The study describes the three-dimensional structure of the MUTYH protein and its interaction with PCNA, a key player in DNA replication. The researchers found that mutations in the MUTYH gene reduce its binding affinity to DNA and destabilize its structure, leading to decreased DNA repair activity.
A study published in The EMBO Journal identified several host proteins that interact with the Ebola virus protein VP30, inhibiting viral transcription and replication. These findings suggest a novel target for preventing Ebola virus infection, providing potential new therapeutic strategies.
Researchers developed a simple and fast method to analyze sulfur isotopes, enabling the detection of seawater intrusion into freshwater systems. This method can help investigate chemical changes in environments affected by sea level rise.
A synthetic hinge concept developed by Indiana University School of Medicine Professor Michael A. Weiss and his team could lead to a breakthrough in 'smart' insulin therapy. The invention exploits a natural mechanism that allows the insulin to adjust its activity based on blood glucose levels, which could transform diabetes care.
Scientists propose integrated strategy combining climate action with policies for development, food access, equity, and environmental sustainability. The Sustainable Development Pathway aims to reconcile decent living with ecological boundaries.
Researchers found a sudden increase in ocean oxygen levels at the start of the Permian period's largest extinction event, marking a geologically rapid shift. This rapid fluctuation had a more significant impact than gradual decreases, highlighting its importance for modern-day life adapted to high oxygen levels.
Researchers used EEG to measure brain activity while musicians listened to or imagined Bach piano melodies. Brain activity during imagined music had the opposite polarity of actual listening, indicating prediction-driven responses. The study found that the brain continues to respond to music even when none is playing.
Researchers have developed a high-performing thermoelectric material that converts heat to electricity with record-high efficiency, making it suitable for widespread industrial applications. The purified tin selenide in polycrystalline form overcomes earlier oxidation problems, enabling the production of low-cost and efficient devices.
A new study found that men are over-cited and women are under-cited in Communication journals, with papers authored by men showing a 14% overcitation rate compared to papers authored by women, who are under-cited by 20%. The researchers propose tools to help academics evaluate their citation practices and promote gender equality.
A new model developed by NYU Tandon School of Engineering researchers provides a data-centric approach to reopening towns and can serve as a blueprint for areas with low vaccine rates. The model shows that increasing access to social gatherings and public transportation at a certain rate supports a safe, rapid reopening.
Scientists at Rockefeller University have discovered that essential gene targets in TB bacteria can be ranked by their degree of vulnerability to antibiotics. The study found that ideal targets are highly susceptible to inhibition, while invulnerable genes can withstand nearly total inhibition. This research provides new insights into ...
Researchers found that reappraisal strategies consistently reduced negative emotions and increased positive emotions among participants from 87 countries. The study's findings demonstrate the viability of creating scalable, low-cost interventions to build resilience during the pandemic and beyond.
A new droplet digital PCR-based assay for HPV16 circulating tumor DNA was developed to predict treatment response in metastatic head and neck squamous cell carcinoma. Longitudinal changes of HPV16 ctDNA correlate with treatment response, allowing for early identification of treatment failure.
A study by University of Jyväskylä researchers found that increased job demands in healthcare lead to employee exhaustion and lower customer satisfaction. The study also discovered that work community's shared experience of increased job planning demands contributes to greater exhaustion and lower customer satisfaction.
A Dartmouth research team led by Glyn Elwyn is testing interactive educational approaches to boost vaccine confidence among unvaccinated long-term care workers. The study aims to measure vaccine confidence, knowledge, and trust in the COVID-19 vaccines.
A new study by researchers at Massachusetts General Hospital found that preoperative urinalysis screening for asymptomatic patients undergoing surgery has little or no benefit. However, the test may lead to unnecessary antibiotic prescriptions and exposure to potential harms, including Clostridium difficile infection.
Researchers investigate how alluvial rivers shape the sedimentary record, revealing a range of channel patterns and paleocurrent directions. Additionally, studies examine the efficient release of bromine during super-eruptions and shed light on the complex geology of northern Iberia's crustal roots.
The study found that democratic countries increased government health spending by $275 per person between 1990 and 2019, while autocratic countries saw only a $115 increase. Democracies are also more likely to maintain universal health coverage even during economic recessions.
Researchers identified two proteins, HMW1 and HMW2, that stimulate protective immunity against diverse NTHi strains. Immunization with these proteins provides protection against bacterial colonization by other strains, highlighting the vaccine potential for a nontypeable Haemophilus influenzae vaccine.
