A novel way to remove iron from ferritin has been discovered by scientists, which could lead to the development of new medications for patients with blood diseases. The study found that a small protein or heptapeptide can bind to ferritin and accelerate its iron removal rate.
A large dose of dexamethasone has been found to improve survival rates and reduce inflammation in rats with severe acute pancreatitis. The treatment also alleviated pancreatic tissue damage and induced apoptosis in acinar cells.
A study by UNC researchers concludes that people over 60 with high blood pressure are less likely to receive lifestyle modification advice from their doctors compared to younger groups. Despite this, most patients remember receiving some type of advice on making healthier choices to lower their blood pressure.
A study by Jason Dyck at the University of Alberta found that a protein responsible for transporting fat into heart cells may be a key to preventing age-related decline in heart function. Genetically modified mice with this protein deficiency showed no accumulated fat in their hearts and outperformed normal aged mice on a treadmill test.
A recent study reveals that coating diamond surfaces with heavier hydrogen isotopes can significantly reduce friction forces. The research, led by Argonne scientist Anirudha Sumant, used single-crystal diamond surfaces coated with layers of atomic or deuterium to investigate the effect on surface vibrations.
Researchers developed a hairpin-shaped molecule that imitates the spatial structure of an important viral protein, preventing the discharge of viral RNA from the cell nucleus. This breakthrough could lead to the development of a new class of HIV treatment drugs.
The study highlights key constraints affecting sweetpotato productivity in developing countries, including control of viruses, improvement of planting material, and development of high-yield cultivars. Small-scale farmers are expected to benefit from emerging technologies based on research, with potential impact within 5-10 years.
Three anesthesiologists and a medical ethicist discuss whether doctors should participate in state-ordered executions, citing technical problems with lethal injection. They argue that doctors can minimize suffering, but others propose replacing anesthesia-related drugs with alternative personnel.
A case report published in the World Journal of Gastroenterology presents a new technique for biliary drainage using endosonography (ES) guidance. The study shows that ESBD is a safe and effective method without pain or restriction, potentially replacing percutaneous transhepatic cholangio-drainage (PTCD).
Researchers discovered that peroxynitrite plays a critical role in developing morphine tolerance. Therapeutic manipulation of peroxynitrite can prevent its formation or decomposition to maintain the pain-relieving effect of morphine, reducing side effects and improving patient outcomes.
A five-year longitudinal observational cohort study found that anxiety is strongly associated with sleep disturbances. Those who experience severe life events are more likely to develop sleep disturbances, especially if they already have a predisposition to anxiety.
Severe US wildfires can release as much CO2 as the entire transportation sector of a state, posing challenges for emissions tracking. The study found that fires in Western and Southeastern states account for a disproportionate share of carbon emissions.
The Lancet report highlights Australia's poor indigenous health statistics, including a 17-year gap in life expectancy between indigenous and non-indigenous Australians. Improving access to quality care, prevention strategies, and increasing the number of indigenous health workers are key recommendations.
A review of international research into resuscitation found that slow codes, where healthcare professionals resuscitate patients too slowly, are still an issue. Researchers agree that all decisions relating to cardiac resuscitation should be made in accordance with up-to-date clinical guidelines.
A study published in the journal SLEEP found that children with Asperger syndrome (AS) have a high prevalence of sleep disorders, particularly those related to initiating sleep and sleep restlessness. The study also showed unique patterns of cyclic alternating pattern (CAP) activity in AS subjects.
A panel of experts proposes a definition of recovery as a voluntarily maintained lifestyle characterized by sobriety, personal health, and citizenship. The proposed definition includes classification of duration of sobriety and recognition of the importance of personal health and citizenship in achieving true recovery.
The UMass Chan Medical School Heat Shock Protein Consortium will investigate the causes of type 1 diabetes with dual grants from the Juvenile Diabetes Research Foundation (JDRF) and The Iacocca Foundation. The research aims to understand the role of cellular stress in autoimmune diabetes, with specific focus on endoplasmic reticulum st...
The new protocol allows scientists to identify cell-cycle stages and analyze cell growth in mixed populations. It has been used to characterize immune cells in human blood, providing insight into their activity patterns.
Researchers at the University of Texas M. D. Anderson Cancer Center and Rice University have successfully destroyed liver cancer tumors using radio waves that heat up carbon nanotubes embedded in them. While there were some side effects on healthy tissue, the study shows promise for a new therapy.
The new NIST mini-sensor is almost 1000 times more sensitive than the original chip-scale magnetometer and can detect magnetic fields in the range of 3-40 femtoteslas. The device has potential applications in non-invasive biomagnetic measurements, such as fetal heart monitoring and brain activity measurement.
