Articles tagged with Muscle Diseases
A research team has identified the genes and proteins that damage muscle cells in facioscapulohumeral muscular dystrophy (FSHD), a common form of inherited muscular dystrophy. The discovery could lead to a biomarker-based test for diagnosis, as well as future treatments.
Researchers may have unraveled the mystery of Elizabeth Barrett Browning's lifelong chronic illness, which shares symptoms with hypokalemic periodic paralysis. Her daughter's experience with the muscle disorder has provided a unique lens to view her letters and diary entries.
A health supplement commonly used by bodybuilders, L-tyrosine, has shown rapid and dramatic improvement in muscle wasting disease Nemaline Myopathy (NM) in laboratory tests on mice. Trials suggest it could also be effective for a range of other muscle-wasting diseases, offering new hope for treating children affected by the condition.
The National Institutes of Health's Therapeutics for Rare and Neglected Diseases (TRND) program has announced its next round of drug development projects. Six new projects will focus on treatments for rare and neglected diseases, including musculoskeletal disorders, cognitive dysfunction disorders, and parasitic worm infections. The TR...
Researchers found that lamin filaments are essential for proper gene positioning and organization, a crucial factor in maintaining nuclear shape and function. Mutations in lamin genes cause 14 different diseases, including Emery-Dreifuss muscular dystrophy, by disrupting muscle-specific gene reorganization.
Researchers at the University of Pennsylvania School of Medicine have identified a genetic basis for muscle endurance in animal study. The study found that mice lacking a specific gene exhibit increased endurance and fatigue resistance, similar to elite athletes.
Researchers discovered that autoimmune disease myocarditis occurs when immune system targets heart muscle cells expressing alpha myosin, a protein required for contraction. Preventing the disease involves exposing T cells to alpha myosin in thymus, suggesting measurement of alpha-myosin as diagnostic tool and potential therapeutic target
A recent study published in Archives of Neurology reveals a high prevalence of vitamin D insufficiency among patients with early Parkinson's disease. Contrary to expectations, the researchers found that vitamin D concentrations remained stable over time, suggesting a potential role for long-term insufficiency in the pathogenesis of PD.
A study analyzing data from over 1.1 million participants found that cigarette smoking is associated with an increased risk of developing amyotrophic lateral sclerosis (ALS). Smokers had a 42% higher risk of developing ALS compared to non-smokers, while former smokers had a 44% increased risk.
Researchers at Vanderbilt University engineered a mouse that can run longer on a treadmill by increasing its acetylcholine supply, which could lead to new treatments for myasthenia gravis and other disorders. The study also found potential links between cholinergic signaling deficits and conditions like muscular dystrophy and ADHD.
Mutations in RYR1 lead to calcium release channel dysfunction, causing dominant-negative effect that reduces muscle force generation. The study provides a comprehensive analysis of the consequences of this mutation in muscle fibers.
UT Southwestern researchers have identified a gene responsible for JMP syndrome, an extremely rare disorder characterized by severe joint stiffness, muscle loss, and panniculitis-induced lipodystrophy. The proteasome subunit beta-type 8 (PSMB8) gene mutation affects immune cell function, leading to inflammation and fat loss.
Researchers are developing a new test to identify the neurological origins of swallowing disorders, which affect millions of people worldwide. The test may lead to breakthrough treatments for neurodegenerative diseases like Lou Gehrig's disease and ALS.
Recent evidence suggests that bones and muscles are interconnected, releasing signals to affect each other's function or disease state. The discovery could lead to novel therapies for age-related muscle and bone disorders, which cost the US $14 billion annually.
Researchers have gained new understanding of Arl13b's function in Joubert syndrome, a rare disorder characterized by developmental delay and low muscle tone. The study reveals that Arl13b regulates ciliary transmembrane protein localization and transport to the tip of the cilium.
Research discovers changes in muscle cell structure affecting gene expression and actin protein mutations causing muscle damage. The study sheds light on the biochemical pathways leading to nemaline myopathy, a rare inherited muscle-wasting disease.
Researchers have identified a gene, Kir2.6, underlying the rare genetic disease thyrotoxic hypokalemic periodic paralysis (TPP), which causes temporary muscle paralysis. The finding, published in the journal Cell, illustrates how investigations of rare genetic diseases can drive insights into more common ones.
Researchers at miRagen Therapeutics discovered microRNA-206 plays a crucial role in ALS progression and neuromuscular synaptic regeneration. This finding could lead to novel therapeutic interventions for neuromuscular disorders, offering hope for patients suffering from ALS and other diseases.
Researchers have discovered a new treatment that significantly improves disease symptoms in a genetic disorder, highlighting skeletal muscle as a viable target tissue. The therapy targets the muscle and reduces accumulation of toxic protein, improving motor performance and survival in mice with spinal and bulbar muscular atrophy.
