A global shortage of medical isotopes, used in diagnostic and therapeutic procedures, poses a threat to patient care and may force doctors to use less accurate tests. The shortage is attributed to the unexpected shutdown of major isotope production facilities, leaving only 10-15% of isotopes produced domestically.
A study published in The Lancet Neurology found that memantine showed significant benefits for patients with mild to moderate dementia with Lewy bodies (DLB), with improvements in global clinical status and behavioral symptoms. However, no significant differences were found in patients with Parkinson's disease dementia (PDD).
Researchers discovered two methods to increase antioxidants in potatoes, including electric shocks and ultrasound treatment, resulting in up to 50% more phenols and chlorogenic acid. The process could have widespread commercial application for functional foods with potential health benefits.
Researchers developed novel antisense therapies that protected monkeys infected with deadly Ebola or Marburg viruses, with survival rates over 90%. The treatments were administered up to one hour after exposure and showed promise for treating accidental infections in laboratory or hospital settings.
A new hepatitis E vaccine has demonstrated 100% efficacy in preventing infection, with protection offered across all age and sex subgroups. The vaccine is safe and can be used in both rich and poor countries, as well as for tourists, making it a crucial development in outbreak control.
Researchers have purified the protein produced by the breast cancer susceptibility gene BRCA2, opening new possibilities for understanding, diagnosing, and treating breast cancer. The protein plays a role in repairing damaged DNA, acting as a mediator to help another protein associate with a single strand of DNA.
Young salmon and trout seek refuge in shallow waters due to competition from older fish, which can be mitigated by preserving such habitats. The study suggests that restoring shallow parts of watercourses with low-velocity flow is essential for the survival of young fish.
Scientists at MIT have developed a new synthetic surface that allows human pluripotent stem cells to stay alive and continue reproducing themselves for at least three months. This breakthrough enables the growth of large quantities of cells, necessary for treating diseases such as Parkinson's disease and spinal cord injuries.
A study by the University of South Florida found that the rheumatoid arthritis signaling protein GM-CSF reduces AD pathology and eliminates memory loss in mice. The researchers suggest that GM-CSF boosts immune cells to remove Alzheimer's plaques, improving memory decline.
A study of egg cell division has revealed an 'inside out' mechanism for chromosome separation, which could help explain reproductive problems like Down syndrome and infertility. The researchers used time-lapse microscopy to observe egg cell meiosis with high precision, discovering that chromosomes move apart by being pushed in the middle.
The Discovering the Science of the Environment (DSE) program transforms school ground natural areas into outdoor laboratories, allowing students to explore and learn about their environment. Through interactive technology tools and computerized mapping capabilities, DSE aims to inspire future leaders in science, technology, and environ...
The adaptive statistical iterative reconstruction (ASIR) technique has been shown to reduce the radiation dose associated with coronary computed tomography angiography (CTA) by 27 percent. This novel method allows for a reduction in tube current while maintaining diagnostic image quality, demonstrating an additive effect on existing te...
A study of opioid detoxification patients found that 31 out of 75 patients first got hooked on prescribed painkillers. The majority continued using street drugs due to lower costs and greater effectiveness, with comments revealing the role of 'pill parties' in their initial use.
Researchers found that oxytocin levels in fathers were not different from those in mothers, suggesting that other aspects of parenthood stimulate oxytocin release in fathers. Oxytocin was also linked to parent-specific styles of interaction, with mothers showing more affectionate parenting and fathers exhibiting more stimulatory contact.
Researchers at the University of Minnesota have identified two FDA-approved drugs, decitabine and gemcitabine, which, when combined, may be an effective treatment for HIV. The drug combination forces the virus to mutate itself to death, a phenomenon dubbed 'lethal mutagenesis.'
Using an electronic medical record (EMR) tracking system can improve follow-up after an abnormal Pap test, leading to increased diagnostic resolution and faster treatment times. The study found that physicians who used this tracking system had significantly shorter times to diagnosis compared to traditional methods.
A study found that whole-body MRI can detect soft-tissue injuries in infants with suspected child abuse. However, its effectiveness in detecting skeletal injuries is limited. The imaging modality may still be useful as a supplement to skeletal surveys in selected cases.
A new ASIR technique can reduce the radiation dose associated with abdominal CT scans by 23-66 percent. The study found that patients with a body mass index (BMI) of less than 20 experienced an average dose reduction of 66 percent.
Researchers used computer simulations to predict the impact of mitigation policies on ocean acidification. A peak year of emissions and post-peak reduction rates significantly influence ocean acidity increases by 2100. The study suggests that substantial emission reductions need to occur as soon as possible.