In a phase 2 clinical trial, sacituzumab govitecan (SG) demonstrated sustained tumor shrinkage in 27% of patients with advanced urothelial carcinoma. The treatment also showed improved overall survival and reduced progression compared to standard chemotherapy.
Researchers at Oak Ridge National Laboratory are advancing various technologies to minimize oil leaks, enable 3D printing in space, and increase fuel efficiency from ethanol. They have developed a quantum sensing system to detect pipeline leaks more quickly, built a thermal protection shield for a capsule launched into space, and creat...
Researchers at University of Bonn found that fixing objects slightly away from the center of cone density improves overall vision. The observed image shift is due to the varying resolution across the human retina, with sharper areas in the fovea and less sharp areas in the periphery.
A new study published in DNA Repair shows that hydroxychloroquine exhibits DNA-damaging and mutagenic effects at a clinically achievable dose. The findings suggest the possibility of additional side effects, particularly in patient populations, and emphasize the need for careful risk assessment and informed consent.
Researchers at University of California San Diego School of Medicine modified remdesivir to create an oral version that can be taken earlier in COVID-19 diagnoses. The revised drug proved effective and safe in cell and animal studies.
Scientists at the University of Copenhagen have discovered that exercise can alter the structure of our DNA, specifically the enhancers that regulate gene expression. This epigenetic rewiring may be responsible for the beneficial effects of physical activity on human health.
A new study published in the Social Bulletin of Psychology found that right-wing authoritarianism is more closely tied to how people acquire positive attitudes than changing them. The researchers suggest that individuals with RWA tend to be more sensitive to negative information, leading them to stick to positive information and avoid ...
A study examined the association between COVID-19 and prescription medication changes among nursing home residents in Ontario, Canada. The researchers found significant changes in medication prescribing patterns before and after the pandemic onset.
Researchers have found a way to harness the power of immunotherapy for advanced prostate cancer by targeting a protein called PIKfyve. Blocking PIKfyve with the inhibitor ESK981 has been shown to increase tumor death and recruit immune T cells, offering new hope for patients with this challenging form of cancer.
A new study published in Cell Reports Medicine reveals the origins of a 2012 Bundibugyo virus disease outbreak in the Democratic Republic of Congo. The analysis, conducted by an international team, used high-throughput sequencing to identify multiple virus 'spillover' events that contributed to the outbreak. This research highlights th...
Researchers analyzed patient specimens and clinical trial data from thousands of patients to assess the importance of immune cell molecules called Fc gamma receptors (FCGRs) in the therapeutic efficacy of two antibody drugs. High levels of FCGR2B on tumor cells were found to prevent rituximab efficacy, while obinutuzumab was not impact...
A new study from George Washington University found that Iowa school districts with strong teachers unions were more likely to adopt COVID-19 mask mandates. The researchers also discovered that Democratic-leaning union members played a significant role in advocating for mask requirements.
Researchers identified a genetic mutation linked to a weakened immune system response in the gut, leading to rare and severe inflammatory bowel disease. The study found that mutations in the IFIH1 gene result in abnormal production of the MDA5 protein, causing improper immune activation and inflammation.
The COVID-19 pandemic has likely led to an increase in falls among older adults due to decreased physical activity, worsened physical conditioning, and heightened fear of falling. This is a pressing concern as falls can result in significant injuries, particularly among this age group.
Researchers at NC State re-examined birnessite's behavior, finding that nanoconfined interlayer structural water mitigates ion interactions, enabling an intermediate adsorption mechanism. This leads to capacitive behavior without significant structural change.
Zooplankton swim up and down in response to shifts in light due to cloud cover, with mini-migrations adding up to 30% of the average nightly migration distance. This behavior has implications for metabolic requirements and carbon transfer in the ocean.
A Hong Kong study suggests a link between the COVID-19 pandemic and an increase in childhood short-sightedness, with children spending less time outdoors and more time on screens. The study found that around 1 in 5 children developed short-sightedness during the pandemic, compared to around 1 in 3 over three years.
A computer simulation modelled by Associate Professor David Goldbaum suggests a leader emerges through a dynamic self-reinforcing social process, even with identical attributes among group members. The study finds that building up influence and gaining popularity is key to becoming a leader.
A recent study published in the New England Journal of Medicine found that within 15 years of a Type 2 diabetes diagnosis, 60% of participants had at least one diabetes-related complication. Lifestyle modification and approved medications are not enough to manage the disease, emphasizing the need for expanded treatment options.
