Telomeres, protective caps on chromosome ends, have been linked to numerous illnesses, including many types of cancer. Their shortening is associated with ageing and tissue regeneration issues, but cancer cells can repair them using telomerase.
A study published in PLOS ONE has identified a genetic mutation associated with premature aging and severe loss of body fat in children. The mutation was found in the CAV1 gene and is linked to a syndrome characterized by severe premature aging, lipodystrophy, and other serious medical problems.
A study found that non-chronic opioid users with low prescribed doses are at risk of overdose, contradicting current guidelines. Concurrent sedative use also contributes to overdose risk.
A Swiss Federal Laboratories for Materials Science and Technology (EMPA) study found that fuel cells for cars are only ecologically sound if they run on hydrogen from renewable energy sources. Electric cars powered by EU electricity also produce more environmental pollution than gasoline-powered cars.
Researchers from Penn Vet show how arginylation, a protein modification, regulates an enzyme called PRPS2, critical for human life and involved in cancer. The study suggests that arginylation could be a target for intervention to prevent uncontrolled cellular expansion in cancer.
Researchers found that a common air filter, photocatalytic oxidation (PCO), releases more dangerous chemicals than it removes, raising concerns about indoor air quality. The study's authors aim to develop new testing methods and energy-efficient technologies to improve building ventilation.
A £6.4 million study launched today will evaluate whether teaching mindfulness to teenagers can improve their mental health outcomes. The three-part trial, involving nearly 6,000 students, aims to assess the impact of mindfulness training on teenage mental resilience and well-being.
A new species of scarab beetle, Termitotrox venus, was discovered in Cambodia and named after the Roman goddess of beauty and love. The beetle's unique characteristics include its large size compared to its relative and its ability to coexist with termites.
A unique brain network in humans controls and redirects attention, allowing us to select and prioritize information based on our needs. This network, which includes the dorsal and ventral attention networks, may have evolved to better process complex social cues and distinguish between relevant and irrelevant stimuli.
Researchers at Johns Hopkins Medicine discovered that the mammalian brain likely reconstructs memories in a way more like jumping across stepping stones than walking across a bridge. The study used electrode implants to track nerve cells firing in rats' brains as they planned their next move, revealing gaps between discrete memories.
A computational model suggests that generosity and selfishness can be both fast and effortless, depending on the person and context. The model indicates that people are happier when mistaken generosity doesn't happen, highlighting the importance of focusing on others' thoughts and experiences.
Researchers at the University of Pennsylvania discovered that a ring of protein actin forms between daughter cells to block cytokinesis, controlling when and how this process coordinates all cell players in sperm maturation. The study sheds light on the coordination of stem cell types in niche environments.
Individuals with autism spectrum disorders often exhibit poor nutrition due to selective eating patterns and sensory sensitivity. Early warning signs include lower folate, vitamin B-6, and vitamin B-12 concentrations, as well as abnormally accelerated growth rates in infants and children.
A nationwide sample of 1st through 12th graders showed less than 60% meeting healthy fitness standards for aerobic capacity and body mass index. The middle school years are critical when aerobic capacity declines and body mass index increases, emphasizing the need for early intervention to prevent declining physical activity.
University of Washington chemists have developed a novel drug to fight malaria, DSM265, which targets the critical protein DHODH. The compound has shown promise in laboratory tests and is suitable for clinical trials in humans.
The trial showed that early FDG-PET-positive patients benefit from intensification of chemotherapy, leading to improved progression-free survival rates. However, omitting involved-node radiotherapy in early PET-negative patients did not demonstrate non-inferiority to the standard treatment in terms of progression-free survival.
SLU pain researcher Daniela Salvemini has been awarded the NIH's Cutting-Edge Basic Research Award to develop new painkillers that can quell terrible pain while minimizing debilitating side effects. The two-year grant will support her search for innovative ways to mitigate opioid side effects and preserve their pain-relieving ability.
Researchers have discovered a key mechanism behind brain growth abnormalities in individuals with autism spectrum disorder, revealing how PTEN gene mutations alter the trajectory of early brain development. Excess glia cells and changes in β-Catenin signaling contribute to the observed brain overgrowth.
Researchers found that Oriental honey buzzards prefer pollen-containing dough over pollen-lacking dough, even when the color is identical. The birds also preferred yellow-colored dough over black or green dough when both contained pollen, suggesting a role for vision in foraging.
Researchers Dr Leandro Gaetano and Professor Fernando Abdala found significant differences in the shape of the stapes bone among Triassic cynodonts, even within the same species. The study sheds light on the evolution of the middle ear structure in basal cynodonts.
