A study published in Nature Genetics has identified nine novel genes associated with osteoarthritis. Researchers used the UK Biobank resource and found that five of these genes differ significantly in their expression between healthy and diseased cartilage, offering new targets for future research into therapies.
Researchers established two new adrenal cancer cell lines and mouse models to test novel treatments, identifying PBK as a key target. A patient treated with pembrolizumab showed remarkable response with 77% tumor reduction, while a humanized mouse model also responded to the immunotherapy.
Human habitat alteration leads to global phylogenetic homogenization, replacing diverse species with similar clades. Average loss of 13.5% in phylogenetic diversity reported across five continents.
The VIIRS instrument aboard NASA-NOAA's Suomi NPP satellite captured a true-color image of Tropical Cyclone Marcus on March 18, 2018. The storm brought hurricane-force wind gusts to Darwin, Australia, and was moving west at 16 mph per hour.
A Canadian study found that mothers living in households with food insecurity are less likely to breastfeed their infants exclusively for six months. The research, published in the Canadian Medical Association Journal, highlights the negative impact of food insecurity on breastfeeding duration.
Researchers uncover evolutionary origin of vertebrate limbs by analyzing genetic elements first used to develop dorsal fins in ancient fish. The findings suggest that these elements were later redeployed to produce paired appendages, like arms and legs.
Researchers developed a point-of-care device that simultaneously probes patient hemodynamics, chemical constitution, and anatomy to diagnose thyroid nodules. The device uses near-infrared time-resolve spectroscopy and diffuse correlation spectroscopy to collect tissue data, promising improved accuracy and reduced costs.
A new study by NYU Langone Health reveals that patients from lower-income areas have a significantly reduced chance of surviving anal cancer. The research, led by Dr. Daniel Becker, found a strong association between median household income and overall survival rates.
Scientists have developed tiny, implantable sensors that can detect various body chemistries without triggering an immune response. The devices are being marketed in Europe and are expected to receive US approval, with potential applications including monitoring oxygen levels in patients with peripheral artery disease.
Researchers create first kagome metal, an electrically conducting crystal with individual atoms arranged in a repeating triangular pattern. The material exhibits strange, quantum-like behaviors in passing electrons, including bending and creation of nearly massless particles.
Researchers have identified two new biomarkers, a trio of RNA molecules, to help determine the severity of neuroblastoma in children. This discovery has immediate significance for disease prognosis and will eventually contribute to more effective treatments.
Researchers at the Salk Institute found that nematode worms exhibit a rudimentary fear-like response when exposed to chemicals from their predator, which has parallels to human anxiety. This discovery may lead to refined prescriptions for current anti-anxiety drugs and enable new treatments for PTSD and panic disorder.
A recent study from the University of Waterloo found that Muslims are the least liked group in Canada, with higher rates of discrimination than most other demographic groups. Residents of Quebec and those with conservative views hold more negative feelings towards Muslims.
Researchers developed two nanofiber dressings that use naturally-occurring proteins to promote healing and regrow tissue. The dressings, inspired by fetal tissue and soy-based molecules, showed significant improvements in wound healing, including 84% tissue restoration within 20 days.
Researchers developed a monoclonal antibody targeting BamA in Gram-negative bacteria, inhibiting its function and compromising outer membrane integrity. The treatment shows promise for developing therapeutics against these bacteria.
Scientists found that a small daily dose of Viagra significantly reduces colorectal cancer risk in genetically predisposed animal models. The drug works by increasing levels of cyclic GMP, which suppresses excessive cell proliferation and promotes normal cell differentiation.
The loss of seagrass meadows at Shark Bay has released up to nine million metric tons of carbon dioxide, equivalent to the annual CO2 output of 800,000 homes. Seagrass ecosystems are crucial for storing carbon, and climate change is compromising their permanence.
Researchers collected three tumor samples from a patient with salivary gland cancer, revealing a significant increase in cancer stem cells and aggressive mutations over time. This study demonstrates how tumors can adapt and overcome therapies, leading to relapse and treatment resistance.
Researchers have discovered biochemical mechanisms that help female beetles produce the aggregation pheromone trans-verbenol in response to juvenile hormone III. This finding may improve forecasting of bark beetle outbreaks by understanding how these insects communicate and colonize pine trees.
Scientists have discovered a human antibody, CIS43, that protects against malaria better than any previous antibody, and identified a unique binding site on the malaria parasite's surface protein. This could lead to new pathways for malaria prevention, potentially offering an effective vaccine or direct infusion therapy.
