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Life Sciences
Results 161 - 180 of 186.
Listening to favourite music improves brain function in Alzheimer’s patients: University of Toronto research
Repeated listening to personally meaningful music induces beneficial brain plasticity in patients with mild cognitive impairment or early Alzheimer's disease, a new study by researchers at the University of Toronto and Unity Health Toronto suggests. Changes in the brain's neural pathways correlated with increased memory performance on neuropsychological tests, supporting the clinical potential of personalized, music-based interventions for people with dementia.
Repeated listening to personally meaningful music induces beneficial brain plasticity in patients with mild cognitive impairment or early Alzheimer's disease, a new study by researchers at the University of Toronto and Unity Health Toronto suggests. Changes in the brain's neural pathways correlated with increased memory performance on neuropsychological tests, supporting the clinical potential of personalized, music-based interventions for people with dementia.
Mitigating for angle, ’torque’ of impact key to safer hockey helmets: study
Like most sports technology, hockey helmets have evolved exponentially over the past 50 years. Gone are the days of the "egg shell" helmets worn by NHL superstars like Wayne Gretzky and Michel Goulet in the 1970s and 1980s. As the primary piece of equipment used to protect hockey players (professional or amateur) from concussions and other brain injuries, researchers at Western University say it is vitally important to continue improving the quality of hockey helmets.
Like most sports technology, hockey helmets have evolved exponentially over the past 50 years. Gone are the days of the "egg shell" helmets worn by NHL superstars like Wayne Gretzky and Michel Goulet in the 1970s and 1980s. As the primary piece of equipment used to protect hockey players (professional or amateur) from concussions and other brain injuries, researchers at Western University say it is vitally important to continue improving the quality of hockey helmets.
How to turn specific genes on and off
Type 1 diabetes, rheumatoid arthritis, and cancer are just some of the disorders associated with specific genes not "turning on" and "turning off" as they should. By using new CRISPR/Cas9 genome editing technology, in a recent paper , McGill researchers have described a new technique that scientists across the world can potentially use to explore novel ways of treating diseases associated with dysregulation in DNA methylation.
Type 1 diabetes, rheumatoid arthritis, and cancer are just some of the disorders associated with specific genes not "turning on" and "turning off" as they should. By using new CRISPR/Cas9 genome editing technology, in a recent paper , McGill researchers have described a new technique that scientists across the world can potentially use to explore novel ways of treating diseases associated with dysregulation in DNA methylation.
Heatwaves like ’the Blob’ could decrease role of ocean as carbon sink
Science, Health & Technology Alex Walls Researchers have found the two-year heatwave known as 'the Blob' may have temporarily dampened the Pacific's 'biological pump,' which shuttles carbon from the surface ocean to the deep sea where it can be stored for millennia. Canadian and European researchers, in collaboration with the U.S. Department of Energy Joint Genome Institute, conducted a large-scale study of the impact of one of the largest marine heatwaves on record - colloquially known as the Blob - on Pacific Ocean microorganisms.
Science, Health & Technology Alex Walls Researchers have found the two-year heatwave known as 'the Blob' may have temporarily dampened the Pacific's 'biological pump,' which shuttles carbon from the surface ocean to the deep sea where it can be stored for millennia. Canadian and European researchers, in collaboration with the U.S. Department of Energy Joint Genome Institute, conducted a large-scale study of the impact of one of the largest marine heatwaves on record - colloquially known as the Blob - on Pacific Ocean microorganisms.
Nature’s strongest glue now works in wet AND salty environments
Microbiology professor Yves Brun and his team explain the mechanism that allows the world's most powerful bioadhesive to stick to things like pipes and even ocean water. Université de Montréal microbiologist Yves Brun made the discovery several years ago: an aquatic bacterium called Caulobacter crescentus produces an extremely powerful glue that adhere to its surrounding wet surfaces, such as pipes and fresh water.
Microbiology professor Yves Brun and his team explain the mechanism that allows the world's most powerful bioadhesive to stick to things like pipes and even ocean water. Université de Montréal microbiologist Yves Brun made the discovery several years ago: an aquatic bacterium called Caulobacter crescentus produces an extremely powerful glue that adhere to its surrounding wet surfaces, such as pipes and fresh water.
University of Toronto researchers create mirror-image peptides that can neutralize SARS-CoV-2
Researchers at the University of Toronto have created chemical compounds that can neutralize SARS-CoV-2 and several of its variants. In a recent paper published in the Journal of Medicinal Chemistry , the researchers report the creation of D-peptides that neutralize the virus and stop infection of cultured human cells.
Researchers at the University of Toronto have created chemical compounds that can neutralize SARS-CoV-2 and several of its variants. In a recent paper published in the Journal of Medicinal Chemistry , the researchers report the creation of D-peptides that neutralize the virus and stop infection of cultured human cells.
Fish consumption still safe despite initial fears over mercury levels
Mercury exposure in people may be low even when it is sometimes present in elevated levels in traditional foods. The benefits of consuming traditional foods tend to outweigh the risks of possible mercury contamination, according to a recent study. The research, which was part of a larger biomonitoring project to address community concerns about environmental contaminants in traditional foods, such as fish, also found that mercury exposure in people may be low even when it is sometimes present in elevated levels.
