A new study published in The Lancet Infectious Diseases found that having HPV in the hand does not increase the risk of transmitting HPV to a sexual partner. Most HPV detected in the hands likely came from a person's own genital HPV infection.
A study from McGill University reveals that a virus infecting the Leishmania parasite exploits cell-to-cell communication to spread and evade detection. This discovery could lead to effective vaccines against leishmaniasis, a disease causing severe disfiguration in tropical areas.
A new study simulates the effects of melting ice sheets on ocean temperatures and circulation patterns, as well as air temperatures, by 2100. The research predicts significant disruptions to ocean currents and increased warming around the world.
Researchers at McGill University discovered a shared genetic marker that could effectively treat rare and common types of cancer, including ovarian and lung cancers. The breakthrough is based on targeting the cyclin-dependent kinases 4/6, which are vulnerable to existing drugs used in breast cancer treatment.
Researchers developed sensors to map cell-generated forces in 3D tissues, finding that small tensions can balance large compressive loads. This insight could help understand developmental processes and develop novel tissue-engineering strategies.
Scientists at McGill University have successfully created strong, stable attractions between heavier elements in the periodic table, using halogen bonds. This breakthrough could lead to the development of new materials resistant to water and humidity, revolutionizing fields such as electronics and pharmaceuticals.
Research confirms men and women remember pain differently, with men recalling earlier painful experiences and being stressed by later pain. Blocking memories of previous pain alleviates the stress response, suggesting a potential treatment approach for chronic pain sufferers.
The Canadian-led team discovered the second repeating FRB ever recorded, providing a new clue to the astrophysical puzzle. The detection was made using the CHIME telescope, which detected 13 bursts over three weeks at lower frequencies than previously thought possible.
Researchers have created an atlas of genetic factors associated with estimated bone mineral density, explaining 20% of the genetic variance linked to osteoporosis. The study identifies over 500 genetic determinants, providing promising targets for novel therapeutics to prevent or treat the disease.
A study published in Ecology Letters found that edge populations of plants, such as yellow rattle, are better suited to surviving climate change. These populations have adapted to high-elevation summers by flowering earlier, allowing them to thrive in areas where lower elevation populations fail.
New research found that ghrelin hormone makes people associate food odours with reward, leading to increased eating and obesity risk. Ghrelin also reduces response time and increases pleasantness of food images
A McGill-led research team has developed a computational process to track the transmission histories of rare genetic diseases, tracing CAID back to two European founding families in 17th century Quebec. The researchers hope to extend their search techniques to more common genetically based diseases and identify new genetic variants.
Researchers found that unexpected positive outcomes in cities, such as sports wins or sunny days, are correlated with a change in city mood and an increase in citizens taking risks like gambling. This effect is subtle but significant, with a predicted 2.5% increase in spending on gambling in reactive neighborhoods.
A recent study found a direct link between the amount of stigma men with HIV report experiencing and their scores on cognitive tests, measuring abilities like memory and attention. The researchers suggest that addressing stigma may address cognitive impairment in this population by reducing anxiety and depression.
A new study by McGill University researchers suggests that clinical trials may promote the use of ineffective and costly treatments, particularly with blockbuster pain drug pregabalin. The researchers found that despite strong evidence supporting pregabalin's effectiveness for certain conditions, many studies failed to conduct rigorous...
A team of McGill researchers has created a phosphorus-free anti-scaling solution based on hairy nanocellulose, providing an effective and environmentally friendly alternative to traditional methods. The breakthrough uses negatively charged carboxyl groups on cellulose nanoparticles to control scale formation.
Researchers found that yelloweye rockfish have difficulty removing toxic mercury from sensitive liver cells, which can cause damage. The study highlights the potential risks of contaminants on this threatened species, with conservation efforts underway to protect them.
A large percentage of healthy babies don't sleep through the night by six months of age, but researchers found no correlation with developmental problems. Infants who didn't sleep for six or eight consecutive hours had a significantly higher rate of breastfeeding, which offers many benefits.
The ocean floor is dissolving rapidly as a result of human activity, with calcite formation being neutralized by acidic CO2. Researchers predict that this process will intensify in the future, leading to long-lasting repercussions on marine ecosystems.
Researchers found that similar brain regions are involved in both spatial navigation and odor identification, suggesting an intrinsic association between the two. Participants with better spatial memory were also better at identifying smells, supporting the idea that these skills evolved together.
Researchers have discovered that a specific gene mutation, R403Q, affects the force and velocity of myosin molecule contractions in individuals with hypertrophic cardiomyopathy. This finding has implications for developing targeted drugs to improve heart function in affected patients.
A cross-national analysis of over 400,000 adolescents in 88 countries reveals that complete bans on corporal punishment are associated with reduced physical fighting among young people. The study found a 42% decrease in female youth violence and a 31% reduction in male youth violence compared to countries without such bans.
A new study by McGill researchers found that, on average, human disturbances do not appear to accelerate evolution. The authors analyzed 40 studies on species' responses to human activity, covering 102 traits in 37 different species.
Scientists at McGill University found that a rudimentary 'organ' in ants regulates the balance between soldiers and workers, allowing colonies to maintain a constant ratio. By controlling the growth of this organ, ants can rapidly produce more soldiers when needed.
A new AI algorithm can accurately predict cognitive decline and Alzheimer's disease, enabling early intervention and prevention strategies. The algorithm learns from MRI, genetics, and clinical data to identify individuals at risk, potentially delaying or preventing the onset of Alzheimer's.
