A new study found that placebos are effective in treating irritable bowel syndrome (IBS) symptoms even when patients are informed they are taking a placebo. The study involved 80 patients who received either a real treatment or a placebo, with nearly twice as many experiencing symptom relief with the placebo.
Researchers found that people with higher levels of folate in their red blood cells were more likely to have two tumor-suppressing genes shut down by methylation. Folate supplementation may lead to increased DNA methylation, potentially increasing the risk of diseases including cancer and other aging-related conditions.
Researchers have developed a new approach to searching online educational resources, enabling users to access specific prospectuses, curricula and tests easily. The approach uses focused crawling, web content classification and information extraction to pull out relevant information from the web.
Researchers at MIT's Picower Institute for Learning and Memory found that some neural sequences in mice' brains that fired during a novel experience had already occurred before the animal rested. This phenomenon, called preplay, helps encode related experiences occurring in the future.
Researchers found that business-to-business products firms and consumer services firms benefit from increased R&D spending during recessions. Consumer goods firms do not obtain positive stock returns from R&D spending, while those with high market share and low financial leverage decrease their profits with increased advertising spending.
A recent study has discovered evidence of a distinct group of 'archaic' humans existing outside Africa over 30,000 years ago. The Denisovans, as they are known, interbred with the ancestors of some modern humans and contributed 4-6% of their genetic material to present-day New Guineans.
A computer program trained on probability analysis can extract environmental information from satellite images and sensor data about ocean structures. The technology has been tested with high accuracy, offering clues on subtle changes in ocean temperature and global climate conditions.
Australian scientists discovered that changes to the SOX3 gene can lead to testis formation and male genitalia in an otherwise female embryo. This breakthrough will improve diagnosis and treatment for patients with disorders of sex development, which occur when the testes or ovaries do not develop properly.
Researchers have developed an online tool to identify gene promoters, regions that guide transcription machinery to create specific proteins. The Mammalian Promoter Database integrates genomic sequencing data with publicly available data on human and mouse genomics.
Researchers at the University of Minnesota have discovered how HIV binds to and destroys APOBEC3F, a specific human antiviral protein. By converting this protein to a more effective antiviral agent, they found that shielding of a common feature shared by related proteins may yield similar outcomes.
Research reveals that teen girls living in the most deprived areas are five times as likely to be assaulted compared to their affluent peers. The disparity is particularly pronounced for girls living in city areas, who are almost three times more likely to experience assault.
Researchers at Stanford University School of Medicine discovered that many cancer cells carry a protein called calreticulin (CRT), which signals circulating immune cells to engulf and digest them. This 'eat me' signal counteracts a separate 'don't eat me' signal, CD47, previously found in earlier studies.
A new Concordia University study published in The Physician and Sportsmedicine found that obese people are more likely to report exercise-induced asthma. This link may be an important factor in the management of asthma sufferers, particularly those with severe or persistent conditions.
Researchers at the University of Arizona have developed a way to deliver chemotherapeutic drugs to cancer tissues in controlled doses without harming healthy body cells. The gold-coated liposomes can target specific receptors on tumor cells, allowing for more effective treatment and reduced side effects.
A recent study found that diets rich in healthy foods, such as fruits, whole grains, and low-fat dairy products, may reduce mortality risk in older adults. The 'Healthy foods' cluster had a significantly lower risk of mortality compared to clusters with high consumption of unhealthy foods.
A study found that people in 'stroke belt' states, particularly African-Americans, eat more fried fish than others, contributing to a higher risk of death from stroke. The American Academy of Neurology attributes this to the loss of natural fatty acids when frying fish.
Researchers have discovered hundreds of new protein-coding genes and thousands of new non-protein coding RNAs in the fruit fly and roundworm genomes. The studies also identified specific chromatin signatures associated with the regulation of protein-coding genes, revealing how genes work in concert to produce complex biological processes.
A new study by John L. Lastovicka and Nancy J. Sirianni reveals that consumers can form strong emotional bonds with their possessions, such as cars and firearms. The researchers found that love-smitten consumers are more likely to invest time and money into improving their prized possessions.
Researchers at Georgetown University Medical Center have found an arsenic-based agent already FDA-approved for a type of leukemia may be helpful in treating Ewing's Sarcoma and medulloblastoma. The drug inhibits the hedgehog/GLI1 pathway, which is also common in other cancers.
The study found that overexpression of the Sox3 gene causes frequent XX male sex reversal, while a new regulatory pathway involving the ventral premammillary nucleus is linked to leptin's effect on puberty onset. Additionally, arsenic trioxide may be beneficial for treating certain brain tumors.
