Researchers at Children's Hospital of Pittsburgh have identified interleukin 22 (IL-22) as a crucial factor in the immune response to bacterial pneumonia. The study, published in Nature Medicine, suggests that stimulating the Th17 arm of the immune system may lead to more efficient treatment and prevention of pneumonia.
Research published by the American Academy of Neurology found no difference between oxcarbazepine and placebo in reducing migraine attacks. The study suggests that other epilepsy drugs like topiramate and gabapentin may be more effective due to their ability to regulate GABA neurotransmitters.
A Saint Louis University study found that less than a quarter of physicians can accurately predict patients' six-month mortality from heart failure. The study highlights existing knowledge gaps and uncertainty among doctors about end-stage care options, including palliative measures and hospice referrals.
Researchers at Georgia Institute of Technology have developed a strategy to capture, store and recycle carbon from vehicles, enabling the creation of zero emission cars. The technology involves an onboard fuel processor that separates hydrogen from carbon, allowing for the production of clean energy.
Researchers at Dartmouth College have discovered that microRNAs played a crucial role in the emergence of vertebrates, with diverse regulatory mechanisms driving genome assembly. The study's findings suggest that these tiny molecules were responsible for the origin of unique organs such as the liver, pancreas, and brain.
A new study from the UC Davis M.I.N.D. Institute suggests that brain-directed antibodies during pregnancy may be a causal factor for some cases of autism. The research found that exposure to IgG antibodies in pregnant monkeys exhibited repetitive behaviors similar to those seen in children with autism.
Patients with primary progressive aphasia are more likely to have a history of learning disabilities, suggesting an underlying susceptibility to language network difficulties. The study highlights the potential for learning disabilities to be underestimated among affected individuals and their families.
The Operation Jupiter collaboration highlights the growing threat of fake pharmaceuticals, particularly in South-East Asia and Africa. Researchers found that counterfeit artesunate tablets contained no active ingredients or dangerously small amounts, contributing to malaria parasite resistance.
Researchers found that hostility and depression together elevate inflammatory proteins in the human body, increasing the risk for heart disease. The study examined associations with blood levels of two inflammatory proteins and found a stronger relationship between these negative emotions when considered simultaneously.
A new study by Memorial Sloan Kettering Cancer Center found that risk-reducing salpingo-oophorectomy (RRSO) is associated with a 72% breast cancer risk reduction in women with BRCA2 mutations, compared to 38% for BRCA1 mutation carriers. The surgery also reduced the risk of gynecologic cancer by 85% in women with a BRCA1 mutation.
As patients gain knowledge, they increasingly demand accurate information and higher expectations for their care. Doctors must balance scientific evidence with patient needs, while maintaining accountability for patient safety and care.
A new method to create all-copper connections between computer chips and external circuitry was developed by researchers at Georgia Tech. The technique uses electroless plating to form strong copper pillars that reduce signal loss and enable faster data transmission.
A Mayo Clinic analysis of autopsy results over two decades reveals a long-term decline in coronary disease has ended, with some data suggesting an upward trend. The study's findings are based on the examination of 515 Olmsted County residents who died between 1981 and 2004.
A new study has discovered a set of 15 proteins found in urine that can distinguish healthy individuals from those with coronary artery disease. The protein panel accurately identifies CAD 83% of the time, with high sensitivity and low false positives.
UCLA stem cell scientists have successfully reprogrammed human skin cells into embryonic stem cells without using embryos or eggs. This breakthrough uses genetic alteration to turn back the clock on human skin cells and create cells nearly identical to human embryonic stem cells, which can become every cell type in the human body.
Researchers at MCG are testing a handheld device that can transmit electrocardiograms wirelessly to cardiologists in rural areas, enabling faster diagnosis and treatment of heart attacks. The goal is to bridge the gap between medical expertise and geographical distance.
A new study found that 41 false statements appeared on 18 web pages (5.2%) and that websites with complementary or alternative medicine were 15.6 times more likely to have inaccuracies. The authors advise patients to be skeptical of online health information and consult a clinician before taking action.
A study found that healthcare providers play a significant role in patients' likelihood of being screened for colorectal cancer. Patient barriers such as concerns about payment and fears of detection also impact screening rates. Interventions targeting both providers and patients are necessary to boost screening rates.
A new study reveals that Avastin's side effects may be caused by the blockage of VEGF, which normally protects brain cells from fluid leakage. In mice, this blockage led to brain swelling and cell death.
