A team of researchers at the University of Nevada, Reno has developed a proton beam with 100 times higher quality than conventional particle accelerators, fitting on a tabletop. This breakthrough technology could enable precise treatment for cancers previously untreatable, such as those in the head region.
A recent study published by Johns Hopkins Medicine suggests that statin use may lower the risk of developing advanced prostate cancer by half. The researchers tracked 34,438 male health professionals and found that those taking cholesterol-lowering drugs had a significantly reduced risk of advanced prostate cancers.
Researchers at RHIC have discovered a new state of matter that exhibits nearly perfect fluid motion, contradicting early theoretical predictions. The hot matter formed in collisions of gold ions moves collectively in response to pressure variations, displaying a high degree of coordination among particles.
A recent study published in Circulation found that rapid weight gain during the first week of life is significantly associated with being overweight two to three decades later. The research, led by Dr. Nicolas Stettler, suggests that this critical period may be crucial in programming lifelong physiology.
A recent study found that surgery for children with sleep apnea can significantly improve their quality of life. Adenotonsillectomy was shown to improve QOL scores and polysomnogram parameters, with improvements seen six months after surgery and sustained at one year.
Researchers at Fox Chase Cancer Center have developed a non-invasive test to monitor kidney cancer patients by analyzing DNA methylation patterns in urine samples. The test, called methylation-specific polymerase chain reaction (PCR), can detect even a few cancer cells among healthy cells with high specificity.
A study of 750 consecutive morbidly obese patients found that complication rates decreased significantly after the first 100 cases, with a mean complication rate of 13% and stable death rate of 0.3%. High-volume programs demonstrated better patient outcomes due to significant experience with the procedure.
A recent study found that only three out of 21 streptokinase preparations met the minimum requirements of the European Pharmacopoeia, highlighting the need for stricter calibration and monitoring. The lack of reliable testing methods and inadequate post-marketing control allow substandard drugs to enter the market.
Starting salaries for new chemists have remained stagnant since 2002, with median salaries ranging from $32,500 to $43,600. Despite modest gains in employment rates, the overall job market remains challenging for young chemistry graduates.
The UN University's new book Regulating Bioprospecting highlights the need for effective policies and institutions to tap into bioprospecting's potential. Experts argue that poor regulatory environments and market imperfections hinder investments in drug research and development from developing countries.
A Danish study found that sunburns occur most frequently among adolescents and young adults, who also exhibit the most risk-taking behavior when outdoors. Women tend to experience more sunburns due to longer exposure times during peak sun hours.
Penn researchers have determined the structure of Erbitux's binding site to cancer cells, providing new insight into how it blocks cell growth-promoting activities. This finding will steer future treatment design for colon-cancer medications and potentially lead to easier delivery methods.
The experimental DNA vaccine is composed of a small piece of DNA that contains genes coding for two key surface proteins of the West Nile virus. In the study, 15 healthy volunteers will receive three injections of the vaccine into the upper arm to monitor their immune response.
A study of 237 children who underwent ear tube placement surgery at ages 5-16 months found that their hearing levels remained comparable to age-matched normal ears. The number of abnormal outcomes decreased over time, and repeated surgeries were more common in those with more serious conditions.
Researchers have discovered five giant impact basins on Mars that lie along a great circle, indicating that asteroids collided with the planet's equator. The finds suggest that running water likely existed in the region before surface water diminished, which is crucial for future manned missions to Mars.
Acute stress temporarily mobilizes all major types of immune cells, which may enhance the immune system's ability to protect against infections and diseases. However, chronic stress may weaken the immune system, and excessive stress can worsen pre-existing inflammatory illnesses.
Researchers found that combination therapy with antibiotics and vaccination is the best strategy for preventing death and disease, while also being the least costly option. The study suggests that widespread pre-attack vaccination is not particularly effective due to high costs, emphasizing the need for rapid distribution systems.
A study by UCLA found that children on school buses are exposed to high levels of diesel pollution, comparable to urban areas. The researchers analyzed six buses and found that intake fraction values were significantly higher than typical U.S. urban areas.
A 29-year study reveals that as ocean temperatures rise, the average weight of elephant seal pups decreases, impacting their survival rate. The decline in weaning weights coincided with an increase in mothers' foraging time and a decrease in mass gained.
A Cornell graduate student has been awarded the AIBS Emerging Public Policy Leader Award. The winner, Laughlin, will participate in a two-day event in Washington D.C., meeting with Congressional leaders and attending briefings by key government officials. She will also discuss federal programs supporting biological research.
