A gene mutation disrupts immune cell activity, causing liver attacks in autoimmune hepatitis. Researchers create model to study treatment targets and therapies.
Researchers found that physical inactivity, poor diet, and smoking are linked to an increased risk of disability in older adults. The study, which followed over 3,982 participants for 12 years, found that the incidence of disability increased with age, with those over 90 years old at highest risk.
Researchers have detected perfluoroalkyl substances (PFASs) in the brain tissue of polar bears, which could have severe impacts on human health. The study suggests that PFASs are crossing the blood-brain barrier and accumulating in all parts of the brain, highlighting the need for further research into their effects.
The NIH has awarded four new grants to explore the use of genome sequencing in medical care, including informing couples about reproductive risks and detecting genomic alterations that can lead to cancer. The grants total approximately $6.7 million in the first year and aim to advance treatment and improve patient outcomes.
A survey of US physicians found that they generally agree on quality initiatives to reduce costs but express less enthusiasm for payment model changes. Most believed trial lawyers and patients have a significant role in reducing costs, while practicing physicians reported having limited responsibility. Physicians were enthusiastic abou...
Researchers have unraveled the secrets of mussels' clinginess, discovering that their byssus threads can withstand impact forces nine times greater than stretching in one direction. The unique distribution of stiffness along the threads enables them to absorb nutrients while minimizing damage from waves.
Researchers at Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed non-toxic flame retardants, replacing conventional halogenated chemicals. The new compounds, derived from organic phosphorus, have been shown to be effective without harming the manufacturing process or environment.
A study of 5-year survival rates among black and white women with breast cancer found that black women continued to have a lower rate of survival. The difference was largely attributed to factors such as poorer health at diagnosis and more advanced disease, rather than treatment differences.
A fatal case of raccoon rabies virus exposure has been linked to a kidney transplant 18 months earlier, suggesting a long incubation period. The study emphasizes the importance of increased awareness and modified organ donor screening and recipient monitoring for infectious encephalitis.
A recent study found that in K9 osteosarcoma samples, NOTCH signaling was elevated overall but aspects of Notch signaling were noticeably deactivated in the worst cancers. The researchers also discovered that HES1 protein expression was lower in aggressive tumors, contradicting previous expectations.
A systematic review of guidelines for in vivo animal experiments identified key procedures to enhance preclinical efficacy studies. Researchers recommend prioritizing sample size calculation, randomized treatment allocation, and disease phenotype characterization to improve clinical relevance.
European grassland butterflies have declined dramatically between 1990 and 2011, mainly due to agricultural intensification and habitat loss. This trend is alarming as butterflies are indicators of ecosystem health and biodiversity.
A recent study by University Hospitals Case Medical Center found that poor sleep quality accelerates signs of skin aging and weakens the skin's ability to repair itself. The study involved 60 pre-menopausal women and showed increased fine lines, uneven pigmentation, and reduced elasticity in poor quality sleepers.
A new study finds that atmospheric rivers are projected to increase in frequency and intensity under future climate change scenarios, leading to more severe and frequent winter floods in the UK. The research suggests that thermodynamic changes in the atmosphere, rather than natural climate variability, are driving these changes.
A study by University of Illinois economist Peter Goldsmith highlights the need for better communication between the livestock industry and local communities. The research found that more effective communication can help reconcile important issues and build common experiences, leading to a more factual conversation.
A retrospective clinical controlled study found that dissecting the recurrent laryngeal nerve during thyroid surgery significantly reduces the risk of nerve injury. The study analyzed data from 5,344 patients and showed a lower incidence of nerve injury in those undergoing nerve dissection.
Researchers at Mount Sinai identified a critical protein called VP35 that deactivates the innate immune system, allowing Ebola viruses to spread. Overexpressing a cellular protein called PACT inhibited viral replication, providing a potential target for new treatments.
A study published in Neural Regeneration Research found that mechanical tension contributes to the formation of hyperplastic scars and stimulates nerve growth factor expression. This suggests a possible role of the cutaneous nervous system in hypertrophic scar formation, providing new insights into scar tissue development.
