A new assay can detect toxic prions in blood samples from humans with variant Creutzfeldt-Jakob Disease (vCJD) and asymptomatic animals. The test, developed by French researchers, was tested on vCJD patients and non-infected controls, accurately identifying infected individuals.
A new study reveals that gentoo penguin populations continue to grow in response to climate warming, while Adélie and chinstrap penguin populations are declining due to reduced krill supplies. The research, led by scientists from Woods Hole Oceanographic Institution, sheds light on how past climate change affected these species.
Researchers found that heart rate variability can predict the risk of necrotizing enterocolitis in premature infants. The study showed that decreased high-frequency energy distribution was associated with increased risk, while higher values were linked to a lower risk. This discovery offers new hope for early detection and intervention.
Researchers have found a significant relationship between climate change and ocean currents spanning six million years, with shifts detected in sediments analyzed from the Atlantic near Gibraltar.
A new study found that African Americans taking metformin saw greater improvements in blood sugar control compared to white individuals. The study suggests that metformin is more effective at controlling blood glucose in African Americans, who are twice as likely to be diagnosed with diabetes.
A new study suggests cranial ultrasound is more sensitive and equally specific as temporal artery biopsy in diagnosing giant cell arteritis. The test has high predictive accuracy, making it a promising replacement for the current gold standard.
Researchers at Oregon State University have discovered a copper compound that significantly extends the lifespan and improves locomotor function of transgenic mice with ALS. By delivering copper selectively to spinal cord cells, scientists aim to stabilize superoxide dismutase and improve mitochondrial function.
A team of researchers from the University of Pennsylvania School of Medicine has developed new cell culture and mouse models to test immunotherapy for Parkinson's disease. By targeting distorted alpha-synuclein proteins, they prevented pathology development and reversed some effects of existing disease.
A comprehensive genetic study of the Mexican population identified tremendous genetic diversity reflecting thousands of years of separation, explaining health factors such as differing rates of breast cancer and asthma. The study provides an explanation for misdiagnoses and incorrect treatment based on ethnic heritage.
Scientists create ultra-small nanoparticles that can bind to cancer cells using camel antibody fragments, potentially revolutionizing tumor detection. The particles successfully evade the human immune system and reach diseased cells under conditions similar to those in patients' bodies.
Researchers have discovered how embryonic stem cell fate is controlled, enabling future research into artificial cell manipulation. This breakthrough aims to repair or replace damaged human cells and tissues, restoring normal function.
Tropical Cyclone Nanauk is experiencing strong thunderstorms with cloud top temperatures near -63F, indicating high rainfall potential. The storm will face weakening factors such as increasing wind shear, dry air, and cooler sea surface temperatures over the next few days.
Researchers discover water bound in rock deep in the Earth's mantle, potentially representing the planet's largest water reservoir. This finding may aid scientists in understanding how the Earth formed and what its current composition is.
A new study has found that the Western Amazon is contaminated with oil pollutants, posing a significant risk to its unparalleled biological and cultural diversity. The research, published for the first time, reveals high levels of lead, mercury, and cadmium in wastewater samples from 18 sites in 10 Amazon tributaries.
Neurons in the prefrontal cortex and striatum synchronize their brain waves to form new communication circuits during category-learning, enabling rapid adaptation. This phenomenon likely precedes changes in synapses and underlies the human mind's flexibility.
Research reveals distinct differences in gut microbiota between young children with and without type 1 diabetes. The study, published in Diabetologia, found that diabetic children have an imbalanced gut microbiome, while healthy controls exhibit a balanced balance of beneficial bacteria.
A new study shows that walking 6,000 or more steps per day can reduce the risk of functional limitation associated with knee osteoarthritis. Researchers found that walking just 1,000 extra steps daily reduces incident functional limitation by 16-18% two years later.
Research published in Liver Transplantation found that childhood liver transplant recipients have a reduced body cell mass post-transplant, leading to an increase in fat mass and a slim body composition. The study suggests that these patients are at risk of becoming 'skinny fat' due to their low body cell mass.
A new study links opioid pain relievers to less improvement and higher levels of dissatisfaction following spine surgery. Patients who used opioids before surgery had worse health outcomes at 3 and 12 months post-op, according to a study published in the Journal of Bone and Joint Surgery.
A recent study found that young black adults with kidney failure living in poor neighborhoods are nearly twice as likely to die while still young compared to whites. The reasons for this difference are not well understood, but the researchers suggest that socioeconomic factors may play a role.
Researchers have identified a potential biomarker of response to etanercept and adalimumab in patients with rheumatoid arthritis (RA) through DNA methylation analysis. The study found that epigenetic changes, such as DNA methylation, may provide potential biomarkers of response to anti-TNFs.
