Researchers found that Gleevec, a cancer drug, slowed the spread of poxviruses in mice. The study suggests that Gleevec might be useful as a preventative against adverse effects of smallpox vaccine.
Research in macaque monkeys suggests that infant abuse is transmitted through early experience, rather than genetic inheritance. The study found that abused mothers were more likely to abuse their own offspring, but only if raised by non-abusive caregivers.
Researchers found that Tai Chi significantly improved the physical fitness of fall-prone older adults, reducing the risk of falls and fractures. The exercise program showed a 25% reduction in walking time for those who practiced Tai Chi compared to the control group.
Researchers at Dana-Farber Cancer Institute have identified regions of irregular gene copy numbers in non-small cell lung cancer cells, pointing to a large number of previously unknown cancer-causing genes. The study also found that certain genes, including p63, play a role in the development of squamous cell carcinomas.
Diabetics with hypertension can significantly reduce cardiovascular disease risks by taking diuretics, according to a new study. The medication has been shown to be more protective against heart failure and stroke in patients with diabetes and high blood pressure.
Researchers found that language comprehension involves continuous processing and competition between representations, contradicting traditional discrete models. The study used mouse movements to track students' processing of words, revealing curved trajectories indicating gradual ambiguity resolution.
The special issue of PLoS Medicine examines the disproportionate death toll among women in the tsunami, highlighting pre-existing gender disparities. The article also critiques the inadequate healthcare response, including invasive media representation and ineffective psychological therapies.
Scientists at Salk Institute created a mouse model to study p53 regulation in vivo, finding that chemical modifications are not essential for protein activation under stress or normal conditions. The research has implications for cancer treatment and the development of specific drugs targeting p53's negative regulators.
A new study published in The Journal of Sexual Medicine found that over half of men with ED and cardiac disease can safely discontinue oral nitrates to use PDE-5 inhibitors, restoring sexual function. The study showed no adverse cardiac events in the group, providing new evidence-based care for men with ED and cardiac disease.
A recent study using ancient DNA reveals that South American horses diverged from North American caballines around 3 million years ago. The research also suggests that all North American caballines belong to the same species and convergently evolved morphologically.
According to a new study, $5.1 billion could save the lives of 6 million children annually by implementing community-based health interventions. These interventions, which include vaccines and preventive treatments for common childhood illnesses, could reduce the current annual cost of treatment by over 60%.
A new experimental vaccine has shown promising results in protecting nonhuman primates from Lassa fever. The vaccine, developed using a non-pathogenic form of vesicular stomatitis virus as a carrier, has been successfully tested with all vaccinated monkeys surviving infection.
A recent study found that outpatient care in the US has made modest improvements in some areas, but still lags behind evidence-based recommendations. The research highlights significant disparities in care, particularly for racial and ethnic minority groups.
Researchers at Virginia Tech will use 'in situ click chemistry' to design a novel, species-specific insecticide for Anopheles gambiae mosquitoes, reducing toxicity and ensuring safety for humans and animals. The project aims to provide an effective solution for malaria control in communities worldwide.
Primary care physicians overwhelmingly believe that annual physical examinations provide valuable time for counseling on preventive health behaviors and improve the physician-patient relationship. Despite current guidelines recommending more selective screening, many PCPs perform annual exams due to patient demand and perceived benefits.
A study on smokers and non-smokers found that it takes several years for changes in the blood to return to normal after smoking. After quitting, the inflammatory response had returned to normal by five years, highlighting the importance of quitting smoking. This finding emphasizes the health benefits of smoking cessation.
Researchers have found that an incision about half the length used for traditional surgery works just as well in removing diseased thyroids. The minimally invasive approach is safe, likely speeds wound healing, and has a superior cosmetic result.
Studies have found that monozygotic twin pregnancies can be complicated by a surprisingly high rate of fetal death despite intensive fetal surveillance. In one study, ten unexpected intrauterine deaths occurred in seven pregnancies with no prior signs of complications after 32 weeks' gestation.
A harmonic scalpel with ultrasound technology can reduce blood loss, postoperative facial paralysis, and infection rates in patients requiring salivary gland removal. The study compared conventional surgery to harmonic scalpel parotidectomy for benign or malignant disease.
A two-year project at the University of Edinburgh aims to understand the cultural practices and needs of Sikh and Muslim patients nearing the end of life. The study will explore how caregivers can better support these communities, highlighting the importance of transcultural training for healthcare professionals.
