Articles tagged with Muscles
Research from The Francis Crick Institute found that gut bacteria activate a specific gene called Ahr in intestinal nerves, promoting healthy digestion and peristalsis. This relationship can be disrupted in cases of irritable bowel syndrome (IBS), highlighting the importance of maintaining a balanced gut microbiome.
Scientists at the University of Tsukuba have identified two key enzymes, Sulf1 and Sulf2, critical for the normal development of the corticospinal tract (CST) in mice. The CST is a group of neuronal fibers connecting each side of the brain to the opposite side of the spinal cord, essential for voluntary motor movements.
Researchers at Technical University of Munich used CRISPR-Cas9 gene scissors to correct the mutated dystrophin gene in living pigs, improving muscle function and life expectancy. The therapy has shown promising results in a clinically relevant large animal model, mirroring Duchenne muscular dystrophy in humans.
Researchers at Wake Forest University are testing whether weighted vests can preserve bone density and quality in older adults with obesity. The study aims to provide a low-cost alternative to traditional resistance training, which has been shown to reduce muscle loss and improve bone strength.
Assistant Professor Søren Grubb has discovered precapillary sphincters in mice, which regulate the resistance between arterioles and capillaries. The findings suggest a potential link to diseases like migraine, Alzheimer's, and vascular dementia, which are associated with blood vessel defects.
Researchers developed functional neuromuscular organoids that form complex neuronal networks directing muscle tissue contraction. These organoids overcome limitations in studying human neuromuscular diseases, which are caused by defects in the control of body movement.
A Rutgers-led team has found that altering a protein called Connexin-43 may alleviate DMD-related heart disease by protecting against irregular heartbeats and late-stage failure. This discovery offers hope for prolonging the lives of muscular dystrophy patients, who are currently plagued by heart muscle breakdown.
Researchers found that Sestrin, a naturally occurring protein, can improve endurance and respiration in flies and mice. It may also help prevent muscle atrophy, potentially leading to new treatments for aging-related muscle wasting.
Researchers have discovered a way to reconstruct stable neural activity patterns from tens of neurons, potentially allowing for consistent control of neuroprostheses over long periods. This breakthrough has immediate implications for advancing neuroprosthetic devices that bypass neurological injuries.
Dr. Rakesh Pilkar is developing a novel system called SMARTq to monitor true muscle responses to neuromuscular stimulation in individuals with spinal cord injury and complete spinal cord injuries. The tool aims to improve functional outcomes by tailoring stimulation protocols.
Scientists at Iowa State University restored much of the cardiac function in middle-aged flies, which experience many of the same heart maladies as middle-aged humans. By boosting a key genetic pathway called mTORC2, researchers almost fully restored heart function, showing promise for treating human heart disease.
A recent OSU study assesses virtual reality movements' effects on muscle strain and discomfort, focusing on neck and shoulder movements. The study recommends placing objects closer to the body and at eye level to minimize user discomfort.
A study on wild chimpanzees found that offspring who lost their mother after weaning had less muscle mass, while mothers of high social status produced offspring with higher muscle mass. Even without direct provisioning, mothers' presence and influence food consumption in their offspring's lives.
A team of scientists studied grizzly bears' muscles during hibernation and found that they produce non-essential amino acids, which can stimulate cell growth. This discovery could lead to the development of new methods to prevent and treat muscle atrophy in humans.
A study from UT Southwestern Medical Center found that individualized physical therapy can effectively reduce urinary incontinence and pain in men after prostate surgery. The approach focuses on relaxing tight pelvic muscles rather than strengthening weak ones, leading to improved outcomes for 87% of patients.
Researchers found that physical forces, including friction and stress, play a crucial role in shaping the chevron patterns in fish muscle. The team identified specific mechanisms, such as cell elongation and orientated cell rearrangements, that contribute to the formation of these patterns.
A recent study has gained insight into the mechanisms of sarcopenia, a condition characterized by muscle wasting and strength loss in older adults. Researchers identified changes in muscle cells and molecules that may explain why some people develop sarcopenia while others do not.
Researchers recorded nearly all brain signals sent to wing muscles of hawk moths, showing precise timing within rapid sequences of neural spike is essential for controlling flight muscles. The study reveals the importance of precise spike timing in coordinating five muscles per wing.
Researchers at the University of Cambridge have discovered how aquatic larvae of net-winged midges create super-strong suction organs, enabling them to move around on rocks in turbulent water. This study aims to inspire the development of bio-inspired suction cups with improved industrial applications.