The study reveals that each glioblastoma tumor contains individual cells from multiple cancer sub-types, and that the distribution of these cells varies from tumor to tumor. This heterogeneity may contribute to drug resistance and disease recurrence, highlighting the need for personalized treatment approaches.
Physicists in Innsbruck developed a new quantum error-correcting method and tested it experimentally. The topological code arranges qubits on a two-dimensional lattice to detect and correct general errors. This approach could lead to a robust quantum computer performing any number of operations without being impeded by errors.
Researchers developed a unique method to identify oil spills, even after most of it has degraded. They found that some biomarkers degrade within a few years after an oil spill, providing a window into the environment's impact.
A University of Nebraska-Lincoln sociologist found that younger evangelical Protestants are closing the social-class gap with mainline Protestants. Younger working-class Americans are increasingly unaffiliated with any particular denomination, a shift that could impact conservative Christian groups' role in U.S. society and politics.
A decade-long study found that teens who acted cool in early adolescence were more likely to experience problems in early adulthood, including substance abuse and criminal activity. By age 22, these teens were rated as less competent in social relationships and had engaged in more serious behaviors.
Researchers have discovered that populating GI tracts with Bacteroides species producing beta-lactamase enzyme protects good commensal bacteria from antibiotics. This finding suggests a potential new strategy for preserving the gut microbiome during antibiotic treatment.
A new study reveals that parasympathetic neurons originate from immature glial cells in mouse embryos, forming a previously unknown developmental pathway. This discovery may lead to new medical treatments for congenital disorders of the nervous system.
A study led by Anna-Liisa Laine found that proximity to other meadows increases disease resistance in wild meadow plants. The research surveyed over 4,000 Plantago lanceolata meadows and their infection status with a fungal pathogen, revealing less disease in areas with dense meadow networks.
A joint research team has identified alterations in neuronal structure and protein changes in the prefrontal cortex of brains affected by alcohol abuse. The study found reduced levels of α- and β-tubulin and β II spectrin proteins, affecting neuronal organization and functioning.
A new phase 2 study found that the enzyme ALV003 reduces gluten-induced injury to the small intestine, decreasing gastrointestinal symptoms in celiac disease patients. The treatment was well-tolerated and appeared to be effective in reducing damage caused by low levels of gluten.
A time-lapse study reveals three major bottlenecks restricting the formation of colonies in human embryonic stem cells, including survival after plating and cell death after division. The research could lead to improved use of these cells in regenerative medicine.
A study found that childhood cancer survivors were hospitalized more often and for longer durations than the general population, with conditions like blood disorders and infections leading to hospitalizations. The study highlights the need for regular cancer-focused healthcare to identify health problems throughout their lives.
Researchers at Rochester Institute of Technology create algorithms to quantify lung nodule growth on CT scans, identifying small cancers and obviating risky biopsies. The software compensates for background factors and estimates nodule volumes, enabling accurate doubling time calculation and malignant growth detection.
A new study published in Frontiers in Psychology shows that brief bouts of exercise can significantly improve attention and reading comprehension in low-income adolescents. This finding has important implications for schools serving low-income populations, suggesting they should incorporate physical activity into their daily schedules.
A new study published in Social Psychological and Personality Science found that standing during meetings increases physiological arousal, leading to greater idea sharing and higher quality videos. Removing chairs from the workspace can be a low-cost way to redesign office spaces and promote non-sedentary work.
African malaria mosquito expert Bradley White receives $1.8M NIH grant to create fine-scale recombination rate maps for Anopheles gambiae. The project aims to model and predict efficacy of novel vector control strategies.
Researchers studied brain activity in a part of the brain involved in thinking about oneself and found that group dynamics can lead individuals to harm others outside their group. This is due to reduced medial prefrontal cortex activation when seeing moral statements, which correlates with increased likelihood of harming opponents.
Researchers created a fully automated computer program called LEVAN that learns all possible variations of a concept by searching millions of books and images on the Web. The program displays results as a comprehensive, browsable list of images, helping users explore and understand topics quickly.
Researchers show that proliferation unlocks expression of Interleukin-10 in NK cells, a protein that moderates the immune system. This helps prevent hyperactivation of CD8 T cells, which can cause damage. The study provides another important role for lymphocyte proliferation and may help design vaccines.
Research published in BMJ Open found a link between cement use in partial hip replacement and sudden death, cardiac arrest, or severe decline within minutes of surgery. The study analyzed 62 cases of bone cement implantation syndrome (BCIS) between 2005 and 2012.
A new device can collect and detect Listeria monocytogenes on food industry surfaces in just three to four hours, a significant improvement over current methods that take days. The sensor uses compressed air and water to remove cells before detecting them with an antibody, producing a fluorescent signal.
