Researchers discover HIV's ability to break down the internal skeleton of resting T cells, allowing it to overcome a previously resistant barrier. This process involves the activation of protein cofilin and actin microfilaments, which may provide a new target for therapy.
Scientists have discovered a connection between Apobec3 and the production of neutralizing antibodies against HIV, potentially shedding light on why most people who contract the virus don't develop effective immunity. The study's findings could lead to new insights into developing HIV drugs and vaccines.
A large-scale study has identified a range of genetic mutations and signaling pathways disrupted in glioblastoma, the most common adult brain cancer. The findings validate the potential of unbiased genome analysis to lead to paradigm-shifting discoveries and identify new targets for treatment.
The NC State-led FREEDM ERC will develop technology to transform the nation's power grid into a smart grid that can store and distribute energy from renewable sources. This 'Internet for energy' system will enable millions of users to generate their own energy and sell excess back to the power companies.
A new computer program may reveal a way to predict premature birth with greater accuracy. The system, developed by Australian researchers and a pathology company, analyzes hormone levels to identify high-risk pregnancies.
The Lancet Editorial emphasizes the importance of independent medical assessment for hunger strikers and criticizes the lack of emphasis on impartial advice and care. Force feeding is deemed unacceptable in clinical management, and prisoners or detainees are entitled to highest clinical standards worldwide.
A lack of standard definition hinders efforts to regulate predatory lending practices, which target borrower vulnerabilities and involve excessive lending beyond affordable capacity. Researchers recommend strengthening industry standards through legal action and self-regulation.
UVA researchers have developed a method to reduce MRSA infections by rotating antibiotics every three months, resulting in a significant decrease in infection rates from 1.9 to 1.4 patients per 100 admissions. In-hospital mortality from surgical ICU-acquired MRSA infections also fell to zero.
A recent study found that public health institutions can increase HIV prevention program enrollment by up to 15% by offering a neutral message, rather than an invitation to counseling. This approach is particularly effective for participants with no intention of using condoms.
A new study found that firms with high analyst coverage engage in excessive external financing and capital spending, resulting in lower future returns. Firms with high analyst coverage tend to have higher levels of investment compared to those with low analyst coverage.
Researchers have developed a new class of polymer-based semiconductors that distribute themselves evenly at the top and bottom of the film, enabling large-scale manufacturing. This breakthrough could lead to practical, high-performance electronic devices such as flexible displays and photovoltaic cells.
The study identifies frequently mutated genes, including ERBB2 and NF1, which were previously underestimated in their role in glioblastoma. The analysis also provides a wide view of how cell pathways are altered during the initiation and growth of glioblastoma, offering insights into strategies to diagnose and treat the disease.
The new calibration system uses a Nobel Prize-winning technology to create an extremely precise 'ruler' for spectrographs. This will enable astronomers to accurately measure the velocities of stars and galaxies, search for planets around other stars, and study the expansion of the Universe.
A team of researchers has conducted a comprehensive analysis of genomic variation in glioblastoma, the most common and aggressive primary brain tumor. The study's findings highlight the importance of integrating genomic and epigenomic measurements to better understand cancer genetics.
A new study in International Studies Review uses social psychology to understand Japan's nuclear restraint, finding that persuasion, identification, and conformity are key factors. The research suggests that Japan's faith in the NPT is rooted in its desire to be seen as a successful state, rather than a deterrent.
A new study led by FSU researcher James B. Elsner found that the strongest tropical cyclones are getting stronger, particularly over the North Atlantic and Indian oceans. Ocean temperatures play a role in driving this trend, consistent with the 'heat-engine' theory of cyclone intensity.
Associate professor C. Erec Stebbins at Rockefeller University has been awarded a prestigious EUREKA grant to exploit a 'nanosyringe' technology for delivering proteins into specific cells. The grant aims to develop therapeutic applications, including restoring tumor-suppressing proteins and treating genetic diseases.
Researchers have found that large flightless birds of the southern continents did not share a common flightless ancestor. Instead, each species lost its ability to fly after diverging from ancestors that had the ability to fly. This challenges the long-held assumption of vicariance and suggests parallel evolution among these bird species.
Researchers at WPI aim to develop a novel method for transforming adult skin cells into stem-like cells using an extract from the African clawed frog. If successful, this could lead to treatments for degenerative diseases like diabetes and Parkinson's.
According to a landmark government study, nearly half of adults will develop painful knee osteoarthritis over their lifetime, with obesity being a major risk factor. The Arthritis Foundation recommends techniques such as weight control, exercise, and self-management programs to reduce pain and disability associated with arthritis.