A new study on anthrax attacks suggests post-attack vaccination plus antibiotic therapy is the most effective strategy. Meanwhile, an analysis of data from a large randomized trial found that both metformin and lifestyle changes can slow metabolic syndrome progression, with lifestyle change providing greater benefits.
Researchers found 11% fewer plant species on ski pistes compared to off-piste plots, with machine-graded slopes having five times more bare ground. The team suggests establishing environmental goals in ski resort management and avoiding areas with high conservation value.
Researcher Mike Robbins is testing drugs that block receptors to prevent cognitive impairment from whole-brain radiation. The goal is to develop a treatment for the 20-40% of patients who experience chronic brain damage.
A non-surgical method called mesotherapy claims to remove fat and contour the body, but there is no scientific evidence supporting its safety or efficacy. Plastic surgeons recommend liposuction instead due to its proven track record of safely removing fat.
Duke physicists Berndt Mueller and Steffen A. Bass contribute to the search for a superhot quark-gluon plasma by analyzing experimental data from RHIC collisions. Their work provides evidence that the matter created in these collisions exhibits unique properties, challenging current physical theory.
Researchers identified 45 genes linked to leukemic cells' ability to resist treatment by at least two of the most widely used antileukemic drugs. The study found a poor prognosis for patients with cross-resistant ALL cells.
A recent study found that patients taking calcium supplements had a 36 percent reduction in polyp formation, with even greater protection against non-neoplastic hyperplastic polyps. However, the protective effect diminished over time, falling to a non-significant 19 percent after 10 years.
A population-based study found that long-term NSAID use significantly reduced the risk of developing oral cancer in light to moderate smokers, with a 65% decrease observed compared to non-NSAID users. The most effective NSAIDs were those used by smokers with low pack-year tobacco consumption.
A team of researchers from Case Western Reserve University propose an alternate view on the pathology of Alzheimer's disease (AD), suggesting that neurofibrillary tangles (NFTs) may be protective against oxidative stress. NFT-bearing neurons can survive for decades, and their presence may be a response to reduce oxidative damage.
Researchers at Monash University have developed a new class of drugs that stop the formation of blood clots without increasing bleeding risk, offering a safer alternative to aspirin. The PI 3-kinase inhibitors may prove vital in treating heart attack and stroke patients, with promising results from animal studies and phase I trials.
A recent study identified specific genetic signatures associated with treatment failure and chemotherapeutic cross-resistance in pediatric leukemia. The researchers found that expression of certain genes was linked to inferior treatment outcomes, providing new targets for overcoming de novo multiple-drug resistance.
Researchers say virtual colonoscopy may be the answer to improving screening rates for colorectal cancer. The non-invasive test is highly sensitive and specific, while also being convenient and cost-effective, with minimal risk of side effects.
Researchers found that soil quality played a crucial role in shaping Polynesian farming patterns, with farmers adapting their agricultural system to optimal zones for sweet potato cropping. The study suggests that the emergence of warrior classes was linked to surplus agriculture and the ability to produce basic foodstuffs.
Researchers found that exposure to BPA and BBP altered gene expression in mammary tissues of young rats, increasing protein production with age. The study suggests these estrogens could contribute to breast cancer development.
Patients who had surgery in the summer months with high vitamin D intake showed better disease-free survival rates (83% vs. 46%) and overall survival rates (72% vs. 30%) compared to those with low vitamin D intake or winter surgeries. The study suggests a potential link between vitamin D and improved cancer outcomes.
The study found that sulindac induced expression of the p21 gene, which suppressed tumor formation even in mice missing key tumor suppressor genes and fed a high-fat diet. The researchers suggest that p21 activation through sulindac offers protection against both genetic and dietary factors contributing to cancer development.
A study of 301 patients with glioblastoma multiforme found that the 'SS' variant genotype of hTERT significantly improved survival rates, averaging 25 months compared to 14 months for other genotypes. The research suggests new treatment directions for this aggressive cancer.
Researchers found that green and black tea significantly inhibited cataract formation in diabetic rats. Both teas also decreased glucose levels, which can contribute to diabetic complications such as cataracts.
Scientists at Cold Spring Harbor Laboratory identified 130 genes that affect the replication of retrovirus-like elements in yeast. These genes have clear relatives or homologs in the human genome, providing a rich source for candidate host genes to develop new anti-retroviral therapeutics.
Researchers developed a test to measure CDK activity, which accurately predicts tumor response to Tarceva. A second study found that increased CDK activity correlates with sensitivity to Taxol, providing preclinical evidence for developing a novel device to measure CDK activity in human tissue.
