Researchers developed a novel 3D cell imaging method using multifocal plane microscopy to track single molecules in live cells for extended periods. This technique overcomes previous limitations and enables the study of complex spatial-temporal dynamics of protein transport.
A census of white sharks in the northeast Pacific Ocean found a surprisingly low number of adults, estimated at 219. Researchers used photographs of individual shark fins to identify 131 unique individuals.
System 96P is developing tropically near Vanuatu, with strong convection and tropical cyclone warnings issued by the government. Infrared satellite imagery shows increased deep convection over a low-level circulation center, but wind shear may weaken the storm.
Researchers argue that IRBs often neglect reporting and methodological quality in preclinical experiments, leading to inadequate risk-benefit assessments. A proposed solution suggests considering evidence on risks and benefits of agents targeting related biological pathways.
A study from Rhode Island Hospital found a new test for Trichomonas vaginalis (TV) to be more accurate, detecting 100% true positives with no false positives. The test was found to be prevalent in women aged 36-45 and 51-60, indicating the need for routine screening for this common sexually transmitted infection.
A novel clinical trial is exploring a new method to potentially prevent recurrence of early stage, aggressive breast cancer. The study is recruiting patients with HER-2 neu+ breast cancer and aims to identify high-risk patients who may benefit from an additional cancer-targeting drug.
A new super-resolution microscopy technique reveals changes in protein concentration on human immune cells exposed to E.coli and Y.pestis toxins. This work provides insight into why some bacteria can evade the immune system.
The March of Dimes is investing $2.4 million in new funding for research on predicting and preventing preterm birth, a leading cause of infant death. Five scientists will study low doses of carbon monoxide, genes, blood tests to identify high-risk women, and fetal membrane weakening.
Researchers used DNA microarrays to analyze gene expression in livers from patients with biliary atresia and found a key regulator: RRAS. This gene plays a vital role in the pathogenesis of the disease, making it a potential prognostic biomarker.
Researchers at the University of Bristol discovered that domestic hens exhibit a clear physiological and behavioral response to mild chick distress, suggesting an empathic capacity. The study used both behavioral and physiological methods to measure these traits in birds.
Physiologist E. Paul Zehr uses Batman as a framework to discuss exercise and physical training, illustrating how the body responds to physical discipline. His approach connects science to popular culture, helping students understand physiology better.
A team of researchers has successfully programmed a robot to understand when it gains a human's attention and when it falls short. Using social cues, the robot achieves close to 80% accuracy in detecting whether someone is paying attention or ignoring it. The findings could pave the way for robots to engage with humans more effectively.
A five-year study found that traditional nursing care methods, such as compression bandages and support stockings, work just as well as ultrasound therapy in healing venous leg ulcers. Laughter may also play a role in improving blood flow and overall health for patients with these conditions.
A study by Ohio State University found that passive news reporting can lead readers to doubt their ability to find the truth in politics. The researchers suggest that journalists should resolve factual disputes to avoid misleading audiences.
Researchers discover that malaria parasite relies on host cell signaling pathways to proliferate. A class of cancer-fighting drugs targeting these pathways can effectively kill the parasite.
Researchers found that those primed to think of their own unethical nature subjected themselves to more pain, but experienced reduced feelings of guilt after the painful experience. Pain has been imbued with meaning as punishment, leading to its psychological effect of resolving guilt.
Women experience higher levels of psychological distress when contacted frequently by supervisors, coworkers, or clients about work-related matters. Guilt plays a significant role in distinguishing women's work-family experiences from men's.
Researchers used gas chromatography/mass spectrometry (GC/MS) technology to study urinary metabolite changes in mice with gastric cancer. The study identified low molecular weight biomarkers that may play a significant role in early diagnosis and screening of metastasis or recurrence.
Researchers at University of Maryland developed a genetic 'fingerprinting' tool to track down microbial suspects. By analyzing DNA sequences and identifying unique mutations, they helped the FBI link anthrax-laden letters to a specific test tube at Fort Detrick.
Research suggests that oxygen-depleted waters during the Neoproterozoic era, due to a global ice sheet, may have enabled the survival of early life forms. This harsh climate could have been a vital step in the evolution of animals.
Researchers at the Donald Danforth Plant Science Center developed a corn variety resistant to fungal infection using a naturally found killer protein made by a virus. The single gene approach offers hope for effective solutions to control other pathogenic fungi and reduce crop losses.
