A team of chemists at Vanderbilt University has successfully synthesized Serratezomine A, a potentially anti-cancer herbal alkaloid, in six years through an efficient process. This achievement could lead to the development of new treatments for cancer and other diseases.
A large and solitary congenital arterioportal fistula (APF) was diagnosed in a 73-year-old woman. Transcatheter closure using multiple coils was initially successful but resulted in two subsequent episodes of alimentary tract hemorrhage, suggesting that APFs with significant collateral circulation may be challenging to treat.
The Hypersonic Control Modeling and Simulation Tool (HyperCMST) will be used for control studies of planetary atmospheric entry and descent, aerodynamic orbital capture, and aerodynamic gravity assist. The tool allows engineers to model optimal control trajectories for hypersonic vehicles.
The PNWRCE will focus on identifying potential therapeutic targets for infectious diseases, including those caused by pathogens categorized as A, B and C. Researchers will study defects in the immune system caused by aging and disease-host interactions through genomics and genetic analyses.
A study published in Biology and Fertility of Soils found that the rate at which a dried soil is rewetted affects phosphorus loss into surface water. High phosphorus concentrations can lead to harmful algal blooms and disrupt food webs, affecting drinking water quality and recreational activities.
Researchers have developed a new culture system to isolate and proliferate liver stem cells from bone marrow cells, achieving six passages of the stem cells. The method uses a selecting culture system containing cholestatic serum to purify the stem cells, providing an easy and efficient way to separate them.
A University of Iowa biologist is studying how picoeukaryotes, tiny ocean plants, adapt to changing environments in response to climate change. The research found that despite sharing similar morphology, these organisms have distinct gene pools and unique genetic features that allow them to thrive in different ocean regions.
Researchers at NewYork-Presbyterian/Weill Cornell Hospital found hand-assisted laparoscopic surgery (HALS) to be as safe and effective as standard laparoscopy. The procedure allows for a human touch, facilitating complex surgical maneuvers and reducing post-operative complications.
A study of 298 black and 945 white male patients found that blacks with moderate and advanced chronic kidney disease lived longer than whites once they reached later stages. Blacks had a lower prevalence of cardiovascular disease, which contributed to their better survival rates.
A study by the University of California, San Diego found that 67% of injection drug users in Tijuana test positive for TB, which increases their risk for HIV infection. The analysis highlights the urgent need for TB screening and treatment for this high-risk population.
A team of researchers at the University of Michigan and the University of California, San Diego, have resolved a long-standing debate about how Alzheimer's disease kills brain cells. They found that amyloid-beta peptides form pores in brain cell membranes, allowing calcium ions to enter and trigger cell death.
UC Riverside researcher Kerry Knudsen discovered a new species of lichen on Santa Rosa Island, California, and named it Caloplaca obamae in honor of President Obama. The discovery highlights the importance of preserving public lands and studying biodiversity on the island.
The fourth round of data from the Global Project on Anti-Tuberculosis Drug Resistance shows a significant regional variation in drug-resistant TB prevalence. The majority of MDR-TB burden falls in China and former Soviet states, with the highest prevalence reported in these regions.
Researchers studying HIV-infected individuals with effective HLA genes found that the virus mutates and evolves in response to immune pressure. The study suggests that a successful vaccine should induce responses to multiple epitopes, or combinations of HLA molecule and viral protein.
A new study led by Memorial Sloan-Kettering Cancer Center compares traditional 'open' surgery to laparoscopic gastrectomy, a minimally invasive procedure. The findings demonstrate that laparoscopic surgeries yielded shorter hospital stays and fewer complications after surgery while maintaining similar rates of recurrence-free survival.
Researchers discover HIV counteracts human cell protection by marking proteins for rapid destruction, but not in rats. Disrupting this interaction could be a promising strategy for therapy to increase cells' protective mechanisms.
The University of Washington is leveraging cloud computing to facilitate data-intensive research on oceans and galaxies. Researchers are using the platform to explore climate simulations and analyze astronomical images, which previously were too large for individual computers to handle.
A recent study published in Osteoporosis International found that the bone density of vegan Buddhist nuns was identical to that of non-vegetarian women, despite lower protein and calcium intakes. The researchers noted that fruits and vegetables may have positive effects on bone health.
Patients with hepatitis C and B-cell clonality in the liver are at high risk for developing malignant lymphoproliferative disease. Antiviral treatment is suggested as a strategy to prevent this outcome.
A new University of Minnesota study reveals that ethanol production in the Midwest uses far less water than similar processes in drier states like California and South Dakota. Iowa's 6 gallons of water per gallon of ethanol is significantly lower than California's 2,100 gallons.
