Researchers at Jefferson Breast Care Center found that genomic tests like MammaPrint and BluePrint provide more accurate classification of breast cancer subtypes than traditional methods. These tests enable better identification of patients who benefit from chemotherapy, reducing unnecessary treatment risks.
A new study by Uppsala University reveals a strong association between high levels of perfluorinated compounds and the development of diabetes. High levels of perfluorononanoic acid (PFNA) and perfluorooctanoic acid (PFOA) were found to be linked to increased diabetes risk in elderly men and women.
The European Commission has granted funding for FOT-Net Data project, aiming to make traffic data from field operational tests more widely available. This will enable researchers to reuse the data for new studies on different research questions, contributing to the introduction of safety technologies.
Researchers successfully demonstrated a technique to boost inhibition in the brain, leading to improved self-control. The method, involving direct electrical stimulation of the prefrontal cortex, shows promise for treating attention deficit hyperactivity disorder and other severe disorders.
A new test can identify people at risk of acute mountain sickness (AMS) by measuring O2 saturation and tricuspid annular plane systolic excursion (TAPSE). This test could help prevent AMS symptoms by suggesting specific behaviors and medications for susceptible individuals.
In a groundbreaking study, researchers found that benign E. coli bacteria can evolve to become pathogenic within 500 generations or 30 days when confronted with macrophages. The bacteria adapted by developing resistance to being killed by immune cells and acquiring traits similar to those of deadly pathogens.
A Baylor University study finds that Libyan civilians trained by American mental health professionals experience significant healing through peer-led groups, leading to a dramatic reduction in symptoms. The approach has implications for other countries with limited access to mental health services.
Researchers found that laughter can increase pain thresholds, reduce arterial wall stiffness, and lower heart attack risk, but also cause adverse effects like heart rupture, asthma attacks, and hernias.
Researchers at Penn have developed a dynamic model of tissue failure that takes into account the complex feedback effects of cells' molecular motors. The study reveals how myosin activity contributes to tissue instability and provides insights for designing more accurate models to predict tissue behavior.
The Delaware Project offers a cutting-edge vision for training in clinical science, integrating research and practice to improve clinical outcomes. Key features include problem-based learning, public-health focus, and addressing the gap between developing effective interventions and dissemination.
Researchers at Fox Chase Cancer Center are enrolling patients in a clinical trial of the promising drug reparixin, which targets tumors' ability to self-renew. The study aims to learn more about the effect of the drug on human breast cancer cells and its mechanisms of action.
Researchers at Johns Hopkins Medicine have identified a unique class of breast cancer cells that lead the invasion process into surrounding tissues. The team found that these 'leader cells' express a protein called K14, which is essential for their invasive behavior and may be a new target for therapy.
New research reveals targeting blood vessel metabolism may block pathological growth by depriving it of energy and building blocks. Partially blocking PFKFB3 reduces blood vessel sprouting and amplifies VEGF blockade effects, offering a new treatment strategy for conditions like cancer, blindness, and inflammatory diseases.
Researchers measured James Bond's alcohol consumption in Ian Fleming novels and found it was over four times the recommended limit. This high level of drinking may have caused physical symptoms such as an alcohol-induced tremor, leading to his famous catchphrase 'shaken, not stirred'.
A study by Dana-Farber Cancer Institute and Yale University found that moderate daily exercise can decrease joint pain in postmenopausal women taking aromatase inhibitors for breast cancer. After a year, joint pain scores decreased by 20% in the exercise group compared to 3% in the non-exercise group.
A groundbreaking study by IIASA researchers Warren Sanderson and Sergei Scherbov provides a new framework for measuring aging based on multiple characteristics. The study offers a more realistic view of population aging by incorporating factors such as life expectancy, health, cognitive function, and disability rates.
Research suggests a link between red meat and increased risk of gestational diabetes in pregnant women. Women are advised to consume more vegetable protein, nuts, and fish, while replacing some red meat with poultry.
