Researchers are evaluating the effectiveness of BAY43-9006 alone and paired with gemcitabine in a phase II clinical trial for metastatic pancreatic carcinoma. The trial aims to add much-needed treatment options for this aggressive cancer, which affects approximately 27,000 deaths annually in the US.
A research team has discovered clusters of aluminum atoms that exhibit chemical properties similar to single atoms of metallic and nonmetallic elements when reacting with iodine. The discovery enables the creation of unique compounds with distinct properties.
The LISA mission will detect low-frequency gravitational waves from the merger of compact objects like stellar-size black holes and neutron stars. By measuring tiny changes in the motion of freely falling test masses, scientists can study these events with unprecedented precision.
A recent study published in the Journal of Clinical Investigation found a significant link between heart failure and weight loss. The researchers discovered that angiotensin II inhibits IGF-1 signaling in skeletal muscle, leading to muscle loss, which is reversed by IGF-1 expression.
Temperate grasslands like the Great Plains suffer from inadequate land protection, with species-rich ecosystems and habitats for imperiled species at risk. Temperate conifer forests in regions like the Northwest U.S. exhibit robust conservation efforts, even amidst relatively low levels of development.
Scientists have discovered a gene that acts as a 'brake' on hair-cell regeneration in the inner ear. By deleting this gene, hair cells can proliferate and potentially regenerate, providing new hope for treating age-related hearing loss. This breakthrough opens up new avenues for research and potential clinical applications.
Heavy marijuana smokers face an increased risk of respiratory problems and are more likely to require medical services for these issues. The study suggests that the additive effect of marijuana on lung health is a significant concern for public health.
A new institution is proposed to measure and prioritize all major global threats, enabling governments to formulate informed policies. The World Institute for Risk Evaluation (WIRE) would gather evidence, quantify risks, and provide data-driven conclusions.
Astronomers using the Gemini South telescope in Chile have observed new details in the dusty disk surrounding Beta Pictoris, showing a large collision between planetary-sized bodies may have occurred as recently as the past few decades. The mid-infrared observations provide evidence for energetic encounters during planetary formation.
Scientists at British Antarctic Survey tracked albatross migration patterns using tiny logging devices, revealing that over half of birds made round-the-world journeys in just 46 days. The study provides crucial information for governments and fisheries commissions to implement measures reducing bird deaths by up to 95%.
A study at University College London found that macrophage inflammatory protein-1a plays a crucial role in allergic responses. Drugs blocking MIP-1a's binding to its receptors could help treat ocular allergy and other diseases.
Researchers at Washington University have discovered that organic carbon and amorphous silicates in interstellar grains embedded within interplanetary dust particles are the carriers of the astronomical 2175 Å extinction line. This finding solves a 40-year-old mystery, providing evidence for the origins of this feature.
A study by Northwestern Memorial HealthCare found that non-cardiologists prescribed fewer medications to heart patients, including ACE inhibitors and beta-blockers, than cardiologists. The study suggests that cardiologists are more likely to order diagnostic tests without increasing hospital stays.
A new study by OHSU researchers suggests that two types of iron nanoparticles can effectively degrade carbon tetrachloride, a toxic contaminant in groundwater. The study found that one type of nanoparticle quickly and effectively broke down carbon tetrachloride into harmless products.
The Alliance for Taxpayer Access urges NIH to provide timely and complete access to its research, citing the importance of public investment in medical innovation. A delayed announcement on enhanced public access to NIH research has disappointed patient advocates and researchers.
The study identifies a protein called ASF/SF2 as a regulator of calcium enzyme responsible for heart contraction and tissue growth. The researchers found differences in male versus female mice, with males experiencing greater disease and dying earlier.
Researchers at CERN and European universities have re-evaluated the primary reaction creating carbon in stars, modifying the rate of this process. The findings suggest that the amount of carbon produced in the first stars was twice as fast as previously thought, with implications for element production in supernovae.
Hair cell regeneration is a promising approach to treating hearing loss and related neurodegenerative disorders. Researchers have discovered that specific genes, including Rb, play a crucial role in halting the cell cycle, allowing for hair cell regeneration.
This article discusses distal fluvio-lacustrine volcaniclastic resedimentation in central Japan and its tectonic implications. Additionally, sedimentology on Macquarie Island reveals fossil ridge-transform intersections, while high-resolution C-isotope stratigraphy sheds light on mid-Neoproterozoic climate change in the Grand Canyon. T...
