Researchers isolated and characterized zebrafish neural crest cells that can differentiate into various cell types, including neurons and melanocytes. The study found that retinoic acid significantly inhibits proliferation but enhances migration in these cells.
Scientists at DESY's PETRA III research light source used nanodiffraction to study living cancer cells, showing clear differences in their internal structures compared to chemically fixed cells. The technique enabled the investigation of living cells in their natural environment using hard X-rays.
A study published in Cell Reports reveals how excess smooth muscle cells develop in arteries affected by pulmonary hypertension, a potentially fatal disease. The research provides new insights into the disease's progression and may lead to novel treatments targeting specific cell types.
Research shows that one-third of young adults who survive a stroke are unable to live independently or need assistance with daily activities 10 years after their stroke. The type of stroke and subsequent recurrent strokes can also impact functional outcomes, highlighting the need for effective interventions.
A CU-Boulder study reveals that palm oil wastewater is a significant source of heat-trapping methane in the atmosphere. Capturing this methane could provide a renewable energy solution, potentially meeting a quarter of Malaysia's electricity needs.
Researchers at the University of Pennsylvania have identified a potential new strategy to treat paroxysmal nocturnal hemoglobinuria, a rare and life-threatening blood disorder. By inhibiting the complement cascade, they hope to create a cost-effective treatment option that can prevent both hemolysis and immune cell recognition.
A team of French investigators discovered viruses containing antibiotic resistance genes in a fossilized fecal sample from 14th century Belgium. The findings suggest that the viral community plays a fundamental role in maintaining human health, unchanged over centuries.
Volume 16 of the Wakefield Court Rolls series edited by Dr John A. Hargreaves details proceedings from 1812 to 1813, showing how the textile industry continued to thrive despite Luddite attacks and economic hardship. The volume includes transcripts of wills, revealing new information on women's rights and property deals.
A recent IUPUI study found that dogs react best to actual explosives and not mimic compounds, challenging the use of products designed to replicate C-4's odor. The research team recommends training dogs with real explosives instead.
A CU-led study bolsters the theory that early Americans may have been isolated on the Bering Land Bridge for thousands of years before spreading throughout the Americas. The research links genetics to paleoecological evidence, suggesting a population of hundreds or thousands lived in central Beringia for 5,000 years or more.
James Watson suggests that type 2 diabetes is linked to a lack of biological oxidants, not an excess. Exercise promotes oxidation, which can help remedy this deficiency and benefit individuals with high blood sugar.
A new protein called Merm1 has been discovered to play a role in controlling cell growth and division in lung tissue. This finding could lead to the development of new drugs targeting lung cancer.
Research found that people with math anxiety struggle to comprehend messages about genetically modified foods, while those with high math skills and confidence can better understand. The study highlights the importance of improving math skills and building confidence in math abilities.
A new national interdisciplinary effort examines how biology and social factors interact within marriage to affect cardiovascular health. The study aims to identify risk factors for heart disease and elucidate the mechanisms underlying this relationship.
Researchers found that early but not advanced forms of atherosclerotic plaques in mice regress when 'bad' cholesterol is lowered. The study suggests that preventative cholesterol-lowering treatment could prevent more advanced plaque development and reduce the risk of stroke or heart attack.
Researchers at Queen's University Belfast have developed a method to predict the impacts of invasive species based on their behavior. By analyzing the rate at which an organism consumes resources, they found that 'damaging invaders' consistently have higher curves than native species, leading to population decline and extinction.
A large cohort study found that females diagnosed with autism spectrum disorder (ASD) and other neurodevelopmental disorders have a greater number of harmful genetic mutations than males. This suggests that the female brain requires more extreme genetic alterations to produce symptoms of ASD or neurodevelopmental disorders.
A new study published in Mayo Clinic Proceedings found that physicians' stethoscopes are more contaminated than the palms of their hands with bacteria such as MRSA. The researchers discovered that the stethoscope's diaphragm and tube were heavily contaminated, emphasizing the need for frequent disinfection after each use.