Dexamethasone treatment disrupts sleep and causes profound fatigue in children with ALL, according to a new St. Jude study. The research suggests that altering timing or dosing of the drug could lessen these side effects and improve quality of life.
UMMS associate professor JeanMarie Houghton received a Presidential Early Career Award for Scientists and Engineers, recognizing her work on the link between gastric cancers and bone marrow-derived stem cells. Her research aims to understand the progression of events leading to cancer development and develop targeted treatments.
UK government's focus on cannabis reclassification may divert attention from more pressing health concerns. Experts argue that increasing penalties have limited impact on cannabis use and harm, highlighting the need for better public communication about the risks of substance abuse.
Researchers at the National Physical Laboratory are working towards a redefinition of the kilogram, which could shift from a physical object to a fundamental physical constant. The goal is to improve accuracy and consistency in measurements, but current results show a significant discrepancy with previous data.
A team of researchers crafted a working radio from a single carbon nanotube, performing four critical roles: antenna, tunable filter, amplifier, and demodulator. The tiny device could have applications in radio-controlled devices, cell phones, and other fields.
Researchers have found that a new estrogen-derived drug, 2-methoxyestradiol (meth-oxy-es-tra-di-ol), effectively targets breast cancer cells, prevents their spread to bone, and protects against osteolysis. This discovery has significant implications for the treatment of breast cancer.
Mayo Clinic researchers found that 2ME2 can effectively target breast cancer cells, prevent the spread of breast cancer to bone and protect bone from osteolysis. The study's findings suggest that 2ME2 could be a new therapy in treating advanced breast cancer.
Researchers in Norway analyzed TB cases between 1993 and 2005, finding little evidence of spread among native-born citizens. Instead, immigrants brought more strains, while native infections decreased, suggesting immigration does not significantly contribute to TB transmission.
Researchers found an antibody against placental growth factor (PlGF) blocks tumor growth and enhances chemotherapy effects in mice. The antibody has a better safety profile than VEGF inhibitors, which cause severe side effects.
Researchers at OHSU have identified the WNK kinase protein complex as a master switch that regulates blood pressure. The study reveals how this complex modulates salt and potassium balance in the kidney, raising or lowering blood pressure depending on its functioning.
A common medication used to stop preterm labor is associated with increased risk of brain damage and intestinal problems in premature infants. However, use of the medication has not been linked to other serious complications. Obstetricians are now advised to limit its use to cases where babies are at greatest risk.
Scientists at Washington University School of Medicine have identified an enzyme called MOF that is essential for tumor development and growth. By manipulating MOF in tumor cells, researchers hope to make them more sensitive to radiation therapy, which could lead to improved cancer treatment outcomes.
A team of researchers found that SENP1 regulates the entire hypoxic response and plays a role in other kinds of cancers. Inhibiting SENP1 might be one way to turn off tumor growth by cutting off a protein's ability to build new blood vessels.
Researchers at the University of Washington have created 3D models of landmarks using vacation photos from Flickr. The models were accurate enough to show individual figures carved into stone facades, with resolutions comparable to those obtained by laser scanners.
A study found that supervised exercise programs resulted in varying weight loss outcomes due to compensatory responses such as increased hunger and food intake. The research suggests that individual variability plays a crucial role in weight management, highlighting the need for tailored approaches to address differences in physiologic...
The NIH has awarded $15 million over the next five years to the UCSF-GIVI Center for AIDS Research, doubling its previous support. The center provides strategic services and infrastructure to HIV/AIDS researchers, focusing on translational research and collaborations across disciplines.
The Lancet seminar highlights the need for a collaborative approach to prevent SIDS, emphasizing the importance of campaigns like placing infants on their backs during sleep. Other risk factors include maternal smoking, soft bedding, and bed sharing, while room-sharing without bed-sharing has been shown to reduce SIDS risk.
The Russian economy is experiencing rapid growth driven by a thriving middle class, but this has led to widening income disparities and growing poverty. Forecasting growth or recession beyond 2011 is hazardous, as the country faces challenges in increasing energy production and exports.
A study published in Journal of Vascular Surgery found increased aortic arch calcium content and complex arch morphology are associated with higher risk of embolization during carotid artery stenting in patients over 75. This may lead to the use of alternative techniques to reduce risk.
Researchers found peroxynitrite plays a crucial role in opiate-induced antinociceptive tolerance in mice. Accumulation of tyrosine-nitrated proteins and oxidative DNA damage were associated with this process.