A new model integrates advanced models and observational data to track carbon cycles in agroecosystems, validating its performance and demonstrating its potential for estimating different carbon components. This solution has the potential to advance precision agriculture and inform sustainable farming practices.
A new study suggests that girls are less likely to view science as a viable career when taught alongside confident and aspirational peers. Contrary to expectations, boys' confidence in STEM subjects is more likely to inspire them to pursue careers in the field.
A new DNA study provides critical information on conserving rough-nosed horned lizards in Sri Lankan rainforests. The research found that the lizards are separated into four forest groups, which can inform guidelines for forest landscape restoration and habitat connectivity.
Astronomers studied a piece of supernova shrapnel to understand how it ended up moving fast out of the galaxy. The metal-rich star's slow rotation rate suggests it survived a massive explosion, shedding light on the original two-star system.
A world-first study found that cancer patients receiving chemotherapy intravenously have more than double the risk of developing a blood clot or thrombosis if the vein is too small and the catheter occupies more than 45% of the vein. Researchers identified specific limits on catheter-to-vein ratios to reduce risks for cancer patients.
Researchers at the University of Basel have developed new luminescent manganese complexes with promising properties, including improved efficiency and stability. These findings offer a potential solution for more sustainable energy production and could lead to the creation of water-soluble variants for medical applications.
Scientists at Princess Margaret Cancer Centre have made a breakthrough discovery in understanding how dormant hematopoietic stem cells are activated, which could lead to new therapeutic targets for various cancers. The team found that lysosomes act as key signaling hubs regulating long-term hematopoietic stem cells.
Researchers determined that a woman's 'vascular age' is a better indicator for cardiovascular disease risk than her chronological age or years since menopause. Hormone therapy brings increased risk of cardiovascular disease, but 'vascular age' provides a clearer answer for physicians making decisions about hormone therapy.
Researchers discovered elevated cryptic transcription in aging mammalian stem cells, which is thought to contribute to the aging process. The study found that strategies controlling cryptic transcription may have pro-longevity effects.
A new study found that plastic pollution is ingested by juvenile sea turtles, leading them to accumulate in highly polluted areas like the Great Pacific Garbage Patch. The research team examined 121 sea turtles from five species and found that 86% of loggerheads and 83% of greens contained plastic.
Researchers found no evidence of increased suicide risk among patients taking recently developed antiseizure medications. The study suggests that the FDA's blanket warning on anti-seizure medications may not be justified, highlighting concerns about its impact on patient treatment and trial results.
A recent UC Riverside study reveals that neonicotinoids, commonly used in commercial plant nurseries, are deadly to bees regardless of watering levels. The research found a 90% decrease in bee reproduction with both high and low irrigation levels, highlighting the need for alternative management practices to reduce harm to pollinators.
Researchers at INRS and Université de Montréal are developing new electrodes based on nanostructured materials to degrade chemical compounds, including persistent organic pollutants (POPs) like PFAS. The project aims to create innovative solutions to decontaminate waters containing harmful chemicals.
A new study by UBC researchers found that people perceived as being less real and having 'less mind' when appearing within a photo. This discovery has implications for digital communication, particularly in online trials, healthcare, and education, where the perception of a person's mind can influence moral judgement.
A new study suggests that a slower spinning Earth may have boosted oxygen production by cyanobacteria, contributing to the planet's two great oxygenation events. This finding is based on research of microbial communities in a submerged Lake Huron sinkhole.
A new study suggests that thawing permafrost in Siberia may release large amounts of methane gas from limestone formations, posing a significant threat to global warming. Elevated methane concentrations were detected in two areas with limestone bedrock, indicating that fracture systems in these formations became permeable upon warming.
Luigi Ferrucci, MD, PhD, FGSA, has been awarded the 2021 Donald P. Kent Award by the Gerontological Society of America (GSA) for his outstanding professional leadership in gerontology through teaching, service, and public interpretation.
Siddha Pimputkar, an assistant professor at Lehigh University, has received the American Association for Crystal Growth (AACG) Young Scientist Award for his outstanding contributions to crystal growth. His research focuses on synthesizing bulk and thin-film single-crystal nitrogen-containing materials.
Researchers developed chemically modified guide RNAs for an RNA-targeting CRISPR system, significantly enhancing the ability to target and edit RNA in human cells. The optimized guides increased efficiencies of CRISPR activity by 2- to 5-fold and extended targeting activity from 48 hours to four days.
