Researchers have successfully used stem cell transplantation to improve the symptoms of a mouse model with spinal muscular atrophy (SMA), a genetic disorder that causes muscle weakness and degeneration. The treatment increased the survival and function of motor neurons, leading to improved muscular function and lifespan in treated mice.
The APPRAISE-I trial found a non-statistically significant trend that patients taking apixaban with aspirin or clopidogrel had lower incidence of heart attack, stroke, and cardiovascular death, compared to those taking a placebo. However, bleeding complications were a concern, especially at higher doses.
A home-based physical activity program improved cognitive function in adults with memory problems, compared to those who did not participate. The study found that exercise delayed recall and reduced Clinical Dementia Rating scores in participants.
The European Society of Cardiology emphasizes the importance of networks in STEMI treatment, facilitating pre-hospital diagnosis, triage, and treatment with efficient transportation to appropriate hospitals. Clear protocols and cooperation among centers reduce delays and improve patient outcomes.
A new study published in the Archives of Pediatric & Adolescent Medicine found that ondansetron significantly reduces vomiting and hospital admissions in children with acute gastroenteritis. The medication also decreases the need for intravenous fluids by nearly two-thirds.
Bacteria use multifunctional enzymes to save energy and produce cell wall components, making them resistant to fluoroquinolone antibiotics. This 'moonlighting' activity protects the enzyme DNA gyrase from attack by antibiotics.
A team of researchers found definitive genetic proof of how osteoarthritis destroys joint cartilage in nearly 21 million aging Americans. The study used genetically engineered mice to show that high levels of beta-catenin lead to cartilage destruction and bony growths, providing a new foundation for treating OA.
A recent study found that white Americans' attitudes towards blacks were affected when exposed to video presentations blaming the government's response on racism or incompetence. Whites displayed strong positive attitudes towards themselves rather than negative ones towards blacks, according to the research.
After a decade-long decline, US youth suicide rates surged by 18% in 2003-2004, with the trend persisting into 2005. Researchers suspect prescription antidepressant medication may be a contributing factor, as concerns over side effects led to a 20% drop in prescriptions.
Researchers developed a new method for early detection of heart attacks using metabolite profiling, detecting changes in blood samples 10 minutes after the event. The approach has potential to improve early treatment and survival rates.
Researchers have found that farnesylated progerin, not just its non-farnesylated form, can cause symptoms of disease in individuals with Hutchinson-Gilford progeria syndrome (HGPS). Meanwhile, a new study suggests that neural stem cell transplantation may offer hope for treating spinal muscular atrophy (SMA) by improving the survival a...
The VCU Massey Cancer Center is spearheading a phase II clinical study for certain sub-types of non-Hodgkin's lymphoma, combining the novel drugs bortezomib and vorinostat. The study aims to assess the effectiveness and side effects of this drug regimen in patients whose disease has progressed following treatment with other regimens.
Research reveals that as we age, our brains struggle to ignore irrelevant information and process information rapidly, leading to decreased memory formation. This breakdown occurs early in visual processing and persists despite attempts to suppress extraneous information.
The 2008 ESC guidelines cover acute and chronic heart failure, prioritizing treatment implementation and palliative care. The document identifies gaps in evidence and aims to focus future clinical research on important issues.
Researchers at Durham University have developed two synthetic molecules that can direct stem cells to 'differentiate' into specific tissue types, improving the reliability of experiments and potentially reducing animal use. The new molecules, EC23 and EC19, are more stable than natural compounds currently used in laboratory research.
A gene controlling blood vessel differentiation during embryonic development has been linked to a brain disorder that causes stroke. The study found that the gene, Notch, can induce and reverse the disease's progression in mice, offering new insights into its molecular mechanisms.
A team of vaccine safety experts has developed a step-by-step tool to identify children with allergic reactions to vaccines and provide safe immunization plans. Most children with known or suspected vaccine allergies can be safely vaccinated with proper monitoring and precautions, according to the study.
A new study published in PNAS found that a B-vitamin deficiency can cause vascular cognitive impairment in mice. The research, conducted by researchers at Tufts University, used an experimental model to examine the effects of dietary B-vitamin deficiency on metabolic, cognitive, and microvascular changes.
A study in JAMA Network found that only 5% of California parents with chronically ill children have used the Paid Family Leave Insurance Program, despite its existence since 2004. The lack of awareness and use of the program may be attributed to various factors, including perceived costs and benefits.
