Researchers discovered that VISTA induces immune suppressor cells called myeloid-derived suppressor cells (MDSCs) through a feedback loop involving STAT3 and polyamines. This pathway has high translational impact for several human cancers, offering promising drug targets.
The newly identified SARS-CoV-2 variant JN.1 exhibits increased transmissibility and immune evasion due to its distinct genetic mutations, posing a significant threat to public health. The variant has already surpassed other strains in several countries, including France and Spain.
A new study reveals that backtracking, a molecular event, occurs frequently throughout the genome and influences thousands of human genes. Persistent backtracking is linked to various biological processes, including cell division and tissue development.
Researchers developed a UV-sensitive tape that can transfer 2D materials like graphene with ease, reducing damage and increasing efficiency. The new technology allows for flexible plastics to be used in device substrates, expanding potential applications.
Classical computers outperform quantum ones in speed and accuracy thanks to a new algorithm that efficiently simulates tensor networks. The breakthrough could revolutionize computations by leveraging classical computing's strengths.
A new tumor spatial mapping tool will help clinicians assess the aggressiveness of cancer and personalize treatment. The tool maps the functional state of oncoproteins onto tumour images, allowing for more accurate diagnosis and informed treatment decisions.
A Yale-led research team suggests that large asteroids could have triggered 'Snowball Earth' events, where the planet's surface was covered in ice for thousands of years. The study found that asteroid strikes could have tipped Earth into a state with sea ice thickness of up to 10 meters, even if initial climate conditions were already ...
A recent study published in The Journal of Bone & Joint Surgery suggests that robotic-assisted surgery and surgical navigation techniques do not significantly increase the risk of periprosthetic joint infection (PJI) after total hip arthroplasty (THA). The researchers analyzed data from nearly 13,000 patients undergoing THA between 201...
Researchers have created the DEBBIES dataset to enhance understanding of cold-blooded animals' responses to novel environmental shifts. The dataset contains estimates of eight life history traits for 185 ectotherm species, allowing users to develop general predictions on animal responses using a few key characteristics.
A Boston University study of over 2,000 cisgender women found that COVID-19 can impair sexual function, with long COVID having a detrimental effect on arousal, lubrication, orgasm, and pain scores. Women with long COVID had markedly worse sexual well-being, highlighting the need for healthcare providers to address this taboo topic.
A temperature-sensitive prosthetic limb has been developed to improve amputee interactions and feelings of human connection. Researchers have created a device called MiniTouch that provides realistic and real-time thermal feedback, enabling amputees to discriminate between objects of different temperatures and materials.
Researchers at Duke University have discovered how stem cells decide their fate by analyzing the activity of two key regulators, short-root and scarecrow, in real-time using light sheet microscopy. This finding has implications for understanding cell development and preventing diseases such as cancer.
A study of 202,000 veterans found that outpatient healthcare use increased significantly in the month following COVID-19 infection before attenuating but remaining greater than uninfected cohorts through 12 months. This suggests ongoing effects of COVID-19 on healthcare utilization.
A new study found that reducing out-of-pocket costs for patients with diabetes can lead to improved health outcomes, particularly among those living in lower-income areas. The study showed a 10.2% decrease in preventable diabetes complications among PDL members from lower-income areas compared to the control group.
Children's Hospital Colorado is one of nine core sites nationally in the Pediatric Heart Network, a collective working to improve outcomes and quality of life for children with heart disease. The hospital's Heart Institute will conduct multisite research projects over the next seven years.
Research suggests that planetary migration is the key to explaining the mysterious gap in the size distribution of super-Earths. Simulations show that sub-Neptunes' evolution contributes to the observed radius valley, while rocky planets 'shrink' by losing their atmosphere.
Scientists at Shanghai Institute of Microsystem and Information Technology enhance the photon-number-resolving capability of single-photon detectors by widening superconducting strips. This results in better dynamic range and fidelity, enabling true-photon-number resolution up to 10.
Researchers found that bariatric surgery led to improved cognition and overall well-being two years after the procedure. The study revealed changes in blood vessel efficiency and cortical thickness of the temporal cortex, offering new treatment options for patients with obesity and dementia.
A study reveals that Rucaparib and its metabolite M324 have differentiated activities, with M324 reducing α-synuclein accumulation in neurons from Parkinson's patients. This synergy could lead to new opportunities for treating prostate cancer and potentially developing treatments for Parkinson's.
A population of Baird's beaked whales has been found in shallow water near the coast, deviating from the typical deep-sea habitat. The study suggests that social learning plays a role in their behavior, with individuals following peers to discover valuable resources.