Researchers have successfully isolated and differentiated human mesenchymal stem cells from embryonic stem cells, offering a promising alternative to traditional methods. These cells can differentiate into multiple cell types, including bone, cartilage, fat, and muscle, with high purity and unlimited availability.
A genome study of the beneficial microbe Pseudomonas fluorescens Pf-5 has identified new chemical pathways that may help boost plant health and combat plant diseases. The research, published in Nature Biotechnology, reveals the potential for this microbe to produce new antibiotic compounds.
Researchers challenge traditional model of mRNA translation with discovery of EF-G's binding to GDP and its role as a GTP exchange factor. The ribosome plays a dual role in guanine-nucleotide exchange and GTPase-activation, leading to partial translocation of the mRNA.
Disagreements over treatment decisions between healthcare professionals, patients, and families are the top ethical challenge in Canada. Key findings include emotional end-of-life critical care cases and clashes of value systems due to cultural diversity.
A study of Japanese and US medical residents found that Japanese doctors are more likely to involve patients' families in decision-making, reflecting stronger family ties in Japan. In contrast, US residents tend to prioritize individual autonomy, with many preferring to communicate solely with the patient.
The UKIDSS survey will scour the sky with the world's most powerful infrared survey camera to study objects too cool for visible light, like failed stars and distant quasars. The surveys aim to solve existing conundrums, such as when galaxies first lit up, and discover new phenomena.
Researchers have discovered a new catfish species in the Lacantún river of southern Chiapas state in Mexico, representing the 37th family of catfishes. The discovery highlights the vast knowledge gap in Mesoamerica's biotic legacy and conservation value.
A study by Stanford researchers suggests that converting to hydrogen fuel cell vehicles powered by wind could prevent millions of cases of respiratory illness and tens of thousands of hospitalizations. The conversion could be done at a comparable cost to gasoline, with potential health benefits outweighing the costs.
Researchers found that doxycyclin effectively killed micro-filariae and adult Wuchereria worms, reducing symptoms of elephantiasis. The antibiotic's low side-effect profile and affordability make it a promising treatment option for this disease.
A new research consortium will investigate basic immunologic mechanisms associated with food allergy and test novel therapies to treat peanut allergy. The consortium will conduct clinical studies, observational studies, and develop educational programs for parents, children, and healthcare providers.
Researchers at NASA's Goddard Space Flight Center have built an SDR test-bed to investigate and develop communication and navigation algorithms. This technology enables electronic devices to quickly change functions on demand, such as adapting a cell phone into a video camera or satellite interaction.
Researchers have developed a new method that uses so-called 'caged compounds' to control protein synthesis, which can be activated by light. This technique could lead to more intricate studies of biological processes, such as protein synthesis in nerve synapses.
The American Academy of Neurology has released new guidelines for treating essential tremor, recommending medications such as propranolol and primidone to reduce limb tremors. Surgery is also an option when drug therapy is ineffective, with deep brain stimulation found to be more effective than thalamotomy in reducing tremors
A new AAAS study emphasizes the importance of recruiting non-traditional students into computer science studies and jobs to strengthen the U.S. workforce. The report found that traditional four-year schools often fail to meet the needs of non-traditional students, who are disproportionately women and minorities.
Researchers at USF have discovered a tailored therapy for tumors with high levels of active Akt, which is abundant in 40% of women with ovarian cancer. The compound tricirbine has been found to inhibit some cancers and will be tested in clinical trials starting within six to eight months.
A study published in the Journal of Neuroscience Research found that patients with multiple sclerosis (MS) have lower expression of the FOXP3 gene, leading to reduced immune suppression. A new drug called NeuroVax was shown to increase FOXP3 levels and restore immune regulation in some patients.
Researchers at Washington University School of Medicine found that cathepsin G regulates neutrophil secretion of inflammatory chemicals, leading to tissue and cartilage damage in joints. Inhibiting this enzyme has attractive potential as a therapeutic target for treating arthritis.
Gene flow researchers found that separation distances between GM and conventional crops can meet most impurity thresholds, reducing the risk of genetic material transfer. The study also estimated that around 32,000 oil seed/B. rapa hybrids are produced in the UK every year.
Researchers found no significant difference in tests for depression and anxiety between children of people with Alzheimer's disease who were tested and those who were not. Participants reported high satisfaction with the genetic risk assessment process, with 95% saying they would choose it again.
