A large-scale study has identified three new genes linked to the risk of Alzheimer's disease, shedding light on the mechanisms underlying the condition. The findings, published in Translational Psychiatry, are based on genetic data from over 300,000 people and could pave the way for new approaches to treating the disease.
The updated 'Hour-1 Bundle' introduces five critical steps for treating sepsis immediately upon recognition, including measuring lactate levels, performing blood cultures, and administering broad-spectrum antibiotics. This revised bundle aims to further reduce mortality rates among patients with sepsis by beginning treatment promptly.
The study identifies at least three major waves of human migration into Southeast Asia, shaping the genetics of the region to a remarkable extent. The research complements archaeological, historical and linguistic studies, illuminating another critical portion of the story of ancient population dynamics around the world.
A new report reveals that limiting warming to 1.5°C would avoid half the risks associated with warming of 2°C for plants and animals, and two-thirds of the risks for insects. Species in Southern Africa, the Amazon, Europe, and Australia would particularly benefit.
Researchers have discovered that the act of reading histone modifications leads to the modification of an oncoprotein called TRIM24 with a small protein tag called SUMO. This discovery suggests new ways to inhibit metastasis in cancer cells by targeting TRIM24's interactions with histones.
A new study reveals that ancient communities in South America, particularly the Southern Jê people, played a significant role in expanding the critically endangered Araucaria forests between 1,410 and 900 years ago. The forests, which date back to the time of dinosaurs, were initially established on grasslands and expanded into highlan...
Researchers have discovered that common garden cress can absorb and store vitamin B12, a crucial nutrient for vegetarians and vegans. The study provides a promising solution to address the global challenge of providing a nutrient-complete vegetarian diet.
Researchers find that a flat continental shelf off Mexico's coast efficiently traps edge waves, leading to unusually long-lasting tsunami waves. This phenomenon could pose a significant tsunami hazard in other regions with similar shelf shapes, such as the Pacific Northwest and northern Japan.
The rise in resistance to antifungal treatments mirrors the well-established threat of bacteria, which have become resistant to antibiotics. Fungal infections, including blights affecting food crops, yeast and mould-related infections in humans and livestock, can be fatal for those with underlying conditions.
Researchers discover new proteins involved in atrazine degradation, shedding light on bacterial evolution and adaptation. The study's findings have implications for developing targeted enzymes to contain nitrogen runoff and mitigate algal blooms and animal die-offs.
Researchers at UBC's Okanagan campus have developed a new method to measure phytocannabinoids, leading to faster, safer and more accurate information for producers and regulators. The new method can test for over 100 phytocannabinoid variants in under 7 minutes.
A new software tool called the automated bone scan index (aBSI) has been shown to be both accurate and speedy in calculating how extensively bones have been infiltrated by prostate cancer. The aBSI technology provided prognostic information about patient outcomes, including survival time and symptom progression.
Researchers at Baylor College of Medicine found that mosquito saliva alone can trigger long-lasting immune responses in humanized mice, including activation of T helper cells and diverse cytokine levels. The study offers insights into developing effective strategies to prevent mosquito-borne diseases.
A mass-drug administration program reduced scabies complications by 62% among Eritrean and Ethiopian asylum seekers. The program, implemented from January 2014 to March 2016, led to a significant decrease in scabies-related bacterial skin infections and rashes.
Researchers at Stockholm University have discovered correlated motion in water dynamics on a sub-100 femtosecond timescale, indicating a complex network of hydrogen bonds that play a role even on ultrafast timescales. The study reveals the coordinated dance of water molecules due to the formation of tetrahedral structures.
A new approach to injecting light into silicon microdisks enhances the performance of chip-based biosensors, leading to more sensitive detection of diseases. The end-fire injection technique offers improved robustness and reduced cost, paving the way for commercial applications.
Researchers at Indiana University have upgraded three powerful tools to study and combat online misinformation. Hoaxy and Botometer now detect the spread of false news on Twitter and identify automated accounts spreading propaganda, while Fakey is a web and mobile game that teaches news literacy.
Researchers have generated tools to understand the pig immune system's killer T cell responses to influenza, allowing for the design of more effective vaccines. The breakthrough research uses a unique line of pigs and can be applied to other important pig diseases such as foot-and-mouth disease and African swine fever.
Researchers studied species' characteristics to predict their relocation abilities, finding that some animals are unable to adapt to changing habitats. Climate change will impact 30 of the 62 mammal species in Europe, with many being at greater risk than previously thought.