A multidisciplinary team of researchers at UMass Amherst is investigating the effects of fat tissue on skeletal muscle structure and function. The study aims to understand how fat infiltration affects muscle strength and identify potential health benefits.
MDC researchers used new imaging techniques to track titin's entire lifecycle, revealing its dynamic nature and unexpected pool of soluble titin outside the sarcomere. This breakthrough provides novel insight into muscle tissue formation and could lead to understanding of human diseases associated with mutated sarcomeric proteins.
After just two weeks of reduced physical activity, older adults experience significant losses in muscle mass and strength, as well as gains in body fat percentage. This can lead to a reduction in cardiorespiratory fitness and mitochondrial function, which are critical for maintaining healthy muscles and metabolic health.
Researchers found that energy-producing mitochondria in muscles were abnormal and showed signs of oxidative damage, contributing to chronic muscle weakness. The study suggests the need for antioxidant therapies or other treatments to restore mitochondrial health.
A research team at Toyohashi University of Technology has developed a donut-shaped kirigami device for EMG recordings, reducing device displacement on large deformable muscle surfaces. The device enables accurate and robust signal acquisition, offering potential for prosthesis control in amputees.
Researchers at the University of Texas at San Antonio have developed a revolutionary nanodisk technology that uses magnetic fields to modulate brain cell functionality. This innovation has the potential to restore quality of life for individuals affected by Lou Gehrig's disease and other motor neuron disorders.
Experts at the American Geriatrics Society conference emphasize the importance of addressing bone and muscle health to prevent falls, fractures, and muscle loss in older adults. The conference aims to bridge knowledge gaps by exploring age-related aspects of osteoporosis and soft-tissue disorders.
Ice baths are ineffective for long-term adaptation to training, decreasing protein generation in muscles. Researchers suggest alternative strategies for athletes seeking muscle repair or growth.
Research found that individuals with long-term muscle inactivity lose more explosive strength than maximum strength. Rehabilitation programs should focus on building explosive strength to help prevent joint injuries and balance issues.
A new study found that light-to-moderate exercise improves blood vessel density and muscle function in patients with sickle cell disease. After an 8-week regimen, participants showed significant improvements in their physical abilities and quality of life.
New research reveals MICU1 protein's role in maintaining muscle size and function, repairing damaged fibers, and regulating calcium balance. Loss of MICU1 disrupts calcium uptake, leading to muscle fatigue, weakness, and atrophy, highlighting its potential as a therapeutic target for neuromuscular diseases.
A study published in Thorax confirms that ICU patients experience delayed return-to-work and joblessness, with 20-27% requiring disability benefits at one year. Survivors incur substantial lost earnings, impacting quality of life.
A 10-year study found that middle-aged men with higher muscle mass had a lower risk of heart attack and stroke. The researchers suggest that preserving skeletal muscle mass through regular physical activity and a protein-rich diet may help reduce cardiovascular disease risk.
An observational study of nearly 16,000 older adults with chronic kidney disease (CKD) found that higher doses of the muscle relaxant baclofen were associated with a greater risk of hospitalization due to encephalopathy. The study suggests that patients with CKD may need closer monitoring when prescribed baclofen.
Researchers identify protein CaVbeta1E that promotes muscle mass maintenance via GDF5 signaling, counteracting sarcopenia. The study opens a new field of activity in developing therapeutic strategies against muscular decline associated with aging.
A new computational analysis suggests that fish can minimize energy consumption by balancing muscle dynamics and hydrodynamics. The study, published in PLOS Computational Biology, shows that optimal swimming speeds depend on an optimal balance between these two factors.
Researchers have identified a crucial protein that regulates calcium ions in muscles, revealing its importance in maintaining healthy muscle function. The protein, mitochondrial calcium uptake1 (MICU1), helps balance calcium levels in the mitochondria, and its loss leads to muscle weakness, fatigue, and damage.
A new AI tool uses deep learning to automate the segmentation of individual muscles from CT images, enabling the creation of personalized musculoskeletal models. This advancement has significant implications for patients with musculoskeletal diseases, such as ALS, and high-performance athletes seeking to improve their performance.
A new study by Cincinnati Children's Hospital Medical Center suggests that the drug bortezomib may help re-balance disrupted muscle growth and prevent muscle contractures in children with brachial plexus injury or cerebral palsy. The treatment shows promise in preventing loss of elbow and shoulder motion and disrupting skeletal growth.
Research from Trinity College Dublin shows that vitamin D deficiency is associated with poor skeletal muscle function in adults aged 60 years and over. Regular physical activity was found to be protective against impaired muscle strength and performance.
