Articles tagged with Muscle Diseases
Researchers document five cases of parvovirus B19-induced myocarditis in preschoolers from northern Greece, highlighting the virus's unique impact on endothelial cells. The study emphasizes the importance of quick diagnosis and treatment to reduce mortality and morbidity in children.
Researchers have successfully developed a gene-editing approach using CRISPR-Cas9 to correct the genetic error causing dysferlin protein deficiency, a leading cause of muscular dystrophy. In new mouse models, they restored muscle function and regrowth after transplanting corrected cells.
A team of researchers has identified an 18-digit code within a protein called Wnt7a that allows it to attach itself to exosomes, enabling targeted delivery of proteins throughout the body. This discovery has major implications for the development of new therapies for diseases such as Duchenne muscular dystrophy.
A systematic review and meta-analysis found CAD is common in cirrhotic patients, but cirrhosis itself may not be associated with increased CAD risk. Non-alcoholic steatohepatitis and hepatitis C virus infection are also linked to CAD presence.
Researchers identified the critical role of TIMM50 protein in mitochondrial energy production and its link to a severe and rare neurological disease. The study's findings suggest potential targets for future drug treatments and advance research on protein import into mitochondria in brain cells.
A groundbreaking study has established the world's largest and most geographically comprehensive international norms for handgrip strength, covering 2.4 million adults from 69 countries. The new norms enable global peer-comparison, health screening, and surveillance across the adult lifespan, helping clinicians identify people at risk ...
Researchers have identified a key protein that plays a crucial role in energy production in muscle cells, which can be activated by physical exercise. This discovery may lead to the development of treatments for over 200 disorders related to muscle energy production.
A new study found that gene therapy delandistrogene moxeparvovec significantly extended the median survival of Duchenne muscular dystrophy (DMD) rats to >25 months. Additionally, the treatment elicited statistically significant improvements in cardiac parameters and mobility.
A scoping review found associations between myositis disease activity and gluten exposure in patients with inflammatory myopathies and celiac disease. The study suggests that gluten may act as an exogenous antigen driving myositis in genetically predisposed patients.
This special issue of Calcified Tissue International presents a collection of critical reviews and original research articles on osteogenesis imperfecta (OI), covering essential aspects of the condition, including its nosology, genetics, and clinical presentation. The contributions also discuss treatment strategies for both children an...
A new project at the University of Kansas aims to examine medical ableism and its effects on health outcomes among people with disabilities. The study will gather information directly from individuals with disabilities through the National Survey on Health and Disability.
Min Li will receive the 2024 Palade Prize for his contributions to pancreatology, recognizing his pioneering work on pancreatic cancer and metabolic reprogramming. He has been continuously funded by the National Cancer Institute for 15 years and has published over 200 high-impact articles.
Positive initial results from Genethon's gene therapy GNT0004 show stabilization of motor functions and improved dystrophin expression in patients with Duchenne Muscular Dystrophy. The therapy is expected to be launched in pivotal trial phases in Europe and the US in Q2/2025.
A new study reveals that patients with Parkinson's disease who exhibit rest tremor have more dopamine preserved in the caudate nucleus, a part of the brain important for movement planning and cognition. This challenges traditional understanding of how dopamine loss relates to PD symptoms.
A new RNA-based technology called StitchR facilitates effective use of gene therapy for difficult-to-treat, large-gene diseases like muscular dystrophies. It delivers two halves of a gene separately, resulting in seamless reconstitution of large mRNA in affected tissues.
A team of researchers has identified 30 patients with previously undiagnosed conditions, linking them to rare mutations in the FLVCR1 gene. The study reveals a range of severe developmental disorders, including anemia and bone malformations, which share similarities with mice lacking the Flvcr1 gene and Diamond-Blackfan anemia.
A new study provides deeper understanding of Myotonic Dystrophy Type 1 (DM1) by revealing an unexpected link between the cardiac condition and SCN5A protein. The research found that reducing fetal SCN5A expression did not correct heart defects, suggesting alternative approaches may be needed to address the condition.
Researchers used ex vivo lentiviral gene therapy to treat MPS IVA in mice, achieving partial correction of bone pathology and complete correction of heart pathology. The study suggests potential for novel therapies to treat patients with MPS IVA.
Researchers developed a mouse model mimicking the liver symptoms of myotonic dystrophy type 1, revealing fatty liver disease and hypersensitivity to medications. The study found that a gene regulating fat synthesis is misspliced in affected livers, providing potential treatment pathways.
Researchers found lamotrigine to reduce stiffness in non-dystrophic myotonias by around the same amount as mexiletine, offering a new treatment option. The trial results have direct implications for patient care and provide more 'real-world' options for patients with this life-changing muscle disorder.