A new systematic review and meta-analysis found that people with diabetes are at least 50% more likely to develop physical disability. The study also showed a significant association between diabetes and functional disability, including impaired mobility and ability to perform daily activities.
Aerospace engineers can now detect adhesive failures in hard-to-reach places more quickly and precisely using the right ultrasonic frequency. The selection process could save time and effort for engineers performing maintenance on complex composite materials.
Researchers have developed a new technology that can quickly turn genes on and off by shining light, enabling precise control over gene expression. This innovation has potential applications in understanding learning and memory, as well as studying epigenetic modifications.
Researchers have identified a pathway of self-destruction that triggers the spread of cell death in worms, causing a 'blue Grim Reaper' to track death through the body. This discovery sheds light on how ageing causes death and provides insights into preventing it.
Researchers at Carnegie Mellon University and the University of California, Berkeley, simulated almost every important configuration of cloth after six months of computation. The team developed an iterative technique that continuously samples cloth motions, automatically detecting areas where data is lacking or where errors occur.
Researchers discovered that the transcription factor EBF1 is crucial for maintaining B cell identity and preventing alternative fates. When EBF1 was switched off, transplanted B cells forgot their previous identity and developed into T cells and natural killer cells.
Researchers at Brown University found evidence of orographic precipitation causing water-carved valleys on Mars, indicating ancient snowfall. The study's findings shed light on early Martian climate and atmosphere.
Researchers analyze proton diffusion mechanism using theoretical calculations, finding that protons hop quickly between water molecules, followed by rest periods. The discovery may be relevant to enzymes and macromolecules, improving understanding of proton transfer in aqueous systems.
A study by Concordia University researchers found that optimists tend to have more stable cortisol levels, indicating better regulation of stress. In contrast, pessimists struggle to control their stress response, especially during high-stress situations.
University of Miami researchers found that purple bacteria can survive in extreme alien light by distributing photons across multiple reaction centers, allowing each one enough time to recover. This discovery suggests new possibilities for life on Earth and elsewhere in the universe.
The incidence of Type 1 diabetes in Finland has plateaued after rising rapidly between 2006 and 2011, with some research suggesting changes in vitamin D intake may be a contributing factor. A total of 3,332 new cases were diagnosed between 2006 and 2011, down from an initial peak in 2006.
Researchers at the University of Bonn used computer simulations to show that seismic waves can focus over long distances, triggering mud eruptions. The study found that a dome-shaped structure under the mud volcano focused energy into the mud layer, liquifying it and injecting it into nearby faults.
A new study published in eLife reveals how our brains track frequency and time to distinguish important sounds from background noise. The findings suggest that both pitch and timing are crucial for sound pattern recognition, shedding light on a fundamental brain mechanism for detecting sound patterns.
Male guppies develop genital claws to increase sperm transfer during mating, with a study showing clawed males transferred up to three times more sperm than declawed males. This adaptation suggests sexual conflict between the sexes played a role in the diversification of the fish's genitalia.
Researchers found that ginkgo biloba extract EGb761 promoted and prolonged the proliferation of neural stem cells in rats with vascular dementia. The treatment significantly improved learning and memory in these animals.
A team of scientists has discovered a crucial mechanism controlling centriole separation during cell division, shedding light on the process and its potential links to cancer. The study's findings suggest that the dense mass surrounding centrioles, called PCM, plays a key role in regulating their separation.
Researchers discovered that significant others' excessive fears about SAH recurrence negatively impact patients' psychosocial recovery. Patients whose significant others were the most fearful experienced compromised recovery, with worse general health and limitations in everyday activities.
A UC Davis study reveals that astrocytes can protect brain tissue and reduce disability due to stroke. The research found that a specific type of astrocyte called Olig2PC-Astros has greater antioxidant effects and improves learning and memory in rats.
