A new trial found that routine availability of platelet function testing had a modest impact on selecting and dosing anti-clotting therapy. However, no significant effect was observed on major adverse cardiac events or bleeding complications.
New research reveals that newborns are born without the toll-like receptor 3, a key protein needed to protect against viruses. This impairment makes newborn immune cells unable to recognize and react to certain viruses, increasing their susceptibility to infections like herpes simplex virus.
A new trial found that patients who have no major cardiac events in the first year following coronary stenting may not require extended dual antiplatelet therapy, reducing the risk of bleeding complications. The study suggests a potential shift towards shorter treatment durations for this group of patients.
Chronic snoring during pregnancy linked to poor delivery outcomes, including smaller babies and C-sections. Researchers found that pregnant women with sleep-related breathing problems are more likely to deliver underweight babies and require emergency or elective C-sections.
Researchers have determined the atomic-level structure of the tripartite HIV envelope protein, a complex target for vaccines. The findings provide insights into the process by which the Env trimer assembles and undergoes shape changes during infection.
Researchers found that scar tissue formed by stem cells after spinal cord injury helps to prevent further damage and facilitates the survival of damaged nerve cells. The study suggests that more rather than less stem cell scarring could limit the consequences of a spinal cord injury.
Researchers at Karolinska Institutet found that anti-obesity drugs, meal replacements, and a high protein diet can help maintain weight loss. Exercise had no clear effect on weight loss maintenance, while dietary supplements were not associated with reduced rebound gain.
Researchers at Oregon State University have discovered a new way to produce novel compounds with antibiotic potential by deleting a master regulator gene in a common fungus. This finding opens up the door to studying dozens of new compounds and potentially discovering new antibiotics.
A 15-year study on P. vivax population genetics in South Korea found drastic genetic change occurred between 2002-2003, suggesting parasites were introduced from North Korea. This explains why South Korea was unable to eliminate vivax malaria for 20 years.
The GIANT trial found that identifying slow responders to clopidogrel through genetic profiling and adjusting treatment leads to reduced adverse events and similar ischemic event rates compared to those with a favorable genetic profile. This suggests alternative treatment strategies for patients identified as CYP2C19 poor metabolizers.
A new study found that a patient's immune response may provide better insights into bacterial infections than conventional tests, leading to more accurate diagnoses and appropriate antibiotic treatment. The research identified unique 'immune fingerprints' associated with certain pathogens and predicted the nature of the infection.
Researchers used gaming technology to capture atomic movements in carbohydrates, shedding light on their role in neuronal development, inflammation and cell structure. The study provides a new view of biochemical barcodes and opens opportunities for designing drugs or biomaterials that mimic carbohydrate shape.
A non-invasive alternative to liver biopsy, the French-made FibroScan, has been proven very reliable in a national multi-center study. The device measures liver stiffness to assess fibrosis and guide treatment, providing quick and painless results.
Researchers say Chagas disease remains a leading cause of heart disease in impoverished North American communities, with inadequate healthcare and limited treatment options available. The editorial calls for increased medical awareness, scientific cooperation, and public-private partnerships to develop new tools and treatments.
A new study published in SAGE Open found that people with psychotic disorders such as schizophrenia are more likely to be left-handed. The research team studied 107 individuals from a public outpatient psychiatric clinic and found that 40% of those with schizophrenia were left-handed, compared to 11% of those with mood disorders.
Researchers have generated disease-specific induced pluripotent stem cell lines from a patient with familial transthyretin amyloidosis (ATTR), a lethal protein-folding disorder. The study successfully recreates essential aspects of the disease in vitro, validating this iPSC-based system as a platform for testing therapeutic strategies.
The ABI will offer faster imaging with much higher detail, enabling more accurate forecasts of severe weather and other hazards. The instrument's improved capabilities will help save lives and protect communities from extreme weather events.
The REPRISE II trial demonstrated low rates of complications with the second-generation transcatheter aortic valve, including minimal post-procedure paravalvular aortic regurgitation. The device successfully addressed challenges associated with TAVR, improving outcomes for patients with severe aortic stenosis.