A recent study published in Nature Communications reveals that a specific brain mutation can impair a biochemical process in the brain, leading to impaired synaptic function and contributing to neurological diseases. The researchers found that a mutation called A548T in synapsin 1a reduces its ability to regulate chemical transmission.
Insect-based food production could alleviate childhood malnutrition and provide a sustainable alternative to traditional livestock sources. The use of insects as food requires strict regulations and sanitary conditions due to disease and pesticide risks, according to the FDA.
Researchers at Simon Fraser University have found that changes in body temperature can cause arrhythmia, leading to sudden cardiac death. The study, published in the Journal of Physiology, identifies a protein sensitive to temperature fluctuations that can disrupt heart function.
A portable 'paper machine' uses DNA analysis and detection to diagnose infectious diseases, genetic conditions, and cancer in resource-limited areas. The device costs less than $2 total and can detect as few as five cells of E. coli using ultraviolet light and a smartphone camera.
A new study found that UK investment in pneumonia research was less than £43.08 per death, despite rising substantially since 2010. Total funding for pneumonia between 2011-2013 exceeded total investment across the previous 14 years for tuberculosis and influenza.
A new study outlines 10 low-cost interventions that can increase safety on psychiatric wards, reducing aggression and self-harm by 15% and coercive control by 24%. The Safewards Model uses small, low-cost interventions aimed at improving staff skills and relationships with patients, resulting in a more peaceful environment.
Hurricane Dolores was a Category 4 storm with maximum sustained winds near 130 mph, affecting southwestern Mexico and Baja California peninsula. The storm is expected to continue moving westward, with some strengthening possible during the night of July 14.
A researcher at Georgia State University has received a grant to study an eye disease that causes vision loss and blindness in HIV-immunosuppressed patients. The goal is to understand the mechanisms of HCMV retinitis and find ways to prevent or treat the debilitating disease.
A study from Duke University found that children with even mild psychiatric issues are more likely to face challenges in adulthood, including criminal charges, addictions, and education failures. The research suggests that early interventions can prevent these problems, but many children do not receive the necessary treatment.
Two new studies quantify potential effects of pollinator declines and decreased zinc levels in food, estimating that up to 173 million people will suffer from vitamin A deficiency and 180 million more from zinc deficiency by 2050.
Dilbit spills can harm fish populations with deformities and genetic stress, reducing survival rates by impairing feeding and predator avoidance. The study provides a technical basis for decisions on dilbit transportation in Canada.
A Brazilian-led team has discovered a planet with a mass similar to Jupiter's, orbiting a Sun-like star at almost the same distance. The planet's host, HIP 11915, is also similar in mass and age to our Sun, with a composition that hints at possible rocky planets.
A study published in Menopause found that postmenopausal women with comorbid depression or urinary incontinence experience greater negative impacts from vaginal symptoms, affecting daily living, emotional well-being, self-concept, and body image. Regular sexual activity may protect against these effects.
Children with childhood psychiatric problems face higher risks of adverse outcomes in adulthood, including health, legal, and social issues. Even subthreshold symptoms can increase the risk of adult problems, highlighting the need for early intervention to reduce distress and promote optimal outcomes.
A study by University of Iowa researchers has identified areas of the brain controlled by breathing, providing an important insight into SUDEP. Breathing loss was recorded when the amygdala was stimulated in human subjects, even if they were aware and awake.
University of Alberta researchers have created a natural supplement from chicken egg yolks that prevents the absorption of gliadin, a component of gluten causing damage to the small intestine in people with celiac disease. The supplement aims to improve the quality of life for those affected by gluten intolerance.
A new study reveals that adverse childhood experiences can heighten a woman's risk of preterm birth, with the risk doubling if two or more events occur. Researchers hope to develop early interventions and predict which women are at risk of preterm birth.
A new study published in the Journal of Experimental Social Psychology finds that white Americans who acknowledge their biases are more effective at addressing contemporary racial challenges. The research suggests that personal awareness and acceptance are key factors in developing 'concerned awareness' of racial bias.
The Oxford Vaccine Group is conducting a Phase II study of an Ebola vaccine regimen, recruiting over 600 healthy adult volunteers in the UK and France. The study aims to assess the safety and immunogenicity of the vaccine, as well as determine the best timing for each dose.
Northwestern University's Michael S. Horn has received a $400,000 Faculty Early Career Development Award to design interactive computer experiences for young people in museums, homes, and out-of-school programs. His goal is to increase diversity in postsecondary computer science programs.
A team of Belgian researchers has discovered a yeast species that significantly improves chocolate fermentation, resulting in better and more consistent chocolate. The new method allows for the creation of specialty chocolates with unique flavors.