The NIH Stroke Trials Network, or NIH StrokeNet, aims to address the three prongs of stroke research: prevention, treatment, and recovery. The network will fund and manage 25 regional centers, each with a team representing every medical specialty needed for stroke care.
Research found that women with HER2- and hormone receptor-positive breast cancer treated with neoadjuvant therapy had lower pathologic complete response rates if their tumors had PIK3CA gene mutations. These mutations were more common in HER2-positive breast cancers.
The Center for Nano-Optics at Georgia State University aims to develop tools and instruments for nanoscale technology, with potential breakthroughs in biomedicine and computer processing. The center will focus on integrating spaser technology into transistors and developing nanoplasmonic metal funnels.
Researchers found that childhood cancer survivors reported lower physical and mental quality of life as symptoms increased over time. The study suggests that managing symptoms can improve daily functional status and quality of life for these patients.
A study suggests that immune cells outside the brain may contribute to depression, with elevated levels of interleukin-6 linked to increased depressive behaviors in rodents. Researchers found that mice transplanted with high-responding donors exhibited increased depression-like behaviors compared to those with low-responding donors.
Researchers at the University of Washington have discovered a second code hidden within DNA that instructs cells on how genes are controlled. This finding has significant implications for interpreting genome data and diagnosing diseases.
Researchers discovered that Salmonella protein tyrosine phosphatase (SptP) shuts down mast cell ability to release chemical signals without impacting other cellular functions. This leads to the failure of immune cells being recruited to the infection site, allowing Salmonella to multiply and spread unchecked.
Researchers identified three types of mutations in the estrogen receptor gene ESR1 that cause resistance to hormone therapy, including gene amplification, point mutation, and translocation. These findings provide insights into how to develop targeted treatments for drug-resistant breast cancer.
The UK has released updated evidence-based guidelines for preventing healthcare-associated infections in NHS hospitals. The epic3 guidelines provide the best available scientific evidence for preventing healthcare infections, focusing on standard principles for infection prevention and control.
Research in C. elegans reveals a synergistic five-fold extension of longevity through combined mutations in insulin signaling and the nutrient pathway. This finding suggests the potential for combination therapies to combat aging and age-related diseases.
Researchers at Tel Aviv University found that bats rely on vision for navigation and orientation, while using echolocation to detect small prey in low light conditions. This unique combination of senses gives bats a significant advantage in hunting and surviving in the night.
Researchers developed an iPad-based early warning system for hospital patient monitoring, using vital signs to calculate a score and alert staff to potential issues. The system replaces traditional chart-based methods, enabling faster and more accurate care.
Researchers have demonstrated that powerful probabilistic reasoning algorithms can be implemented using chemical reactions, enabling the creation of intelligent machines at tiny scales. This breakthrough could lead to the development of 'smart drugs' that can automatically detect, diagnose, and treat diseases.
A Fox Chase Cancer Center study found that relatives of patients who undergo genetic testing often misinterpret the results, with over one-quarter reporting incorrect interpretations. This can lead to a lack of understanding about their own genetic risks and missed opportunities for cancer prevention.
A new disease related to NKH has been discovered through genetic research led by University of Colorado professor Johan Van Hove. The variant, also known as non-ketotic hyperglycinaemia, shares similar symptoms with NKH and was found in eight patients from around the world.
Research finds rural cancer patients are 66% more likely to retire early after a diagnosis compared to urban counterparts. Additionally, these patients are less likely to receive paid disability while receiving treatment.
A team of astronomers from Cardiff University has discovered a noble gas molecule, argon hydride, in the Crab Nebula. The find provides new insights into the chemistry of outer space and challenges previous assumptions about the conditions necessary for such molecules to form.
Researchers at California Institute of Technology successfully dated a Martian rock using the Sample Analysis on Mars instrument, determining its age to be about 3.86-4.56 billion years old. This experiment provides valuable insights into Mars' geologic history and aids in searching for evidence of ancient life on the planet.
Researchers discovered a mathematical law that explains a wide range of human confrontations, including child-parent struggles, cyber-attacks, and civil unrest. The 'power-law' formula can be applied to make quantitative predictions about future attacks and create intervention strategies.