Neurons from the retina connect to the brain first, controlling the abundance of a protein called aggrecan. This allows cortical neurons to get the best spots for connections once two weeks have passed. Understanding this mechanism could help repair damaged neural networks and develop regenerative therapies.
A new study reconstructs Pacific Ocean temperatures over the last 10,000 years and finds that middle-depth waters have warmed 15 times faster than natural fluctuations. This suggests that oceans may be storing heat from human emissions, potentially buying time before climate change accelerates.
A Vanderbilt study found that providing patients with a simple biosketch card about their doctor can improve patient satisfaction scores by 22%. The study showed that patient comfort with care is crucial for recovery, and this intervention is an easy and cost-effective way to enhance the patient experience.
Visceral Leishmaniasis is a severe disease causing spleen, liver, and bone marrow damage if untreated. In Brazil's largest cities, like Belo Horizonte, VL cases are on the rise, with high fatality rates despite available diagnosis and treatment.
Researchers identified barriers to mental health care access, including inadequate community support and lack of tailored psychological interventions. A new model of care, incorporating community groups and well-being services, improved awareness and use of mental health services among underserved populations.
UPV/EHU researchers have developed a new source of light emitter based on defective boron nitride nanotubes, which can emit light across the whole spectrum from infrared to far ultraviolet and control it in a simple way. The device functions on the basis of natural defects in the nanotube, enabling controlled emission.
Researchers have found that oligomeric proanthocyanidin has a protective effect on retinal ganglion cells against oxidative stress-induced injury, providing potential treatment for neural diseases. The compound, enriched in grape seeds, shows promise in preventing cell death in optic neurodegenerative conditions.
A new study published in Biological Psychiatry found that prenatal exposure to glucocorticoids is associated with cortical thinning and increased risk for stress and emotional problems in healthy, full-term children. The findings suggest that glucocorticoid administration may alter the trajectory of brain development.
Researchers at Michigan Medicine have identified two new proteins, Wapal and Synj1, that control T-cell responses and may help reduce graft-vs.-host disease. The study found that blocking these proteins reduced GvHD in mice, suggesting a promising approach for improving bone marrow transplant outcomes.
The UTSA Center for Simulation, Visualization and Real-Time Prediction has developed a virtual training system to aid football kickers through real-time feedback and analysis. The system uses computer sensing and mathematical models to predict football trajectory and analyze kicking mechanics data.
Researchers found that a quick neck injection of local anesthesia can reduce severe hot flashes in women by as much as 50 percent for at least six months. The treatment uses bupivacaine hydrochloride to target the stellate ganglion nerve bundle, providing symptom relief without hormonal therapy.
Researchers at Massachusetts General Hospital have developed a computer-controlled system to automate the process of administering anesthesia, promising more precise and efficient control. The system uses brain activity monitoring to adjust drug infusion and maintain a deep state of anesthesia, reducing the need for manual intervention.
The NIH has developed a candidate vaccine against respiratory syncytial virus (RSV), which elicited high levels of RSV-specific antibodies in animal studies. The vaccine was designed using structural information to inform its development, and early-stage human clinical trials are planned.
A study found that scent marking increases males' mating and reproductive success, as females prefer to mate with males who deposit more conspicuous scent marks. However, surprisingly, female mice tend to socialize with lower-marking males, suggesting a complex relationship between scent marking and social behavior.
Catholic schools do not offer superior academic performance compared to public schools, according to a national study led by Michigan State University. The study found that math scores for Catholic students dropped between kindergarten and eighth grade, while public school students showed slight improvements.
The HYBRID trial found that combining minimally invasive CABG with percutaneous coronary intervention is feasible and safe for patients with multi-vessel disease. At one year, 89.8% of the hybrid group was free from major adverse cardiac events.
Danish researchers have discovered how the body's immune system responds to HIV infection, identifying key proteins and mechanisms that can be targeted for improved treatments. The study's findings aim to enhance the immune system's ability to defend against uncontrolled virus growth.