Mercury exposure in people may be low even when it is sometimes present in elevated levels in traditional foods. The benefits of consuming traditional foods tend to outweigh the risks of possible mercury contamination, according to a recent study. The research, which was part of a larger biomonitoring project to address community concerns about environmental contaminants in traditional foods, such as fish, also found that mercury exposure in people may be low even when it is sometimes present in elevated levels.
University of Toronto researchers’ lab-grown muscles used to study Duchenne muscular dystrophy, develop treatments
Inside a Petri dish in a lab at the University of Toronto is a muscle - made from scratch using human stem cells - that has Duchenne muscular dystrophy (DMD). To study the biological properties of DMD, a degenerative muscle disorder that mainly affects males, University of Toronto researchers obtained cell lines from people living with the condition and used them to create miniature muscles in a dish. Now, they're helping other researchers and industry partners develop and test new treatments that may help the boys and young men who are afflicted with DMD.
Inside a Petri dish in a lab at the University of Toronto is a muscle - made from scratch using human stem cells - that has Duchenne muscular dystrophy (DMD). To study the biological properties of DMD, a degenerative muscle disorder that mainly affects males, University of Toronto researchers obtained cell lines from people living with the condition and used them to create miniature muscles in a dish. Now, they're helping other researchers and industry partners develop and test new treatments that may help the boys and young men who are afflicted with DMD.
Identified: the gene behind an unusual form of Cushing’s Syndrome
The molecular causes of a particular type of food-dependent Cushing's Syndrome, a rare disease of the adrenal glands, are finally revealed through a Canada-France research project. A team of scientists in Montreal and Paris has succeeded in identifying the gene responsible for the development of a food-dependent form of Cushing's Syndrome, a rare disease affecting both adrenal glands.
The molecular causes of a particular type of food-dependent Cushing's Syndrome, a rare disease of the adrenal glands, are finally revealed through a Canada-France research project. A team of scientists in Montreal and Paris has succeeded in identifying the gene responsible for the development of a food-dependent form of Cushing's Syndrome, a rare disease affecting both adrenal glands.
How bacteria create a piggy bank for the lean times
Bacteria can store extra resources for the lean times. It's a bit like keeping a piggy bank or carrying a backup battery pack. One important reserve is known as cyanophycin granules, which were first noticed by an Italian scientist about 150 years ago. He saw big, dark splotches in the cells of the blue-green algae (cyanobacteria) he was studying without understanding either what they were or their purpose.
Bacteria can store extra resources for the lean times. It's a bit like keeping a piggy bank or carrying a backup battery pack. One important reserve is known as cyanophycin granules, which were first noticed by an Italian scientist about 150 years ago. He saw big, dark splotches in the cells of the blue-green algae (cyanobacteria) he was studying without understanding either what they were or their purpose.
Heartbeats to music, motivation and stress, and COVID-19 vaccines
Health Rhythms of music and heartbeats When you listen to or perform music, you may notice that you move your body in time with the music. You may also synchronise to music in ways that you may not be aware of, such as your heartbeats. Scientists from McGill, led by Caroline Palmer , the Canada Research Chair in Cognitive Neuroscience of Performance, investigated how musicians' heart rhythms change when they perform familiar and unfamiliar piano melodies at different times of day.
Health Rhythms of music and heartbeats When you listen to or perform music, you may notice that you move your body in time with the music. You may also synchronise to music in ways that you may not be aware of, such as your heartbeats. Scientists from McGill, led by Caroline Palmer , the Canada Research Chair in Cognitive Neuroscience of Performance, investigated how musicians' heart rhythms change when they perform familiar and unfamiliar piano melodies at different times of day.
Expert Q&A: Sea otters boost genetic diversity of eelgrass meadows
A unique interaction between sea otters and the flowing plant known as eelgrass has researchers looking closer at the co-evolution of the two species. In a paper published today in the journal Science , University of Victoria geography PhD graduate, Erin Foster, explains how the digging activities of sea otters disturbs eelgrass beds, which in turn leads to greater genetic plant diversity.
A unique interaction between sea otters and the flowing plant known as eelgrass has researchers looking closer at the co-evolution of the two species. In a paper published today in the journal Science , University of Victoria geography PhD graduate, Erin Foster, explains how the digging activities of sea otters disturbs eelgrass beds, which in turn leads to greater genetic plant diversity.
University of Toronto, Sunnybrook researchers deliver ultrasound-guided cancer therapy to the brain
Researchers at Sunnybrook Health Sciences Centre and the University of Toronto have demonstrated the safe delivery of an antibody therapy across the blood-brain barrier using MRI-guided focused ultrasound. The research team captured images of Trastuzumab, an antibody therapy drug, precisely targeting tumours that spread to the brain from breast cancer across the blood-brain barrier.
Researchers at Sunnybrook Health Sciences Centre and the University of Toronto have demonstrated the safe delivery of an antibody therapy across the blood-brain barrier using MRI-guided focused ultrasound. The research team captured images of Trastuzumab, an antibody therapy drug, precisely targeting tumours that spread to the brain from breast cancer across the blood-brain barrier.
