Researchers are developing a strategic approach to studying metastasis, targeting the molecular and cellular players that mediate changes at future sites of metastasis. This could lead to new cancer treatments that target each step along the metastatic pathway.
Research published in the Journal of the American Dietetic Association found that individuals with higher education levels consumed diets with lower energy density and higher nutrient content. These diets were also associated with lower costs per kilocalorie, but only among women with higher socioeconomic status.
A study at Yale-New Haven Hospital found that implementing simple clinical interventions, including communication training and standardizing procedures, significantly improved maternal and newborn outcomes. The rate of adverse events decreased by 60%, while the staff's perception of safety increased by 30%.
Researchers at UT Houston have identified a single gene defect that causes thoracic aortic aneurysms, dissections, coronary artery disease, ischemic stroke, and Moyamoya disease. The study found that mutations in the ACTA2 gene can lead to increased smooth muscle cell multiplication, contributing to blocked or enlarged arteries.
The survey found that nearly half of Americans are concerned about contracting the H1N1 virus, with over half taking precautions such as washing hands or wearing face masks. Beliefs about transmission, prevention, and treatment vary, with some Americans unsure about the effectiveness of medicine or vaccines.
A bedtime routine significantly reduces problematic sleep behaviors in infants and toddlers, while also improving maternal mood and increasing sleep continuity. The study's findings highlight the importance of creating a consistent bedtime routine as a preventative measure for young children with sleep problems.
Researchers identified CEACAM6 as a key factor blocking the effectiveness of adenovirus-based therapies in treating cancer. Knocking down CEACAM6 expression increased anticancer effects in mice with human tumor cells.
The NASA Goddard Space Flight Center has achieved significant milestones, including the launch of the Lunar Reconnaissance Orbiter and the Solar Dynamic Observatory. The center is also working on future missions to study global precipitation, Mars' lost atmosphere, and dark energy.
A new study reveals that glaciers in New Zealand's Southern Alps have fluctuated frequently over the past 7,000 years, with some advances and declines not seen in the Northern Hemisphere. The research uses a refined method to date young moraines, allowing for more accurate reconstructions of glacial advances worldwide.
Engineers at Purdue University and Sandia National Laboratories have developed a technique to monitor forces exerted on wind turbine blades, enabling real-time adjustments for optimal efficiency. The system aims to reduce catastrophic damage from high winds and improve overall wind turbine reliability.
The Society of Nuclear Medicine and Molecular Imaging has published a comprehensive guide to PET scanning in cancer therapy, providing international guidelines and criteria for response assessment. The new supplement aims to improve tumor response assessment and treatment monitoring with FDG PET imaging.
Scientists at Johns Hopkins discovered that cell-to-cell contact revs up microRNA production, a key regulator of gene expression. The study found that physical contact is the critical factor influencing microRNA abundance, with increasing cell density leading to increased microRNA production in all tested cell lines.
Infants born to mothers with depression experience significant sleep disturbances from 2 weeks postpartum until 6 months of age. The study suggests that maternal depression may affect infants' sleep patterns and increase the risk of developing early-onset depression in childhood.
A new study analyzed dietary factors and found that a combination of key nutrients and low-glycemic index foods can reduce age-related macular degeneration (AMD) risks. Additionally, research highlights the cost-effectiveness of glaucoma treatment in improving vision quality and quality of life.
Gary Conrad's research on cornea development has led to knowledge that could improve LASIK surgery by strengthening the stromal flap and allowing it to permanently bind back to the cornea. The lab group is testing a possible solution using riboflavin and UVA light.
Research at Boston University School of Medicine found that prenatal cocaine exposure may compromise selective areas of neurocognitive development during middle childhood. The study suggests the possibility of 'sleeper effects' of IUCE, which may become more apparent with greater cognitive demands.
A landmark USGS study documents the process of methylmercury formation in the North Pacific Ocean, which contaminates tuna and other seafood. The study shows that long-range transport of mercury from Asia is a significant pathway, highlighting the need for reduced mercury emissions to protect public health.
A University of Minnesota study found that high school biology teachers significantly impact college students' acceptance of evolution and questioning of creationism. About two-thirds of students reported their high school classes included evolution, while one-third did not cover either evolution or creationism.
Researchers tested two dolphins' cognitive performance after 5 days of continuous auditory vigilance, finding no signs of sleep deprivation. The dolphins remained alert and responsive to both sound and visual stimuli throughout the 120-hour experiment, with their blood showing no physical signs of fatigue.
