A recent study published in Nature Communications reports finding Poly-Chlorinated Biphenyls (PCBs) at the bottom of the Atacama Trench in the Pacific Ocean. The discovery highlights the persistence of PCBs, a toxic substance banned globally since the 1970s, in deep-sea environments.
A study published in Brain found that disconnecting nerve pathways in the brain can lead to improved seizure freedom in patients with frontal lobe epilepsy. The research, involving 47 patients, revealed that cutting these connections resulted in 88% of patients being seizure-free after three years.
A new CLEM approach uses small gold nanoparticles as single probes visible in both LM and EM with high contrast and photostability. This method detects individual nanoparticles with nanometric precision, enabling accurate correlative microscopy workflows without the need for unstable fluorophores or additional fiducial markers.
A region-wide study of over 50,000 patients with atrial fibrillation found that statin users had a significantly lower risk of stroke and transient ischemic attack compared to non-users. Long-term statin use was associated with greater protection against stroke than short-term use.
A new study found that long COVID's impact on public health systems is likely due to the volume of those infected with SARS-CoV-2, rather than the severity of symptoms. In a highly vaccinated population, adults with Omicron had similar ongoing symptoms and functional limitations as those with influenza.
New research shows that COVID-19 vaccines have directly saved at least 1,004,927 lives across Europe between December 2020 and March 2023. The majority of these lives were saved in people aged 60 years and older, with the first booster accounting for almost two-thirds of lives saved.
A new vaccine type, mRNA-4157/V940, added to immunotherapy significantly reduced melanoma recurrence and death rates. The combination was found to be effective in 22.4% of patients compared to 40% without the vaccine.
Dr. Erik K. Paulson, MD, chair of Duke University's radiology department, has been elected as the 123rd President of ARRS for a one-year term starting April 2023. He succeeds Gary J. Whitman, who served from 2022 to 2023.
Researchers found that high-dose VE303 prevented recurrent C. difficile infection compared to placebo, suggesting a potential new treatment approach. A larger phase 3 study is needed to confirm these findings.
Denmark has seen a significant surge in strep A infections, particularly among the elderly, since late 2022. The new M1 subvariant is responsible for 30% of cases and may be contributing to the outbreak's severity.
Researchers at Shinshu University developed a microfluidic device using acoustic focusing to collect microplastics from water. The device achieved a 105-fold enrichment of MPs, making it an efficient solution for removing microplastics from laundry and industrial wastewater.
Researchers found that remnants of ancient retroviruses in the human genome can be targeted by antibodies to improve lung cancer treatment. The study suggests that boosting antibody responses could help predict patient response to immunotherapy and lead to improved outcomes.
The European Society of Cardiology has published a detailed guidance on the natural pacemaker method, which mimics the heart's normal function. This method can benefit approximately half of the 1.4 million patients who will receive a pacemaker in 2023, particularly those with atrioventricular block or left bundle branch block.
Infections caused by Group A Streptococcus (GAS) decreased by 80% as COVID-19 lockdown took effect and remained low until March 2022, when they increased 18% a month to surpass pre-COVID levels.
A major UK study has discovered that disturbed sleep patterns in patients hospitalised with COVID-19 were likely a driver of breathlessness. The study found that 62% of participants experienced sleep disruption, which persisted for at least 12 months and was associated with anxiety and muscle weakness.
The highest incidence of invasive Group A Streptococcus (GAS) disease has shifted from the most deprived groups to the second most affluent group in the UK, according to new research. The emm1 strain, which causes severe disease, was more common in 2022 than previous years.
Researchers identified protective drugs that shield two abundant gut bacterial species without compromising antibiotic effectiveness against disease-causing bacteria. The study found a novel combination of antibiotics with antidote drugs, such as dicumarol and tolfenamic acid, which protected the gut microbiome and maintained antibioti...
A study of matched counties found that those reopening with in-person instruction experienced higher COVID-19 case incidence six and eight weeks later. County-level COVID-19 incidence increased at these time points compared to virtual instructional models.
Researchers found that individuals within two Xiongnu elite cemeteries exhibited extremely high genetic diversity, confirming the empire as a multiethnic entity. High status individuals showed lower genetic diversity, while those of lower status had higher heterogeneity, suggesting a diverse origin pool.
Researchers have identified hundreds of genes with significant stroke-driven changes and likely relevance in human strokes. The study found alterations in sphingolipid production, which are involved in regulating blood vessels, and pinpointed several molecular pathways that can be targeted for stroke treatment.
