A growing gap in cervical cancer incidence rates between high- and low-income countries threatens to escalate unless prevention efforts are increased. Researchers urge universal vaccination for girls and boys, as well as catch-up campaigns, to close the gap and prevent nearly 37 million cases of cancer by the end of the century.
Research by Université Laval found that physical exercise and living in favorable conditions reduce depression risk by maintaining blood-brain barrier integrity. Fgf2 protein plays a key role in this mechanism and may serve as a biomarker for mood disorders.
Researchers Drs Emmanuel Bujold and Roberto Romero propose a new closure technique for cesarean delivery that respects the natural anatomical structure of the uterus. This approach may reduce long-term complications such as abnormal placenta attachment, uterine rupture, and pelvic pain.
Researchers from Université Laval designed an ultra-fast and greener optical chip that can transfer massive amounts of data at speeds of 1,000 gigabits per second while reducing energy consumption. This innovation uses the phase of light to add a new dimension to the signal, reaching unprecedented performance levels.
Researchers from Université Laval discovered a non-invasive retinal exam can detect Parkinson's disease biomarkers, offering early diagnosis and potential intervention. The study found distinct retinal responses to light stimuli in people with Parkinson's compared to healthy individuals.
A study published in Nature Neuroscience found that overexpressing cannabinoid receptor type 1 (CB1) in astrocytes promotes resilience to chronic social stress by reducing anxiety levels and depressive symptoms. The researchers also discovered an association between CB1 receptors and depressive symptoms in human brains.
A randomized clinical trial found camu-camu extract reduced liver lipids by 7.43%, while a placebo increased them by 8.42%. The effect is attributed to polyphenols and their relationship with intestinal microbiota.
A new study found that a liberal blood transfusion strategy may improve outcomes for patients with traumatic brain injury, leading to better functional independence and quality of life. Six months after the injury, patients who received more frequent blood transfusions showed higher levels of recovery and improved quality of life compa...
Researchers found that cranberry extracts can stimulate beneficial bacteria in the gut, reducing inflammation and improving the prognosis of chronic diseases. The study suggests that cranberries may be a useful addition to a balanced diet in preventing or managing conditions like diabetes and cardiovascular disease.
A new study found that physical activity levels are insufficient to counter the increased risk of cardiovascular disease associated with consuming sugar-sweetened beverages. Even moderate consumption can lead to higher cardiovascular disease risk, emphasizing the need to limit these drinks' omnipresence in the food environment.
Researchers developed a molecular predictor of radiation response using cell line data and machine learning-based approaches, capturing a wider range of biological processes. The new gene signature has the potential to aid decision-making, personalize treatments, and improve outcomes for various types of cancers.
A survey of 2,800 Canadians found that nearly 80% believe psilocybin-assisted therapy is a reasonable medical choice to treat existential distress in patients at the end of life. Researchers suggest that familiarity with palliative care and personal experience with psilocybin may contribute to higher support rates.
Research suggests that structural changes in upper motor neurons send a signal to immune cells, leading to toxic effects on neurons and reduced synaptic connections. Blocking inflammation with a semi-synthetic drug can restore synaptic connections and improve ALS symptoms.
A large-scale international collaborative study has identified new genes associated with breast cancer, which could lead to better risk prediction and improved clinical management. The study found evidence for at least four new breast cancer risk genes, with many others showing suggestive evidence.
Researchers have identified a therapeutic target for Alzheimer's disease by finding that inhibiting an ion pump can slow down cognitive decline and partially restore brain function. The study's findings suggest that maintaining the ion pump could be key to preventing or reversing the disease.
A research team from Université Laval and Université Clermont Auvergne has shown that clouds harbor antibiotic resistance genes of bacterial origin. The concentrations vary widely, ranging from 330 to over 30,000 bacteria per milliliter of cloud water.
Researchers have pinpointed a new neurological target, the mesencephalic locomotor region, to improve walking recovery in people with spinal cord injuries. Electrical stimulation of this area has shown promise in animal models, and a clinical trial is underway.
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 recent study has identified 60 unique brain proteins that may influence body weight via their expression in the brain. Genetic factors are believed to contribute to up to 50-75% of BMI variation, with the brain playing a critical role in regulating energy homeostasis.
A new study by Université Laval researchers has identified a link between insulin receptors in brain microvessels and Alzheimer's disease. The findings suggest that drugs targeting these receptors could be effective in treating the condition, expanding the range of potential treatments.
Researchers at Université Laval found that yogurt's health benefits for obesity may be due to its impact on the gut microbiota and production of branched chain hydroxy acids (BCHA). The study, published in Nature Communications, suggests that BCHA can help improve fasting glucose and liver function in obese mice.
Researchers have discovered a protein that plays a key role in the malaria parasite, leading to a potential new way to fight the disease. Deactivating this protein reduces the growth of the parasite by over 75%, making it a promising target for treatment development.
Researchers introduce a genetic mutation that reduces Alzheimer's risk by preventing amyloid plaque formation. The mutation, found in Icelanders, has no known disadvantage and may be used to treat familial and sporadic forms of the disease.
A recent study by Éric Boilard at Université Laval has established a link between the gut microbiota and chronic inflammatory diseases such as arthritis. The research reveals that phospholipase A2-IIA, a protein naturally present in the gut, alters the bacterial lipid profile and promotes inflammation. This finding suggests that local ...
Researchers found gender-specific brain alterations in people with depression, including altered blood-brain barriers in women. They also identified a potential depression biomarker in women's blood samples.
