Researchers found that estrogen regulates accumulation of immune cells in the liver, promoting tumor growth and immune suppression. The study suggests exploring sex hormones in female cancer patients and using anti-estrogen drugs to improve immunotherapy outcomes.
A Montreal-based research team has found a correlation between gut bacteria and chronic pain in people with fibromyalgia. Variations in the microbiome composition of approximately 20 different species of bacteria were observed in individuals with fibromyalgia compared to healthy control subjects.
A new Canadian study found that pre-hospital treatment with epinephrine autoinjectors has the highest protective effect against uncontrolled allergic reactions in children. The study also revealed that steroids can have a negative impact on patient outcomes, suggesting that current guidelines should be reassessed.
A team of McGill University Health Centre scientists identified a new role for the lipid mediator Leukotriene B4 in regulating the immune response to influenza infection. They found that LTB4 can reduce inflammation and enhance host survival, promising clinical implications for flu treatment.
A new study reveals that over 25% of Quebec children diagnosed with type 1 diabetes already have diabetic ketoacidosis, a life-threatening complication. The number of cases has increased by two percent per year since 2001, highlighting the need for awareness campaigns and earlier diagnosis.
Researchers have identified normal cells that can transform into cancerous cells in the brain, leading to a better understanding of childhood brain tumors. The study used single-cell sequencing technology and mouse models to pinpoint these cells, which were observed much earlier in fetal development than expected.
A new study led by McGill University Health Centre researchers found that children born to mothers with gestational diabetes are nearly twice as likely to develop type 1 diabetes before the age of 22. Early detection is crucial in preventing complications like diabetic ketoacidosis.
An international team of scientists has identified the cause of a devastating pediatric brain disorder by discovering mutations in the VARS gene. The findings suggest that children with this disorder may benefit from treatments to support protein synthesis in the brain.
A new international study reveals that adolescent cannabis use can harmfully alter mental health, even in teenagers without pre-existing depressive symptoms. The risk is particularly elevated in North America, where adolescents have higher rates of cannabis use compared to peers in other developed countries.
A new Canadian study found that nearly 7.5% of anaphylaxis cases were due to an unknown trigger (AUT), with suboptimal treatment and follow-up management common both inside and outside hospitals. The study highlights the need for clear guidelines and educational programs to ensure prompt and appropriate management of anaphylaxis.
A new app called Swift Skin and Wound measures wounds accurately, providing a way to clearly document and quantify wound size. The app is being used by clinicians and healthcare professionals at the McGill University Health Centre in Montreal to improve clinical management and patient outcomes for diabetic patients.
Researchers at McGill University Health Centre found a gene called EGFRvIII that changes the content of messages exchanged between cells, leading to aggressive brain cancer glioblastoma. This discovery holds promise for developing tests and tailored treatments for patients with glioblastoma.
A team of researchers from the RI-MUHC discovered a new human disease called combined immunoficiency (CID) and its genetic cause ICOSLG. The disease is characterized by a weakened immune system, making patients susceptible to recurrent life-threatening infections.
A new smartphone and tablet application called HIVSmart! has been evaluated among an at-risk population in Montreal, showing that it is feasible and accepted by the community. The study found that 99.3% of participants who self-tested negative received counselling, while 98.8% found the app useful.
A team of scientists at McGill University Health Centre identified three genes responsible for recurrent molar pregnancies, a rare complication that occurs when a non-viable pregnancy with no embryo implants in the uterus. They discovered MEI1, TOP6BL/C11orf80, and REC114 mutations linked to genetic causes of fetal loss and miscarriages.
A new molecule called TIM-3 has been identified as a potential target for immunotherapy treatments in patients with cancer and other diseases. The protein plays a key role in regulating the immune response, and its suppression or inactivity can lead to uncontrollable T cell activation and the development of rare forms of lymphoma.