Researchers found that oxygenating cyanobacteria first colonized the oceans around 800 million years ago, providing enough bioavailable nitrogen to facilitate the next 'great leap forward' towards complex life. This pivotal moment in evolution may have been triggered by changes in nitrogen fixation in the open ocean.
An international study found that only 38% of children worldwide are aware of warning labels on cigarette packages, with graphic images having the greatest impact in Brazil. The study suggests that health warning labels should be large and clear, especially for low-literacy populations, to effectively communicate anti-smoking messages.
A single molecular switch governs production of protective mucus lining intestinal walls, which can be breached by failure of immune system, leading to diseases like inflammatory bowel disorders and metabolic conditions.
Researchers at Berkeley and Argonne National Labs developed a new class of bimetallic nanocatalysts, hollow polyhedral nanoframes of platinum and nickel, which feature a three-dimensional catalytic surface activity. These catalysts are significantly more efficient and far less expensive than the best platinum catalysts used in today's ...
Researchers discovered an unusual genetic mutation in patients with fibrolamellar hepatocellular carcinoma, a rare and aggressive form of liver cancer. The mutated gene, called a chimera, is constantly active and drives the growth of tumor cells.
Research reveals that female lizards' bright orange patches on their underbellies signal peak fertility to males, attracting them with showy behavior. Males also exhibit aggressive behavior towards pregnant females, which can be deterred by the females' display of bright orange color.
A study by Montreal researchers found a significant link between exposure to persistent organic pollutants (POPs) and certain metabolic complications of obesity. The study, published in the Journal of Clinical Endocrinology & Metabolism, suggests that metabolically healthy but obese individuals have lower circulating levels of POPs tha...
Coral reefs face declining health due to nutrient pollution. Scientists emphasize that too many nutrients can harm corals more than a lack of them. Understanding nutrient competition is crucial for developing effective management strategies.
Scientists suggest ancestors of Native Americans lived in shrub-tundra refugia on Bering land bridge for 10,000 years. The environment provided resources such as wood for construction and fires, allowing people to persist during the last glacial maximum.
Researchers at Karolinska Institutet have identified a biological circadian clock in the cochlea that controls how well hearing damage heals. The discovery may lead to new treatment methods for hearing loss affecting up to 15% of the population.
Researchers discovered that an RNA binding mechanism causes fragile X syndrome to occur when there are 200 or more CGG repeats in the gene. A drug that blocks this silencing mechanism can prevent fragile X syndrome, suggesting similar therapy is possible for other diseases.
A large-scale protein interaction network for Huntington's disease has been identified, providing valuable insights into the disease's pathology. The network implicates the RhoGTPase signaling pathway, which affects cell motility, membrane dynamics, and cell attachment, offering potential therapeutic targets.
Researchers find fractal distribution of physical characteristics at edge of chaos, deviating from previously reported bell-curve shape. This discovery could improve understanding of chaotic natural phenomena.
The Hartford Consensus aims to educate law enforcement on the importance of controlling hemorrhage in active shooter incidents. The initiative, led by the American College of Surgeons, provides training and equipment for police officers to respond to mass casualty events.
Researchers found that children with prediabetes and multiple islet autoantibodies had lower vitamin D levels, which increased during summer months. Vitamin D supplementation may be recommended at an early stage to prevent deficiency.
A Michigan State University study reveals that livestock, particularly horses, are devastating panda habitats by competing for food and resources. The research highlights the importance of addressing competition from livestock in sensitive ecosystems.
A new study by the USDA and WCS demonstrates a quarantine protocol that can qualify young bison as brucellosis-free in under three years, enabling their use to seed conservation herds without disease transmission. The study shows no evidence of brucellosis was found in either newborn calves or their mothers.
Sharks are tracked using instruments ingested by researchers gaining new awareness into their feeding habits and role in the ocean ecosystem. The 'shark's eye' view provides unprecedented understanding of shark behavior and movements.
