Research published in Nature Genetics reveals that marsupials and humans share an identical genetic imprinting mechanism that evolved 150 million years ago. This discovery helps determine how the mechanism works and what can be done to prevent human diseases related to genetic imprinting.
Scientists investigated the effects of long-term biosolids application on dioxin accumulation in soil and uptake by plants. The study found that dioxins were not detected in corn grains but only trace levels were found in corn stover.
A study found that 63% of children's foods made some sort of nutritional claim, including 62% with high sugar levels. Only 11% met the CSPI nutritional standards, and 34% of high-sodium products made health claims.
The Woods Institute has awarded grants to five faculty research teams to tackle global sustainability challenges. The projects include salmon farming in Chile and farmland irrigation in California, with a focus on developing solutions that can be applied beyond their immediate area of interest.
A study found that nearly 23% of patients reported experiencing complications during or after their hospital stay, compared to 11% identified through medical record review. Patient reports can provide additional important information and are particularly useful for events that occur after discharge.
A study on leatherback turtle migration patterns reveals that they respond to strong ocean currents with rapid movements to maintain their southern route. The researchers identified specific high-use areas occupied by the turtles, providing crucial information for conservation efforts.
The Society for Industrial and Applied Mathematics (SIAM) announced the winners of the 2008 Outstanding Paper Prizes, recognizing exceptional papers in applied mathematics published between 2006-2007. The prizes were awarded to three authors who made significant contributions to their respective fields.
Researchers confirm the 'divide and protect' bonding structure in metallic gold nanoclusters, finding stability due to surface-chemical bonds and a filled electron shell. The study reveals distinct electronic properties and potential applications for nanoparticle chemistry.
A recent study found high levels of IL-6 in affected individuals over a decade before nervous system symptoms began to manifest. This discovery challenges current understanding of the physiological basis of Huntington's disease and may lead to new early intervention strategies.
A new study published in Annals of Family Medicine found that optimistic perceptions of cardiovascular risk are associated with a three times lower incidence of death from heart attacks and strokes among men. However, the study did not find a similar association among women.
Researchers argue that current hospital mortality measures are limited and suggest developing new methods based on detailed clinical data to accurately assess provider performance. Investing in more comprehensive measures can help focus on specific conditions and procedures with known connections to controllable elements of care.
The NIMH CNTRICS Initiative aims to improve schizophrenia treatment by defining cognitive processes and neural circuits. Cognitive neuroscience insights are being translated into better treatments for impaired cognition in schizophrenia.
Studies found that patients with Huntington's disease have higher levels of immune-system signaling molecules, called cytokines, in their brain tissue. This suggests that the protein produced by the Huntington's disease genetic mutation is causing an overactive immune response, leading to damage to neurons in the brain.
The National Oceanographic Partnership Program (NOPP) has funded two research projects at the University of Miami Rosenstiel School to study the Atlantic meridional overturning circulation. The three-year projects will focus on understanding the circulation's impact on climate and weather patterns.
A study found that abatacept reduced flare events and improved symptoms in children with juvenile idiopathic arthritis, but its design raised questions about its true effectiveness. The treatment was well-tolerated, but the study's limitations highlighted the need for further research to establish its role in treating this condition.
Researchers are investigating new strategies for targeting the endocannabinoid system, which plays a role in pain relief and treating conditions like obesity and nicotine addiction. These studies aim to develop new drugs that can selectively target cannabinoid receptors without causing psychoactive side effects.
Six-thousand year old Jericho bones excavated by Dr. Kathleen Kenyon will be tested for tuberculosis, leprosy, and malaria to better understand disease development and transmission.
A study found that plant sterols can accumulate in aortic valves, increasing the risk of stenosis. High levels of plant sterols were linked to higher blood concentrations, suggesting a potential health risk.
A study examining anti-clotting therapy following cardioembolic stroke found that warfarin treatment appears to be safe and can begin at any point during hospital stay. In contrast, bridging with full doses of heparin or enoxaparin may carry high risk of intracranial and systemic bleeding.
Researchers at the University of Washington have developed a model for effective physician-patient communication that enhances quality of care while using time wisely. The model focuses on establishing rapport, understanding the patient's perspective, and reaching a mutual agreement on a plan, allowing physicians to be more efficient w...
The Society for Industrial and Applied Mathematics recognized student winners of the SIAM Award in the Mathematical Contest in Modeling, who presented their winning papers at the 2008 SIAM Annual Meeting. The contest challenges teams of undergraduate students to clarify, analyze, and propose solutions to open-ended problems.