A new study by Johns Hopkins Medicine found that young and middle-aged women with type 2 diabetes are at a significantly increased risk of coronary artery disease, comparable to men's risk. The study analyzed data from over 10,000 participants and suggests distinct genetic and hormonal factors may contribute to the higher risk.
Researchers at CWRU aim to build nanoparticles that can infiltrate and quash aggressive cancers that survive traditional therapy. They will perfect molecular coatings called ligands to enable nanochains to home in on micrometastases.
A new drug, pimavanserin, has shown significant improvement in reducing psychotic symptoms in Parkinson's disease patients. The study found a 37% improvement in psychotic symptoms compared to placebo, with no worsening of motor symptoms reported.
Researchers have developed a computerized system that can track patients' brain activity and automatically adjust drug dosages to maintain the correct state during medically induced comas. The system uses EEG patterns and real-time feedback to optimize anesthesia levels, eliminating the need for constant monitoring by nurses.
A recent study of diabetic patients who underwent revascularization for multi-vessel coronary artery disease found that insulin-treated patients experienced higher rates of major adverse cardiovascular events, including death, stroke, and myocardial infarction. CABG was found to reduce mortality and myocardial infarction rates compared...
A new study reveals that rising rates of obesity among young adults are contributing to an increase in knee replacement surgeries. Younger patients are more obese and experience the same level of pain and functional disability as older patients, according to researchers at UMass Chan Medical School.
Researchers create cleanest graphene by making electrical contact only along its 1D edge and using a contamination-free assembly technique. This results in improved performance, including high electron mobility and low sheet resistivity, making it suitable for electronic devices.
A new study reveals that the honey bee sex determiner gene has 87-145 alleles, a significant increase in genetic diversity compared to previous estimates of 20 alleles. This discovery is crucial for apiculture, as it helps minimize the risk of inbreeding and produces diploid drones.
Percutaneous repair of paravalvular prosthetic regurgitation can mitigate known risks associated with increases in implanted valves, particularly in patients at high-risk of cardiac surgery. The technique has shown durable symptom relief and reduced mortality rates in selected patients.
The HyperSpectral Imager for Climate Science (HySICS) has made its inaugural engineering balloon flight, collecting radiance data for nearly half of its eight and a half hour flight. This technology advance enables climate predictions and trends to be seen with higher accuracy using shorter duration data sets.
A Phase 1B study of MK-3475, an anti-PD-1 immunotherapy drug, showed encouraging results in treating non-small cell lung cancer, with a 24% response rate and median overall survival of 51 weeks. The drug, developed by Merck, allows the immune system to detect and attack cancer cells.
The DUTCH PEERS (TWENTE II) trial found that two third-generation permanent polymer-based drug-eluting stents had low rates of adverse clinical events, establishing the non-inferiority of a zotarolimus-eluting stent. The study also showed no significant differences in individual components of the primary endpoint.
The Strategies to Overcome and Prevent Obesity Alliance offers guidance for nonprofit hospitals to implement obesity programs addressing the needs of adults. Effective partnerships and multi-level strategies are crucial in combating this complex issue.
A study published in Journal of General Internal Medicine found that long-term opioid use is linked to a higher risk of developing major depression. Patients who used opioids for 180 days or longer were at a 53% increased risk, while those using them for 90-180 days had a 25% increased risk.
Scientists from the University of Glasgow have developed a range of new pizza recipes that meet public health goals without compromising taste. The pizzas contained at least 30% of all required nutrients, including carbohydrates, vitamins, and minerals, making them suitable as healthy meals.
The OPTIMIZE trial found that shortening dual antiplatelet therapy after drug-eluting stent implantation may reduce bleeding risks and treatment costs. Patients who received shorter-term therapy had similar rates of NACCE as those on longer-term therapy.
A new study suggests that stress eaters show dynamic patterns of eating behavior, with 'munchers' eating more after being stressed but less when pleased, while 'skippers' do the reverse. This challenges the idea that stress eaters need to regulate their eating habits to prevent weight gain.