A study published in The Journal of Urology reports that racial representation matters to Black patients seeking prostate cancer information online. This lack of representation can lead to mistrust and discourage screening among Black men, who have higher rates of prostate cancer compared to White or Hispanic men.
A study published in Nature Plants reveals that chromosome pairing plays a crucial role in regulating genetic material distribution in plants. Researchers found that the telomeres, specifically located at the ends of chromosomes, are the key players in controlling crossing-over activity, which ensures genetic diversity among offspring.
Researchers develop a new strategy to make CAR T cell therapy more effective and safer by targeting multiple surface proteins on malignant tumour cells. The approach shows promise in fighting cancer cells while sparing healthy B lymphocytes.
Researchers found that injecting a substance to block an artery and combining it with surgery significantly reduced the risk of repeat surgery for patients with subdural hematomas. The study, published at the American Stroke Association's International Stroke Conference, showed a nearly 3-fold reduction in re-operation rates.
A study published in The Lancet reveals that Black women in the US are murdered at rates 6 times higher than white women, with gun deaths also disproportionately affecting them. The findings highlight the urgent need to address structural racism and inequities in homicide trends.
Scientists have created a new molecular system based on manganese that can oxidize various organic substrates and emit NIR-II light after excitation. The complex has two different photoactive states, one of which is extremely oxidizing and exists only briefly, while the other is moderately oxidizing and longer-lived.
Earlier anticoagulation reversal is associated with improved outcomes after intracerebral hemorrhage, supporting efforts to accelerate evaluation and treatment. This study supports intensive care strategies to improve survival rates among patients with this devastating form of stroke.
A small, wearable ultrasound sticker can monitor organ stiffness and detect subtle changes that signal disease progression. The device has been shown to identify early signs of acute liver failure in rats and may one day help doctors diagnose internal organ failure more effectively.
A new stool test, multitargetFIT-test (mtFIT), detects cancer precursors more effectively than the current FIT test, predicting a reduction in new cases of colorectal cancer and mortality. The new test yields more true-positive results without an increase in 'false-positive' results.
Researchers identified blood proteomic markers associated with hepatocellular carcinoma (HCC) in patients with cirrhosis. The study found a set of biomarkers, including TGF-β driven mechanistic biomarkers and Myostatin and Pyruvate Kinase M2, which may stratify risk for HCC.
Researchers developed a device that allows amputees to sense and respond to temperature, improving dexterity and feelings of human connection. The 'MiniTouch' device enables active thermosensation during tasks requiring feedback between sensory and motor neurons.
Researchers have directly detected the feeble glow of cannibalized stars, revealing a key stage in the lives of close stellar pairs. The study identifies new orbits of stripped subdwarf stars around fast-spinning massive stars, shedding light on star formation and evolution.
A study led by Chinese astronomers identified a previously unknown source of cosmic dust in the universe: Type Ia supernovae interacting with gas from their surroundings. The researchers found that these events create significant amounts of dust, which could be a dominant source of dust in elliptical galaxies.
A Northwestern University study found epigenetic changes in Alzheimer's patients' blood that increase the risk of the disease. The researchers discovered altered immune genes and proteins in the blood that could be triggered by previous viral infections or environmental pollutants, potentially leading to brain damage.
The University of Missouri researchers are developing new technology to rapidly detect and mitigate salmonella and other foodborne pathogens throughout the entire poultry supply chain. The team aims to significantly reduce the risk of foodborne illness in people, with rapid results that can be produced in one hour or less.
Researchers propose a novel augmentation regimen, IPIAD, combining five generic non-oncology drugs with standard chemotherapy for pancreatic ductal adenocarcinoma. The IPIAD regimen uses repurposed drugs like irbesartan and azithromycin to potentially slow disease growth and improve outcomes.
The European Alliance of Associations for Rheumatology (EULAR) has introduced new guidelines for imaging in the diagnosis and management of crystal-induced arthropathies. The recommendations prioritize patient-centered care, emphasizing the importance of medical history, laboratory results, and physical examination alongside imaging fi...
A study found that crop diversification in the Cerrado biome leads to increased numbers of native mammals and a decrease in invasive species such as wild boars. Diversified crops helped control invasive species that cause damage to farmers.
A novel imaging technique, low-dose positron emission mammography (PEM), shows promise in transforming breast cancer detection by providing high sensitivity and low false positive rates. PEM could potentially decrease healthcare costs and reduce unnecessary procedures for patients with dense breasts.
