Researchers analyzed 2,475 patients and found that sex-specific chest pain characteristics were not useful for differentiating between women with heart attacks and those with other causes of chest pain. The study concluded that chest pain characteristics should be used in conjunction with ECG and cardiac markers to diagnose heart attacks.
Researchers sequenced the whole genome of desert poplar, revealing genetic mechanisms underlying its salt stress tolerance. The study provides new insights for breeding salt-tolerant cultivated poplars.
Researchers found that site quality affects the relationship between density and mortality in ponderosa pine stands. Thinning forest stands can reduce fuel buildup and enhance growth of residual trees, while early shrub removal and tree density control are most effective ways to reduce fuel buildup.
Researchers found that messenger RNA can take a two-way journey down the cell's cytoskeleton, delivering proteins to specific locations and avoiding diseases such as Alzheimer's, cancer, and Fragile X syndrome. This flexible navigation allows mRNA to bypass obstacles and reach its intended destination.
A new study found that esophageal cancer patients who experience certain symptom clusters after surgery have a higher risk of dying from their disease. The research identified three distinct symptom clusters, including fatigue and pain, reflux and cough, and eating difficulties, which are associated with increased mortality risk.
A new study published in the Journal of Corporate Finance reveals that female board members significantly impact merger and acquisition transactions, reducing company costs and increasing shareholder value. With each additional female director, companies pay less for acquisitions and attempt fewer takeover bids.
Researchers found brain growth differences in infants carrying APOE-E4 gene, which increases risk for late-onset Alzheimer's. The study suggests early changes may provide a 'foothold' for disease pathologies.
A new study by UCSB's Jamey Marth reveals a protective mechanism against lethal blood coagulation and thrombosis in sepsis. By pre-activating the Ashwell-Morell receptor, survival rates can be increased twofold.
A multi-university project aims to create inclusive user experiences on the internet, developing methods for software modification, authentication schemes, and crowdsourcing to increase accessibility for all. Researchers will explore ways to make web pages more accessible for people with disabilities.
A new study published in the Journal of School Violence reveals that nearly 10% of US high school students have been physically hurt by their romantic partners in the past year. The prevalence rate has remained stable over the past 12 years, with black and multiracial youth being disproportionately affected.
Researchers found that LIF levels were predictive of NPC patient response to radiation therapy, with patients having higher serum levels of LIF being resistant to treatment. LIF itself promotes NPC progression and radioresistance. Circadian clock proteins BMAL1 also regulate redox proteins preventing oxidative stress damage in neurons.
A study found that people taking statin drugs often take an average of three other medications that can cause muscle pain and lead to discontinued use, a major contributor to the side effect. Researchers recommend adjusting dosages or choosing alternative medications to minimize interactions.
Rice University researchers used computer models to study the behavior of misfolded proteins, finding that they can form branching structures similar to those found in spider silk. These structures may be an early stage in the formation of amyloid plaques associated with Alzheimer's disease.
Researchers found that giving an iodine capsule to breastfeeding mothers is more effective in providing their babies with the essential trace element than administering it directly to the infant. However, both methods have limitations and do not guarantee sufficient iodine intake for both mother and child.
A novel approach to treating autism spectrum disorder teaches affected children to control their autonomic nervous system using computerized biofeedback and clinical hypnosis. The method recognizes symptoms as an effort to self-regulate inner turmoil, allowing children to feel better and be more socially engaging.
Researchers observed cyanobacteria assembling carboxysomes, vital cellular machinery for photosynthesis and carbon fixation, from the inside out. The findings illuminate bacterial physiology and may influence nanotechnology development.
A team of researchers discovered that abnormal mitochondria may be responsible for cancer cells' resistance to radiation therapy. The study found that a mutation in the E2F gene led to dysfunctional mitochondria that produced less energy, making cancer cells more resistant to radiation-induced cell death.
A third of older adults admitted to the ICU were classified as frail, increasing their risk of death, illness, and adverse events. Frailty is characterized by a loss of physical and mental strength, making patients more vulnerable to complications.
A new study demonstrates that electrical resistivity in composite materials follows a staircase-like pattern with increasing conducting particle concentration. The findings, published in European Physical Journal B, use percolation theory to explain the discrete series of resistances observed.
A study published in JCI Journals found that circadian clock proteins regulate neuronal redox homeostasis and prevent neurodegeneration. BMAL1-deficient mice showed accumulated astrocytes, neuronal degeneration, and reduced blood flow, highlighting the importance of core clock proteins in maintaining healthy neurons.
