Researchers from the University of Leicester used a new method to extract information from 500 million-year-old fossils, revealing that some early vertebrates may have been more complex than thought. The study found that decomposition altered characteristic anatomical features, providing clues for interpreting ancient fossils.
Researchers have developed a new technique to restore lost bone and gum tissue following periodontal disease, using layers of cells such as stem cells and gingival fibroblasts. The method has been shown to be successful in laboratory studies and has potential applications in other fields like skin grafts.
Researchers found five genome regions that increase the risk of developing an SLE-like autoimmune disorder in dogs. The study identified strong risk factors that may double the risk of human SLE, and could provide new avenues for studying the disease.
Patients who underwent peripheral blood stem cell transplantation (PBSC) had similar overall survival rates as those given bone marrow transplants, with no significant differences in mortality or late effects. However, subgroup analyses revealed improved leukaemia-free survival and overall survival for patients with acute leukaemias
Neurobiologists at the University of Maryland discovered that the brain's auditory cortex is more complex and chaotic than previously thought, with neighboring neurons creating different outputs. This disorder could indicate that the brain is far more adaptable than previously thought.
Researchers identified five loci associated with a canine systemic lupus erythematosus-related disease complex in Nova Scotia duck tolling retrievers. This study suggests that dogs can serve as an excellent model for identifying pathways involved in human complex diseases, particularly autoimmune disorders.
Researchers created AraNet, a network that connects over 19,600 plant genes based on physical neighborhood and co-expression patterns. The network accurately predicted the functions of three uncharacterized genes in Arabidopsis thaliana, demonstrating its potential to revolutionize fundamental plant biology and agricultural research.
Researchers have grown a crystal that reveals the structure of integrase, an enzyme found in HIV, and how it interacts with antiretroviral drugs. This breakthrough could lead to improved treatments for HIV by understanding how existing drugs work and how to improve them.
Scientists have discovered a mechanism by which yeast cells transport damaged proteins to mother cells using conveyor-like structures called actin cables. This process ensures that newly formed daughter cells are born without age-related damage, paving the way for potential treatments of age-related diseases.
Research on patient access schemes found that refunds were not always passed on to primary care trusts, leading to financial losses. The study also identified the need for flexibility in processing claims and standardized templates to streamline administration.
Pneumococcal disease is a leading vaccine-preventable killer of children under age five, causing life-threatening infections. Dr. Thomas Cherian's work has helped advance medical science and inform policy to overcome obstacles in awareness, financing, and vaccine access.
Researchers have identified a biomarker that can help predict which patients with rheumatoid arthritis are likely to benefit from therapy with TNF-antagonist drugs. The study found that patients with higher baseline levels of type I interferon and increased IFN-beta/alpha ratio were more likely to respond to therapy.
A new study from UC Davis Health System identifies a key protein called SynDIG1 that plays a crucial role in creating and sustaining synapses, essential for learning, memory, and perception. The research fills a major gap in understanding the molecular foundations of higher cognitive abilities and brain disorders.
One-third of analyzed milk samples exceed EU microbe contamination limits, according to a study by researchers from the University of Valencia. The experts advise against keeping milk in jugs and recommend better cleaning practices for utensils.
New research reveals heat from the Pacific Ocean is responsible for Arctic sea ice loss. Satellite radar can accurately measure hurricane wind speeds. Nitrogen dynamics may accelerate global warming by constraining carbon dioxide absorption.
NASA's TRMM and Aqua satellites observe TD11S's rainfall patterns and temperatures, indicating it is becoming extra-tropical. The storm's center is fully exposed from the west, making it susceptible to drier air or wind shear that can weaken it.
Agricultural Research Service scientists analyzed over 160 sugarcane samples from 25 countries to identify genetic resistance to deadly orange and brown rusts. The study provides valuable resources for plant breeders and pathologists, supporting international food security.
Biologists at City College of New York have identified a new spiny pocket mouse species, Heteromys catopterius, found in four wet mountainous forest regions along Venezuela's northern coast. The species differs from the Caribbean Spiny Pocket Mouse in darker fur and skull morphology.
Researchers propose a model of adult stem cell regulation that explains how coexistence of quiescent and active stem cell populations supports tissue renewal and regeneration. The new model suggests separate functional roles for both sub-populations, which may also contribute to cancer drug resistance.
Researchers found that patients typically drop weight in first few weeks after total knee arthroplasty but then experience an average weight gain of 14 pounds over two years. Weight gain is more pronounced among weaker surgery patients.