Scientists have found polyene pigments in fossilized snail shells that are 12 million years old, providing the world's first evidence of intact pigments in fossils. The discovery was made possible by analyzing the pigments using Raman spectroscopy and sheds new light on the chemical composition of ancient organisms.
A new paper argues that LLMs can interpret and analyze neuroscientific data, unlocking new insights and potential treatments. Lead author Danilo Bzdok suggests that scientists may not always fully understand the mechanism behind biological processes discovered by LLMs.
A new depth from focus/defocus approach, DDFS, combines model-based and learning-based strategies to achieve notable improvements in performance and applicability. The proposed method outperformed state-of-the-art methods in various metrics for several image datasets.
Scientists are studying the replication mechanism of Zika virus and its ability to transmit from an infected mother to her unborn child. They aim to understand how the virus creates connections called tunneling nanotubes that allow it to replicate and infect cells.
A recent study found that people are more satisfied in relationships where they feel like they are being supported, rather than when they feel like they know their partner. By highlighting what you want to be known by a potential partner, you can increase your appeal on dating sites.
Researchers develop deep learning models to solve inverse problems in metamaterial design, considering durability and manufacturing limitations. The AI tool discovers novel materials with extreme properties, enabling new applications in orthopaedic implants, soft robots, and more.
A gene variant in Andean people is associated with reduced red blood cell count, enabling them to thrive at high altitude. The study aims to understand genetic differences underlying variation in oxygen saturation among COPD patients.
A team of scientists has identified two key human genetic factors that contribute to severe Lassa fever. The study, which involved 16 years of collaborative effort, found a set of LARGE1 variants linked to reduced Lassa fever risk and could lay the foundation for better treatments.
A machine-learning tool trained on brain MRI scans of over 2,000 people worldwide can accurately predict psychosis before it occurs. The tool achieved an accuracy rate of 85% in training and 73% in testing, suggesting its potential as a valuable aid for early diagnosis.
A new technique enables researchers to identify and control a greater number of atomic-scale defects in diamonds, which can be used to build larger systems of qubits for improved quantum sensing. This approach uses a specific protocol of microwave pulses to locate and extend control to additional defects.
A VUB research team has identified a specific protein, GPR176, that contributes to liver fibrosis. The discovery opens up possibilities for developing new drugs to treat this condition.
Researchers develop femtosecond laser-chemical hybrid processing technique to create substrate-independent superhydrophobic surfaces, offering great stability and wide application potential. The method enables the creation of water-repellent surfaces on metals, ceramics, and plastics.
A 5,900-year-old DNA analysis in Denmark found two nearly complete population turnovers, with the hunter-gatherer population being driven out by farmer populations. The researchers suggest that both violence and new pathogens likely contributed to the mass deaths.
Researchers have developed a new way to visualize the smallest protein clusters using CluMPS, a molecular tool that activates when target protein clusters are present. This technology promises to be a foundational advancement in detecting disease-causing protein clusters and understanding protein functioning.
A study found that people from ethnic minorities show clearer signs of depression and lower adaptability on average. The researchers also discovered correlations between area poverty levels and the proportion of ethnic minorities exhibiting these traits.
The Fannie and John Hertz Foundation has selected 45 finalists for the 2024 Hertz Fellowships, representing 21 universities. The finalists will advance to a culminating round of interviews for one of the most competitive doctoral fellowships in the nation.
Engineers at the University of Cincinnati have created a more efficient way to convert carbon dioxide into ethylene, producing a pivotal platform chemical globally. The process, using a modified copper catalyst, holds promise for one day producing ethylene through green energy instead of fossil fuels.
A novel PET imaging technique can detect active inflammation in the body before clinical symptoms arise, using a PET tracer that binds to proteins present on activated immune cells. This makes it easier for physicians to correctly diagnose and treat patients with rheumatoid arthritis.
Researchers at Penn State have created a new fusion of materials that exhibits chiral topological superconductivity, a property required for topological quantum computation. The combination of magnetic materials and iron chalcogenide could enable the development of robust quantum computers with unique properties.
New research reveals that solar radiation, atmospheric humidity, and ecosystem processes significantly affect the oxygen concentration over the Qinghai-Tibetan Plateau. Vegetation is found to have a substantial contribution rate of 16.7-24.5%, contradicting existing estimates.
A new study from the University of Cincinnati finds that being in prison is a significant driver of multidrug-resistant tuberculosis (MDR-TB) transmission. The researchers identified molecular resistance patterns and defined recent transmissions, highlighting the need for targeted interventions to control the MDR-TB epidemic in prisons.