A new study reveals that experienced Zen meditators can quickly clear their minds of distractions compared to novices. After being interrupted by a word-recognition task, experienced meditators' brains returned faster to their pre-interruption condition.
Researchers found that higher-ranking males produced groans with lower minimum fundamental frequencies and to a lesser extent, with lower formant dispersion. Dominance status was the factor most strongly related to mating success, with higher-ranking males having higher mating success.
Researchers analyzed 67 pediatric drugs, finding nearly 1 in 5 required label changes due to life-threatening adverse events. The study highlights the importance of post-marketing surveillance for pediatric safety.
Researchers have grown nanonets, a flexible webbing of nano-scale wires, using titanium disilicide to improve material performance. The nanonets multiply surface area, enhancing the material's ability to conduct electricity and potentially leading to breakthroughs in electronics and energy-harvesting applications.
A new study suggests that short interfering RNAs (siRNAs) may exhibit non-specific therapeutic effects related to immune stimulation. The researchers used a mouse model of influenza and demonstrated that the anti-viral activity of siRNA is mainly due to non-specific stimulation of the immune system.
Researchers discover complex events initiated by individual spikes in the human cerebral cortex, triggered by specific chandelier cells. The study suggests that humans possess different types of cells contributing to higher cognition.
Research highlights the potential benefits of antihypertensive treatment on cognitive functions in Alzheimer's disease. Studies show that treating high blood pressure may reduce the incidence of dementia and slow cognitive decline in older adults. However, more studies are needed to confirm these findings.
A new brain imaging study reveals that there are optimal times for multitasking, allowing individuals to be more efficient. The research found that certain brain regions show higher activity when people are performing well under multiple tasks.
Researchers at Penn State have developed a computational method to trace evolutionary histories of proteins back to cells or viruses, aiming to settle the debate on which came first. The new approach uses phylogenetic profiles and tree-like diagrams to provide clearer insights into retroelement evolution.
A recent study found that positron emission tomography (PET) scans led to changes in treatment plans for more than half of patients with suspected recurrent colorectal cancer. The study, conducted at four sites in Australia, involved 191 patients and showed that PET scans identified additional disease sites in 48% of patients, allowing...
A study has identified a new gene that may play a key role in the development of pediatric-onset inflammatory bowel disease. The gene, TNFRSF6B, is involved in regulating inflammation and its activity has been linked to the severity of the disease.
A new study published in the Journal of Vision found that fixing a driver's gaze on specific targets along a curve results in smoother and more stable steering. Researchers believe this technique could inform the development of next-generation in-car driving assistance systems.
Researchers found that losing sleep for part of one night activates cellular pathways producing tissue-damaging inflammation, linked to increased risk of cardiovascular disease and autoimmune disorders. Good sleep habits may ease this risk.
The use of anticoagulants, antiplatelet agents, and thrombolytics in acute coronary syndromes (ACS) increases the risk of bleeding, which has emerged as a major contributor to poor outcomes. Careful selection of drugs and measures to prevent gastrointestinal bleeding can help mitigate this risk.
The new guidelines focus on improving diagnostic accuracy and prognostic evaluation of patients with PE. In high-risk cases, immediate thrombolytic treatment is recommended to save lives, while in low-risk cases, anticoagulants are used to prevent future episodes.
Researchers use wave energy to pump cold, nutrient-rich water from deep ocean to surface waters near Hawaii, aiming to control plankton growth. They believe this can help mitigate global greenhouse buildup by understanding large-scale interactions between the atmosphere and ocean.
A US study found that nearly half of all US adults and two-thirds of obese adults will develop symptomatic knee osteoarthritis by age 85. Maintaining a normal weight reduces the risk, according to researchers from the University of North Carolina.
A new study by Kent State professor John Updegraff suggests that finding meaning in the immediate aftermath of traumatic events like 9/11 can help individuals adjust over time. The research found that those who were able to make sense of the attacks coped better, reducing their fears of future terrorism and distress.
A recent study by the American Academy of Ophthalmology found that 12% of ophthalmologists use electronic health records, with positive outcomes including increased productivity and cost savings. Researchers also identified factors predicting risk of progression from early to advanced age-related macular degeneration.
A new study published in Biological Psychiatry found that adding N-acetyl cysteine to usual treatment improved depressive symptoms in individuals with bipolar disorder. The study suggests a potential new treatment option for psychiatric disorders, particularly those involving brain glutathione metabolism.