Chronic ankle pain is a common issue that may not resolve on its own after an initial injury. Tendon injuries to the peroneal tendons are now recognized as a possible cause of chronic pain. Early diagnosis and treatment can alleviate symptoms, and imaging techniques like MRI or ultrasound can help identify the condition.
Researchers at the University of Exeter found that individually-tailored emotional support improved sports performance by an average of 1.78 shots per round in professional and amateur golfers. The study provides evidence for the significant impact of social support on athletic success.
A study published in the Journal of Bone and Joint Surgery found that 96 percent of cementless metal components remained securely fixed in place after 20 years. The implants showed promise, especially for younger patients, but wear-related problems were more common among those under 60.
Researchers studied brain electrical activity and blood flow during caffeine withdrawal, finding increased brain blood flow and changes in EEG that relate to common withdrawal symptoms. The study also showed no net beneficial effects of chronic caffeine administration.
A new UAB study reveals that prisoners with positive social support networks are more likely to maintain their religious convictions. The research, conducted in-depth interviews with 63 inmates at the Mississippi State Penitentiary, found that social support played a crucial role in helping inmates cope with prison life.
Researchers at Ohio State University validated a method to measure variations in histones, promising biomarkers for chronic leukemia diagnosis and treatment response. The study accurately detected differences in histone composition between CLL cells and healthy B lymphocytes.
Researchers have identified a genetic variant that impairs communication within the brain, increasing the risk of schizophrenia and manic depression. The study found altered brain activity patterns, particularly between the dorsolateral prefrontal cortex and other regions.
The Smart Charger Controller automatically recharges electric vehicles during times of least cost to the consumer and lower demand for power. Widespread use of these devices could help advance a smart power grid and reduce the nation's dependency on oil.
A new study analyzed dialogue between neurologists and epilepsy patients, revealing significant gaps in communication. Discussions of mood- and behavior-related topics occurred in only 22% of visits, while 57% of patients reported issues post-visit that physicians were not aware of.
The study reveals startling diversity in Africa, shared ancestry among geographically diverse groups, and traces the origins of Africans and African Americans. The research team mapped ancient migrations and determined that modern humans exited Africa near the middle of the Red Sea.
Lisa Mauer, a Purdue University researcher, has developed an inexpensive and rapid method for detecting melamine in infant formula using infrared lasers and light spectroscopy. The technique can identify trace amounts of melamine at one part per million, significantly reducing the risk of contamination.
Researchers discovered that Mexicans are more outgoing and talkative in daily life, spending more time in groups and outdoors, while Americans prefer solo interactions. This difference can be attributed to interdependent vs independent cultural selves.
Researchers successfully transform human skin cells into mouse muscle cells and vice versa, providing insight into cell specialization and potentially bypassing stem cells. This breakthrough may lead to novel treatments for diseases by directly generating necessary cells.
Researchers at Thomas Jefferson University found that invagination of the pancreas into the small intestine after pancreaticoduodenectomy lowers the rate of pancreatic fistula. The study compared two reconnection procedures and showed a significant reduction in fistula development with invagination.
Researchers investigate how work-related stress affects family life, assessing stress levels through saliva samples and daily diaries. The study aims to improve the physical and psychological well-being of managers, employees, and their families.
Researchers discovered a genetic variant that can predict patients' risk of developing shock and kidney failure after heart surgery. Patients with the 'LL' gene variant are more likely to experience these complications and may not respond well to standard treatments, highlighting the potential benefits of personalized medicine.
A NASA study estimates that climate change fuels Asian wildfires, increasing carbon dioxide emissions by a factor of 10 during dry El Niño years. The research used satellite data and computer models to analyze the impact of drought on fire spread and intensity in regions like Malaysia, Indonesia, and Papua New Guinea.
A new study found that women with arthritis are more likely to leave the workforce, while men may be more likely to remain working and report negative experiences. The study analyzed data from over 9,000 individuals aged 25-64 and found that greater education was associated with being in the labor force for both men and women.
Researchers suggest using a small stockpile of a secondary antiviral drug to delay the development of resistance to primary drugs in flu pandemics. By treating only 1-1.5% of the population with a secondary drug, resistance to primary drugs can be substantially reduced.
Research suggests that women with actively managed asthma are as likely to have healthy pregnancies and babies as those without asthma. The study recommends comprehensive approach to management and treatment of asthma during pregnancy, including assessment, medication management, and patient education.
A new synthetic chemical, pyrabactin, has been identified as a potential solution for crops facing drought. The compound activates the ABA signaling pathway, helping plants survive in water-scarce conditions. Researchers at UC Riverside have developed a stable and easy-to-make chemical strategy to improve plant resilience.
