Researchers have discovered a potential treatment for Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT), a rare inherited heart disorder that causes sudden cardiac deaths. Flecainide, a drug used to treat heart arrhythmias, has been found to reduce calcium release in heart cells, counteracting the cause of CPVT.
A new review sparks debate over climate change's effect on pathogens, with some arguing it may reduce their ranges in affluent regions. However, others believe disease expansion could occur in areas where humans settle high latitudes and altitudes.
A national study found that nearly 20% of patients discharged from the hospital are rehospitalized within 30 days, often due to lack of follow-up care. The study highlights the need for hospitals and doctors to focus on preventing readmissions through coordinated care and patient education.
The Journal of Correctional Health Care has been accepted into the premier bibliographic database MEDLINE, making its research and case studies more accessible to a vast audience. The journal, published by SAGE on behalf of NCCHC, addresses correctional health care topics through original research, best practices, and literature reviews.
A new study found that babies born with lower weight are more likely to develop chronic diseases like heart disease and diabetes later in life due to increased inflammation. Researchers followed over 5,600 children from birth to adulthood, finding a link between early growth and adult inflammation.
A Commonwealth Fund-supported study found that half of non-surgical Medicare patients are readmitted without follow-up care, highlighting gaps in patient management and the need for coordinated care. The study suggests interventions to improve discharge planning, education, and follow-up care to reduce rehospitalizations.
A study by IDIBAPS reveals that prefrontal cortex activation improves working memory by reinforcing parietal cortex activity, enhancing short-term visual information retention. This innovative view opens up new research avenues, particularly for understanding and treating diseases affecting working memory.
Researchers found that individual amphibians can develop resistance to chytridiomycosis, a deadly fungal disease. Innate and acquired immunity play a role in fighting off the disease.
Adolescent and young adult vegetarians tend to have better dietary intake and weight outcomes compared to non-vegetarian peers. However, they also face an increased risk of disordered eating behaviors such as binge eating and extreme unhealthy weight control measures.
Researchers found that Muc4 promotes release of breast cancer cells from primary tumor, allowing them to survive and resist treatment. The study suggests that targeting Muc4 could lead to new treatments for breast and potentially other cancers.
Researchers at the University of Rochester have developed a novel optical technique called IRAM that enables rapid analysis of single human immune cells using only light. This technique allows for clear differences between two types of immune cells to be seen, providing new insights into cell activation and development.
Researchers propose an operational definition of 'epigenetics' to address confusion in the scientific community. They define it as stably inherited phenotypes resulting from changes in chromatin without altering DNA sequences. The proposed definition highlights three signals involved in establishing a heritable epigenetic state.
A natural method of disinfecting mung bean seeds using hot water has been discovered, killing bacterial pathogens like Listeria monocytogenes without reducing germination rates. This method is suitable for organic production systems and could help prevent food poisoning outbreaks.
Research suggests that THC induces autophagy-mediated cell death in human brain cancer cells, including glioblastoma multiforme. Administration of THC to mice with human tumors decreased tumor growth and induced autophagy in tumor cells.
Researchers suggest that autism symptoms may be reversible due to dysregulation of the locus coeruleus, a bundle of neurons processing sensory signals. The new theory proposes that fever can stimulate this system, potentially restoring its normal function.
By using atom probe tomography, researchers have provided an atomic-level view of the composition of a nanowire, allowing for precise measurement of dopant atoms and understanding of synthesis conditions. This breakthrough enables control over electronic properties of nanowire devices, paving the way for improved device performance.
A new study found that Naltrexone significantly reduced stealing behavior in individuals with kleptomania. The research suggests the drug may offer hope for those struggling with the condition, particularly when used in combination with individual therapy.
Researchers linked pre-historic seismic events on the San Andreas Fault to assess likelihood of future great ruptures. Analysis suggests several events similar to a historical earthquake occurred since A.D. 900 on the southern San Andreas fault.
The American Dietetic Association supports the consumption of fortified foods as part of a balanced diet to reduce disease risk and promote optimal health. The organization encourages further research into the health benefits and risks of individual functional foods, advocating for evidence-based health claims on food labels.
