning electron microscopy or fluorescence microscopy. In contrast, photothermal (PT) microscopy has advantages over the above commonly
Toru, Tomimatsu, Jun, Miyazaki, Yutaka, Kano, Takayoshi, Kobayashi   +3 more
openaire   +2 more sources

Intercompartmental communication in senescence

FEBS Open Bio, EarlyView.
Senescent cells experience structural changes in the plasma membrane, endoplasmic reticulum, mitochondria, lysosomes, nucleus, and cytoskeleton. These alterations disrupt crosstalk among cellular compartments, impairing vesicular trafficking, contact sites, and molecular flow.
Krystyna Mazan‐Mamczarz, Eleanor J. Wind, Jixiang Leng, Myriam Gorospe   +3 more
wiley   +1 more source

Subcellular Specialization of Mitochondrial Form and Function in Skeletal Muscle Cells

Frontiers in Cell and Developmental Biology, 2021
Across different cell types and within single cells, mitochondria are heterogeneous in form and function. In skeletal muscle cells, morphologically and functionally distinct subpopulations of mitochondria have been identified, but the mechanisms by which
T. Bradley Willingham, Peter T. Ajayi, Brian Glancy, Brian Glancy   +3 more
doaj   +1 more source

Bcl-2 protein family: Implications in vascular apoptosis and atherosclerosis [PDF]

, 2006
Apoptosis has been recognized as a central component in the pathogenesis of atherosclerosis, in addition to the other human pathologies such as cancer and diabetes.
A Ashkenazi, A Bakhshi, A Basu, A Gross, A Letai, A Mandic, A Nechushtan, A Nechushtan, A Ruiz-Vela, A Saxena, A Schinzel, A Strasser, AE Rusinol, AJ Bruce-Keller, AP Gilmore, AS Belzacq, AZ Badrichani, B Antonsson, B Fadeel, B Hufnagel, C Adrain, C Borner, C Napoli, C Scaffidi, C Soldani, D de Moissac, D Decaudin, D Heiser, DE Wood, DG Kirsch, DJ Veis, DM Finucane, DW Dickson, E Oda, EA Slee, EH Cheng, EJ Ackermann, FA Sinicrope, G Basanez, G Molostvov, G van Loo, G van Loo, GD Norata, GJ Griffiths, GV Putcha, H He, H Kataoka, H Li, HH Kim, HS Lee, Huveyda Basaga, I Marzo, I Marzo, J Chen, J Han, J Liu, J Masuda, J Yang, J Yu, J Yu, J Zha, JC Reed, JL Bodmer, K Nakano, K Ochs, K Sakurai, K Wang, K Yamamoto, KM Hajra, KM Murphy, L He, M Aritomi, M del Mar Martinez-Senac, M Narita, M Nguyen, M Sata, M Sata, M Sattler, MB Bogdanov, MC Wei, MJ Pollman, MM Kockx, MR Bennett, MR Morissette, MR Sprick, MY Donath, N Donovan, N Mirkovic, N Motoyama, O Kutuk, O Meilhac, OW Rokhlin, Ozgur Kutuk, P Pauletto, PM Yao, Q Huang, R Rashmi, R Ross, R Ross, RA Gottlieb, RJ Alvarez, RM Kluck, S Conus, S Desagher, S Dramsi, S Grethe, S Krajewski, S Nouraini, S Ottilie, S Shimizu, S Takarada, S Vicca, S Vicca, SA Keogh, SA Memon, SC Ruffolo, SJ Korsmeyer, SJ Korsmeyer, SJ Neame, SL Schendel, SN Willis, SR Datta, SR Datta, SW Muchmore, SY Hsu, T Ito, T Lee, T Shibue, TD Littlewood, TS Soderstrom, UK Messmer, V Mikhailov, V Mikhailov, V Petronilli, V Petronilli, W Zhang, X Cao, XM Sun, Y Deng, Y Gazitt, Y Konishi, Y Liang, Y Michowitz   +142 more
core   +1 more source