Researchers found that weekend warrior and regular physical activity patterns were associated with substantially lower risks of over 200 diseases. Weekend warrior activity was found to be just as effective at decreasing risk as more evenly distributed exercise activity.
A new study proposes a theoretically new mechanism to modulate spinal reflexes at the same spinal cord level as stretch reflexes during voluntary movements. The research, led by Biomedical engineering doctoral student Grace Niyo, suggests that a simple spinal circuit can correct self-perturbations from stretch reflexes to produce smoot...
Researchers at Texas A&M University have developed a method to recharge cellular mitochondria using nanotechnology, potentially extending healthy lifespans and improving outcomes for patients with age-related diseases. The molybdenum disulfide nanoparticles stimulate mitochondrial regeneration, helping cells generate more energy.
Chung-Ang University researchers have identified a potential anti-aging drug called IU1 that enhances proteasomal activity and autophagy, leading to improved muscle strength and extended lifespan in fruit flies. The study suggests that preventing disruption of protein homeostasis mechanisms could be key to increasing longevity and impr...
Researchers comprehensively reviewed cerebellar involvement in Parkinson's disease, highlighting the pathophysiological role of the cerebellum in motor and non-motor symptoms. Studies showed abnormal α-synuclein aggregation, neurodegeneration, and altered functional connectivity between the cerebellum and other brain regions.
A University of Houston team developed non-invasive, comfortable, and safe wearable sensors to monitor eyeball movements, providing early warning signs of brain-related disorders. The new sensors have potential applications in diagnosing conditions like ADHD, autism, Alzheimer's disease, Parkinson's disease, and traumatic brain injuries.
Genethon has developed an innovative gene therapy vector that effectively targets muscle tissue while reducing the risk of liver penetration. The new capsid design uses AI predictive methodology to improve efficacy and safety, paving the way for more effective treatments for neuromuscular diseases.
A new study found that 2-bromopalmitate treatment reverses cell senescence in human vascular smooth muscle cells, reducing DNA damage markers and promoting cell proliferation. The research suggests a critical role for protein palmitoylation in regulating the senescent phenotype.
Researchers at CNIC have identified endothelial-to-mesenchymal transition as a novel mechanism in premature atherosclerosis in progeria. The study proposes a new therapeutic target for this disease and highlights the importance of investigating rare diseases like progeria.
The International Space Station National Laboratory is collaborating with NASA to fund up to $4 million in research addressing significant diseases like cancer, cardiovascular disease, and neurodegenerative disease. The joint solicitation aims to leverage microgravity to improve existing or develop new technologies for health problems ...
Researchers developed a new brain-computer interface that translates brain signals into speech with up to 97% accuracy, enabling a man with amyotrophic lateral sclerosis (ALS) to communicate with friends and family. The system was tested in real-time conversations with continuous updates, achieving high word accuracy rates.
A new screening tool, DuMAND Checklist, has shown promise for assessing neurobehavioral difficulties in children with Duchenne muscular dystrophy and improving quality of life. The checklist covers a range of issues including behavior, psychiatric disorders, and cognitive deficits.
Researchers have identified a metal deficiency in SOD1 protein associated with motor neurone disease using native ambient mass spectrometry imaging. This breakthrough could lead to new insights and treatments for the disease, which affects around 5,000 people in the UK.
Researchers at WVU created a motion-compatible brain scanner that allows patients to move around during imaging. The Ambulatory Motion-enabling PET (AMPET) scanner can help study human behaviors, balance, and emotions, and may be used to monitor brain activity for PTSD treatment and mindfulness meditation.
University of California San Diego researchers used cryo-electron microscopy to capture the first 3-D images of a key muscle receptor, shedding light on why newborn humans develop slowly while cows mature quickly. The study's findings may help develop future treatments for muscular disorders.
Researchers at the University of Houston College of Pharmacy discovered key mechanisms of skeletal muscle regeneration and growth following resistance exercise. Increasing levels of Inositol-requiring enzyme 1 (IRE1) or X-box binding protein 1 (XBP1) in muscle stem cells may improve muscle repair and reduce disease severity.
A study published in Circulation found that adults aged 50-54 with severely narrowed leg arteries had a higher risk of amputation after emergency surgery than those aged 80-84. This contradicts the traditional belief that older people are at increased risk.
Researchers created a new cell model to study the effects of senescence on lung fibroblasts. Senescent alveolar epithelial cells triggered fibrotic activation in lung fibroblasts, which was attenuated by senolytic therapy.
Researchers at UW Medicine have developed a new gene therapy that delivers protein packets to replace defective genes in muscles, halting disease progression and reversing pathology. The therapy uses adeno-associated viral vectors and aims to restore normal muscle health, with human trials expected to begin in two years.
The study found that exercise increased PEDF levels in skeletal muscles and suppressed senescence markers in the lungs. PEDF also reduced senescence markers in multiple tissues and attenuated decline in respiratory function in pulmonary emphysema mouse model, suggesting its potential as a therapeutic agent for age-related diseases.