Researchers have revealed the mechanisms of the DNA-regulating enzyme PcrA, which controls recombination by removing recombination proteins from the DNA. By combining structure-specific binding and motor function, PcrA reels in DNA and kicks off recombination proteins.
Researchers at Juelich have developed a method to study the inner structure of molecules using a scanning tunneling microscope, revealing detailed information on atomic irregularities and charge distribution. The technique uses a small molecule with deuterium atoms to enhance sensitivity for organic molecules.
A new study found that even low levels of secondhand smoke and infrequent smoking can cause harmful genetic changes in the lungs, leading to an increased risk of lung cancer and chronic obstructive pulmonary disease (COPD). The research suggests that no level of smoking or exposure to secondhand smoke is safe.
The Weierstrass Institute at Berlin has been selected to host the permanent office of the International Mathematical Union (IMU), ending a years-long moveable office. A Committee reviewed proposals from institutions worldwide and recommended the Weierstrass Institute as the ideal location for the stable office.
Research found that unselfish workers who volunteer for tasks and take on details are also among those most wanted to be voted off a team. This phenomenon occurs because others perceive these individuals as setting an unrealistic standard, making themselves appear worse by comparison.
A research project at the Peninsula Medical School in Exeter has won a £140,000 grant to study the effect of hydrogen sulfide as an anti-inflammatory agent. The study found that slow and sustained delivery of H2S reduces inflammation by increasing levels of the body's own anti-inflammatory molecules.
The 2010 International Mathematical Union prizes were awarded to four mathematicians: Elon Lindenstrauss, Ngô Bảo Châu, Stanislav Smirnov, and Cédric Villani. Lindenstrauss received the Fields Medal for his work on measure rigidity in ergodic theory and its applications to number theory.
A recent study by UC Irvine researchers reveals that large ruptures have occurred on the Carrizo Plain portion of the San Andreas fault every 45 to 144 years. The findings contradict previous reports and suggest a more complex earthquake recurrence pattern along the 810-mile fault.
Hydrogen sulfide has been found to be present in the fluid inside human knee joint synovial fluid and may play a role in reducing inflammation. The study found higher levels of hydrogen sulfide in patients with rheumatoid arthritis, associated with lower inflammation and disease activity.
Researchers have developed a web portal that allows seismologists to study noise for analyzing the Earth's structure, leading to better understanding of earthquakes. The system enables smaller groups to perform complex analysis previously limited to large organizations.
Biophysicists create model to describe nucleosome distribution around transcription start sites, showing that stop signals prevent nucleosome formation. The Tonks model explains the characteristic packing of DNA in cells, shedding light on gene expression and chromatin code.
Researchers identified a novel protein called SNARK, which plays a key role in regulating glucose transport during muscle contraction and exercise. The study shows that SNARK mediates contraction-stimulated glucose transport, providing an alternative pathway for increasing glucose uptake in individuals with insulin resistance.
A pay-for-performance program at Massachusetts General Hospital improved radiology report turnaround times, with reports completed in approximately two-thirds the time. The study suggests that such incentives can motivate radiologists to expedite report completion.
Iowa State University researchers will develop an instrument to reveal single molecules, test food contamination technology, and design taller wind turbine towers. The grants aim to grow the state's economy through commercialization of university technologies.
A new study by Johns Hopkins researchers finds that street outreach workers are a crucial tool for preventing and intervening in youth violence. The program, run by the United Teen Equality Center (UTEC), incorporates elements like peacemaking, resource provision, and community partnerships to achieve success.
This article highlights various scientific discoveries in September 2010 Geology, including a study on Neoproterozoic ice ages and their impact on the environment. Researchers also investigate stress-driven failure during fracture array growth and explore the relationship between Antarctic glaciation and tropical rain belt migration.
A comprehensive CEAP study reveals troublesome nitrogen and copper levels in a major Chesapeake Bay tributary, primarily sourced from agricultural fertilizers. High copper concentrations were found at lower reaches of the river, posing a threat to aquatic life.
Researchers found that virtual colonoscopies (CTC) doubles the yield of identifying significant early extracolonic lesions, resulting in lives saved. CTC also increases the odds of identifying high-risk lesions by 78 percent.
A team of scientists at TUM has discovered a new protein crucial for the formation of plant cell vacuoles, which store vital substances like proteins and pigments. The protein, known as a 'splitting protein', plays a key role in initiating metabolic processes and assigning tasks to proteins.
Researchers will design vision, speech, and wearable sensor technologies to analyze child behavior. The goal is to identify children at risk for autism and other developmental delays, with the potential to improve treatment delivery and outcomes.
Researchers discovered that the barbastelle bat can catch earless moths by using an unusual whispering strategy. By producing quieter echolocation calls than other bats, the barbastelle can hear unsuspecting moths before they become aware of its presence, giving it an advantage in hunting.
