Researchers found a significant decrease in macrophage activity at spinal cord injury sites in mice without spleens, indicating the spleen's role in promoting inflammation. Understanding how these cells function and manipulating their release could improve treatment options for spinal cord injuries.
Researchers created a nanoscale light sensor that can be combined with electronic circuitry to produce hybrid optic and electronic devices. The device can detect optical properties at the nanoscale and deliver this information in electronic form.
A brain scan can predict which children with anxiety disorder will respond to talk therapy, potentially avoiding psychiatric medication. The study found that children who show fear when looking at happy faces on a screen have the least success with cognitive behavioral therapy.
Patients on dialysis face a heightened risk of sudden cardiac death from cardiovascular disease, with mortality rates as high as 43%. Research is underway to understand the connection between renal disease and cardiovascular disease, with medicinal options and dialysate prescription modification being explored as prevention methods.
A University of Pennsylvania School of Medicine study reveals that chest compression rates are lower and pauses longer during nighttime in-hospital cardiac arrests compared to daytime efforts. This disparity may be attributed to factors such as fatigue, lower staffing levels, and lack of supervision from supervising physicians.
A fully defined culture system has been developed to grow human embryonic stem cells in the lab, reducing guesswork and increasing safety. The system uses a synthetic substrate and defined growth medium, allowing for up to three months of cell culture with minimal batch-to-batch variability.
As children develop, brain regions that make up the default-mode network start functioning together, leading to increased introspection and perspective-taking. This development coincides with emerging introspective mental activity during adolescence.
Researchers found that xanthelasmata, cholesterol deposits on eyelids, are an independent marker of underlying artery disease and predict a higher risk of heart attack, ischemic heart disease, and death. Additionally, women who slept for 10 hours or more had a 63% increased risk of stroke compared to those who slept seven hours per night.
Biophysicist Stuart Lindsay's new technique uses recognition molecules to grasp each base in turn, generating a distinct electronic signal that identifies each base. This allows for the reading of individual bases without interference from neighboring bases, including recognition of epigenetic modifications.
Researchers track how brains navigate and remember settings using video game-inspired technologies. Studies show that speed of exploration alters memories, while exercise in virtual environments improves stroke patients' arm function.
Researchers found that individuals with poor sleep quality had higher levels of inflammatory markers, including C-reactive protein, even after adjusting for known risk factors. Chronic lack of sleep may contribute to cardiovascular mortality, but the exact mechanism remains uncertain.
New human research suggests oxytocin influences feelings of well-being, sensitivity to advertising, trust, empathy, and reduces anxiety in stressed animals. Oxytocin is linked to happiness, resilient individuals are less likely to be depressed.
A study presented at the American Heart Association's Scientific Sessions found that light to moderate drinking among male coronary artery bypass patients was associated with 25% fewer subsequent cardiovascular procedures and death compared to non-drinkers. However, heavy drinkers were twice as likely to have subsequent cardiovascular ...
A study of nearly 50,000 people has identified DNA sequence variations associated with cardiac electrical activity, which may lead to novel approaches to prevent or treat serious rhythm disorders. The findings provide new clues about the biologic pathways that influence cardiac conduction and identify genes and genetic pathways involve...
A new report from Johns Hopkins Medicine finds that low levels of vitamin D increase the risk of stroke in white adults, but not in black adults. Despite higher rates of vitamin D deficiency in African Americans, they have a lower likelihood of severe strokes due to other factors such as hypertension and diabetes.
Studies show that prenatal drug exposure, maternal smoking, and early-life infections can alter brain development, increasing the risk of learning disabilities, behavioral problems, and mental disorders. The research highlights the importance of educating mothers on avoiding harmful substances during pregnancy.
A pioneering lighting system has been developed to combat hospital infections by decontaminating air and surfaces with a narrow spectrum of visible-light wavelengths. Clinical trials show significantly greater reductions in bacterial pathogens compared to cleaning and disinfection alone.
A study of 7,981 black and white adults found no link between fatal strokes and vitamin D deficiency among blacks. In contrast, whites with deficient vitamin D levels had a doubled risk of dying from a stroke compared to those with higher levels.
A gene-silencing pathway in fungi protects their genomes from unwanted genetic mutations during mating, which could be used to develop new treatments for fungal infections. The discovery of this pathway may also provide insights into the mechanisms of fungal disease.
