Two independent microarray studies and a gene network analysis confirm that spontaneous genetic mutations underlie many autism cases. The research identifies an array of genetic variants linked to increased risk of developing an autism spectrum disorder.
Researchers have developed a genetically humanized mouse model for hepatitis C, enabling the testing of molecules that block the virus's entry into cells. The new model has the potential to serve as a critical role in prioritizing drug and vaccine candidates.
A new study found a significant decline in heart attack rates among London civil servants over 20 years, primarily due to improvements in cholesterol levels, blood pressure, and reduced smoking. However, the rise in body mass index (BMI) may reverse this trend in the future.
Researchers at Ames Laboratory discovered citrate plays a crucial role in the nanostructure of bones, providing stiffness and preventing crack propagation. Higher citrate concentrations result in thinner apatite nanocrystals, which are more resistant to brittleness.
The planet's soils face unprecedented threats from erosion and human activity, which can lead to loss of food production, carbon storage, and biodiversity. International research efforts aim to develop mathematical models to predict soil changes and design solutions to mitigate these impacts.
Researchers successfully imaged rod photoreceptors in the living human eye for the first time, revealing cellular structure with unprecedented detail. This breakthrough enables earlier diagnosis and treatment of degenerative eye disorders, potentially leading to more effective sight-saving interventions.
River flooding increases PBDEs in farm soils but not in milk from grazing cows. Milk consumption remains a potential source of human exposure to toxic chemicals.
A new study reveals that certain types of chronic pain may be caused by signals from the skin itself, rather than damage to nerves within the skin. Skin cells generate increased amounts of a lesser-known 'beta' isoform of CGRP, which may be sending pain signals to remaining sensory nerve fibers in the skin.
Research suggests that urban woodlands with moderate clearance (less than 50% of understory removal) support high bird diversity while still allowing for rambling opportunities. The findings have implications for forest management to balance ecological and social values.
Research suggests that the swine flu outbreak of winter 2009-2010 was more widespread than previously realized, with almost half of Scottish adults carrying antibodies to the virus. The study found that people from deprived areas were twice as likely to contract the virus.
Researchers found significant biodiversity loss in streams with less than 2% developed land, contrary to previous estimates. Chemical pollution is implied as a major contributor to the degradation of water quality.
A validated scale measures concern about cancer in healthy people and evaluates the effectiveness of genetic counseling. The 'Escala de Preocupación por el Cáncer' tool is a reliable instrument for healthcare professionals to identify patients with high levels of fear, alerting them to preventive testing.
Researchers found synaptophysin controls vesicle replacement, potentially leading to new treatments for learning deficits. The study may also help explain why people with synaptophysin mutations experience mental retardation.
Researchers at Einstein College of Medicine identified a key player in breast cancer spread, CCL2, which recruits immune cells to facilitate tumor growth. By blocking CCL2 signaling, they found potential for halting or slowing metastatic disease.
A team of astronomers led by Caltech has discovered a new type of supernovae that was previously unknown. The four newly found supernovae have similar spectral signatures, indicating they are all part of the same class. This discovery provides insight into star formation, distant galaxies, and the early universe.
A new study found that older adults who engage in regular moderate to intense exercise are 40% less likely to develop small brain lesions, also known as 'silent strokes'. This reduces the risk of falls, memory problems, dementia, and stroke. Exercise does not appear to have a similar benefit for those with limited access to healthcare.
Researchers say stem cell therapeutics may offer therapy through simple cell replacement procedures to restructure damaged organs and tissues. However, factors related to patient selection need careful consideration due to stage and severity of disease, prior therapies, and immunosuppression.
Researchers at University of Western Ontario discovered how biochemical pathways can be rewired in cancer cells to resist apoptosis, a key process in normal cell turnover. This 'rewiring' allows cancer cells to ignore death signals and potentially evade therapy.
A new study found that Walmart proposed more stores in pro-business states near the borders of less friendly states, even in the face of protests. This discovery provides evidence of how firms engage in regulatory arbitrage and make decisions about where to open stores.
A Finnish twin study suggests that adaptation of fat cell membranes to obesity may play a key role in early stages of inflammatory disorders. The study found that obese individuals have higher amounts of certain lipids in their adipose tissues, which may help preserve membrane function as cells expand.
A new combination of a breast cancer chemotherapy agent and an artificial antibody has been tested in clinical trials, showing promising results in targeting colon cancer cells. The treatment, which combines lapatinib with monoclonal antibodies, has the potential to provide hope for patients with treatment-resistant cancers.