The Muscular Dystrophy Association (MDA) has announced $5 million in new grants to support cutting-edge research projects tackling muscle diseases such as muscular dystrophy, ALS, and spinal muscular atrophy. Researchers at top institutions will explore groundbreaking treatments and therapies for these devastating conditions.
Researchers have discovered a new drug, Debio 025, which is as effective as current treatment options but without the risk of infection and immunosuppression. The study found that Debio 025 protects mice from muscle-wasting diseases similar to human muscular dystrophy.
Researchers at Western Australian Institute for Medical Research (WAIMR) have cured mice with a congenital myopathy disorder that causes babies to be born without normal muscle function. They achieved this by replacing missing skeletal muscle actin with heart actin, allowing the mice to live normally into old age.
A study by University of Florida researchers suggests that the nervous system may be the primary cause of severe breathing problems in children with Pompe disease, a rare genetic disorder. The discovery shifts responsibility from muscle weakness to signaling between the spinal cord and the diaphragm.
A recent study identified a rare genetic heart disorder, Danon disease, characterized by rapid clinical deterioration and early death in young patients. The study revealed that the natural course of this disease is often fatal, with significant cardiac complications and poor outcomes despite advanced treatment strategies.
Researchers found no increased risk of Guillain-Barré syndrome after HPV vaccination, but cases still warrant careful monitoring. The study analyzed data from the Vaccine Adverse Event Reporting System and reported 36 cases within six weeks of vaccination.
Research suggests FHL1 enhances transcription factor NFATc1 activity to promote muscle hypertrophy. Overexpressing FHL1 in mice and myoblasts resulted in increased strength and endurance.
A new study by Dr. Navah Ratzon found that amateur athletes are at risk of musculoskeletal problems due to the intensity and repetitive movements involved in their sport. To prevent such damage, experts advise incorporating stretching, balancing exercises, and proper rest into daily routines.
Researchers from Stanford's Bio-X program have devised a needle-thin probe to observe sarcomeres, the basic contracting engines of muscle, in live humans. This microendoscopy technique provides an alternative to painful muscle biopsy and could prove useful in understanding muscular diseases.
Scientists have identified a genetic mutation responsible for impaired fetal movement, which can lead to multiple miscarriages and birth defects. The mutation affects the acetylcholine receptor pathway, disrupting normal muscle function and fetal development.
Researchers found that faulty RNA plays a key role in the onset and progression of neurodegenerative diseases. They discovered that altering the RNA structure can mitigate toxicity, suggesting a common component between different types of human triplet repeat expansion diseases.
Researchers have discovered a key role for RNF5 in the development of Sporadic Inclusion Body Myositis (sIBM), a muscle disease affecting older men. The study provides new insights into the mechanism underlying sIBM and offers potential diagnostic markers and therapeutic targets.
A family-based study found a significant association between pesticide use, particularly herbicides and insecticides, and an increased risk of developing Parkinson's disease. The research team recruited 319 patients and over 200 relatives to analyze the relationship between pesticide exposure and Parkinson's disease development.
Researchers at UC Irvine found a single mitochondrial DNA mutation causes degenerative heart and muscle disease in mice, highlighting the importance of mitochondrial DNA in human health. The study's findings could lead to new treatments for age-related diseases affecting millions worldwide.
By inefficiently powering mouse muscles, researchers found increased metabolic rates reduced vascular disease, obesity, and cancer, with no impact on the aging process itself. This approach may provide a novel strategy to address age-related diseases without slowing down aging.
Researchers at the University of Rochester Medical Center have identified a synthetic RNA-based molecule that eliminates myotonia, a symptom of muscular dystrophy, in mice. The study restored normal muscle function by re-establishing a critical cellular mechanism that controls electrical activity in muscles.
The American Urological Association has released new guidelines on managing non-muscle invasive bladder cancer, focusing on treatment outcomes and complications. The guidelines highlight the importance of accurate clinical staging and the need for further research to improve patient outcomes.
Researchers at Baylor College of Medicine found that increased levels of CUGBP1 contribute to myotonic dystrophy type 1 by altering splicing patterns in heart and skeletal muscle. The study also reveals the involvement of another RNA-binding protein, MBNL1, in regulating gene expression.
Researchers at the University of Pittsburgh School of Medicine are conducting a worldwide study on treating myositis, a rare autoimmune disorder. The study will evaluate the effectiveness of rituximab in improving symptoms of dermatomyositis and polymyositis, with 202 participants from North America and Europe involved.
A study published in Neurology found that moderate strengthening exercises can slow the progression of ALS by 12%, maintaining function and quality of life. The research suggests individualized rehabilitation programs can help people with ALS maintain independence for longer.
Inflammatory myopathies and coeliac disease may be linked, with a gluten-free diet potentially improving inclusion-body myositis symptoms. Researchers explore immunopathogenic mechanisms and genetic substrates to confirm findings.