A team of researchers led by Sam Houston State University identified areas of improvement in the National Integrated Ballistic Information Network (NIBIN) database. The study found that criminal investigators rarely used ballistics reports to link weapons used in multiple crimes due to delays in reporting. To address this, the federal ...
A double-blind, randomized trial found that anastrozole significantly reduced breast cancer incidence among postmenopausal women at high risk for developing the disease. The study showed a 53% reduction in breast cancer incidence with few side effects.
Researchers used deep genome sequencing to study changes in breast cancer tumors after brief exposure to therapy, finding a reduction in mutated genes that can predict future clinical outcomes. The study's findings have the potential to personalize treatment plans for individual patients and improve patient outcomes.
New research suggests that young tropical forests may not be effective in conserving tree species due to low reproductive rates. The study found that even 30-year-old forests have a limited number of reproductive trees essential for long-term species survival.
Studies show that environmental factors significantly impact the genetic makeup of fruit flies living in 'Evolution Canyon', a unique natural environment with contrasting climates. The research confirms natural selection as a powerful influence in shaping the population's gene pool.
The NASA/ESA Hubble Space Telescope has discovered water vapour erupting from the surface of Jupiter's moon Europa, in one or more localised plumes near its south pole. This finding strengthens Europa's position as a top candidate for potential habitability, but the origin and connection to subsurface liquid water are still unknown.
Researchers discovered that the Pallas long-tongued bat uses stealth echolocation to catch moth prey, employing high-frequency but low-intensity calls that evade the insects' auditory systems. This finding suggests that more bats may benefit from this stealthy approach, previously only known in the European barbastelle bat.
Researchers develop individualized systems medicine strategy to select effective cancer therapies for patients, understanding and predicting drug resistance. The approach aids in optimizing patient therapies, with promising results in treating chemoresistant adult acute myeloid leukemia (AML) patients.
The Gene Expression Barcode 3.0 tool helps cancer researchers process and analyze massive amounts of genetic data from patients and mice, enabling the development of tailored treatments. The improved algorithm makes it faster and more accessible for researchers to use.
A study by UCLA and McGill researchers reveals that the US health care system is inefficient, ranking 22nd globally, with every dollar spent translating to less than half a month of increased life expectancy. The study also highlights significant gender disparities, with men experiencing greater gains in life expectancy than women.
Researchers found that environmental change activates the heat shock protein HSP90, silencing genetic variation and allowing for rapid adaptation in cavefish. This discovery validates the role of HSP90 in driving evolutionary change in vertebrates, enabling the emergence of novel traits.
A new mathematical theory helps reconstruct outbreak origins with higher confidence and forecasts epidemic-spreading speed. The approach uses effective distances computed from air transportation network traffic intensities to visualize geographic spread of past diseases.
Researchers have developed a new global map to predict giant earthquakes at subduction zones, including the Australian region. The study identified several regions capable of producing massive earthquakes, while others are not predicted to experience such events.
A randomized trial found that exercise reduced worst pain scores by 20% among women taking AIs, with a dose-response effect on pain relief. The study suggests exercise as a potential clinical intervention to improve AI-associated joint pain and adherence.
A Johns Hopkins study found hospitalized children are at high risk of life-threatening blood clots, particularly those with multiple medical conditions or central venous catheters. The research highlights the need for vigilant monitoring and preemptive treatment to prevent these clotting risks.
Researchers discovered argon hydride ions in the Crab Nebula, a supernova remnant, using ESA's Herschel Space Observatory. The findings support theories on how argon forms in nature and provide evidence for the formation of noble gas molecules in space.
A rare mummified specimen of the duck-billed dinosaur Edmontosauraus regalis has revealed a fleshy comb on its head, similar to a rooster's red crest. This discovery dramatically alters our understanding of these gentle giants and raises the possibility of similar crests among other dinosaurs.
Tropical Cyclone Madi made landfall in southeastern India as its strongest thunderstorms weakened after passing over NASA's Aqua satellite. The storm's interaction with dry air and increased wind shear led to its rapid weakening.