Bats inhabit high altitudes, utilizing the troposphere as an important food source, but face threats from collisions with anthropogenic structures and light pollution. Conservation strategies, such as reducing wind power impacts and limiting artificial light emission, can help protect these habitats.
A phase II clinical trial suggests patients with aggressive pancreatic cancer who harbor BRCA mutations may benefit from rucaparib, a PARP inhibitor approved for ovarian cancer. The study found 32% of patients experienced a clinical benefit, including four patients with responses and two with stable disease.
Researchers have discovered a previously undiscovered hepadnavirus in an immunocompromised cat and found it in banked feline blood samples. The virus is similar to the human hepatitis B virus and has been linked to liver cancers in other species.
Depression in male partners is associated with reduced conception and live birth rates among infertile couples. Women taking non-SSRI antidepressants also experience higher early pregnancy loss rates.
A clinical trial involving over 4880 participants found that combining clopidogrel and aspirin reduces the risk of secondary stroke within 90 days. However, it also increases the risk of major bleeding, with most episodes being non-fatal and not brain-related.
Australian researchers have made a surprise discovery that many organs and tissues do not require apoptosis to develop normally, suggesting a link between abnormalities in cell death processes and common birth defects. The study also identified the pro-death protein BOK and its role in apoptosis.
Researchers at Cornell University have developed a self-assembling 3D battery architecture that enables lightning-fast charging times. The battery's innovative design eliminates energy storage losses and increases power density, making it potentially revolutionary for electronic devices.
A team led by CSHL Professor Douglas Fearon found that dormant cancer cells are already in the liver before surgery, expressing MHC1 and CK19 markers. In a post-operative stress-induced state, these cells re-express markers and begin to divide, forming seeds of metastatic lesions.
Researchers have developed a computer program that can comprehensively determine differences in individuals' blood types with over 99% accuracy. This breakthrough has the potential to prevent serious complications and fatalities from blood transfusion reactions.
A recent study warns of a global collapse in controlling fungal infections due to emerging resistance. The rapid evolution of resistant fungal strains poses significant threats to human health and food security worldwide.
Duke researchers have identified a key fork in the road for the way the liver deals with carbohydrates, fats, and protein. By targeting BCAA breakdown, they found that activating this process reduces fat deposition in the liver and improves glucose regulation. This approach offers a promising new target for combating fatty liver disease.
An inorganic semiconductor exhibits improved mechanical performance when kept in the dark, contrary to its brittleness under light exposure. The study found that zinc sulfide crystals display higher plasticity without fracture until a large strain of 45%, attributed to high dislocation mobility in complete darkness.
The US mental health system struggles to deliver behavioral healthcare to populations in need due to significant human resource issues. Research reveals substantial shortages of psychiatrists, psychologists, and other mental health professionals, particularly in rural areas.
A new study reveals that macrophages nurture mammary stem cells through chemical signaling, enabling the precursors of milk-producing cells to mature. The research found that Dll1 signaling is essential for maintaining a healthy mammary gland and may hold clues to preventing breast cancer.
A team of scientists has responded to criticisms on the feasibility of 100% renewable electricity systems, finding that technical solutions exist to address concerns about grid stability and variability. The study reveals that these solutions are affordable, especially given the decreasing costs of wind and solar power.
Researchers have developed a step-by-step method to design with freeform surfaces, eliminating much of the guesswork. This new approach enables designers to predict which freeform surfaces will work best for a given configuration, reducing trial and error and increasing efficiency.
Researchers discovered that microglia can defend against prion infections by trapping and destroying aggregated prion proteins. Eliminating microglia with a specific drug accelerated disease progression in infected mice. The findings suggest targeting microglia to slow the course of prion diseases, including Alzheimer's and Parkinson's.
Research links nucleolus to age-related pathways, finding that enlarged nucleoli correlate with shorter lifespans and reduced insulin signaling. A small nucleolus may extend lifespan by balancing cellular renewal and repair.
Researchers develop MOF, a hybrid material with porosity, enabling control over metallic nanostructures and their applications in catalysis and battery stabilization. The innovative methodology allows for precise control of material design, paving the way for diverse uses of these materials.
A large-scale study is proposed to test the efficacy of strategies for preventing pesticide resistance in critical weed and insect species. The authors recommend providing resources for landscape-level studies and incentives for farmers to participate, highlighting the need for a multi-faceted approach to addressing this pressing issue.
