Researchers found that cytomegalovirus (CMV) can speed the progression of glioblastoma, a deadly form of brain cancer, when particular genes are shut off. CMV was found to stimulate tumor-cell proliferation by activating a biochemical cell pathway called STAT3.
Researchers have discovered that genetically engineered immune cells can promote healing in mice infected with a neurological disease similar to multiple sclerosis. The new finding suggests that immune cells could be engineered to create a new treatment for people with MS.
The American Thoracic Society has released new clinical practice guidelines on sleep apnea, sleepiness, and driving risk for non-commercial drivers. The guidelines recommend assessing daytime sleepiness and recent crashes or near-misses due to sleepiness, fatigue, or inattention.
Resuscitation efforts should be guided by expert advice, taking into account scenarios where CPR may not be beneficial. Key considerations include witness status, time elapsed since cardiac arrest, patient wishes expressed through living wills or proxies, and potential risks to medical personnel.
Researchers found that the experimental drug selumetinib significantly improved progression-free survival, with nearly 16 weeks of PFS, and showed significant tumor shrinkage in patients with advanced uveal melanoma. This breakthrough offers a new treatment option for a historically untreatable disease.
Researchers found that crizotinib boosts median disease progression time to 7.7 months, compared to 3 months with standard chemotherapy, in patients with non-small cell lung cancer harboring an abnormal ALK gene.
Mount Sinai researchers identified genetic markers for survival in melanoma patients and found high readmission rates after cancer surgery in non-teaching hospitals and among black patients. They also discovered low prevalence of spousal HPV infection, reassuring long-term partners that their risk is very low.
Two MGH-led studies show crizotinib is superior to chemotherapy for advanced ALK-positive non-small cell lung cancer, with over double the progression-free survival. A second study reports the first crizotinib resistance in a ROS1-positive lung tumor, revealing the mechanism underlying that resistance.
The American Thoracic Society has released new clinical practice guidelines on sleep apnea and driving risk, highlighting the significant role of obstructive sleep apnea in daytime sleepiness and crashes. The guidelines recommend assessing patients for sleepy driving and providing treatment to reduce the risk of accidents.
In the UK, healthcare staff cannot test unconscious patients for HIV without consent, despite the risk of infection and potential psychological impact. Experts argue that changing the law would protect both patients and healthcare workers.
A new osteoporosis treatment has shown promise in improving bone density in young people with cystic fibrosis, who often struggle with low bone mass despite standard treatments. The drug, bisphosphonates, has been found to significantly increase bone mineral density and reduce the risk of fractures in these patients.
A study led by Johns Hopkins investigators found that long-term couples need not change their sexual practices due to low oral HPV infections among spouses/partners. Persistent oral HPV infections are a risk for developing oropharyngeal cancers, but the study suggests these risks remain low.
Scientists aim to apply plant-inspired principles to develop cutting-edge technology, such as intelligent robots that can adapt to unknown environments. By investigating gene regulatory networks and self-organisation in plants, the team hopes to create more resilient and efficient robot swarms for applications like space exploration.
A new system of inflatable sound absorbers can modify a performance hall's acoustics to accommodate various musical styles, such as classical and rock. The technology has been shown to lower reverberation times by up to 45% in relevant frequency bands.
Scientists discover protein c-FLIP-R that confers protection on immune cells against apoptosis, a type of cellular suicide. The discovery reveals mice with elevated c-FLIP levels are less susceptible to Listeria infections, sparking hope for potential therapeutic approaches.
A team of researchers has created a new type of microphone modeled on the sensitive ears of a parasitic fly, achieving better acoustical performance than what is currently available in hearing aids. The design uses a microelectromechanical microphone with active Q control and optical sensing, reducing noise floor by 17 decibels.
Researchers found that senior athletes outperformed their junior counterparts in most events, with a significantly greater percentage of improvement in lifetime best performance. Only 23.6% of junior athletes went on to medal in the Olympics, while 29.9% of Olympians won medals earlier in their career.
The UC Riverside FACES project uses facial recognition technology to analyze portraits of historical figures, including Dante, Lorenzo de' Medici, and Shakespeare. The researchers aim to develop an algorithm that can accurately identify subjects despite variations in facial expressions, aging, and artistic styles.
A new study found that exposure to general anaesthesia may increase the risk of dementia in elderly patients by 35%. The research analyzed data from a prospective population-based cohort and found that participants who received general anaesthetics were more likely to develop dementia. This increased risk was significant even after adj...