Researchers found that LIF levels are predictive of NPC patient response to radiation therapy, with patients resistant to treatment having higher serum levels of the cytokine. LIF promotes NPC progression and radioresistance.
A majority of young California children eat fast food regularly, with 60% consuming it at least once a week. Parents in lower-income households have less influence over their children's eating habits, emphasizing the need for targeted health education and support.
Research suggests that awe-inspiring sights can motivate people to seek explanations for the world, potentially leading to a stronger belief in the supernatural. Participants who watched awe-inspiring videos showed increased comfort with supernatural control and were more likely to believe in God.
A new approach to palliative care has been shown to reduce emergency room visits and improve overall care for high-risk geriatric patients. The customized care model, matched to their changing needs at home, also reduces healthcare costs.
Researchers create hybrid materials with nanorods to replicate biological tissue regeneration processes, sensing damage and regrowing components. The team aims to develop complex materials with multiple functions through future optimizations.
Researchers found that disrupting a core clock gene in mice accelerated oxidative stress and inflammation in nerve cells, raising possibilities for therapeutic approaches to delay neurodegeneration. The study suggests the molecular clock plays a crucial role in protecting the brain from damage.
Researchers at University of South Carolina discover THC influences microRNAs, altering gene expression and potentially treating arthritis, multiple sclerosis, and type 1 diabetes. The study identifies specific microRNA targets for controlling inflammation and immune response.
A recent study found that nearly two-thirds of women who have had hysterectomies and half of women over 65 with no cervical cancer history received unnecessary Pap tests. The U.S. Preventive Services Task Force has recommended against these groups for the test since 2003.
Researchers developed a drug regimen that eradicated CRE colonization in 44% of patients, significantly reducing mortality rates. The treatment was found to be safe and effective for eliminating the carrier state, which can reduce patient-to-patient transmission.
A new study reports that individuals who underwent left gastric artery embolization experienced a 7.9% decrease in body weight, highlighting potential new avenue for obesity research. The procedure blocks the production of ghrelin, leading to decreased appetite and weight loss.
Researchers at Rice University discovered the mechanism behind superfluorescent bursts in quantum wells, enabling compact semiconductor devices to produce picosecond pulses of light. The discovery may lead to new telecommunications equipment and other devices transmitting signals at picosecond speeds.
Researchers investigated epigenetic changes in response to maternal cortisol exposure, finding support for prenatal transmission of risk for poor neurodevelopmental outcomes. This study highlights the importance of treating maternal prenatal depression and anxiety to mitigate newborn behavioral problems.
A study by Cornell Food & Brand Lab found that extraverted kids are more influenced by bowl sizes, serving 33.1% more cereal when given a large bowl compared to introverts, who served only 5.6% more. When served by adults, all kids requested more cereal in the large bowl, highlighting the impact of personality traits on portion control.
A Stanford study reveals that astrocytes, a mysterious class of brain cells, actively refine nerve-cell circuits by selectively eliminating synapses, much like a sculptor chisels away excess rock to create an artwork. This process is triggered by activity in neurons and persists into adulthood.
Seven Texas A&M faculty members have been recognized by the American Association for the Advancement of Science (AAAS) for their contributions to various fields. They include Nancy M. Amato, Perla Beatriz Balbuena, Raymond J. Carroll, Jonathan C. Coopersmith, Bani K. Mallick, H. Joseph Newton, and Matthew S. Sachs.
A Web First article by Health Affairs explores Shanghai's cutting-edge health care reforms and their successes and challenges. The study also reveals that the United States has the most complex insurance system among eleven countries surveyed, making it difficult for citizens to access care due to cost and time-consuming complexities.
A review of research suggests that video game play can enhance cognitive skills such as spatial navigation and problem-solving. Playing video games is also found to promote relaxation, reduce anxiety and improve emotional resilience in children. Additionally, gaming communities provide opportunities for social interaction and cooperation.
A collaborative team, led by Prof. Mark Williams, reveals how the APOBEC3G protein forms a roadblock to prevent HIV replication, offering new avenues for HIV therapy and drug development.
John Jelesko, an associate professor of plant pathology and physiology at Virginia Tech, has been recognized as an AAAS Fellow for his distinguished contributions to the field of plant specialized metabolism. His research has led to a better understanding of plant metabolism with significant implications for the pharmaceutical industry.
Researchers from Max Planck Institute for Ornithology found that friendly labels reduced interaction with equipment, with 40% less interference compared to neutral or threatening labels. The study suggests that friendly messages could minimize the number of incidences of vandalism and theft.
