Researchers have successfully grown the mouse norovirus MNV-1 in cells from mice with defective immune systems. This breakthrough enables scientists to study the virus and may lead to the development of a vaccine target, as it has already revealed an essential part of the capsid protein crucial for disease-causing ability.
A low-density helium/oxygen mixture significantly reduces airflow limitations and lung dynamic hyperinflation in COPD patients, allowing for a substantial increase in exercise endurance time. The study found that the duration of exercise doubled from 4.2 minutes to 9 minutes for patients breathing heliox compared to regular air.
The World Health Organization's "3 by 5" initiative aims to treat 3 million HIV-infected individuals in poor and middle-income countries by the end of 2005. Critics argue that this approach overlooks prevention strategies, is cash-strapped, and lacks country ownership.
The University's involvement will upgrade primary education in Vietnam's ten provinces, with a national roll-out planned. The project aims to develop primary teachers' professional standards through improved training and quality assurance.
UT Austin researchers found that fruit fly exposure to benzyl alcohol increases slo gene activity, leading to tolerance and increased resistance. This study provides potential targets for anti-addiction drugs.
Researchers at Columbia University have identified indoprofen as a potential therapeutic candidate for spinal muscular atrophy (SMA), a neurodegenerative disease affecting thousands of children worldwide. The discovery was made using a high-throughput chemical genetics approach and involves the use of a novel analysis tool called SLIMS.
President Bush appoints Arden Bement as the new NSF director, bringing nearly 40 years of industry, government, and academic experience. As NSF director, Bement will oversee $5.47 billion in annual funding for fundamental research and education across various fields.
A new study links resistin to inflammation, insulin resistance, and obesity. Resistin levels increase in human macrophages treated with endotoxin or cytokines, suggesting a role in promoting diabetes through insulin resistance.
Researchers present a molecular portrait of aging in the human kidney using DNA microarray technology, identifying 985 age-related genes. The study suggests a common aging mechanism operates across different kidney structures and tissues.
A clinical study found that roughly half the population produces more than 98% of potentially pathogenic bioaerosols. Administration of nebulized saline can reduce droplet exhalation in high-producers for up to six hours.
Research suggests that more intense therapies lead to better remission rates and longer survival for adults with acute myeloid leukemia (AML) who have normal genetic makeup. Patients with an enlarged spleen are less likely to enter remission, highlighting the need for targeted treatment.
A new biopsy technique combining ultrasound and fine needle aspiration can reliably determine whether lymph nodes are malignant in women with breast cancer. The method allows for the identification of cancerous nodes without the need for sentinel lymph node sampling or axillary node dissection, saving patients from additional surgery.
Researchers at Michigan State University have identified a new pheromone that regulates the behavioral maturation of honey bees, keeping younger nurse bees in check until they are more mature. This discovery sheds light on the complex social dynamics within bee colonies and how older forager bees exert influence over younger bees.
The Alliance for Taxpayer Access congratulates Congress and NIH on their public access plan, which aims to make taxpayer-funded biomedical research accessible online at no extra cost. The plan's compromise approach balances publisher interests with public access, addressing the 'Fleecing of America' issue highlighted by NBC News.
Chronic stress, even in healthy women, can lead to shorter telomeres and increased oxidative stress, accelerating cellular aging. The study also found that caregivers of chronically ill children experienced more stress and shorter telomeres than controls.
Researchers have developed a treatment for urinary stress incontinence using patients' own stem cells. After a 15-20 minute outpatient procedure, many patients experience no urinary leakage within 24 hours, with increased muscle mass and contractility of the sphincter and thicker urethra.
Research using fMRI scans reveals that individuals with high-functioning autism exhibit different brain activation patterns when recalling alphabet letters, with more activity in right hemisphere and less in left.
Researchers used volumetric CT imaging to analyze the mask's composition, revealing previously unknown aspects of its creation. The study also showed internal and external damage not visible to the naked eye, which was corrected using rapid prototyping software.
A recent study revealed that nearly one-third of diabetic men suffer from hypogonadism, a condition caused by improper functioning of the pituitary gland or hypothalamus. The high prevalence of low testosterone levels in diabetic patients is concerning and associated with various health issues such as loss of muscle tone, increased abd...
Scientists found significant differences in Salmonella and E. coli's use of a gene linked to processes that govern antibiotic resistance, altering their ability to survive in different environments. The study suggests that understanding such changes will help develop new treatments for disease-causing microorganisms.
Researchers at Johns Hopkins University have developed a new molecular switch that can transform bacteria into working sensors. The device, created using a novel fusion technique, shows promise for detecting cancer cells, releasing drugs, and monitoring chemical or biological agents.