The study reveals that the hydrophobicity of NOCTUIDAE moth wings is induced by the multivariate coupling of shape, structure, and biomaterials. The hierarchical rough structure on the wing surface enhances surface hydrophobicity, allowing it to repel rainwater, dew, and dust.
Research suggests that preconceptional psychological distress is a strong predictor of infant night waking, increasing the risk by 23% at 6 months and 22% at 12 months. This can lead to sleep problems in early childhood, affecting learning abilities and behavior.
Nikki Pohl's breakthrough technology can produce complex carbohydrate molecules in 24 hours at a fraction of the cost of current methods. The startup company, LuCELLa Biosciences Inc., plans to develop an online catalog and sell custom-order carbohydrates to researchers and pharmaceutical companies.
Researchers found that cannabinoids like THC have anticancer effects on human brain cancer cells by inducing autophagy. Additionally, lithium was shown to protect hippocampal nerve cells in mice treated with cranial radiation therapy, suggesting it may be a new approach to reducing long-term neurological side effects.
A new study found that ultrasound and blood test screening for ovarian cancer only catches the disease in its late stages, resulting in unnecessary surgery. The positive predictive value of these tests is remarkably low, leading to many false positives.
Researchers found a possible genetic cause for increased risk of advanced colorectal cancer in African-Americans, with the Pro72 allele linked to higher mortality rates. The study analyzed 137 tumors and found that African-Americans had a higher frequency of this allele, which was associated with shorter survival rates.
This article provides optimization strategies for polymerase chain reaction (PCR) and a method for loading individual cells with fluorescent probes via patch pipettes. The techniques are described in detail, including touchdown PCR and hot-start PCR, and their applications in neuroscience research.
Researchers developed a computer program that replicates complex seashell patterns using simple principles from brain function. The 'neural net' model shows how mollusks sense and build their shells based on previous layers, much like the human brain projects memories.
Studies found that partial correction of severe anemia with erythropoietin improves heart structure, while normalization of hemoglobin levels reduces fatigue in kidney disease patients. However, treating to a normal hemoglobin level may cause harm and is not recommended for all patients.
Computer simulations and ancient magnetism reveal that mantle plumes can move beneath the Earth's crust, contradicting the long-held theory of fixed hotspots. The research suggests that a plume may have bent nearly 1,000 miles across the Pacific Ocean, with its top moving over 19 degrees north latitude.
A study published in Psychological Science found that acute stress impairs rational thinking, causing individuals to become more conservative in financial decisions but riskier when losses are involved. This can have significant implications for personal finance and decision-making under stress.
Beijing Institute of Technology researchers developed a unique multi-living agent concept to analyze complex information systems under SRSC environment. They found that analyzing agents' livelihood can determine system behavior well or not.
Scientists at Berkeley Lab create two-dimensional electron gas with controlled spin state, exhibiting persistent spin helix with infinite lifetime. This discovery could lead to more efficient spin transistors and other devices.
A recent study found that distance from a patient's home to the nearest transplant facility has no bearing on whether an individual is placed on the transplant waiting list. However, the research identified neighborhood poverty as a key factor associated with disparities in waitlisting, particularly for black patients.
A new study from the University of Michigan Comprehensive Cancer Center found that health choices at diagnosis play a major role in head and neck cancer survival. Patients with better habits such as not smoking, exercising regularly, eating enough fruits, and limiting alcohol use had longer survival times.
Researchers at UCLA have identified a gene mutation responsible for short-rib polydactyly syndrome, a deadly disorder that kills newborn babies. The discovery will allow for earlier testing of embryos at risk for the disease, potentially saving lives and reducing the emotional burden on families.
Researchers in Japan investigate three technologies for heat recovery: latent heat, reaction heat, and thermoelectric devices. They find that high-temperature waste heat with adequate exergy value exists in many industries, offering effective ways to recover waste heat.
Researchers at Helmholtz Munich have discovered the last step leading to blood cell formation, which has important implications for the development of new therapies. The study found that a special type of endothelial cell can transform into blood cells, providing a key insight into the mechanisms of hematopoiesis.
