Researchers at Newcastle University have found that increased levels of ceramides and alpha-synuclein protein in extracellular vesicles could help diagnose Lewy body dementia and test treatment effectiveness. The findings may lead to a more accurate diagnosis for the over 100,000 people affected by the disease.
Researchers developed a human Intestine Chip to study coronavirus infection and test potential treatments. The chip showed that nafamostat reduced virus presence while remdesivir damaged intestinal tissue, offering insights into underlying causes of GI symptoms and improving understanding of treatment efficacy and toxicity.
Tangier Island in Chesapeake Bay has lost 62% of its habitable upland area since 1967, with further decline predicted within 15-30 years. Fully protecting and restoring the town would cost $250m-$350m.
An international research team has measured neutron form factors with previously unattained precision, filling a blank space on the map. The new data provides a more comprehensive picture of the neutron's size and lifetime, and reveals oscillating patterns in its form factor.
Scientists at CiQUS develop a self-assembled fibrillar network that mimics the structure of a possible cytoskeleton inside water droplets or protocells. The resulting system can induce complex responses such as nutrient uptake, membrane fusion, and molecular exchange.
People with blood cancers are at higher risk of severe COVID-19 illness; research suggests they don't always achieve optimal protection from vaccination. A new study found that patients with lymphoma were more likely to develop post-vaccination COVID-19 infection compared to those with other blood cancers.
A USF Health study reveals that fibrinogen can directly interact with neurons, leading to inflammation and neurodegeneration in Alzheimer's disease and traumatic brain injury. The researchers found that blocking the binding of fibrinogen to its receptors may alleviate short-term memory problems associated with these diseases.
The American Pediatric Society (APS) has named Dr. Megan A. Moreno the recipient of the 2022 Norman J. Siegel Outstanding Science Award, recognizing her significant contributions to pediatric science and adolescent health. The award acknowledges her pioneering work on social media research and its impact on adolescent wellbeing.
A meta-analysis of case-control and cohort studies found no causal link between H. pylori infection and Alzheimer's disease dementia, but may be associated with all-cause dementia. The study suggests future research on the pathogenic mechanism may lead to novel therapies.
A new study found that healthcare providers hold less favorable judgments about patients who inject drugs, leading to potential lack of access to preventive HIV medication. The study highlights the importance of raising awareness and standardizing access to PrEP for all people, regardless of their risk factors.
Scientists have investigated the sporulation potential of Phytophthora ramorum on common California plant species. Most species produced spores, with bay laurel and tanoak producing significantly more than others. This study helps predict disease trajectories and informs forest treatment plans.
A recent study found that Black, Hispanic, and Asian men are less likely to receive an MRI exam after a prostate-specific antigen (PSA) blood test. The study suggests racial and ethnic disparities in the use of prostate MRIs following elevated PSA results.
A new study found that heat and antibiotics alone and in combination degrade soil microbe efficiency, resilience, and ability to trap carbon. This could diminish soils' resilience to future stress and exacerbate climate change effects.
Researchers at the DIII-D National Fusion Facility have successfully integrated hot cores and cool edges in fusion reactors using powder injection and Super H-mode. This approach achieves significant edge cooling with modest effects on core performance, making it compatible with larger devices like ITER. The results suggest a promising...
A new study published in The American Journal of Human Genetics found that 76.3% of participants who received actionable genomic results were unaware they carried increased risk variants, even though half met clinical criteria for genetic testing. Comprehensive sequencing revealed previously missed variants, emphasizing the need for mo...
A recent Ludwig Cancer Research study has identified a crucial cellular interaction that enhances the immune system's ability to destroy cancer cells. The interaction involves antigen-presenting cells (APCs) and T lymphocytes (TILs), which work together to boost and sustain T cell functionality. This discovery opens new avenues for tre...
Researchers used CRISPR gene-editing tools to show that a gene controlling bone growth in fish fins plays the same role in forming fingers and toes in four-legged creatures. The study suggests that the last common ancestor between ray- and lobe-finned fish already had the genetic toolkit to shape their appendages.
Researchers found that firefighters experience significant increases in both systolic and diastolic blood pressure when responding to emergency calls, with most having uncontrolled hypertension. The study aims to raise awareness about the risks of cardiovascular disease among firefighters.
Research has shown steady progress toward achieving large energy gain in fusion reactions, a crucial milestone for commercial fusion energy. Recent advancements in laser-driven devices and lower-cost private concepts have significantly increased performance thresholds, surpassing early tokamak designs.
A new Stanford-led study suggests that decreasing oil demand leads to larger-than-expected carbon reductions, as the impact varies depending on market factors. The research takes into account the global oil market's structure, including perfect competition, oligopoly, and cartel scenarios, to estimate climate benefits.
