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Tag: "arteries" at biology news

Emory Study Tests Bone Marrow Stem Cells to Improve Circulation in Legs

...provecirculation in patients with blockages in the arteries of their legs --a condition called peripheral vascular disease (PVD). Individuals with PVD have decreased blood flow to the muscles ofthe legs, especially during exercise, which causes pain, aching,cramping or fatigue in the muscles of their legs wh...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

...ation to your brain, while cells in your heart and arteries work just as hard to keep that brain alive. Every one of these cells -- and others throughout the body -- depends on an internal process called endocytosis to keep the flow of cellular nutrients and information healthy and strong. It's an incredibly...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

... in your gums, your lungs, your heart valves, your arteries causing disease.?/p> The next step will be to expose P. gingivalis to other oral pathogens to determine what interactions may exist that contribute to infection, he said. “This study is important in that we now have an understanding of the prote...

Scientists discover how fish evolved to float at different sea depths

...ea. The mechanism comprises of a complex system of arteries and veins, called the rete mirabile, and special blood proteins, which can release oxygen even at high oxygen concentrations. These systems drive oxygen from the blood into the swimbladder allowing the fish to float at different levels in the sea wi...

Rush Physicians Using Gene Therapy For Heart Patients With Moderate To Severe Chest Pains Who Do Not Benefit From Other Treatments

...y to place veins removed from the patient's leg or arteries taken from the patient's chest wall or arm to "bypass" the blocked blood vessels. While both of these treatments have been shown to be successful in relieving severe chest pains resulting from blocked arteries, a significant percentage of patients e...

Vascular structure and function improve with diet and exercise

...ormalities. The brachial (arm) and carotid (neck) arteries were tested for intima-media thickness and arteria...ls. The thicker and less distensible (elastic) the arteries are, the greater the load on the heart. This often results from changes in blood pressure, blood glu...

Polymers with copper show promise for implanted sensors

...th the polymers and implanted the sensors into the arteries of laboratory animals. "We always see an improvement in the accuracy of the sensors and fewer clots on the sensor surfaces when we use nitric oxide-releasing polymeric coatings," said Meyerhoff. However, those materials have some characteristics tha...

Molecule that usually protects infection-fighting cells may cause plaque deposits inside arteries

... might also contribute to fatty buildups that coat arteries and lead to heart disease, UT Southwestern Medical...here was marked presence of plaque deposits in the arteries following a diet of high-fat food. "This was dramatic evidence that showed suppressing AIM function...

Mystery Blood Vessel Disorder Implicated In 'Mini' Strokes

...anial arterial dolichoectasia, in which the larger arteries of the brain become elongated and misshapen. Typically, it has been considered a complication of atherosclerosis ("hardening of the arteries"), and not directly life-threatening. However, there is recent evidence that people with dolichoectasia are m...

Nano-bumps could help repair clogged blood vessels

...y have shown that "vascular stents" used to repair arteries might perform better if their surfaces contained "...are small metal scaffolds that are inserted inside arteries to prop them open during or after surgery to remove dangerous plaque deposits from the vessels. The ...

Columbia study shows widely used artery clearing device does not help patients during heart attack

...used procedure to remove fatty debris from blocked arteries during a heart attack does not improve patient out...evices were successful in removing debris from the arteries in angioplasties during heart attacks, but it showed that there was no benefit to the patient. "It'...

Newer imaging techniques may lead to over-treatment

...nologies allow physicians to visualize more of the arteries in the lungs, including detecting small blood clot...mbolism. It allows radiologists to see more of the arteries throughout the lungs, and to detect small clots in those arteries, said J. David Prologo, MD, chief ...

Redesigned protein accelerates blood clotting

...heoretically result in excessive clotting, blocked arteries and heart attacks in otherwise healthy people. In patients with hemophilia, however, enhanced clotting is desirable." ...

Researchers develop gene therapy to reverse pulmonary arterial hypertension

...eadly form of high blood pressure in the pulmonary arteries caused by uncontrolled cell growth. Therapies are ...so heavily expressed in both human and animal lung arteries with PAH. Survivin is an inhibitor of apoptosis--or programmed cell death--which promotes cancer by ...

Surgical Robot 'Scrubs In' At UNC, May Be More Precise Than Conventional Surgery

...emove cancerous prostates, bypass blocked coronary arteries and perform gastric bypass operations for morbid obesity. The new arrival is a robotic machine, the da Vinci Surgical System, manufactured by Intuitive Surgical. UNC currently is the only gynecological oncology program in the Southeast that is using...

Screen all at risk for HIV, plus pregnant women

...emove cancerous prostates, bypass blocked coronary arteries and perform gastric bypass operations for morbid obesity. The new arrival is a robotic machine, the da Vinci Surgical System, manufactured by Intuitive Surgical. UNC currently is the only gynecological oncology program in the Southeast that is using...

FDA: 'Highly Unlikely' Green Tea Lowers Cancer Risk

...emove cancerous prostates, bypass blocked coronary arteries and perform gastric bypass operations for morbid obesity. The new arrival is a robotic machine, the da Vinci Surgical System, manufactured by Intuitive Surgical. UNC currently is the only gynecological oncology program in the Southeast that is using...

Bone marrow stem cells may heal hearts even years after heart attacks

...t muscle or infusions of stem cells into key heart arteries soon after a heart attack. This study is the firs...report the results of stem cell infusions into the arteries of patients many months or years after a heart attack. The researchers harvested bone marrow from th...

Researchers learn how blood vessel cells cope with their pressure-packed job

...petitive stretching of endothelial cells that line arteries can make them healthy and resistant to vascular di...petitive stretching of endothelial cells that line arteries can make them healthy and resistant to vascular diseases. Bioengineering researchers at UCSD's Jaco...

University of Delaware researchers develop cancer 'nanobomb'

...ddition, cancers in some part of the body, such as arteries and veins, are sometimes considered inoperable. Nanobombs can be used to target any remaining cancerous cells and can be used in any part of the body, allowing the creation of nanobomb therapy for a wide variety of cancers. Panchapakesan said the ...

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(Date:10/16/2014)... William and Mary,s Virginia Institute of Marine Science ... Environmental Protection Agency to identify the streams and ... develop tools to help local governments and citizens ... critically on a dataset of tidal-marsh observations first ... with this historical baseline can today,s researchers accurately ...
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