A recent Baycrest study suggests that learning music or speaking another language trains the brain to be more efficient. Researchers found that musicians and bilinguals utilized fewer brain resources when completing a working memory task, with less brain activity compared to monolingual individuals.
Researchers found that combining erectile dysfunction drugs with the flu vaccine can reduce cancer spread by over 90% in a mouse model. The treatment works by blocking immune cells that suppress the immune system after surgery, allowing natural killer cells to fight cancer more effectively.
Recent studies suggest tRNAs and tRNA fragments are involved in cellular processes associated with diseases such as cancer, viral infections, and neurodegenerative disorders. Dr. Todd Lowe's lab is characterizing all 500 human tRNA genes to determine their roles in the cell.
Dr. Catherine Frieman's excavation uncovers intact 4,000-year-old cremation and evidence of unaccountable medieval activity on the same site. The team found a large mound over the burial that existed from prehistory to the middle ages, protecting the center of the barrow.
By 2100, a 2°C limit could see insect species lose over half their ranges double, while a 1.5°C target halves this number, highlighting the importance of ambitious climate targets for biodiversity conservation
A new study identifies a brain abnormality associated with a person's general risk for mental illness, found in participants with higher mental health liability. The study suggests a single risk factor may predict development of any form of psychiatric disorder.
Tropical Cyclone 01A quickly formed in the northern Indian Ocean and strengthened into a tropical storm. The joint typhoon warning center noted maximum sustained winds near 46 miles per hour on May 16, indicating a potential for heavy rainfall.
A global temperature increase of 2°C would double risks for plants, animals, and insects, leading to widespread biodiversity loss. If left unchecked, warming could trigger systemic ecological simplification, threatening ecosystem services crucial for human well-being.
A systematic meta-analysis of New Zealand children and youth found associations between connected streets, lower residential density, and shorter distances to school. The study suggests that planning decisions for school locations and infrastructure improvements can contribute to increased active travel rates.
Researchers at UCSD designed a two-dimensional protein crystal that can toggle between states of varying porosity and density. The material's structural dynamics were simulated using all-atom molecular dynamics, revealing new insights into the emergence of complex properties in biomolecules. Control over the opening and closing of pore...
Researchers found that probiotics can decrease the mortality rate of nosemosis in bees by up to 40% and are as effective as commercial probiotics. The study suggests using beneficial bacteria from healthy bee microbiota to combat this disease.
Leaders from Penn's Perelman School of Medicine call for new training approaches for 21st-century doctors, emphasizing business, finance, and leadership development. The authors suggest focusing on talent mining, targeted leadership development, and deliberate onboarding processes to create a new wave of physician leaders.
Researchers found that veterans tend to disclose wartime information on a strict need-to-know basis, and understanding these privacy rules can help therapists develop new techniques. Counseling strategies can be improved by emphasizing non-judgmental spaces and maintaining trust with clients.
Scientists have discovered a new compound, metarrestin, that significantly reduces metastasis in human prostate, breast and pancreatic cancer in mice. The compound was found to blow up the complex marker PNC, which indicates cancer cells' ability to spread.
A study published in The BMJ found that a moderate to high intensity exercise program improved physical fitness in individuals with mild to moderate dementia. However, the program did not slow cognitive decline or improve daily activities. Researchers suggest exploring other forms of exercise and considering potential negative effects ...
A new study using satellite observations reveals that Earth's wet areas are getting wetter while dry areas are getting drier. Human water management practices, human-caused climate change, and natural climate cycles contribute to this pattern.
Researchers identified metarrestin as a compound that stops tumor metastasis in animal models. The compound effectively blocks the spread of pancreatic and other cancers, with mice treated with metarrestin having fewer tumors and living longer.
A recent study found that 12.1% of end-of-life admissions received non-beneficial treatment, costing the public $153.1 million annually. The new collaboration aims to reduce such treatments and improve end-of-life care.
Researchers found that ZFC3H1 helps retain exosome targets in the nucleus, preventing their export to the cytoplasm. This new mechanism involves polyadenylated RNAs accumulating in distinct nuclear foci.
Researchers from Rice University found that garnet steals the most iron from continents, contradicting 40-plus years of geophysical thinking. This discovery has weighty implications for understanding Earth's atmosphere and potentially Mars' rusty landscape.
Research in South Africa's Kruger National Park has shown that climate change is destroying sensitive and valuable riverine habitats due to extreme floods. The study found that cyclone-driven floods removed almost 1.25 million tonnes of sediment from the river bed, leading to patches of mature riparian forest being destroyed.