The study identified civic engagement as a distinct retirement role, characterized by volunteerism and paid work impacting the local community. Engaged retires differ significantly from those who volunteer less or do neither.
Researchers at Harvard School of Public Health suggest a broader approach to treating potentially suicidal individuals, addressing not only mental illness but also access to lethal means. This population-based approach recognizes that the physical environment can have a profound effect on the likelihood of completed suicide.
Researchers at Florida Atlantic University have developed a Probabilistic Voting-based Filtering Scheme to protect WSNs against fabricated reports with false votes and false validation votes. This scheme can detect compromised sensors in real-time, minimizing false alarms and wasteful response efforts.
MIT researchers have developed a technique called amplitude spectroscopy that can characterize the properties of artificial atoms used in quantum computing. This approach enables the study of quantum entities over broad frequency ranges, which is essential for understanding and engineering atomic-scale devices.
Scientists at Argonne National Laboratory will develop MADMAX, a tool to measure distances within proteins, potentially revolutionizing the development of new drugs. The technology could provide unprecedented insight into protein movement and behavior.
A new study confirms Pycnogenol's effectiveness in reducing knee osteoarthritis symptoms, with a 20.9% improvement rate and significant reductions in pain and joint stiffness. After treatment cessation, the joints showed no relapse, suggesting a potential lasting effect on joint health.
The University of Tennessee at Knoxville has been awarded a $16 million NSF grant to create the National Institute for Mathematical and Biological Synthesis, or NIMBioS. Researchers from around the world will collaborate on finding creative solutions to pressing problems in fields like animal disease control and wildfire management.
Researchers aim to inform safety by design, safe disposal, and safe manufacturing handling for industrial-scale nanoparticles. The study tracks tagged nanoparticles in the environment to determine their bioaccumulation and transport through the food chain.
A study published in Neurology found that taking cholesterol-lowering drugs after a stroke or mini-stroke lowers the risk of another stroke in both young and elderly individuals. The study involved over 4,700 participants aged 18 and older, with significant reductions in LDL 'bad' cholesterol levels.
Researchers have discovered unique hybrid protein complexes that form when Abeta amyloid and a-synuclein interact, altering neuronal activity. This study provides a model for developing new drugs to treat these devastating neurological diseases.
Researchers at Emory University School of Medicine discovered that human arteries play distinct roles in the immune system depending on their anatomical location. Different types of arterial samples had varying Toll-like receptor gene expressions, which may explain why certain vascular diseases affect specific parts of the body.
Researchers at M.D. Anderson Cancer Center discovered that 50% of HER2-positive breast cancer patients showed no signs of disease after surgery treated with Herceptin. However, some patients developed tumors that converted from HER2 positive to negative status, suggesting potential resistance to the therapy.
Scientists at Carnegie Institution's Geophysical Laboratory study nitrogen under extreme conditions, discovering changes in its melting temperature and structure. These findings could lead to the development of new high-energy fuels with potentially higher energy content than existing materials.
The grant will allow researchers to investigate how different civil infrastructures interact with each other after a disaster, enabling better coordination and preparedness. The software will help emergency response officials formulate more effective plans by analyzing the interdependency of systems.
A study found that hospitalized patients with chronic kidney disease (CKD) are at higher risk of experiencing adverse consequences of medical care. CKD patients were more likely to experience complications such as infections, respiratory failure, and post-operative hip fractures.
The new statistical model incorporates serum sodium and MELD scores to prioritize the sickest patients, reducing mortality by 7% among those with low sodium levels. Mayo Clinic's improved tool aims to ensure timely transplants for those with advanced liver disease.
Researchers used an instrument to track daily patterns in the chemical makeup of Mexico City's smog, identifying aerosols from industrial emissions, fires, and charcoal use. The study provides insights into the sources of persistent pollutants, informing policies to improve air quality.
The contest aimed to raise public awareness of pressing science issues, such as climate change and renewable energy. Young voters submitted essays, videos, and audio entries highlighting their preferred science issues for the next U.S. president and Congress to tackle.
A nationwide study found that black women are less likely than white women to receive standard radiation therapy after a lumpectomy, with significant regional variations. The disparity affects over 37,000 patients and highlights the need for further research into underlying reasons and potential barriers to care.
Research found that a specific gene variation associated with pair-bonding in voles also affects human males, leading to weaker relationships and increased marital problems. Women married to men carrying the variant reported lower marital quality without lower satisfaction.
