Rice University researchers have developed a new method to identify previously hidden details about proteins' structures, potentially accelerating novel drug design. By combining structural data and genomic analysis, the team predicted intermediate configurations of proteins that were hard to detect.
Research reveals racial disparities in pediatric liver transplant survival, with higher graft and patient survival rates among white children. Socioeconomic differences also contribute to these disparities, highlighting the need for further investigation and intervention.
Rhomboid proteases, involved in Parkinson's disease and parasite infections, are extremely slow and show no attraction to proteins, making it difficult to design drugs. These enzymes 'stop and frisk' all unstable proteins indiscriminately, allowing stable proteins to escape without injury.
Researchers have identified a specific region of the brain that responds to electrical stimulation by inducing feelings of determination and motivation. This region, the anterior midcingulate cortex, is linked to emotions, pain, and decision-making, and its stimulation can help individuals anticipate challenges and overcome them.
ETH Zurich researchers discovered a mechanism that enables yeast cells to memorise 'bad experiences' during reproduction by forming protein aggregates. These aggregates make future mating attempts more difficult, conserving energy and preventing unproductive reproduction. The system appears to be universal and relatively old in evolution.
Researchers have identified a priming cocktail that improves the success of cardiac stem cell grafting, enhancing cell adhesion and proliferation. The discovery has potential applications for treating the 700,000 Americans who suffer from heart attacks each year.
Mouse models of cancer exhibit distinct DNA methylation patterns compared to human cancer samples, highlighting the need for more accurate preclinical development tools. The study provides insights into aberrant DNA methylation mechanisms in human cancer.
Scientists at Sanford-Burnham have identified the B and T Lymphocyte Attenuator (BTLA) inhibitory receptor as a key factor in limiting inflammatory responses, particularly in the skin. The study provides clarity on how T cells get fired up to protect against pathogens, and then cool down to restore immune homeostasis.
Researchers found that rates of powder and crack cocaine use vary among high school seniors, with different risk profiles associated with each form of the substance. Factors such as socioeconomic status, education level, and geographic location also play a role in determining likelihood of use.
Researchers found that states adopting more alcohol and traffic laws had a 14.5% decrease in traffic fatality rates compared to those adopting fewer laws. The study suggests policymakers should focus on bringing weaker protection states up to speed, as lagging behind leads to more deaths.
Researchers at UEA are launching a project to develop a non-mammalian screening tool for predicting drug safety. The project aims to reduce the use of animals in pharmaceutical testing by using mammalian cells, early frog embryos, and computer modeling.
A Kyoto University research team developed a method to produce erythrocyte progenitor cells with almost unlimited replication ability in vitro. These cells were successfully differentiated into mature erythrocytes with oxygen-carrying capacity, showing potential for a reliable transfusion system.
A new study by Julian Sonner suggests that creating two entangled quarks simultaneously gives rise to a wormhole connecting the pair. This finding bolsters the idea that quantum entanglement may play a key role in understanding gravity, potentially leading to a theory of quantum gravity.
Daniel G. Streicker's research using viral infections in bats aims to understand how infectious diseases jump between species and prevent disease transmission. He has developed a novel population genetic framework to determine transmission rates and shown that host biology can shape the speed of viral evolution.
Researchers at Caltech found that altering gut bacteria can improve autism-like behaviors in mice, reducing GI problems and improving communication and social interactions. The probiotic treatment corrected a 'leaky' gut characteristic associated with autism.
Researchers at Rhode Island Hospital validated the Critical-Care Pain Observation Tool (CPOT) as an accurate measure of pain level in non-verbal cardiac surgery patients. The study found that CPOT provides a reliable tool for pain assessment, improving patient outcomes such as reduced ventilator use and better pain management.
Researchers create progerin-induced aging in stem cells, accelerating disease modeling by weeks, not years. This breakthrough opens avenues for preventing and treating late-onset disorders.
Researchers at UC Irvine and Germany have identified the molecular mechanism behind cataract formation, which could lead to new treatments. Understanding how crystallin proteins interact with genetic mutations, UV light, or chemical damage may enable the development of better artificial lenses and drugs.
Researchers found that geoengineering methods to reduce temperature by reflecting sunlight are unlikely to restore the planet's original climate. This is because altering sunlight can have unwanted effects on the Earth's water cycle and rainfall patterns.