Researchers analyzed evolutionary history of poly(ADP-ribose)polymerase (PARP) superfamily in eukaryotes, finding ancestral proteins with diverse functions. The study suggests that the PARP superfamily is larger than previously documented and will grow as more eukaryotic genomes become available.
Researchers believe ADAM-12 gene could be important in fighting cancer, arthritis and cardiac hypertrophy. The gene's regulation pathway could lead to new treatment plans.
Scientists have developed an instrument called PING that can analyze thousands of potential interactions between viruses and human cells. This device detects molecular interactions at a sensitivity 100- to 1,000-time greater than current methods, making it a promising tool for finding new treatments for viral infections.
Modified-release sildenafil reduced the frequency of Raynaud's phenomenon in patients with limited cutaneous systemic sclerosis by 44%, according to a recent clinical trial. The treatment was well-tolerated, with only minor or moderate side effects reported.
A UNC study found a significant increase in oral tongue squamous cell carcinoma among young white females, with incidence rates rising by 111% between 1975 and 2007. The researchers suggest that the epidemiology of this cancer may be unique and not associated with human papillomavirus or tobacco/alcohol use.
A recent trial found the combination of rituximab, a TNF inhibitor, and methotrexate showed a consistent safety profile for rheumatoid arthritis patients. While no new safety concerns were identified, clear efficacy benefits were not observed in this study sample.
Researchers found that night-flying moths match the migration speeds of songbirds, traveling between 30-65 km/h. Moths use favorable tailwinds to aid their journeys, while birds take advantage of winds from various directions.
The Canadian government and Heart and Stroke Foundation have launched three new research initiatives to tackle obesity, focusing on neighbourhood design, physical activity, and access to healthy food options.
Researchers at Rush University Medical Center are testing a gene therapy product called CERE-120 to evaluate its effectiveness in reducing symptoms of Parkinson's disease. The treatment involves delivering the human gene for neuturin directly to degenerating dopamine neurons in the brain.
Experts Jonathan Kimmelman and Alex John London argue that researchers predict success of interventions too optimistically in early stages of drug development. They suggest looking at past experiences and minimizing biases to improve estimates.
Researchers at UC Davis have discovered a link between two major biological pathways involved in pain, which may pave the way for new treatments. The study found that inhibitors of the enzyme sEH can alleviate debilitating pain by targeting the messenger cAMP.
A study published in the World Journal of Gastroenterology found that daily magnesium oxide treatment significantly increases serum magnesium concentrations in children with functional constipation. However, the magnitude of the increase appears modest, and younger age may be a relative risk factor for hypermagnesemia.
A team from Vienna and Munich has developed a numerical solver to predict the design-limited damping of mechanical resonators, enabling the creation of more efficient devices. The solver uses quantum mechanics to calculate the radiation of phonons from the resonator, removing the need for trial and error prototype fabrication.
The ASGE has established guidelines for the use of real-time endoscopic assessment in managing diminutive colorectal polyps. The recommendations aim to minimize risk and delay while improving cost effectiveness of colonoscopy. Diminutive polyps are common, but pathological assessment can be costly and delay patient information.
A new model developed by Sheldon Jacobson predicts the most likely Final Four combinations based on seedings, rather than team performance. The model suggests that choosing a combination of two top-seeded teams, a No. 2 seed, and a No. 3 seed is the best bet for winning the office pool.
Researchers have identified a roundworm protein that can suppress systemic inflammation caused by sepsis, providing new potential treatment options. The protein, ES-62, triggers autophagy, a process that clears damage and promotes cell survival during stress situations.
A team of scientists at the University of Pennsylvania has engineered a lentiviral vector that expresses CD47, a protein found on all cells, on its surface. This allows the virus to avoid being detected by the immune system, potentially making it safer for gene therapy and drug delivery.
A team of researchers has made significant strides in understanding the life cycle of flaviviruses, including the dengue fever virus, which causes viral hemorrhagic fever and affects millions worldwide. The study provides new insights into the molecular details of viral replication and interactions with host cells.
Despite economic growth, childhood undernutrition rates in India have remained relatively stable, with stunting prevalence decreasing and wasting rates showing minimal change. Direct investments in health interventions are necessary to address this issue, according to a new study published in PLOS Medicine.
A new collaborative care program has been shown to significantly improve depression, anxiety, and emotional quality of life in heart disease patients. After six and twelve weeks, participants in the program reported improved symptoms and better adherence to healthy activities compared to those receiving usual care.