A team of scientists at McGill University Health Centre has identified the effective dose of cannabidiol (CBD) for safe pain relief without the risk of addiction or euphoria. The study found that low doses of CBD alleviate both pain and anxiety in animal models of chronic pain, offering a potential alternative to THC and opioids.
Researchers at the McGill University Health Centre have identified a new cellular target that can weaken P. aeruginosa, a bacterium responsible for thousands of deaths in cystic fibrosis patients. The discovery could lead to more effective antibiotics and improve treatment outcomes for these patients.
A new international collaborative study led by Dr. Dick Menzies found that new TB drugs achieve excellent results in treating MDR-TB, demonstrating consistently better cure rates and reduced mortality compared to currently used treatments. The study prompted a complete overhaul of worldwide guidelines for MDR-TB treatment.
Researchers have identified the genetic mechanisms underlying preterm labor by studying the Nodal gene. Variations of the gene and inflammation are associated with an increased risk of premature delivery.
A new study from McGill University Health Centre reveals that a four-month rifampin treatment is as effective as nine months of isoniazid in preventing tuberculosis, with significantly fewer side effects. The treatment was also more acceptable to patients, particularly those with liver toxicity.
A study by McGill University Health Centre found that two-thirds of teenagers and young adults with type 1 diabetes experience stigma, which can lead to neglecting treatment and severe hypoglycemia. The study also highlights the need for social support and resiliency programs to help individuals manage their condition.
A study by McGill University Health Centre researchers has uncovered the mechanisms of overhydration leading to hyponatremia, a common condition in patients with traumatic brain injuries. The study reveals that glial cells detect overhydration and trigger the release of taurine, which inhibits hydration sensing neurons.
A study found that pregnant women with rheumatoid arthritis using certain RA drugs did not have a marked excess risk of serious side effects compared to unexposed children. The research showed that TNF inhibitors may not compromise the child's ability to fight infections.
Researchers at McGill University Health Centre discovered that having excessive T cells can cause harm and imbalance disease tolerance, leading to tissue damage. The study found that a protein called cyclophilin D acts as a key checkpoint for T cell activation, controlling the body's ability to tolerate Mtb infection.
A unique initiative will bring together over 250 researchers at McGill and the MUHC to develop innovative solutions to infectious diseases. The project will focus on four major themes: antimicrobial resistance, emerging and re-emerging diseases, infections in vulnerable populations, and diseases of altered immunity.
A 20-year Quebec study reveals socio-economic inequalities impact access to AIDS treatment, with HIV-infected individuals on social assistance struggling to initiate early ART. The study highlights the need to consider socio-economic factors in controlling the HIV epidemic, as delayed access can put patients' health at risk.
Researchers at McGill University Health Centre found that the egg sends signals to surrounding cells to construct and multiply feeding tubes, a dynamic process essential for growth. This discovery highlights the egg's sophisticated communication skills and its active role in creating the microenvironment it needs to develop.
A clinical trial, TAKE-IT, combines electronic medication monitoring and coaching to encourage adherence behavior in adolescent kidney transplant recipients. The study shows a 66% higher adherence rate among participants who used the digital health medication management solution with coaching.
Scientists at McGill University Health Centre and the University of Lorraine discovered a new cause of cblC, a rare condition affecting vitamin B12 processing. The study found epimutation, a gene modification causing silencing of one copy of the MMACHC gene, leading to severe health problems.
A new study published in Pediatric Allergy and Immunology reveals that food-induced anaphylaxis reactions occur frequently under adult supervision, with adults other than parents often present. The research highlights the importance of increasing education and awareness among all caregivers of food-allergic children.
A new case study reveals the potential for Chagas disease transmission among individuals with family ties to Central and South American nations. Early detection and treatment can prevent serious long-term effects such as heart failure.
A new study from McGill University Health Centre found that women with gestational diabetes and high blood pressure are 15-37 times more likely to develop type 2 diabetes and hypertension, respectively. The risk also affects fathers, particularly when they share similar lifestyle habits with their partners.
