Researchers at the University of Washington have identified 25 genes regulating lifespan in yeast and roundworms, with at least 15 having similar versions in humans. The study provides quantitative evidence that these genes have been conserved during evolution, suggesting potential targets for treating age-related diseases.
A new study has discovered that specific pre-existing IgE antibodies are the primary cause of severe allergic reactions to cancer drug cetuximab. The research found these antibodies were more prevalent in certain regions of the US, including Tennessee, Arkansas, and North Carolina, which have higher rates of anaphylactic reactions.
A nationwide team of ecologists reports that excess nitrogen loading reduces the efficiency of stream and river networks' natural processes for reducing this pollutant. This overload can lead to eutrophication, oxygen depletion, and death of fish and shellfish downstream.
A new study reveals that black tea can effectively inhibit the activity of Bacillus anthracis, a deadly bacterium causing anthrax. Adding whole milk to tea completely inhibits its antibacterial activity.
The study found that an intermediate rate of dispersal creates a 'happy medium' wherein species move around enough to adapt to harsh environments, increasing ecosystem productivity and biodiversity. This breakthrough helps ecologists develop strategies for conservation areas with high biomass and diversity.
A study of 61 patients with follicular non-Hodgkin lymphoma found that radioimmunotherapy with yttrium-90 ibritumombab tiuxetan was well-tolerated and effective, achieving complete response in 55 patients. The treatment also showed improved progression-free survival and overall survival rates.
The University of Iowa has received a five-year, $2.1 million NIH grant to continue its mentorship project for junior faculty members in pediatrics. The program trains clinicians to study the underlying mechanisms of conditions such as prematurity and heritable disorders.
A new class of painkillers that block the TRPV1 receptor may interfere with brain functions such as learning and memory, according to a recent study. The researchers found that the receptor regulates neural mechanisms involved in establishing memory pathways in the brain.
The University of Texas at San Antonio has received a $822,000 gift from the Robert J. Kleberg, Jr. and Helen C. Kleberg Foundation to support the purchase of three high-powered electron microscopes. These microscopes will form the nucleus of a groundbreaking research unit, enhancing scientific research capabilities across various disc...
A large study published in Thorax found that regular low-dose aspirin use cuts the risk of developing asthma among women by 10%. The Women's Health Study involved over 40,000 female healthcare professionals and monitored their health for around 10 years.
Scripps Research will develop a compound to treat neurodegeneration in Parkinson's disease using a classical pharmaceutical approach. The goal is to bring the potential treatment to human clinical studies, aiming to have a safe and efficacious compound with sufficient preclinical safety data.
A systematic review and meta-analysis found that vitamin D supplements in early childhood lower the risk of developing type 1 diabetes by around 30%. Higher doses and more regular supplementation were associated with a greater reduction in risk.
NIST researchers have improved manipulation of block copolymers, a crucial step in creating tiny dots that can be used as electronic components. They developed accurate measurements of thin film polymeric nanostructure and new insights on how to control self-assembly.
A study of Lincoln's sparrows reveals that first-laid eggs are less likely to hatch, while older siblings have an advantage in terms of resources and competition. This finding challenges the common assumption that younger chicks are more vulnerable due to size disparities with their peers.
Researchers found that family members caring for loved ones with serious heart ailments were more likely to have high blood pressure, depression, and poor eating habits. These caregivers were also less likely to follow healthy dietary guidelines.
A research team at Université Laval has identified genetic markers that allow the selection of eggs with the best chance of leading to successful pregnancy after in vitro fertilization (IVF). This method increases the success rate of single embryo transfer and diminishes the risk of multiple pregnancies.
Scientists have discovered specific methylation patterns in tumors and tissue that can predict which lung cancers are more likely to recur. These patterns could lead to reclassifying small lung cancers as advanced disease, allowing for more aggressive treatment options.
The project aims to develop an artificial immune system that can protect individual robots and the larger collective organism from faults. By sharing information and energy, the robots form a single artificial life-form with enhanced capabilities, such as rescuing earthquake victims.