Research from the University of Washington reveals that young Asian-American immigrants face higher rates of anxiety and depression due to early stressors. This study challenges traditional measures of socio-economic status, highlighting the importance of subjective social status in predicting mental health outcomes.
Children can start using mental chunking techniques from as early as 14 months old, remembering more items at a time. By grouping familiar objects together and using spatial cues, young children can expand their memory capacity.
A recent study found that people with higher physical fitness levels had larger brains compared to those with lower fitness, suggesting exercise may preserve brain function and reduce cognitive decline in early Alzheimer's disease. The study also revealed no relationship between fitness and brain changes in healthy individuals.
A study found visual impairment associated with increased suicide risk due to its negative effects on health and activities of daily living. Improved treatments for visual impairment and related health issues may help mitigate this risk.
A study found that 83% of young athletes who underwent 'Tommy John' elbow reconstruction surgery were able to return to the same or better level of play. However, the increasing trend of young athletes requiring the surgery is alarming, highlighting the need for prevention and rest to avoid long-term arm injuries.
A German research group found associations between exposure to traffic-related air pollution and the onset of allergic diseases in children. Children living less than 50m from a busy main road were 1-50% more likely to contract diseases like asthmatic bronchitis, hay fever, and eczema.
Jülich scientists have discovered the mechanism behind Parkinsonian tremor and developed a new deep brain pacemaker to disrupt it. The device influences disturbed neurons in the core region of the brain, causing irregular rhythms that break down diseased modes.
Researchers have developed an analytical method using Empirical Mode Decomposition (EMD) to classify a wider range of heart sounds than skilled physicians can. The EMD system, trained with AI algorithms, outperforms conventional methods in identifying murmurs and other anomalies.
Researchers at Washington University in St. Louis found that humans inspect objects more thoroughly when their hands are near them, indicating a new insight into brain wiring that could impact rehabilitative therapy techniques and prosthetic design.
Researchers identified 39 histone modifications and a core set of 17 associated with active genes. These combinations, known as 'backbone sets,' were found to be present in more than a quarter of promoter regions, suggesting specific meanings for specific patterns of modification.
Using an engineered virus, UCLA researchers locate prostate cancer cells in the pelvic lymph nodes, where it spreads first before invading other organs. The discovery may lead to more effective diagnostic and therapeutic approaches for advanced prostate cancer.
Researchers used fMRI scans to study children's responses to pain and found that their brains showed similar activation patterns to adults. The study also discovered additional brain regions activated when children saw someone intentionally hurt by another individual.
Researchers have discovered that a natural compound from magnolia cones can block a previously 'undruggable' pathway for cancer growth. This finding could lead to the development of new treatments by making tumors more sensitive to traditional chemotherapy drugs.
Researchers at University of Western Ontario found a link between brain ventricle size and cognitive impairment in Alzheimer's patients. They suggest that MRI scans can measure ventricle changes to provide earlier diagnosis and assess treatment effectiveness.
Rice University will establish its first Ph.D. program in sociology, focusing on Houston's social environment and its implications for modern cities. The graduate studies will integrate academic and public sociology through explorations of human society in major urban environments.
A new study by University of Illinois and Harvard University researchers found that non-parental care of infants is associated with higher rates of overweight and unfavorable feeding practices. Infants in child-care settings were more likely to be overfed or underfed, leading to weight gain.
The newly established Solar Power Laboratory aims to advance solar energy research and development while improving the efficiency of solar electric power systems. Researchers will collaborate with industry partners to accelerate the expansion of Arizona's renewable energy economy.
A study published in the journal Addiction found that sexual behavior counseling during drug addiction treatment can decrease risky sexual behavior and HIV transmission in Russian substance-dependent individuals. The PREVENT program, a behavioral intervention, was effective in increasing safe sex among participants.
A landmark study found that college environments with easy access to alcohol, weak control policies, and lax enforcement contribute to binge drinking. Colleges with restrictive policies and substance-free housing options have lower binge drinking levels.
The CSIRO report 'Fuel for thought' explores the challenges and opportunities in reducing greenhouse gas emissions from the transport sector. It suggests that Australia's fuel mix will include expanded use of diesel, gaseous fuels and hybrid electric vehicles to address economic risks associated with rising oil prices and climate change.
