Scientists identified 25 genes expressed differently in soldier and worker termites, with workers having higher levels of cellulose-degrading genes. Soldiers had higher levels of muscle- and cytoskeleton-related genes, suggesting their large mouthparts may be linked to these genes.
Duke researchers successfully programmed DNA molecules to form patterned nanostructures, enabling precise control over molecule location and potential use in sensors, diagnostics, and nanoelectronics. The breakthrough could lead to smaller-scale devices and circuits.
Studies found that people with high-normal blood pressure already have signs of target organ damage and are at increased risk for cardiovascular death. Potassium intake was also shown to reduce the size of a stroke in an animal study.
Scientists found certain fibroblasts can transform into myofibroblasts, leading to fibrosis, and lipofibroblasts, developing into fat cells that cause thyroid eye disease. This research may lead to new diagnostic tools and treatments for diseases like fibrosis and fatty tissue buildup.
Hepatitis A vaccine boosters are unnecessary for healthy individuals, according to a meeting of experts; protective antibody amounts persist beyond 10 years after primary vaccination. Further investigations are needed for special patient groups.
The new yellow bus features alternative fuel, a low floor, and complies with the Americans with Disabilities Act (ADA), providing easy accessibility for passengers. The bus is designed to reduce dependence on foreign energy sources and protect national parks' pristine environment.
A randomized trial found that surgical decontamination (SDD) significantly reduces mortality in ICU patients by lowering antibiotic-resistant bacteria infections. SDD is recommended for patients on mechanical ventilation or in ICUs with low vancomycin-resistant enterococcus and meticillin-resistant S aureus prevalence.
Researchers Terrence Sejnowski and Simon Laughlin argue that the human brain operates as a highly efficient hybrid device capable of making sophisticated computations. The brain's long-distance communication systems have been optimized for energy efficiency through millions of years of evolution.
Researchers have created a new method that could detect diseases at earlier stages than possible now, using protein targets like PSA. The method is a million times more sensitive than conventional methods and has the potential to revolutionize cancer diagnostics and treatment.
Researchers found a significant decline in neuroblastoma diagnoses after the mandatory folic acid food fortification program was introduced. The study suggests that maternal folic acid intake may play a role in preventing this aggressive and deadly form of childhood cancer.
Researchers found cycles lasting 200, 435, 590 and 950 years that reflect changes in solar intensity and sea ice extent. The patterns match cyclic changes in solar irradiance and North Atlantic sea ice, suggesting a link between solar variations and climate.
A new book published by the University of Colorado Center explores post-disaster research and findings from 22 studies on emergency response, corporate interactions, volunteer behavior, and risk communication. The studies aim to improve public policy and disaster response in the face of terrorist attacks.
The report analyzed data from 22 countries and 42 types of cancer, showing average five-year survival rates ranging from 94% for lip cancer to less than 4% for pancreatic cancer. Regional variations were found, with some Eastern European countries having lower survival rates and western Europe performing better.
Recent soccer heading practices have been found to lead to weaker neurocognitive performance, including decline in cognitive function, verbal learning difficulties, and reduced attention span. Research suggests that even short-term heading may pose a risk factor for long-term brain damage.
A new gene mutation has been discovered for a rare form of inherited paralysis called hereditary spastic paraplegia. This breakthrough could lead to improved diagnosis and potential treatments for the condition, which affects around 20,000 Americans.
Four IU computer science projects will develop new software systems to improve weather forecasting accuracy, protect scientist data, enable grid computing participation and make biomedical instruments accessible globally. These projects aim to increase research collaboration and accessibility.
A randomized trial found that selective use of antibiotic decontamination (SDD) significantly reduced ICU deaths by 15% and overall hospital deaths by 24%, as well as infection rates with antibiotic-resistant bacteria by 16%. The study advocates for the use of SDD in patients on mechanical ventilation or in ICUs with low prevalence of ...
The NIH has awarded $51 million to fund the Autoimmunity Centers of Excellence program, which aims to develop new immune-based therapies for autoimmune diseases. This expansion will enhance interactions between scientists and clinicians to accelerate translation of research findings into medical applications.
Researchers discovered how Salmonella injects proteins into host cells that staple actin molecules together, changing the cell's structure to facilitate bacterial invasion. This complex protein secretion system allows Salmonella to manipulate host cells in unique ways, enabling it to evade immune responses.