Researchers calculate glacier melting under different climate scenarios, finding that up to 36% of ice could melt without further emissions. Compliance with 1.5°C global warming goal makes little difference in the next 100 years.
Researchers discovered that asbestos exposure sends exosomes to distant cells, causing genetic changes and potentially leading to cancer or diseases. The findings suggest a new mechanism by which asbestos triggers deadly cancers.
A new study suggests that taxing sugar-sweetened beverages could increase stigma for already-marginalized populations, including those of low socioeconomic status and Aboriginal peoples. The authors argue that taxation policies must consider the potential unintended consequences on these groups.
A new study published in Nature Ecology and Evolution suggests that herring larvae may survive better in a future acidified ocean due to an altered food supply. This unexpected result could have implications for the long-term survival of fish populations.
A European project is developing circular economy solutions using agricultural and fisheries waste to improve soil quality and reduce CO2 emissions. The Horti-BlueC project replaces non-renewable resources with local waste, producing bio-energy, biochar, and biodegradable materials.
The study found that nearly half of the wives reported that their partner's health problem affected their own health, with many feeling increasingly socially isolated. The women also expressed concerns about the role change in their relationship as their husbands became less able to fulfill their usual roles.
The Canadian Medical Association Journal (CMAJ) is championing the health of vulnerable populations with a special focus. The journal aims to shine a light on vulnerability in healthcare and empower those who are most affected.
Severe TBI in children increases risk for attention-deficit/hyperactivity disorder (ADHD) up to 7 years after injury. A study of 187 children with TBI compared to orthopedic injury found 25.7% developed secondary ADHD, highlighting the need for post-injury monitoring.
A new study by UTSA researchers presents a method to stop cyber attacks on GPS-enabled devices, including electrical grids and driverless cars. The algorithm can recognize false GPS signals and counter an attack in real-time, making it crucial for securing GPS signals used in various technologies.
A team of EMBL scientists has developed a comprehensive 'cookbook' for growing and studying 96 diverse gut bacterial strains. The research reveals unexpected nutritional preferences and growth characteristics of these bacteria, providing valuable insights into the human gut microbiome.
A new test developed by chemists can screen for synthetic opioids and cannabinoids in just under five minutes, helping medical staff identify the cause of an overdose. The device uses a small cartridge to extract and analyze drugs from blood samples, providing a potential solution to the growing crisis of opioid overdoses.
Dr. Helen Hobbs has made a groundbreaking discovery linking a gene mutation (PCSK9) to lower levels of LDL, or 'bad cholesterol', improving treatment of high cholesterol. Her research led to the development of an FDA-approved therapy within 10 years.
A study of 302 postmenopausal women found that prescribed vaginal estradiol hormone tablets and over-the-counter vaginal moisturizer didn't improve symptom relief or sexual function compared to a placebo. The researchers conclude that a better understanding of the underlying mechanism is needed to develop more effective treatments.
Researchers have identified a wax-like hydrocarbon called heneicosane as a royal recognition pheromone in termites, enabling workers to recognize and care for queens and kings. This discovery could upend current understanding of insect social behavior and evolution, suggesting that CHCs evolved as royal pheromones 150 million years ago.
A study by University of North Carolina at Chapel Hill found that primary care physicians feel underequipped to address prenatal oral health, with only 45% feeling prepared. The authors suggest improving training and education on oral health for primary care physicians.
Researchers have uncovered previously unknown reservoirs of trans-verbenol in juvenile mountain pine beetles, which could aid in predicting outbreaks. The study found that female beetles accumulate and store the pheromone during their larval and pupal stages.
A new study found that children born to mothers with a larger waist size (80 cm or more) before pregnancy are at a 65% higher risk of developing autism. The research suggests inflammation may play a key role in this link.
Researchers found that participants on the 5:2 diet cleared triglyceride from a meal more efficiently than those on daily calorie restriction, reducing an important risk factor for cardiovascular disease. The study also showed a greater reduction in systolic blood pressure in participants on the 5:2 diet.
Researchers generate self-organizing liquids into patterns, enabling design of emulsions resembling Russian nesting dolls. The method offers potential new pathways for developing more sophisticated pharmaceuticals and other consumer products.
Researchers have made groundbreaking discoveries regarding the onset of cholera, paving the way for a fast-acting antidote. The study shows that mice without a specific receptor can still get diarrhea after consuming cholera toxin, offering new possibilities for producing a drinkable antidote.
