Researchers have identified 156 probable membrane proteins that could serve as new drug targets to combat antibiotic-resistant salmonella. The study also revealed two previously unknown gene clusters required for producing hair-like strands on the bacteria's surface.
The Mars Odyssey spacecraft has entered into orbit around Mars, providing a key communications link for the Mars Exploration Rover (MER) mission. The two Rovers will be able to upload data on mineral and element composition of rocks and soils to a state-of-the-art communications package.
Patients face increased risk of cancer progression due to inadequate staffing and technical support for advanced radiation therapies like IMRT and SRT. These high-tech treatments require specialized personnel and equipment, which can lead to longer waiting times and higher healthcare costs.
Researchers at the University of Pennsylvania found that adding a 'fuzz' of chemical chains to colloidal molecules can lead to the formation of predictable arrays of lattices. This entropy-driven phenomenon offers promise for designing new materials rationally rather than through trial and error.
A 42-month study published in Archives of Internal Medicine found that sustained-release sodium fluoride safely reduces the risk for vertebral fractures and increases spinal bone mass in older women with osteoporosis. The treatment combination also reduced bone resorption when adequate calcium and vitamin D were provided.
A veteran chemistry teacher, Noel, has inspired students in Southern California with her hands-on approach to learning chemistry. Her curriculum is tailored to make science practical and fun, with a focus on real-world applications. She has also developed programs for teachers and led workshops on web-based instruction in chemistry.
Researchers believe that identifying specific genetic mutations could create more effective genotype profiles to determine individual risk of breast cancer. These profiles may be more accurate than current established clinical risk factors, which only predict but not identify high-risk individuals.
A study presented at the American College of Gastroenterology meeting found that Actonel 5mg daily significantly reduced vertebral fracture risk by 70% in patients on chronic glucocorticoid therapy. Patients who received calcium supplementation and vitamin D also experienced significant reductions in bone loss.
A recent survey found that patients with breast cancer in Europe have limited knowledge about innovative treatments like Herceptin and HER2 diagnostic testing. This lack of awareness can lead to women not making informed decisions about their treatment, highlighting the need for improved education and communication.
A study by University of Toronto researchers found that anxious children with troubled families have poorer treatment outcomes. Children who felt their families were dysfunctional or their parents were stressed had poorer treatment outcomes. The study suggests including parents in the treatment process is crucial for effective therapy.
A recent meta-analysis shows a three to sixfold increased risk of non-cardia stomach cancer in H.pylori positive individuals. This suggests that at least half of all non-cardia cancer cases can be attributable to the infection, with potentially much more.
Researchers at Weizmann Institute and Max-Planck Research Units create crystals capturing individual complexes formed between bacterial ribosomes and antibiotics, revealing how these drugs shut off protein production. The findings may improve treatment strategies of existing drugs and lead to rational drug design.
Michael H. Dickinson, a UC Berkeley professor, has been awarded the prestigious MacArthur Fellowship for his groundbreaking research on insect flight. His work has led to breakthroughs in understanding how insects fly and maneuver, with potential applications in search and rescue, environmental monitoring, and remote sensing.
Research by Professor Anurag Agrawal reveals that plants can detect the difference between various insect species and respond accordingly, adjusting their growth, behavior, and chemical defenses. In turn, insects adapt their phenotype and physiology to better digest the plant, highlighting a flexible co-evolutionary strategy.
The HERA (HERceptin Adjuvant) Study aims to determine if earlier use of Herceptin increases disease-free survival for women with early breast cancer. The trial will recruit over 3000 patients across 600 trial sites globally.
Companies benefit from innovation and cost-savings in urban locations. Researchers found that 75% of innovations originate in cities and companies can share resources with related industries, leading to reduced shipping costs and improved product design.
A new randomized, controlled clinical trial found no significant difference in the incidence of stroke or death among postmenopausal women who received estrogen therapy. The study suggests that estrogen should not be prescribed for preventing a second stroke or death in these patients.
The TALENT trial assesses Tarceva's value in NSCLC treatment, showing promising anti-tumor activity. Additionally, a Phase Ib study evaluates Tarceva's feasibility in combination with chemotherapy for advanced breast cancer.
Norman Pace's innovative work on microbial diversity and biochemical reactions has revolutionized the field. He is one of 23 recipients of the prestigious 2001 MacArthur Fellowship, recognizing his significant contributions to science.
Researchers describe a new cause of respiratory failure in newborns and report a virulent Beijing strain causing a 'microepidemic' of TB on Gran Canaria Island. Exercise-induced oxidative stress may exacerbate chronic obstructive pulmonary disease, according to studies published in the American Thoracic Society Journal.
Scientists develop 'smart' polymer drug carriers that target diseased cells, improving treatment outcomes for cancer, AIDS, and other diseases. The technology also enables controlled release of drugs over days, weeks, or years.
Researchers will study 12 astronaut crew members before, during and after space missions to assess cardiac mass, compliance and relaxation. Findings may help prevent cardiac atrophy and arrhythmias in individuals confined to long-term bed rest or with conditions associated with cardiac stiffness.
Researchers have identified a subset of genes in Pseudomonas aeruginosa that behave differently when the bacteria exists as a biofilm. These findings may lead to the development of new therapies targeting antibiotic resistance in biofilms. The study found that certain genes were repressed or activated in response to antibiotic treatmen...
A team of researchers from the University of Michigan has created an ultrafast X-ray switch, enabling them to study the movement of constituent atoms and obtain information about molecular dynamics. The technology could be used to probe complex systems like proteins and study shock waves in materials.
The Suncoast Developmental Center will analyze data on patient falls and medication errors among elderly patients to improve patient safety. Researchers aim to identify checks and balances in the healthcare system to prevent or reduce mistakes.
Chyba, a renowned astrobiologist, has been awarded a 2001 MacArthur Fellowship for his groundbreaking work on understanding life on Earth. He will receive a $500,000 stipend to support his research on the origins of life and potential threats to human civilization.
Cancer patients' dietary needs vary according to disease stage, with underweight patients benefiting from fatty foods and those well-recovering advised on traditional healthy diets. The study found that nearly two-thirds of patients changed their eating habits since diagnosis, with most taking nutritional supplements.