A new study published in PeerJ found that fighting off illness rather than the illness itself causes sleep deprivation and affects memory. The research used flies to show that the immune system can cause problems with sleep and memory, even when there is no infection present.
A US study suggests that smartphone apps pose a higher risk of gonorrhoea and chlamydia among gay men, who are more likely to engage in unprotected sex with anonymous partners. The study found that app users were 23% more likely to be infected with gonorrhoea and 35% more likely to be infected with chlamydia.
Researchers propose using a 30-minute face-to-face interview to assess students' competencies beyond academic aptitude, leading to an 81% PhD completion rate among underrepresented minorities and women. The GRE's limited predictive ability in STEM fields is also highlighted.
A study by the University of Jyväskylä, Finland found that children exhibiting social withdrawal are more susceptible to parental impacts, including guilt-inducing parenting styles. These children experience increased conduct problems and depressive symptoms.
A comprehensive analysis of Mexico's genomic diversity identified a dazzling mosaic of genotypes and population substructures across the country. The researchers found that variations in Native American ancestry significantly affect biomedical traits like lung function.
Researchers at UT Southwestern Medical Center have found that blocking NMDA receptors with ketamine can elicit rapid antidepressant effects in patients with treatment-resistant depression. The study suggests that this fundamental difference between ketamine and memantine could lead to a new class of drugs with fewer side effects.
Researchers at Virginia Tech have discovered a natural fungus that can kill poison ivy, offering an alternative to chemical treatments. The fungus, Colletotrichum fioriniae, is being explored as a potential biological control method for invasive plants.
A team of researchers found that migratory birds carry small plant fragments, including mosses and spores, on their feathers, which can be used to establish new plant populations. This discovery suggests that birds may play a role in the long-distance dispersal of plants.
Researchers used molecular dynamics simulations and integral equation theoretical calculations to study the phase separation of active and passive particles. The introduction of activity was found to enhance phase separation in some cases, contrary to previous assumptions.
Researchers found that people exposed to core disgusts in movies show higher attention levels and remember content better, even with negative reactions. The study suggests that disgusting content can be a effective device for content creators.
Research reveals that lipid droplets play a crucial role in regulating histone proteins in fruit fly embryos, helping to maintain the 'perfect' balance required for development. The findings suggest that manipulating this process could potentially treat diseases linked to chromosome malfunction.
Researchers at Case Western Reserve University found that existing cancer treatment bortezomib increases levels of the vascular-protective gene KLF2, preventing blood clot formation. This discovery has potential implications for managing thrombosis in patients with predispositions to clot formation.
The Family Wellness Program, a behavioral treatment for obesity, shows promise in real-world settings. Children's body mass index improves, with 70% experiencing significant improvement and nearly half achieving weight loss. Parents' BMI also declines, leading to improved quality of life for children.
Men with type 2 diabetes lost 12% of abdominal fat and reduced blood sugar levels by 20%, while those with high blood pressure showed improved heart rate and fitness, reducing the risk of heart disease. Football training also provided social benefits and increased motivation for further exercise.
The Phase 2B clinical trial of CRS-207 and GVAX Pancreas vaccines aims to improve treatment outcomes for patients with advanced pancreatic cancer. The combination regimen shows promise in improving survival rates, with no serious treatment-related adverse side effects.
Research suggests that children of parents using subsidies for center-based care at age 2 are more likely to use Head Start or public prekindergarten two years later. This finding highlights the potential benefits of early subsidy programs in strengthening low-income children's development.
Researchers found that anti-dsDNA, surface-expressed TLR4, and endosomal TLR9 cooperate to worsen lupus progression. Co-activation of these receptors triggers a more intense immune response, leading to increased disease severity.
Exercise has been shown to transiently suppress local and systemic inflammation in rheumatic disease, with benefits seen in the regulation of NF-kB activation and suppression of pro-inflammatory cytokines. Regular exercise is necessary to achieve clinical efficacy and reduce the burden of rheumatic diseases.
A new study finds that most men with gout have severe erectile dysfunction, highlighting the importance of screening for this condition. The study suggests that all men with gout should be routinely screened for erectile dysfunction to detect possible silent coronary artery disease.
International study reveals blood product sterilization processes can prevent platelets from carrying out their functions correctly, potentially leading to hemorrhages. The processes alter the genetic material of pathogen-reducing treatments, depleting platelets of RNA and impairing their ability to synthesize essential proteins.
Children with rare mutations in fibrillin-1 and fibrillin-2 genes are four times more likely to develop severe scoliosis than peers with normal versions. Drugs blocking a major growth pathway may prevent scoliosis in affected children.
A team of scientists at the University of Innsbruck has directly observed long-range tunneling of quantum particles through up to five potential barriers. The researchers used a gas of Cesium atoms in an engineered optical lattice, where they applied a directed force to initiate tunneling motion.