The UCSF School of Nursing will continue its research and training activities related to personal care services, focusing on workforce issues and improving access to services for people with disabilities. The center's work aims to provide support for individuals to live and work independently in their community.
Numerous studies have documented adverse effects of lead on wildlife, particularly waterbirds and scavenging species, due to ingested lead shot, bullets, and fishing sinkers. The use of lead ammunition remains common despite bans on waterfowl hunting, with upland game and scavenging birds continuing to be exposed.
Thomas E. Smith, associate professor of chemistry at Williams College, has been awarded a $217,710 three-year grant by the National Cancer Institute to develop new methods for synthesizing pyran-based anticancer compounds. The research will focus on natural products with promising medicinal value, including acutphycin and tedanolide C.
A mouse study reveals that sex-specific growth hormone secretion patterns mediate gender-associated differences in susceptibility to diseases caused by inappropriate thrombosis. Additionally, research identifies the protein FGF9 as a key player in prostate cancer progression to osteoblastic bone metastases.
A new study found that providing preventive treatment for malaria significantly improves the cognitive ability of schoolchildren and reduces rates of anaemia, while also revealing a link between malaria infection and reduced attention in class. IPT dramatically reduced the occurrence of malaria infection in schoolchildren.
A study found that male mice are more susceptible to blood clots due to sex-specific growth hormone secretion patterns. The researchers used a mouse model of thrombosis and discovered that pulsatile GH secretion in males protects against clot formation, while continuous GH secretion in females has the opposite effect.
Neuroscientists at Georgetown University Medical Center found that transportation of brain transcripts is essential for growth and connection between neurons, forming the basis of memory and learning. This discovery may provide clues to understanding mental retardation and overall brain functioning.
Researchers at Joslin Diabetes Center have successfully transplanted muscle stem cells into mice with muscular dystrophy, improving muscle function and replenishing the stem cell population. This breakthrough study demonstrates the potential of stem cell therapy for treating degenerative muscle diseases like Duchenne muscular dystrophy.
Researchers develop unique method to sew long DNA threads into shape using micron-sized hooks controlled by lasers, allowing for high-spatial resolution gene location detection. The technology has potential applications in DNA sequencing and molecular electronics.
Researchers at the Trudeau Institute have made a new discovery about how white blood cells are navigated to the lung airways during an influenza infection. The findings suggest that specific types of white blood cells can recognize chemical messages produced by infected lungs, allowing them to move into tissues and attack the virus.
A study published in the Journal of Advanced Nursing found that online courses can enhance knowledge and skills in infection control procedures. Healthcare professionals who took part in the course reported improved hand hygiene practices, increased glove use, and better waste disposal processes.
Researchers found that intermittent preventive treatment (IPT) for malaria lowers anaemia prevalence and improves classroom attention in children aged 5-18 years in Western Kenya. The IPT reduced the occurrence of malaria infection by half and lowered anaemia rates among children.
A study of Middle Eastern families with a high incidence of autism identified six new genes involved in the brain's ability to form new connections. The findings suggest that autism may stem from disruptions in experience-dependent learning, which is essential for learning and memory.
A new study by researchers at Children's Hospital of Philadelphia may lead to an emergency treatment for heart attack patients. By targeting gene pathways and inhibiting enzymes, the approach has shown promising results in reducing tissue damage and cell death during ischemia.
A phase III study found that pegylated interferon alfa-2b significantly improved recurrence-free survival in stage III melanoma patients, with a median treatment duration of one year. The treatment reduced the risk of recurrence by 18% and was associated with serious adverse events such as fatigue, liver toxicity, and depression.
A new solar concentrator design developed by MIT engineers could significantly increase the efficiency of solar panels and reduce their costs. By using a mixture of dyes to concentrate sunlight, the system can boost electrical power obtained from each solar cell by a factor of over 40.
Researchers at the European Synchrotron Radiation Facility have visualized air pathways in apples and pears, showing that these microscopically small structures play a crucial role in determining fruit health. The study reveals that pears are more susceptible to decay due to their smaller oxygen supply channels.
A new study measures movements smaller than one-billionth of a meter in ion channels, revealing that the voltage sensor moves by only a small amount to allow ion flow. The findings challenge models that predicted large movements of protein segments, providing new insights into the complex process of generating electrical impulses.
Researchers at EMBL generated the most precise map of genetic recombination in yeast, revealing new insights into its organisation. The study provides a wealth of information about crossover and non-crossover events, with implications for tracking disease genes in humans.