The American Thoracic Society has released updated guidelines for the treatment of idiopathic pulmonary fibrosis (IPF), emphasizing a patient-centered approach. The new guidelines recommend against certain treatments, including anticoagulation and imatinib, while encouraging the use of nintedanib and pirfenidone.
Researchers at UT Southwestern Medical Center have shown that a new drug, DSM265, kills malaria parasites in the blood and liver by targeting their ability to replicate. This could lead to a single-dose cure for malaria, with potential applications as both a treatment and preventive measure.
Researchers at SISSA developed a new spinal cord stimulation strategy to activate motor neurons, producing efficient motor patterns. The 'multi-site' approach and low-frequency stimulation combined to improve stimulation effectiveness.
A new IIASA study examines the effect of reducing short-lived air pollutant and greenhouse gas emissions on carbon budgets compatible with the 2°C climate target. The researchers found that stringent reductions in methane emissions could increase the size of the carbon budget by up to 20%.
Research teams have developed new materials to improve water splitting and oxygen reduction reactions, crucial steps in hydrogen fuel cells. These advancements could lead to more efficient and cost-effective production of hydrogen-powered cars.
Researchers have discovered a subset of plasma cells in the bone marrow that serve as an immune archive, preserving a catalog of how the body responded to measles and mumps viruses in childhood. These long-lived cells can provide valuable insights for vaccine designers aiming to create long-lasting antibodies.
A study published by the American Academy of Neurology found that Alzheimer's disease causes different changes in the brain, or pathologies, in African-Americans compared to white Americans of European descent. African-Americans were more likely to have mixed pathologies and blood vessel disease in their brains.
Researchers found a strong association between exposure to tiny particulate pollutants from wildfire smoke and the risk of heart-related incidents, including cardiac arrests, emergency department visits, and hospitalizations. The study suggests that fine particulate matter may act as a trigger factor for acute cardiovascular events.
Patients who received telerehabilitation had similar outcomes to those receiving in-person physical therapy following total knee replacement surgery. Telerehabilitation was found to be effective for patients with travel limitations or rural/underserved areas, offering the same quality services in their home environment.
A recent study by Kelly Klump at Michigan State University reveals that ovarian hormones influence eating disorders in women by turning genetic risk on and off. Changes in hormone levels drive increases in binge eating and emotional eating across the menstrual cycle.
Research suggests warmer water temperatures in Lake Erie can lead to lower-quality eggs and larvae that struggle to survive. Yellow perch failure to adapt their spawning schedule contributes to the decline of this commercially important species, with numbers standing at only half of their peak in the 1960s.
Researchers identify a specific variation in brain waves of individuals with amnestic mild cognitive impairment (aMCI), which may indicate an early dysfunction related to Alzheimer's disease. The test uses electroencephalogram (EEG) technology, offering a more affordable and non-invasive alternative to other methods.
Scientists have developed a new method to generate healthy stem cells from patient cells with mitochondrial mutations, which can then be converted into various cell types. This breakthrough has the potential to treat debilitating mitochondrial diseases that affect the brain and muscles, offering new hope for patients worldwide.
A yearlong study found that patiromer can reduce elevated blood-potassium levels and prevent life-threatening adverse events in patients with chronic diabetic kidney disease. The drug consistently maintained normal serum potassium levels over 52 weeks, with minimal discontinuation due to adverse events.
The ChemCam instrument on NASA's Curiosity rover has found evidence of ancient, light-colored rocks on Mars that are rich in feldspar and quartz, similar to those found in the Earth's granitic continental crust. These discoveries suggest that Mars may have had a primitive continental crust around 4 billion years ago.
Researchers at the University of Missouri have identified a link between Type 2 diabetes and damaged lymphatic vessels, which can lead to impaired immune function. The study found that an amino acid commonly found in red meat and poultry may help improve lymphatic function in individuals with Type 2 diabetes.
Researchers created the material by combining titanium and gold, resulting in an unusual magnetic property. The discovery of TiAu has significant implications for understanding magnetism and its applications, particularly in studying phase transitions at absolute zero.
Researchers at Rice University found that consistent superior e-service quality is key to winning the e-commerce battle between Amazon and Wal-Mart. The study identified four core dimensions of e-service quality, including website design, fulfilment, customer service, and security/privacy, which strongly impact overall e-service quality.
High-fat feeding, especially saturated fats, can cause impairments in critical motivation brain pathways, according to a new study published in Neuropsychopharmacology. The research found that rats fed with palm oil had blunted dopamine function, leading the brain to compensate by heightening reward-seeking behavior.