A study found that Scottish male former professional soccer players at midfield and defensive positions had a higher risk of developing neurodegenerative diseases. The research also suggested that longer careers were associated with an increased risk, particularly among those playing in the 1990s and 2000s.
Researchers found that over 60% of US residents infected with antibiotic-resistant salmonella Kentucky while abroad were resistant to fluoroquinolones. The bacteria is more likely to cause disease and evade antibiotics when acquired in Europe, Asia, and parts of Africa.
A study by UC Santa Barbara's Marine Science Institute found that understory algae can't compensate for the lost productivity of giant kelp in kelp forests. The researchers discovered a gradual reduction in canopy productivity and an exponential increase in understory algae productivity over 10 years.
Researchers found that text messages with ownership language increased appointment rates by 84.33% and accelerated vaccination schedules at UCLA Health. The study involved two randomized controlled trials with over 87,000 participants and demonstrated the effectiveness of text reminders in overcoming barriers to vaccine scheduling.
Researchers found that the oxygen produced by photosynthesis is limited by the time available during shorter days, as late-rising cyanobacteria need a few hours to photosynthesize and produce oxygen. This discovery suggests that changes in day length may have impacted global oxygen levels over Earth's history.
A recent study found that people willingly share monetary gains with others and dislike inequality, yet behave selfishly in large group decisions. In the Big Robber Game, over half of participants took the maximum amount from their group, while displaying prosocial behavior in small, bilateral games.
Researchers found a regulatory cell type, mesenchymal cells, control liver regeneration through cell-to-cell contacts. The study suggests that the wrong number of contacts between populations can lead to cancer or chronic liver diseases.
A team of scientists found that Neanderthals intentionally applied red ochre pigment to the cave's flowstone formation, dating back 65,000 years. The analysis revealed variations in pigment composition corresponding to different dates of application, indicating a tradition passed down through generations.
Researchers developed machine learning methods to accurately identify and characterize metabolism-disrupting chemicals, also known as obesogens. A high-throughput chemical screening approach combined with a machine learning approach was used to profile over 60 chemicals with known effects and predict their metabolism-disrupting potential.
A Japanese research team found that residents who engage in activities like camping and hiking experience increased happiness, while ownership has no effect. The study suggests better policies for enhancing forest relationships and measuring happiness based on the types of forest happiness.
A recent study published in the American Heart Association's Circulation Journal found that combining aerobic exercise with moderate calorie restriction resulted in greater improvements in aortic stiffness compared to exercise alone or exercise plus a more restrictive diet. The study, which included 160 sedentary adults aged 65-79 year...
Researchers at City of Hope developed a powerful miniature brain platform to study the causes of Alzheimer's disease and test dementia drugs in development. They used human stem cell technology to model sporadic Alzheimer's disease, finding that exposure to serum from blood can induce multiple symptoms.
Researchers found significant periodic flow velocity fluctuations in fuel injector ignite combustion oscillations, leading to high mechanical stress on the combustion chamber. The findings provide a reasonable answer for why these oscillations occur and have significant implications for preventing fatal damage in critical engines.
A recent study published in Circulation found that eliminating 200 calories and exercising four days a week significantly improved aortic stiffness in older adults with obesity. The results suggest that moderate caloric reduction and aerobic activity are more effective than restrictive dieting for improving vascular health.
A new study from MIT reveals Egypt will import more virtual water than the Nile can provide if current trends continue, threatening the country's water security. The research proposes shifting production to lower-water crops and improving irrigation methods to sustainably manage resources.
A single butterfly species introduced to an island in the 1990s had a significant impact on several insect populations, leading to genetic decline and high extinction risk for some species. The parasitoid wasp's mobility and symbiotic bacterial relationships played key roles in shaping this outcome.
A decline in atmospheric CO2 played a major role in driving Earth's climate from a warm greenhouse into a cold icehouse world around 34 million years ago. Land temperatures cooled by about 3C alongside ocean temperatures, and only climate models with declining CO2 could reproduce this cooling.
Research reveals that biological invasions are threatening the evolutionary history and ecological strategies of birds and mammals. The study found that 11% of their phylogenetic diversity is at risk, with a greater impact on bird species due to their vulnerability to invasive species.