Scientists discovered how mitochondria handle excess calcium, a mechanism that can lead to vascular damage and various diseases. The study sheds light on ways to prevent cell injury by slowing down calcium uptake and protecting mitochondria.
A new CRISPR approach enables researchers to study the entire genome at once, identifying genes essential for cell survival and potential cancer-causing genes. The technology could lead to more efficient and reliable alternatives to RNA interference, enabling targeted cancer treatments.
A new study proposes that fast radio bursts come from flaring stars in the Milky Way, contradicting previous theories of distant galactic origins. The researchers analyzed six detected bursts and found a correlation with stellar flares, suggesting a closer origin.
Researchers found boys raised by two-parent homes had lower rates of adult hypertension; living with one parent increases risk of blood pressure as an adult. The study suggests biologically protective mechanisms developed early life may help prevent high blood pressure later.
This issue of Lithosphere features studies on the Great Slave Lake shear zone in northwest Canada, which provides insight into the deep structure of ancient mountain belts. The research also explores the tectonic development of the Tibetan Plateau, revealing that faults responsible for its formation are restricted within the crust.
Researchers have developed a precision instrument that can determine water loss in agricultural systems, enabling growers to make informed irrigation decisions and reducing water waste. The system provides real-time data on water use by plants versus evaporation, leading to significant water savings.
Researchers have developed a powder to enhance NMR signals, enabling faster and more accurate structure determination by NMR and early cancer diagnosis by MRI. This innovation opens new perspectives for medical imaging and potential applications in human diagnosis.
A recent study published in Science reveals that comb jellies, a simple aquatic animal, possess complex cell types like neurons and muscles. The analysis of the Mnemiopsis leidyi genome shows that these cells may have evolved independently in comb jellies, after they diverged from other animals.
The pertactin antigen, crucial to the effectiveness of the whooping cough vaccine, is now absent from more than half of US bacterial isolates. The absence of this antigen has significant implications for public health authorities and highlights the need to monitor circulating bacterial populations.
Researchers followed the evolution of E. coli bacteria in the presence of macrophages, observing the rapid emergence of pathogenic traits. The study reveals that the movement of small DNA fragments drives bacterial adaptation to evade immune defenses.
Researchers analyzed Wagner's operas for clues on his debilitating migraines, finding characteristic pulsating patterns and intense pain descriptions. The composer's creative use of music to convey suffering may have influenced future generations.
New calculations confirm the universe may collapse, with a higher risk than previously thought. A phase transition in the Higgs field could lead to a violent process where particles become extremely heavy and the universe ceases to exist.
Several major cities have been mapped for their food security and self-provisioning, revealing varying degrees of dependence on national and global markets. Cities like Tokyo and Canberra struggle to feed themselves due to population growth and climate change, while Copenhagen's stable population has increased its local production.
The Illinois Surgical Quality Improvement Collaborative aims to reduce surgical complications, inpatient stays, readmission rates, and deaths by analyzing hospital practices and outcomes. By sharing data and best practices, hospitals can identify areas for improvement and develop effective solutions.
A collaborative project between five Michigan universities aims to increase the academic success of underrepresented minority graduate students and postdoctoral scholars in STEM fields, as well as women graduate students. The project will strengthen mentoring relationships and engage students in interdisciplinary learning communities.
Researchers compared optogenetics and electrical stimulation in nonhuman primates, finding that both techniques increased accuracy in visual decision-making. Optogenetics showed advantages in precision and simultaneous recording of neural activity.
Researchers identify key molecular mechanisms, cell populations and developmental stages of human articular cartilage cells. This breakthrough study provides a new cell source and biological roadmap for therapies to repair cartilage defects and damage from osteoarthritis.
A study found that only about a third of older adults can take care of themselves independently. The research analyzed data from over 8,000 older men and women and revealed that many adapt by using assistive devices or receiving help from others.
Researchers used geological evidence to derive a natural background pattern of sea-level rise. Based on this, they found that modern sea-level rise is fast but within the 'natural range', with only half of observed changes expected by natural standards.