Scientists at the University of Eastern Finland have created a new diagnostic tool for migraines, detecting 'hot spots' in pulsatile perfusion and asynchronous facial blood supply. The Blood Pulsation Imaging technique has significant implications for predicting, diagnosing, and monitoring migraine treatment.
A University of Colorado Cancer Center study validates the CARING criteria, a prognostic tool determining risk of death within a year of hospital admission. The tool uses five criteria: cancer diagnosis, chronic illness admissions, nursing home residency, ICU admission with multi-organ failure, and hospice guidelines.
Researchers used neuroelectrophysiology to prove the objective existence of propagated sensation along the meridian. By stimulating specific acupoints, they observed a high potential reaction in corresponding brain areas, indicating the meridian's presence.
A recent study published in Clinical Journal of the American Society of Nephrology found that acute kidney injury is associated with higher mortality rates compared to heart attacks. Patients who experienced both conditions had a significantly higher risk of death.
A meta-analysis found that healthier diet patterns cost significantly more than unhealthy ones, with an average daily difference of $1.50, representing a real burden for some families. The study suggests creating policies to offset these costs and reduce the economic benefits of healthy diets.
Researchers at A*STAR's Institute of Medical Biology and Institute of Molecular and Cellular Biology have identified a gene encoding a hormone called ELABELA, which is crucial for heart formation in zebrafish embryos. The discovery holds great promise for the development of targeted therapies for heart disease and blood pressure control.
Researchers from North Carolina State University have updated a toxicology database to track therapeutic drugs and their unintentional toxic effects. The database, which contains over 250,000 statements, helps investigators develop and test hypotheses about how drugs cause adverse events.
Researchers found that a cancer trigger may be the cause of autoimmune disease scleroderma, which causes skin thickening and widespread organ damage. The study suggests that dampening down the immune response in scleroderma could instead be replaced by targeting the underlying cancer.
Researchers find remarkably low frictional heat produced by fault slip during magnitude 9.0 Tohoku-Oki earthquake, which triggered devastating tsunami. The low resistance to slip may explain the large amount of slip that occurred during the earthquake.
A 115-million-year-old fossilized wasp from Brazil features an ovipositor similar to those of present-day fig wasps, raising questions about the co-evolution of these organisms. The finding highlights the value of studying insect fossils for understanding evolutionary history and plant origins.
Scientists at UC Riverside identified a key target for disrupting mosquito host-seeking behavior, which could aid in controlling disease transmission. They discovered compounds that can block the mosquito's CO2 and skin-odorant receptors, reducing attractiveness and creating an affordable alternative to traditional CO2-based mosquito t...
Researchers create professional development program to foster classroom dialogue, leading to increased student interest and motivation. The program involves video recordings of seminars and class time analysis, promoting a relaxed control environment and individual attention.
The discovery of HD 106906 b, a giant planet orbiting its star at 650 times the average Earth-Sun distance, has puzzled astronomers. The planet's unusual orbit and mass throw doubt on existing planet formation theories, leaving scientists searching for alternative explanations.
NASA's Aqua satellite detected a low-pressure system with strong convection and high thunderstorm cloud tops in the northern Indian Ocean. The system is expected to develop into Tropical Depression 06B and move north-northeastward towards the Bay of Bengal, with wind speeds estimated at 25-30 knots.
A recent international study found two lower-dose intrauterine contraceptive systems to be highly effective and well-tolerated over a three-year period. The devices were easier to use in women who had not delivered a child or had delivered by cesarean section, making them a suitable alternative for women seeking reduced hormone exposure.
System 90L has developed in the eastern Atlantic Ocean and NASA's Aqua satellite captured infrared data on the clouds, revealing strongest thunderstorms northeast of the center. The non-tropical low is generating tropical-storm-force winds but is expected to be affected by strong upper-level winds shear, likely preventing organization.
Researchers found that adolescent mice consume more alcohol when surrounded by peers, challenging the assumption that peer pressure is solely responsible for teen risk-taking. This study supports Steinberg's previous findings that peer influence primes the reward system in adolescents.
A team of international scientists has published studies revealing a submarine earthquake caused the devastating 2011 tsunami in Japan's Tohoku region. The findings suggest that other zones in the northwest Pacific may be at risk of similar huge earthquakes due to unusually thin and slippery geological faults.
A new study found that fruit flies exhibit a strong preference for laying eggs on citrus substrates compared to other types of fruit. The basis for this preference lies in a single odorant receptor called Or19a, which is responsible for detecting the characteristic smell of citrus.