Scientists at Virginia Commonwealth University have discovered a new class of 'superatoms' with magnetic characteristics, mimicking different elements of the periodic table. The discovery could lead to significant developments in molecular electronics and quantum computing.
A CU-Boulder study indicates that mountain pine beetle infestations could lead to earlier snowmelt and increased water yields. The research found that dead trees with red needles accumulated more snow than living stands, while those with gray phase trees melted faster due to reduced snow interception and increased solar radiation.
Kinsley French receives NSF Research Fellowship to study protein aggregates and HIV transmission. Her research aims to understand how aggregates form, laying the groundwork for developing a new therapeutic against HIV transmission.
Researchers at UCSD have discovered a novel signaling pathway and gene, Wnt16, essential for the formation of hematopoietic stem cells in vertebrate embryos. This breakthrough has significant implications for developing stem cell-based therapies for diseases such as leukemia.
A study by McGill University found that socio-economic status affects Canadians' health-related quality of life from a young age. The research analyzed data from 17,000 Canadians and found that poorer individuals start out less healthy than their wealthier counterparts and remain so over their lifetimes.
A new study reveals that jellyfish blooms drastically alter marine food webs by shunting food energy toward bacteria. This shift can lead to a detour of energy away from higher trophic levels and towards bacteria, altering the microbial community composition.
A new universal influenza vaccine candidate, VAX102, has safely produced an immune response in humans and could eliminate the need for annual flu vaccine updates. The vaccine targets a protein called M2e, found on the surface of the influenza A virus, which remains relatively unchanged over time.
A USC study shows that small, daily changes to a healthy lifestyle can significantly improve quality of life for seniors. The trial involved over 200 participants aged 60+, who made sustainable changes such as visiting museums or taking public transportation, resulting in lower rates of depression and improved overall well-being.
Researchers at Temple University discovered that a magnetic field can reduce blood viscosity by 20-30%, posing a potential new way to prevent heart attacks. By polarizing red blood cells and streamlining their movement, the magnetic field decreases friction against blood vessel walls.
Research by Kofi Vondolia finds that a tax on foreign fishing in Africa can regulate fishing, preserve stocks at sustainable levels, and steer more income towards the country. The proposed tax takes into account ecological and socio-economic factors, including fish migration and reproduction rates.
A new study by Teresa Pinto and colleagues reveals that teens with Type 2 diabetes exhibit early signs of diastolic dysfunction, a condition where the heart struggles to fill with blood between beats. The study found that these impaired hearts show reduced cardiac output during exercise, which may be reversible with physical activity.
A new study by researchers at Northern Illinois University found that family members' negative attitudes can hinder the recovery of mentally ill relatives. The study, which examined 129 mothers of adult children with schizophrenia, revealed that stigmatizing views can lead to increased symptoms and lower self-confidence.
Researchers at DOE's Pacific Northwest National Laboratory developed a new method to make sodium ion-based battery cells, which could lead to better, cheaper batteries for the electrical grid. The team found that treating manganese oxide with heat improved the electrical capacity and recharging lifetime of the batteries.
Researchers have found that insulin directly affects the brain's reward circuitry, leading to increased food intake and obesity in mice. This study suggests that insulin resistance may contribute to the difficulty in managing weight loss. Further research is needed to understand the clinical implications of these findings.
Researchers have discovered a potential treatment for muscle wasting disorders using a compound found in apple peel called ursolic acid. The study found that ursolic acid promoted muscle growth and reduced muscle atrophy in mice, while also lowering body fat, blood sugar levels, cholesterol, and triglycerides.
A multi-site study has shown that the new drug Cabozantinib is effective in treating prostate cancer that has spread to the bone, with three-quarters of patients experiencing partial or complete tumor shrinkage. Additionally, patients showed significant improvements in bone pain and reduced need for narcotic use.
Researchers found that ancient global warming, known as the Palaeocene–Eocene Thermal Maximum (PETM), saw slower rate of carbon emissions compared to current levels. The study suggests that humankind's carbon footprint may be accelerating modern climate change.
Researchers are using genomic research to identify new genes that give rise to osteosarcoma and develop personalized blood tests to monitor disease in patients. The goal is to improve treatment of this difficult disease through better diagnosis and monitoring.
Low-skilled migrant workers face significant health risks due to insecure employment, long working hours, and low pay. Governments must collaborate with unions and international organizations to implement fair labor standards, standardize policies, and provide support for undocumented workers to combat human trafficking.