A study by McGill University found significant disparities in health spending efficiency between men and women across 27 industrialized nations. The analysis showed that men experienced greater life expectancy gains per dollar spent on healthcare compared to women.
A team of Wayne State University researchers identified transforming growth factor β (TGFβ) signaling as a major pathway affected by hyperglycemia in DM corneal epithelial cells. Adding TGFβ3 to the wound accelerated epithelial wound closure, providing new treatment options for diabetic wound healing.
The Lens, a public web facility, now contains comprehensive patent information from almost 100 million documents in 90 countries, linked to millions of scientific articles. This initiative aims to save innovators and companies millions in lawyers' fees and make the world of patents more accessible.
Researchers at Penn State have developed a near broken-gap tunnel field effect transistor (TFET) that uses quantum mechanical tunneling to provide high current at low voltage. This breakthrough device has the potential to replace current CMOS transistors in energy-constrained applications.
Researchers have developed a new geothermal power plant design that utilizes unwanted carbon dioxide to generate electricity. The innovative approach is at least twice as efficient as conventional geothermal methods and can store energy for days or months, making it available when needed on the grid.
Researchers developed graphene-based nano-antennas that can connect devices powered by small amounts of scavenged energy, enabling nanoscale communication. The antennas operate at lower frequencies than traditional metallic components, reducing power needs.
The NUS team has successfully developed a one-step method to grow and transfer high-quality graphene on silicon substrates, opening up opportunities for its use in photonics and electronics. The 'face-to-face transfer' method enables the technological application of graphene in optoelectronic modulators, transistors, and biosensors.
Researchers combined ultrafast experimental measurements with theory to study the response of explosives to shockwaves. The results showed that a hydrogen peroxide sample began to tear apart within 50 picoseconds after being shocked, leading to significant temperature increases and pressure waves.
Researchers have observed the rapid formation and separation of charges in organic nanostructures, governed by quantum mechanics. This discovery takes them closer to mimicking photosynthesis and developing efficient organic solar cells.
Researchers have discovered new abilities to manipulate light and sound using structured polymers, which could lead to breakthroughs in computing, sensing technology, and soundproofing. The findings suggest the potential for creating thin soundproofing materials that can guide rather than absorb sound.
A new analysis found that children aged 6 to 11 years on the waiting list have similar mortality rates to older candidates, contradicting earlier data suggesting higher death rates. The study helps inform ongoing discussions about potential changes to the US lung allocation policy.
A study found that high maternal care during early post-natal periods can re-program genes controlling stress responses, reducing sensitivity to stressful events. This rewiring has implications for understanding early environment influences on stress-related disorders.
A new study by Florida State University researchers questions the traditional model of biological diversification, finding that colonizing continents does not lead to rapid adaptive radiation. However, they did discover a weak effect of first colonizers suppressing diversity among later colonizers.
Researchers have discovered that polyunsaturated fatty acid metabolism plays a crucial role in embryonic development and tissue organization. The study found that ACSL4 enzyme activity regulates a specific protein in the Bmp signaling pathway, which is essential for proper embryo organization.
The UCSF Global Health Group will conduct research on community-based strategies to identify and clear the last remaining malaria parasites in areas close to elimination. The goal is to determine risk factors associated with malaria transmission and explore effective interventions for high-risk groups.
Researchers at Rutgers University found that neurons in mice reacted more strongly to threatening odors before the brain interpreted the message. This discovery could lead to new therapeutic treatments for anxiety disorders by understanding how fear-learning affects the senses.
A Mayo Clinic study found that endoxifen, an active metabolite of tamoxifen, is safe and shows anti-tumor activity in early-stage trials. The findings suggest a potential new treatment for estrogen-positive breast cancer patients who don't respond to standard hormonal therapies.
A phase II clinical trial found that adding dasatinib to letrozole therapy doubled the time before disease progression for postmenopausal women with hormone receptor-positive, HER2-negative metastatic breast cancer. Progression-free survival was also improved by 10 months compared to letrozole alone.