EACVI 2023 is a patient-focused, multimodality imaging event that showcases the latest advancements in echocardiography, CMR, nuclear cardiology, and cardiac CT. The congress highlights novel treatments for long COVID, new technologies such as robotic imaging, fusion imaging, and AI.
A new study from Boston Medical Center found that offering medications for opioid addiction in jails leads to a significant decrease in overdose deaths. Treating opioid addiction during incarceration is also cost-effective and saves lives.
The American College of Medical Genetics and Genomics (ACMG) has published a statement addressing factors that contribute to bias in clinical genetic testing. The statement highlights three main areas: environmental, clinical, and technical biases, which affect health equity for individuals from historically marginalized populations.
Researchers at Tohoku University developed a method for creating molecular robots using artificial multicellular-like bodies made of phospholipids and synthetic surfactants. The technique allows for the assembly of micron-sized compartments that can combine to form heterogeneous structures with multiple functionalities.
A novel robotic bronchoscope system is developed to diagnose and biopsy pulmonary lesions, enabling early detection of lung cancer. The system features a flexible end effector and navigation system for accurate positioning and visualization.
Tumors with low PD-L1 levels use genetic strategies like MYC activation to avoid immune attack, but this can be predicted by monitoring for MYC status. The study's findings could lead to new clinical trials assessing MYC status as a marker for selecting patients for immunotherapy.
A study of 1,618 US counties found that greater representation of Black primary care physicians is associated with improved survival-related outcomes for Black individuals. The findings suggest investments to build a more representative PCP workforce nationally may improve population health and reduce disparities.
Researchers developed a novel approach that promotes bone regeneration in mice without implantation of bone tissue or biomaterials. By carefully stretching the skull along its sutures, they activated skeletal stem cells that reside in these wiggly seams, repairing damage to the skull that would not have healed on its own.
A new study from Johns Hopkins Bloomberg School of Public Health suggests that chronic health conditions such as type 2 diabetes and asthma are greatly undertreated in the US jail and prison population. The researchers found significant disparities in treatment rates compared to the general US population, with incarcerated individuals ...
Researchers found that senescent cells promote regeneration by secreting factors that stimulate nearby muscle tissue to produce new muscle cells. The presence of these cells enhances the regeneration process, allowing salamanders to grow lost limbs in a matter of weeks.
A study found that savanna species in Cerrado biome produce significantly more bark than forest species to protect against frequent fires. This adaptation enables them to survive and regenerate after burning, highlighting the importance of controlled fire management in these ecosystems.
Researchers at the University of Arizona developed an algorithm to measure wind by analyzing water vapor movements, providing a novel solution for forecasting extreme weather events. The method uses data from two operational satellites of NOAA and achieves higher resolution than traditional methods.
Killer whales in the North Atlantic exhibit dietary specialization, with regions preferring different prey species. The study's findings provide insight into potential impacts on sensitive species within Arctic ecosystems.
A multidisciplinary group of experts has reached a consensus on key issues related to molecular prediction of Mycobacterium tuberculosis antibiotic sensitivity or resistance. The document provides guidance for therapeutic regimen design and treatment optimization, aiming to improve clinicians' management of TB patients.
Researchers at Macquarie University have developed a microwave technology that improves solar cell production by reducing energy consumption and increasing efficiency. The new method allows for selective heating of silicon, making it easier to recycle and reuse components.
Researchers developed a perovskite nanoplatelet laser on a diamond substrate, achieving efficient heat dissipation and low pump-density-dependent temperature sensitivity. The study demonstrates potential for electrically driven perovskite lasers.
Researchers developed an AI-based method for virtual staining of histopathological tissue samples, producing images that closely resemble actual chemical-stained samples. This reduces chemical burden and manual work while enabling the use of tissues for other purposes.
Researchers at the University of Sydney successfully biodegrade polypropylene using two common fungi strains, reducing plastic waste by up to 27%. The discovery holds promise for developing new recycling technologies that minimize environmental impact.
A Wayne State University researcher has received a $1.95 million grant to study the regulation of inositol synthesis and its effects on essential cellular functions in human cells. The study aims to identify mechanisms that regulate inositol synthesis and determine its impact on cell signaling and metabolism.
A Portuguese study found that six pets in Portugal and one in the UK carried antibiotic-resistant bacteria similar to those found in their owners. The researchers emphasize the importance of including pet-owning households in programs to reduce antimicrobial resistance. Owners can reduce the spread by practicing good hygiene.