ChesapeakeView consolidates various datasets on land use, habitat changes, and biodiversity for research and planning purposes. The project makes these datasets available to the public via its website.
The Lupus Research Institute has awarded $3.6 million in grants to support cutting-edge research on the devastating disease. Investigators will explore how the immune system goes awry and develop novel approaches to correct manifestations that cause tissue and organ damage.
A new study suggests that grey matter volume in the cerebellum predicts cognitive ability, particularly in older adults. The study found a stronger relationship between brain volume in the cerebellum and general intelligence in men compared to women.
Researchers at Georgia Tech created an industrial-quality prototype system that automatically inspects buns exiting the oven, adjusts oven temperatures, and minimizes waste. The system uses digital cameras to capture images of buns and adjusts temperature in real-time to produce consistent color, size, shape, and seed coverage.
A University of Missouri chemist has discovered a method for manufacturing certain pharmaceutical drugs using pressurized carbon dioxide at room temperature. This new approach could streamline production processes and reduce the need for expensive and time-consuming methods currently used in the industry.
The U.S. Geological Survey has launched an updated version of its Butterflies and Moths of North America (BAMONA) website, featuring improved data collection and dissemination technologies. Verified sighting records are now immediately available on the site's home page, allowing for more efficient monitoring of pollinator populations.
A study of over 120,000 adults who were treated for trauma found that 16 percent died within 3 years of their injury, compared to an expected population mortality rate of 6 percent. Trauma patients discharged to skilled nursing facilities had a significantly increased risk of death.
A recent study found that only 2% of meta-analyses reported funding sources, while 62.5% of included RCTs had pharmaceutical industry funding. Author financial disclosures were also underreported. The lack of transparency may compromise readers' understanding and appraisal of the evidence.
Researchers found a delay in detecting CADASIL, a vascular brain disorder, and diagnosed it as multiple sclerosis in some patients. The study suggests that CADASIL often goes misdiagnosed due to similarities with MS in brain MRIs and symptoms.
Researchers at Concordia University have developed a novel technique for identifying anonymous email authors with high accuracy. By analyzing unique patterns in a suspect's emails, they can create a 'write-print' that is like a fingerprint, allowing investigators to determine the author's gender, nationality, and education level.
A study by the American Heart Association found that brief video training significantly improves hands-only CPR performance, with over 90% of trained participants attempting CPR in an emergency. The training also showed improved compression rates and depths compared to untrained individuals.
Researchers at Purdue University have developed a new manufacturing method that employs an ultrafast pulsing laser to create high-quality microchannels in thin-film solar cells. This technique could significantly increase the efficiency and reduce the cost of solar cells, enabling widespread adoption.
A new study in the Journal of Nutrition Education and Behavior found that online nutrition education courses can be effective, with students able to gain knowledge and achieve learning outcomes similar to face-to-face learners. However, the study also identified areas for improvement, including the need for more engaging and interactiv...
A new study at UCSF reveals that brain implant surgeries can dramatically improve life for people with severe cervical dystonia. The procedure targets a previously untested part of the brain, showing promise in reducing pain and spasms while improving quality of life.
Dr. Paul Tesar's research enhances understanding of pluriportent stem cells used to study debilitating diseases. His findings have potential to prevent or repair damage caused by disease, aging, and injury.
A survey of patients with epilepsy found that they ranked memory loss as their second-most important concern, while doctors ranked it 12th. Practitioners were more concerned about unexpected seizures, which was also the top concern for both groups.
New study reveals humpback whale wintering grounds extend throughout Hawaiian Islands and into NWHI, contradicting previous assumptions. The discovery provides insights into the species' migration patterns and geographic expansion.
A new evidence-based model of geriatric care management, GRACE, optimizes the health and functional status of community-dwelling lower-income older adults. GRACE improves health and quality of life, decreases emergency department visits and hospital admission rates.
Researchers at the University of Edinburgh have discovered a direct link between cholesterol levels and the immune system's response to viral infections. By lowering cholesterol, the body can starve viruses of the nutrients they need to grow, potentially enhancing the immune system's ability to fight off infections.
Researchers at the University of Colorado School of Medicine have discovered a drug that turns on a protective gene, protecting brain cells from degeneration. The drug, phenylbutyrate, has been shown to prevent the progression of Parkinson's disease in mice and is now being tested in humans.
A recent study by a team of investigators found that financial conflicts-of-interest are being hidden in published drug research through meta-analyses, which combine results from multiple individual trials. The study highlighted the lack of transparency in reporting funding sources and author-industry ties in these analyses.