Researchers have found that platelets are the source of extracellular DNA in patients with lupus, leading to chronic inflammation. This discovery could lead to better understanding and treatment of the disease.
A recent Canadian study found that DHA supplements have no effect on bronchopulmonary dysplasia in preterm infants born before the 29th week of pregnancy. The study involved 461 breastfeeding mothers who received either a daily supplement or a placebo, and the results showed no improvement in respiratory conditions by 36 weeks.
A study by Université Laval researchers suggests that bacteria may play a role in the development of type 2 diabetes in individuals with severe obesity. The researchers found distinct bacterial signatures in diabetics' blood, liver, and fat deposits compared to non-diabetics.
Two studies published in The Lancet conclude that cervical cancer could be eliminated worldwide by the next century, with North America expected to see almost complete eradication by 2040. High vaccination coverage and high uptake of screening and treatment are key to achieving this goal.
A study published in PNAS reveals that the blood-brain barrier's impermeability is linked to depression symptoms and that restoring its integrity may lead to improved treatment outcomes. Researchers found that a decrease in claudin-5 protein and increased HDAC1 enzyme are associated with depressive symptoms.
A team of researchers found that HIV takes refuge in lymph nodes in the spleen and gut during antiretroviral treatment. These cells, which are part of the immune response, allow the virus to escape treatment by limiting drug flow or eliminating them faster.
Researchers found that HPV vaccination programs substantially reduced HPV infections by 83% among girls aged 13-19 and 66% among women aged 20-24. Precancerous cervical lesions also decreased by 51% among teens and 31% among women in their early twenties.
Researchers from Université Laval synthesized molecules discovered in a microscopic fungus from Nunavut, demonstrating their efficacy against malaria. The study found that the synthesized molecules, called mortiamides, stopped the growth of both parasite strains within 72 hours.
Researchers developed an antibody to target TDP-43 protein aggregates in mouse brains, resulting in significant improvements in cognitive and motor performance. The breakthrough paves the way for immunotherapy development for ALS and frontotemporal dementias.
Researchers at Université Laval found that camu camu phytochemicals prevent obesity in mice fed a diet rich in sugar and fat. The extract improved glucose tolerance, insulin sensitivity, and reduced inflammation, suggesting its potential as a natural weight management tool.
Researchers found that a dietary supplement derived from glucose increases muscle-force production in the Duchenne muscular dystrophy (DMD) mouse model by 50% after ten days. The study suggests that N-acetylglucosamine may preserve muscular strength and is an inexpensive product with potential as a treatment for DMD patients.
Researchers found that probiotics can decrease the mortality rate of nosemosis in bees by up to 40% and are as effective as commercial probiotics. The study suggests using beneficial bacteria from healthy bee microbiota to combat this disease.
A new study by Université Laval researchers found that Canadians who suffer a stroke have a higher risk of dying if treated in a rural hospital compared to an urban one. The mortality rate is approximately 25% higher for patients treated in rural areas.
Platelets have been found to act as the immune system's first responders when a virus, bacterium, or allergen enters the bloodstream. They release serotonin, which triggers an inflammatory response in mice with antigen-antibody complexes, leading to septic or anaphylactic shock.
A team of researchers from Université Laval has created a smart T-shirt that can monitor a person's breathing rate in real time. The innovative design uses an antenna sewn into the chest level to detect changes in thorax circumference and air volume, allowing for reliable data capture.
Researchers developed polypeptide catalysts that function efficiently in water, which could reduce the use of organic solvents and toxic waste in chemical processes. The discovery has potential applications in pharmaceutical, agrochemical, and food industries.
A team of researchers from Universitêl Laval cast doubt on the idea that genetic redundancy makes organisms more resilient to genetic perturbations. They found that paralogous genes in bread yeast were more often necessary for cellular function than previously thought, highlighting a potential vulnerability to mutations.
Université Laval researchers have discovered two unique molecules and several antibacterial compounds in a species of lichen growing in northern Quebec. The lichen, Stereocaulon paschale, has been found to contain compounds with potential applications in medicine and industry.
Researchers at Université Laval found that e-cigarette vapor kills a large number of mouth cells within days, damaging the mouth's first line of defense against microbial infection. The study exposed gingival epithelial cells to e-cigarette vapor and observed significant cell death after just one day
A study published in Acta Neuropathologica shows that abnormal protein from Huntington's disease (HD) can spread to the brain of normal animals, leading to behavioral abnormalities. The findings provide new insights into how HD develops and may lead to novel therapies for neurodegenerative diseases.
A study by Université Laval researchers found that a drop in body temperature associated with aging can aggravate the main manifestations of Alzheimer's disease. The study used transgenic mice to demonstrate this link and suggests that thermoregulation therapy could be a potential treatment option.
A study published in Health Affairs found that one-sided comments on online news articles can shape readers' opinions on health topics. The researchers discovered that participants who viewed balanced comments or no comments expressed a neutral opinion, while those exposed to polarized comments held extreme views.
Research found an association between earthworm presence and reduced abundance of certain tree species in understory of sugar maple forests. Earthworm populations are linked to soil moisture levels, affecting seed germination and plant survival.
Researchers from Université Laval and Quebec's Ministry of Forests, Wildlife and Parks have developed a new method using environmental DNA (eDNA) to effectively estimate fish populations in lakes. The approach shows strong correlation with traditional methods, providing a reliable and accurate indication of fish abundance at lower costs.
Researchers identified quebecol, a molecule in maple syrup with anti-inflammatory properties, and its derivatives show promise as potential treatments for arthritis and other inflammatory diseases. The discovery could lead to a new class of anti-inflammatory agents with reduced side effects.