Researchers discovered Geobacter's ability to transfer electrons outside cells through microbial nanowires. These ultrafine conductive structures could enable mini-power grids and nano-manufacturing.
Researchers can analyze patient demographics, clinical data, and gene expression using the online toolbox. The platform enables integrated analysis of diverse data sets, potentially leading to better disease diagnosis and treatment outcomes.
The thesis proposes a measurement system that uses magnetic domains as internal sensors to determine microstructure variations in steels. This method allows for the quantitative investigation of dislocation density, grain boundaries, and precipitates, opening up new technological possibilities in magnetic non-destructive testing.
A new study reveals how the GDF11 protein controls retinal-cell differentiation during development, making it an attractive therapeutic target. By manipulating this process, researchers may be able to harness the power of existing stem cells in the retina to replace damaged or diseased cells and potentially cure visual disorders.
The BP Conservation Programme has announced a new five-year initiative to support global biodiversity conservation. The program has provided annual support to teams of conservationists for 15 years, with past projects describing approximately 25 species new to science and influencing local community environmental awareness.
A new report recommends introducing post-surgery overnight recovery units to improve mortality rates and reduce hospital stays. The proposal includes assessing patient fitness at an earlier stage and using exercise and nutritional supplements to prepare patients for surgery.
Scientists at Ohio State University have created a faster method to study the Earth's atmosphere by utilizing laboratory-based spectroscopy techniques. This new approach enables researchers to quickly identify and remove interference signals from molecules in gas systems, leading to more accurate measurements of atmospheric composition.
Researchers at UCI identified a protein called prokineticin 2 (PK2) that directs new neurons created from adult stem cells to specific brain regions. This discovery could lead to targeted therapies for neurodegenerative diseases such as Alzheimer's and Parkinson's, as well as stroke and other brain injuries.
Research reveals that an individual's genetic makeup determines how arsenic is metabolized, affecting disease risk. The study found a specific gene variant associated with altered urinary arsenic metabolites in children, but not adults.
Researchers at UC Davis have discovered a receptor pathway for C-reactive protein, a known risk marker for heart disease. Blocking this pathway with specific antibodies reverses the detrimental effects of CRP on endothelial cells.
Researchers found that Scots are more likely to have poorer economic situations, drink problems, and smoke more than English people. Despite controlling for these factors, the study revealed a 50% higher heart disease rate in Scotland compared to England.
Researchers at Georgetown University Medical Center have developed a cutting-edge matrix assembly technology to analyze large numbers of tumors. The new method allows scientists to discover and detect unique biomarkers of disease in patients, leading to more accurate patient diagnosis and treatment.
A study of over 13,500 mothers and their partners found that paternal postnatal depression was associated with adverse emotional and behavioral problems in children, especially boys. The effects persisted even after controlling for maternal postnatal depression.
Researchers at Ames Lab investigate solid fuels mimicking methane, ideal for hydrogen production and efficient energy storage. They use mechanochemical processing and nanostructuring to create recharged materials.
A team of researchers from the University of Pennsylvania School of Medicine has used laser tweezers to measure the mechanical properties of individual fibers in blood clots. The study reveals that clots deform primarily by bending of their fibers, rather than stretching, providing new insights into clot physiology.
Researchers discovered extensive microRNA target gene predictions, assigning a biological function to 70% of all microRNAs. The findings provide insights into the importance and function of microRNAs across huge evolutionary time scales, shedding light on their role in shaping life's diversity.
Researchers found that chickadees produce two distinct alarm signals, warning of predator size and threat level. The birds assess risk based on body size, with larger raptors posing greater danger.
A new theoretical framework allows for two-dimensional drawings of neuron arbors, facilitating the creation of biologically realistic connection maps. This enables computer simulations of neural circuits involving tens of thousands of neurons, potentially unraveling brain mysteries.
A Brown University geologist is part of a joint space mission to study a comet's composition. The Deep Impact mission will provide a first-ever look inside a comet when an impactor hits Tempel 1, helping scientists understand how comets shaped the solar system.
Researchers discovered a stable state in the ocean-atmosphere system that is dramatically different from today's, contradicting previous studies. This finding suggests the Earth's system functioned differently in the past, and highlights the need for improved climate models to reproduce various climate states.
The discovery of Revueltosaurus, a crocodile ancestor, upends the traditional understanding of dinosaur evolution. The fossil finds suggest that herbivorous ornithischians and meat-eating theropods did not co-evolve in the Late Triassic as previously thought.