A study in the Royal Society journal explores genetic factors in social responsibility, finding that genes play a significant role in shaping attitudes. The research also examines the potential for Argentine ants to spread globally due to climate change, highlighting the importance of preventive measures.
A study using fMRI and polygraph exams found that brain activity can distinguish truthful responses from deceptive ones. The researchers created a relevant situation for normal volunteers, who showed activation in specific brain areas during deception.
Research found African-Americans had lower medical care expenditures, excused time from work, and smaller financial settlements than Caucasians. Differences were also seen with socioeconomic status, with those of lower education and income receiving less.
A new study suggests that indoprofen, a previously banned pain reliever, can increase SMN protein production in human fibroblasts by 13 percent. This increase could potentially lessen the severity of symptoms for children with Spinal Muscular Atrophy (SMA), a leading genetic cause of infant and toddler death.
A team of researchers led by Qiang Fu validated satellite temperature data for global warming using direct measurements from the stratosphere. The results show that the troposphere has warmed at nearly one-third of a degree Fahrenheit per decade, consistent with climate models and surface temperature records.
Researchers found that viral delivery of a parkin gene protected dopamine-producing neurons from degeneration, offering new hope for treating Parkinson's disease. The study demonstrates the feasibility of gene therapy in a genetic model of the disease.
A new method of paleoelevation has been developed by Jennifer McElwain at the Field Museum, allowing scientists to estimate land elevation over geological eras. The method uses stomata on leaves to determine past carbon dioxide levels and elevation, providing a more accurate understanding of climate evolution and plant animal migration.
A novel imaging technique has found abnormality of fiber pathways in frontal cortex, basal ganglia, and cerebellum in children with ADHD. This research suggests that subtle anatomical differences may be involved in the disorder, contrary to the traditional view of a chemical imbalance.
A new study by UGA researcher Rob Maier found that Salmonella uses molecular hydrogen as an energy source, expanding previous findings on major human pathogens. This discovery has profound implications for the treatment of some diseases and could lead to therapeutic interventions by targeting unique metal clusters in bacteria.
Researchers found that rifampicin stabilizes alpha-synuclein in a soluble form, preventing fibril formation and disaggregating existing fibrils. This finding suggests potential therapeutic benefits for Parkinson's disease when administered early in the disease process.
Studies using functional magnetic resonance imaging (fMRI) show that individuals with brain deficits can relearn matching visual input with sensory input. This study used fMRI and a cyber glove to demonstrate the effectiveness of remapping motor commands, a crucial step in stroke recovery.
Researchers used MDCT to analyze the skeletal remains of early colonists, revealing evidence of scurvy and confirming the ages of the deceased. The study created a digital archive of the skulls and bones, providing valuable insights into the lives of those who settled on Saint Croix Island.
Researchers design medication that corrects abnormal brain functions in targeted areas, reducing side effects found in existing medications. The new type of drug could be available within five to 10 years and has the potential to improve treatment options for Canadians affected by psychiatric disorders.
The Planaria worm is an attractive study subject due to its simple biochemistry, brain, and spinal cord, allowing researchers to study the effects of multiple drugs on withdrawal. The worms respond to dopamine, opioids, cocaine, and cannabinoids, making them a promising model for understanding complex drug interactions.
The International Census of Marine Microbes project aims to understand the diversity and distribution of single-celled organisms in the world's oceans. The project will collect data on microbial diversity, evolutionary processes, and ecological relationships, with a focus on marine microorganisms that account for 90% of ocean biomass.
A lipid called ceramide helps eliminate potentially harmful cells during brain development, improving the safety and efficacy of stem cell transplants. Researchers found that adding ceramide to embryonic stem cells reduces the risk of teratoma formation, a type of tumor.
Two Williams students, Nathan Hodas and Gerke, have won the prestigious Apker Award in physics, showcasing their exceptional academic records and research potential. The college's emphasis on student-faculty research has been credited with producing high-caliber physics majors.
A new study found that smokers who start screening at age 50 or older have a risk for developing lung cancer similar to those who smoked heavily for many years. Annual CT screening can identify high percentages of Stage I diagnoses, the most curable form of lung cancer.
The use of celebrities to market drugs and diseases is a practice that raises concerns about public health and transparency. According to investigative reporter Ray Moynihan, this practice can lead to a lack of balance in the public debate about major health problems, as well as a failure to disclose potential conflicts of interest.
ALS researchers found that continuous administration of VEGF protein into the cerebrospinal fluid increases life expectancy in ALS rats. The treatment has shown promising results with a patient-oriented approach, allowing controlled doses to be easily administered.
T cells activated during IBD found in PSC livers, re-routed by aberrant attractant protein. Long-lived memory cells may explain delayed liver disease onset after IBD resolution.