Researchers developed a rehabilitative approach that boosted nerve fiber growth and trained animals to grip again after a large stroke. The study found that timing and training are crucial factors for successful recovery, with early application of growth stimulators triggering increased sprouting and growth of nerve fibers.
Women with weight problems exhibited impulsive behavior when presented with images of food, suggesting a possible predisposition to binge eating. The study found that these individuals lacked contemplative will power and were more stimulated by food images.
A team of researchers has found a potential way to enhance the body's ability to sense and inhibit viral infections by boosting a naturally occurring protein called OASL. This discovery could lead to more effective treatments for viruses ranging from hepatitis C to the flu.
The Mediterranean Sea's iconic ecosystems, such as sea grass meadows and coral reefs, are facing rapid decline due to acidification and warming. Research suggests that human society worldwide must reduce fossil fuel emissions to save these ecosystems from extinction.
Two Regenstrief Institute investigators, Michael LaMantia and Noll L. Campbell, have received NIH career development awards to study delirium recognition in emergency departments and the adverse cognitive effects of medications in older adults. Their projects aim to improve care and management of older adults with delirium.
A study published in PLOS Computational Biology reveals that hereditary disease genes are found throughout the human body. This discovery highlights tissue-specific protein interactions and provides a powerful tool for identifying new therapeutic targets.
Smokers who struggle to quit may have weaker response to rewards in their brains, making it harder to overcome nicotine addiction. Researchers used fMRI to study the striatal response to monetary reward in smokers expecting to smoke and those not planning to do so.
Researchers found chimpanzees cooperated 3,565 times over 94 sessions, increasing success rate and efficiency as they learned the need for a partner. The study demonstrates that chimpanzees are more cooperative than previously thought.
A study by Xavier Salvatella and Modesto Orozco reveals the existence of information highways in proteins, enabling new sites for drug interaction. This discovery has the potential to improve drug efficiency and discovery.
Researchers are developing new models to analyze sedimentary basins, combining geological data with complex simulations to better understand their formation and changes over time. The Basin GENESIS Hub aims to improve resource estimates and exploration targets in deep basins, particularly in remote regions of Australia.
Researchers found that persons with lower blood vitamin D levels were twice as likely to die prematurely as those with higher levels, regardless of bone disease risks. The study supports previous findings on low vitamin D being hazardous and provides reassurance on safe dosing up to 4,000 IU/day.
Researchers develop computer model to speed up search for compound that activates FFA4 protein, a key player in appetite regulation and glucose uptake. The model aims to identify molecules that bind to the protein, potentially leading to a new obesity treatment.
A study published in Science found that father's age has a stronger impact on mutation rates in chimpanzees compared to humans, with 90% of new mutations originating from fathers.
Over the last 30,000 years, three species of penguins - Chinstrap, Adélie, and southern Gentoo penguins - increased in numbers as Antarctica warmed. However, recent declines in some populations suggest ice is now retreating too far or too fast.
A new Northwestern Medicine study finds that delinquency in youth, particularly females, significantly increases the risk of violent death in adulthood. The study reveals that female delinquents are nearly five times more likely to die violently than the general population.
Hurricane Cristina has reached Category 4 status with maximum sustained winds near 155 mph. The National Hurricane Center expects the storm to maintain major hurricane strength for another 36 hours, posing life-threatening surf and riptide conditions along Mexico's west coast.
The study, led by Elizabeth M. C. Hillman, reveals the vascular endothelium plays a critical role in regulating blood flow in response to neuronal activity. This finding has far-reaching implications for understanding early brain development, disease, and aging.
A study published by the American Heart Association found that eating moderate amounts of processed red meat increases the risk of incidence and death from heart failure in men. The study, which included over 37,000 men aged 45-79, found that those who consumed the most processed red meat had a 28% higher risk of heart failure compared...
New research links low blood cholesterol to more advanced tumor stages and reduced cancer survival rates in kidney cancer patients. High cholesterol levels are associated with a lower risk of death from the disease, suggesting a potential new prognostic tool for monitoring patient outcomes.
Researchers at UT Southwestern Medical Center have found that orexin proteins play a crucial role in both promoting and blocking bone formation. This dual regulation may provide new targets for treating osteoporosis, particularly by inhibiting orexin receptor 1 or activating orexin receptor 2.
Researchers developed a non-invasive imaging technique to track beta cell status in type 1 diabetes patients. The PET scan detects the amount of radiotracer in the pancreas, indicating the overall amount or volume of active beta cells present.
Researchers found that mass murderers with mental health problems are not typical of those who commit violent crimes, and most people with serious mental illness do not engage in violent acts. An evidence-based approach to limiting access to firearms for individuals with behavioral risk factors can reduce gun violence.