Researchers analyzed gene-expression libraries from daf-2 mutants to identify genes critical to aging. They found that metabolic processes were repressed in early and mid-life adults, contributing to longevity. Stress-response factors were also differentially expressed, suggesting protection against cellular stress may increase lifespan.
Scotland's population is expected to fall below 5 million by 2042, with the number of people aged 65 and older rising by 61% and fertility rates at historically low levels. The research initiative aims to provide evidence to inform policy decisions on migration and childbearing.
Researchers at Georgetown University Medical Center discovered a chocolate compound that stops cancer cell cycles in lab experiments. The compound, pentamer, deactivates tumor suppressor genes and proteins involved in regulating the cell cycle, preventing cancer cells from dividing.
Researchers discovered that shape-altering genes, known for their role in embryonic development, direct ovarian cancer cells to take on various forms. These unique shapes make each form of ovarian cancer distinct from one another and the surface epithelium.
Researchers discovered two most chemically primitive stars, HE0107-5240 and HE1327-2326, offering insights into the universe's early stages. These unevolved dwarf stars have iron contents significantly lower than previously known stars, providing a glimpse into the elements produced during supernova explosions.
Fanning and Chazin found structural and biochemical evidence for the mechanism of ssDNA break free from its binding protein to allow repair or replication. The researchers developed a working model to answer how RPA gets dislodged, allowing enzymes access to DNA for processing.
Microglial cells are highly dynamic, constantly sampling their environment and interacting with neurons. In response to cerebral hemorrhage, microglial cells rapidly rush to the injured site, shielding it and decomposing damaged tissue.
Researchers discovered that TGFBR1*6A gene variants significantly increase breast cancer risk in women over 50, with a 69% higher risk for those with low TGF-beta activity levels. The findings may help predict breast cancer risk in a large subset of the population and inform genetic testing options.
Molecular Systems Biology is a new journal that publishes papers on complex biological systems using molecular components and their interactions. The journal features innovative technology for formal descriptions of biological systems and sharing of data in widely-used XML-based formats.
Researchers at Michigan State University recreated a rare isotope of nickel called Ni-78, which existed briefly in the chain of events that formed elements. This breakthrough reveals that Ni-78 decays up to three times quicker than expected, changing models of element formation before Earth's creation.
Researchers identify FMRP RNA ligands containing 'kissing complex' motifs, redirecting search for disease targets. The study also reveals a crucial link between FMRP, mRNA translation regulation and neurologic dysfunction in Fragile X syndrome.
A study found that analyzing prostate tissue's metabolic profile can identify the biologic status of the disease, allowing clinicians to make better-informed decisions on treatment. The technique outperformed standard histopathology in differentiating between cancer cells and benign cells.
Researchers found that Brown-headed cowbirds can affect the sex of host offspring, while commercial fishing led to changes in open-ocean fish communities. Additionally, a study on plant defense theory revealed that outbred plants are more resistant to certain insect herbivores.
Researchers have developed a new model to predict the physics of stellar burning, particularly in stars like V4334 Sgr that undergo brief rebirths. The model predicts that V4334 Sgr will become much hotter and then slowly repeat the stellar rebirth cycle, returning to its current temperature in roughly two hundred years.
Researchers found that bacteria's worst enemy in nuclear waste sites may be toxic metals, contradicting conventional wisdom. Actinides are less toxic than other metals, suggesting bioremediation using naturally occurring bacteria can still be effective.
Barron and Monteiro-Riviere's project explores fullerene interactions with skin cells, aiming to develop new nano-biohybrid materials. The researchers will investigate physiochemical properties of fullerenes to predict uptake and activity.
A review of treatments for pulmonary thromboembolism (PTE) in children reveals an acute need for more research into diagnosing the condition. The study found that only four per cent of blood clots in children presented without any risk factors, highlighting the importance of recognizing symptoms.
The Genographic Project is a five-year global study of human migratory history, analyzing genetic samples from indigenous peoples and public participants. Researchers will use markers encoded into DNA to trace lineages, unveiling new aspects of family trees that persist through genes.
A study found that family conferences in ICUs missed opportunities to discuss withholding or withdrawing life-sustaining therapy due to clinicians' failure to listen and respond appropriately. The missed opportunities fell into three categories: listening, acknowledging emotions, and addressing medical ethics principles.
The Lance Armstrong Foundation is supporting a University Hospitals of Cleveland research project exploring the impact of exercise and dietary counseling on obese endometrial cancer patients. Dr. von Gruenigen's study aims to improve quality of life for this high-risk group, which accounts for over 40,000 cases annually in the US.