A study found that large cities have a lower risk of injury death compared to rural areas, with a 40% higher risk of unintentional injury death in the most rural counties. The risk of firearm-related deaths varied by age and race, but was generally higher in rural areas.
A recent study by a MU, K-State research team disproved the theory that Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) binds to CD169 molecules in pigs. This discovery will help scientists narrow their search for an ultimate cure.
Research found that removing even one bumblebee species from an ecosystem significantly reduces pollination effectiveness and plant seed production. The study showed that reduced competition among pollinators disrupts floral fidelity, leading to less successful plant reproduction.
A large clinical study found no evidence that THC slows progressive multiple sclerosis (MS) progression. However, participants at the lower end of the disability scale showed some benefits. The study suggests that further research is needed to confirm these findings.
Scientists describe a new species of Hero Shrew with an interlocking spine that may represent intermediate character states between other shrews. The new species possesses features that enable it to position itself between palm trunks and access beetle larvae, providing a unique adaptation for survival.
A study by Stanford researchers found that genetic testing improved student learning in a personalized medicine class. Students who had their genome tested as part of the course showed a 31% increase in knowledge compared to those who didn't undergo testing.
Researchers at Harvard University are developing new techniques to improve digital imaging, including a method to mimic the appearance of translucent objects and optimize screen hardware for adaptive displays. Their work has the potential to advance artificial vision, 3D displays, and video editing.
Researchers discover histone H1 protein's role in neurodegenerative disease and stroke; protein can trigger immune response and drive brain cell death. The study may lead to the development of new treatments for neurodegenerative diseases and stroke.
Researchers developed a new method for reliable fiber tracking with accurate orientation, outperforming existing methods in tracking white matter bundles. The approach showed superior results in detailed images of fiber bundles.
A peer-led intervention developed by a nursing researcher at the University of Missouri helps individuals with HIV adhere to their treatment plans. The program improves patients' quality of life and reduces the risk of spreading the virus.
A new study reveals that US physicians believe they have a responsibility to address healthcare costs, but their primary concern is always the well-being of their patients. Most (85%) agree that containing costs is their responsibility, while nearly 80% prioritize patients' best interests over cost concerns.
The National Science Foundation has awarded Wayne State University a $25,000 planning grant to develop a strategic plan for a field-based water research center. The center, known as HEART, will focus on urban systems and the environment along the Huron-to-Erie corridor, impacting over 4 million people.
A benign crystal protein produced by bacteria could be a safe and inexpensive treatment for parasitic worms in humans. The protein, Cry5B, achieved a 93% elimination of hookworm parasites from infected hamsters.
Researchers found decreased neuropeptide Y neurons, upregulated leptin receptors, and disrupted feeding behavior pathways in rats with chronic immobilization stress. Chronic stress leads to increased leptin receptor expression and suppressed neuropeptide Y synthesis.
The new Rolls-Royce@NTU Corporate Lab will focus on three core areas: Electrical Power and Control Systems, Manufacturing and Repair Technologies, and Computational Engineering. The lab aims to invent more efficient energy delivery systems and develop innovative manufacturing technologies to complement robust power systems.
A Swedish data-sharing campaign led to a significant decrease in unnecessary medical tests for low-risk prostate cancer patients. The study suggests that curtailing unneeded medical tests is achievable and offers insights into the importance of implementing guidelines and providing feedback to practitioners.
Researchers at UNIST have created a novel method for direct nitrogen fixation using ball-milling graphite in the presence of nitrogen gas. This process enables the production of nitrogen-doped graphene nanoplatelets, which can enhance energy conversion efficiency in solar cells and fuel cells.
A study of over 240,000 participants found that women with a history of kidney stones had an increased risk of coronary heart disease, while no association was seen in men. The researchers suggest further research is needed to determine the underlying cause of this sex-specific association.
Research finds bystanders intervene in about a third of bar fights, with most intervening in male-male conflicts. Nonviolent interventions were used in 65% of male-male fight breakups, while incidents between males and females received the lowest intervention rates.