Researchers have made significant breakthroughs in understanding Parkinson's disease, revealing that affected neurons don't die but lose properties. This knowledge opens the door to new therapeutic treatments targeting the cell body, rather than just axons.
Physicists have precisely determined the neutron form factor in a previously unknown energy range, revealing an oscillating pattern and surprising behavior. The findings suggest that nucleons do not have a simple structure, prompting theoretical models to be developed.
More deprived areas of England are less likely to have publicly available defibrillators, according to new analysis. This disparity disproportionately affects communities at greatest risk of cardiac arrest, highlighting an unacceptable health inequality.
Researchers have developed the world's thinnest X-ray detector, made from tin mono-sulfide nanosheets, which could enable real-time imaging of cellular processes. The detectors possess high photon absorption coefficients and rapid response times, making them suitable for studying soft X-rays.
A new study examines factors contributing to breastfeeding disparities, citing a lack of acceptance in Black culture and experiences of racism in healthcare. The study encourages healthcare providers to address these disparities through trauma-informed care and acknowledging microaggressions.
Researchers at St. Petersburg State University develop a new method for synthesizing nanoparticles from metal-organic frameworks, enabling detection of heavy metal ions in water with significantly lower limits of detection. The synthesized particles can also be used as luminescent sensors to detect Cu2+, Cr3+, and Fe3+ ions.
A new study found that air pollution is a major health risk for people living in low-income neighborhoods with high concentrations of PM2.5, leading to increased rates of chronic diseases and mortality. The study highlights the need for targeted policy solutions to address environmental health disparities.
Researchers at West Virginia University have received FDA approval for a new drug to treat uveal melanoma, a rare form of eye cancer. The drug, MTI-201, targets specific biomarkers in diseased cells, allowing for more precise treatment with minimal damage to healthy cells.
Researchers found that older individuals produce higher levels of protective antibodies after infection or vaccination, providing better defense against emerging variants. Antibodies from infected individuals 50+ years old reacted strongly to the Delta variant, outperforming those from vaccinated adults under 50.
Researchers have made a significant advance in shrinking the size of particle accelerators by using intense lasers and plasmas. They demonstrated functional equivalent of a confining metal tube waveguide, generating plasma waveguiding of up to 300-terawatt laser pulses, and accelerating electrons up to 5 GeV over a distance of only 20 cm.
A new study provides a comprehensive set of 16 criteria to assess the success of climate adaptation projects, which can be tailored to individual project goals and context. The criteria cover four categories, including use of information, project management, outputs, and advancing the field of adaptation.
A decade-long study of young Black adults in the US reveals a rising burden of traditional cardiometabolic conditions, including congestive heart failure and depression. The study found a nearly 20% increase in major adverse cardiac events among young Black adults from 2007 to 2017
Researchers have achieved a record yield of over 1.3 megajoules from fusion reactions at the National Ignition Facility, surpassing previous experiments by an 8-fold and 25-fold margin. This milestone puts scientists at the threshold of fusion ignition, a crucial goal for the facility.
A study analyzing 93 precision oncology studies revealed significant underrepresentation of racial and ethnic minority populations in cancer research. These disparities affect the representation of diverse patient groups in clinical trials, which can impact treatment efficacy and outcomes.
Paxlovid demonstrates significant efficacy against SARS-CoV-2 virus, reducing hospitalization and death risks in adult patients by up to 89%. The treatment's development involved cutting-edge X-ray technology from the Advanced Photon Source.
Thermal quenches in fusion devices occur when high-energy electrons escape from the core and fly toward the wall, causing a rapid drop in electron temperature. The researchers propose an analytic model of plasma transport that provides new physical insights into the complex topology of 3-D magnetic field lines.
The November issue of CHEST journal includes 69 articles on topics such as asthma, COPD, critical care and thoracic oncology. The journal also offers complementary web and multimedia activities to expand the reach of its research.
A team at Brookhaven National Laboratory has identified a common industrial catalyst that can efficiently convert methane to methanol with or without water. The findings suggest strategies for improving the water-free conversion, achieving 30% selectivity in the absence of water, and 80% selectivity with water.
A randomized trial comparing plug-based and suture-based vascular closure techniques after TAVR found that the plug-based technique had a shorter time to hemostasis but higher access-site complications. The study, CHOICE-CLOSURE, reported similar mortality rates between both groups.
Research suggests COVID-19 pandemic has adverse effects on women's menstrual cycles due to stress and sleep disturbance. Women are experiencing increased rates of depression, anxiety, and poor sleep.