Researchers at Boston Children's Hospital have created a slow-release anesthetic drug-delivery system, showing promise for prolonged pain relief without toxicity in rats. The formulation, using liposomes to package saxitoxin, produced nerve blocks lasting two days or seven days when combined with dexamethasone.
Researchers at UCSB are developing new techniques for manipulating single electron spins in diamond, aiming to build ultra-secure communication systems and lightning-fast database searches. The project will also focus on creating synthetic crystal diamond and heterostructure materials and devices.
Researchers discovered that red pandas prefer artificial sweeteners like aspartame, which may reflect unique structural variations in their sweet taste receptor. This finding could lead to insights into individual differences in human taste function and nutritional health.
A study found that over-the-counter melatonin supplements significantly improve sleep quality in children with autism and Fragile X Syndrome. Children who took melatonin experienced longer total night sleep durations and earlier sleep-onset times, reducing stress on families.
Researchers found carotenoids produced in the liver of Common Crossbills, contradicting previous assumptions about skin synthesis. The discovery highlights inter-specific variation in mechanisms of color production, shedding light on evolutionary pathways involved in color signaling.
Veterinary oncologists at MU's Scott Endowed Program in Veterinary Oncology participated in COTC's first trial, investigating a novel method to deliver the TNF-α gene to tumor blood vessels. The study showed a dramatic decrease in tumor size and provided insight into safe dosage for both human and canine patients.
Research published in the Journal of Developmental and Behavioural Pediatrics found that nearly 90% of Tourette syndrome cases exist in conjunction with another disorder, most frequently ADHD. Perinatal factors such as low birth weight, prematurity, and maternal smoking increase the risk of co-occurring ADHD in children with Tourette.
A new study published in Neurology has found that prenatal methamphetamine use is associated with abnormal brain development in children. The research used MRI scans to compare the brains of 29 children exposed to meth in utero with 37 unexposed children, revealing differences in white matter structure and maturation.
Researchers have identified multiple chromosomal regions associated with genes influencing variation in proteinuria, particularly in the setting of diabetes or hypertension. The study's findings suggest that genetic variation likely accounts for part of the increased risk of kidney disease in American Indians.
Scientists at Rice University have found a way to produce ultrathin, electrically conductive nanoribbons using a room-temperature chemical process. These ribbons are made from graphene, the single-layer form of graphite, and exhibit remarkable strength and conductivity.
The study found that mycophenolate mofetil was as effective as cyclophosphamide in treating lupus nephritis, but showed better results in certain racial groups. Patients may prefer mycophenolate mofetil due to its lack of fertility side effects.
Researchers discovered a new way to monitor sleep and potentially diagnose sleep disorders by analyzing heart rate, revealing significant relationships between cardio-respiratory synchronization patterns and sleep stages. This technique may help clinicians diagnose sleep disorders more easily and determine optimal treatments.
Physicists at Brown University have introduced a novel procedure to sequence human genomes by slowing down the DNA's movement through openings using magnets. This approach allows multiple segments of a DNA strand to be threaded simultaneously through numerous tiny pores, enabling accurate reading of base pairs.
Researchers at the University of British Columbia have successfully controlled the spin of electrons using a ballistic technique, eliminating the need for external electric or magnetic fields. This breakthrough could lead to more powerful and energy-efficient electronic systems, including quantum information processing devices.
Scientists have developed a way to train proteins to line up neatly on the surface of water in thin layers called nanofilms. This technique should allow biochemists to better see and study the molecules, leading to new generations of molecular electronics and ultra-thin materials.
Scientists successfully observed extensive nerve cell death in zebrafish with a severe form of Alzheimer's disease, enabling targeted search for drugs to stop dementia. This breakthrough allows for the testing of drugs on living organisms.
A new study by researchers from the University of Melbourne and others has found that all octopuses possess venomous capabilities, with a common ancient ancestor producing specialized proteins. The team's findings also highlight the importance of cephalopod venoms in drug development for conditions such as pain management and allergies.
Researchers found that sugary drinks and tasteless carbohydrates can significantly improve endurance event performance. Athletes given glucose or maltodextrin drinks outperformed those on 'disguised' water by 2-3%.
A new study by Prof. Karen Avraham at Tel Aviv University has discovered that microRNAs are involved in the development of deafness, opening up new avenues for treatment and potential cure. The researchers found that microRNAs help regulate cell functions in the ear, and their loss can lead to progressive hearing loss.
Consuming a low-glycemic breakfast before exercise may boost fat oxidation during and after physical activity. A recent study found that this type of pre-exercise meal increased fat metabolism in sedentary individuals, potentially aiding in weight loss efforts.
