Researchers have developed a method to extend the shelf life of cultured fetal neural stem cells, enabling the generation of enough cells to treat diseases like Parkinson's and ALS. The study characterized long-term neural stem cell lines using gene chip analysis, which may help create customized cells for therapy.
Researchers discover cadmium inhibits DNA repair mechanisms, leading to dramatic mutations and increased cancer risk in humans. Environmental exposure to cadmium may cause genetic damage through this novel pathway.
University Health Network researchers have identified a new class of human stem cells that rapidly rebuild the blood system, allowing for faster recovery from cancer treatment. The discovery holds significant implications for transplant patients who are vulnerable to infections during their weakened state.
In a groundbreaking study, UCSD researchers discovered that the 14-3-3 epsilon protein is crucial for normal brain development and migration of neurons. Defects in this protein lead to severe brain disorders like Miller-Dieker syndrome, characterized by profound mental retardation and early death.
Researchers at CDC found a rise in cholesterol levels among Japanese children, mirroring trends seen in Western countries. The study highlights the importance of early intervention measures to prevent heart disease and obesity.
Researchers uncover the critical 'on-switch' enzyme Abl kinase plays a crucial role in activating the pathway preparing receptors on muscle cells to react to nerve impulses. This finding has broad implications for understanding neuromuscular diseases and developing targeted treatments.
A study by W. Richard Walker and colleagues found two causes for positively biased recollection of the past: pleasant events outnumber negative ones and memory treats pleasant emotions differently from unpleasant ones. This fading affect bias allows people to cope with tragedies, celebrate joyful moments, and look forward to tomorrow.
A study found that statin therapy combined with aggressive lifestyle modifications can significantly reduce coronary calcium scores and prevent disease progression. In the 12-year follow-up, nearly one-third of patients on statins and lifestyle changes showed reduced calcification scores, avoiding revascularization procedures.
Researchers discovered a core set of essential genes that universally activate in human cancer, regardless of tissue origin. The findings suggest these genes are prime targets for new cancer-fighting drugs.
Duke University researchers have successfully grown human arteries in a laboratory using 'immortalized' cells, overcoming the hurdle of human artery cells not being able to divide long enough. The team used the hTERT gene to extend the life span of smooth muscle cells, allowing them to form functional arteries.
The Georgia Tech research aims to develop advanced Computational Fluid Dynamics (CFD) techniques to study blood flow turbulence in heart valves. The team will create a virtual environment that accurately models the turbulent flow environment, which could lead to better design and reduced thromboembolic complications.
Paerl was recognized for his work on understanding aquatic microbial processes, documenting linkages between atmospheric deposition of nitrogen and harmful algal blooms. He has made significant contributions to knowledge in freshwater, estuarine, and marine ecosystems, promising a continuing legacy of scientific excellence.
A study of 213 premature babies found that brain damage was most likely caused by prematurity and infections. The research revealed that even with advances in medical care, such as electronic fetal heart rate monitoring, the incidence of cerebral palsy and other problems has remained unchanged.
The study found that BAC proliferation correlated with HER2 but not EGFR expression, suggesting a potential role for combination therapies. Researchers hope to launch a clinical trial of HER2- and EGFR-blocker combination therapy in the treatment of BAC.
Researchers at UH have discovered why insulin crystals do not form a certain defect called step bunching, which can lead to defects in crystals used in lasers. Understanding this process can help improve crystal-growing methods and lead to breakthroughs in medicine and technology.
Researchers from Oregon Health & Science University have developed the first comprehensive guidelines for treating brain injuries in children, addressing key issues such as airway management and surgical options. The guidelines aim to improve treatment consistency and outcomes across hospitals and clinicians worldwide.
Researchers have identified 43 different resistance genes on chromosome 10 of the rice genome, which are grouped into three major clusters that help improve its specificity in fighting pathogens. The discovery aims to aid the rice plant's battle against diseases such as rice blast.
A new instrument, Decisional Involvement Scale (DIS), assesses the level of involvement registered nurses have in decisions affecting their work environment and patient care. The DIS can help hospitals identify areas for improvement and implement changes to reduce staff turnover and enhance quality of care.
The study predicts about 3,500 genes on Chromosome 10, with a modular structure featuring a long arm rich in genes and a short arm with relatively few genes. The analysis also found matches for about two-thirds of the proteins encoded by the chromosome with those encoded by Arabidopsis thaliana.