A study of 90 animal thigh bones reveals how trabeculae lattice structure supports loads in different species, leading to potential development of new, lightweight materials. The research found that trabecular struts vary in geometry depending on animal size, and could be used to create stronger, lighter bodywork for vehicles.
Researchers found that graphene oxide's solubility is not as expected, with most oxygen content being loosely bound and easily removable by a wash with base. The study reveals that models for graphene oxide structure need revisiting, affecting synthesis and application of chemically modified graphene.
A University of Michigan study found that more people believe in 'climate change' than 'global warming', with a difference driven by partisan orientation and question wording. Overall, 74% believed climate change was real when referred to as such, while 68% did so when called global warming.
A new study by St. Michael's Hospital found that homeless patients cost an additional $2,559 per hospital stay compared to housed patients, after adjusting for age and illness severity. This excess cost is largely due to the severity of psychiatric illnesses among homeless individuals.
A study found that sleep deprivation leads to increased activity in brain regions assessing positive outcomes and decreased activity in those processing negative outcomes. As a result, sleep-deprived individuals are more likely to choose options with potential gains over those with potential losses.
Research from North Carolina State University found that closely contested games result in a significant increase in traffic fatalities, with nail-biter games being the most dangerous. The study, published in Journal of Consumer Research, suggests that competition-induced testosterone may play a role in this increased risk.
Wisdom, a Laysan albatross, is the oldest known US wild bird, returning to Midway at age 60 to raise her chick. She has likely raised over 30 chicks in her breeding life, demonstrating remarkable longevity and parenting skills.
Researchers found that left-handed individuals showed no asymmetry in hand preference, suggesting a possible explanation: hemispheric specialisation for speech and language. Right-handed participants had trouble with bimanual tasks when using their right hand, indicating a bias towards choosing the correct hand.
Research suggests that punishing boys for their negative emotions can lead to increased anxiety and behavior problems. Parents who punish toddlers for becoming angry or scared can hinder their child's ability to regulate and express emotions.
The SMArt platform and interface aim to promote innovation in health information technology by facilitating the development of medical applications that are scalable and substitutable. The $5,000 competition will drive competition, innovation, and increased efficiency in healthcare technology.
A new study finds that frequent work-related contact at home takes a greater toll on women, who feel guilty about dealing with work issues even when they don't interfere with their family lives. This guilt is linked to the emotional consequences of blurred boundaries between work and family life.
Researchers found that bursts of brain waves known as 'sleep spindles' may network between key brain regions to clear a path to learning. This networking helps shift fact-based memories from the hippocampus to the prefrontal cortex, freeing up storage space for new data.
A study found that colonoscopy has prevented a substantial number of deaths from colorectal cancer, but many more could have been prevented. The analysis estimated that approximately 13,800 to 22,000 colorectal cancer deaths could have been prevented in 2005.
A study by US Department of Agriculture scientists found that no-till production systems can significantly reduce soil erosion and enhance efforts to protect water quality. The research compared runoff, soil erosion, and crop yields in conventional and no-till winter wheat-fallow systems.
Researchers found that tumors with defects in DNA repair systems are less likely to recur post-surgery, reducing the need for chemotherapy. The study suggests testing for defective DNA mismatch repair and KRAS gene mutations to guide treatment strategies.
University of South Florida researchers have found that the blood-brain barrier is structurally and functionally damaged in mice with Sanfilippo syndrome type B. This damage may lead to destruction of the central nervous system equilibrium and accelerate neuropathological changes in the disease.
Researchers are conducting a pilot study to test image-guided neurothermal ablation, a new procedure using local radiofrequency energy to treat premature ejaculation. The treatment aims to provide an outpatient option for symptom control with limited side effects.
The Sea Grant programs have awarded over $1.1 million for six projects studying the effects of nitrogen, red tide, and climate change on Long Island Sound's ecosystem. Research results will provide valuable information to resource managers throughout the watershed.
A cohort study found that hepatitis B virus (HBV) infection decreases the percentage of metastases in colorectal cancer patients, while increasing extrahepatic metastases. This suggests HBV may serve as a prognostic factor for hepatic metastasis formation in CRC patients.
Research by the University of Warwick's Institute for Digital Healthcare and UCL Medical School finds that open-source software can provide higher security and quality through public disclosure and community review. This contradicts the common misconception that open-source software is inherently riskier due to its transparency.