Articles tagged with Skeletal Muscle
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Research reveals that physical inactivity and chronic inflammation drive secondary aging, altering gene expression in skeletal muscle. The study identified approximately 4,000 genes affected by physical inactivity and inflammation, while fewer than 200 were linked to primary aging.
The study reveals changes in motor protein structure and energy consumption during hibernation, highlighting key differences between large and small hibernators. Myosin plays a crucial role in non-shivering thermogenesis, with smaller mammals experiencing increased ATP consumption at lower temperatures.
Researchers have engineered bovine muscle stem cells to produce their own fibroblast growth factor, reducing the cost of production for cultivated meat. This innovation could lead to more affordable and accessible cultured meat products in the near future.
Researchers in Japan have developed a two-legged biohybrid robot that uses muscle tissues to achieve fine movements and efficiency. The robot can walk, stop, and make precise turning motions, paving the way for future advancements in robotics.
Researchers assess vamorolone's promise in treating Duchenne muscular dystrophy, finding similar efficacy to prednisone but some reduced adverse side effects. However, further investigation is needed on its cost and mechanisms of action.
Researchers develop nanofibrous matrices containing MXene nanoparticles to aid in muscle regeneration. The study reveals molecular mechanisms behind the effects of MXene nanoparticles on muscle growth, suggesting a promising avenue for treating volumetric muscle loss and muscle-related ailments.
A recent study reveals that the tethering of mitochondria to the endoplasmic reticulum plays a crucial role in muscle development, regeneration, and maintenance. The researchers propose targeting the Notch signaling pathway as a potential therapeutic option for muscle atrophy caused by mitochondrial abnormalities.
A new study found that exercise-induced Pgc-1α expression inhibits fat accumulation in aged skeletal muscles. The researchers identified Pgc-1α as a key player in FAP regulation and suggested that its upregulation leads to increased mitochondrial fatty acid oxidation, inhibiting FAP fat accumulation.
Researchers at the University of Exeter discovered that spirulina and chlorella, two commercially available algae, are rich in protein and stimulate muscle growth. The study found that these algae can be an interesting and sustainable source of protein for maintaining and building muscle.
A new study published in the Journal of Nutrition found that consuming whole food omnivorous meals with lean beef resulted in significantly higher muscle protein synthesis rates compared to isocaloric and isonitrogenous vegan meals. The research, conducted on healthy older adults, demonstrated a 47% increase in muscle protein synthesis...
Researchers at Waseda University used diffusion tensor imaging to reconstruct fascicles in three dimensions, finding that a gearing mechanism reduces individual fascicle elongation during stretching. This mechanism allows muscles to extend without significant fiber length changes, preventing overstretching and injury.
A new study suggests that a longer reproductive life span is associated with a decreased risk of low handgrip strength in postmenopausal women. The findings, published in Menopause journal, also indicate that this trend continues even after controlling for other variables such as household income and level of education.
Researchers at UC Irvine have identified a critical gene for muscle repair and regeneration, enabling the creation of muscle in the lab that can support human stem cells. The discovery has immense implications for treating various chronic muscle disorders and injuries, including rotator cuff tears and Duchenne Muscular Dystrophy.
Researchers at Max Planck Institute of Molecular Physiology developed an innovative imaging technique to visualize the cardiac thick filament in its native environment. The resulting high-resolution image reveals new insights into the molecular organization and function of the sarcomere, a crucial component of heart muscle contraction.
A team of researchers found little evidence to support the notion that roles were assigned specifically to each sex during the Paleolithic era. Women's physiology and anatomy revealed they were physically capable of hunting, with advantages in endurance activities.
The study found that satellite cells possess an inherent capacity to sense and respond to regenerative cues independent of external signals from non-myogenic cells. Macrophages played a crucial role in regulating MuSC proliferation and differentiation, but their reduction led to impaired cell division and increased fibrosis.
A team of researchers aims to develop drug therapies by targeting genes that affect metabolism in people with Down syndrome, potentially improving their quality of life. The project will focus on the protein SIM2, which has been linked to breast cancer and metabolic changes in individuals with the condition.
Research reveals increased sympathetic nerve activity and reduced exercise capacity in patients with heart failure resulting from anthracycline chemotherapy. Sympathetic neural overdrive is associated with skeletal myopathy and decreased cardiac function.
A comprehensive study reveals that genetics and diet significantly influence insulin signaling in skeletal muscle. The research identified thousands of novel phosphosites associated with insulin regulation and provided a unique tool for assessing phosphorylation in insulin reactions.
Researchers have found that the protein Musashi-2 plays a crucial role in regulating type 2a muscle fiber mass and metabolism. The study reveals that Msi2 knockout mice exhibit reduced muscle mass, decreased myoglobin and mitochondria levels, and impaired sugar metabolism.