Female lemon sharks born in Bimini returned to give birth on the same island 15 years later, confirming natal philopatry. Local and international conservation efforts can make a significant impact in recovering coastal shark populations.
An international team of scientists has measured the 'frictional heat' generated during the rupture of Japan's 9.0 Tohoku-Oki earthquake in 2011. The study found that the fault is more slippery than previously thought, with a friction coefficient of 0.08.
The study examined changes in brain functional activity and central networks in subjects with migraine undergoing acupuncture at Shaoyang uncommon acupoints. Acupuncture has been shown to be a recommended treatment for migraine sufferers, but the central analgesic mechanism remains poorly understood.
Research reveals that synaptophysin expression decreases with age in the hippocampus, strongly associated with age-related memory impairment. Caveolin-1 protein also declines with age, suggesting a link between these proteins and age-dependent loss of synaptic plasticity.
A recent study by Kaiser Permanente found that tracking exercise habits leads to small but clinically significant weight loss and improved glucose control in overweight patients. The program, which asks patients about their exercise habits during routine visits, has been implemented across the organization's healthcare system.
Scientists predict a 1.5-3.5 foot sea-level rise in New Jersey by 2050 and 2100, exceeding previous flood records, including Superstorm Sandy. This increase is attributed to global average sea-level rise, sediment compaction, and changes in ocean dynamics.
Researchers found that while vegetation growth in the Arctic boosts carbon release, it's not enough to offset the losses from thawing permafrost. The study simulated warming of Arctic permafrost and measured carbon release from the soil and microbes.
A new guideline recommends most immunocompromised patients receive annual influenza shots, while those with cancer or undergoing chemotherapy should not. The guideline aims to provide 'one-stop shopping' for clinicians caring for immunocompromised patients.
Researchers found that gut bacteria changes are associated with autism-like behaviors in mice, which improved when treated with beneficial bacteria. The study suggests a potential therapeutic role for probiotics in treating gastrointestinal and behavioral symptoms of autism.
Researchers used induced pluripotent stem cells to test NSAIDs on human neurons, finding they failed to respond despite initial success in cell and animal models. The study highlights the importance of testing compounds directly in authentic human cells for more reliable drug development approaches.
Medical researchers at the University of Alberta found that one chemotherapy drug prevents another from working, making combination therapy ineffective. This discovery will guide oncologists on how to combine or avoid certain drugs, ultimately leading to better treatment options for patients.
Researchers found that brain cancer cells temporarily lose their EGFRvIII gene mutation to evade drugs, then re-amplify it after therapy is stopped. This 'hide-and-seek' mechanism makes targeted therapies less effective, with implications for improving treatment outcomes.
Researchers analyzed five million images associated with 48 brands to identify visual concepts and keywords. The study complements online text data analysis and suggests new directions for computer vision in electronic commerce.
Researchers at Berkeley Lab created a zero-index metamaterial that generates phase mismatch-free nonlinear light, holding promise for future quantum computing and networking. The material features a fishnet structure and has been shown to preserve optical momentum conservation in all directions.
Researchers have developed a novel DNA engineering technique to discover potentially valuable functions hidden within bacterial genomes. By reprogramming gene expression, they were able to increase the production of previously unknown compounds with useful biomedical applications.
A Tel Aviv University study found that moderate caffeine consumption shortens telomeres, a key indicator of aging and cancer risk, while moderate alcohol consumption lengthens them. The research suggests that environmental factors can impact telomere length, which could inform the prevention and treatment of human diseases.
A study by Dr. Sha Liu and colleagues found that progesterone administration can reverse cognitive impairment in Alzheimer's disease patients. The research, published in Neural Regeneration Research, used rat models to demonstrate the protective effect of progesterone against Aβ25–35-induced neurotoxicity.
Researchers found that home-based high-intensity interval training increased maximal oxygen uptake significantly after one year, even among those who didn't follow the prescribed program. Patients who trained at home also showed a strong tendency to engage in more physical activity long-term.
A new study suggests that vaginal administration of erectile dysfunction medication sildenafil citrate may alleviate moderate to severe menstrual cramps with no reported side effects. Researchers found that the drug relieved pain by increasing blood flow, but the exact mechanism remains unknown.
The Total Solar Irradiance Calibration Transfer Experiment (TCTE) mission aims to provide accurate measurements of the sun's energy impact on Earth. The new instrument, deployed in November 2013, will overlap with the existing TIM instrument to ensure continuous data flow and improve accuracy.