Six University of Miami students were selected as 2010 NOAA/Ernest F. Hollings Scholars, achieving this prestigious recognition for the second consecutive year. The recipients are recognized for their academic excellence and potential to pursue careers in oceanic and atmospheric science.
Research by Elizabeth Tibbetts and Amanda Izzo found that paper wasps punish peers who falsely advertise their fighting ability to maintain accurate signals. In experiments, wasps with mismatched facial patterns and behavior were punished, while those whose signal and behavior matched were rarely targeted.
Biologists at TUM have discovered mini-inflammations in the gut mucosa that upset the balance of the bowel and cause IBS symptoms. The team's research suggests that treating IBS with antihistamines may improve symptoms by normalizing nerve activity. Successful identification of physical causes could lead to effective treatments for IBS.
Researchers at Arizona State University update Maslow's pyramid to reflect new findings on evolutionarily fundamental motives. The revamped pyramid places parenting atop the hierarchy, alongside mate acquisition and mate retention, shifting away from self-actualization as a top need.
Scientists use cutting-edge microscope to measure how brain cells respond to pressure, finding that intermediate form of amyloid-beta peptide stiffens cells the most. This discovery could lead to new ways to screen drugs for Alzheimer's and similar diseases.
A UCLA study of 2,300 middle school students found that bullying is consistently associated with lower grades across three years. The researchers projected the findings to show a one-point increase on the four-point bullying scale was linked to a 1.5-point decrease in GPA.
A team of experts is proposing a new approach to deal with the variability in behavior of nano-scale computer components by re-thinking and enhancing the role that software can play. The National Science Foundation has awarded a $10 million grant to explore 'Variability-Aware Software for Efficient Computing with Nanoscale Devices.'
Researchers at the University of Texas Medical Branch at Galveston have discovered a way to use widely available blood pressure drugs to combat age-related muscle loss. By dilating blood vessels, these medications can increase amino acid delivery to muscles, restoring normal growth and potentially reducing frailty.
A new study has uncovered the genetic mechanisms controlling the growth of collateral circulation, which can provide oxygen to starved tissues in the event of a heart attack or stroke. The researchers identified a section of DNA involved in variation in collateral vessel density and diameter.
A study found that geographic variation plays a key role in disparities in liver transplantation among racial and ethnic groups. Hispanics and Asians experience lower transplant rates compared to Caucasians, particularly at high MELD scores.
A recent study led by University of Alberta researcher Margie McNeely found that only five percent of breast cancer survivors are at risk of developing arm swelling due to air travel. The research involved 60 Canadian women who flew to Australia and showed that 95% had no arm swelling.
A 70-year-old woman presented with confusion and memory loss, leading to a misdiagnosis of Alzheimer's disease. However, treatment with cyclophosphamide infusions and steroids revealed an alternative diagnosis of limbic encephalitis.
A research team has identified a DNA sequence in individuals with facioscapulohumeral dystrophy (FSHD) that causes the gene DUX4 to be more active. The study suggests that this protein is toxic to muscle cells and may hold key to developing new treatments or potentially curing FSHD, a progressive condition affecting 300,000 people worl...
Lisa Carter-Harris has received the Johnson & Johnson Campaign for Nursing's Future -- American Association of Colleges of Nursing Minority Nursing Faculty Scholarship. The scholarship provides financial support to graduate nursing students from minority backgrounds who agree to teach in a school of nursing after graduation.
Researchers discovered the function of PTP-PEST, a protein that stimulates T cells' participation in immune responses, potentially leading to new treatments for autoimmune diseases. The study's results suggest that suppressing PTP-PEST could prevent certain autoimmune diseases and weaken overactive immune responses.
Researchers successfully differentiate embryonic stem cells into lung tissue using a natural cell-depleted lung matrix, demonstrating improved cell retention and organization. This breakthrough finding holds promise for developing clinical applications for engineered lung tissue.
Scientists simulate oil and methane plumes, predicting locally significant but regionally confined dead zones in the northern Gulf. The study suggests oxygen levels will drop too low to support most life forms, affecting marine ecosystems.
The University of Minnesota team, led by Vipin Kumar, will use data-driven methods to advance the science of climate change. The $10 million NSF project aims to gain actionable insights and inform policymakers.
Researchers at Norwich BioScience Institutes have identified a mechanism to slow down fat digestion by introducing surfactants, which break down protein layers and enhance enzyme activity. This discovery may lead to the development of foods with slower fat digestion rates, inducing satiety.
Researchers found two mechanisms altering HIV-1 population in semen, including clonal amplification and compartmentalization. The study suggests the viral population in semen may be distinct from that in blood, affecting our understanding of transmission and selective pressures.