Seoul National University researchers have created a new record-breaking thermoelectric material using tin and selenium elements, overcoming previous limitations with high performance and toxicity concerns. The material achieves a thermoelectric figure of merit greater than 3.1 and power generation efficiency exceeding 20% in bulk form.
Researchers from Hefei Institutes of Physical Science, Chinese Academy of Sciences, have developed a novel thermal diode with improved rectification performance. The new device exhibits excellent thermal rectification performance, with a maximum coefficient of 1.51, and requires less temperature bias than other reported thermal diodes.
Researchers project a further decline in excess male births in countries like China and India, but warn of a surplus of young men globally, posing social and economic challenges. A global loss of 22 million female births could occur by 2100 if all at-risk countries are included in projections.
A new study published in Nutrients found that U.S. adolescents who eat potatoes have higher quality diets than those who do not consume potatoes, regardless of how they are processed or prepared. Potatoes were associated with improved intake of key shortfall nutrients, including dietary fiber and potassium.
A new study published in Frontiers in Marine Science reveals that small juvenile marine turtles from the Indian Ocean and Pacific Ocean have a high incidence of plastic ingestion. Plastic ingestion is suspected to lead to mortality, malnutrition, and chemical contamination. The types of plastic ingested vary between the two study sites...
Researchers found a 40-meter fall in sea level increases eruption likelihood at Santorini and possibly other volcanoes worldwide. Climate change impacts volcanic activity, particularly as ice sheets retreat and global sea levels rise.
Researchers from NYUAD and University of Wisconsin-Madison develop interactive 3D diagrams to teach functional neuroanatomy. The study shows that VR exceeded PC viewing for experience-based learning outcomes, making it an enjoyable and easier learning tool.
Researchers found that local delivery of tumor-specific T-cells is an efficient option to convert tumors unresponsive to checkpoint inhibitors to permit tumor cures. Locally delivered T-cells showed similar control of established tumors as intravenous adoptive T-cell transfer.
Researchers at the University of Rochester have developed a new method using pulsed lasers in liquids to create nanoparticles that can be easily tested for use as catalysts. This technique accelerates the process of discovering effective catalysts, which is crucial for producing essential materials and clean fuels.
In a new study, researchers found that punishments, like dropping non-pollinated flowers, enforce cooperation between fig trees and wasps. Contrary to previous findings, some fig species do not eliminate non-pollinating wasps by aborting their own fruit.
A new app called selfBACK has been developed to help people deal with back pain in a better way. The app uses artificial intelligence and draws on other people's experiences with back pain to provide tailored advice and feedback.
Scientists discovered impaired leptin transport to the brain via LepR receptors leads to pre-diabetic state and exhausted insulin secretion. Reintroducing leptin restores pancreatic function-promoting action, suggesting a crucial brain role in type 2 diabetes management.
Chapman's Pygmy Chameleon, one of the world's rarest chameleons, has been found in surviving patches of forest in Malawi. The species was feared extinct due to forest loss and habitat fragmentation, leading to reduced genetic diversity and increased extinction risk.
Researchers found that individuals who consumed more hyperpalatable carbohydrate and sodium foods at an all-you-can-eat buffet had significantly greater weight change and percent body fat change. Hedonic eating, characterized by rewarding food properties, may boost a person's risk for weight and body-fat gain in early adulthood.
A Kaiser Permanente study of over 31,000 heart attack patients in Southern California revealed significant racial disparities in long-term survival. Black patients from lower-resourced neighborhoods were more likely to die within 5 years after a heart attack compared to white patients, regardless of healthcare access.
A new study suggests that growing stinkweed as a crop could produce cleaner jet fuel with fewer environmental impacts than other biofuels. The study found that stinkweed requires less fertilizer and pesticides, resulting in lower carbon dioxide emissions and air pollution.
The Journal of Nutrition Education and Behavior has announced the 2021 Best Article and GEM awards, recognizing outstanding contributions to nutrition education. The winners include Stacy Gleason et al. for their article on breastfeeding duration and Josephine Umoren et al. for their GEM on food pantries integrating nutrition programs.
A new cancer vaccine strategy showed promise in a proof-of-concept study, reducing tumor burden and improving overall survival in an animal model of Lynch syndrome. The vaccine targets specific neoantigens produced by cancer cells, stimulating a robust immune response.
Researchers at Rice University have developed a model of how internal states and external stimuli shape the behavior of hydra, a tiny, jellyfish-like creature. By studying their neural networks, scientists can gain insights into fundamental principles that may apply to more complex animals.