Scientists have developed MOFs that can conduct electricity by adding specific molecules, increasing conductivity by a million times. This breakthrough enables new applications in sensing, conformal electronics, and more.
Scientists have demonstrated laser action in semiconductor nanowires that emit light at technologically useful wavelengths and operate at room temperature. The nanowire lasers could represent the next step in developing smaller, faster, more energy-efficient sources of light for various applications.
Researchers investigated sleep breathing in quadriplegic patients and found a significant correlation between spinal cord injury level and sleep-disordered breathing. Those with cervical SCI were more likely to have central sleep apnea, which can be life-threatening if left untreated.
Researchers developed new thermoelectric materials with improved performance and reduced thermal conductivity, enabling more efficient conversion of waste heat into electricity. The study uses hybrid organic-inorganic compounds to achieve higher efficiency.
A large systematic review found no link between vitamin D supplementation and reduced risk of acute and chronic diseases, casting doubt on its benefits. Decreases in vitamin D levels are likely a marker of deteriorating health rather than a cause of disease.
Researchers at the Helmholtz Centre for Infection Research found that mice lacking Tmprss2 protein are protected against certain flu viruses, including H1N1. This discovery highlights a potential new approach to treating flu infections by targeting the host's metabolism.
Researchers found that certain mosquito nerve cells detect human odors and CO2, attracting mosquitoes to humans. They identified two compounds, ethyl pyruvate and cyclopentanone, that can neutralize or activate these detectors, potentially developing new control approaches for mosquito-borne diseases.
Scientists at Rice University and MARUM developed a new computerized model to simulate the complex chemistry at the boundary layer, where quartz and water meet. The model accurately predicts dissolution rates, which could revolutionize engineering calculations related to building materials and radioactive waste storage.
Researchers discovered that glioblastoma (GBM) tumor cells hide the signaling molecule targeted by therapies, adding complexity to current models of drug resistance. The findings suggest alternative approaches that could improve outcomes for cancer patients and may have significant implications for therapeutic regimens.
New research shows microRNA-128 controls complex functions in the adult brain by adjusting a neuronal signaling pathway. Reducing miR-128 expression led to increased motor activity and fatal epilepsy in mice, while overexpression decreased motor activity and reduced seizure susceptibility.
A recent study by TSRI scientists has found that the emerging bird flu strain H7N9 is still mainly adapted for infecting birds, not humans. The researchers analyzed virus samples from the Chinese outbreak and found that H7N9 viruses do not yet seem well adapted for binding to human receptors.
A new study published in The Lancet has found that compression stockings are a cost-effective treatment for venous leg ulcers, reducing recurrence and nurse visits. While some patients may not prefer to wear the stockings, they offer improved value for money for the NHS compared to traditional bandages.
A new study suggests manipulating the Wnt/B-catenin signaling pathway can prompt hair growth in dormant hair follicles. The team also found that this pathway is normally active in non-hairy regions of the skin, suggesting potential therapeutic targets for unwanted hair growth and skin cancer.
A study found that tourist-fed iguanas suffer from physiological problems due to being fed sugary fruits like grapes and lacking essential nutrients. The researchers recommend a balanced diet through specially-formulated food pellets and education campaigns to mitigate the impact of tourism practices.
A Dartmouth College study suggests that more frequent logging or deforestation may better serve the planet and pocketbooks in high-latitude areas where snowfall is common. The research found that including the value of albedo, or surface reflection of incoming solar energy, can shorten optimal forest rotation periods significantly.
A new study suggests that social ties, including relationships with peers and parents, play a more significant role in teen sleep problems than biological factors. The research found that parental monitoring, pro-social friendships, and time spent on screens can impact adolescent sleep habits.
Researchers found that Caribbean reef sharks prefer to approach humans from behind, indicating they can detect body orientation. The study suggests sharks use this information to hunt more effectively.
Researchers developed an algorithm that pairs people according to their past interests and online mating success, rather than who they say they're interested in. The model improves return rates by 44 percent compared to existing models.
A recent study has found that great white sharks have more similar proteins to humans than zebrafish, which challenges current understanding of their evolution. This discovery opens up new avenues for studying shark metabolism and biochemistry, potentially revealing insights into the biology of mammals as well.
Researchers found that nearly 80% of nurse executives preferred or required BSNs for new hires, but only 25% required degree completion within a timeframe. Hospitals with residency programs also offered more training programs, suggesting a cultural value on employee development.