Research presented at American Heart Association's Scientific Sessions 2021 found that Latino adults who followed a healthy dietary plan had healthier hearts in terms of structure and function. The study, which evaluated over 1,800 participants, suggests that adherence to healthy eating patterns can lower risk of heart disease.
A recent study by McGill University researchers found that hunter-gatherer societies were limited by the seasonal availability of food, with groups in short-growing seasons requiring a high percentage of meat in their diets. This finding is supported by ethnographic observations and simulations using a mathematical model.
A new Digital Solutions Hub will provide a gateway to interconnected toolkits and resources, integrating existing data sources on pollution, flooding, biodiversity, geology, carbon capture, and environmental health. The hub aims to improve decision-making by providing cross-sectional data for informed decisions in various sectors.
A study published in Translational Psychiatry found that patients with high expectations of SSRI treatment showed a four times higher improvement rate compared to those with low expectations. The effect was attributed to the influence of dopamine on the brain's reward pathways.
A study published in Oncotarget found that hypertension and irregular medication use were independent risk factors for postoperative delirium after maxillofacial tumors radical surgery. The incidence of postoperative delirium was 41% in the hypertension group, compared to 12% in the non-hypertension group.
A UCLA study found that young adults experiencing discrimination are at a higher risk for short- and long-term behavioral and mental health problems. The study suggests that the effects of discrimination are connected to disparities in care and institutional discrimination, leading to inequities in diagnoses, treatment, and outcomes.
The study found that a new electrocatalyst exhibits excellent acidic oxygen evolution reaction (OER) activity. The results revealed the structure of the active layer and its evolution amid electrolyzing, providing new approaches for engineering superb acidic OER nanocatalysts.
A French study of nearly 27,000 individuals found that persistent physical symptoms like fatigue and breathlessness after COVID-19 may be more closely tied to beliefs about having been infected than actual lab confirmation. The research suggests a possible psychological component to lingering symptoms.
A new study published in the American Heart Association's Scientific Sessions 2021 found that consuming higher amounts of vegetable fat or polyunsaturated fat may lower stroke risk, while eating more red meat, processed red meat, and non-dairy animal fat may increase it. The research analyzed data from over 117,000 participants and sug...
A new study reveals that genetic predisposition for depression combined with exposure to high-particulate-matter air pollution greatly elevates the risk of depression. The study found that the combination of genes and air pollution has a multiplier effect on the risk of depression, suggesting potentially widespread brain effects.
Researchers are modifying an arm of a worldwide clinical trial to evaluate a combination of drugs targeting two brain proteins: amyloid and tau. The Tau NexGen Trial aims to test the effectiveness of these treatments in slowing disease progression by targeting both Alzheimer's disease pathologies.
The University of Kentucky is launching a new cultural heritage lab with a $14 million NSF grant, focusing on developing innovative AI solutions for heritage objects. The EduceLab facility will integrate engineering, humanities, and sciences to enhance understanding of the past, inform the present, and guide the future.
Researchers developed new materials with enhanced adsorption capabilities, promising advancements in hydrogen storage, oil spill cleanup, and sensor development. The polymerization mechanism and kinetics were analyzed, revealing a significant impact of solvation on reactivity.
A new study tracked the spread of a genetic mutation that causes young-onset heart arrhythmia across continents over centuries. The research found that the mutation was passed down from Northern Europe to other parts of the world through migration, and identified a specific gene, KCNQ1, as the cause of the disease.
Researchers found that earlier epinephrine treatment during cardiac arrest is associated with improved recovery outcomes. Patients who received epinephrine within four minutes of the first shock had a greater likelihood of recovering and regaining daily functions.
The SWISS-APERO Trial compared Amulet with Watchman FLX devices for percutaneous left atrial appendage closure. Both devices achieved similar LAA occlusion rates at 45 days, but with different mechanisms. However, Amulet was associated with higher procedural complications and lower peridevice leak rates than Watchman FLX.
Researchers at the University of Colorado School of Medicine have been awarded a four-year grant to study systemic biomarkers of inflammation that signal the progression of age-related macular degeneration. The team aims to develop risk profiles for patients with intermediate AMD to predict rapid vision deterioration.
A barbershop-based program helped reduce reported violent behavior among young Black men in Philadelphia for up to three months. The program, which included free haircuts and stipends, taught coping skills involving emotional regulation and behavioral restraint.
Agricultural soils emit high amounts of nitrous oxide, a potent greenhouse gas, that can outweigh the benefits of carbon sequestration in soil. Researchers found that managing nitrogen fertilizer use and adopting biochar application can help mitigate these emissions.
Researchers at USTC developed fine cubic Cu2O nanocrystals that exhibit high selectivity for propylene epoxidation with O2 to produce propylene oxide. The mechanism underlying this enhanced catalytic performance was also demonstrated.