A team of IRCM researchers identified a new regulator, Miz-1, essential for the proper development and maturation of B cells. The discovery highlights the importance of the IL-7 signaling pathway for B-cell survival and maturation.
Researchers have discovered a compound that reverses some signs of aging, including oxidative stress and cognitive impairment. The study found that MZ-5-156 had positive effects on life span, telomerase activity, and tumor activity, while decreasing cancer incidence.
Specially designed probiotics can modulate host fat cells, potentially leading to specialized probiotics for obesity prevention or treatment. Ingesting live bacteria influences metabolism at remote sites in the body.
A York University study has pinpointed the part of the brain that suppresses automatic behavior, such as looking away from a facial expression. The research found an increase in signal from the left inferior frontal cortex when participants were confronted with conflicting stimuli.
Researchers from eight nations are analyzing sedimentary deposits from a 460-meter deep borehole to reconstruct the climate history of the region. The drilling project aims to provide information on past environmental changes in the Bethlehem area, including those related to early human migration.
A team of researchers found that the hormone leptin's effects on puberty onset are not mediated by kisspeptins as previously thought. Instead, leptin's signaling is relayed by a specific brain region, potentially leading to new therapeutic strategies for disorders related to puberty and fertility.
A study published in the Journal of Clinical Investigation has found that a brain gene called SOX3 can be activated to trigger male development in mice without a Y chromosome. This discovery has implications for understanding disorders of sexual development and may lead to new treatments.
A new study by Nailya Ordabayeva and Pierre Chandon reveals that increasing equality decreases consumer envy, but also boosts status spending among bottom-tier consumers. In experiments, participants were more likely to spend money on purchases that would improve their social standing when the distribution was less equal.
Researchers found that endothelin-A receptor antagonist drugs only reduce tumor growth at metastasis sites, not large tumors. These drugs block the action of protein ET-1, which stimulates cancer cell growth and spread.
Native pollinators such as wild bees and wasps infected with RNA viruses, transmitted via pollen. Viral diseases may impact pollinator populations and ecosystem health.
Researchers successfully transplanted cord blood-derived cells into a severely brain-injured child, showing improvement after six months. The study found that the cells persisted in the brain hemisphere and improved functional neurological impairment.
A study of CAM treatment in children found that adverse events were common and often related to CAM use; 64% of cases were rated as severe or life-threatening. The authors suggest empowering families with discussions about medication changes, but note that many parents continue to use CAM despite medical advice
Researchers at Mayo Clinic have identified a gene variant that appears to protect against frontotemporal lobar degeneration (FTLD) in high-risk individuals with progranulin mutations. The study found that carrying two copies of the protective TMEM106B allele delays or prevents FTLD onset, suggesting it may increase progranulin levels.
A joint project between Iowa State University and Goodrich Corp. aims to develop advanced flow diagnostic tools for fuel nozzles in jet engines. The research uses techniques such as particle image velocimetry and molecular tagging velocimetry to analyze the uniformity, direction, temperature, and density of fuel droplets.
A study published in Neurology found that eating fried fish in the stroke belt states of Alabama, Georgia, and others is associated with a higher risk of stroke. The study suggests that omega-3 fatty acids in fish may reduce stroke risk, but frying destroys these nutrients.
A team of researchers has determined that overexpression of the Sox3 gene in mice causes frequent XX male sex reversal. Genomic rearrangements in the human SOX3 gene have been found in three patients with XX male sex reversal, suggesting a significant cause for this condition.
A comprehensive analysis of the Drosophila genome reveals new genes, alternative splicing forms, and complex chromatin organization. The findings provide a foundation for in-depth functional studies and apply to understanding genomes across all organisms.
Dr. Paul Anastas, known as the 'Father of Green Chemistry,' will discuss the importance of sustainability principles in business operations. The conference focuses on sustainable technologies and practices, including water reuse, natural resource management, and product life cycle assessment.
Dr. John Wood will investigate energy production mechanisms in red blood cells to determine if glutamine supplementation improves physiology in athletes with sickle cell trait. The goal is to develop an easy and safe therapy to incorporate into athletic training regimens.
Research finds that menthol cigarettes are more challenging to quit for certain groups, including teenagers and African-American smokers. Economic pressures may contribute to this difficulty as less affluent smokers are forced to consume fewer cigarettes, leading to increased nicotine intake from each cigarette.
