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Tag: "overload" at biology news

Keeping the immune system from starting a 'food fight'

...regular diet. In those who regularly consume an overload of nutrients, the flood control protein may become overwhelmed and give out, leading to the chronic, low-grade inflammation characteristic of obesity and other metabolic diseases, the researchers suggest. Treatments designed to reinforce that barrier...

Putting an old drug to a new use

...used to treat high blood pressure can reverse iron overload in mouse models and has the potential to treat sim...n of toxic radicals leading to tissue damage. Iron overload is the consequence of one of the most common genetic disorders in Europe, hereditary hemochromatosis...

How plants avoid feeling the burn

...r uncharged state, can readily handle the electron overload from the sun. Their findings have been published in the prestigious journal Proceedings of the National Academy of Sciences (PNAS) under the title"Conductance of a Biomolecular Wire" ( http://www.pnas.org/cgi/content/abstract/0600593103v1 ). "This...

'Dead zone' summer killed billions of ocean state mussels

...2003. Mussels, however, can help control nutrient overload and hypoxia by consuming phytoplankton, which reduces bottom-dwelling bacteria. "When we lose mussels, we may be losing the ability to prevent future dead zones from forming," Altieri said. "So these sorts of extinctions may trigger a downward spiral...

Microbiology text tells stories, offers online resources

...r looking up factual information. "Not wanting to overload this book with information, we turn you to the wealth of material available on the internet," says Schaechter. Purchase of the Microbe textbook grants instructors and students access to two Web resources. The Microbe website is designed to amplify ...

Argonne researchers confirm lead in Beethoven's illness

...olid evidence that Beethoven suffered from a toxic overload of lead," Walsh said. "In addition, the presence of lead in the skull suggests that his exposure to lead was not a recent event, but may have been present for many years." The half life of lead in the human body is about 22 years, with 95 percent of ...

Molecular cabal contributes to stroke damage

...s open to admit calcium into the cell, and calcium overload is central to neuronal death. In their experiments, Gao and colleagues induced ischemia in rat brains, or deprived cultured neurons of oxygen, and analyzed the molecular effects. Their analyses revealed that such deprivation triggered NMDARs, which ...

Newly discovered genetic disease sheds light on body's water balance

...to UCSF Children's Hospital with symptoms of fluid overload and strikingly low levels of sodium in their blood. The first child suffered from severe irritability. A few months later, the second infant was admitted with generalized seizures. Doctors in the pediatric endocrinology and pediatric nephrology serv...

Man-made wetland's effectiveness similar to natural marsh

...toring nitrogen," Mitsch said. "The idea is not to overload wetlands in the first place." The three-acre wetland in the study was roughly the size of three football fields and drained a watershed about 14 times that large. It is located in prime agricultural territory in west central Ohio ?on the shores of G...

Iron exporter revealed that may explain common human disorder

... degrade ferroportin might therefore curb the iron overload suffered by those with hemochromatosis, Andrews said. Those with excess iron for other reasons, such as repeated blood transfusions, might also benefit from such a drug, she added. The other members of the research team include Adriana Donovan from ...

Surprising findings reported about iron overload

...ned. Individuals who develop hemochromatosis/iron overload absorb an excessive amount of iron from food and s...ulates iron absorption. "Hemochromatosis and iron overload are easily treatable if diagnosed early, but the simple blood test that could detect these condition...

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