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Strokes in Biological News

Stroke study reveals key target for improving treatment and suggests that Gleevec may help

... Such clots cause 80 percent of the 15 million strokes that occur each year worldwide. Five million ... and 5 million more are permanently disabled, by strokes each year, according to the World Health ... as a preventive agent. First, they induced strokes in the mice, then gave some of the mice a dose of ...

Even low levels of air pollution may pose stroke risk

... In the study, researchers identified ischemic strokes and transient ischemic attacks (TIA), sometimes called mini strokes but that often lead to a stroke later. Ischemic ... surveillance project designed to capture all strokes in Nueces County, Texas. Ischemic stroke and TIA ...

Yale researchers unravel mystery of brain aneurysms

... screening tests to identify hundreds of thousands of people at risk for strokes caused by bleeding and point to new therapies that might be able to ... there are no warning signs. In the majority of cases, the resulting strokes cause death or severe brain damage. Without an understanding of the cause ...

Where optics meets medicine

... has occurred, yet clinical research has shown that the more of these small strokes an individual has, the more precipitous their cognitive decline will be as ... Schaffer have developed an animal model for looking at the effect of small strokes in the tiny venules in the brain of rodents. They are using a powerful ...

Can micro-scaffolding help stem cells rebuild the brain after stroke?

... tiny scaffolding into the brain could dramatically reduce damage caused by strokes the UK National Stem Cell Network Annual Science Meeting will hear today. ... with neural stem cells (NSCs) could regenerate lost brain tissue. strokes cause temporary loss of blood supply to the brain which results in areas ...

Scientists ask whether microscaffolding can help stem cells rebuild brain after stroke damage

... tiny scaffolding into the brain could dramatically reduce damage caused by strokes the UK National Stem Cell Network Annual Science Meeting will hear today ... with neural stem cells (NSCs) could regenerate lost brain tissue. strokes cause temporary loss of blood supply to the brain which results in areas ...

1/3 of risk for dementia attributable to small vessel disease, autopsy study shows

... this small vessel damage is the cumulative effect of multiple small strokes caused by hypertension and diabetes, strokes so small that the person experiences no sensation or problems until the ...

NIH stimulus funding supports Emory biomedical scientists

... and other clotting disorders: If your blood has trouble clotting, you might have hemophilia. If it clots too easily, embolisms, heart attacks or strokes can occur. Understanding blood-clotting proteins can improve treatments for inherited hemophilia and cardiovascular disease. This study looks at one ...

Study by NTU professors provides important insight into apoptosis or programmed cell death

... for example, in cancer and leukemia. When apoptosis works overly well, it kills too many cells and inflicts grave tissue damage. This is the case in strokes and neurodegenerative disorders such as Alzheimer, Huntington and Parkinson diseases. While it is established that cells undergo apoptosis when ...

The science of hammering

... When it comes to something as simple as hammering a nail, some people are naturals and get the job done after a few clean, sharp strokes of the hammer, whereas for the rest of us a similar challenge is likely to end up with the nail bent in the middle, a sore thumb and a wounded pride. ...

Single gene defect can cause stroke, other artery diseases

... vascular disease, helping to rule out other genetic or environmental causes. In four families, members younger than age 20 suffered a stroke and five strokes resulted from Moyamoya disease, a rare stroke disease in which the internal carotid arteries become occluded. The main function of smooth muscle ...

Is it really only our kidneys that control blood pressure?

... The problem of high blood pressure has reached pandemic proportions, causing premature death through heart attacks, strokes and kidney disease in a third of the UK population. For decades, scientists have battled at length over its cause yet still cannot agree; is the ...

Stem cells replace stroke-damaged tissue in rats

... Effective stem cell treatment for strokes has taken a significant step forward today (09 March) as scientists reveal how they have replaced stroke-damaged brain tissue in rats. The team of ...