Researchers found that combining amiodarone with antifungal agents miconazole and fluconazole kills more fungi than expected, making it a promising treatment for severe fungal infections. The unique mechanism of action disrupts calcium balance in fungal cells, leading to their death.
A research team at NYU has identified cells in the hippocampus that signal new memory formation, shedding light on how associations are formed in the brain. The discovery is a major breakthrough in understanding the brain basis of memory and could lead to new treatments for Alzheimer's disease.
Researchers deployed to Anatahan island to collect samples of gas, ash, pumice, and lava to study the early emissions and gases from the volcano. The samples will help determine the hazards of this eruption and provide critical clues about the possible behavior of Anatahan over the next few weeks and months.
Researchers have discovered kilometer-wide stretches of bare bedrock, exposing strong environmental forces that scour the surface. The data also reveals common accumulations of loose rock on martian hillsides, indicating recent weathering processes. These findings suggest a dynamic Mars with active geological features.
Researchers Mark Gluck, Catherine Myers, and Martijn Meeter propose a novel interpretation of how the brain organizes sensory input into memories. They suggest that the entorhinal cortex handles incremental learning, while the hippocampus stores episodic memory.
George Stegman has been awarded the R. W. Wood Prize by the Optical Society of America for his groundbreaking research in nonlinear integrated optics. This technology enables fast and efficient data transfer, potentially revolutionizing fields like medicine and computing.
Indonesia aims to create 5 million hectares of new marine protected areas, with the help of $1 million investment from Conservation International's Global Conservation Fund. The move is part of efforts to reverse ocean decline and promote sustainable development.
Despite minimal changes in marital happiness and divorce rates, researchers found a decline in shared activities among couples. Equalitarian marriages have a positive impact on marital quality, while cohabitation before marriage leads to lower marital satisfaction.
Researchers have completed a 'finished' sequence of rice's smallest chromosome, revealing twice as many genes as initially predicted. The detailed genome map shows significant similarities to other grains like sorghum and maize, providing valuable insights into the genetics of plant biology.
Researchers at UCR identified a key protein involved in protein processing and degradation in plant vacuoles. This discovery sheds light on the importance of vacuoles in plant physiology and may have significant implications for understanding aging and stress responses in plants.
The team has produced a complete and accurate rice genome sequence, which will help improve crop yields and feed the world's population. The achievement is made possible by Rutgers' participation in Reinvest in Rutgers program, funded by the state of New Jersey.
Researchers found that multiple-dose activated charcoal significantly reduced deaths in patients with oleander poisoning compared to placebo. The treatment also decreased the need for cardiac pacing and intensive care. Charcoal may be useful in treating other cardiac glycoside poisonings as well.
Researchers developed single-molecule imaging technique to measure myosin movement, finding it 'walks' in a fashion similar to humans. The study used this technique to determine that myosin V's step size is consistent with a hand-over-hand walking mechanism.
Early-onset group B streptococcal (EOGBS) infection affects one in 1000 newborns, but diagnostic tests often yield false-negative results. A new study suggests that active surveillance and alternative diagnostic methods could improve accurate diagnosis and prevention of this potentially deadly disease.
A study of 114 asthmatic children found that higher exposure to nitrogen dioxide before a viral infection led to more severe asthma symptoms and exacerbations. This suggests that controlling air pollution could reduce healthcare costs associated with treating acute asthma attacks.
A comprehensive NASA study found that climatic changes have led to increased plant growth globally over the last two decades. The research, published in Science magazine, attributes the increases primarily to climate change, with lesser contributions from carbon dioxide fertilization and forest regrowth.
The UCSD Stroke Center will utilize a new ultrasound screening tool and provide remote consultations via wireless technology to increase the number of stroke patients receiving timely treatment. The grant also supports clinical trials using hypothermia as a method to extend the window of treatment effectiveness from three to six hours ...
Researchers monitored activity of individual neurons in monkeys' brains as they learned new associations through a computer game. The study identified 'changing cells' whose neural activity paralleled learning, suggesting a gradual recruitment of hippocampal neurons involved in memory formation and long-term storage.
A groundbreaking study has identified mirtazapine as a highly effective treatment for sleep apnea, significantly reducing symptoms and improving breathing patterns. The medication, already approved for depression, showed the largest benefit and most consistent improvement of any pharmaceutical therapy in controlled studies.
The UK Government's proposed law on corporate killing aims to make companies financially accountable for their actions. However, the editorial criticizes this approach, arguing that it fails to hold individual directors directly responsible for decisions leading to injury.