Azevedo's research reveals surprisingly simple cell lineages in small invertebrates, contradicting long-held assumptions about developmental complexity. The findings suggest a more universal approach to analyzing organism development using computer programs.
Species diversity varies greatly across tropical and temperate regions due to differing ecological pressures. Higher rates of evolutionary diversification may contribute to observed gradients in richness.
The study models seasonal distribution of BOD and DIN to identify areas at greatest risk for low water quality. Unmanaged shrimp mariculture development leads to increased BOD and DIN, causing oxygen depletion and harming aquatic life.
Researchers found that leukemia cells overexpress Lyn enzyme, allowing them to evade apoptosis. Inhibiting Lyn activity restored normal cell death processes and decreased malignant cell growth.
A scientist at the Marine Biological Laboratory has published a study showing that a combination of pollutants bromoform, chloroform, and tetrachloroethylene can alter nerve cell growth in clam embryos. The study found increased production of an enzyme involved in neural development, which may be linked to neurological disorders such a...
A random screening of 19 approved human medications revealed that anticonvulsants like ethosuximide and trimethadione increased lifespan in C. elegans worms by delaying age-related declines in neuro-muscular activity.
A study reveals tobacco companies' strategies to counteract research linking tobacco smoke to cancer-causing mutations in the p53 gene. The industry supported studies that appeared to cast doubt on this link, raising concerns about conflicts of interest and the integrity of scientific research.
Campylobacter jejuni, a common bacterial cause of diarrhea in the US, exploits human cells for nutrients and causes disease through gene regulation changes. Researchers have identified CJ1461 as a critical protein involved in this process, offering hope for developing treatments and vaccines.
Astronomers have uncovered a population of infant stars in the Milky Way satellite galaxy, the Small Magellanic Cloud, using NASA/ESA Hubble Space Telescope images. The youngest stars are half the mass of our Sun and still forming from gravitationally collapsing gas clouds.
A study published in Alternative Therapies in Health and Medicine found that the prevalence of complementary and alternative medicine (CAM) therapy use remained steady among US adults between 1997 and 2002. The total number of Americans using any CAM therapy remained at 72 million, with changes seen in the choice of therapies used.
A new study suggests that rotary blood pumps may be effective in children with heart failure, potentially saving thousands of lives by sustaining heart function until recovery or transplantation. Researchers believe the technology has the potential to improve treatment outcomes for pediatric patients.
The debate focuses on the causes of PE, which can be attributed to either psychological factors or underlying medical conditions. Medical therapies, such as PDE-5 inhibitors and anti-depressants, have shown significant success in treating the condition.
Researchers developed carbon nanotube-based composite materials to maximize frictional damping in mechanical systems. The findings show that these materials can effectively reduce vibration and energy dissipation, making them a promising solution for various applications.
Astronomers have discovered a dwarf galaxy surrounded by a gigantic, pristine hydrogen gas disk. The large reservoir of unprocessed matter may hold clues to the early universe's formation.
A study by Mount Sinai School of Medicine found that mice fed a reduced carbohydrate diet slowed disease progression, with anti-amyloidogenic activities increased and plaque development prevented. The findings provide a possible mechanism for caloric reduction to prevent Alzheimer's disease.
A new assessment tool provides comprehensive data on home care quality, identifying areas for improvement. The 22 measures cover processes and outcomes, revealing that no single provider excels in all aspects.
A NYU physicist has isolated the first source of ultra-high energy cosmic particles using a new analysis technique. The discovery provides a breakthrough for cosmic ray astronomy, allowing researchers to study material particles from the distant universe in greater detail.
Researchers aim to understand the growth and spread of breast cancer by targeting tumor stem cells, which are hypothesized to perpetuate cancer growth. The project may lead to a critical adjunct therapy targeting these cells.
A study by Penn State found that high added sugar intake in preschoolers leads to low consumption of essential nutrients and food groups. Children with high added sugar levels had the lowest intake of vitamins, minerals, grains, vegetables, fruits, and dairy products.
Researchers used FUSE data to detect spectrum of ultraviolet light in region with no star, revealing light scattering from dust near bright star. The team hopes to use high spectral resolution to study diffuse background radiation and understand the nature of interstellar dust.
Researchers at the University of Virginia Health System have discovered a protein called Chd1 that recognizes a flag on histones and attracts other proteins to turn genes on. This finding sheds light on how chemical information carried on histones is recognized and read during gene regulation.
