Tag: "stroke" at biology news

New fossil found in Mongolia provides insight into the origin of living birds and the evolution of flight

...he down stroke. "This automated part of the flight stroke was thought to be present before the origin of fli...rs," Clarke said. "While other parts of the flight stroke were present in these other theropods, this part of the flight stroke is first clearly present only ...

Eating more fish and n3 fatty acids associated with reduced risk of stroke for women

Risk of thrombotic stroke decreased, especially among women who do not use a...is associated with a reduced risk of some types of stroke among middle-aged women, and primarily among women who do not take aspirin regularly, according to a...

Novel protein is both ion channel and enzyme

... member of the TRP family, said Clapham. "It was a stroke of luck because we worked on TRP channels anyway, and Loren didn't come at it from that angle, but from the kinase angle," he said. The scientists named the protein TRP-PLIK to reflect its dual function. A search of tissues for RNA that codes for TRP...

Gene study to unlock causes of stroke

...serve, but an enterprising study of the problem of stroke prevention has been rewarded with an important gra...00 Australians each year. As a cause of mortality, stroke sits just behind heart disease, but in terms of disability, stroke is the international leader, cost...

Study uncovers new contributor to brain damage, suggesting novel drug target

...other forms of acute nervous system injury such as stroke and spinal cord injury as well as in neurodegenerative diseases such as Alzheimers disease. "If the implications of this paper are correct, we predict that clusterin will play a role in brain injury models that include some form of caspase-independen...

Eating less may protect nerve cells

...iabetes, diet are known to influence the risk for stroke and other brain conditions. But in the study, aging had less of an effect when animals ate a low-calorie diet. The retinal model should be useful for exploring the effects on nerve cells of other risk factors for stroke, such as hypertension, smokin...

Increased awareness of stroke symptoms could dramatically reduce stroke disability

...tanders can play key role Only a fraction of stroke patients each year are getting to the hospital in ...ot, often because they do not know the symptoms of stroke or do not get to the hospital within the drugs 3-hour window of effectiveness. The National Institut...

Penn researchers explore the role of cell suicide in the development and treatment of cancer

...new hope that cell death can be prevented during a stroke or heart attack. It is Bax and Bak, however, that are essential in carrying out the disruption of mitochondria. Interestingly, Bax and Bak are also redundant, as either protein by itself is effective in triggering apoptosis. According to Thompson...

A new marker for schizophrenia?

...speed of information processing. In head injury or stroke patients, a higher S100 plasma concentration predicted a more unfavorable clinical outcome compared to patients with lower S100 levels. Transgenic mice with an overproduction of S100B showed significant learning deficits and behavioral problems simil...

Researchers discover new route to high blood pressure

...s," said Lifton. "That was an incredibly fortunate stroke of luck, without which we would still be searching." A search of a human genome database revealed that the disease-causing deletion lay within a gene called WNK1, which is expressed at high levels in the kidney, heart and skeletal muscle. The WNK1 ge...

Vaccination following spinal cord injury: Innovative Weizmann Institute approach limits paralysis

...r disorders of the central nervous system, such as stroke or traumatic brain injury....

Estrogen doesnt prevent second strokes: protective effects of hormone replacement therapy challenged

...ne replacement therapy does not reduce the risk of stroke or death in postmenopausal women who have already had a stroke or a transient ischemic attack (TIA), according to a report from the first randomized, controlled cl...

Cells from human umbilical cord blood help rats recover from stroke faster, new study finds

TAMPA, Fla (Nov. 5, 2001) Rats that suffered from stroke recovered much of their neurological function quic... migrated to the areas of the brain injured by the stroke and improved the rats' motor and sensory abilities, even when administered a week after the onset of...

Holiday fruit ranks number one in antioxidants

...educe the risk of chronic diseases such as cancer, stroke and heart disease. The study is scheduled to appear in the November 19 issue of the Journal of Agricultural and Food Chemistry, a peer-reviewed journal of the American Chemical Society, the worlds largest scientific society. It was published in the...

Brain researchers discover bright side of ill-famed molecule

...ic connections that have been destroyed by injury, stroke or neurodegenerative diseases like Alzheimer's. A clue to the existence of a synaptogenic factor came from a study that Dr. Frank Pfrieger, presently leader of a bilateral research group of the Max-Planck Society and the Centre National de Recherche ...

Mice with human protein, COX-2, exhibit age-related memory loss similar to Alzheimer's disease

...lly to prevent memory loss or damage from aging or stroke or disease," she says. "The possibility would exi...ing shows that the area of the brain affected by a stroke is much larger in mice with extra COX-2, but importantly, the study also shows it might be possible ...

Study shows that aspirin and warfarin are equally effective for stroke prevention

...o date comparing aspirin to warfarin for recurrent stroke prevention. The study was sponsored by the Nation...ved in the final stages of the most common type of stroke due to blockage of the vessels that supply oxygen-rich blood to the brain. Aspirin affects the blo...

Stanford engineer studies neural prosthetics

...o any part of that chain, such as a spinal injury, stroke or neurodegenerative disease, can make even the simplest tasks impossible. In a new study, Stanford engineer Krishna Shenoy and a group of researchers at Caltech have shown that at least some links in that chain can be dramatically bypassed. The stud...

Women more susceptible to orthostatic hypotension

... reductions in venous return leading to diminished stroke volume (SV) and cardiac output (Qi). To maintain blood pressure, the reduction in SV must be compensated for by reflex mechanisms that increase total peripheral resistance (TPR). Otherwise, blood pressure falls, leading to cerebral hypoperfusion and ...

Study of key enzyme sheds new light on programmed cell death and may lead to new drugs for reducing the severity of stroke

...ont in the battle to find effective treatments for stroke and cancer. Scientists at Vanderbilt University an...window of unmet need" for therapeutics following a stroke or brain injury. During this period, which can last from hours to days, neurons continue to die, add...

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