Researchers at NYU-Poly used underwater robots to examine how golden shiner fish interact with a robot's coloration, size, and movement. The results show that the fish are drawn to a robot mimicking their natural colors and movement patterns, influencing their swimming behavior.
Scientists from the University of Sheffield have partnered with an Indian team to develop a new technology that can rapidly diagnose and treat corneal infections, potentially saving thousands of patients' eyesight. The technology uses polymers that trap bacteria or fungi in place, allowing for easy removal.
Researchers at Simon Fraser University found that a mutation in the CNK2 gene affects cilia length, leading to misinterpreted signals and fatal diseases. The study provides new insights into the importance of cilia disassembly speed in determining cell function.
Researchers at Johns Hopkins Medicine have discovered that the gene SRPX2 is necessary for vocalizations and synapse formation in mice. The study adds to scientific understanding of how language develops and how synapses are formed.
A new study finds that geoengineering approaches to mitigate global warming could result in reduced rainfall and snowfall worldwide. The research suggests that these techniques would not only fail to address the root problem of climate change but also have unintended consequences, such as altered regional precipitation patterns.
The supposedly widespread liverwort species was found to be a complex of geographically restricted species, with implications for biogeography studies. The study's results also highlight the importance of accurately identifying plant species, as it can lead to the discovery of new bioactive compounds.
Researchers at City College of New York develop novel edge-contact geometry to bridge 3D world to 2D graphene without contaminating its properties. The technique enables remarkably low contact resistance, opening possibilities for device applications and pure physics studies.
Researchers at Johns Hopkins Medicine have identified a critical gene that guides the separation of two types of motion-sensing cells in the retina, shedding light on cellular layering and its implications for brain function.
A study by Prof. Xiaoming Wang and team found that low-frequency repetitive transcranial magnetic stimulation (rTMS) suppressed electrical activity in epileptic rats, leading to improved nonlinear electroencephalographic parameters. This suggests a potential antiepileptic effect of low-frequency rTMS in treating chronic epilepsy.
Researchers develop a new molecule combining elements of Botox and tetanus toxin to alleviate inflammatory pain, offering potential relief for chronic pain conditions and epilepsy. The engineered molecule could improve quality of life for those suffering from chronic pain with a single injection providing prolonged pain relief.
A new study published in The FASEB Journal found that microgravity accelerates biological aging, causing inflammation among endothelial cells, which leads to atherosclerosis and cell senescence. The research highlights the challenges of sending humans deeper into space for longer periods.
A new study published in PLoS One found a strong association between racism and gun ownership among white Americans. The research also revealed that those who oppose gun control tend to have stronger racial biases, are more conservative, and live in southern states.
Glen J. Weiss, MD, presents studies on TSR-011, a potent ALK and TRK inhibitor, and Ki67, a measure of cell proliferation, in non-small cell lung cancer (NSCLC) tumors collected before chemotherapy and after surgery. These studies show preliminary clinical activity against various tumor types.
Researchers at the University of Copenhagen have made significant discoveries about muscular dystrophy, a collective term for neuromuscular disorders affecting 3,000 people in Denmark. The study found that proteins with attached sugar molecules, specifically mannose, play a key role in the disease's progression.
A new paper by Tim Lemper argues that the Supreme Court's decision in National Federation of Independent Business v. Sebelius established new limits on Congress' power to regulate commerce and use federal funds to coerce states. The court's decision placed groundbreaking limits on federal regulation, setting a precedent for future cases.
Researchers have discovered a steady change in the pulses of the Crab pulsar, indicating its strong magnetic field is moving towards the equator. The findings, made possible by a 42-ft telescope used to track ballistic missiles, provide insights into the star's interior and evolution.
Researchers found that amyloid beta-peptide worsened cognitive impairment following cerebral ischemia-reperfusion injury by inducing glycogen synthase kinase 3β and protein phosphatase 2A activity, resulting in tau protein phosphorylation. This study suggests a potential link between Alzheimer's disease and cerebral ischemia.
