A new protein in blood serum, human aspartyl beta-hydroxylase (HAAH), has shown promise as a sensitive and specific biomarker for early detection of prostate cancer. HAAH is overexpressed in at least 20 types of cancer and has been linked to tumor growth and invasiveness.
Two genes, REG1A and EXTL3, are prognostic markers for colorectal cancer recurrence. REG1A expression levels correlate with disease-free survival, while EXTL3 is a predictor of patient outcome.
A study published by the American Academy of Neurology found that long-term lead exposure is linked to cognitive decline in older adults. The researchers tested 985 participants and found higher tibia lead levels were consistently associated with worse cognitive performance on tests, equivalent to two to six years of aging.
The VIRTUE Trial is a Phase IV clinical trial evaluating patient satisfaction and annual rate of serious bacterial infections using Vivaglobin subcutaneous administration for one year. Patients will self-administer the medication and assess overall health-related quality of life, comparing it to previous intravenous treatment experience.
A review of existing results and new calculations by US, Swiss, and German researchers suggest that solar brightness has a negligible effect on Earth's climate. The study implies that human influences must outweigh the effects of solar changes in causing global warming over the past century.
Researchers at Virginia Tech have designed polymer macromolecules as effective gene transfer agents, overcoming the need for foreign DNA and viruses. The study's findings focus on the structure of these molecules, which can control their ability to transfer genes across cell membranes.
A Tulane University study suggests that bats may have been responsible for the origin of the deadly Marburg hemorrhagic fever outbreak in the Democratic Republic of Congo. The research identified multiple genetic variants of the virus, indicating repeated introductions from a primary reservoir rather than person-to-person spread.
Researchers found that patients with tumors producing high levels of VEGF and its receptor benefit most from targeted treatments. The study identified a correlation between tumor mutational analysis, VEGF expression, and treatment response.
A new software tool will help analyze the unintended consequences of environmental regulations on the automotive market and industry life cycle. The project aims to integrate models of market decisions, technological performance, and life cycle assessment to predict the effectiveness of greenhouse gas reduction policies.
Researchers discover that bacteria prefer larger nanoparticles to smaller ones for efficient metal reduction. The study reveals a 10-fold difference in bioreduction rates among particles of similar shape but different sizes, with larger particles being reduced faster than smaller ones.
Researchers used Hubble Space Telescope to explore galaxy formation during first 900 million years after Big Bang. They found a significant increase in bright galaxies around 13 billion years ago, providing evidence for hierarchical theory of galaxy formation.
Researchers developed a new method to detect oncogene mutations in human cancers, which could be used in real-time to match patients with available targeted therapies. The technique uses high-throughput mass spectrometry-based genotyping and was validated in over 1,000 tumors, representing 15 different cancer types.
Chemistry Central Journal, a pioneering international open access journal, was unveiled at the American Chemical Society meeting in San Francisco. The journal aims to publish research in all areas of chemistry, with a focus on discipline-specific sections.
Researchers at Arizona State University have created a tiny hydrogen-gas generator that can power electronic devices up to three times longer than conventional batteries. The generator uses borohydride solution and is recharged by refilling a fuel cartridge, making it safer for the environment.
Researchers have developed high-efficiency 'plastic' solar cells with potential efficiencies of up to 15 percent, paving the way for wider use. Additionally, scientists have created compounds that block bacterial communication signals, offering a powerful strategy against deadly infections.
Researchers found that high salivary melatonin levels may be associated with lower periodontal disease severity, as measured by the community periodontal index score. This suggests that melatonin's antioxidant properties may help protect against inflammation and oxidative damage in the oral cavity.
The American Academy of Pediatrics recommends that lactose-intolerant children consume three servings of dairy per day to meet their daily allowance of milk and dairy products. Choosing products with live active cultures, such as yogurt or hard cheeses, can help alleviate symptoms and provide adequate calcium for bone growth.
A recent study by Matthew J. Kotchen found that green markets can crowd out private voluntary donations in sufficiently large economies. This is because consumers' willingness to pay more for environmentally friendly products can increase the level of giving, but also discourage direct donations to environmental causes.
Researchers at MIT are developing a device that can detect and prevent epileptic seizures by measuring brain activity. The new technology builds on an existing therapy and could be refined to work with a headband or baseball cap. If successful, it would allow more patients to use the therapy on demand.
Genomatix Software GmbH has appointed a distributor in China, Beijing ZGZ Science and Technology Development Co., Ltd., to expand its market presence. This partnership is significant for Genomatix, with over 1,800 researchers in China subscribed to its free services.
Researchers found that the cognitive ability gap between blacks and whites has decreased significantly since 1972, with blacks making notable gains in cognitive tests. The study's findings suggest a possible correlation between social equality progress and IQ gains, potentially indicating further improvements.