Tropical Storm Nisha is experiencing light-moderate rainfall and moderate vertical wind shear, weakening the storm. It is forecast to move slowly eastward and dissipate over the latter half of the weekend.
Over a two and half year period, the FDA approved 53 new oncology and hematology drugs, including 39 receiving regular approval and nine accelerated approval. Most approvals were based on single-arm, non-randomized controlled trials.
A new vaccine against tuberculosis has been shown to be effective in preventing the disease in people with HIV infection. The DarDar Health Study found that the Mycobacterium vaccae (MV) vaccine reduced the rate of definite tuberculosis by 39 percent among 2,000 HIV-infected patients in Tanzania.
NASA satellite imagery shows Tropical Storm Olga regaining strength in the Gulf of Carpentaria, with estimated sea level pressure near 989 millibars. Residents in Northern Territory and Queensland are under tropical cyclone warnings and watches due to expected landfall on January 30.
A University of Kentucky researcher is studying respiratory weakness as a factor in ICU morbidity, which can lead to prolonged stays and lengthy recovery times. The study aims to develop new treatments that could slow down muscle wasting and reduce reliance on mechanical ventilation.
Researchers found that bees can learn to recognize the arrangement of human facial features on a face, but not individual humans. The insects use this strategy to distinguish between face-like and non-face patterns.
Researchers at the University of Notre Dame describe a significant advance in imaging cell death using synthetic probes. The new method can distinguish between healthy and dying cells in tumors, potentially aiding in tumor grading and treatment effectiveness measurement.
The Gishwati Area Conservation Program will fund reforestation of nearly 650 acres in Rwanda's Western Province. The expansion aims to stabilize steep hillsides, reduce erosion into the Sebeya River, and provide additional habitat for endangered chimpanzees.
The Visible Infrared Imaging Radiometer Suite (VIIRS) has been delivered and will be integrated onto the NPP spacecraft, providing highly detailed imagery of clouds, vegetation, and environmental phenomena. The NPOESS Preparatory Project aims to extend the time series environmental data records initiated with NASA's Earth Observing Sys...
Researchers have successfully designed new IDO inhibitors using a docking algorithm, with 50% of in silico designs showing activity against human tumors. The computational tool, EADock, has shown promise for future drug developments in cancer-immunotherapy.
A Swedish study of over 3,700 grandparents and their grandsons found that men with a male relative who suffered a hip fracture had up to 5% less bone density and 4% smaller bones than those without. This reduction in bone size increases the risk of fractures threefold.
Researchers found that blocking facial expressions can hinder our ability to understand emotions in written language. Tiny applications of Botox reduced reading times for angry and sad sentences.
Researchers used single-walled carbon nanotubes to study phase transition behavior of argon and krypton atoms. They found that the nanotube's electrical resistance changed when krypton atoms stuck to the surface, and demonstrated sensitivity to individual atom landings.
Researchers created a self-healing polymer that can extend the lifetime of automotive oils. The 'starfish' polymer, designed by Professor David Haddleton's team, helps maintain engine efficiency and resists mechanical and thermal stress.
The Virtual USA project aims to create a nationwide capability for sharing and standardizing life-saving emergency data in real-time. The platform, developed by the US Department of Homeland Security's Science and Technology Directorate, enables seamless integration of disparate data sources, reducing communication barriers between age...
Researchers at University of California, San Diego have identified a signaling protein called RON that helps pancreatic cancer cells survive and resist chemotherapy. The study provides new insights into pancreatic cancer development and suggests combining RON-targeted therapy with other treatments to combat tumor resistance.
The Healthy Urban Food Enterprise Development (HUFED) Center will provide training and technical assistance for small and mid-sized agricultural producers, aiming to increase access to healthy, affordable foods in low-income areas. The center is designed to promote positive economic activities generated from attracting healthy food ent...
A recent study found that ulipristal acetate is more effective than levonorgestrel in preventing pregnancy after unprotected sex. The new findings provide women and healthcare providers with an alternative option for emergency contraception, available up to five days post- intercourse.
Researchers at Sanford-Burnham Medical Research Institute have identified a new function of the CD44 receptor, which helps specific T helper cells develop immunologic memory. This discovery could lead to the development of therapies to control disease pathology in various infections and autoimmune conditions.
Researchers found that touch typing training significantly improved keyboarding speed in RA workers, regardless of impairment. However, impairments in hand function were associated with reduced mouse speeds, highlighting the need for effective strategies to maintain productivity in computer users with RA.
