A study by Harvard Medical School researchers reveals that the immune system protein paired-immunoglobulin like receptor-B (PirB) inhibits neuronal plasticity in adult mice, while a deficiency in PirB leads to enhanced plasticity throughout life. This discovery has important implications for future studies and repairs of the brain.
Researchers identified PTEN as a key regulator of Treg responsiveness to IL-2, enabling their proliferation and maintaining suppressive function. This discovery could provide a way to overcome the major challenge of harnessing Tregs for autoimmune disease treatment.
A study projects ischemic stroke costs to reach $1.52 trillion from 2005-2050, with African Americans and Hispanics facing higher costs. The American Academy of Neurology urges Congress to increase NIH funding to halt the impending epidemic and save lives.
Researchers discovered that the brain's endocannabinoid system provides 'on-demand' protection against seizures by modulating glutamatergic transmission in neurons. The study suggests that this system might be a prime target for drugs against epilepsy and neurodegenerative diseases.
Despite recent atrocities, British hospitals remain poorly prepared for major incidents, with many lacking clear plans and regular rehearsal schedules. The survey found that only 54% of doctors were clear about their role in responding to a major incident, highlighting the need for improved preparation.
A study found that African Americans with hepatitis C infection experience a lower response rate to peginterferon alfa-2a and ribavirin combination treatment compared to Caucasian Americans. The racial difference in viral responses was seen as early as the fourth week of treatment, with African Americans having a significantly lower su...
Northwestern University has received a four-year, $4.9 million grant from the Bill & Melinda Gates Foundation to develop and produce affordable diagnostic devices for infectious diseases. The team will focus on two targeted products and work with commercial collaborators Abbott and Inverness Medical Innovations to improve test systems.
Blood alcohol levels above legal limits increased significantly among emergency care patients, with a 113% rise in lab tests from 1999 to 2004. The number of intoxicated women doubled, while men consistently outnumbered women across all age groups.
Nickitas Georgas, a Ph.D. candidate at Stevens Institute of Technology, has won the ASBPA 2006 Education Award for his research on operational coastal wave forecasting models. The award includes a $500 cash stipend and recognition for furthering coastal or riverine systems science.
A team of researchers discovered a novel RNA gene in the human genome that is rapidly evolving and plays a crucial role in brain development. The gene is transcribed into RNA in the brain and its changes are associated with schizophrenia and other mental disorders.
A new study finds that a community-driven approach to distributing anti-AIDS medications is more equitable and effective than traditional top-down methods. Patients treated through this model showed significant increases in CD4 counts, indicating improved immune system function.
A recent study has found that crenarchaeota, a group of single-celled microbes, are the Earth's most abundant land-based creatures capable of oxidizing ammonia. This discovery challenges the long-held belief that bacteria were solely responsible for nitrogen cycles.
Studies have mapped brain regions and feeding cycles, but this study records neuronal activity across a full cycle of hunger-satiety-hunger. The researchers found that populations of neurons change their activity over the different phases of a feeding cycle, reflecting the physiological state of the animals.
Physicist Andrei Lebed has discovered exotic superconductivity where electron pairs exhibit both rotating and non-rotating behavior, breaking down conventional symmetry laws. This phenomenon is observed in strong magnetic fields and has significant implications for our understanding of quantum mechanics.
A small study found that TV effectively reduces kids' pain scores, with passive distraction being more effective than active distraction. Watching TV increases children's pain tolerance, making it a useful tool for minor procedures.
A large-scale haplotype-mapping study aims to identify genetic factors that enable some HIV-infected individuals to suppress viral replication without treatment. The study, known as the Elite Controller Collaborative Study, hopes to develop a first-generation HIV vaccine that can successfully suppress viral levels.
A study has found that a specific gene linked to brain development in humans differs dramatically from its counterpart in chimpanzees. The gene, called HAR1, has undergone significant changes over the past five million years, with 18 of its 118 letters changing between humans and chimps.
Estimated costs of ischemic stroke in the US will exceed $2.2 trillion by 2050, with non-Hispanic whites facing a cost of $1.52 trillion and African Americans facing a higher per capita cost of $25,782. The study highlights ethnic disparities in stroke-related healthcare access and outcomes.
A newly discovered gene, HAR1F, has undergone accelerated evolutionary change in humans and is active during critical brain development stages. The gene's role in cerebral cortex development and expansion during human evolution remains speculative but exciting.
A new study by UC Berkeley researchers found significant differences in disability rates between people of different income levels, even among those at the higher end of the spectrum. Those living above 600% of poverty had elevated odds of disability compared to their counterparts at 700% and higher.