A Canadian study created a website tailored for men transitioning to parenthood, addressing their specific information needs. The site provides resources on parenting, relationships, work-life balance, stress management, and sleep improvement.
A study published in the American Journal of Clinical Nutrition found that consuming protein throughout the day, rather than just at two meals, can lead to greater muscle mass and strength in older adults. Researchers analyzed data from over 1,800 seniors in Quebec and discovered a positive correlation between balanced protein intake a...
A new study from McGill University Health Centre highlights significant gaps in transition care services for young adults with diabetes in Quebec. Pediatric care providers reported lack of standardized policies and limited communication between settings, underscoring the need for targeted interventions to improve the transition process.
A new Canadian study suggests switching to a targeted strategy focusing on high-risk healthcare workers only. The annual screening protocol should be changed to reflect the epidemiology of TB in North America, with resources redirected to increase access to prevention and treatment infrastructure.
Researchers from McGill University Health Centre cracked the code to understanding regulatory T cell function, a key component of our immune system. The study's findings have significant implications for treating autoimmune diseases such as arthritis and Crohn's disease.
Scientists at McGill University Health Centre develop novel enzyme technology that prevents and breaks down biofilms, exposing microbes to antibiotics and host defenses. This approach has huge potential to combat biofilm-associated infections responsible for thousands of deaths across North America.
A new study published in the Journal of the American Society of Nephrology found that young women have poorer transplant outcomes compared to young men, while women over 45 have similar or better outcomes. The research suggests personalized immunosuppression strategies based on age and sex could improve graft success.
A team of researchers identified a genetic mutation responsible for an adult's rare and severe immune system disorder. They developed a molecular therapy using Morpholino Antisense Oligonucleotide that corrected the mutation and allowed the patient's immune system to function properly.
A new study reveals that high lipoprotein(a), a form of cholesterol, is responsible for 1 in 14 heart attacks and 1 in 7 cases of aortic valve disease. Researchers hope to raise awareness about the risk and stimulate development of new therapies to lower this form of cholesterol.
Researchers at McGill University Health Centre have made a groundbreaking epigenetic modification that may improve treatment options for 15% of patients with head and neck cancer. The discovery could lead to targeted, more effective treatments with fewer side effects.
A new study aims to save lives by giving doctors a practical tool to diagnose cachexia in cancer patients. Cachexia is characterized by muscle wasting and metabolic changes, affecting patient prognosis and quality of life.
A study at McGill University Health Centre found that women with tumors expressing the prolactin receptor had a less aggressive breast cancer and better prognosis. The research suggests screening for the prolactin receptor could indicate which patients might benefit from new treatments, potentially revolutionizing breast cancer therapies.
Researchers at the Research Institute of McGill University Health Centre (RI-MUHC) have discovered that some cancer cells can draw blood from existing mature blood vessels, allowing them to continue spreading. This breakthrough could lead to more personalized treatment options and improve the lives of patients with colon cancer.
Researchers at McGill University Health Centre have discovered a new genetic mutation linked to osteonecrosis of the hip, which could allow for early diagnosis and treatment. The TRPV4 gene mutation was found to be common among affected family members and absent in unaffected ones.
A recent study by McGill University Health Centre researchers found that microglia can reduce the adverse changes to neural circuitry caused by chronic cocaine use. Microglia may be enticed to keep going by stimulating their production of TNF, which suppresses synaptic changes caused by cocaine.
A new study from McGill University Health Centre finds that newborn screening for cystic fibrosis results in better nutrition, fewer hospitalizations, and lower rates of infection. Children diagnosed through newborn screening are also diagnosed at an earlier age and benefit more from new treatments.
A team from McGill University Health Centre identified an outbreak of the intestinal parasite Cryptosporidium in Nunavik, Quebec. The strain was found to be Cryptosporidium hominis and had a significant impact on children under five years old, causing growth delays and difficulty at school.