Researchers found that SRT1720 supplementation significantly extended mouse lifespan by 8.8% while reducing body weight, improving muscle function, and lowering cholesterol levels. The study suggests a potentially promising strategy for improving human health and longevity.
Basic biological research on unusual animal adaptations has led to significant economic and social benefits, including the development of DNA replication techniques and gecko-inspired adhesives. The authors argue that studying 'odd' science ideas can drive innovation and improve education and health.
Researchers from the University of Surrey launch eSMART, a programme using mobile phone technology to remotely monitor patients undergoing chemotherapy for breast, bowel and blood cancers. The system assesses symptoms and triggers alerts to doctors or nurses within minutes.
Researchers have developed a low-cost, battery-free gesture recognition system called AllSee, which uses existing TV signals as both power and detection means. The technology enables seamless interaction with electronic devices hidden from sight using simple hand movements.
The study reveals that the mammalian cerebral cortex is organized into eight distinct subnetworks, which are relatively segregated and highly interconnected. These subnetworks facilitate motor behaviors such as eating and drinking, reaching and grabbing, locomotion and exploration of the environment.
The study found that teams play similar formations at home and away but with varying degrees of execution. Home teams tend to have more shots on goal due to players being in advanced positions. The researchers developed an automated method for detecting formations, which can be used to summarize game information in a visual form.
The International Journal of Surgery affiliated with the New York Surgical Society marks a growth in international reach and access to research. The affiliation aims to further the advancement of surgical science and foster collegiality among surgeons worldwide.
A protein in Drosophila controls the metamorphosis of dendrites, thin structures that receive electrical impulses. The discovery could help treat brain injuries by allowing neurons to regrow new dendrites and function better after injury.
Researchers discovered that Native American ancestors may have settled in a region between Siberia and Alaska, using woody plants for fires to survive the Arctic winter. This finding fills a 10,000-year gap in the story of peopling the New World.
A new UCSB study uncovers unique evolutionary adaptations in the primate brain, highlighting the crucial role of microRNAs in a portion of the brain called the outer subventricular zone (OSVZ). These findings suggest that microRNAs are responsible for controlling gene expression and regulating complex cellular processes.
A team at Harvard University developed a new method to pinpoint thousands of mRNA molecules within intact cells, revealing their sequence and function. This breakthrough could lead to earlier cancer diagnosis and better understanding of tissue development.
A new study by Rutgers researchers reveals that eliminating the eEF2K enzyme could strengthen healthy cells, making them resilient to cancer treatment. This breakthrough may lead to more powerful treatments with fewer debilitating side effects, paving the way for improved cancer therapies.
Researchers at the University of Missouri have developed a new method for anthrax detection that can identify anthrax in just five hours, compared to current tests which take 24-48 hours. The new method uses a bioluminescent reporter phage to detect anthrax bacteria and rule out false positives.
Researchers found that women who are obese at age 20 are twice as likely to develop MS later in life. Additionally, those who used hormonal contraceptives for at least three months were 35% more likely to develop MS compared to non-users, highlighting a potential contributing factor to the rise in MS cases among women.
A study published in Social Cognitive and Affective Neuroscience found that social exclusion activates the same brain circuits responsible for physical pain. The research used real people in videos to simulate social exclusion and physical pain, revealing activation of the posterior insular cortex in both conditions.
Researchers at Yale University have made a breakthrough in understanding the cellular mechanisms behind pulmonary hypertension, a life-threatening condition that affects millions. The study identified specific cells responsible for the disease's progression and suggests potential targets for therapy.
Researchers at CNIO have identified two novel treatments for psoriasis, one targeting S100A9 and the other inhibiting miR-21, which show promise in reducing side effects. These discoveries offer new hope for patients suffering from this chronic disease.
