Articles tagged with Muscles
Scientists have found a molecular mechanism behind aging that can be reversed using a compound that restores communication between mitochondria and the nucleus. This breakthrough may lead to new treatments for age-related diseases such as cancer, type 2 diabetes, and inflammatory disorders.
The study found that the Sunday Driver gene regulates myonuclear positioning and muscle function. Mutations in this gene lead to unevenly spaced nuclei and defective muscle contraction, indicating that mispositioned nuclei may be a possible cause, not consequence, of human congenital myopathies.
Researchers discovered that ATP-sensitive potassium channels in skeletal muscle play a crucial role in regulating energy consumption even during mundane activities. By modulating KATP channel activity, new strategies may be developed to combat metabolic disorders such as muscle wasting and obesity.
A cross-sectional study by Tokyo University found exercising in middle age is a protective factor against sarcopenia and effective in maintaining muscle strength and physical performance. The prevalence of sarcopenia was higher with increasing age, but exercise habits in middle age were significantly associated with lower risk.
A new disease related to NKH has been discovered through genetic research led by University of Colorado professor Johan Van Hove. The variant, also known as non-ketotic hyperglycinaemia, shares similar symptoms with NKH and was found in eight patients from around the world.
Researchers at Monash University have isolated muscle precursor cells from pluripotent stem cells using a purification technique, allowing them to differentiate into muscle cells. This breakthrough could lead to the development of new treatments for degenerative diseases such as Muscular Dystrophy and Parkinson's disease.
A year of resistance and impact training can help older breast cancer survivors preserve bone density, even with less exercise. Muscle strength declines more quickly than bone density and may require continued participation in a supervised exercise program.
A new study reveals that a high-protein diet can help preserve muscle mass during weight loss by slowing the ubiquitin proteasome system, which is primarily responsible for degrading skeletal muscle. Researchers found that adequate protein intake can minimize muscle loss during weight loss efforts.
Researchers found that higher doses of testosterone improved sexual function, muscle mass, and physical performance in postmenopausal women who had undergone hysterectomy. However, side effects such as unwanted hair growth and acne were rare in the study.
Researchers found that playing computer games enhances facial muscle reactions and brainwave synchronization between players, particularly in competitive situations. This effect can aid in anticipating opponents' actions and compensate for a faltering social bond while competing.
Researchers found that two salamander species have distinct ways of regrowing muscles, with one relying on dedifferentiation and the other on stem cells. This discovery may lead to a better understanding of human muscle regeneration and potentially treat muscular dystrophy.
A University of Iowa study found that men's noses are about 10 percent larger than female noses, on average, in populations of European descent. The size difference is attributed to the sexes' different builds and energy demands.
Research presented at SupplySide West highlights the superiority of whey protein in building and maintaining lean muscle, maintaining weight and aging healthy. Whey protein is a complete protein containing all essential amino acids, with benefits including reducing hunger, improving exercise recovery and reducing muscle loss with aging.
A study at Brown University found a connection between protein quality control in muscle tissue and lifespan in fruit flies. Suppressing the activity of activin, a protein complex involved in muscle performance, increased life span by up to 20%. The researchers also discovered a potential link between this protein interplay and human a...
Researchers found that rapamycin treatment increases survival and prevents disease progression in a mouse model of Leigh syndrome. The drug delays neurological symptoms, reduces brain inflammation, and extends lifespans by more than triple.
Researchers at McMaster University have identified a protein called Xin that serves as a biomarker for muscle damage. Xin is only detectable after muscle injury and shows a strong correlation with the degree of damage, regardless of the cause.
Scientists have discovered an antibody to the protein LRP4, which plays a critical role in enabling the brain to communicate with muscles. This finding explains why some patients with myasthenia gravis may not have any obvious signs of the disease despite having low levels of antibodies.
Researchers have discovered that zebrafish chemicals can differentiate human stem cells into muscle cells in the laboratory, making muscle cell therapy a more realistic clinical possibility. The discovery has the potential to revolutionize treatments for muscular dystrophy and diabetes.
Researchers at Boston Children's Hospital successfully grew human muscle cells in a dish using a combination of compounds identified through a rapid culture system. They also boosted muscle mass and reversed disease in a mouse model of Duchenne muscular dystrophy, paving the way for potential clinical trials.
Researchers from Arizona State University and Stanford Universities have discovered that the key gene Numb plays a role in promoting muscle growth and suppressing Myostatin, which limits muscle growth. The findings provide a new avenue for developing treatments for muscle diseases such as muscular dystrophy and ALS.