Scientists at the Terasaki Institute for Biomedical Innovation have developed a new bioink that enhances the formation of mature skeletal muscle tissue from muscle precursor cells, increasing efficiency and potential therapies for muscle loss or injury. The bioink's sustained delivery of IGF-1 promotes muscle regeneration and repair.
A recent study by Pennington Biomedical Research Center identifies GDF15 as a protein that acts as a cellular signal to enhance insulin secretion. High-intensity exercise training in patients with type 2 diabetes was found to have elevated levels of GDF15, associated with improved glycemic control.
Research identifies key molecular signatures and pathways contributing to skeletal muscle strength loss in females with estrogen deficiency. The study found parallel patterns of inhibition and activation across various signaling pathways, including AMPK and calcium signaling.
Researchers at Helmholtz-Zentrum Dresden-Rossendorf have discovered a potential therapeutic approach for curing neurodegenerative diseases using magnetic fields. In vitro trials showed that damaged motor neurons can be restored by exposure to magnetic fields, leading to axonal transport and regeneration of mitochondria.
Researchers at the University of Liège have made a groundbreaking discovery of a novel organisation of muscle fibres in Parophidion vassali, a fish that produces sounds using specialized muscles. This new arrangement of myofibrils forms an enormous network within the muscle fibre, potentially allowing for rapid contraction while retain...
A study published in Cell Reports reveals that a family of proteins involved in the regulation of fast twitch muscle fibers plays a significant role in their development. The researchers found that animals exposed to microgravity expressed higher levels of these proteins, leading to faster-to-slow muscle fiber conversion.
A recent study published in Calcified Tissue International found that heavy drinkers are at risk of muscle loss and frailty. The research, which analyzed data from the UK Biobank, suggests that consuming 10 units or more of alcohol per day can lead to lower muscle mass, even when adjusted for body size and other factors.
A team of researchers has identified TAK1 as a regulator of skeletal muscle mass, slowing down disease progression and improving muscle function in Duchenne muscular dystrophy. By targeting this protein, they can suppress muscle fiber death and enhance myofiber growth, offering a promising new approach to treatment.
A recent study conducted by NUS researchers shows that weekly exposure to proprietary pulsed electromagnetic field (PEMF) therapy using the BIXEPS device can significantly improve mobility and body composition in older adults, with notable benefits found in functional tests and reduced perception of pain.
Researchers at Koc University have identified a novel molecular mechanism that can slow down or block muscle wasting in cancer patients. The activation of EDA2R signalling promotes skeletal muscle atrophy, and deleting either EDA2R or NIK enzyme can protect the organism from muscle loss.
Researchers found that a mutation in RPL3L, expressed only in heart and skeletal muscle, leads to impaired cardiac contractility by causing ribosomal collisions and protein folding abnormalities. The study aims to develop new treatments for cardiomyopathy and atrial fibrillation.
Researchers discovered that African killifish muscles reverse to an early-life state towards the end of life, slowing mortality. The study suggests mechanisms preventing further deterioration and may lead to new treatments for age-related muscle loss.
Researchers develop a technique to visualize carnitine distribution in muscle fiber cells, finding higher concentrations in slow-type fibers. The study reveals rapid transport of carnitine into muscle cells during contraction, shedding light on metabolic processes and potential therapeutic applications.
Researchers found that statin users can engage in moderate-intensity exercise without exacerbating muscle injury or symptoms. The study's findings are reassuring for people experiencing muscle pain or fatigue from statins and provide important guidance for maintaining physical activity and heart health.
A new study from the University of Exeter finds that a vegan diet rich in mycoprotein can support muscle growth during resistance training to the same extent as an omnivorous diet. The study shows comparable increases in muscle mass and strength in response to both diets.
A new study found a protein that regulates macrophage function, clearing residues from regenerating muscle and recovering regenerative capacity in aged mice. The discovery holds promise for regenerative medicine and aging, potentially improving the success of current stem-cell based therapies.
A study by IMBA researchers links muscle degeneration to a deficiency in the enzyme PCYT2, essential for lipid synthesis. PCYT2 depletion affects mitochondrial function and muscle energetics, highlighting the importance of lipid balance in muscle health.
Researchers have successfully used AAV1.NT-3 gene therapy to improve muscle physiology and prevent age-related sarcopenia in mice. The treatment resulted in restored muscle mass, strength, and neural connections, offering a potential new option for managing this debilitating condition.
A study by Kumamoto University researchers reveals LSD1's role in regulating skeletal muscle response to environmental stress. The findings suggest that LSD1 moderates muscle adaptation to environmental conditions, with potential implications for maintaining muscle health and preventing diseases such as sarcopenia.
A study found that time-restricted feeding improves muscle performance in obese fruit flies by upregulating genes related to glycine production and utilization. This approach may provide a natural alternative therapy for managing obesity-related pathologies.