A CU-led study suggests that attracting and retaining highly skilled foreign Ph.D. students can revitalize innovation and economic growth in the US. The researchers found that increased student diversity boosts innovative research and that high-performing foreign-born Ph.D. students improve the creation of knowledge in US universities.
The TATORT-NSTEMI trial found that aspirating blood clots does not significantly reduce microvascular obstruction or the risk of death in patients with non-ST-elevation myocardial infarction (NSTEMI). Standard PCI without thrombectomy was shown to be equally effective.
Researchers found a patient in a vegetative state who could filter out unimportant information and home in on relevant words. Using brain imaging, scientists also discovered that the patient could follow simple commands, providing new insights into the ability of patients in these states to pay attention.
Researchers at University of British Columbia studied the energy cost of satellite tags on aquatic animals, finding significant drag increases on smaller or juvenile animals. The study provides a universal formula to calculate drag for various marine species, promoting accurate data collection and conservation strategies.
French researchers' oil-bath experiments provide evidence of wave-particle duality on a macroscopic scale. However, the phenomenon fails to explain entanglement, a key aspect of quantum theory.
Two new studies demonstrate the effectiveness of sofosbuvir in preventing post-transplant recurrence of hepatitis C virus in liver transplant recipients. The experimental anti-viral drug was found to be safe and effective in over 60% of patients, offering a new hope for those with limited treatment options.
Researchers analyzed butterfly genome sequences, finding initial divergence is restricted to small fraction of genome, with key genes involved in wing patterning. Close comparison of closely related species showed rapid genomic changes occurred in evolutionary time after early differences took hold.
A study published in Nature finds that climate change could lead to a decline in plant production due to changes in soil nutrients. As drylands become drier, the imbalance of essential nutrients like nitrogen and phosphorus may affect crop growth, livestock forage, and fuel production.
Cerebral microbleeds are common in older individuals and can contribute to neurological changes. Researchers recommend considering microbleeds when treating other brain-related issues like stroke.
A new study at Harvard Medical School proposes that aneuploidy is a driver of cancer development rather than just a result. Researchers analyzed genome sequence data from over 8,200 pairs of cancerous and normal tissue samples to identify patterns in tumor evolution.
Researchers at Weill Cornell Medicine and TSRI have determined the atomic-level structure of the tripartite HIV envelope protein, known as Env. The findings provide a detailed picture of the complex protein and its sites of vulnerability that could be targeted by future vaccines.
A study published in the Bulletin of the World Health Organization finds that mid-level health workers, such as midwives and nurses, can deliver clinical outcomes comparable to physicians in certain services. The research analyzed 53 studies conducted in 18 countries and suggests opportunities for all countries to exploit.
Scientists have found that only a few genetic changes are necessary to spur the evolution of new species, even in populations still in contact and exchanging genes. The study reveals key genetic areas affected by natural selection and differing in just 12 small regions of the genome.
Researchers at RIKEN Brain Science Institute have discovered a protein called BTBD3 that optimizes neuronal shape for efficient sensory input reception. This finding sheds light on how brain cells are positioned to receive incoming sensory information, enabling highly developed senses in animals.
Researchers at Royal Holloway University have made a significant discovery about how valproate blocks seizures in the brain. By using a simple amoeba, they identified the specific chemical responsible for seizure progression and found that its decrease can cause even more seizure activity.
Researchers from Instituto Gulbenkian de Ciencia discovered that Polo-like kinase 4 (PLK4) must self-destruct to ensure normal centriole formation. This destruction mechanism controls centriole number and prevents diseases like cancer and infertility in fruit fly model organisms.
Researchers have used a novel imaging technique to study the interaction between an antimicrobial peptide and cell membranes, gaining insights into how it kills bacteria. The findings suggest that the peptide creates nanometer-sized pores in the cell membrane, leading to its disintegration and death.
Research reveals Yeast Protein Concentrate (YPC) can be separated from cereal matter and is a cost-competitive substitute for imported soya-based protein feeds. This could partially replace fish meal on commercial fish farms, benefiting 800 million chickens reared for meat production each year.