Researchers found that site-specific nitrogen and seed density management strategies did not consistently increase profit, but may benefit in certain situations with high maize to nitrogen fertilizer price ratios. Fertilizer nitrogen use efficiency was high across all site-years.
Researchers estimate 1,672 billion metric tons of carbon locked up in permafrost, more than double the 780 billion tons in the atmosphere today. The thawing process could release significant amounts of greenhouse gases, supplementing human-influenced emissions.
Research suggests that nicotine's power lies in how it enhances other experiences, such as coffee. This may explain why smoking is hard to quit. Nicotine can make pleasurable activities more enjoyable, increasing its addictive nature.
A new study by UT Southwestern researchers found that conservative treatment can effectively manage 'superbug' breast infections in nursing mothers. The study revealed that community-associated MRSA was more common among women with both mastitis and abscesses, but not all cases required antibiotics against MRSA.
A study published by the American Physiological Society found that quercetin, a naturally occurring substance in fruits and vegetables, reduces the likelihood of contracting the flu. The study also showed that stressful exercise increases susceptibility to the flu, but quercetin cancels out this negative effect.
Researchers have determined the 3D structure of UHRF1's Set and Ring Associated domain, crucial for ensuring accurate epigenetic code copying. This breakthrough facilitates a better understanding of epigenetics and its role in cancer development.
A team of Chinese scientists has developed an 'anti-cloak' material that can partially cancel the effect of invisibility cloaks, enabling visibility in hostile environments. This breakthrough could have implications for survival and detection applications.
Researchers at NYU and AMNH will model two plant species, Arabidopsis thaliana and Oryza sativa, using bioinformatics to gain insights into protein structure and function. The project aims to annotate the functions of unknown proteins in plant genomes, shedding light on their roles in cellular processes.
A large study found that ICDs improve longevity without significantly affecting the quality of life for heart failure patients. Researchers monitored patients' quality of life scores over 30 months and found improvements at 3-12 months, but differences diminished over time.
Merging multiple CT images simplifies probe repositioning during radiofrequency ablation treatments, according to a recent study. The summation method allows for rapid and accurate visualization of treated areas, increasing the effectiveness of the treatment.
Michelle Krogsgaard, a NYU Cancer Institute pathologist, has been awarded the NIH EUREKA grant to explore novel techniques in T-cell signaling. Her research aims to enhance the immune response in patients with HIV or cancer and diminish T-cell activation in autoimmune disease.
A new study published in the British Journal of Nutrition found that eating high-quality protein foods for breakfast leads to a greater sense of sustained fullness throughout the day. The study concluded that consuming more protein at breakfast, rather than lunch or dinner, is critical for maintaining feelings of fullness.
A new study found that college freshmen believe occasional nonmedical use of prescription pain killers and stimulants is less risky than cocaine, but more risky than marijuana. Sensation-seekers are more likely to use these drugs nonmedically regardless of their perceived harm.
Researchers found that 52% of respondents reported poor mental health, while 48% reported poor physical health, with some issues tripling after the hurricane. The study highlights the need for continued support and interventions to address long-term health problems in disaster survivors.
Researchers found that combining adult cardiomyocytes with bone marrow cells enhances therapeutic effects and reduces programmed cell death. The technique shows promise as a new strategy for myocardial repair, with potential applications in cardiac tissue regeneration.
Conventional evaluation methods such as cross-validation and resampling have been shown to be unreliable when dealing with small sample sizes, leading to inaccurate classification results. The study suggests that Bayesian methods can provide reliable measures of uncertainty and should replace these outdated approaches.
A team of astronomers has obtained the closest views ever of a super-massive black hole at the center of the Milky Way galaxy. The new observations revealed the highest density yet for the concentration of matter at the galaxy's center, supporting the existence of black holes.
Debra DeMella, a brain tumor survivor, received the 2008 Survivor Circle Award from the American Society for Radiation Oncology (ASTRO) for her dedication to helping others living with cancer. She founded Brainstormers, a brain tumor support group, and served on various boards to improve quality of life for patients.
Researchers used an engineered virus to deliver a glowing protein into newborn brain cells in an animal model of Parkinson's disease, revealing most cells are glial and do not form neurons. Further gene delivery experiments showed no effect on neuron formation but increased the number of oligodendrocytes supporting neurons.
Researchers found that transplantation of human cord blood cells can repair cochlear damage in animal models, with dramatic repair observed despite few human-derived cells migrating to the cochlea. The study suggests a potential treatment strategy for inner ear rehabilitation and hearing impairments caused by cochlear damage.