A study found that maternal smoking is associated with an impaired infant arousal process, which may increase the risk for sudden infant death syndrome (SIDS). The study suggests that maternal smoking can impair the arousal pathways of seemingly normal infants, explaining their increased risk for SIDS.
Researchers developed a targeted antibiotic to kill Porphyromonas gingivalis, a cause of gum disease, without harming other beneficial bacteria. This approach aims to provide new treatments for oral diseases and prevent drug resistance.
A mathematical algorithm has been devised to address population relocation due to climate change, taking into account various costs and planning priorities. The multi-objective optimization approach aims to ensure fair and economically viable relocation decisions.
Researchers at UT Southwestern Medical Center have identified a new biological indicator, RIP1, that may help identify the most aggressive forms of adult brain cancer. High levels of RIP1 are commonly found in glioblastoma tumors and are associated with poor prognosis and resistance to chemotherapy.
Two new studies explore ways to clear hepatitis B virus (HBV) and hepatitis C virus (HCV) from patients' bodies. Researchers found that HBV superinfection can lead to clearance of HCV in chronic HCV patients, while interferon-based therapies show promise for treating chronic HBV.
A new process controlling cell fat storage has been discovered, which could lead to novel drugs for metabolic syndrome and fatty liver disease. The study found that autophagy regulates lipid metabolism, and disrupting this process can contribute to diseases such as obesity and type 2 diabetes.
A new study reveals that lithium promotes DNA repair in irradiated mice, protecting nerves in the hippocampus by decreasing double-strand DNA breaks. Targeted therapies to enhance DNA repair may provide an avenue for future therapeutic development.
Researchers found that drinking white wine can lead to darker tooth stains due to acids creating rough spots and grooves. Red wine still causes more severe staining than white wine, but a whitening toothpaste can help prevent both types of stains.
A novel hemodialysis procedure called high cut-off hemodialysis has been shown to restore kidney function and increase lifespan in patients with multiple myeloma, a form of cancer that causes severe kidney failure. In a study of 19 patients who underwent the procedure while receiving chemotherapy, 70% became independent of dialysis.
DHA reduces tumour size and enhances chemotherapy's effects while limiting its harmful side effects, according to a new study. The researchers call for greater deployment of omega-3s in the fight against cancer.
Researchers found that breast cancer screening's life-saving benefit gradually increases with age, but the majority of women do not need regular mammograms to save lives. The study estimated that around 1 in 5,000 women will be saved by screening between ages 40-59.
A study published in Ophthalmology found that while vision problems are rare among urban preschoolers, nearly 5% require treatment, yet only 1% receive it. Untreated refractive errors can lead to amblyopia and strabismus if left unchecked.
Researchers at Scripps Institution of Oceanography have discovered that marine fireworms use bioluminescence for both attracting mates and as a defense mechanism to distract predators. The study found that the light is stable in temperatures as low as -20 degrees Celsius and resilient in low oxygen levels.
A new study from the University of Missouri found that newborns' immune systems require time to mature before responding effectively to vaccines. This slow maturation can lead to an overabundance of Th-2 cells, which can cause allergic reactions and make infants more susceptible to infections.
Mid-level shoulder separations, also known as acromioclavicular joint injuries, are common athletic injuries. Nonsurgical treatment is often favored for type III injuries, but surgical reconstruction may be recommended for certain patients with persistent instability. Both approaches require rehabilitation to restore motion and strength.
Researchers at Oregon State University have developed a new cooling system that can improve the energy efficiency of diesel engines by using waste heat. The system has shown improved efficiencies of 20-30 percent in situations where cooling is needed, and may be used to provide air conditioning or electricity.
Researchers found that DHPEA-EDA protects red blood cells from damage, providing greatest protection against heart attack and stroke. The study suggests virgin olive oils contain higher levels of this compound, which could lead to the production of functional oils designed to reduce heart disease risk.
A study found that sorafenib dramatically improved the condition of rats with portal hypertension, reducing new blood vessel growth and improving liver function. The results suggest that sorafenib may be an effective therapeutic agent for treating advanced portal hypertension.
Research suggests that folate intake can have dual positive and negative effects, with adequate intake offering protection against cancer but excessive amounts facilitating tumor growth. The optimal level of folate intake varies depending on the individual's specific circumstances, highlighting the need for tailored guidelines.