A team of Canadian scientists discovered a French-Canadian founder mutation gene linked to synucleinopathies, a group of neurodegenerative diseases including Parkinson's disease and dementia. The GBA mutation increases the risk of developing these diseases, particularly in people with other mutations.
A novel drug has reversed memory deficits and stopped Alzheimer disease pathology in an animal model, with proven non-toxicity for humans. The drug targets the Caspase-1/Caspase-6 neurodegenerative pathway, a significant breakthrough in treating age-related memory loss.
Scientists discovered that pollen tubes exert forces similar to car tire pressure as they navigate through plant tissue to fertilize eggs. The research found that cells can 'feel' and respond to physical resistance in their environment, leading to changes in growth patterns.
Researchers at McGill University found that aging brains retain neuroplasticity but experience dysregulation leading to unstable learning. Increasing GABA levels in older rats prolonged the effects of audio tone exposure, suggesting a potential strategy for improving retention in the aging brain.
Researchers ran largest computer simulations of neutron star crusts to understand the possible sources of gravitational waves. They found that the material deep inside the neutron star is incredibly stiff, with 'nuclear pasta' shapes causing it to assemble into unique structures.
A study by McGill University found that confidence in speech can overcome accent bias, making accented speakers equally believable to native speakers. The researchers discovered different brain regions are activated when evaluating speech from within and outside groups.
A recent genome-wide association study found that only two factors - bone mineral density and muscle strength - contribute to fracture risk, while vitamin D levels do not directly predispose people to fractures. Increasing bone strength is more effective in preventing fractures than widespread vitamin D supplementation.
New research at McGill University found that people with higher BMI tend to have reduced cognitive flexibility, increased volume in the left amygdala and decreased volume in certain memory structures. The study suggests a model where genetics play a role in obesity through brain anatomy and cognitive functions.
Researchers found that teenagers have difficulty reading the emotions expressed in their peers' voices, particularly when it comes to tones of voice conveying anger, meanness, or happiness. However, they can accurately interpret adult tone of voices. This challenges the social interactions and relationships among teens.
A new study reveals that carbon reservoirs in the tropical soils of the Yucatan peninsula region are still impacted by ancient Mayan deforestation. Soil carbon storage has changed dramatically over centuries and millennia, with ancient land use affecting long-term persistence.
A new technology developed by McGill University scientists can detect hundreds of proteins with a single blood sample, improving the analysis of biological markers and providing key information on health. The technique uses multicolour fluorescent dyes to barcode micro-beads, enabling detection of multiple proteins in parallel.
Researchers have discovered a method to synthesize helical biomineral structures with opposite spiral directions by adding specific amino acids, shedding light on how certain biological structures can exhibit both rotations within the same species or individual organism.
A new nano-sized trap device has been developed by McGill University scientists to detect disease-causing bacteria quickly and accurately. The device can analyze very small volumes of culture media containing bacteria such as E. coli and S. aureus in just minutes.
Researchers at McGill University have made a groundbreaking discovery linking stomach tumours in patients with Peutz-Jeghers Syndrome to immune system inflammation. The study suggests targeting inflammatory pathways may lead to potential new treatments for this rare genetic disorder.
A 1.4 billion-year-old lake deposit in Ontario has provided fresh evidence of the Earth's atmosphere and biosphere during a time leading up to animal life. The findings suggest that oxygen levels were much lower than today, with primary productivity being less than half as high.
A study at McGill University found that just 15 minutes of exercise increases brain connectivity and efficiency, leading to better long-term retention of new motor skills. The research suggests that this optimal brain state can be accelerated through exercise and may have implications for recovery from stroke or injury.
Researchers developed a personalized Therapeutic Intervention Fingerprint (pTIF) to predict the effectiveness of targeting specific biological factors for controlling neurological disease progression. This technique can categorize patients with their unique physiological needs, leading to more effective and tailored treatments.
Researchers at McGill University used sMRI and PET scans to track brain degeneration in early-stage Alzheimer's disease, revealing a link between cholinergic neurons and cortical regions. The study suggests that combining PET with sMRI may be a powerful tool for diagnosing Alzheimer's before cognitive symptoms appear.
A team of scientists from McGill University discovered a key role for the GRIN2B gene in early neural stem cell development and autism. They used genetic engineering to reprogram skin cells into brain cells with the patient's mutation, showing how improper protein production leads to impaired brain development.
Researchers have identified novel genes associated with childhood-onset schizophrenia, a rare form of the disorder. The discovery is expected to aid in diagnosis and the development of treatments for this severe condition.
A study on a Quebec family with an unusual gene has provided novel insight into how the human brain is built. The research found altered connectivity between dopamine-producing cells and their target sites in the brain, which may link to lower impulsivity traits and reduced likelihood of smoking.
A study from McGill University found that combining probiotics with an herbal supplement called Triphala increases fruit fly lifespan by 60%. The researchers observed reduced traits of aging, including insulin resistance, inflammation, and oxidative stress. The findings suggest a potential link between gut bacteria and human longevity.
Climate change in Quebec could lead to a greater diversity of species in national and provincial parks. By 2100, up to half of the protected regions may see an increase in species turnover of over 80%. The researchers suggest rethinking conservation strategies to prioritize site resilience and connectivity.
A new method for projecting warming patterns supports substantial global warming but indicates significant variations in regions. Historically-driven climate approaches complement complex global models, providing more reliable regional climate projections.
A new mechanism involved in depression has been discovered, and a potential drug targeting this mechanism shows promise as an effective treatment with fewer side effects. The research found that Elk-1, a molecule directly involved in depressive disorders, can be targeted to give quicker response times.