A new study predicts that the US will spend $2.2 trillion on stroke care over the next 45 years unless preventive measures are taken. The highest costs will be for African American and Latino patients, who suffer strokes at younger ages and receive poorer-quality care.
A study of 49 patients diagnosed with West Nile fever found that half experienced ongoing health complaints, including fatigue, memory problems, and depression, similar to those who had more severe forms of the disease. The research suggests that West Nile virus may cause a spectrum of illness and damage to the brain.
The Wisconsin Emerging Scholars in Computer Science (WES-CS) program at UW-Madison is working to increase diversity in the field by recruiting underrepresented groups of freshmen and implementing parallel team-learning techniques. The program has seen success with its 'First-Year Interest Group' and innovative 'Digital Divide' course, ...
Researchers at FSU have identified a key component in cell polarity formation in fruit fly eggs, which also play a role in human diseases like muscular dystrophy and some cancers. The study's findings could lead to a better understanding of how cell-to-cell communication occurs in other types of cells and organisms.
Scientists from the University of Florida have found that ordinary human brain cells can generate new brain tissue in mice and produce large amounts of new brain cells in culture. This discovery could potentially be used to fight Parkinson's disease, Alzheimer's disease, stroke, and other brain disorders.
Researchers used MRI scans to identify white matter and gray matter abnormalities in pre-term infants' brains, predicting risk of cognitive delays, cerebral palsy, and other neurodevelopmental challenges. The study found that nearly half of children born prematurely suffer some form of developmental delay.
MRSA is the most common cause of skin and soft-tissue infections among patients presenting in emergency rooms across the country, according to a UCLA study. The infection was found to be resistant to commonly used antibiotics, emphasizing the need for clinicians to culture infections and prescribe effective medications.
The IAU draft definition of a planet, which includes eight classical planets, three new 'plutons,' and Ceres, has been reached after two years of work. The definition states that a planet must be in orbit around a star and have sufficient mass to assume a hydrostatic equilibrium shape.
A recent study found that acid exposure triggers an enzyme, NOX5-S, leading to increased hydrogen peroxide production and DNA damage in cells. This process may contribute to the development of esophageal cancer.
Scientists have discovered large, rotating disc galaxies that formed on a rapid time scale, just 3 billion years after the Big Bang. These findings reveal unprecedented details about the anatomy of these distant proto-disc galaxies, including their gas motions and star formation rates.
A study by Penn State researchers found that breaks in hibernation may be an evolutionary mechanism to combat bacterial infections. Regular wake-ups help animals avoid serious infection while minimizing energy loss.
A recent study found that autism is a global disorder affecting how the brain processes information, particularly when it becomes complicated. The study discovered that individuals with autism perform well in basic functioning tasks but struggle with complex tasks involving sensory perception, movement, and memory.
Researchers discovered that brain neurons combine economic value and spatial information to control decision-making behaviors, contradicting the previous pure economic view. This study has implications for understanding human disorders such as addiction, depression, and obsessive-compulsive disorder.
A study led by Rutgers College of Nursing faculty members will investigate the association between the nursing work environment and nurse-reported patient outcomes. The survey aims to gather data from 2,000 registered nurses practicing in dialysis centers across the US, focusing on adverse events and burnout.
A pivotal clinical trial has found idursulfase effective in treating underlying enzyme deficiency in patients with Hunter syndrome. Weekly infusions of the enzyme replacement drug have been shown to improve symptoms such as joint stiffness, breathing difficulties, and coarsening of facial features.
Florida State University geography Professor Mark W. Horner is developing new spatial models for disaster relief using satellite images and GIS to improve the allocation of disaster relief goods. His research aims to reduce errors in assessments and provide more accurate representations of factors such as response and travel time.
Young children's future choices are influenced by their current desires, according to a new study. Researchers found that when given the option of pretzels or water now and tomorrow, three- to five-year-olds' preferences were shaped by their immediate needs, rather than their long-term goals.
A new study suggests that low-risk prostate cancer patients are being overtreated with aggressive therapies such as radiation and surgery. Waiting for treatment to be necessary may improve patient outcomes and reduce unnecessary harm.
A UK study found that bank loan officers' biased gender perceptions affect lending decisions for female entrepreneurs. The research suggests changes are needed in training for bank employees and women entrepreneurs to address these biases.
The International AIDS Vaccine Initiative proposes new scientific and policy initiatives to accelerate AIDS vaccine development, fostering capacity building in developing countries. The Blueprint highlights the need for a dynamic global research and development program with clear spending targets and equitable financial burden-sharing.