A clinical trial by University of Kentucky researchers found that metformin did not enhance muscle mass gains in older adults undergoing rigorous resistance exercise training. Progressive resistance training was shown to retain or build muscle mass in older adults.
A team of Tufts University-led researchers found that adding the iron-carrying protein myoglobin improves the growth, texture and color of bovine muscle grown from cells in culture. Myoglobin was also shown to promote cell proliferation and differentiation, leading to a rich meat-like color.
Researchers have discovered a tiny, fully functional extra finger in the aye-aye's hand, which is believed to aid in gripping and mobility. The pseudothumb is composed of both bone and cartilage and has three distinct muscles that enable movement and force.
A six-week study found that exercising before breakfast increased fat burn by 100% compared to after breakfast. This shift allowed for better insulin control, potentially lowering diabetes and heart disease risk.
Researchers discovered that natural loss of foot muscles in rodents shares similarities with skeletal muscle atrophy, a condition typically associated with injury or disease. The study found that cells in the foot muscles disassemble proteins responsible for contraction and increase gene expression degrading these proteins.
A McMaster University study found that statin drugs cause muscle pain by releasing glutamate, a potent activator of pain receptors. Administering antioxidants like Vitamin E can help reduce glutamate release.
A clinical trial found that testosterone significantly increases young women's running capacity, with a notable impact on anaerobic performance and lean body mass. The study suggests that allowing female athletes with high testosterone levels to compete without hormone reduction could be fair.
A study published in Medicine & Science in Sports & Exercise found no significant difference between non-BFR exercise and BFR exercise on the trunk extensor muscles, contradicting previous positive conclusions.
Researchers found that older adults experience physical weakness due to impairments in brain and nerve function, rather than muscle changes. The study suggests that addressing the nervous system's role could improve quality of life for older adults with age-related strength loss.
Researchers at U.S. Army Research Laboratory have made significant breakthroughs in developing artificial nanomotors inspired by biological molecules, which can harness Brownian motion for efficient energy production. These advancements aim to create faster, more versatile robots with improved autonomy and stealth capabilities.
Aric Rogers' research on cellular and molecular mechanisms governing aging aims to develop new therapies for sarcopenia and age-related diseases. The grant will support further research on the genetic pathways that regulate dietary restriction, which has shown to extend healthy lifespan in various organisms.
Researchers at the University of Arizona have shown that Aliskiren, a FDA-approved drug, can delay the progression of congestive heart failure and lengthen survival rates in properly identified patients. The study used non-invasive technology to evaluate changes in muscle mass and fluid retention over time.
Researchers at the German Sport University explored the effects of full-body exergaming in VR on cardiovascular system and strength endurance. Results showed that VR-based training had little to no cardiovascular benefit but created incentives for increased physical activity, motivating users to take up exercise.
A Penn Medicine study shows delivering a 'distant cousin' of a key protein prevents muscle damage and maintains muscle function in both small and large animal models. The synthetic substitute, utrophin, proved to be an effective and safe alternative to dystrophin, with significant implications for gene therapy.
A team of evolutionary biologists discovered that atavistic limb muscles, lost in adult humans, are formed during early human development and then disappear. These muscles are present in many limbed animals but are absent in adults. The study uses high-quality 3D images to analyze the development of human arm and leg muscles.
Researchers found that protein GAS1 suppresses muscle stem cells' ability to build new muscles and regenerate after injury. Reversing GAS1's effect by using GDNF restores muscle stem cell function and regeneration.
A recent study has identified FHL1 protein as a crucial cellular factor for the replication and pathogenesis of chikungunya virus. The researchers found that FHL1 interacts with viral protein nsP3 to facilitate viral infection, making it a promising target for antiviral development.
Researchers at the University of Alberta are developing a new treatment that could help almost half of patients with Duchenne muscular dystrophy by restoring dystrophin protein production. The experimental cocktail of DNA-like molecules has shown dramatic regrowth of dystrophin, which acts as a support beam to keep muscles strong.
Researchers have successfully corrected the genetic mutation responsible for Duchenne muscular dystrophy using CRISPR gene editing in muscle stem cells. The edited cells regenerated and produced dystrophin, suggesting a potential method for lifelong correction of the disorder.
A randomized clinical trial found that combining behavioral and physical therapy before and after midurethral sling surgery improved symptoms of mixed urinary incontinence. However, the small difference may not be clinically significant due to a lack of established thresholds for minimal clinically important differences.
Researchers identified differences in gut microbiome composition between physically high-functioning and low-functioning older adults. The study suggests that the gut microbiome plays a role in maintaining muscle strength in older adults, with mice colonized with fecal samples from high-functioning individuals showing increased grip st...