Researchers have found a way to protect muscle from degenerating after injury and improve muscle healing in mice by blocking the central signal molecule NF-kB. The study suggests two molecules with potential as promising drug targets for new therapies against muscle wasting.
Researchers found that imatinib can block the development of disease in a mouse model of rheumatoid arthritis, providing hope for a new treatment. Additionally, studying adrenomedullin's effect on female mice revealed that reduced expression may severely decrease fertility. Meanwhile, a study on TNF-alpha discovered that it decreases e...
U of MN researchers developed a mouse model for centronuclear myopathy, a poorly understood muscle disease. They found that knocking out the gamma actin gene impaired muscle cell function, leading to muscle cell death, and identified this protein as a key player in muscle structure.
Researchers used gene therapy to eliminate disabling muscle contractions in a mouse model of the most common form of adult-onset muscular dystrophy. The approach corrected myotonia, or muscle hyperexcitability, and eliminated muscle contractions as early as four weeks after injection.
Two new research centers will explore new treatment strategies and biochemical pathways contributing to muscular dystrophy. Clinical trials and laboratory studies will focus on increasing muscle growth, inhibiting enzyme breakdown, and identifying genetic modifiers.
A newly discovered muscle gene, Srpk3, has been linked to centronuclear myopathy, a rare genetic disorder affecting skeletal muscles. Researchers found that mice lacking the gene exhibit symptoms similar to those seen in humans with centronuclear myopathy, suggesting potential human mutations exist.
A researcher created a model to simulate the dynamics of heart rhythm disorders, including ventricular tachycardia and fibrillation. The model revealed that only six spiral waves are present in the heart during fibrillation, contradicting previous assumptions about its chaotic nature.
A study analyzing claims data from 11 managed care health plans found that the risk of rhabdomyolysis is relatively low with three frequently prescribed statins. The study suggests that patients taking statins and fibrates combined, such as those with diabetes mellitus, should be monitored for symptoms suggestive of rhabdomyolysis.
Scientists uncover vital role of Periaxin gene in causing CMT, a disabling disease affecting 23,000 people in the UK. The new research provides insight into how nerves work and may lead to development of gene therapies to correct faulty genes.
University of Alberta researchers provide independent verification that CFS patients are distinct from those with depression. The study used electrodermal activity to demonstrate differences in skin temperatures and electrodermal activity between CFS and depression patients.
Researchers have discovered that a gene therapy using growth factor VEGF can slow down the onset and progression of ALS in mice, increasing life expectancy by 30%. This treatment has shown promising results without toxic side effects, offering new hope for patients with this incurable disease.
Researchers at UT Southwestern Medical Center discovered a master regulator of smooth muscle development, protein myocardin, which controls growth and differentiation. This finding offers new insights into the cellular mechanisms controlling smooth muscle cell proliferation, potentially leading to novel therapeutics for cardiovascular ...
Researchers at UT Southwestern have discovered an effective treatment for McArdle's disease, a rare muscle disorder characterized by fatigue and cramping during exercise. The treatment involves administering an oral source of glucose to improve exercise tolerance in patients with the condition.
A study at TSRI identifies 62 new proteins in the inner nuclear membrane linked to 14 rare diseases, including muscular dystrophy and Charcot-Marie-Tooth disease. This discovery has significant implications for understanding the underlying causes of these devastating conditions and developing new therapeutic strategies.
Researchers discovered a gene mutation associated with a form of Charcot-Marie-Tooth disease, affecting approximately 1 in 2,000 people. The LITAF gene mutation was found in families with a history of the disease, suggesting its potential as a molecular marker for diagnosis.
Researchers at Vanderbilt University Medical Center have developed a novel gene therapy approach that repairs messenger RNA, which could lead to effective treatments for inherited diseases. The method uses ribozymes to correct defective genes and has shown promising results in animal models.
Researchers found that abnormally short DNA sequences on chromosome 4 interfere with the function of a protein complex, leading to over-activity of nearby genes. This discovery provides insights into novel ways genes can influence disease and may lead to new treatments for FSHD.
A novel cardiac glycogen storage disease has been identified through research published in the Journal of Clinical Investigation. The study sheds new light on the genetic causes and consequences of this rare condition, offering potential avenues for improved diagnosis and therapy.
Researchers at USC have discovered an increase in BACE enzymes in patients with inclusion-body myositis (IBM), a crippling muscle disease. The findings suggest that cholesterol may play a role in the production of toxic amyloid-ß protein, which could lead to new treatment options for both IBM and Alzheimer's disease.
Researchers from Israel and abroad identified the genetic mutation causing Hereditary Inclusion Body Myopathy (HIBM), a degenerative muscle disease affecting Jews of Persian descent. The mutations affect an enzyme crucial for protein synthesis, leading to muscle degeneration.