A team of researchers at Aarhus University has discovered a protein that helps protect the body against blood clots in hibernating bears. The protein, HSP47, is found to be downregulated during winter months, allowing bears to avoid blood clots.
Researchers developed an ingestible X-ray dosimeter that detects radiation dose in real time, providing accurate monitoring of radiotherapy. The capsule tracks biochemical indicators like pH and temperature, enabling enhanced treatment precision for gastric cancer patients.
A team led by Associate Professor Jonathan Boreyko has discovered that ice can quench heat more effectively than water, especially at high temperatures. The study found that ice absorbs heat as it melts, reducing the amount of heat available for vapor bubbles to form.
A new meta-analysis finds that Black patients are 71% more likely to experience heart damage following chemotherapy treatment. The study highlights the need for further research into underlying factors contributing to these disparities to reduce cardiovascular risk associated with chemotherapy.
A Portuguese study found that 19% of surfaces in small animal veterinary practices harboured at least one multidrug-resistant bacterium. These included Staphylococci, such as S. pseudintermedius, and Acinetobacter spp., which are resistant to carbapenem antibiotics.
A research team from Université Laval has identified a method to save corneal cells from death using healthy mitochondria, reducing mortality rates from 60% to 10%. This approach demonstrates high therapeutic potential for mitochondrial injection, which could maintain vision without transplantation if diagnosed at an early stage.
A study in Nature Communications Earth and Environment shows progress in Australia's nature-based rehabilitation efforts for sustainable environmental restoration. The research highlights the importance of adopting UN environmental goals as principles in river management to conserve river health and improve resilience.
Researchers have identified 145 potential height genes linked to skeletal disorders and growth plate maturation. The study found that genetic changes affecting cartilage cell maturation may strongly influence adult height.
A team of researchers has developed a swallowable X-ray dosimeter that can estimate radiation dose in real-time, offering improved accuracy and minimization of damage to healthy tissue during radiotherapy. The capsule-shaped device uses a neural network-based regression model to analyze radioluminescence and temperature.
Researchers used a novel machine-learning technique called causal forest, which found that treating individuals with high estimated benefits provided better population health outcomes than the traditional high-risk approach. This approach targets those with high blood pressure and could lead to more effective treatment strategies.
Researchers developed a temperature-sensitive bioink that induces tissue regeneration and biodegrades in the body, reducing immune adverse effects. The bioink enabled cell differentiation to be autonomously regulated within a 3D scaffold, leading to successful bone regeneration in rats.
Researchers discovered that ambrosia beetles Xylosandrus germanus use the volatile compounds of their fungal symbionts to aggregate and potentially kill trees. This finding suggests a new method for biological control by targeting specific beetle species with trapping lures based on these compounds.
The new CALANGO software helps untangle genetic factors associated with shared characteristics, such as antibacterial resistance and agricultural improvements. It enables scientists to explore vast amounts of genomic data across thousands of organisms.
Scientists at the University of Chicago have created a new material that can bend in half or stretch to twice its original length while still emitting light. The stretchable OLED display has applications in wearable electronics, health sensors, and foldable computer screens.
A new genomic catalogue of malignant peripheral nerve tumour-derived lines has challenged current diagnostic criteria, revealing misdiagnosed cell lines and a shared cell line masquerading as different types. The catalogue provides new information to develop precision therapies for these tumours.
Researchers analyzed octopus and squid sensory receptors to discover new families of chemotactile receptors that drive distinct behaviors in the environment. These findings provide insights into the molecular basis of novelty across levels of biological organization.
Researchers use cryo-electron microscopy to visualize a sirtuin enzyme bound to a nucleosome, clarifying how it accesses DNA and histone proteins to modulate gene expression. The study provides insight into the function of SIRT6 in humans and other animals.
A new study has uncovered five new skulls of the Oligocene toothed baleen whale Coronodon from South Carolina, representing two new species and a young juvenile. The fossils provide key insights into the early growth and development of Neoceti whales.
A recent genetic study found that antibiotic resistance is driven by geographic, demographic, diet, and lifestyle factors. Researchers analyzed the microbiome of a large Finnish population sample and discovered associations between food consumption, geographical location, and ARG abundance.
The study found that 68% of carbon contributions come from single-use items, with production and waste disposal contributing significantly. Reusable alternatives for products like gowns, drapes, and instrument table drapes can reduce carbon footprint by one third.