A multicentre trial found that paracetamol improved functional outcomes in patients with ischaemic stroke and baseline body temperature of 37°C. The study suggests a potential benefit of paracetamol in reducing body temperature and improving outcome for patients with acute stroke in this specific temperature range.
Researchers tested a one-story masonry structure with clay masonry veneer to evaluate its seismic safety. The test, which simulated earthquakes of up to 8.0 magnitude, showed the building performed well despite minor damage during initial shaking.
A groundbreaking CSIRO study has defined the period when horses are most likely to shed Hendra virus, enabling early diagnosis and prevention of transmission. This breakthrough aims to reduce the risk of spread to both humans and susceptible horses.
Researchers at University of Gothenburg discover Fucus radicans, a new seaweed species formed less than 2,500 years ago. The study highlights the rapid formation of new species in the young and species-poor Baltic Sea ecosystem.
A study found that screening patients with type 2 diabetes for coronary artery disease (CAD) did not significantly reduce the rate of heart attacks or cardiac death. However, participants with normal results had lower event rates than those with abnormalities, suggesting the importance of appropriate diagnostic evaluation.
Researchers at Brookhaven National Laboratory have created a 'family tree' of genes expressed in woody and herbaceous plants, uncovering clues for engineering plants more efficient for biofuel production. They identified 94 and 61 genes that may carry the genetic instructions for making enzymes controlling cell-wall modification.
A study found that severe hypoglycemic episodes are associated with an increased risk of dementia in older adults with type 2 diabetes. Patients who experienced multiple episodes had a significantly higher risk of developing dementia, with a cumulative effect sizeable.
Researchers at Argonne's Leadership Computing Facility are continually seeking ways to further reduce the power needed to operate supercomputers. By leveraging the Chicago area's cold climate to chill water used for cooling, they save up to $25,000 per month in electricity costs. The team is also experimenting with varying chilled wate...
Researchers at Purdue University have discovered that insulin processing, rather than genetic factors, plays a crucial role in determining how cells store fat. The study used single-cell profiling techniques to examine the relationship between insulin signaling and fat storage in genetically identical cells.
A pilot study is testing the effectiveness of text messaging as a medium for delivering HIV prevention education to at-risk teens. The study, funded by the National Institutes of Health, uses a Centers for Disease Control and Prevention-approved curriculum and involves sending text, image, and video material to teen participants.
A new imaging technology uses specially designed dye-containing nanoparticles to simultaneously monitor changes in two intracellular proteins in cancer cells. This could provide a better picture of what's happening in individual tumor cells and potentially improve diagnosis and treatment.
Researchers have found that AMG 479, a fully human monoclonal antibody, can reduce pancreatic cancer cell growth by approximately 80 percent in vitro and in vivo studies. The inhibitor specifically targets the insulin-like growth factor receptor, showing promise for future clinical trials.
The study found that statin use is associated with a significant reduction in stroke risk, with each 1 mmol/L decrease in LDL cholesterol resulting in a relative risk reduction of 21%. Statins also have additional benefits for cardiovascular health, including lowering blood pressure and reducing inflammation.
Researchers found that the 'caustic curve' shape, seen in sunlight reflections on water or boat hulls, is connected to gravitational lensing effects in distant galaxies. The discovery could enable scientists to map dark matter clumps using caustic violations.
Scientists can now study coronal mass ejections in 3D, predicting their impact on Earth. This capability will improve forecasts for space weather disturbances and aurora displays.
Researchers confirm the existence of three separate Neanderthal sub-groups in Western Europe, southern Europe, and the Levant, with a fourth group found in western Asia. The study suggests that climate conditions played a significant role in shaping the population's geographical distribution.
A MSU researcher has developed a working vaccine for Enterotoxigenic E. coli, responsible for 60% of all E. coli diarrheal disease. The vaccine could save untold lives and also provide relief from post-operative complications such as paralytic ileus and urinary retention.
Researchers analyzed genetic data and found a high frequency of inbreeding among Habsburg rulers, leading to a significant increase in health problems and infant mortality. The study suggests that inbreeding was a major factor in the decline and eventual extinction of the Spanish Habsburg dynasty.
US Department of Homeland Security scientist Mark Nicas builds mathematical models of spittle dispersal to inform countermeasures against potential biological attacks and pandemics. His research aims to reduce the risk of infection transmission on airplanes and in other public spaces, advising people to sit at least three rows away fro...
A Rutgers study found that only 60% of Americans check their homes for recalled food products, and even fewer take action after finding a recall. The study suggests that personalizing communications about food recalls can increase consumer engagement.