A study published in CMAJ Open found that Indian-born women living in Canada with two or more children gave birth to significantly more boys than girls. The sex ratio increased with the number of abortions and when the fetus's sex could be accurately determined by ultrasound.
Cancer researchers used single-cell phosphoproteomics to study glioblastoma and found that tumors adapt and resist therapies in as little as 48 hours. The approach could lead to personalized treatment with better combination therapies for this deadly brain cancer.
Scientists used mafic dikes to determine the connection between northern Laurentia (North America) and southern Siberia for over a billion years. The study reveals new arrangements of continental blocks within Nuna-Columbia and Rodinia, with potential economic implications for mining companies.
Suresh Senan, a renowned expert in radiation oncology, has been awarded the Heine H. Hansen Award for his pioneering work in lung cancer therapy and research. The award recognizes his significant contributions to the field of lung cancer on an international basis.
Researchers have identified two novel molecular players necessary to regulate plasmodesmata in plants under biotic and abiotic stress conditions. These enzymes help control the flow of nutrients, minerals, and cellular signals between cells by altering callose levels at the plasmodesmata channel.
A new study reveals that copper sulfate, commonly used as a fungicide in agriculture, is lethal to the native Brazilian bee Friesella schrottkyi. Sublethal exposure also affects its behavior, highlighting concerns for growers and pollinator conservation.
Researchers have created a light-activated tool to adapt drugs for type 2 diabetes. The study provides insight into cellular receptor signalling and could lead to more efficient anti-diabetic drugs. The new tool, PhotoETP, allows precise control over blood glucose levels with fewer side effects.
A new study reveals that glial cells play a dynamic role in shaping nerve endings, controlling neuron connections and functions. Glial cells use specific molecular mechanisms to regulate the shapes of different neuronal cell types, including those expressing temperature- or odor-sensing proteins.
New research reveals that stressful events result in DNA de-methylation, leading to the suppression of gene expression and facilitating adaptive behavioral responses. The study also found a link between SAM, a compound produced by the liver, and stress-related responses in the brain.
In 2015, Virginia shellfish farmers sold $48.3 million in clams and oysters, with hard clam sales leading the nation. The state's industry is expected to increase by 14% for planted oysters in 2016.
Research reveals enlarged endosomes as early sign of neurodegeneration in Alzheimer's Disease and Down Syndrome. Abnormally active Rab5 protein disrupts axonal transport and neuronal function.
A team of scientists at the MBL Whitman Center successfully recreated a T-cell receptor signaling pathway, revealing novel insights into protein signaling and its role in the immune response. The study found that protein molecules separate into structures through phase separation, leading to efficient signal transduction.
Researchers warn that copper contamination and climate change may hasten the extinction of two amphibian species due to increased copper toxicity and reproductive failure. The study found that even low levels of copper can be lethal to amphibians, highlighting the need for industries to reduce copper use.
Researchers at UCSB have mapped the network of circadian neurons that communicate to re-establish synchronization, finding a 'small-world structure' with hubs and short paths for communication. This discovery sheds light on how the suprachiasmatic nucleus (SCN) regulates essential functions like sleep and hormone release.
Eliminating kerosene subsidies by 2030 could reduce use by 97%, improving health and the economy. The study suggests phasing out subsidies to maintain lighting access while promoting affordable alternatives.
Scientists develop SkinHaptics technology that sends ultrasound waves through the hand to create targeted tactile sensations on the palm. This innovation solves a major challenge for wearable devices by allowing users to feel what they are doing without interrupting the display.
UCLA biochemists have devised a method to convert sugar into various useful chemical compounds without using cells. The approach, called synthetic biochemistry, has shown promise in producing complex enzyme systems that can function well enough for industrial applications.
Researchers analyzed 16 ant species to understand queen-worker differences, finding conserved gene sets associated with traits like queen numbers and worker sterility. This study provides insight into the evolution of gene expression across ant species.
A study published in the American Journal of Infection Control found that staff at outpatient care facilities fail to follow hand hygiene recommendations 37% of the time. Medical students assessed infection prevention policies and practices, noting only 63% compliance with recommended hand hygiene practices.
Researchers found a novel neuron regeneration pathway in C. elegans that could lead to treatments for human spinal cord injury and paralysis. The discovery sheds light on the adult human nervous system's ability to regenerate, which is essential for restoring health to people with permanent neurological damage.
