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Tag: "heart" at biology news

Association of herpesvirus with lung disorder questioned

...t by vascular lesions in the lung, and may lead to heart failure. Some cases are associated with genetic susceptibility, the investigators noted, but the pathogenesis of most cases is not known. Dr. Katano and colleagues conducted their research using a design similar to that in the earlier study: a retro...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...erol and triglycerides and increases one's risk of heart disease and certain cancers. In the Jan. 28 issue..." the mechanism, decreasing cholesterol levels and heart disease risk, explained Spiegelman, who is also a professor of cell biology at Harvard Medical Schoo...

W.M. Keck Foundation funds study of friendly microbes

...and obesity-related disorders such as diabetes and heart disease. Unfortunately, comprehensive analysis of the composition and functions of these microbial communities, in health and in disease, has been hampered because the majority of gut bacteria are difficult or impossible to grow and study outside of...

Lack of enzyme turns fat cells into fat burners

...ing down using water) fat, and passingit on to the heart and muscle because there is an increase in oxidationof fat in those organs. It also starts oxidizing glucose. In otherwords, the adipose tissue is becoming a little more oxidative and lessinvolved in the synthesis and storage of fat. We feel this con...

Newly discovered virus linked to childhood lung disorders and Kawasaki disease

...Kawasaki disease, the most commoncause of acquired heart disease in children in developed countries. In th... classic signs of Kawasaki disease. In addition to heart disease,the signs can include conjunctivitis, redness of the mouth or throat,rash, redness or swelli...

HIV Patients May Be at Risk of Heart Problems When Taking Protease Inhibitor Drugs

...g to AIDS may cause serious and potentially lethal heart rhythm disturbances in some patients. The finding ...peutic benefits are still greater than the risk of heart problems linked to their use. They urge physicians to apply this new finding by following their pati...

Iron Deficiency Sparks Dramatic Changes In Gene Expression

...fatigue,weakness and cognitive deficits to serious heart complications anddevelopmental disorders. Iron deficiency also contributes to thepathology of hereditary blood disorders, Parkinson's disease andcertain cancers and develops during a number of chronic diseases, theresearchers said.Until now, however,...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...e functioning gene and correct glycogen buildup in heart and skeletal muscle. The findings suggest that suc...scle-targeted gene reduced the glycogen content of heart and skeletal muscle and corrected individual muscle fibers. The effect persisted for 24 weeks post-i...

Researchers identify target for cancer drugs

... an Assistant Professor of Biology at MIT. At the heart of this new research is a protein called Akt, an important player in the regulation of cell division and survival. Abnormally high activation of Akt has long been implicated in a variety of cancers. If Akt travels to the cell membrane, it is switched...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

...ing information 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 ...

Highly adaptable genome in gut bacterium key to intestinal health

...and obesity-related disorders such as diabetes and heart disease The bacterium of the study, called Bacteriodes thetaiotaomicron or B. theta, is among the most abundant species in the human gut microbial community. B. theta breaks down otherwise indigestible carbohydrates, such as dietary fiber, and suppl...

Research Gives Hope For Liver Damage

...en outcomes forother diseases, such as cancers and heart trouble, have made dramaticgains, liver damage - described as the new plague of the 21st century -has yet to be understood and in turn, to become treatable. More womenin the UK now die of liver failure than do of cancer of the cervix."There has been ...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...lometers ?an area roughly equal to Florida ?in the heart of South America, the Pantanal is the world's largest freshwater wetland, of active interest to U.S. scientists for insights into the lost biodiversity of Florida's famed Everglades, altered by drainage projects starting in the 1940s to make way for ...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...ection between a fly’s aerodynamic skill and human heart function? Using the nation’s most brilliant X-rays...ular level, the insect’s flight muscle and a human heart are remarkably similar,?Maughan said. “We biologists have always been amazed by how hard these muscl...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...l disease also are at increased risk of stroke and heart attack, and the disease makes it difficult to cont... an organism that’s in your gums, your lungs, your heart valves, your arteries causing disease.?/p> The next step will be to expose P. gingivalis to othe...

UCSD team discovers specialized, rare heart stem cells in newborns

...are, specialized stem cells located in the newborn heart of rats, mice and humans ?has been shown by resear...s are capable of differentiation into fully mature heart tissue. Called isl1+ cells, these cardiac progenitor cells are stem cells that have been programmed...

Implanted Devices Detect High-Risk Heart Failure Patients

... to optimize the cardiac function of patients with heart failure have provided new insights into which pati...new view of subtle changes in a key measurement of heart health -- heart rate variability. Patients with little variability -- whose hearts are unable to app...

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

...plasmid that is delivered using catheterization to heart tissue that has been damaged from insufficient blo...side of the heart, the VEGF-2 is injected into the heart muscle region with inadequate blood supply. The DNA plasmid is then taken up by the middle muscular ...

Special Imaging Study Shows Failing Hearts Are 'Energy Starved'

...t many scientists have conjectured for years about heart failure, and suggest new treatments designed to re...nergy demand and/or augment energy transfer. “The heart consumes more energy per gram than any other organ,?notes Paul A. Bottomley, Ph.D., lead researcher ...

International HapMap consortium expands mapping effort

...mon diseases, such as asthma, cancer, diabetes and heart disease. When the project was launched in October 2002, the consortium set September 2005 as the target for completing its map of common patterns of human genetic variation, also known as haplotypes. By the end of February 2005, however, the group a...

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(Date:8/27/2014)... have shown that excessive iron is closely ... Previous studies from Chunyan Guo and co-workers ... shown that baicalin prevented iron accumulation after ... 1 expression, and increased ferroportin 1 expression ... disease rats. However, the relationship between iron ...
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