Research reveals high-fat diets cause lasting brain changes impairing healthy eating. Food and drugs of abuse engage the same brain systems, highlighting potential treatments for obesity and addiction.
Researchers project a significant reduction in high blood pressure, heart disease, and stroke among adults if teenagers consume less salt each day. A study suggests that reducing sodium intake by 3 grams per day can decrease hypertension rates by 44-63% and coronary heart disease cases by 7-12%.
Researchers at Northwestern University have produced an atomic picture showing how RNase P recognizes and cleaves transfer RNA, revealing the versatility and complexity of RNA as a catalyst. The study supports the idea that RNA played a crucial role in the emergence of life.
A study of over 4,000 participants found that having a first-degree relative with atrial fibrillation increases the risk of developing AF. The risk is approximately 40% higher than those without familial AF.
Researchers found that cardiac arrest patients treated with therapeutic hypothermia may experience substantial neurological awakening, which can start as early as day three but becomes apparent at day seven. This challenges the current paradigm of withdrawing care based on a 72-hour neurological exam.
A study suggests that patients who received therapeutic hypothermia after cardiac arrest took longer to wake up and showed improved brain activity compared to those who did not receive the treatment. The results challenge current guidelines for withdrawing care from comatose patients.
Scientists have identified an ingredient in cilantro that can effectively remove the foul odor of chitlins. The compound (E,E)-2,4-Undecadienal was found to suppress the unpleasant smell at concentrations as low as 10 parts per billion.
Dr. Mortimer Mishkin, chief of NIMH's Section on Cognitive Neuroscience, is the first NIMH intramural scientist to receive the National Medal of Science for his pioneering work on brain processing and memory. His research has greatly advanced our understanding of how learning and memory are processed in the primate brain.
Researchers discovered a virus component, P19, that can introduce foreign genes into plants without harming them. This technology has potential applications in pharmaceutical development and biotechnology.
Arizona State University has received a $100 million grant from the Bill & Melinda Gates Foundation to develop long-acting insect repellents for malaria prevention. The project aims to create skin-bonding repellents that can provide continuous protection against mosquitoes for two to three weeks.
Yerkes researchers are presenting various studies on neuroscience topics including social bonding, addiction, neurodegenerative diseases and memory. Researchers like Larry Young, Leonard Howell and Yoland Smith are sharing their findings on oxytocin, stimulant addiction and cell death in neurodegenerative diseases.
Research suggests sleep apnea patients experience structural brain abnormalities in regions susceptible to hypoxemia, which may be partially or fully reversible with early detection and treatment. Cognitive challenges such as executive function impairments and daytime sleepiness are linked to specific brain areas affected by OSA.
Researchers at Northwestern Memorial HealthCare have successfully implanted two small Heartware VADs in a 44-year-old patient with severe myocarditis, marking the first time this biventricular approach has been used in the US. The device provides total heart support without removing the patient's natural heart.
A 44-year-old sailor received a groundbreaking treatment for severe myocarditis, which caused inflammation of his heart muscle and led to heart failure. He was implanted with two small ventricular assist devices, making him the first person in North America to receive this life-saving therapy.
Researchers at Harvard University have designed nanostructured materials that prevent ice formation by repelling water droplets. The breakthrough could lead to efficient and sustainable solutions for keeping surfaces ice-free during harsh winter weather.
Researchers found that taller people use less energy per stride when walking, making short people less economical walkers due to taking more steps. A new equation can now be used to calculate the energetic cost of walking based on these factors.
The microscopic observation drug susceptibility (MODS) test has been endorsed by WHO for use in resource-poor settings. The test delivers positive culture and drug resistance results within two weeks for less than $3 per test, improving TB diagnosis and treatment.
The 1510 influenza pandemic originated in Asia and spread quickly to Africa and Europe via trade routes. New scientific and public health advances have improved our ability to plan and prepare for seasonal and pandemic influenza.
A Penn-led study of over 18,000 patients with schizophrenia found no significant difference in nonsuicide mortality between ziprasidone and olanzapine, two second-generation anti-psychotics. The findings provide reassurance for clinicians prescribing these medications.
Researchers at the University of Zurich have identified a mutant gene that links powdery mildew resistance to plant fertility. Plants with this gene are resistant to powdery mildew but infertile, highlighting a crucial trade-off in plant defense mechanisms.