A long-term follow-up study found that deep brain stimulation on the subthalamic nucleus improved motor scores by an average of 48% and reduced medication requirements. Younger patients with advanced Parkinson's Disease experienced sustained improvement in motor function for up to two years.
A large-scale clinical study by Nordic collaboration has provided new insights into the effects of chemotherapy in colorectal cancer. The analysis demonstrated that among 2,223 patients, those given chemotherapy as part of routine care had a five-year survival rate of 56%, compared to 49% for those treated by surgery alone.
Researchers have discovered four new genes in the most unstable part of chromosome 15 that contribute to Prader-Willi and Angelman syndromes and hereditary spastic paraplegia. These findings can expand genetic diagnosis of these diseases, including prenatal genetic counseling.
In Sweden, rectal cancer patients have seen a dramatic improvement in five-year survival rates, jumping from 50% to 60%, thanks to changes in hospital practice and quality assurance measures.
Researchers found that yeast cells experience a sudden surge in genetic changes at late-middle age, similar to humans. Genetic instability is linked to cell division cycles, not lifespan, and may explain why cancer typically surfaces later in life.
The MIT team has developed a promising catalytic converter that controls emissions and can withstand excess oxygen. By understanding the atomic-level reaction process of sulfur trioxide formation, they aim to improve fuel efficiency and reduce pollution.
Eight IU Chemistry faculty members, including Andrew Leavitt and Lisa Lewis, have been recognized for their outstanding contributions to undergraduate research. They will deliver 25-minute talks at the symposium, which also features a keynote address by Pfizer GRD Vice President Bruce Roth.
Researchers identified a bull's eye-shaped structure between white blood cells that enhances sensitivity to antigens but cuts off signaling beyond a threshold, preventing T-cell death. This adaptive control device enables the immune system to respond to signs of infection over a wide range of magnitudes.
Researchers have developed a new software tool called PathBLAST that can represent and compare protein interaction networks from different organisms. The tool uses algorithms to translate the information into a linear code, allowing for rapid comparisons of interaction networks.
A recent study highlights the need for cheaper antitoxins to treat plant poisoning in developing countries. The research found that removing an expensive antitoxin led to a significant increase in deaths, emphasizing the importance of affordable treatments.
A team of scientists will sequence a large DNA segment in soybeans and its wild relatives to identify genes for disease resistance. This step is crucial for isolating and transferring these genes to crops with enhanced disease resistance, an alternative to pesticide use.
The Department of Energy's national laboratories have received a total of 35 R&D awards, recognizing their cutting-edge technologies. The awards are shared among 11 laboratories and partner businesses and universities.
Researchers developed novel proteins that can block the activation of tumor necrosis factor (TNF), a key regulator of inflammation in rheumatoid arthritis. These modified versions of TNF are designed to prevent an immune response, offering a promising new avenue for treating the disease.
Researchers at UCSF successfully engineered a signaling protein to respond to novel inputs, mimicking the behavior of natural circuits. This breakthrough enables the creation of modular electronic components in cells, allowing for diverse circuits and behavior.
Researchers at TIGR and TCAG published the first partial shotgun-genome sequence of the dog genome, revealing similarities with human and mouse genomes. The study identified 974,400 SNPs in dogs and found that the canine lineage diverged from the common ancestor of humans, mice, and other species.
Fetal surgery for spina bifida has been shown to improve leg function and reduce the need for shunts in infants. The study found that 24 of the 47 surviving infants had better neurologic leg function than predicted, while only 20 required a shunt.
The EU's new clinical trial directive may hinder international collaborations, leading to delays in cancer treatment development. This could result in patients being deprived of life-saving treatments, as the effectiveness of new drugs would be determined solely by pharmaceutical industry-sponsored research.
A study found that health professionals who treat and study obesity are biased against overweight patients, associating them with negative stereotypes. Younger people show greater bias, while those working directly with obese patients and having understanding friends exhibit lower levels of bias.
Researchers discover that the immune synapse theory suggests the synapse is linked to both activating and deactivating T cells, with its ability to amplify signals also shutting down messages in later stages. The findings confirm key concepts in the immune synapse theory.
A study by the World Health Organization found that officially reported global vaccination coverage rates are higher than actual rates, highlighting issues with data quality. The investigation compared national data with a 'gold standard' household survey method in 45 countries between 1990 and 2000.
A study of 1,728 non-diabetic men and women found that those who engaged in regular physical activity were less likely to develop type 2 diabetes. The researchers suggest that adopting a program of moderate-intensity exercise can play a significant role in preventing the disease.