A recent study found that resistance training significantly improved muscle strength and reduced inflammation in older adults with sarcopenia. The research, conducted by Brazilian researchers, also showed that physical exercise can improve sleep quality and reduce chronic inflammation.
A new study found that long-term voluntary wheel running improved skeletal muscle and bone parameters in female mice, but the effects varied depending on body weight. High body weight was more beneficial for muscle and bone health with aging, especially when combined with exercise.
Exercise promotes a molecular profile consistent with expression of youthfulness-promoting Yamanaka factors, according to a recent study published in the Journal of Physiology. The researchers found that exercise induces Myc protein in muscle, which may serve as a naturally induced reprogramming stimulus.
Researchers from Tokyo Metropolitan University have discovered a protein called PDGF-B that not only promotes muscle growth but also enhances myotube maturation, leading to increased contractile strength. The findings offer a game-changing approach to treating muscle injuries and atrophy.
A new study has identified distinct patterns of circular RNA expression in human ALS muscle tissue, which display disease-specific gradients and could inform about neuromuscular molecular programs in ALS. The research reveals that specific circRNAs are elevated in ALS muscle biopsies but reduced in spinal cord samples from ALS patients.
A randomized controlled trial found that daily almond supplementation increased the beneficial fat molecule 12,13-DiHOME in blood plasma after intense exercise. This increase was associated with reduced muscle damage and fatigue, as well as improved recovery from exercise. The researchers suggest that polyphenols in almond skin may be ...
The CNIC study reveals two distinct mechanisms by which cells detect and respond to forces of varying strength, one mediated by caveolae and the other by newly discovered dolines. This finding has significant implications for understanding pathological processes such as atherosclerosis and neurodegenerative diseases.
Researchers at the University of Montreal discovered a key mechanism in muscle regeneration, enabling targeted therapies for diseases like muscular dystrophy. By biasing the conformation of a protein called ELMO2, they improved muscle fusion and regeneration in mouse models.
A study published in Aging-US reveals changes in gene expression associated with age-related muscle loss and frailty. Researchers identified unique cellular subpopulations in aged and sarcopenic skeletal muscle, which may facilitate the development of new treatments for age-related frailty.
Researchers highlight recent progress in organotypic models, which offer a balance between the accessibility and control of in vitro context. These models have been used to study various aging-related phenotypes, including skin, gut, and skeletal muscle, providing valuable insights into the underlying mechanisms.
Researchers identified a link between skeletal muscle atrophy and the loss of two types of myosin. The study showed that mice lacking these proteins experienced severe muscle atrophy and died within four weeks, providing a potential animal model for treating human muscle-wasting disorders.
Researchers found that low irisin blood levels could represent an early prognostic marker of muscle atrophy in microgravity environments. The study also suggested that irisin may help prevent the onset of atrophy and aging of skeletal muscle during bed rest.
A recent study found metabolic perturbations in young nonhuman primates' liver and skeletal muscle after maternal obesity during pregnancy, even after a normal diet was introduced post-weaning. The study identified 58 altered metabolites in the liver and 46 in skeletal muscle, suggesting long-term health consequences.
The SpaceX Dragon spacecraft will launch onboard a Falcon 9 rocket with critical research and supplies for the International Space Station. ISS National Laboratory-sponsored projects aim to bring value through space-based research and technology development.
Researchers at Ohio State University have found a clear link between the survival motor neuron protein and age-related muscle decline in mice, which may lead to the development of new therapies for sarcopenia. The study suggests that increasing SMN protein production could be a viable approach to addressing this age-related condition.
A study published in Science Advances reveals that physical exercise triggers a neuromuscular circuit that links the production of interleukin-6 to muscle fat breakdown. This circuit is crucial for weight loss and has significant implications for obesity treatment.
Research reveals that α-Ketoglutarate (AKG) supplementation promotes skeletal muscle mass, improves exercise endurance, and increases blood flow, making it a potential nutritional supplement for enhancing health and exercise performance. AKG also relaxes vascular smooth muscle, allowing tissues to receive abundant oxygen and nutrients.
Researchers suggest new criteria for diagnosing sarcopenia, a syndrome characterized by loss of muscle mass and force, with lower cutoff points leading to improved prediction of mortality risk. The study found that raising handgrip strength thresholds can detect the onset of sarcopenia earlier and more accurately.
Researchers identified protein levels that were higher or lower than normal in tissues from individuals at different stages of type 2 diabetes. The study found a correlation between metabolic pathway disturbances and disease progression, suggesting new potential causal mechanisms for the disease.
A new study in mice has mapped the cells, genes, and pathways that respond to exercise and diet, offering potential targets for drugs that mimic exercise's benefits. Exercise was found to push these systems in the opposite direction of high-fat diets.