A recent study highlights the importance of prompt medical intervention in combat injuries, where timely surgical care can significantly improve survival rates. Orthopaedic surgeons are at the forefront of this effort, providing treatment as soon as possible to prevent further damage and promote optimal function.
Autism Speaks announces partnerships with Albania and Ireland to enhance public awareness and develop sustainable autism programs. The organization aims to investigate causes, prevention, and treatments for autism spectrum disorders globally.
Dr. Jonathan Berg received the inaugural Richard King Trainee Award for his publication on microduplications in the 22q11.2 region. The award recognizes the utility of array CGH technology in identifying genomic imbalances and its impact on defining molecular etiology and clinical phenotypes.
A new study examines the role of killer cell immunoglobulin-like receptors (KIR) genotypes in hepatitis C virus recurrence after liver transplantation and finds that mismatched KIR-HLA-C ligands increase the risk of fibrosis progression.
Researchers at UCI found that blocking melanin-concentrating hormone (MCH) in the brain's pleasure center limits cocaine cravings. MCH works with dopamine to create an addictive response to cocaine use. By targeting MCH, new treatments may help break addiction to cocaine and possibly other drugs.
A study of 305 UK companies found that those operating in countries with poor human rights gave significantly more to charity, potentially to offset negative perceptions. The findings support the strategic role of corporate charitable giving in boosting international reputation.
A University at Buffalo study reveals that two oral pathogens, but the total number of germs, are associated with an increased risk of heart attack. The study found that patients harbored more periodontal bacteria than controls, and that an increase in the number of different species also elevated heart attack odds.
A study published in the Journal of the American Dietetic Association found that vegetarians, especially adolescents and young adults, are at a higher risk of binge eating and extreme weight-control behaviors. However, current vegetarians tend to eat healthier diets and have a lower risk of obesity.
A new study suggests that balancing two types of estrogen and a hormone in the placenta can signal labor. Researchers found that when estradiol (E2) and estriol (E3) are in balance, there is no drive to labor, but an imbalance leads to the onset of labor.
Researchers developed a test to detect early evidence of amblyopia in infants with hemangiomas of eyelids, which can lead to permanent reductions in vision. The 'sweep visual evoked potential vernier acuity' test identified abnormal brainwave responses in the eyes affected by hemangiomas.
A study published in the Journal of Nuclear Medicine found that myocardial perfusion testing with gated single photon emission computed tomography (gated SPECT) is a more accurate predictor of prognosis in chronic ischemic heart disease. Gated SPECT identified individuals at risk for future cardiac events, enabling early initiation of ...
Scientists investigate possible tectonic cycling of serpentized peridotites in the Mariana forearc, connect Saddle Mountain and Seattle faults, and improve fractured carbonate-reservoir characterization with remote sensing. Seismic reflection profiles also define Grenville-age rift system and foreland basins beneath Phanerozoic sediments.
Dr. Kathy M. Chun, Director of Cytogenetics and Molecular Genetics at North York General Hospital, is the recipient of the 2009 Signature Genomic Laboratories Travel Award. The award recognizes outstanding young researchers in medical genetics and covers travel costs to the ACMG meeting.
From 2001-2008, the annual number of Ph.D.s awarded to underrepresented minorities increased by 50% in natural sciences and engineering fields. The Alliances for Graduate Education and the Professoriate program has seen significant success in boosting minority participation in science-related studies.
Early diagnosis and treatment of achondroplasia's manifestations can produce better outcomes for patients later in life. This includes addressing stenosis of the foramen magnum and thoracolumbar kyphosis, which can cause developmental delays and spinal deformities.
Duke University researchers developed a light-based system to analyze tumor oxygen levels, helping oncologists choose effective treatments. The system uses diffuse reflectance spectroscopy and can provide immediate feedback during biopsies.
Researchers found that hemofiltration reduced ECMO duration by 30 hours and fluid balance per day, leading to significant cost savings. The treatment also decreased the need for blood transfusions.
Researchers used probiotics to protect animals from diseases such as mastitis and salmonellosis, demonstrating their potential to prevent and treat human diseases. The study identified specific bacterial species and mechanisms of action that could lead to the development of new treatments.