A recent study by the American Academy of Neurology found that over 40% of retired NFL players showed signs of traumatic brain injury based on sensitive MRI scans. The study also revealed a significant correlation between longer NFL careers and increased risk of TBI.
A Tel Aviv University study analyzed 16 inscriptions from the fort of Arad and found evidence of high literacy rates within Judah's administrative apparatus. The findings suggest that widespread literacy was required for the compilation of key biblical texts, dating back to 600 BCE.
Researchers create a quantum simulator to study novel phase transitions resulting from energetic three-way battles between interaction energy, motional energy and long-range interaction.
A team of scientists has identified a mechanism responsible for delivering zinc into crop seeds, paving the way for breeding plants with enhanced zinc content. The discovery could lead to improved nutritional value in a large part of the human diet.
A study published in the Journal of Urology found that up to 30% of men on active surveillance for low-risk prostate cancer may have metastases. Risk factors include Gleason score 7 and presence of Gleason pattern 4 on diagnostic biopsy.
Researchers at UC Davis Health System found that state spending on autism services increases dramatically with age. On average, people aged 18 and over receive nearly two and a half times more funding than younger individuals with ASD.
Researchers have developed a highly-sensitive detection method to monitor HDL kinetics, revealing new lipid biology and potential therapeutic targets. The technique allows for the identification of HDL subfractions and their unique proteomes, which may help pharmaceutical companies design more effective drugs.
Researchers at University of Queensland have developed a new plant-derived drug, T20K, that can block the progression of multiple sclerosis. The treatment, extracted from the Oldenlandia affinis plant, has shown success in an animal model and may offer a new quality of life for people with the debilitating disease.
Researchers tested Zika virus in human neural stem cells to understand its effects on developing brains. The study found that the virus preferentially killed brain cells, reducing growth by 40% in a brain organoid model.
A large study in CMAJ found that Indian-born women living in Ontario, Canada, who already have two daughters are more likely to have a boy. The likelihood of male births increases if women had an induced abortion before the birth. Birth ratios fell within natural ranges for Canadian-born and immigrant women from most other countries.
Research found that overexpression of VEGF-A in animal models promotes both wet and dry age-related macular degeneration and cataract formation. The study identified the NRLP3 inflammasome as a key component in this process, suggesting a potential therapeutic target for preventing or inhibiting these diseases.
A new study suggests that a tax on individual transactions between financial institutions could eliminate systemic risk in the financial system. The proposed tax relies on an analysis of banking network data and would go into a government fund to bail out struggling banks.
A preclinical study conducted by Texas Biomed has shown that Mymetics' HIV vaccine candidate generated significant protection in female monkeys, with an efficacy rate of 87%, delaying persistent infection after repeated viral challenges. The study's results suggest a potential breakthrough in developing an effective HIV vaccine.
Scientists have discovered a key mechanism controlling the production of daughter cells in the immune system, which could lead to more effective vaccines and cancer treatments. Asymmetric cell division generates two types of cells with distinct properties, influenced by the distribution of c-Myc signaling protein.
Scientists have found that the RGS1 gene affects the frequency of T follicular helper cells, which are important for B cell production and seem to be crucial for the disease. The study suggests that while inhibiting RGS1 did not prevent autoimmune diabetes, it changes the way cells move within lymph nodes and spleen.
A recent study published in the American Journal of Respiratory and Critical Care Medicine found that exposure to even low levels of air pollution affects children's lung function. Children living near major highways showed significant reductions in lung function, with those exposed to higher levels of fine particulate matter (PM2.5) a...
A new Finnish study shows that hybrid competitive strategies lead to better financial outcomes for high-technology companies internationalizing. The research found that the effectiveness of a hybrid strategy depends on the globalization stage and key resources of the company.
Researchers at Rice University have developed a combined electrolyte and separator for rechargeable lithium-ion batteries that can operate at high temperatures, including 150 degrees Celsius, with negligible loss of efficiency. The 'white graphene' composite eliminates the need for conventional plastic or polymer separators and is desi...
A study published in JAMA Internal Medicine found that unemployed smokers were less likely to get new jobs and earned an average of $5 less per hour than nonsmokers. This results in a significant wage deficit, with smokers facing a loss of over $8,300 annually.
A new mouse model has been developed to study anorexia-like conditions triggered by a combination of genetic risk, stress, and dieting. The model closely resembles the conditions leading up to anorexia in humans, particularly in adolescents, and may help identify prevention and treatment strategies.