Fertilizing grasslands increases productivity but decreases plant diversity by intensifying competition for light, allowing faster-growing species to outcompete others. Artificially added light can counteract these effects, suggesting that controlling nutrient enrichment is crucial for conserving biodiversity in managed grasslands.
Patients with very mild Alzheimer's disease can rely on implicit memory processes to support successful recognition of pictures, but struggle with word-based recall. Researchers hope to develop strategies that leverage implicit memory to improve learning and independence in patients with AD.
Jindong Chen, a VARI researcher, has been awarded the AACR Scholar-in-Training Award for his presentation on Birt-Hogg-Dubé (BHD) syndrome and its relation to kidney tumors. This award recognizes groundbreaking cancer research and is highly competitive among applicants.
Scientists have discovered a previously unknown, massive impact basin named Rembrandt on Mercury's surface. The 700-kilometer-wide basin is younger than most other known impact basins and features unique tectonic landforms that formed after volcanic flows filled it.
A new study suggests that adding a steroid drug to multiple sclerosis (MS) treatment can significantly reduce disease activity. Researchers found that participants who received both the steroid and interferon beta-1a had 38% fewer relapses than those receiving only the interferon drug.
A brief intervention program boosted the number of women performing breast self-exams by tenfold, with 59% participating in adequate exams after one year. The program's success highlights the potential for simple interventions to improve health behaviors.
A multidisciplinary study using NASA's electronic nose found that it can detect odour differences between normal and cancerous brain cells, opening up possibilities for new diagnosis and treatment methods. The device has shown promise in detecting cellular trafficking, brain cancer metastasis, and stem cell migration.
Researchers found goldfish exhibit reflexive and cognitive pain responses, displaying fear and anxiety after painful stimuli. The study suggests that fish consciously perceive pain and change behavior afterward.
A study of over 8,000 people found that higher blood levels of folic acid were associated with fewer reported allergies, less wheezing, and a lower likelihood of asthma. The researchers recommend further studies to confirm their results and establish safe doses.
Researchers at UCSF found that anal human papillomavirus (HPV) is associated with a higher risk of new HIV infection in previously HIV-negative men who have sex with men. The study suggests that HPV enhances susceptibility to HIV infection through anatomical and immunological mechanisms.
Researchers at Sandia National Laboratories have created a device that can detect the entire visible spectrum of light using carbon nanotubes. The device uses chromophores and single-walled carbon nanotubes to trigger nerve impulses, enabling detection of colors of the rainbow.
The Oriental Institute at the University of Chicago is using modern technology to digitally record thousands of ancient Persian Empire tablets. The project, supported by a substantial grant from the Andrew W. Mellon Foundation, aims to record about 10,000 tablets and fragments by 2010.
A study found that systemic lupus erythematosus (SLE) patients have significant olfactory deficits compared to healthy controls. Patients with more active disease and past neuropsychiatric SLE manifestations had lower total TDI scores, suggesting an immune-mediated mechanism.
A phase III study found that adding cetuximab to standard chemotherapy for non-small-cell lung cancer (NSCLC) extends survival by almost one month compared to chemotherapy alone. The treatment has been shown to target epidermal growth factor receptor, which plays a key role in tumour growth.
Scientists have successfully synthesized a soccer-ball-shaped molecule made of 60 carbon atoms, dubbed the C80 fullerene. The researchers used pentaphosphaferrocene and copper chloride as building blocks and a carborane template to form the spherical supermolecule.
A study of 75 stroke caregivers found that while caregiving can be stressful, many families report personal benefits and rewards. Caregivers reported increased appreciation for life, feeling needed, and developing a more positive attitude towards life, with only 44% reporting no strain.
The special issue of Genome Research celebrates Charles Darwin's birthday and the publication of On the Origin of Species. Researchers investigate human adaptation and evolution on a genome-wide scale, describing novel fine-scale genetic structure within and between populations worldwide.
A recent study by Brown University and the Wildlife Trust found that US wildlife imports are fragmented and insufficiently coordinated, failing to accurately list over four in five species entering the country. This lack of regulation poses significant risks to human health, food supply chains, and ecosystems.
Researchers have developed high-speed detectors capable of receiving more information at a higher key rate, making quantum cryptography more user-friendly. This breakthrough enables the transmission of theoretically secure communication over long distances.
Researchers discover organic cation transporter 3 (oct3) plays a critical role in both Parkinson's disease and drug addiction by transporting toxic chemicals into brain cells that die in patients with the condition. Oct3 helps astrocytes remove excess dopamine, leading to feelings of euphoria but also potential brain damage.