Scientists have engineered B cells to synthesize and deliver microRNA, a non-coding RNA that can be used to introduce or inhibit specific proteins. This achievement may lead to new therapeutic applications, including vaccination and cancer treatment.
A new method combines high-throughput DNA sequencing and computer analysis to produce reliable maps describing contacts between genes along individual chromosomes. The results suggest that the arrangement of genes on chromosomes is modular and based on their functions, with active genes exposed at chromosome boundaries.
Researchers at Clemson University identified two regions in the chicken genome associated with congenital deafness and spine deformities in humans. The Araucana breed's unique ear tufts and rumplessness provide a model for studying human genetic mutations.
Researchers found a sharp downward trend in ear infection visits between 2004 and 2011, coinciding with the advent of PCV-13 vaccine in 2010. This trend was most pronounced in children under 2 years old. The study suggests that medical interventions, especially vaccines, have reduced the burden of otitis media in US children.
A study by researchers at Henry Ford Hospital found that while minimally invasive nephrectomy is gaining popularity, it still accounts for less than 10% of pediatric kidney surgeries. The majority of procedures are performed on children under age one and those with benign conditions.
Researchers have discovered a rare genetic variation that increases triglyceride levels, contributing to the risk of heart disease and other disorders. The ApoE R145C variant is estimated to affect up to 36 million sub-Saharan Africans worldwide.
A new study found that increasing cropping frequency could boost global food production by up to 44% on existing agricultural lands. Harvest gaps, the difference between actual and maximum potential harvest frequencies, are highest in Africa, Latin America, and Asia.
Researchers studied the release of genetic material from viral capsids into host cell nuclei, finding that highly ordered DNA strands exit faster than tangled ones. The study's findings have implications for designing artificial viral vectors and understanding complete DNA stalling in experiments.
Researchers discovered Sox4 as a potential therapeutic target and histone deacetylase inhibitors as candidates in the treatment of AML. The studies also found that targeting Sox4 effectively perturbs major leukemogenic phenotypes and reactivates expression of genes responsible for blocking growth of healthy blood cells.
A new study reveals that US organ procurement organizations' implementation of First Person Authorization (FPA) has been inconsistent and incomplete. Despite legal backing from state laws, half the groups surveyed did not have a written policy for handling family objections.
Bing Ren has been awarded the distinction of Fellow by the American Association for the Advancement of Science (AAAS) for his outstanding contributions to genome-wide analysis and understanding of human disease. He is a member of the Ludwig Institute for Cancer Research and has directed various projects, including the Roadmap Epigenome...
A study published in the Journal of Clinical Investigation reveals that type 2B von Willebrand disease is associated with platelet dysfunction. Researchers found that a mutation in the von Willebrand factor protein can inhibit platelet activation and promote thrombocytopathy.
Tropical Cyclone Alessia made landfall in northern Australia as a weak storm, with NASA's TRMM satellite capturing mostly light rain and moderate rainfall. The cyclone dissipated quickly after crossing the Northern Territory coast, causing no damages or significant impacts.
Einstein-Ferkauf researchers have been awarded a $2.5 million NIH grant to develop a telephone-based approach to improving diabetes self-management and treatment outcomes in primary care. The program aims to reduce complications, emotional distress, and improve medication adherence among patients with type 2 diabetes.
Researchers at TUM have devised a scheme that wrings provably strong security out of the physical layer, preventing eavesdroppers from receiving transmitted information. The approach uses two useless frequency bands to 'super-activate' the system and achieve positive capacity for secure communication.
Mayo Clinic researchers found that improved mood is associated with increased participation in daily activities and independent living after brain injury rehabilitation. The study suggests a holistic approach to care can address both physical and personal problems, leading to better outcomes for patients.
A study of over 30,000 women in Ireland found that private patients were more likely to have a C-section or surgical delivery, with rates twice as high for planned C-sections. The disparities remained after adjusting for social and medical factors.
A new study published in PNAS found that total US methane emissions may be 50% higher than government estimates, with large discrepancies in the south-central region. The study's findings have implications for national and state greenhouse gas reduction strategies.
A recent study by Uppsala University researchers mapped nearly 90,000 ERVs from 60 host genomes, revealing a host reservoir for one group of retroviruses with rampant host switching throughout history. This finding adds credence to the possibility that many additional retroviruses may remain to be discovered in vertebrate species.
A study of 200 urban areas in eleven European countries found that one in every three cities has no plans to reduce greenhouse gas emissions, while seven in ten have no formal adaptation plans. Cities are crucial in addressing climate change due to their significant emission contributions and vulnerability to climate hazards.