Two studies found increased cardiovascular and kidney risks associated with Cox-2 inhibitors and non-steroidal anti-inflammatory drugs (NSAIDs). A meta-analysis of 114 randomized trials of COX-2 inhibitors revealed a class effect on renal events and arrhythmia events, but not for other COX-2 inhibitors.
A study found that direct-to-consumer advertising of Vioxx increased the proportion of osteoarthritis patient visits for which a prescription was written for Vioxx. However, Celebrex ads were associated with higher rates of Vioxx prescribing, but not significant changes in Celebrex prescriptions.
A study by University of Washington researchers found that children exposed to intimate partner violence at home are more likely to engage in physical and relational bullying. The study also highlights the importance of early identification and intervention to break the cycle of violence.
A study by Duke University Medical Center researchers found that fewer than half of pediatric exclusivity studies were published in peer-reviewed journals, and the results were less likely to be published if the drug was deemed unsafe or ineffective in children. This lack of transparency can lead to detrimental patient care.
The University of Houston's Moody Tower Atmospheric Chemistry Facility conducts round-the-clock monitoring for the Texas Air Quality Study-II. Researchers collect data on various pollutants, including ozone-forming compounds, and develop a Gulf Coast Air Quality Model to improve air quality predictions.
Researchers at Stanford University are advancing single-molecule microscopy, enabling real-time observation of individual molecules in living cells. This technology has the potential to reveal new processes inside living cells and provide insights into diseases such as cancer and neurological disorders.
Scientists have developed a new technique to detect uranium in contaminated soil by freezing the sample and blasting it with an ultraviolet laser. This method, known as cryogenic fluorescence spectroscopy, allows for sharper resolution of spectral fingerprints and detection of different forms of uranium.
Florida Tech associate professor Dr. Jean-Paul Pinelli has received a $300,000 National Science Foundation grant to develop a wireless sensor network monitoring wind impacts on structures. The three-year research project will provide full-scale data on wind-induced structural stress during hurricanes.
A study published in JAMA found that recent syncope, QTc interval duration, and sex are significant independent predictors of cardiac arrest and sudden death in adolescents with LQTS. The study identified nearly 12 times the risk for life-threatening events among patients with 1 syncopal episode in the last 2 years.
Researchers at Washington University School of Medicine successfully transplanted pig pancreatic primordia into rats with type 2 diabetes, curing the condition without the need for immune suppression drugs. The approach, similar to one that cured type 1 diabetes in previous studies, uses embryonic cells to produce insulin.
Researchers at UT Southwestern Medical Center discovered that a natural stress hormone corticosterone can decrease the fearful response associated with reliving traumatic memories in mice. The study showed that this hormone enhances new memories competing with fearful memories, thereby decreasing their negative emotional significance.
Researchers have discovered that the Black-Bone Silky Fowl has significantly higher carnosine levels than other chicken breeds, which may contribute to its long-standing use in traditional Chinese medicine. The study found that carnosine makes up 0.45% of the muscle tissue in Black-Bones, compared to 0.22% in White Plymouth Rocks.
Researchers have found that Thermatoga neapolitana bacteria can produce hydrogen efficiently in a moderately low-oxygen environment. This breakthrough could enable the large-scale production of hydrogen from agricultural resources, paving the way for a clean energy future.
University of Pittsburgh professor Goetz Veser has created a safer alternative to traditional reactors by designing microreactors that can handle explosive reactions without explosions. These reactors use platinum catalysts and silicon chips with tiny channels to control the reaction and minimize pollutants like nitrogen oxides.
Researchers at Brown University have developed a method to create plastic replicas of real cells, which can support cell growth and potentially be used in laboratories and hospitals. The replicas could help scientists understand nerve growth and repair damaged tissue, and may eventually be used to regenerate nerves in patients.
Scientists at the University of Texas Medical Branch at Galveston have determined the precise structure of the VEE virus protein required for replication. This achievement marks an important step toward developing effective drug therapies against the virus, which can cause widespread infections and death in Central and South America.
A new five-year study will determine whether biweekly physician visits and injectable drugs can improve medication compliance among schizophrenia patients. Researchers are comparing the effectiveness of injectable risperidone microspheres to standard oral antipsychotics.
UT Southwestern researchers found that blocking tumor necrosis factor, an inflammatory molecule, reduces dopamine neuron death in rats with Parkinson's disease. The study suggests that TNF-dependent inflammation may contribute to the progression of the disease.
Researchers at Virginia Tech are developing novel polymers that incorporate DNA base pairs, resulting in enhanced elasticity and self-healing capabilities. These biobased materials have potential applications in various industries, including automotive and biomedical sectors.