Green roofs offer multiple benefits, including reduced energy costs and controlled storm-water runoff. They also provide havens for local wildlife, making them an attractive alternative to traditional roofing options. Researchers argue that further research is needed to optimize green roof designs and plant species.
A new laser technique uses femtosecond pulses to selectively destroy viruses and bacteria, including those causing AIDS and hospital infections. The treatment is non-toxic to human cells, offering a promising solution for disinfection and disease treatment.
A team of researchers at Thomas Jefferson University discovered stem cells in the intervertebral discs of humans and animals, suggesting a potential new approach to treating degenerative disc disease. The discovery could lead to the use of adult stem cells to repair damaged discs and alleviate lower back and neck pain.
A new Nordic study reveals a correlation between mothers' body mass index (BMI) and symptoms like hyperactivity in their children. The research, based on over 12,500 children in Sweden, Finland, and Denmark, suggests that even moderate weight gain during pregnancy can increase the risk of ADHD-like symptoms in school-age children.
The American Academy of Sleep Medicine has released practice parameters for the evaluation and treatment of circadian rhythm sleep disorders. The guidelines recommend various treatments, including melatonin administration, timed light exposure, and actigraphy, to improve alertness and performance in night shift workers.
Experts from University of Pennsylvania and Johns Hopkins discuss strategies for successful HPV vaccination programs, including long-term safety assessments and patient education. The authors emphasize the importance of designing programs in developing countries to combat widespread cervical cancer cases.
A new study suggests that drug-eluting stents are not cost-effective for low-risk patients due to higher costs and lower quality-adjusted life years. However, the treatment is found to be beneficial in high-risk patients with small vessel or bypass-graft stenting.
Researchers developed a new mouse model to predict the loss of orally taken drugs due to metabolism by CYP3A, a key enzyme involved in first-pass metabolism. The study found that mice lacking functional CYP3A proteins accumulated docetaxol at higher levels, demonstrating the enzyme's role in intestinal metabolism.
The American Dietetic Association's November issue explores the effects of poverty on human development, highlighting barriers to accessing fruits and vegetables. Researchers found that low-income families face significant cost challenges in meeting daily recommended fruit and vegetable intake.
Researchers at UMass Medical School will study the role of heat shock proteins in type 1 diabetes using dual grants from JDRF and the Iacocca Foundation. The $300,000 funding supports innovative studies across various departments and disciplines to understand Hsp abnormalities that may lead to type 1 diabetes.
Researchers at Virginia Commonwealth University have identified sphingosine kinase 2 as a potential therapeutic target to enhance the effectiveness of chemotherapy. The enzyme plays a crucial role in mediating death in cancer cells through p53-independent mechanisms.
Researchers at Stanford University School of Medicine have identified a protein called menin as a key regulator of gestational diabetes. The study suggests that understanding the mechanisms of regulating menin could lead to new ways of growing islets for transplantation and new treatments for diabetes in pregnant women and obese adults.
Two studies found a significant increase in five- and ten-year survival rates for MM patients over the past decade, with younger patients showing the most dramatic improvement. Novel therapies have been credited with this trend, particularly among younger patients.
A PET scan significantly improves the accuracy of diagnosing Alzheimer's disease and frontotemporal dementia (FTD) by measuring brain sugar uptake. The study found that FDG-PET scans correctly diagnosed FTD and Alzheimer's in almost 90% of cases, increasing accuracy by 14%.
A team of researchers has discovered that colugos, also known as flying lemurs, are the closest living relatives to primates. This finding has significant implications for anthropology and genomics, providing a clearer understanding of primate evolution and potential fossil record placement.
A University of Minnesota study finds that Medicare lacks the necessary tools and incentives to implement evidence-based coverage policies, which are designed to improve medical quality and reduce costs. The research suggests that policymakers' assumptions about the impact of these policies on physician behavior are often incorrect.
A recent study published in Hepatology found that minority patients do not have worse outcomes after liver transplantation when treated at high-volume academic medical centers. The study, led by W. Ray Kim, analyzed data from over 2,800 adult patients and found no relationship between recipient race and survival.
Researchers found that a high-fat diet decreases regulatory T cells in the liver, leading to inflammation and increased susceptibility to liver injury. Switching to a normal diet reverses this effect.
Mice subjected to psychological stress are more susceptible to skin infections due to decreased expression of antimicrobial peptides by the epidermis. Inhibiting glucocorticoids may improve immune function in stressed individuals.
Kyle Cranmer, a Brookhaven Lab physicist, has received the Presidential Early Career Award for Scientists and Engineers for his work on the ATLAS experiment at CERN. He specializes in advanced data analysis and statistical techniques to discover new physics at the Large Hadron Collider.