A robotic probe called ENDURANCE will test its performance in cold, icy conditions on Lake Mendota, simulating the environment of Jupiter's moon Europa. The probe is designed to map underwater environments and collect data on biological conditions.
A collaborative team of researchers has identified somocystinamide A, a highly potent cancer-fighting compound isolated from cyanobacteria L. Majuscula, which inhibits neovascularization and tumor cell proliferation.
Scientists study fluid structures in moist sand using x-ray microtomography and find that the fluid and grains coexist in a filigree structure. This discovery explains the universal stiffness of wet granules, relevant to various industries such as pharmaceuticals and food production.
A study analyzed eyes of 2520 individuals, finding larger drusen and abnormal blood vessel growth more common in whites. Whites were also more likely to develop advanced AMD and geographic atrophy, with black individuals showing potential protection against AMD.
A collaborative study found that fake anti-malarial drugs, containing potentially toxic ingredients, were manufactured in China. The counterfeiters included dangerously small amounts of artesunate to fool screening tests, but these doses are too low to treat malaria effectively, encouraging the spread of resistant parasites.
A panel discussion at the AAAS Town Hall Event features University of Pennsylvania School Medicine researchers exploring interactions between culture, social, and environmental factors influencing child and parent behaviors related to obesity. Nutrition experts also present on setting nutrition standards in schools.
A new molecular signature predicts response to lenalidomide in patients with myelodysplastic syndrome without chromosome 5q deletions. Gene expression profiling identifies a defect in erythroid differentiation, providing potential treatment insights.
Researchers found that men with physically active jobs had a lower risk of developing prostate cancer compared to those with low-activity jobs. The study also revealed that increased physical activity was associated with reduced exposure to carcinogenic chemicals.
The MIT-developed thin-film coating can deliver precise, remote-controlled doses of drugs to specific targets in the body. The film is made from alternating layers of materials and can be activated by applying a small electric field.
A new study reveals that farmed salmon exposure leads to significant declines in wild salmon survival rates, threatening global salmonid populations. The research found a 50% reduction in wild salmon abundance when associated with salmon farms, highlighting the need for sustainable aquaculture practices.
Research finds link between temperature and insect feeding on leaves, boosting foraging of plant-eating insects. The study links past climate spike to increased insect damage.
A recent study found that a small proportion of individuals with hypertension eat diets aligned with government guidelines, while many others consume unhealthy patterns. The Dietary Approaches to Stop Hypertension (DASH) trial showed that a balanced diet high in fruits and vegetables can significantly lower blood pressure.
Decades-long decline in coronary artery disease may have ended and possibly reversed after 2000, according to a study. The analysis of autopsy data from Olmsted County residents suggests that declines in high-grade disease ended after 1995 and possibly reversed after 2000.
A recent study found that many interactions detected by ChIP-chip are functionally irrelevant. The researchers discovered a clear relationship between the number of factor molecules bound at a given site and its role in gene regulation, suggesting that DNA sites with low-level binding may play no role in regulating gene expression.
A study by Alysha Heimberg and colleagues found that microRNAs, previously considered 'junk DNA', are diverse in primitive vertebrates like sharks and lampreys, but less common in invertebrates. This discovery suggests that microRNAs played a crucial role in the evolution of complex organs unique to vertebrates.
A study by UC-Davis researchers found that antibodies in mothers of children with autism bind to fetal brain cells, potentially disrupting healthy development. The findings suggest a possible link between the maternal immune system and autism risk, paving the way for future research on prenatal identification and prevention.
A University of Alberta study recommends monitoring swine flu in workers on pig farms as part of pandemic preparedness due to potential adaptation into efficient human-to-human transmission. The strain was detected in several household members and pigs without direct contact with the child who initially contracted it.
The expedition's data indicates the foot of the continental slope off Alaska is over 100 nautical miles farther from the U.S. coast than previously thought, supporting U.S. claims to natural resources in the area. The findings also shed light on the geological history and bathymetry of the Arctic region.
Research suggests that high self-monitors are less committed and happy in their romantic relationships than low self-monitors. They may present a false image to avoid face-threatening interactions, leading to intimate partners being unaware of their true feelings.
Patients with refractory asthma experienced longer term improvement in pulmonary function, improved quality of life, and reduced rescue medication use after undergoing bronchial thermoplasty. The procedure resulted in a significant reduction in corticosteroid use, particularly among those who were able to wean off medication completely.