Researchers at UMass Amherst and University of Washington discovered that implantable cardiac defibrillators and pacemakers can be reprogrammed without patient authorization, posing security and privacy risks. The team developed prototype defenses to address these issues.
Researchers at the University at Buffalo found that taking ibuprofen while taking aspirin for stroke prevention reduces its effectiveness. In a study of 28 patients, all took ibuprofen and had no anti-platelet effect from their daily aspirin.
Researchers have found evidence of small, sandy particles orbiting a newborn solar system at a distance similar to the Earth's orbit around the sun. The discovery sheds light on how Earth-like planets may form and offers new opportunities for studying the chemical composition of these particles.
A simple laboratory test measures a biomarker called NGAL to predict acute kidney injury (AKI) risk up to three days before symptoms appear. The test has been shown to be highly accurate in identifying patients at risk of AKI and may enable timely treatment to prevent or improve outcomes.
The American Association for Cancer Research (AACR) provides financial support to 10 undergraduate students through the AACR-Thomas J. Bardos Science Education Awards for Undergraduate Students. The program allows students to present research, learn from educational sessions and symposia, and network with experts in the field.
A national study found that tiny organisms like algae and bacteria can remove nitrate from stream water, improving water quality. Streams that meander naturally through complex channels are more efficient at filtering pollutants than engineered streams.
A team from Penn State University and the University of Southampton created a single-crystal semiconductor inside an optical fiber, overcoming performance degradation between fibers and devices. The new device enables faster and more efficient electronic signals, opening up potential for next-level applications in various fields.
Researchers have developed a cubic-meter-scale antineutrino detector that can quickly and precisely monitor the operational status and thermal power of nuclear reactors over hour-to-month-time scales. This new tool provides a direct measurement of reactor performance, enabling nonproliferation efforts by detecting fissile material inve...
Researchers at Albert Einstein College of Medicine found that aberrant Notch signaling plays a role in diabetic nephropathy and focal segmental glomerulosclerosis, two major causes of end-stage renal disease. They discovered that gamma secretase inhibitors can protect against kidney disease, sparking hope for new treatment options.
AstraZeneca's investigational cancer drug vandetanib has completed patient enrollment in two pivotal Phase III studies for the second-line treatment of non-small cell lung cancer. The ZODIAC and ZEAL studies aim to assess the efficacy of vandetanib in combination with chemotherapy treatments.
Researchers discover that the Warburg effect, a unique metabolic process in cancer cells, is essential for tumor growth. The M2 form of pyruvate kinase (PKM2) plays a critical role in this process, enabling cancer cells to rapidly proliferate and produce energy through anaerobic glycolysis.
A recent study published in Nature has found that small streams and rivers are crucial in removing excess nitrogen pollution from watersheds before it reaches the oceans. The research, led by Arizona State University scientists, used a rare nitrogen isotope to examine the effects of nitrogen loading in streams.
A national study found that healthy streams can filter out 40-60% of added nitrogen within 500 meters, while denitrification accounts for about 19%. Maintaining healthy riparian areas and complex stream channels is essential to prevent eutrophication.
Finnish research reveals clear changes in gene-networks and mitochondria function in obese individuals, associated with pre-diabetic changes and increased insulin release. Mitochondrial inefficiency may maintain obesity state.
Researchers have identified 25 genes that regulate aging in both yeast and nematodes, with significant overlap between nutrient-response pathways. These findings suggest that similar mechanisms may contribute to human aging, providing a foundation for understanding age-associated diseases.
Researchers from ETH Zurich have successfully tested high-speed WLAN network using MIMO technology, increasing data transfer rates up to four times higher than existing networks. They developed efficient decoding algorithms for multi-antenna systems, enabling practical implementation in complex networks.
A new study by 31 scientists shows that streams play a critical role in filtering out excess nitrogen that feeds algae blooms. The research found that streams are most effective at removing nitrogen when they are not overloaded with fertilizers and other human activities.