Researchers discovered micron-scale particles linked to a magnetic field can self-assemble into swimming motion, replicating human breaststroke. The ability can be controlled with an eccentric magnetic field, allowing for potential use as drug-delivery vehicles or micro-robots.
Research published in BMC Public Health found an association between increased social media time and reduced wellbeing in later adolescence among girls. However, the study did not find a similar association for boys.
A large study found that Métis adults have higher rates of lung, liver, and breast cancers, as well as poorer prostate cancer survival rates. The study also identified lower incidence rates for melanoma and leukemia in Métis adults compared to non-Aboriginal people.
Scientists have identified genetic patterns in Haemophilus influenzae that make certain strains more dangerous than others. This discovery may lead to the development of new treatments and vaccines for Chronic Obstructive Pulmonary Disease (COPD) patients.
A human brain imaging study found that LSD reduces activity in areas important for establishing one's sense of self, blurring the line between self and other. The serotonin receptor system appears to be a target for treating social impairments in disorders such as depression and schizophrenia.
Researchers have made significant strides in understanding how atoms rearrange at different temperatures during the glass transition process. The team found that the time it takes for atoms to lock into place varies widely, with some regions 'sticking' first and holding on to their neighbors for a long time.
A new study reveals that palm trees can thrive in regions as cold as Washington DC, with an average temperature above 2 degrees Celsius. The study's findings suggest that palms are sensitive indicators of changing climates and can provide insights into past temperatures.
A study published by the British Heart Foundation found that premature hearts are less able to cope with exercise, leading to increased risk of heart failure. Researchers compared the heart function of adults born prematurely to those carried to term and discovered a significant difference in blood leaving the heart during exercise.
New research shows human influence on climate change will fuel more extreme summer heat waves in the western U.S., including California and the Southwest. The study predicts man-made climate change will be a dominant driver for heat wave occurrences in specific regions by 2030 and 2050.
A study published in BMJ Open found that GP surgeries with GPs trained in complementary and alternative medicine have lower antibiotic prescribing rates. This reduction is associated with a decrease in some antibiotic resistance. The authors suggest exploring additional treatment strategies to combat antimicrobial resistance.
Researchers created a biomaterial that can be seeded with insulin-producing beta cells, reversing diabetes in a mouse model. The study found normalized glucose levels and increased survival in treated mice, without triggering an immune response.
A recent study by University of Tokyo scientists has identified the Ask genes as crucial for regulating circadian rhythms and responding to cellular stress. The research found that cells lacking these genes are impaired in their ability to adapt to daily changes in environmental conditions, leading to disruptions in sleep-wake cycles.
Researchers studied 192 COPD patients over 15 years to understand how the nontypeable Haemophilus influenzae (NTHi) pathogen survives in human airways. The study reveals genetic changes that help the pathogen adapt and thrive, providing insights for developing a vaccine or treatment.
The researchers examine proposed remedies designed to reduce the degree of irreproducibility in scientific findings. They recommend reforms tailored to research type and goals, emphasizing the importance of sharing reliable and important data, while maintaining strict vigilance to ensure quality reporting.
Researchers at Lund University developed a new method to recode neural signals into computer language, enabling simultaneous communication with millions of nerve cells and analysis within milliseconds. This innovation has significant implications for brain research, clinical diagnosis, and treatment.
A study of data from the National Health and Nutrition Examination Survey (NHANES) found that most Americans have suboptimal cardiovascular health. The study also revealed racial disparities in cardiovascular health, with rates of optimal health remaining below 40% for whites, 25% for Mexican Americans, and 15% for African Americans.
A study by Hiroshima University researchers found that a specific gene group controls DNA damage response in hypoxic cancer cells, weakening the effectiveness of anticancer therapies. Suppressing this gene, DEC2, made cancer cells more sensitive to radiation treatment.
A new study found that people with HIV in Ontario are dying at higher rates than the general population, highlighting the impact of social determinants on health outcomes. The study suggests that factors such as unemployment, low income, homelessness, and incarceration contribute to increased mortality rates among people with HIV.
A team of scientists has provided a theoretical explanation for how helium can form stable compounds, challenging the element's long-held reputation as unreactive. The research predicts new sets of compounds that might react with helium under pressure, which could lead to the discovery of more helium reserves in the Earth's mantle.
A new scenario proposes that Mars' oceans formed several hundred million years earlier than previously thought, linking their existence to the rise of the solar system's largest volcanic system, Tharsis. The model suggests that global warming and volcanic eruptions played a key role in allowing liquid water to exist on Mars.