A study published in Applied and Environmental Microbiology reveals that microbial changes can regulate entire ecosystems, specifically mitigating the release of methane, a powerful greenhouse gas. The research found that type II methanotrophic bacteria replaced other microbes, oxidizing methane and reducing its impact.
Research by Iowa State University engineers found that ultrasound consistently enhances biomass conversion into high-value fuels and chemicals. The technology also accelerates lignin removal, hydrolysis of corn starch, and transesterification, leading to faster production times and potentially significant cost savings.
A new approach achieves independent listening zones within a car by using small, modified speakers to produce directional sound fields. The new design optimizes audio signals used to drive each of the speakers, reducing intergenerational audio conflict in cars.
A recent study by Columbia Business School professors found that using precise dollar amounts in negotiations can lead to more favorable outcomes. The researchers discovered that people making precise offers are perceived as more informed, causing their counterparts to concede more value.
Researchers found that young birds have a diverse range of bacteria in their guts, while adults have a more stable community of species. As birds mature, the number of bacterial species decreases, and a stable community forms.
Researchers found that an EGFRvIII mutation alters the splicing of genes controlling cellular metabolism, enabling rapid tumor growth. The study highlights the critical role of EGFRvIII in GBM pathogenesis and provides new targets for oncogene-specific drug development.
A new study suggests that performance in foundational biology courses is a strong predictor of performance in high-level animal science courses. Students who take genetics as sophomores and juniors tend to perform well, while those who wait too long may struggle with advanced courses.
Researchers at UC Irvine have discovered that circadian rhythms play a crucial role in the body's immune response to intestinal infections. The study suggests that targeting treatments that supplement the power of the body clock could be an effective approach to treating bacterial pathogens like salmonella.
A new Raman spectroscopy algorithm can accurately diagnose breast cancer and its associated lesions, reducing the need for repeat biopsies. The algorithm showed positive predictive values of 100% and negative predictive values of 96% for detecting breast cancer with or without microcalcifications.
A study by researchers at the University of Georgia found a strong correlation between poultry farm contamination and later processing plant contamination. The findings suggest that reducing pathogens on farms can reduce contamination levels at processing plants, potentially lowering the risk of foodborne illness.
A study found that Cuban tree frog chorusing impairs the acoustic behavior of green tree frogs, causing them to double their call rate. The researchers suggest this may come at a cost, diverting energy away from essential functions.
Mathematical analysis reveals that viral blips occur naturally due to infection rate saturation, not external triggers. Models propose a 5-dimensional immunological model that can generate blips, applicable to various viral diseases and autoimmune disorders.
A new study reveals that squid are vulnerable to acidic conditions in the ocean, which could have far-reaching effects on the ecosystem. The research found that squid reared in more acidic seawater were smaller, had misshapen statoliths, and took longer to develop.
A new study by Indiana University researchers found that highly active college-age individuals and middle-aged men and women do not exhibit arterial stiffening, a risk factor for cardiovascular disease. This suggests exercise may have beneficial effects on vascular health in young populations.
Researchers found that entrepreneurial personality structure is more prevalent in Western US states, Germany's Berlin-Hamburg axis, and Great Britain's East of England region. This correlation suggests a link between regional personality traits and entrepreneurial activity.
Dozens of agricultural fires were detected in western Mexico, likely set to manage land for crop growth, but producing smoke that degrades air quality. The fires were outlined in red by NASA's MODIS satellite on May 30, 2013.
A recent study by Columbia University researchers reveals that graphene can achieve almost the same strength as its perfect crystalline form, even with defects. The team developed a new process that prevents damage during transfer, leading to surprisingly strong results.
Scientists have determined the precise chemical structure of the HIV capsid using a supercomputer on a 64 million-atom sample. The discovery has provided valuable insights into the development of new antiretroviral drugs that can suppress the HIV virus and stop AIDS progression.
A new study shows that spending time on one's own Facebook profile can increase self-esteem. However, this boost in self-esteem ultimately diminishes motivation to perform well in tasks. The study used the Implicit Association Test and found significant effects of Facebook profile viewing on psychological effects.
A new study finds that HIV-positive transgender individuals have similar rates of retention, antiretroviral therapy coverage, and HIV suppression as nontransgender peers. Advances in HIV treatment and increased attention to LGBT health may contribute to the improvement in outcomes.
A 17-year study on coral colonies off South America reveals the devastating impact of El Niño on coral diversity and density. The study found that it took 13 years for the coral reef system in Brazil to recover from the event, highlighting their vulnerability to climate-related changes.