Study helps explain connection between sleep apnea, stroke and death

... to a new study published by The American Physiological Society. The findings may help explain why people with sleep apnea are more likely to suffer strokes and to die in their sleep. Sleep apnea is the most commonly diagnosed condition amongst sleep-related breathing disorders and can lead to ...

Gene therapy corrects sickle cell disease in laboratory study

... red blood cells to tend to deform, clump and break apart. The resulting clogged blood vessels can lead to cognitive dysfunction by causing small strokes in the brain and cause damage to kidneys, liver, spleen and lungs. The only permanent cure for the disease is a bone marrow transplant to give ...

Mechanisms of cardiovascular disease and cancer give clues to new therapies

... Cardiovascular conditions leading to heart attacks and strokes are treated quite separately from common cancers of the prostate, breast or lung, but now turn out to involve some of the same critical mechanisms at ...

Small satellite takes on large thunderstorms

... upper atmosphere. These events may occur much more often than realized and may be associated with a significant fraction of the roughly 60 lightning strokes per second that occur worldwide. They could have a large effect on the upper atmosphere and near-Earth space, scientists say. Build-up of electric ...

Damage inflicted during cardiac attacks more widespread, MSU researchers find

... cardiology section, is leading innovative research into the role that the crystallization and expansion of cholesterol play in heart attacks, strokes and other cardiovascular events in humans. He presented his latest research this week at the American Heart Association's Scientific Sessions ...

Racial disparities in cardiovascular health linked to birth weight, slavery

... By synthesizing this new evidence, they argue that social forces, rather than genes, may underlie the problem of racial inequity in heart attacks and strokes in the U.S. In a related editorial in the journal, Peter Ellison, Editor-in-Chief, explains that some of the most persistent health disparities in ...

Experts meet on need for new rules to govern world's fragile polar regions

... developments in biotechnology. "The neural stem cells of Arctic squirrels for example offer interesting new possibilities for the treatment of strokes in humans, while some Arctic fish species have already yielded new interesting enzymes useful in industrial and manufacturing processes." "But can ...

Gene is likely cause of stroke-inducing vascular malformations

... to hemorrhagic rupture, bleeding and stroke. Because they develop most often in growing tissues, BAVMs are responsible for half of the hemorrhagic strokes in children. Study findings were published in a recent issue (Aug. 5, 2008) of the Proceedings of the National Academy of Sciences . The ...

Battling diabetes with beta cells

... Affecting eight percent of America's population, diabetes can lead to blindness, kidney failure, strokes and heart disease. Thanks to Tel Aviv University researchers, a new cure based on advances in cell therapy may be within reach. Prof. Shimon ...

'Top Secret' Technology To Help U.S. Swimmers Trim Times at Beijing Olympics

... the past several months incorporating what they have learned into their training regimes. For any swimmer, it takes time to make adjustments to their strokes and practice new techniques, Wei said. One highlight of working on the project was when Mark arranged for Wei to attend the 2007 and 2008 U.S. ...

'Top secret' technology to help US swimmers trim times at Beijing Olympics

... the past several months incorporating what they have learned into their training regimes. For any swimmer, it takes time to make adjustments to their strokes and practice new techniques, Wei said. One highlight of working on the project was when Mark arranged for Wei to attend the 2007 and 2008 U.S. ...

Robotics research: Enhancing the lives of people with disabilities

... the human body, to improve the performance of external assistive devices, called orthoses, which aid individuals with physical disabilities, such as strokes or major spinal cord injuries, regain the use of there arms and legs. The project is funded through the National Science Foundation Computer, ...

American Chemical Society's Weekly PressPac -- July 30, 2008

... hidden paint layers. As a result, the scientists could construct a clearer and more colorful image of the hidden head. The image even includes brush strokes and facial features such as eyes, nose, mouth, and chin. The reconstructed image shows the dark, somber-head of a Dutch peasant woman, similar to a ...