A new study funded by the Canadian Cancer Society has found that childhood cancer survivors, especially those diagnosed with brain tumours, experience poor educational achievement and learning difficulties. This is linked to late effects of treatment and can impact future educational performance and career prospects.
A study by University of Washington psychologists explores the effects of interacting with technological nature on human connections with nature. The researchers found that while technological nature can provide some benefits, it lacks the depth and social connections offered by natural interactions.
The study found a 95.4% patient satisfaction rate for LASIK procedures, confirming its status as a successful elective surgery. In contrast, patients who used combined inhaled and oral steroids were found to have an elevated risk of developing cataracts, particularly posterior subcapsular cataract.
A new test for invasive aspergillosis (IA) has been developed to detect the deadly fungal infection in patients with damaged or suppressed immune systems. The test uses a monoclonal antibody that binds to a glycoprotein antigen secreted by Aspergillus species, distinguishing it from similar molecules found in antibiotics and foodstuffs.
A novel injectable, OCR-002, directly reduces blood levels of ammonia, a toxic chemical building up during acute hepatic encephalopathy attacks. Clinical trials will begin in 2009 to develop the treatment for patients with advanced liver cirrhosis and acute liver failure.
Compassion fatigue is a syndrome experienced by healthcare providers caring for individuals facing dire consequences, leading to symptoms such as chronic tiredness, irritability, and lack of joy. The study highlights the need for better training and supportive work environments to prevent compassion fatigue.
A new study identifies a clinical prediction rule that can accurately predict patients most likely to benefit from measures to prevent recurrent C. difficile infection, which has become the leading known cause of hospital-acquired infectious diarrhea in developed countries.
A study published in SLEEP found that low-income patients with obstructive sleep apnea are less likely to start CPAP therapy, with odds of acceptance increasing by 140% for each increase in income level. Physicians can play a crucial role in improving CPAP adherence by providing education and support to patients and spouses.
Researchers found that naltrexone, an opiate receptor blocker, reduced the urges to steal and stealing behavior in individuals with kleptomania after eight weeks of treatment. The study suggests a potential link between kleptomania and substance addictions, highlighting the drug's efficacy in treating impulse control disorders.
Richard A. Ellis, a renowned STEM workforce researcher, has been recognized by IEEE-USA for his substantial and sustained contributions to improving understanding of science and engineering labor markets. His research focuses on STEM employment, enrollments, and degrees, as well as compensation and workforce trends.
Researchers at Wake Forest University School of Medicine discovered a protein called ferritin binds to HKa, promoting blood vessel formation that assists in tumor growth. The study suggests preventing the binding could block tumor growth, with implications for wound care.
Rutgers and Purdue universities will receive up to $30 million over six years to conduct research on information technologies for homeland security. The Rutgers team, led by DIMACS, will focus on data sciences, while Purdue's visualization sciences team will lead the other part of the center.
A UBC study has shown that different species of three-spine stickleback fish can significantly impact their aquatic ecosystems within 11 weeks. The researchers created mini-ecosystems in tanks with varying species and found substantial differences in dissolved organic carbon levels, affecting plant growth and sunlight penetration.
Researchers have found that underground water is a major sink for carbon dioxide in gas fields, storing it safely for millions of years. This breakthrough could improve the accuracy of computer models used for carbon capture and storage, a crucial approach to reducing atmospheric carbon dioxide levels.
A study found that chronic insomnia with short sleep duration is associated with a high risk of hypertension. Participants with severe short sleep duration had a 500% higher risk compared to those who slept more than six hours. The findings highlight the importance of diagnosis and treatment for people with insomnia.
The Genome Analysis Centre (TGAC) will analyse plant, animal, and microbial genomes to improve food security and combat exotic animal diseases. It will also develop new ways to kill superbugs and contribute to the UK's economic and social wellbeing.
A new NOAA report reveals widespread contamination of US coastal waters with Polybrominated Diphenyl Ethers (PBDEs), a common flame retardant used in commercial goods since the 1970s. Elevated levels were found near urban and industrial centers, posing health concerns to humans and aquatic life.