A NYU study published in Frontiers in Psychology found that mindfulness training, combined with cognitive behavioral therapy, improved attentional task performance in incarcerated adolescents. The intervention showed a protective effect on youths' attentional capacity, leading to better self-control and reduced anti-social behavior.
A study published in Social Psychological and Personality Science found that more child-centric parents experience higher happiness and a sense of purpose from having children. This contradicts popular media claims, suggesting that prioritizing children's well-being can actually improve parental well-being.
Research by Véronique Bohbot reveals a direct link between stimulus-response learning and increased substance abuse, particularly smoking, alcohol and cannabis use. A developed striatum is associated with this behavior.
Researchers at the Weizmann Institute of Science have successfully created induced pluripotent stem cells (iPS cells) that can be kept in a pristine state, paving the way for growing transplant organs to order. The breakthrough enables the production of 'humanized' mouse models containing human-derived tissues.
Dogs exhibit asymmetric brain organization, with left-brain activation linked to right-tail wagging and right-brain activation tied to left-tail wagging. This difference affects emotional responses in dogs, who display anxious behavior when seeing a dog with a left-tail wag and relaxed responses when seeing a dog with a right-tail wag.
Researchers found iron concentration is uniform across Perseus Galaxy Cluster, indicating widespread dispersal of heavy elements in the early universe. The team attributes this to supernova explosions and active black holes, suggesting a period of intense cosmic activity.
A 20% sugary drink tax in the UK could reduce the number of obese adults by 180,000 and overweight individuals by 285,000. The tax would primarily impact young people under 30 years old, who are major consumers of sugar-sweetened drinks.
Dr. Noel's landmark study with the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition documented a drastic increase in cases of kids swallowing powerful neodymium magnets. His work led to recalls, lawsuits, and increased awareness about the dangers of these magnets.
Typhoon Krosa made landfall in extreme northern Luzon, bringing strong winds and heavy rainfall. The storm's center was located near Manila, Philippines, with maximum sustained winds of 90 knots.
Michael M. Yartsev's research using bats to study neural coding mechanisms underlying three-dimensional spatial memory and navigation has provided novel insights into the mammalian brain. His award-winning essay highlights a discovery that place cells in bats help navigate 3D space, differing from previously identified processes in rats.
University of Akron researcher Hossein Tavana has received a $511,000 NIH grant to advance 3D tumor models for anticancer drug testing. His innovative approach generates 384 physiologic tumor models using robotic technology, allowing for more efficient and cost-effective drug screening and discovery.
Two studies report rapid and sustained reduction of SHIV viral load in monkeys infused with anti-HIV antibodies, suggesting potential for treatment. Researchers propose testing antibody-based immunotherapy in HIV-infected people.
Researchers have developed a detailed picture of the HIV envelope trimer, critical for understanding how HIV enters cells and creating potential vaccines. Atomic-resolution imaging revealed the structure of the Env trimer, its assembly, and interaction with broadly neutralizing antibodies.
A study found that over half of chronic hepatitis C patients were not treated due to therapy limitations or waiting for newer treatments, leaving them without access to potentially life-saving care. Another study identified a significant 'lost opportunity' for patients to achieve the current best result of treatment.
Women working in Head Start programs experience higher rates of physical health conditions, depression, and poor overall health. The researchers suggest addressing the staff's health through wellness initiatives, mindfulness, and a supportive workplace culture.
A new study reveals that the Pacific Ocean is absorbing heat at a rate 15 times faster than in the past 10,000 years. This surge in heat absorption may provide scientists with more time to address climate change but is not a solution, according to researchers.
A CU-Boulder-led research team has gained insights into the vital but rarely considered microbial communities thriving in dark, fertile soils beneath the lost tallgrass prairie. The study reveals a dominant phylum of bacteria, Verrucomicrobia, which played a crucial role in the ecosystem's productivity and fertility.
Researchers found that partial degradation of a DNA replication protein is necessary for the survival of Caulobacter crescentus. The energy-dependent protease ClpXP generates specific-sized fragments required for normal growth and DNA repair, challenging previous assumptions about protein digestion in bacteria.