A recent study by the Hadassah-Hebrew University Medical Center found that only one out of 63 patients with complex fibroadenomas had a malignancy. The researchers concluded that these lesions can be treated similarly to simple fibroadenomas, allowing for non-surgical follow-up.
A new study reveals that well-meaning efforts to protect cougars in Washington State have actually increased dangers for the species. Biologists are now scrambling to find a science-based path to coexistence between people and predators.
Researchers have developed a new imaging method that uses glycosaminoglycan concentrations to diagnose osteoarthritis in its early stages. This non-invasive technique has the potential to monitor diseases like inter-vertebral disc degeneration and heart valve defects.
Researchers found that a delay in disabling conditions was crucial for centenarian survival, with male and female centenarians exhibiting different resilience levels. The study highlights the importance of understanding mechanisms for delaying disability to improve health outcomes and therapies.
A new study reveals that prion infection increases free cholesterol content in cell membranes, affecting phospholipase A2 activation and neuronal depletion. This finding suggests a crucial role for cholesterol regulation in prion diseases and other neurodegenerative disorders.
Researchers found 41 inaccurate statements on 18 websites, 5.2% of total analyzed web pages. Despite quality criteria, no combination could differentiate accurate from inaccurate content.
Researchers analyzed fossil leaves to understand the impact of climate change on insect populations, finding a correlation between temperature and herbivore damage. The study suggests that increased insect feeding will be a net effect of anthropogenic carbon dioxide increase and warming temperatures.
A new framework prioritizes stream restoration efforts to reduce nitrogen flowing downstream, combining innovative techniques with traditional measures. Small streams with high nitrogen loads are targeted for restoration approaches increasing in-stream carbon availability and contact between water and sediments.
Research finds that men who exercised regularly and had a healthy lifestyle were more likely to live to age 90. In contrast, those with smoking, obesity, or hypertension had reduced longevity. Additionally, centenarians with certain health conditions developed them at an older age tended to have better mental and physical function.
A study found that recipients of corneal transplants from donors who died in the hospital or had cancer were more likely to develop infections, including endophthalmitis. Donors' health status before death may affect their eye tissue, but excluding all hospitalized patients and those with cancer is not warranted.
Researchers at the University of Delaware have discovered a novel technique to repair the defective gene that causes spinal muscular atrophy (SMA). The technique has shown promising results in tests in mice and is poised for development by OrphageniX Inc. This could potentially alleviate symptoms and improve quality of life for patients.
Researchers at the University of Oregon have discovered a previously unknown mechanism for cleft palate, a common birth defect. By studying a genetic mutation in zebrafish, they found that microRNA Mirn140 regulates the expression of Pdgf, a growth factor involved in cell signaling.
Research on online dating site HOTorNOT.com reveals that people tend to date those who match their level of physical attractiveness. More attractive individuals prioritize physical attraction in potential dates, while less attractive individuals place greater emphasis on other qualities.
A new process developed by the University of Leeds can produce up to 97% pure titanium dioxide, reducing production costs and environmental impact. The innovative method uses less chlorine and recycles waste CO2 and heat, offering a sustainable alternative to current industrial processes.
A University of Georgia study found that even brief exposure to art makes consumers evaluate products more positively, due to the 'art infusion effect'. The study revealed that art can increase perceived luxury and sophistication in everyday items, making it a powerful marketing tool.
Researchers used digital imaging techniques to document Greenland's ice sheet dynamics and found significant changes in the glacier's geometry without visible calving events. The new data can impact climate projections and sea-level rise estimates, possibly doubling current projections.
Researchers found that topical application of alpha-linolenic acid significantly decreased clinical signs of dry eye syndrome in animal models. The study suggests a potential new treatment approach for this common condition, which affects millions of people worldwide.
A partnership between a professor and a librarian helps undergraduate students search for and validate online scientific literature. The tutorial teaches skills to sift through growing amounts of information, identifying valid peer-reviewed scientific research and experimentation.
Researchers at Whitehead Institute have modeled the complete process of nucleus ejection in mature red blood cells, revealing key proteins involved. The discovery sheds light on an essential step in mammalian evolution and may lead to insights into genetic disorders.
Researchers have identified a new cellular receptor, integrin alpha 4 beta 7, that plays a crucial role in the early stages of HIV infection. The receptor, which guides immune cells to the gut, is targeted by the virus's gp120 protein, facilitating its entry into host cells.
Researchers found that rats given artificial sweetener saccharin consumed more calories, gained weight, and did not compensate later. The study suggests that breaking the connection between sweetness and high-calorie food can confuse the body's ability to regulate intake.