Scientists discovered a new strategy for making embryonic stem cell transplants less likely to be rejected by a recipient's immune system. Bone marrow cells fuse with embryonic stem cells, creating hybrid cells that can evade immune rejection without drugs.
A new study published in The Journal of Law and Economics found that physicians cut back their workload by almost two hours each week when the expected liability risk increases by 10 percent. This represents a significant impact, equivalent to one out of every 35 physicians retiring without a replacement.
Researchers found that participants who attended AA meetings more frequently had fewer depression symptoms and less drinking compared to those with less AA participation. The study suggests that the social aspects of AA may contribute to improved mental well-being and abstinence.
Researchers developed a microfluidic device that selectively isolates targeted cells, including cancer cells, based on their electrical properties. This breakthrough enables the screening of entire blood samples for cancer detection.
Researchers have found a new way to study how enzymes repair DNA damage caused by UV light, which could lead to new therapies for sunburned skin. By using ultra-fast laser pulses, they were able to observe the motion of photolyases at the atomic scale, revealing unprecedented detail about the repair process.
Researchers at UCLA's Jonsson Comprehensive Cancer Center have performed the first complete genomic sequencing of a brain cancer cell line, revealing a unique biological signature that may lead to new therapies. The study also holds promise for developing patient-specific diagnostics to monitor for cancer recurrence.
Researchers have identified several cytokines that increase significantly prior to rheumatoid arthritis disease onset, indicating immune system activation. Early diagnosis and treatment may prevent disease progression and improve quality of life for patients.
A study found that kidney transplant recipients with high levels of T-regulatory cells and low Natural Killer cells are at a higher risk for skin cancer, which can occur after ten years of immunosuppressive drugs.
A researcher from Northwestern University has invented a novel way to halt and reverse rheumatoid arthritis by developing an imitation of a suicide molecule that targets hyperactive immune cells. The approach, tested on mice, showed promising results with a 75% success rate and no reported toxicity.
A study of over 800 parents and 439 children found that mothers and fathers of overweight and obese children were significantly heavier than those with normal-weight children. Parents also tended to underestimate their child's weight, with mothers of obese children being more concerned about their child's weight.
Scientists have developed an experimental VLP vaccine that protects macaques and mice against chikungunya virus, a debilitating disease with no current treatment. The vaccine, using non-infectious virus-like particles, elicits immune responses and provides complete protection from infection.
Researchers have found that young squeaker catfish can detect sounds made by their older relatives, challenging prior assumptions about auditory development. The study suggests that fish of all ages use the 'squeaking' sound to communicate, increasing in level and duration as they grow.
A review of the US Preventive Services Task Force's statement on screening for breast cancer raises questions about the methodology and evidence behind widely publicized mammography guidelines. The study found low methodological scores in the report, potentially undermining the recommended changes for breast cancer screening.
Adults aged 70 and older who are classified as overweight are less likely to die over a 10-year period compared to those with a normal weight. The study found a reduced mortality risk by 13% among overweight participants, but only up to a certain point of obesity.
The US Department of Agriculture's National Agricultural Statistics Service has released new geospatial data products, including satellite images of agricultural land cover across most of the nation. These cropland data layers can be used to monitor crop rotation patterns, land use changes, and water resources.
A recent US study reveals that pediatric patients with rheumatic diseases have significantly lower mortality rates compared to previous studies. The Childhood Arthritis and Rheumatology Research Alliance estimates that 300,000 children in the US suffer from some form of arthritis or rheumatic disease.
The US government's financial support for the news industry has declined sharply since the 1960s, with subsidies for mailing and public notices decreasing by 64% and 73%, respectively. The report recommends policy options to address this decline, including allowing newspapers to become non-profits, tax credits for subscribers, and expa...
Research found that smokers' health is compromised by breathing environmental tobacco smoke, with second-hand smoke equivalent to an additional 2.6 cigarettes per day. This highlights the need for both active and passive smoking contributions to be considered when studying smoker health.
Research suggests that privatizing government-owned banks can result in a collapse of depositors' confidence, triggering bank runs and financial instability. Effective regulation is crucial to prevent this outcome, as it allows for the banking system to finance economic growth.
A study by Mount Sinai researchers found a connection between prenatal phthalate exposure and disruptive behaviors in children. Mothers with higher phthalate metabolite levels reported poorer behavioral profiles in their children, including conduct and externalizing problems.