The COBE experiments confirmed the universe was born in a big bang, shedding light on its structure. Variations in the CMB revealed tiny but regular temperature fluctuations that exist everywhere in the cosmos.
A new study finds that drinking carbonated soft drinks is not linked to esophageal cancer or cardia adenocarcinoma. Additionally, bortezomib has been shown to inhibit the growth of neuroblastoma cells, a childhood tumor type.
Research by Professor Mary James and the Teaching and Learning Research Programme found that teachers are unhappy with the pressures of high-stakes exams and tests, which prioritize targets over teaching for learning. Only 20% of teachers felt able to put effective teaching for learning before meeting performance targets.
Researchers found children with autism have abnormal blood vessel function and high levels of oxidative stress, which may contribute to the disorder's symptoms. The study suggests that targeting this imbalance could lead to new therapies for autism.
A small subset of glioma cells expressing higher levels of VEGF promote tumor blood vessel formation, making them a potential target for new therapies against intractable brain tumors. Targeting these cancer stem cells may block angiogenesis and prevent tumor growth.
Ghrist's technique involves replacing a complex physical system with an abstract space for easier analysis. He can then use algebra and calculus to break down the abstract space into pieces, figure out their structure, and reassemble them to gain insight into the physical system.
Scientists at Harvard University have recalculated the fine structure constant, a fundamental force that governs the electromagnetic interaction between charged particles. The new value suggests that atoms are slightly looser than previously thought, with an improved measurement accuracy of six times better.
The SWAN system uses robotic technology and auditory signals to guide users through unknown territory, providing real-time audio cues to aid the blind and firefighters. Researchers have developed a wearable computing system consisting of a small laptop, tracking chip, and bone-conduction headphones.
Researchers from Sandia National Laboratories tested the system during a series of games, achieving broad coverage of over 40 different chemicals using multiple detection technologies. The Rapidly Deployable Chemical Detection System offers a fast and potentially lifesaving capability to event managers, providing swift protection again...
Researchers found that younger women with breast cancer are at risk of experiencing more chemotherapy-related serious adverse effects, including fever, infection, and low blood cell counts. These adverse effects can lead to hospitalizations, emergency room visits, and increased healthcare costs.
Researchers compared two commonly used antidepressants, nortriptyline and sertraline, to determine their effectiveness in treating postpartum depression. The study found that both drugs were effective in reducing depressive symptoms, with no significant differences in response rates or side effects.
Researchers found that loblolly pines growing under elevated carbon-dioxide concentrations fared better during and after a major ice storm than those with current levels. The study suggests that forests may suffer less damage during each ice storm event in a future with higher atmospheric CO2.
The NIH is providing funding for cutting-edge research equipment to advance biomedical research and increase knowledge of the underlying causes of human disease. High-end instruments supported include supercomputers, nuclear mass resonance spectrometers, magnetic resonance imaging systems, and cryo-electron microscopes.
A study by University of Georgia doctoral student Matthew Harrison found that dark-skinned black applicants were less preferred than lighter-skinned counterparts with similar qualifications. This 'colorism' in hiring is rooted in societal perceptions associating light skin with attractiveness and intelligence.
A new study found that variations of the OLIG2 gene are strongly associated with schizophrenia. The gene plays a crucial role in myelin production and is coordinated with other genes involved in myelination and schizophrenia development. This causal link may help researchers develop new therapeutic targets for the debilitating illness.
Scientists found that massive erosion of the Alps was triggered by a sudden drop in Mediterranean Sea levels and prolonged warmer climate. The event, known as the Messinian salinity crisis, carved deep valleys and left behind lakes, reducing the mountain range's size over millions of years.
Researchers found that multi-sensory training programs significantly improve low-level perceptual tasks in adults. Engaging both vision and hearing can produce speedier learning and suggest modifications to adult perceptual systems.
A Stanford study found that boosting neuropeptide Y levels in the thalamus and hippocampus can reduce seizures. Researchers discovered that valproic acid increases neuropeptide Y production by 50% in these areas, offering a potential new approach to treating epilepsy with fewer side effects.
Researchers found that young women with asthma are twice as likely to experience symptoms of obstructive sleep apnea compared to those without asthma. Habitual snoring was reported by about 21% of these patients, highlighting the importance of identifying high-risk groups.
Researchers and clinicians discuss key issues in dementia diagnosis, including assessment tools and genetic research. The article highlights the importance of early and accurate diagnoses for treatment and progression, as new medications become available.