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Tag: "vascular" at biology news

Taipan venom no snake oil

...t Pierre to rapidly stop excessive bleeding during vascular surgery and major trauma. The genetic code for the toxin, Factor X (Factor Ten), was identified by PhD researcher Liam St Pierre from QUT's School of Life Sciences who studied the venom of eight of Australia's deadliest land snakes for their therape...

Use of amino acid supplement following a heart attack provides no benefit, may be harmful

...uggest that L-arginine has the potential to reduce vascular (blood vessel) stiffness. Steven P. Schulman, M.D...heart attack) over a 6-month period would decrease vascular stiffness and improve ejection fraction (a measure of how much blood the left ventricle of the heart...

Possible brain hormone may unlock mystery of hibernation

...ctive program might be exploited in transplant and vascular surgery. Scientists have suggested that hibernation therapy might effectively preserve donor organs for weeks or months. Hibernation has also been found to protect animals from a wide range of potential threats, from muscle disuse to cancer, the stu...

Little known DNA repair enzyme may be a tumor suppressor gene

...uggest that L-arginine has the potential to reduce vascular (blood vessel) stiffness. Steven P. Schulman, M.D...heart attack) over a 6-month period would decrease vascular stiffness and improve ejection fraction (a measure of how much blood the left ventricle of the heart...

An elephant tail

...uggest that L-arginine has the potential to reduce vascular (blood vessel) stiffness. Steven P. Schulman, M.D...heart attack) over a 6-month period would decrease vascular stiffness and improve ejection fraction (a measure of how much blood the left ventricle of the heart...

Proteins spur diabetic mice models to grow blood vessels, nerves

...rful new therapy for treating diabetes, peripheral vascular disease, and other illnesses out of the test tube ...k in animals. The researchers tested netrins and vascular endothelial growth factor (VEGF), a gene-based therapy in Phase 2 clinical trials, in mice. They use...

Cincinnati surgeons report new treatment for often-fatal injury

...h Giglia, MD, interim director of UC's division of vascular surgery, and his team in the March edition of Anna...f the body. The endografts are regularly used in vascular surgery to treat aneurysms in the abdomen, Dr. Giglia explains, but they are too short to fully brid...

Epidemic of unneeded amputations

...lockages related to diabetes, smoking, obesity and vascular system complications ?are occurring at an alarming...irst amputation. In advanced stages of peripheral vascular disease (PVD), common in diabetics, plaque blocks arteries, resulting in rest pain, development of f...

Device effective in zapping the pain out of migraines

...iously believed that migraine headaches start with vascular constriction, which results in an aura, followed by vascular dilation that will lead to a throbbing headache. However, in the late 1990s it was instead suggested...

High estrogen levels associated with dementia in older men

...en developed Alzheimer's disease, and 44 developed vascular dementia. The researchers used Cox regression analyses, adjusting for age and other covariates, to see if hormone levels were associated with risk of developing dementia "Levels of bioavailable testosterone were not associated with risk of cognitiv...

Stanford doctors advance in bid to turn mice stem cells into blood vessels

...with cardiovascular disease, the need for arterial vascular grafts continues to grow. In 2002, there were 1.5 ...ity of biomechanical stresses and strains that the vascular system experiences in everyday life when you simply get up and walk around the block." The computer-...

Heart has enough oxygen to survive hypothermia, CPR crucial

...e oxygen supply, reperfuse (restore blood flow to) vascular beds (minute blood vessels) and prevent rewarming shock formation," the authors wrote Source and funding "Is oxygen supply a limiting factor for survival during rewarming from profound hypothermia?" by Timofei V. Kondratiev, Kristina Flemming, ...

New GI technologies improve internal organ visualization

...n the Vascular System [Abstract W1321] The human vascular system represents a unique highway that allows acc...e ability to safely intervene, diagnose, and treat vascular abnormalities with minimally-invasive techniques represents significant advances in the practice of ...

Scientists discover why cornea is transparent and free of blood vessels, allowing vision

... The immune system sends in growth factors such as vascular endothelial growth factor (VEGF) to bind with a protein receptor called VEGFR-2 on blood vessels to trigger vessel growth. Three forms of VEGF--A, C, and D--bind with this receptor. Two of them, C and D also bind with VEGFR-3, which is usually found...

Schepens scientists are first to discover angiogenesis switch inside blood vessel cells

...olves the action of growth factors such as VEGF or vascular endothelial growth factor. While effective in preventing vessel growth, these drugs have little impact on existing, stable vessels," he says. "Our discovery may help design drugs that could dismantle existing vessels by targeting this switch inside t...

Natural vitamin E tocotrienol reaches blood at protective levels

...nce of homocysteic acid, which in excess can cause vascular and neuronal lesions associated with cardiovascular disease, and the fatty acid linoleic acid, which can directly stimulate damaging free radical activity. Fatty acids are related to stroke: They rapidly accumulate when a clot in a vessel stops blood...

Natural pine bark extract relieves muscle cramp and pain in athletes and diabetics

...denominator responsible for impaired blood flow in vascular disease." Strenuous exercise is known to involve muscle damage which may be followed by symptoms of inflammation. In separate studies published this year and in 2004 and 2005, Pycnogenol demonstrated its anti-inflammatory effects in clinical trials ...

Variations in detoxifying genes linked to Lou Gehrig's disease

...y been associated with other neurodegenerative and vascular disorders, including Alzheimer's disease, Parkinson's disease, coronary artery disease and stroke. Although the Northwestern DNA study samples were not analyzed for inclusion of Gulf War veterans, Siddique and co-researchers found significant evide...

'Molecular assassin' targets disease gene

...ber of areas involving inflammation and aggressive vascular growth. "Our experimental drug, Dz13, is like a secret agent that finds its target, c-Jun, within the cell and destroys it," he said. "It is a specific, pre-programmed 'molecular assassin'." The paper in Nature Biotechnology shows the potential of...

New angiogenesis finding may help fight cancer growth

...enesis in four ways. It prevents the production of vascular endothelial growth factor (VEGF), a key stimulator...NK-B are responsible for or contribute to impaired vascular development/function and certain symptoms of preeclampsia." According to the Preeclampsia Foundation...

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