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http://dx.doi.org/10.1080/15563650.2018.1527034 | DOI Listing |
J Cachexia Sarcopenia Muscle
February 2025
Mitodicure GmbH, Kriftel, Germany.
Background: Recent studies provide strong evidence for a key role of skeletal muscle pathophysiology in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). In a 2021 review article on the pathophysiology of ME/CFS, we postulated that hypoperfusion and ischemia can result in excessive sodium and calcium overload in skeletal muscles of ME/CFS patients to cause mitochondrial damage. Since then, experimental evidence has been provided that supports this concept.
View Article and Find Full Text PDFJ Cachexia Sarcopenia Muscle
February 2025
Sprott Centre for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, Canada.
Background: Duchenne muscular dystrophy (DMD) is a devastating disease characterized by progressive muscle wasting that leads to diminished lifespan. In addition to the inherent weakness of dystrophin-deficient muscle, the dysfunction of resident muscle stem cells (MuSC) significantly contributes to disease progression.
Methods: Using the mdx mouse model of DMD, we performed an in-depth characterization of disease progression and MuSC function in dystrophin-deficient skeletal muscle using immunohistology, isometric force measurements, transcriptomic analysis and transplantation assays.
Exp Physiol
December 2024
Exercise Biological Center, China Institute of Sport Science, Beijing, China.
The impact of housing temperature on exercise-induced metabolic adaptations is not well understood, despite extensive research on the benefits of exercise for metabolic health. The aim of this study was to elucidate how housing temperatures influence the molecular responses and metabolic benefits of exercise in mice. Male C57BL/6N mice were housed at either room temperature (RT, 21°C) or in a thermoneutral environment (TN, 29°C) and subjected to either a 6-week or acute exercise regimen.
View Article and Find Full Text PDFSports Med Open
December 2024
School of Behavioural and Health Sciences, Australian Catholic University, Melbourne, 115 Victoria Parade, Fitzroy, VIC, 3065, Australia.
The aponeurosis is a large fibrous connective tissue structure within and surrounding skeletal muscle and is a critical component of the muscle-tendon unit (MTU). Due to the lack of consensus on terminology and the heterogeneous nature of the aponeurosis between MTUs, there are several questions that remain unanswered. For example, the aponeurosis is often conflated with the free tendon rather than being considered an independent structure.
View Article and Find Full Text PDFRadiology
December 2024
From the Oxford Centre for Clinical Magnetic Resonance Research (OCMR), Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Headley Way, Oxford OX3 9DU, UK (L.E.M.F., M.P.C., M.J., A.S., Z.A., S.N., D.J.T., B.R., L.V.); Oncology and Haematology Centre, Churchill Hospital, Oxford, UK (A.S.); Axcella Therapeutics, Cambridge, Mass (K.A.); and Institute of Measurement Science, Slovak Academy of Sciences, Bratislava, Slovakia (L.V.).
Background Emerging evidence suggests mitochondrial dysfunction may play a role in the fatigue experienced by individuals with post-COVID-19 condition (PCC), commonly called long COVID, which can be assessed using MR spectroscopy. Purpose To compare mitochondrial function between participants with fatigue-predominant PCC and healthy control participants using MR spectroscopy, and to investigate the relationship between MR spectroscopic parameters and fatigue using the 11-item Chalder fatigue questionnaire. Materials and Methods This prospective, observational, single-center study (June 2021 to January 2024) included participants with PCC who reported moderate to severe fatigue, with normal blood test and echocardiographic results, alongside control participants without fatigue symptoms.
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