Researchers tested anti-HIV drugs for their ability to suppress cell-to-cell transmission of the virus. The results show that NNRTIs, ENT-Is, and PIs remained highly effective against HIV cell-to-cell transmission.
Researchers at Ohio State University found that inhibiting the enzyme PRMT5 can significantly improve survival in an animal model of GBM. High levels of PRMT5 are associated with aggressive growth and lower overall survival rates in brain cancer patients.
A new study by University of Rochester researcher Maya Sen finds that the American Bar Association systematically awards lower ratings to minorities and women than to white or male candidates. This has significant implications for representation in federal courts, with African Americans being 42 percentage points less likely to receive...
A team of researchers at the University of Wisconsin-Madison identified a new species of tapeworm in Mahal, an orangutan that died at age 5 due to a rare infection. The tapeworm, belonging to the Versteria genus, was found to be in its larval stage and infected nearly every organ in Mahal's body.
A new study by Dr Pierre Durand and colleagues found that programmed cell death in single-celled algae benefits the organism's relatives, releasing nutrients that inhibit growth of non-relatives.
A new study projects that Antarctica's Ross Sea will lose over half its summer sea ice by 2050 and nearly three-quarters by 2100. This change will significantly impact the region's pristine food web, affecting species such as whales, penguins, and seals.
A study by Mayo Clinic researchers found that patients who had troublesome teeth extracted before heart surgery were at a higher risk of poor outcomes, including death. The study suggested that physicians should evaluate each patient individually to weigh the benefits and risks of tooth extraction before cardiac surgery.
University of Houston scientists identify AMPK enzyme's role in prostate cancer progression and metabolic changes. Their findings suggest that targeting metabolic pathways could lead to more effective cancer treatments.
Researchers have found that daily exposure to very low concentrations of Bisphenol A (BPA) during pregnancy can cause fetal abnormalities in primates. The study, which used rhesus monkeys as a model, found significant adverse effects on mammary glands, ovaries, brain, uterus, lung, and heart tissues.
A team of researchers has discovered a novel, citrus-scented pheromone in the essence of male goats that acts on female brains to turn their reproductive systems on. The study, published in Current Biology, identifies 4-ethyloctanal as the key ingredient with this effect.
A study from the University of Southern Denmark reveals that nano-silver can lead to changes in human intestinal cells, causing an overproduction of free radicals and potentially contributing to diseases like cancer and Alzheimer's. The researchers emphasize caution against consuming dietary supplements containing nano-silver.
Researchers used Twitter 'big data' to track HIV incidence and drug-related behaviors, mapping where tweets originated and linking them with geographic distribution of HIV cases. The study suggests that monitoring tweets can predict sexual risk and drug use behaviors, potentially preventing outbreaks.
A recent study by Ohio State University economists found that household wealth in the US has not recovered from the recession, with middle-aged people taking the biggest hit. The study contradicts the Federal Reserve's optimistic report from last summer, which suggested that net worth had recovered since the recession.
A study published in PLOS Genetics identified specific small segments of RNA that are highly expressed in Huntington's disease and may act as a mitigating factor, making them potential therapeutic targets. The researchers found that these microRNAs are present in higher quantities in patients with HD and may promote cell survival.
A Google Glass app enables quick diagnosis of diseases such as HIV and prostate cancer using lateral flow immunochromatographic assays. The app transmits images to powerful computers for analysis, providing quantified results within seconds.
A new £1 million project will improve detection and control of liver fluke in UK dairy farms, causing weight loss, anaemia and lethargy. The research programme aims to develop sustainable drug treatments and practical farming techniques.
A study published in the Journal of the American Academy of Child and Adolescent Psychiatry found that 80% of youth responders to CBT and sertraline maintained positive treatment response over a 6-month follow-up period. The study also showed that combined therapy had greater benefits, with fewer youth failing to achieve responder status.
SourceElsevier·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateFeb 27, 2014
Neurons store glycogen as a rapid energy source, but excess leads to death. Conversely, small amounts are beneficial for cell survival during oxygen depletion.