A new study suggests that brief exposure to anabolic steroids can lead to long-lasting performance-enhancing effects in muscle tissue. After a period of inactivity, the muscles of steroid users recover faster and gain more mass than those of non-users, potentially altering the exclusion time for doping offenders.
Researchers found that taking eight essential amino acids twice daily before and after knee-replacement surgeries can reduce muscle atrophy by 6.2% and speed recovery. This approach shows promise for a growing population of aging adults who face total knee replacements due to loss of mobility and pain problems.
Researchers used the Anklebot robot to characterize the normal mechanics of the joint in healthy volunteers, finding that the ankle is strongest when moving up and down and weakest when turning inward. The findings may help clinicians better understand physical limitations caused by strokes and other motor disorders.
Researchers found that tumors release factors into the bloodstream that inhibit muscle fiber repair, leading to muscle loss in cancer patients. The study identifies new strategies and drug targets for treating cancer cachexia, a condition that causes life-threatening weight loss and lean muscle mass loss.
Scientists at Brigham and Women's Hospital uncover a joint effort between the liver and muscle to maintain balanced fat production and burning. A phospholipid molecule acts as a signal molecule controlling this process. The study highlights the importance of coordinated changes in organs like the liver and muscle in metabolic responses.
Researchers found that producing music decreases perceived physical strain and increases muscle effectiveness during exercise. This breakthrough insight sheds light on the therapeutic power of music and its role in human society.
Researchers from Brown University traveled to Calaveras County to study the Guinness Book of World Records' top frog jumper, Rosie the Ribeter. They found that bullfrogs at the Jubilee surpassed the old research-grade mark of 1.3 meters a striking 58 percent of the time, with jumps reaching up to 2.2 meters.
Researchers have been studying the impact of an isoform on human resistance to fatigue, which occurs when muscles can't continue contracting. The study found that this isoform provides a 'turbocharger effect,' speeding up muscle function during exercise.
Researchers at the University of Toronto discovered that a dysfunctional relationship between the noradrenaline and hypocretin systems is responsible for cataplexy in narcolepsy. By activating noradrenaline receptors, they reduced cataplexy incidence by 90% and found that restoring noradrenaline levels prevented paralysis during episodes.
Muscle wasting occurs rapidly in critically ill patients, with significant skeletal muscle weakness and physical disability persisting for at least 5 years. Early interventions to enhance anabolism may be required to limit or prevent muscle loss.
Falls account for more than 60% of hospital stays for traumatic brain injury in seniors over age 65. Researchers found that hand impact occurred in 74% of falls, highlighting the need for exercises to strengthen upper limbs and design safer environments.
A team of paleontologists discovered a new evolutionary mechanism for body elongation in early ray-finned fishes, characterized by the doubling of vertebral arches. The exceptionally preserved form, Saurichthys curionii, had a unique two-vertebral arch per myomeric segment, resulting in an overall elongate appearance and flexibility.
Researchers found that seniors over 90 improved their walking speed, balance, and reduced falls with strength training. The 12-week program boosted muscle power and mass in the lower limbs.
Researchers at Harvard University investigated the process of villification, which shapes gut villi, and found similarities in its principles across different animal species. They discovered that mechanical forces from muscle layer differentiation drive early villus growth.
Researchers create sensory illusion where subjects believe an artificial finger is their own, finding that brain uses muscle signals alone to build body representation. The discovery provides insight into clinical conditions like stroke, schizophrenia, and phantom limb syndrome.
A Saint Louis University researcher found that a specific eye muscle in pond turtles adapts to compensate for obstructed vision when their head is retracted into their shell. The study revealed unique characteristics of the turtle's eye movements, which differ from other animals with lateral eyes.
Research finds that fine motor control skills continue to develop until adolescence, contradicting previous beliefs. The study uses a new tool to measure fine motor control and demonstrates its applicability in children as old as 16 years.
Scientists tap into bug biology to design new materials, such as artificial ligaments and chemical-free pest control methods. The study of caddisfly silk reveals its unique properties, including water resistance and collagen-like behavior. Additionally, researchers use X-ray technology to better understand human muscle mechanics and po...
Researchers at Children's National Medical Center have found that the new oral drug VBP15 decreases inflammation and protects muscles, potentially preventing or delaying the onset of symptoms in Duchenne muscular dystrophy patients. Initial clinical trials are planned pending FDA review and approval.