A study by Temple University researchers found that pRb2/p130 binds to the estrogen receptor alpha and recruits molecules that make breast tumors more responsive to treatment. However, mutated pRb2/p130 signals can silence the expression of the estrogen receptor, making therapies less effective against cancer cells.
Bruce Lipshutz's patented method uses transition metal catalysts to produce CoQ10 efficiently, targeting cancer, Parkinson's, and Huntington's diseases. The process reduces costs by using inexpensive ingredients and minimizing production steps.
Scientists identify enzyme in plants that triggers S1P production, a molecule involved in regulating cell proliferation and death. The discovery sheds light on plant's ability to withstand drought and may lead to development of crop varieties with higher yields and greater resistance.
A recent study published in Science found that the direction of another's gaze significantly affects how we perceive emotions. When viewing pictures of angry or fearful expressions, brain activity increases in the amygdala when the person is looking away or not making direct eye contact.
Researchers at Penn State College of Medicine discovered a possible explanation for restless leg syndrome, finding that brain cells lacking enough iron may cause misfiring of neural signals. This discovery establishes RLS as a sensory motor disorder rather than a psychological one, offering hope for future treatments.
Researchers found exercise had a bigger emotional boost for those with high neuroticism measures, suggesting it could benefit individuals with psychological difficulties. The study also found the link between physical activity and mood was independent of daily events.
Archaeologists have uncovered a large storage bin with numerous seal impressions, indicating the presence of an elite population with special rights and elevated status. The findings suggest widespread trade and cultural exchange between western India, Pakistan, Afghanistan, and Central Asia during this period.
Failure to meet HIV prevention goals may result in significant financial losses. The CDC's national goal of reducing new infections by 50% might not be met by 2005, leading to an estimated $18 billion in incurred net medical costs between now and 2010.
The CAST software anticipates team members' information needs, finds commonalities, and determines data processing. This helps improve team decision-making and collaboration in time-critical environments.
Researchers develop technique to visualize individual vesicles after release, discovering three modes of recycling: kiss-and-run, compensatory and stranded. The study reveals the rate of synaptic vesicle recycling determines information transmission in nerve cells.
Health care providers must recognize unusual disease trends and early warning signs of intentional water contamination. With prompt diagnosis and proper management, they can make a difference in minimizing the impact of such an event.
The Northwestern Memorial Hospital is leading an international brain aneurysm study to confirm a familial link and identify specific genes responsible for the development of intracranial aneurysms. The goal is to prevent and treat aneurysms early, reducing premature mortality and morbidity associated with this type of stroke.
A study found that people with a gun in their home are almost twice as likely to die in a gun-related homicide and 16 times more likely to use a gun to commit suicide than those without. Handguns account for most domestic homicides and suicides, highlighting the dangers of gun ownership.
Researchers used ancient pollen data to test hypotheses on species diversity and coexistence in forests. They found that stabilizing forces, not neutral dynamics, were maintaining forest diversity, contradicting long-held views.
New guidelines published in Agronomy Journal provide a standardized approach to soil surveying and mapping, allowing farmers to make data-driven decisions. The technology is expected to revolutionize the agricultural industry within the next one to two decades.
Researchers at the Salk Institute have developed a detailed model of how stem cells produce motor neurons, which could lead to new treatments for spinal cord injuries and diseases affecting motor nerve cells. The study demonstrates an unusually efficient yield of 60 percent motor nerves using two key gene and protein-regulated pathways.
Researchers found that twins who started menstruating earlier were more likely to develop breast cancer, suggesting a link between puberty hormones and genetic susceptibility. The study provides new insights into the causes of hereditary breast cancer and potential targets for intervention.
Using a modified version of a naturally occurring human protein, researchers were able to significantly reduce the spread of disease and decrease tumor growth without evidence of toxicity. The modified protein was able to interfere with cancer cells' ability to stick to one another and other healthy cells.
Federal regulations and hospital policies can leave patients in debt due to lack of clear guidelines on free or discounted care. Hospitals often do not have procedures for negotiating discounts with uninsured patients who cannot afford full charges.
A major study of over 7,000 living donor kidney transplant patients found that Neoral significantly improves three-year graft survival rates and prolongs the estimated graft half-life compared to tacrolimus. This suggests a clear advantage for Neoral in reducing the risk of transplant failure.
A Duke University Medical Center analysis found that poverty is associated with worse short- and intermediate-term outcomes in heart disease patients, despite similar levels of care while in the hospital. Post-discharge factors such as poor diet, smoking, and non-compliance with medications contribute to these poorer outcomes.