Patients with suboptimal response to aspirin and/or clopidogrel showed a significant reduction in myocardial damage during percutaneous coronary intervention when treated with tailored infusion of tirofiban. This treatment strategy aims to modulate intensity of treatment based on individual platelet reactivity.
Researchers at Mayo Clinic and Virginia Bioinformatics Institute discover that eosinophils exert a strong immune response against the environmental fungus Alternaria alternata. The innate immune system of humans is capable of killing the fungus, which is linked to airway inflammation, chronic rhinosinusitis, and bronchial asthma.
The REGENT trial found that intracoronary infusion of CD34+CXCR4+ stem cells improved LVEF in patients with severely depressed baseline LVEF. While the treatment showed no significant improvement in overall patient groups, it was safe and feasible.
The Broad Institute will develop molecular tools to probe human biology and disease using small molecules. The six-year NIH grant supports high-throughput screening of molecular libraries to identify compounds with interesting biological functions.
Researchers at the University of Cincinnati have found that deep brain stimulation can halt the progression of dopamine-cell loss in animal models. The study suggests that stimulating neurons with electrodes boosts the amount of BDNF, a protein that promotes neuronal growth.
Research reveals that chronic alcohol consumption alters neural systems in the brain, leading to cognitive deficits and disorders of memory and learning. Dynorphins, a key player in this process, are found to be upregulated in the prefrontal cortex and hippocampus, impairing learning and memory.
A $1.75 million grant will help experts develop ways to stop the damage caused by thrips-vectored viruses, a major enemy of tomato and pepper farmers in the Southeast US. Researchers aim to reduce the risk and damage of the tomato spotted wilt virus through a coordinated effort among universities.
The National Institutes of Health (NIH) has awarded Burnham Institute for Medical Research a six-year, $97.9 million grant to establish one of four comprehensive small-molecule screening and discovery centers in the US. The new facility at Lake Nona will enable the center to screen more than 2 million chemical compounds per day.
Research from University of Michigan sleep experts reveals that babies born to moms with depression are more prone to having chaotic sleep patterns in the first half-year of life. The study found that infants born to depressed mothers nap more during the day, take longer to settle down at night, and wake up more often during the night.
Dr. Yong Shi of Stevens Institute of Technology has been awarded a $300,000 NSF grant to design and test an umbrella-shaped micro-actuator for thrombus retrieval in stroke therapy. The actuator uses novel piezoelectric nanofibers to provide dynamic shear force on blood clots.
A UK study found that 2.8 million men and 900,000 women are at high risk of developing cardiovascular disease but remain undiagnosed. The research highlights the need for a national CVD risk assessment programme to detect those who haven't already been identified.
The Phase II clinical trial of FX06 showed a statistically significant reduction in myocardial necrosis following intravenous application concurrent with reperfusion. The peptide preserves blood vessel function by binding to VE-cadherin, leading to reduced inflammation and infarct sizes.
Research reveals that as cycling participation increases, so do safety levels for both cyclists and motorists. Studies show a one-third drop in crash frequency with increasing cyclist numbers. Experts attribute this effect to changed driver behavior, not improved infrastructure or laws.
The European Society of Cardiology has released updated guidelines for ST elevation infarction, emphasizing the importance of hospital networks and efficient ambulance services. The guidelines also provide recommendations for selecting primary PCI versus fibrinolytic therapy and incorporating antithrombotic co-therapies.
A new study published in BioMed Central's Nutrition Journal found that popular slimming programmes do result in reduced energy intake while providing enough nutrients. The four commercial diets tested were Slim Fast, Atkins, Weight Watchers, and Rosemary Conley's Eat Yourself Slim Diet & Fitness Plan.
A Phase II study found trends suggesting apixaban reduces heart attack, stroke risk but increases bleeding among higher doses, warranting further study.
Researchers found that both farnesylated and non-farnesylated progerin can cause symptoms of Hutchinson-Gilford progeria syndrome (HGPS), a rare childhood disorder resembling premature aging. The study uses a new mouse model to challenge the effectiveness of inhibitors of farnesylation as a potential therapy.
Researchers found that HHV-6 is integrated into the chromosomes of babies born with the virus, differing from congenital CMV infections. This unique mode of infection may occur in up to 1 in 116 newborns, affecting their development and immune system.