Researchers found a significant link between the surname Brady and an increased risk of bradycardia, with patients named Brady more likely to require pacemakers compared to the general population. The study suggests that people may have a preference for careers connected to their name, influencing their health outcomes.
A recent study published in the Journal of the American Society of Nephrology found that even small amounts of physical activity can significantly decrease the risk of developing kidney stones. The research also discovered that consuming more than 2200 calories per day may increase the risk of developing kidney stones by up to 42%.
A study from the University of Texas M.D. Anderson Cancer Center found that 37% of younger, early-stage breast cancer patients underwent unnecessary staging tests, including PET, CT, and tumor markers. Women with PPO insurance coverage and those under 35 years old were at higher risk of receiving these tests.
Researchers at Virginia Commonwealth University have identified a key gene interaction that could be harnessed to treat various cancers. The study found that forced expression of MDA-7/IL-24 stimulates SARI expression in an autocrine/paracrine loop, causing cancer cells to undergo apoptosis.
A recent study published in the Journal of the American Society of Nephrology found that increased physical activity can slow the progression of kidney disease in patients. The researchers discovered that each 60-minute increment in weekly physical activity was linked with a 0.5% slower decline per year in kidney function.
A new assay uses recombinase polymerase amplification to detect Chlamydia trachomatis directly from urine samples, showing high sensitivity levels and specificity. The test has the potential to be applied in numerous point-of-care settings due to its simplicity and cost-effectiveness.
A new study suggests that people's mental representation of Republican candidate Mitt Romney's face differs based on their political persuasion. Researchers found that when presented with subtle changes to Romney's face, participants who supported him rated the images as more trustworthy and competent.
A research team has documented rarely seen pre-spawning behavior in bonefish, which should aid future conservation efforts. The study tracked a school of over 10,000 bonefish as they completed their spawning migrations in the Bahamas.
A team of researchers, including a scientist from Case Western Reserve University, have announced the discovery of a new species of fossil horse from 4.4 million-year-old deposits in Ethiopia. The newly named Eurygnathohippus woldegabrieli had three-toed hooves and grazed grasslands and shrubby woods.
Researchers discovered a narrow window of 2,000 to 2,500 meters above sea level offers the best performance enhancement compared to higher or lower elevations. This finding could help competitive endurance athletes develop effective altitude training regimens.
Researchers found elevated BACE1 activity in mild cognitive impairment patients, suggesting it may be an early indicator of Alzheimer's disease. Increased BACE1 enzymatic activity correlated with plaque numbers and cognition status.
Randy Schekman and James Rothman, Nobel laureates in cellular vesicle transport, criticize federal research funding cuts and commercialized scientific journals. They emphasize the importance of preserving basic research and promoting alternative measures of individual research value.
The 2013 Ontario Student Drug Use and Health Survey found that one in eight students took prescription opioids recreationally, while 14% reported driving under the influence of cannabis. Hazardous drinking among youth remains a concern, with 8% reporting injuries or harming others while intoxicated.
Researchers found that diabetes drugs have different effects on the hearts of men and women, with metformin improving heart function in women but worsening it in men. The study suggests that sex differences play a role in how patients respond to treatments.
Researchers found that using hot baths to raise body temperature and worm eggs to stimulate immunoregulatory factors may attenuate symptoms of autism. The study suggests that inflammation may contribute to the disorder, and these novel approaches could be future treatment options.
A new study published in The Lancet found that anastrozole significantly reduced the risk of breast cancer in postmenopausal women with a family history or other risk factors. After five years, 40 women in the treatment group developed breast cancer compared to 85 in the placebo group.
Researchers found that environmental shock can unmask cryptic genetic variations in animals, leading to adaptive advantages. The study on blind cavefish suggests an alternative mechanism of evolution distinct from natural selection and spontaneous mutations.
A team of four computer science professors is working on a project called imPACT to address essential properties for the Internet. They aim to find solutions for protecting users' privacy, ensuring accountability, and assessing trustworthiness of information and services.