Researchers found specific red blood cell manufacturing methods cause less damage than others, potentially improving transfusion outcomes. The study debunks the long-held belief that storage duration affects DAMPs, instead linking levels to manufacturing processes.
Rice University scientists have discovered that certain types of tricalcium silicates are more efficient to produce cement due to their structural properties. These findings could lead to lower energy consumption and reduced greenhouse gas emissions associated with concrete production, a major contributor to climate change.
A recent study published in JAMA Internal Medicine found that smokers have a much harder time finding work than nonsmokers. After controlling for various factors, the research showed that smokers remained unemployed longer and earned substantially less than their non-smoking counterparts.
Researchers identified a novel mutation in the KIT gene that contributes to crizotinib resistance in ROS1+ non-small cell lung cancer patients. Ponatinib, a KIT tyrosine kinase inhibitor, demonstrates potential as a therapeutic option for overcoming this resistance.
A study published by the American College of Chest Physicians found that bronchial thermoplasty improves asthma quality of life for severe refractory asthmatics, regardless of their demographic factors. The procedure was shown to be effective in reducing resource utilization and improving patient outcomes.
Researchers have designed molecules that promote the formation and retention of memories by increasing dendritic spine density in neurons. The compounds also prevent the loss of these spines in the presence of amyloid-beta, a protein implicated in Alzheimer's disease.
Researchers at the University of Alberta advocate for increasing dietary fiber intake to regain lost microbial biodiversity. A recent study found that mice fed a Western diet with low fiber transferred lower beneficial microbial species to future generations, indicating extinctions had occurred in just a few generations.
Researchers propose an algorithm to retrieve four-dimensional surface deformation field using space-borne SAR data, crucial for interpreting complex geological phenomena. The method demonstrates its validity in areas where large and/or rapid surface deformation occurs, such as the Afar depression system.
Researchers found that pericardial window operation, a treatment for malignant pericardial effusion, is less effective in lung cancer cases compared to other types of cancer. The study suggests alternative, less invasive methods such as needle punctures may be more efficient over time.
Research found unmarried cancer patients had higher death rates than married patients, with whites benefiting the most from marriage. Hispanic and Asian Pacific Islander cancer patients who were born in the US experienced a greater benefit than those born outside the country.
Researchers found that plants can only withstand a limited number of genetic changes before population collapse and extinction. The study challenges common thinking on plant adaptability and has significant implications for agriculture and horticulture in the face of rapid climate change.
The Society for Vascular Medicine coalition advocates for PAD treatment guidelines that improve health outcomes in Medicare beneficiaries. The recommendations include reclassifying the ankle brachial index, comprehensive medical intervention, and supervised exercise training programs.
Researchers at Wayne State University have discovered that dendritic cells play a crucial role in guiding sensory nerve regeneration after wounding, but their interactions are disrupted in diabetic corneas. The study found that applying exogenous CNTF and its soluble receptor CNTFR-alpha can partially reverse the adverse effects of dia...
The Mount Sinai Hospital and Sage Bionetworks conducted a genome study of over 589,000 adults to identify individuals resistant to severe Mendelian childhood diseases. Thirteen healthy people with associated genetic variants were found, but limitations in the original studies' informed consent policies hinder further analysis.
A new study finds that the richest 1% of Americans live significantly longer than the poorest 1%, with a growing gap over the last 15 years.
A team of researchers at MIT found that spinning particles, even when separated by tens of times their size, will ultimately migrate toward each other due to long-range interactions. The phenomenon was observed in a liquid medium with inert particles and has potential applications in biological systems and synthetic materials.
Physicists at Ames Laboratory have discovered a topological metal, PtSn4, with a high density of conduction electrons and large number of closely positioned Dirac points. This discovery may lead to energy-efficient computers with increased processor speeds and data storage.
A recent study found that social connections peak at 25 years old for both men and women, with patterns shifting as individuals grow older. After 60s, social isolation increases, but older adults still use mobile technology less often than younger generations.
Researchers at Georgia State University found that using imagery can improve memory recall and reduce false memories. Participants who created images of list words recalled more words accurately than those who didn't, while also committing fewer errors.
Researchers at Duke University found that antibiotics do not promote the spread of bacterial antibiotic resistance through genetic swapping, contrary to previous assumptions. The study's results suggest that differential birth and death rates, rather than DNA donation, are to blame for the spread of resistance.