The American Society for Therapeutic Radiology and Oncology has awarded $240,000 in grants to four young cancer researchers. The recipients, Andy J. Minn, Roberto Diaz, Max Diehn, and Aaron C. Spalding, will use the funding to conduct research in radiation oncology, biology, physics, or outcomes research.
The study identifies two techniques for combating spam: improving Internet routing infrastructure security and developing algorithms to identify botnets. The researchers found that network-level properties, such as route hijacking, can be used to identify spammers and improve spam filtering.
A promising new TB drug candidate, SQ109, has been cleared for Phase I clinical trials following a successful public-private partnership between NIAID and Sequella. Developed with extensive support from NIAID, SQ109 holds potential for treating the virtually untreatable disease XDR-TB.
Researchers at Cardiff University have found a link between low nitric oxide levels and increased risk of heart attack and stroke in patients taking NSAIDs. Lower nitric oxide levels may make individuals more susceptible to cardiovascular side effects from these medications.
A new animal-detection system, tested in Yellowstone National Park, shows promise in reducing wildlife-vehicle collisions. The system detected elk with high accuracy and could be cost-effective in areas with frequent large animal-vehicle collisions.
A new study by the University of Rochester Medical Center found that genetic defects, particularly those related to Long QT Syndrome (LQTS), are significant risk factors for sudden cardiac death in teenagers. The study also identified changes in puberty among teens with LQTS as a predictor of life-threatening events.
Researchers at MIT have developed a new, eco-friendly way to produce iron by molten oxide electrolysis (MOE), which eliminates greenhouse gases and generates only oxygen. The process has the potential to increase iron productivities up to 10 times that of aluminum production.
The American College of Chest Physicians, along with the American College of Occupational and Environmental Medicine and the National Sleep Foundation, has released updated recommendations for screening and managing obstructive sleep apnea (OSA) among commercial motor vehicle (CMV) operators. The guidelines aim to identify drivers at h...
A large population study found that higher green tea consumption was linked to lower risk of death from all causes and cardiovascular disease, but not cancer. The researchers suggest that clinical trials are needed to confirm the protective effect of green tea on mortality.
A study by researchers at Fred Hutchinson Cancer Research Center found that regular aerobic exercise significantly reduces markers of increased colon-cancer risk in men. Men who exercised for four hours a week or more saw a significant decrease in cellular proliferation, which is associated with colon cancer.
Study suggests that statins may be beneficial for preventing complications of metabolic syndrome, a condition characterized by low-grade inflammation and insulin resistance. The researchers found marked reductions in inflammatory biomarkers and improvements in vascular health in patients treated with statins.
Researchers used a high-performance computer to create a simulation of the 9/11 attack on the World Trade Center's North Tower, revealing the destruction of nearly 25% of the building's columns. The simulation aims to improve understanding of aircraft collisions and structural damage, with potential applications in designing safer buil...
A team-based approach to treating depression in primary care significantly reduces suicidal thoughts in older adults, with patients receiving IMPACT care being half as likely to report suicidal thoughts even up to 12 months after treatment. The study also shows improved physical functioning and quality of life for patients.
Researchers at the University of Pennsylvania School of Medicine have found that deleting an inflammation enzyme in mice slowed the development of atherosclerosis. The study suggests that a new class of nonsteroidal anti-inflammatory drugs (NSAIDs) may benefit the heart and reduce its risk of disease.
Researchers from Massachusetts General Hospital successfully tracked transplanted pancreatic islets using MRI, revealing complex factors behind islet loss and potential causes of rejection. The study could lead to improved outcomes for patients with type 1 diabetes.
The UK e-Science Programme has been recognized for its innovative grid implementation, investing over $450 million in R&D and deployment. The program enables collaborative working by making computing power accessible across networks.
Researchers found that nicotine patches reduced depression symptoms in nonsmoking participants, possibly by stimulating brain chemicals. The study suggests manipulating nicotine's effects could lead to new treatments for depression.
A new study found that giving parents a 'wait-and-see' approach for treating ear infections significantly reduced the use of antibiotics, with little difference in outcomes for the children. The approach also interrupted the cycle of antibiotic prescription, reducing adverse effects and costs.
A new study finds that concentrating antiretroviral drugs in urban areas could reduce new infections by up to 46%, but would violate basic ethical principles of treatment equity. The approach would also exacerbate urban/rural healthcare disparities.
Recent studies have found that levels of toxic metals in New Orleans soil samples were not significantly higher than before Hurricane Katrina. In fact, some pollutants may have decreased due to natural processes. Researchers are now focusing on restoring the Gulf Coast's resilience through science and engineering.