Researchers discovered that materials like silica behave as ductile as gold at the nanoscale due to surface atom dominance. Nanoparticle size and morphology affect ductility and tensile strength.
Peter Glynn, a professor at the University of Miami's Rosenstiel School, has received the Provost's Award for Scholarly Activity for his groundbreaking research on coral reefs. His work highlights the impact of climate change on coral bleaching and death.
Researchers found that streams can remove up to 90% of nitrate pollution through denitrification and algal uptake, with effectiveness greatest in healthy streams not overloaded by human activities. Streams play a crucial role in reducing eutrophication problems in lakes and coastal waters.
A preschool-based intervention program helped prevent early trends toward obesity and instilled healthy eating habits in multi-ethnic 2- to 5-year-olds. The program, which included menu modifications, education, and family-based activities, was effective in reducing junk food consumption and increasing fruit and vegetable intake.
Researchers have uncovered how Streptococcus pneumoniae builds its penicillin immunity and opened up ways to disrupt this mechanism, potentially restoring penicillin as a weapon against the bacterium. The discovery also offers hope for treating MRSA using penicillin.
Researchers investigated how inheriting different combinations of gene variants impact depression risk in normal subjects. They found that the SLC6A4 serotonin transporter gene interacts with the BDNF gene to regulate emotion regulation system development, revealing individual genes are not isolated risks.
Small streams play a crucial role in removing human-generated nitrogen, reducing eutrophication and 'dead zones' in downstream lakes and coastal waters. The study found that the effectiveness of streams in removing nitrate is greatest when not overloaded by nitrogen sources.
A new aerosol version of the most common TB vaccine administered directly to the lungs via oral mist provides significantly better protection against TB in experimental animals. The vaccine could offer a safer, more consistent treatment option with reduced need for refrigerated storage.
Research found that 7% of teens spend over 50 hours a week on screens, while 52% of boys and girls report average screen-time levels above 42 hours per week. Neighborhood socio-economic factors play a significant role in determining screen time habits.
Streams are effective nitrogen filters, but their capacity to remove pollutants is limited by high loading rates. Researchers used a tracer to track nitrate additions in 72 streams across the US and Puerto Rico.
Research on over 18,000 UK babies found that mothers who quit smoking during pregnancy had the most easy-going infants. The study suggests that quitting smoking may boost a child's temperament and reduce behavioral problems. Heavy smokers had more difficult children with lower scores for positive mood.
Scientists develop a new, lean mouse model by crossing mice deficient in protein kinase C beta (PKCB) with the C57 black mouse. The hybrid mice have less fat distribution, less fat tissue overall, and increased ability to burn fat, suggesting a potential strategy for treating obesity and disorders associated with excess weight.
Researchers found that tiny organisms filter nitrate from stream water, with the most effective removal occurring when nitrate enters small healthy streams and travels throughout the network. Streams and rivers can help prevent nitrate pollution from reaching lakes and coastal waters, where it can cause algal blooms and oxygen depletion.
Researchers have identified a new defense mechanism in the intestine that protects against pathogenic bacteria, which could lead to targeted treatments for diseases like Crohn's disease. The Caspase-12 protein regulates this mechanism, limiting defensin production and triggering an inflammatory reaction.
A gene therapy treatment has been developed to restore a missing liver enzyme in people with glycogen storage disease type Ia (GSD-Ia). The treatment has shown promising results in animal studies, with protected blood glucose levels for up to a year. Further research is needed to test the safety and efficacy of the treatment in humans.
Researchers discovered that SATB1 protein promotes tumor growth and metastasis in breast cancer. High levels of SATB1 expression are associated with poor prognosis, and reducing SATB1 can prevent the formation of invasive cells.
Researchers at the University of Texas Health Science Center at Houston conducted the first empirical study on how populations of nerve cells in visual cortex adapt to changing images. The study's findings could lead to improved visual function following trauma or stroke.