Researchers create a system that takes chaotic reports from the field and transforms them into useful information for decision-makers and emergency responders. The system, undergoing beta testing, is designed to suggest likely scenarios and provide confidence measures within minutes of receiving initial reports.
Researchers have developed an imaging chip that can capture images with more detail, even under harsh lighting conditions. The new device uses a software program called Shadow Illuminator to balance exposure and improve contrast, revealing hidden textures and details in images.
Chronic pain is classified as a disease due to its definition in the Oxford English dictionary and persistence beyond initial symptoms. The financial costs of chronic pain are significant, comparable to those of cancer and heart disease.
Researchers at Weill Cornell Medical College have developed a fast-acting anthrax vaccine that uses gene transfer technology to provide rapid immunity. The new vaccine works quickly, granting mice immunity within 12 to 18 hours of vaccination and may be used in combination with active vaccines for enhanced protection.
A team of researchers uses the Keck laser system to observe distant galaxies in unprecedented detail, finding that some systems exhibit old stars despite recent mergers. This discovery challenges prevailing theories of galaxy formation and may help explain the existence of large galaxies with little young star population.
Research on Neoproterozoic low-latitude sedimentary rocks reveals that tropical oceans were likely very cold during the Cryogenian period, leading to widespread sea ice. In contrast, a Cretaceous alluvial sequence provides evidence of long-term amplification of the global hydrologic cycle and greenhouse climate signals.
Researchers have identified a potential therapeutic application for the new drug Nifrolidine in treating nicotine addiction and Alzheimer's disease. The study found that Nifrolidine binds to specific brain receptors implicated in these conditions, offering hope for early diagnosis and treatment.
The simulation reveals how tsunamis strike coastlines with devastating force, deforming sea water and affecting the earth's surface. The Cornell Multigrid Coupled Tsunami model, or COMCOT, calculates sea surface elevation based on earthquake data and topography.
Scientists have found that climate change is a major contributing factor to droughts' increasing frequency and severity, with rising temperatures accounting for almost half of the global trend. The study used a unique analysis to estimate how much of the global trend in soil moisture was due solely to warming-induced evaporation.
A large cohort study found that elevated fasting serum glucose levels and diabetes are associated with an increased risk of all cancers and specific cancers, including pancreatic cancer, in men and women in Korea. The study suggests that hyperinsulinemia may be a pathway by which obesity increases cancer risk.
A trio of massive young star clusters embedded in a cloud of stars offers clues about the birth of super-star clusters. The discovery suggests that these large groups could be formed by the merger of smaller clusters. By studying this phenomenon, scientists can better understand the formation and evolution of super-star clusters.
Research among 2,790 East London adolescents reveals strong associations between mental health and home and social situations. Those with strong social support, harmonious relationships, and positive perceptions of local amenities had better mental health.
A 9.0 earthquake off the coast of Indonesia shifted the North Pole by centimeters and decreased the length of day by 2.68 microseconds, according to NASA scientists. The quake also slightly changed the planet's shape and affected its oblateness.
A study of 69 patients with rectal tumors found that carefree individuals took longer to recognize cancer symptoms due to low anxiety sensitivity. They also reported better overall health despite being seriously ill. The research suggests a different approach is needed to encourage these individuals to seek medical attention.
Researchers at Rice University have discovered that nanoshells can amplify the Raman signature of molecules, allowing for the detection of as little as a few molecules of a target substance. The individual nanoshells act as independent Raman enhancers, creating opportunities for all-optical nanoscale sensors.
A new study found that asylum seekers in the UK are often left homeless due to inadequate social security benefits and housing. The researchers are calling for increased support and better living conditions for these vulnerable individuals.
Scientists have discovered minerals in comet dust similar to those found on Earth, providing insights into the solar system's formation. The Spitzer space telescope has captured detailed images of Comet Encke, helping researchers model how comets eject particles as they orbit the sun.
A recent study published in JAMA found that long-term high consumption of red and processed meat is associated with an increased risk of colon cancer. The study, which included over 148,000 adults, also found that poultry and fish consumption was inversely linked to colon cancer risk.
The new technique uses gamma camera technology to detect smaller breast lesions and improve cancer diagnosis, particularly in women with dense breast tissue. The study found a high sensitivity rate of 86% for detecting small breast tumors, outperforming conventional gamma cameras.
High school and college students can now simulate Earth's climate changes using NASA's EdGCM model, which includes a 3-D climate computer model and scientific visualization tools. The model allows students to conduct experiments identical to those run by scientists, promoting hands-on learning about climate science.