The study aims to determine end-of-life needs and available services for HIV/AIDS patients in Appalachian regions. The researchers will examine factors such as poverty, lack of health services, and stigma, and develop targeted interventions to address discrepancies.
Researchers found that individuals who look at the tip of the nose or mouth can identify faces with equal accuracy as those who gaze below the eyes. The study sheds light on the complexities of face recognition, suggesting that people develop distinct optimal strategies to maximize identification accuracy.
A Boston College professor has been awarded a $1.2-million grant to foster social entrepreneurship in urban high school students through indoor gardening technology. Students will learn how to conduct scientific investigations and develop small businesses initiatives to sell fresh produce, contributing to a healthier city as a whole.
Researchers developed option awareness theory to aid decision-making in complex situations. Studies showed that incorporating visual comparison of options increased correct responses by 67% while maintaining similar processing times.
A study published in Magnetic Resonance in Medicine found that tumors with low oxygen levels are more responsive to radiation therapy when exposed to oxygen. This approach may lead to personalized therapies and fewer radiation treatments for patients with hypoxic tumors.
The Ecological Society of America examines ways to improve soil, water, and nutrient retention, pollinator support, and pest suppression. Sessions focus on land sharing, global-to-local connections, and resilient future interdependencies between conservation and agriculture.
A team of engineers has developed a three-dimensional hydrogel that more closely mimics the properties of brain tissues, allowing researchers to selectively tune up or down the malignancy of cancer cells. By adding hyaluronic acid, they found that glioma cells exhibited reduced or enhanced malignancy in different materials.
Research from Penn Medicine reveals that urban counties have a lower risk of injury-related death compared to suburban and rural counties. Motor vehicle collisions were found to be the leading cause of death in both urban and rural areas.
A study published in PLOS Biology reveals how death spreads through an organism like a wave, using blue fluorescence as a visual cue. The researchers found that a specific chemical pathway called necrosis is responsible for this process, which is dependent on calcium signalling.
Researchers at HudsonAlpha are using genomic sequencing to identify genetic links to childhood genetic disorders, aiming to provide clearer explanations and better treatments for affected children. The study also explores the impact of genetic testing results on individuals and develops resources to facilitate helpful communications.
The motor relearning program significantly promotes neuronal regeneration and repair, as well as angiogenesis in damaged brain tissue. This study provides a new theoretical idea for the clinical treatment of brain ischemia.
Research suggests that dance marking, or loosely practicing a routine by going through the motions, can improve dance performance by reducing mental strain. The study found that dancers who practiced with marking were judged more highly on their movements and sequences, indicating improved fluidity and memorization.
A team led by Fred Hutchinson Cancer Research Center scientists is developing precision therapies that selectively kill cancer cells while sparing normal tissue. Using high-throughput screening, they aim to identify new genes to target that may be highly specific to each patient's tumor.
Researchers at Louisiana Tech will lead a project to investigate high doses of space radiation on astronauts, developing an instrument to automate RNA extraction and gene expression analysis.
A new study published in Epidemiology found no correlation between prenatal mercury exposure and autism spectrum-like behaviors among children in the Republic of Seychelles. The study, which analyzed data from over 1,700 participants, suggests that low-level exposure to mercury may not contribute to developmental problems.
Researchers developed digital PCR technology to detect IDH1 mutation in CSF of patients with brain tumors, improving treatment choice and patient care. The technique has potential for noninvasive biomarker identification and personalized medicine.
A systematic review and meta-analysis found that barriers to preventing malaria in pregnant women are consistent across sub-Saharan African countries. Common issues include unclear policy, healthcare facility shortages, and confusion among providers, delaying antenatal care and impacting uptake of interventions.
Scientists have developed a new technology that can convert CO2 into electricity, reducing greenhouse gas emissions and producing over 1,570 billion kilowatts of additional power annually. The method uses CO2 from power plant smokestacks and other sources, eliminating the need for additional fuel to produce electricity.