Scientists have discovered that seed material from Moringa trees can bind to impurities in water, allowing for more efficient purification. The study found that clusters of material produced with the protein are more tightly packed than those formed with conventional flocculating agents, making it easier to separate and treat waste water.
Researchers at Johns Hopkins Medicine identified a gene involved in forming brain circuitry using a powerful new technique. The discovery paves the way for faster progress toward identifying genes involved in complex mental illnesses, such as autism and schizophrenia.
Scientists believe Comet ISON may have been destroyed upon approaching the sun, leaving behind small rubble pieces. Telescopes will observe and detect any remaining fragments to confirm the comet's status.
Researchers identified a biomarker for prostate cancer recurrence, revealing that patients with CD151free protein have cancer recur earlier than those without. This discovery may aid in determining patient care and predicting disease progression.
Researchers at the University of Cambridge discovered that crop-infecting viruses use aphids as pawns to spread infection to healthy vegetation. By altering plant biochemistry, these viruses repel visiting aphids and force them to move to healthier plants, unwittingly transporting and spreading the virus.
Researchers found hummingbirds can switch between burning glucose and fructose equally well, unlike humans who struggle with fructose metabolism. This efficient sugar-burning strategy enables hummingbirds to maintain hovering flight while minimizing unnecessary weight gain.
Researchers found that pre-moxibustion prior to Aβ1–42 exposure was more effective than moxibustion after Aβ1–42 exposure in protecting neuronal structure and lowering apoptosis rate. Moxibustion therapy may have a beneficial effect on preventing Alzheimer's disease development.
Researchers from UEA compiled a comprehensive review of primate eating habits, finding that smaller primates eat more insects while larger ones consume more leaves. The study also reveals that some monkeys can easily meet their 'five a day' fruit intake within an hour.
Researchers developed a simple mechanical model to effectively explain DNA's double-stranded structure and elasticity at the nanoscale. The model shows how extreme conditions can cause DNA conformational changes, and its extension is used to study various phenomena such as sequence heterogeneity and protein-DNA interaction.
A computer model found that genetic screening for breast cancer risk in conjunction with MRI can reduce cancer deaths and identify a population at an intermediate risk. The study compared two tests to categorize patients by lifetime risk, finding the 7SNP test was most cost-effective for those with an intermediate risk.
Researchers transformed a $10 webcam into a mini-microscope to detect parasitic infections at the point-of-care. The device uses image recognition software to automatically identify parasite eggs in urine and stool samples.
Scientists at Emory Vaccine Center identified a key immune cell response to yellow fever vaccine that involves the gene GCN2, which regulates autophagy in cells. This finding could lead to more effective vaccines against challenging viruses like HIV or dengue.
Researchers from East China Normal University discovered NMDA receptor 2B subunit gene expression declines significantly associated with memory impairment in aged animals. The study identified key regulatory pathways, including P53 and insulin-like growth factor pathways.
A study found that blacks experience more positive emotions in the workplace than whites, contrary to expectations. The percentage of minority workers in a workplace affects the friendships of whites, with more minorities leading to fewer close white friends.
A study found that HIV infection occurred in 68% of HIV-positive transplant recipients' new organs despite undetectable blood levels. Researchers developed a new, simple urine test to diagnose kidney infections in these patients, which could improve diagnosis and treatment.
A partial skeleton of Paranthropus boisei, a human ancestor characterized by its 'robust' jaw and skull bones, has been found in Tanzania. The find suggests that the species was more ruggedly built than previously thought and had strong forearms and powerful upper body.
The JILA team has developed a method to spin electric and magnetic fields around trapped molecular ions, enabling the first measurement of an electron's electric dipole moment. This technique has major implications for future scientific understanding of the universe and may also be useful in quantum information experiments.
Three mass spectrometers from NASA's Goddard Space Flight Center conducted simultaneous experiments on the moon and Mars to analyze atmospheric and rock samples. This milestone demonstrates the value of these instruments for understanding planetary environments.
Researchers have discovered that tumour cells adopt the 'break-induced replication' (BIR) pathway to repair damaged replication forks, allowing for genome duplication. This pathway is common in cancer cells but rare in healthy cells, revealing a significant difference between these two types of cells.
Scientists have identified a crucial class of neurons responsible for mosquito attraction to human skin odor, offering potential solutions for effective mosquito control. Researchers discovered that compounds targeting these neurons can inhibit the attraction of mosquitoes, paving the way for new repellents and traps.