A novel technique using ultrasound waves could reveal how abnormal forces lead to osteoarthritis development, enabling targeted intervention programs.
Research reveals how genetic mutations in α-actinin-3 affect fast-twitch muscles, leading to increased endurance capacity and enhanced response to training. The study provides insight into the skeletal muscle adaptations advantageous to elite endurance athletes.
Researchers have identified a metabolite as a biomarker of diabetes risk, revealing that individuals with increased levels are more likely to develop type 2 diabetes. Additionally, the study found that a specific genetic mutation affects muscle performance in elite endurance athletes by altering calcineurin signaling.
A preclinical study found that VBP15 decreases inflammation in mice with symptoms similar to those found in patients with Duchenne muscular dystrophy. The drug protects and strengthens muscle without the side effects linked to current treatments.
A team of researchers from the University of Michigan discovered that the loss of motor ability associated with aging begins in neurons and spreads to muscles. By stimulating neurons, they were able to reverse the decline in motor ability in roundworms and potentially develop a new treatment for human muscle decline.
A new study published in The FASEB Journal found that consuming twice the recommended daily allowance of protein helps prevent muscle loss and promotes fat loss. Tripling protein had no additional benefits.
Researchers found that injecting sodium percarbonate into oxygen-deprived muscles can produce enough oxygen to preserve function and homeostasis. The treatment has the potential to extend the 'golden hour' when treatment has the highest chance of preventing death after traumatic injury.
Researchers are developing a sophisticated light sensor to monitor oxygen levels in leg muscles and signal when patients have pushed far enough before pain hits. The goal is to improve exercise tolerance and reduce symptoms for millions of Americans with peripheral artery disease.
Researchers found that muscle cells in knockout mice grew larger, but lost strength due to oxidative stress. The study suggests that limiting oxidative stress could help prevent age-related muscle loss and improve overall health.
A new study found that watermelon juice enriched in L-citrulline relieves post-exercise muscle soreness. The natural juice also showed potential benefits, although L-citrulline was more bioavailable.
San Diego State University researcher Sandy Bernstein receives $3.5m NIH grant to model human muscle diseases in fruit flies. His team uses genetically altered flies with engineered myosin protein mutations to better understand the effects on human health.
Researchers at the University of Michigan used an electroencephalogram to study how the brain responds to a fall. They found that many areas of the brain sense and respond to a fall, but this happens well before the muscles react. The study aims to improve understanding of falls in the elderly and potentially prevent them.
UCSB researchers found that tree chopping increases testosterone levels more than soccer, improving muscle energy and performance. The study suggests that Tsimane men maintain high testosterone levels due to their physically demanding lifestyle, contrary to industrialized populations.
Researchers found that piano players' hand muscle contractions differ depending on the sequence of notes played, indicating coarticulation. This phenomenon is similar to coarticulation in speech and American Sign Language, suggesting a complex neural connection between finger movements and keystrokes.
A clinical trial of eteplirsen, an exon-skipping drug, shows promising results in improving walking performance for DMD patients by increasing dystrophin production and muscle growth. The study demonstrated a 52% increase in dystrophin-positive muscle fibers and significant improvements on the six-minute walk test.
Researchers discover that a burnt sugar derivative, THI, improves muscle regeneration in mice with Duchenne muscular dystrophy. The substance protects the body's supply of sphingosine 1-phosphate, essential for turning stem cells into specific types of cells and regenerating damaged tissue.
A team of researchers led by Dr. Miaozong Wu will investigate the effects of space travel on muscles and bones, identifying possible causes and developing potential treatments. The three-year project aims to address the significant health risks faced by astronauts and people experiencing muscle and bone loss due to various conditions.
Researchers have discovered a unique structure that takes unusual material properties to new heights, expanding more than 10% under compression. Zinc dicyanoaurate's giant negative linear compressibility makes it promising for optical pressure sensor applications and artificial muscle design.
Researchers from the University of Leicester show that insect limbs can move without muscles, using a close interplay of neuronal control and passive joint forces. This finding may provide engineers with new ways to improve robotic and prosthetic limb control.
Monitoring nutrient intake is crucial for vegetarian athletes to stay competitive. They must find ways to reach the acceptable macronutrient distribution by consuming a variety of plant-based foods daily.
Biologists discovered that female túngara frogs can be tricked into perceiving an unattractive call as attractive when a robotic frog adds a delayed visual cue. This study demonstrates how evolution may create complex traits by combining simpler ones, similar to how adding white noise improves human perception of sounds.