A combination of two adjuvants induces CD8 killer T cells to join antibodies in response to influenza infection, potentially boosting vaccine effectiveness. The strategy has promise for a universal flu vaccine that wouldn't require annual reformulation.
Researchers identified a natural compound in apple peels as a promising new treatment for muscle wasting. Ursolic acid enhanced insulin signaling and corrected gene signatures linked to atrophy, promoting muscle growth and reducing blood levels of glucose and cholesterol.
A medium-sized solar flare, S1-class radiation storm, and spectacular coronal mass ejection were observed on June 7, 2011. The event was recorded by NASA's Solar Dynamics Observatory and Solar and Heliospheric Observatory, showing a large eruption of cool gas with temperatures less than 80,000 K.
A recent study by Brigham Young University and University of Pennsylvania researchers suggests that citizens from red states are more likely to be liberal on economic and social issues than previously thought. The study found common ground between voters in red and blue states, particularly on social policy.
A new study found that fetal exposure to BPA changes the development of the uterus in female primates. The research suggests that oral and subcutaneous forms of BPA can alter gene expression and affect uterine cell development.
A long-term study of 1,749 women found no link between taking the combined contraceptive pill and weight gain. Women who took the pill did not put on more weight than their peers who never took it, with ageing and smoking being the only factors affecting weight.
Tropical Depression 1E forms near Acapulco, Mexico, with maximum sustained winds of 30 mph and a minimum central pressure of 1006 millibars. TRMM data reveals hot towers reaching heights of up to 16 km, indicating intense energy within the storm.
A new study found that overweight men are at a significantly higher risk of developing cirrhosis of the liver compared to those who drink heavily. The research followed 855 men for up to 40 years and discovered that both excess weight and high levels of blood fats increased liver damage, while alcohol's link was not statistically proven.
New imaging tools and techniques are advancing our understanding of brain structure and function, particularly in relation to neurological disorders. These breakthroughs are contributing to insights into healthy brain development and adult life, as well as the complex networks that link brain activity.
A study found that people prefer therapists with well-organized, personalized, and comfortable offices. Offices rated as more orderly and soft were seen as having friendlier and more qualified therapists. However, gender stereotypes also played a role in the perception of office quality.
Scientists have discovered 'surfer' waves in the sun's corona, which could help explain why it's thousands of times hotter than expected. The waves were captured by NASA's Solar Dynamics Observatory and are thought to be caused by Kelvin-Helmholtz instabilities.
Researchers mapped anemia risk in preschool-age children in Burkina Faso, Ghana, and Mali using national cross-sectional surveys. The maps indicate the geographical risk profile of anemia, allowing for targeted control measures such as nutrient supplements and fortified foods.
Bursitis is a common cause of musculoskeletal pain affecting the hips, knees, heels, and elbows. The condition can be managed with simple nonsurgical techniques such as ice packs, compressive dressings, activity modification, and corticosteroid injections. Surgery may be required in cases where symptoms persist or infection is involved.
Researchers developed an artificial graphene device that simulates the quantum behavior of strongly interacting electrons. The device replicates the honeycomb lattice of graphene and enables exploration of fundamental quantum physics.
A groundbreaking study published in Journal of Abnormal Psychology suggests female military service-members are equally resilient to combat-related stress as men. The research, conducted by Boston University School of Medicine, analyzed the mental health of veterans returning from deployment to Afghanistan or Iraq.
Researchers have developed super-mini vehicles that can carry drugs and imaging agents into the body, revolutionizing medicine by improving drug solubility and bio-distribution. The devices use self-assembling nano-sized structures to cross membrane barriers and enable combination therapies.
UT Southwestern Medical Center researchers have found that blocking two specific RNA molecules can suppress abnormal blood vessel growth in degenerative eye disorders. This finding suggests a potential strategy to treat age-related macular degeneration, a leading cause of blindness among older people.
Researchers found that cash-based overcompensation leads to higher satisfaction ratings than industry-standard compensation or voucher-based overcompensation. Participants were most satisfied with a $400 cash bonus, but satisfaction levels did not increase linearly with the amount of cash provided.
A nursing expert emphasizes the importance of preventing maternal-child health disparities by recognizing signs of domestic violence in healthcare settings. Health care providers require training to effectively connect victims with resources and support services.
Researchers at University of Pennsylvania School of Medicine found that disrupting the circadian rhythms of fruit flies by feeding them at incorrect times led to reduced fertility. The study suggests a connection between diet and reproduction, highlighting the importance of timing in maintaining reproductive capacity.