Addex Pharmaceuticals highlights the power of its allosteric modulation technology platform, presenting data on nine therapeutic programs across various receptor types and therapeutic areas. The company's technology is allowing it to bring a new kind of chemistry to industrial drug discovery efforts, improving productivity in pharmaceu...
A Virginia Tech expert will assess all aspects of visitor experiences in state parks to provide actionable recommendations. The study aims to improve park operations and services through data-driven decision making.
AFOSR-funded physicist Colonel Scott Dudley praised the discovery, noting graphene is stronger than steel yet flexible and stretchable, with wide-ranging applications in electronics and sensors. The research has led to significant breakthroughs and continues to push the field forward.
Researchers have identified a new genetic marker, DenMark, which sheds light on neuronal connectivity in Drosophila, providing valuable insights into brain development and diseases such as Alzheimer's and multiple sclerosis. The discovery paves the way for further studies using the fruit fly as a model organism.
Four leaders in biomedical and health informatics received the AMIA Signature Awards for their groundbreaking work in digitalizing health data and information. Adam Wright's research on clinical decision-support systems and data mining transformed patient care, while Judy Ozbolt's pioneering work in nursing informatics improved profess...
Researchers discovered key differences in how E. coli bacteria behave in humans compared to mice, identifying potential targets for a vaccine. The study's findings could lead to the development of a vaccine that saves billions in healthcare costs and millions of doctor visits annually.
Chris Wood, a professor at McMaster University and University of Miami, is recognized for his immense impact on the field as a scientist and mentor. He has attracted over 100 postdocs and grad students to his labs, with many now holding faculty positions worldwide.
The Aeras Global TB Vaccine Foundation has received an additional €11.7 million grant from the Netherlands Ministry of Foreign Affairs to develop new vaccines against tuberculosis.
Researchers at Rice University have developed gadonanotubes that can effectively track mesenchymal stem cells through magnetic resonance imaging, potentially improving disease diagnosis and treatment. The study found that GNTs are 40 times better than standard contrast agents in helping doctors spot signs of disease or damage.
A mathematical model developed by researchers at Massachusetts General Hospital and Harvard University can predict the risk of anemia in individuals. The model reflects how red blood cells change in size and hemoglobin content during their four-month lifespan, allowing for early detection of iron-deficiency anemia.
A new study suggests that parts of Peru and Bolivia will become a desert-like setting if temperatures rise more than 1.5 to 2 degrees Celsius above modern times. The change would be disastrous for the water supply and agricultural capacity of La Paz, affecting its two million inhabitants.
Joshua Kritzer's $1.5 million grant will fund rapid drug-screening process to identify new cancer treatments. Cyclic peptides, produced using baker's yeast, can bind with disease-causing proteins that are difficult to target.
Researchers deployed data loggers on leatherback females to study their diving patterns. The team found that the turtles dive at an average angle of 41deg and swim less hard as they descend. By varying the amount of air they inhale, leatherbacks regulate their buoyancy before diving.
Researchers discovered that a genetic error causing cystic fibrosis also affects the flow of sodium ions, preventing excessive mucus buildup. This finding has implications for developing better therapies for the disease.
A new study found that five avoidable causes, including birth asphyxia and pneumonia, account for nearly 1.5 million child deaths in India each year. The research suggests that improved delivery and postnatal care can reduce these deaths, with the introduction of vaccines and expanded neonatal care also shown to be effective.
The ESA GlobSnow project uses satellites to map snow cover and volume globally, especially in the northern hemisphere. This provides almost real-time data on snow cover and depth, aiding in flood forecasting and climate research.
Cell Press introduces Cell DNA, a free daily news aggregation service covering life sciences topics. Readers can subscribe to receive daily email digests with news summaries and comment on stories.
Dr. Don Detmer is recognized for his efforts to advance biomedical and health informatics through his work at AMIA. He emphasizes the importance of electronic health records in delivering high-quality care.
The NSF grant will support the design and construction of a portable spectrometer to work with a powerful new 36 tesla magnet. This will enable researchers to perform transformative science in an unexplored magnetic-field range for applications such as biological tissues and battery materials.
New research shows sleep consolidates memories and reorganizes emotional details to aid in creative idea production. Studies have found that a person tends to retain the most emotional part of a memory, leading to improved recall.
Researchers have isolated P450 compound I, a highly reactive chemical species involved in human metabolism of pharmaceuticals, enabling larger-scale studies to understand its chemical reactions. This breakthrough has significant implications for medicine and basic chemistry, driving research into specificity control.