Researchers at Johns Hopkins University have uncovered a molecular circuitry associated with schizophrenia, linking three previously known proteins. The study found that these proteins interact synergistically during normal brain development and are linked to the condition in some patients.
A new study confirms that colorectal cancer screening should begin at age 50, with colonoscopies being the most effective method for preventing the disease. The study found that the prevalence of colorectal polyps increases sharply after age 50, and African Americans have a higher rate of right-sided polyps.
A CU-Boulder study suggests that growing numbers of dams and impoundments are facilitating the spread of invasive species into natural lakes. The research team found that such species can create 'stepping-stone habitats' for further invasion, posing risks to lake ecosystems.
A recent Australian study published in the Journal of the American Medical Association found that moderate exercise can significantly improve cognitive function in older adults at risk. Participants who walked for 2 and a half hours a week showed better delayed recall, lower Clinical Dementia Rating Scores, and improved memory problems.
A new study led by Dr. Keiko Watanabe found that periodontitis accelerates insulin resistance in rats with a high-fat diet. The research will explore the impact of periodontitis on diabetic complications in the retina, aorta and pancreas.
A new study by RAND Corporation researchers found that only 18% of parents with chronically ill children were aware of the program and only 5% used its benefits. Most parents who took leave or didn't take leave despite knowing their child's illness required it didn't know about the program.
A new study found that rapid weight gain in early childhood is associated with higher systolic and diastolic blood pressure in adulthood. The research, published in the American Heart Association journal, suggests that changes in post-natal weight gain and childhood weight gain are linked to small but significant increases in blood pre...
A new study has resolved a 50-year-old debate on cell division, finding that both polar relaxation and equatorial stimulation mechanisms exist in cells. This discovery may aid cancer research and provide insights into genetic diseases.
The NIH has funded a network of nine centers to use high-tech screening methods to identify small molecules as probes to investigate cell functions and develop new therapies. The goal is to increase the pace of development and use of chemical probes, which have become invaluable tools for exploring biologic processes.
A study published in JAMA found that using sodium bicarbonate for hydration during coronary angiography does not reduce the risk of developing serious kidney problems compared to using sodium chloride. The results suggest that there is little difference in outcomes between the two hydration strategies.
The Entomological Society of America has named 10 new Fellows, including Dr. Robert N. Coulson, John G. Hildebrand, and Dr. Lawrence A. Lacey, for their outstanding contributions to research and teaching in the field of entomology.
A world-first trial has proven that regular physical activity can lead to a lasting improvement in memory function. Older adults who engage in 20 minutes of aerobic exercise daily outperform those who don't, with improved recall of shopping lists and social interactions.
A recent study has uncovered the mechanism by which Salmonella enterica serovar Senftenberg attaches to salad leaves, causing contamination and health risk. The bacteria use their long stringy appendages called flagella to bind to the leaves, and understanding this process is crucial for developing new methods of prevention.
Researchers at Tel Aviv University develop a way to cultivate cells derived from insulin-producing beta cells, potentially implanting them into patients with type 1 diabetes. This innovative method could reduce the need for life-saving organ transplants and one day be as simple as a blood transfusion.
A new study found that limiting soft drink availability at school is associated with a 4% decrease in overall consumption. However, available soft drinks remain a significant contributor to daily consumption among children, particularly low-income and rural students.
Researchers characterize grapevine transposons, finding they capture and amplify gene sequences, influencing gene evolution. The study also reveals 'domesticated' transposons with cellular roles, contributing to genetic diversity.
Researchers will create immersive virtual environments and assess their effectiveness in undergraduate engineering classes, enabling flexible learning with video games and IT tools. The project aims to enhance student engagement, accessibility, and learning outcomes in mechanical engineering education.
Darapladib's Lp-PLA2 inhibition prevents necrotic core expansion and plaque vulnerability in patients with coronary disease. Despite high standard care treatment, placebo-treated patients showed increased necrotic core volume, while daraplidib halted this increase.
Research reveals cosmic dust originates from Koronis asteroids, with analysis matching mineralogy and chemistry to chondrite meteorite samples. The study provides new insights into the earliest history of our solar system.
The European Society of Cardiology recommends pre-hospital treatment with antiplatelet agents, such as aspirin and clopidogrel, to improve clinical outcomes in STEMI patients. Unfractionated heparin is also used during primary PCI in STEMI, while bivalirudin has been shown to reduce major bleeding and ischemic events.