Some of the world's poorest countries have cut maternal and young child mortality rates by half or more, according to a new report from Countdown to 2015. Remarkable progress has been achieved in expanding programs to prevent HIV transmission and vaccinate children against life-threatening illnesses.
The Center for World Health and Medicine is studying anti-secretory drugs to prevent dehydration in children with diarrheal disease. The goal is to develop effective and inexpensive treatment options for developing countries where access to rehydration therapy is limited.
Many GPs incorrectly view nicotine as more harmful than smoke, despite understanding that smoking is riskier. This misunderstanding may influence advice on alternative nicotine products.
Doctors at WashU Medicine have shown that testing cervical tumors before treatment can predict whether patients will do well with standard chemotherapy. The study supports personalized medicine for cervical cancer, a tumor normally treated with a one-size-fits-all approach.
Scientists discovered that elevated carbon dioxide concentrations have caused a significant increase in foliage cover across warm, arid environments globally. The study found that the CO2 fertilization effect led to an average 11% increase in foliage, with some regions experiencing up to 10% growth.
Researchers have studied cicadas to understand their sound production, which is unique in the insect world. The cicada's chirp is nonlinear and involves a ribbed membrane that vibrates when its body deforms.
Theoretical mathematical models can help analyze viral dynamics in the early phase following exposure to HIV, providing insights into therapeutic and prevention strategies. The models suggest that reverse transcriptase inhibitors are more effective than protease inhibitors for PrEP, while fast initiation of treatment is crucial for PEP.
Scientists at TUM have found that magnetic monopoles can erase data in magnetic vortices, called skyrmions. This discovery has the potential to create extremely compact and long-lived storage media with significantly reduced power consumption.
Revascularization procedures have reduced the need for amputations in peripheral arterial disease patients by 40% over two decades, according to Mayo Clinic research. The study analyzed patients with leg pain and found that as use of revascularization rose, the amputation rate dropped.
Researchers studied how speakers from central Ohio pronounce 'for' and 'for a,' finding that Neil Armstrong's quote is highly compatible with either interpretation. The study sheds light on understanding how people perceive meaning in spoken language.
Researchers found that visual cues like texting improve performance in noisy environments, making it easier to understand messages. Adding text messaging as a supplement to audio presentation significantly reduces difficulties in communication during auditory overload situations.
Scientists have created global maps showing how shipping noise affects the ocean, with high levels appearing in northern Atlantic and Pacific Oceans and along major shipping routes. The models take into account factors like water temperature, pressure, and sediment type to predict sound wave propagation.
Researchers from UT Austin found that small fires can muffle the PASS device's alarm, merging its two distinct whistles into one. Increasing the alarm volume may help mitigate this issue.
A new study found that injection drug users living with HIV/AIDS who were food insecure at the start of life-prolonging antiretroviral therapy were twice as likely to die compared to those who were food secure. Researchers also found that hunger was not a primary cause of mortality in this population.
Researchers have taken direct, single-bond-resolved images of individual molecules before and after a complex organic reaction, revealing atomic changes. The technique used is non-contact Atomic Force Microscopy (nc-AFM), allowing for the precise study of molecular structures.
Hurricane Barbara made landfall along Mexico's southern Pacific coast, with NASA-NOAA satellites capturing its movement and rainfall rates. The storm weakened into a tropical depression after making landfall, with remnants dissipating over the western Gulf of Mexico.
Scientists found that lead exposure can trigger schizophrenia-like behaviors and brain structural changes in mice engineered with a human gene for the disease. The study suggests a synergistic effect between lead exposure and a genetic risk factor, opening avenues to better understand complex gene-environment interactions.
A new study of young women with breast cancer found that most opted for a mastectomy rather than breast-conserving surgery. Factors associated with this choice included genetic mutations, tumor characteristics, and high levels of anxiety. The researchers hope to shed light on why rates of mastectomies are rising among younger patients.
Researchers at Fox Chase Cancer Center are conducting further tests on the drug nivolumab, a monoclonal antibody that targets the immune system's response to cancer. The therapy appears to produce largely manageable side effects and has shown potential in treating tumors more effectively than current treatments.
Scientists discover chemical reaction between iron-containing minerals and water can produce enough hydrogen to sustain microbial communities, hinting at possibility of hydrogen-dependent life on Mars. The study also suggests that such reactions could take place in the ocean's crust at lower temperatures than previously thought.