New discoveries from Harvard and Baylor get to the heart of cardiovascular disease

... in the United States and the third leading cause of death. By reducing the incidence of atherosclerosis, the risk of fatal heart attacks or strokes would decrease significantly. ...

Study finds possible connection between marijuana abuse and stroke or heart attacks

... Long-term harmful effects of marijuana (MJ) include risk for heart attacks and strokes in addition to impaired learning and memory. The active chemical in MJ called delta-9-tetrahyrdocannabinol (THC) is believed to exert these effects ...

High blood pressure in older adults traced to gene's effects in blood vessels

... to high blood pressure. The disease process eventually makes conditions in vessels ripe for the creation of blockages that can cause heart attacks, strokes and circulatory problems. The finding in a study led by Ohio State University researchers might lead to new therapeutic options for high blood ...

Physician-scientist urges improved drug regulation to ensure heart safety of non-heart drugs

... effects should begin in the earliest phases of drug testing in patients. The definitions of adverse cardiovascular events like heart attacks and strokes should be standardized for all observers before the drug is administered to any patient. (Currently, for drugs not intended for heart problems, ...

Blood pressure drug telmisartan shows powerful activity against stroke

... Specifically, 83 percent of rats given no medication showed signs of stroke, as did 56 percent of rats given ramipril alone. However, no strokes were noted in the telmisartan-only or the telmisartan/ramipril combo groups. Telmisartan's ability to easily pass through the blood-brain barrier ...

American Chemical Society's Weekly PressPac -- Nov. 7, 2007

... other compounds from dragon's blood inhibited blood clotting, suggesting their potential use in the prevention of the blood clot responsible for some strokes and most heart attacks, the scientists say. ARTICLE #2 FOR IMMEDIATE RELEASE Anti-Helicobacter pylori and thrombin Inhibitory Components from ...

OHSU turns innovations into commercial opportunities at record pace

... His most recent venture, Revitus, was focused on developing two novel extended-release drug compounds for preventing heart attacks, thrombotic strokes and death in patients who are at risk of adverse cardiovascular events. Revitus was acquired earlier this year by BioVascular, Inc., a privately held ...

$22 million gift from Alfred Taubman launches new biomedical research institute

... who studies proteins involved in preventing the formation of clots inside blood vessels, which could lead to a new class of drugs to prevent strokes and heart attacks. Dr. Pinsky is also chief of the Division of Cardiovascular Medicine, the Ruth Professor of Internal Medicine, and a director of ...

New research shows big improvement in survival after stroke

... and New Zealand. In New Zealand, over 7,600 strokes occur each year, while over 53,000 strokes take place in Australia per annum. However, ... declines in the rate of stroke, the number of strokes occurring is expected to rise, with the ageing of ...

Aspirin reduces cardiovascular risks in men and women -- but differently

... small number of heart attacks among women and strokes among men suggest that more research is needed to ... the 51,342 women in the analysis, there were 625 strokes and 469 heart attacks. Among the 44,114 men, there were 597 strokes and 1,023 heart attacks. However, the routine ...

Mystery Blood Vessel Disorder Implicated In 'Mini' Strokes

... disease, a significant cause of lacunar or "mini" strokes that can damage small areas of the brain. Depending on which area of the brain is affected, the strokes can impair functions such as movement, physical ... of speech, or coordination. Multiple lacunar strokes can also cause cognitive and memory deficits that ...

Robotic therapy helps restore hand use after stroke

... disability in the United States. More than 700,000 Americans suffer strokes annually. Stroke is the third leading cause of death in the country. And ... disabilities than any other disease. Nearly three-quarters of all strokes occur in people over the age of 65 and the risk of having a stroke more ...

Incidence of stroke decreases over last 50 years

... continues to be a major public health concern, with more than 750,000 new strokes occurring each year in the United States. It is the third leading cause of ... in men, perhaps due to an older age at onset of stroke and more severe strokes in women. These sobering trends emphasize that while improved control of ...
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