No apparent shortage of prey for southern resident killer whales in Canadian waters during summer
A statement from Dr. Andrew Trites from the Marine Mammal Research Unit A popular belief that there are fewer Chinook salmon during the summer in Canadian waters for southern resident killer whales, compared to an abundance of fish for northern resident killer whales, has been debunked by a study led by scientists at the University of British Columbia.
A statement from Dr. Andrew Trites from the Marine Mammal Research Unit A popular belief that there are fewer Chinook salmon during the summer in Canadian waters for southern resident killer whales, compared to an abundance of fish for northern resident killer whales, has been debunked by a study led by scientists at the University of British Columbia.
Cloaking technology: Helping therapeutic cells evade your immune system
Stem cell pioneer Andras Nagy has a way of describing the work of your immune system: "It's surveillance inside our body." That surveillance does us good when harmful bacteria or viruses enter our body. The immune system releases fighter cells to kill the invaders. But regenerative medicine therapies often involve transplanting tissues or cells into a person.
Stem cell pioneer Andras Nagy has a way of describing the work of your immune system: "It's surveillance inside our body." That surveillance does us good when harmful bacteria or viruses enter our body. The immune system releases fighter cells to kill the invaders. But regenerative medicine therapies often involve transplanting tissues or cells into a person.
University of Toronto research may help explain children’s immune response to COVID-19
Researchers at the University of Toronto have found that immune cells from the upper respiratory tracts of children, taken years before the pandemic began, react with the virus that causes COVID-19. The findings hint at a possible reason why children with COVID-19 are often asymptomatic or have mild symptoms, while many adults experience severe disease and even death.
Researchers at the University of Toronto have found that immune cells from the upper respiratory tracts of children, taken years before the pandemic began, react with the virus that causes COVID-19. The findings hint at a possible reason why children with COVID-19 are often asymptomatic or have mild symptoms, while many adults experience severe disease and even death.
Staying young, from the cells on up
Scientists in Montreal discover a new enzymatic complex that can stop cells from aging, opening the way to possible new cancer therapies. Researchers at Université de Montréal and McGill University have discovered a new multi-enzyme complex that reprograms metabolism and overcomes "cellular senescence," when aging cells stop dividing.
Scientists in Montreal discover a new enzymatic complex that can stop cells from aging, opening the way to possible new cancer therapies. Researchers at Université de Montréal and McGill University have discovered a new multi-enzyme complex that reprograms metabolism and overcomes "cellular senescence," when aging cells stop dividing.
University of Toronto researchers to study effects of genetic variation on health
Scientists at the University of Toronto's Donnelly Centre for Cellular and Biomedical Research have received $1.9 million to shed light on how variation in our genomes affects disease risk and severity in a bid to improve interpretation of personal genome information. A joint study by teams in Toronto and Boston will investigate how variation at the DNA level affects the function of encoded proteins.
Scientists at the University of Toronto's Donnelly Centre for Cellular and Biomedical Research have received $1.9 million to shed light on how variation in our genomes affects disease risk and severity in a bid to improve interpretation of personal genome information. A joint study by teams in Toronto and Boston will investigate how variation at the DNA level affects the function of encoded proteins.
Cavities in 54-million-year-old fossils
Researchers at the University of Toronto have discovered what are believed to be the oldest known cavities found in a mammal - the likely result of a diet that included eating fruit. The cavities were discovered in fossils of Microsyops latidens, a pointy-snouted animal - no bigger than a racoon - that was part of a group of mammals known as stem primates.
Researchers at the University of Toronto have discovered what are believed to be the oldest known cavities found in a mammal - the likely result of a diet that included eating fruit. The cavities were discovered in fossils of Microsyops latidens, a pointy-snouted animal - no bigger than a racoon - that was part of a group of mammals known as stem primates.
Freshwater ecosystems at risk due to glyphosate use
One of the few species that was found to be resistant to severe glyphosate contamination was Scapholeberis mucronata, a freshwater zooplankter commonly found in Québec and elsewhere in North America. CREDIT: Marie-Pier Hébert A series of recent research papers from a McGill-led team has found that the herbicide glyphosate-commonly sold under the label Roundup-can alter the structure of natural freshwater bacterial and zooplankton communities.
One of the few species that was found to be resistant to severe glyphosate contamination was Scapholeberis mucronata, a freshwater zooplankter commonly found in Québec and elsewhere in North America. CREDIT: Marie-Pier Hébert A series of recent research papers from a McGill-led team has found that the herbicide glyphosate-commonly sold under the label Roundup-can alter the structure of natural freshwater bacterial and zooplankton communities.
Research management - Mar 27
University of Toronto scores top marks in QS World University Rankings by Subject
University of Toronto scores top marks in QS World University Rankings by Subject

Event - Mar 27
In photos: New Canadians take citizenship oath at University of Toronto Mississauga-hosted ceremony
In photos: New Canadians take citizenship oath at University of Toronto Mississauga-hosted ceremony