A recent study published in Pain found that cancer patients who smoke experience greater pain than nonsmokers, with increased pain severity and interference with daily activities. Quitting smoking may reduce pain over time, suggesting a potential benefit for cancer patients.
Researchers found that polar bear populations could decline by two-thirds by mid-century, but emissions reduction can mitigate this. Sea ice habitat won't face a catastrophic 'tipping point' under mitigation scenarios.
A new study suggests that the presence of tumor cells in the circulating blood of patients with squamous cell cancer of the head and neck may predict disease recurrence and reduced survival. The study found a correlation between an increasing number of circulating tumor cells (CTCs) and a worse outcome.
A recent study by Queen's University researcher Niko Troje reveals that the way people perceive the Silhouette Illusion is not determined by personality or brain type. Instead, the viewer's angle of view plays a crucial role in shaping their perception of the spinning woman.
New research suggests that a large number of high-production-volume chemicals used in US industries are likely to persist in post-treatment sludge and enter the environment. Eleven chemicals were identified as potential hazards to human and environmental health due to their propensity for accumulation and persistence.
Researchers at Cold Spring Harbor Laboratory have made a breakthrough in understanding how neural circuits self-assemble. By observing the formation of inhibitory synapses, they found that GABA transmission regulates synaptic adhesion. The discovery sheds light on neurodevelopmental disorders such as autism and schizophrenia.
The Biophysical Society has announced the winners of its 2011 Student Travel Awards, recognizing 11 student researchers for their scientific merit and potential. The awardees will present their research at the 55th Annual Meeting in Baltimore, Maryland, and receive a travel grant.
Researchers found that patients who developed immune reconstitution inflammatory syndrome (IRIS) after starting HIV therapy had specific biomarker patterns in their blood. The study suggests that prediction of IRIS or death may be possible with measurement of pre-antiretroviral therapy serum biomarkers.
A study suggests that adding a shear-thickening polymer like cornstarch to drilling mud could suppress instability, allowing the mud to sink and stop the leak. Physicist Jonathan Katz's idea was initially rejected by BP, but experiments show it might have worked.
The article presents a set of 10 guiding principles for health systems strengthening developed from a comprehensive review of the literature and consultation with experts. These principles aim to establish a common foundation for future discussions and strategies in global health systems strengthening.
The study found that earlier initiation of antiretroviral therapy increased 5-year survival from 80 to 87% and showed substantially improved early clinical outcomes. In settings where ART initiation at 350/μl is already available, switching stavudine to tenofovir offers clinical benefit and is less costly than adding second-line regimens.
A study in rural Nepal found that prenatal iron and folic acid supplementation was positively associated with improved intellectual ability, executive function, and motor skills in children. The research suggests that antenatal micronutrient use can have long-lasting benefits for child development.
Survival rates for breast, ovarian, colorectal, and lung cancer are higher in Australia, Canada, and Sweden compared to the UK and Denmark. International differences narrowed for breast cancer, but significant disparities remain in other cancers.
The Journal of Computational Science Education (JOCSE) promotes the use of computation in education, disseminating unique uses of computation in the classroom. The journal utilizes internet technology to allow for enhanced interactivity and provides an outlet for high-quality papers describing successful computational science instructi...
Researchers from UNH found nitrous oxide emissions from global rivers and streams to be three times previous estimates, with waterways contributing significantly to human-caused nitrous oxide emissions. The study highlights the need for continued scientific research on drivers of climate change and potential solutions to reduce emissions.
The Berkeley Lab will work with China to implement energy-efficient practices, such as turning computers around and reducing mechanical cooling. By sharing best practices and case studies, the goal is to reduce carbon emissions and improve the industry's energy performance.
A new system using electronic health records significantly improves primary care physicians' performance and the health of patients with chronic conditions. The program boosts preventive care in vaccinations and cancer and osteoporosis screenings, increasing rates by up to 10 percentage points.
Researchers have discovered new triploid plants of Miscanthus species in Japan, which could improve the biofuel industry by providing alternative feedstocks. The new hybrids are expected to exhibit phenotypic traits similar to that of the high-yielding Miscanthus x giganteus.
A new study found that most Australians reject sex-selection practices like IVF for selecting a child's sex. The majority of respondents disapproved IVF use for sex selection, with only 11% supporting the legalization of hypothetical blue and pink pills.
The Biophysical Society has announced the winners of its second annual CPOW travel awards, which provide travel grants to postdoctoral fellows presenting posters or oral presentations at the 55th Annual Meeting. The recipients include 10 women biophysicists from various institutions.