A four-year collaborative project aims to predict wildfire behavior using remote-sensing data and computer animation. The model will output a 3D 'movie' predicting fire behavior for the following hour, helping fire managers make informed decisions.
A survey of over 1,000 men and women in Germany and the UK found that there is little support for sex selection for non-medical reasons. In Germany, only 6% would take advantage of preconception sex selection, while in the UK, it was even lower at 21%. The researchers conclude that any potential gender imbalances due to sex selection a...
Researchers found that ginsenoside Rb1 can cause abnormalities in rat embryos, particularly at high doses. Pregnant women are advised to be cautious when using ginseng due to potential teratogenic effects.
Researchers discovered a peptide antigen that targets glioblastoma multiforme, a highly aggressive brain tumor. The immune system recognizes this antigen, triggering an immune response and potentially leading to longer patient survival.
A protein called huntingtin is critical for normal neuronal transportation, but a defective version causes physical blockage and binding interference, leading to neuronal damage. The study supports the hypothesis that blockage of neuronal transportation contributes to neurodegenerative diseases.
A new clinical trial led by Duke University aims to compare the efficacy of two pegylated interferon treatments for hepatitis C virus. The IDEAL trial will enroll 2,880 patients and determine which treatment results in a sustained viral response in the largest proportion of patients.
Researchers found genetic associations with blood pressure, including a SNP in adducin 2 that lowered systolic blood pressure in hypertensive individuals treated with beta-blockers. These findings may enable personalized treatment approaches to manage high blood pressure.
Researchers have discovered a novel molecular mechanism that explains why certain Hsp90 inhibitors are effective against tumor cells while being non-toxic to normal tissues. This breakthrough has significant implications for the development of targeted cancer therapies and may lead to new treatments for various types of cancer.
A study of 5,016 children with cancer found that five-year survival rates increased from 23% in the 1960s to 70% in the 1990s. However, many survivors experience long-term side effects, such as reduced growth hormone production and cardiac problems.
A recent study found a statistically significant positive relationship between stress and breast cancer, independent of potential confounding factors. Women who experienced stress had double the risk of developing breast cancer over a 24-year period compared to those with no stress.
A Pennsylvania inventory reveals that fossil fuels are the largest source of carbon dioxide, while motor vehicles contribute significantly to greenhouse gas emissions. The study also highlights the need for policy makers and others in the state to take action to reduce emissions.
Researchers found a 17% higher chance of death for every 15 points lower childhood IQ, but this difference was reduced to 12% after adjusting for socioeconomic factors. High-IQ individuals may have lived long lives due to improved health behaviors or better coping mechanisms.
A study of 2,604 children with solid tumours found a significant link between mothers' breast cancer and their child's age at diagnosis. The risk is higher for younger children and boys, suggesting hormonal disruption during pregnancy may play a role.
The National Center for Atmospheric Research/University Corporation for Atmospheric Research has been awarded $11.25 million to develop new weather forecasting tools, including the LEAD project. The tool will enable researchers to access state-of-the-art weather prediction models on demand and collaborate with colleagues in real-time.
Dominant pharmaceutical firms introduce more radical innovations than smaller counterparts, resulting in substantial financial rewards. They average a $456 million gain in stock value after product approval, significantly outperforming nondominant firms.
A new report warns that the US air transportation system is in peril due to a lack of coordination among stakeholders. The report calls for a focused national leadership and strategic vision to enable the airline industry to meet increasing travel demand.
The award recognizes journalists who raise public awareness about allergic diseases, recognize allergists as experts, and provide medically accurate information. Eligible entries must have been published or broadcast between September 1, 2002, and August 31, 2003.
A new study by ATAC found that Anastrozole enhances disease-free survival and reduces breast cancer recurrence, but increases bone fracture risk. The fracture rate peaks at 18-24 months before stabilizing, suggesting the overall benefit of Anastrozole remains
The European CanCer Organisation warns that the definition of a trial sponsor may lead to the collapse of independent clinical trials, particularly in children's cancers and rare adult cancers. Publicly funded clinical trials will be forced to stop due to financial and administrative burdens.
A Yale University study found that supported housing programs for homeless veterans were more effective than standard care in reducing homelessness. The study showed a 25% increase in nights housed and larger social support networks among participants receiving combined housing vouchers and intensive case management.