The University of Toronto has introduced comprehensive guidelines for healthcare professionals to address muscle-building supplement use among adolescents and young adults. These guidelines focus on assessment and harm reduction strategies to better support young individuals engaged in the use of these supplements. Healthcare professio...
A new global definition of sarcopenia is proposed, aiming to unify research and clinical practice. The definition may help identify low muscle mass or strength in older people, increasing the risk of poor outcomes such as fragility and disability.
Researchers at Duke University have developed a technique to grow complex, functional 3D muscle tissue from stem cells in the laboratory, replicating patient symptoms and treatment responses. The study reveals biological mechanisms underlying LGMD2B's characteristic loss of mobility and demonstrates that existing treatments may allevia...
Researchers at MD Anderson Cancer Center have identified a small molecule compound that restores physiological levels of telomerase reverse transcriptase (TERT), reducing cellular senescence and tissue inflammation. TERT restoration also spurred new neuron formation with improved memory and enhanced neuromuscular function.
Researchers have developed three new cellular models of myotonic dystrophy type 1 that accurately represent the clinical diversity of the disease. The models show great heterogeneity in genetic expansion and molecular alterations, making them suitable for studying pathophysiology and testing therapeutic options.
A preliminary clinical trial found that nicotinamide riboside, a form of vitamin B3, increased the walking endurance of patients with peripheral artery disease by over 57 feet. The study suggests that nicotinamide riboside may be a new option for treating chronic leg disease.
Researchers at Johns Hopkins Medicine identified a potentially new biological target involving Aplp1, which drives the spread of Parkinson's disease-causing alpha-synuclein. The findings suggest targeting this interaction with drugs could slow Parkinson's disease progression and other neurodegenerative diseases.
Researchers tested a therapy combining photobiomodulation and idebenone to minimize Duchenne muscular dystrophy progression. The strategy prevented muscle degeneration and improved regenerative capacity, with synergistic effects observed when administered together.
The IOF position paper emphasizes the need for population-specific vitamin D approaches, considering factors like diet, skin pigmentation, and supplement use. The authors also highlight the importance of standardized measures of 25(OH)D in future studies.
A recent study found that the SMCHD1 protein plays a crucial role in regulating alternative splicing, which affects the progression of FSHD. Mutations in SMCHD1 lead to splicing errors, disrupting genes like DNMT3B and causing harmful overexpression of DUX4.
Researchers discovered that PMP22 duplication disrupts lipid metabolism and plasma membrane organization in developing Schwann cells, leading to myelin degradation and nerve damage. Targeting dysregulated lipid pathways may reverse some detrimental effects of CMT1A.
A new study reveals how accumulation of IMAT drives diseases such as muscle loss, type 2 diabetes, and cardiovascular disease. Regular exercise and healthy diet can prevent and reverse IMAT accumulation.
The study reveals that FLVCR1 and FLVCR2 transport choline and ethanolamine across cellular membranes, supporting cell growth and stability. This discovery contributes to understanding rare diseases and developing new therapies for patients suffering from severe neurological and muscular disorders.
Researchers have developed a novel platform for modeling human muscle diseases in C. elegans worms using patient-derived extracellular vesicles, revealing muscle atrophy similar to human symptoms. The innovation enables versatile and scalable disease modeling with potential applications beyond genetic disorders.
A Swedish study of people living with obesity found that poor muscle health is associated with a higher risk of an early death. Adverse muscle composition was up to three times more likely to lead to death during the course of the study than those with healthy muscles.
Researchers analyzed epigenetic modifications in motor neurons from nearly 400 ALS patients, identifying 30 locations with modifications linked to disease progression. The findings may help develop targeted treatments for specific types of ALS.
Researchers used a novel deep proteomics approach to investigate the effects of aging and resistance training on skeletal muscle. The study found that aging predominantly affects non-contractile proteins, while resistance training has minimal effects on protein abundance.
Researchers at NeuRA and UniSA found that early detection and comprehensive treatment can lead to significant recovery for most people with Complex Regional Pain Syndrome (CRPS) within 12-18 months. The study reviews the latest advances in CRPS epidemiology, pathophysiology, diagnosis, and treatment.
A groundbreaking study reveals an unsuspected role of the SNUPN gene in muscle cell function, identifying it as the causative factor for a debilitating muscular dystrophy. Researchers found that alterations in the Snurportin-1 protein encoded by the SNUPN gene disrupts muscle cell integrity and function.
Researchers discovered that eliminating progerin from vascular smooth muscle cells prevents atherosclerosis and improves life expectancy in HGPSrev mice. This finding suggests a potential therapeutic strategy for treating progeria, an extremely rare genetic disease affecting 1 in every 20 million people.