Researchers at The Scripps Research Institute have mapped the severe immune overreaction known as a cytokine storm in flu virus infections. The study found that a potent new class of anti-inflammatory compounds can quiet this reaction, allowing infected hosts to mount an effective immune response.
The grant will help the Yangon Institute of Economics improve its teaching and outreach capabilities, while also strengthening entrepreneurial activities in rural areas. The project aims to increase institutional effectiveness and build current programs to support best standards and practices.
A team of researchers has identified genetic mutations causing uncontrolled cortisol production, leading to weight gain, muscle wasting and other symptoms. The discovery may lead to new diagnostic tools and treatment approaches for Cushing's syndrome, a heritable condition.
Researchers at the University of Adelaide have developed a web-based tool to examine the genetic interactions behind grapevine development. The 'VTCdb' database enables scientists to identify genes working together in networks, leading to better understanding of complex traits and improved wine production.
Researchers discovered that cancer cells hug capillaries and express specific proteins to survive in the brain. The tumor cells produce a protein acting like Velcro to attach themselves to blood vessels, allowing them to grow into new tumors.
A new study suggests that a high-calorie diet rich in carbohydrates and fat may help slow the progression of motor neuron disease (ALS). Patients who were mildly obese lived longer than those who lost weight as ALS progressed. The diets improved survival rates, with fewer adverse events and deaths from respiratory failure.
A new paper by an MIT political scientist suggests a way to assess the relative impact of several factors at once in politics, using conjoint analysis. The method allows for direct comparison of how voters weigh different candidate characteristics, providing insights into voter preferences.
Disney researchers found that teams with more defensive role swaps are more likely to make three-point shots. They analyzed tracking data from the 2012-13 NBA season and found a significant correlation between role swaps and shot success.
A phase 2 clinical trial found that patients with ALS receiving a high-calorie, high-carbohydrate tube-feeding formula lived longer and had fewer adverse events than those on a standard formula. This preliminary evidence suggests improved nutrition could extend survival in ALS patients.
Researchers developed a mouse whole-brain atlas that maps hundreds of neuronal pathways in the cerebral cortex, revealing a highly organized network consisting of eight subnetworks. This study provides an invaluable resource for researchers studying cortical networks and their role in regulating thoughts, emotions, and behaviors.
Research from Columbia University School of Nursing and WHO found that one in five US hospitals don't make hand sanitizer available everywhere needed, missing a critical opportunity to prevent health care-associated infections. Only half of facilities have set aside funds for hand hygiene training.
A recent study published in PeerJ challenges previous findings that suggested translation and protein turnover play a larger role in determining protein expression levels than transcription. The new analysis reveals that mRNA levels explain ~81% of the variance in protein levels, while transcription explains ~71%.
Researchers at the University of Eastern Finland developed a novel treatment using RNA molecules to target and enhance vascular endothelial growth factor gene (VEGF-A) production. This approach significantly reduced myocardial infarction size in mouse models, offering new hope for heart disease treatments.
Astronomers have found a new superpowered small black hole named MQ1 in galaxy M83, which is classed as a microquasar with jets that heat and sweep away surrounding gas. The discovery sheds light on early universe evolution and provides insight into the growth of quasars.
A simple change in urine culture reporting reduced unnecessary antibiotic prescriptions by 76% among hospitalized patients at low risk for UTIs. The study suggests that modifying how test results are reported to clinicians can improve prescribing practices and patient safety.
Researchers have developed a cancer vaccine that utilizes the immune system to target and destroy tumor cells producing a specific protein. The vaccine, which involves genetically modified tumor cells producing IL-15 and its receptor, shows promise in slowing tumor growth and increasing survival rates in animal models.
A new study by Debra Umberson and colleagues found that black men are more likely to experience adverse childhood experiences, leading to poor relationships and health outcomes in adulthood. The study suggests that policies targeting early childhood development may help reduce racial disparities in health.