Daily non-political popular news in brief.
Zebrafish study shows key enzyme in gut is a peacemaker
12-12-2007 · EurekAlert!University of Oregon scientists, using zebrafish to study the gastrointestinal tract, say that an enzyme long assumed to be involved in digestion instead is a detoxifying traffic cop, maintaining a friendly rapport between resident gut bacteria and cells.
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Keywords: zebrafish, study, shows, key, enzyme, gut, peacemaker, show
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- MIT study shows genetic link for schizophrenia
02-19-2007 · EurekAlert!
Gene mutations governing a key brain enzyme make people susceptible to schizophrenia and may be targeted in future treatments for the psychiatric illness, according to MIT and Japanese researchers.
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- The neurobiology behind why eating feels so good
10-19-2006 · EurekAlert!
The need to eat is triggered by the hormone ghrelin. Ghrelin is produced in the gut and triggers the brain to promote eating, but it remains to be determined precisely how ghrelin affects different parts of the brain. A new study shows that in mice and rats, ghrelin triggers the same neurons as delicious food, sexual experience, and many recreational drugs; that is, neurons that provide the sensation of pleasure and the expectation of reward.
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- Racial disparities high in Medicare plans
10-24-2006 · EurekAlert!
Numerous studies show the African-Americans receive worse quality of care relative to white Americans across a broad array of medical conditions -- disparities that can significantly harm patients or reduce quality of life. A new study from Harvard Medical School and Brown Medical School shows that such disparities in care cannot simply be attributed to low-performing health plans.
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- Common parasitic infection leads to increased risk for HIV infection
01-25-2007 · EurekAlert!
A new study shows a significantly increased risk of HIV infection among women with a common sexually transmitted disease, trichomoniasis. Although studies have been undertaken in the past to show the link between sexually transmitted infections and susceptibility to HIV, the study published in the March 1 issue of the Journal of Infectious Diseases, now available online, is one of the first to demonstrate a statistically significant association between trichomoniasis and HIV infection.
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- Population pressure shapes urban parks
02-23-2007 · EurekAlert!
A study of 10 northeastern urban forests shows no sign that there is a common urban park plant complex, but does show that population levels affect both native and non-native species diversity, according to a Penn State study.
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- Hepatitis C helicase unwinds DNA in a spring-loaded, 3-step process
07-26-2007 · EurekAlert!
The process by which genes are duplicated is mysterious and complex, involving a cast of characters with diverse talents and the ability to play well with others in extremely close quarters. A key player on this stage is an enzyme called a helicase. Its job is to unwind DNA or RNA so that another enzyme, a polymerase, can faithfully copy each nucleotide in the genetic code.A study to appear in Science sheds new light on how the hepatitis C helicase plays this role.
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- Study shows cats can succumb to feline Alzheimer's disease
12-05-2006 · EurekAlert!
Ageing cats can develop a feline form of Alzheimer's disease, a new study reveals. Scientists at the Universities of Edinburgh, St Andrews, Bristol and California have identified a key protein which can build up in the nerve cells of a cat's brain and cause mental deterioration.
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- Jefferson oncologists show breast cancers to be more aggressive in African-American women
07-09-2007 · EurekAlert!
A study of more than 2,200 women shows that African-Americans have more advanced breast cancer at the time of diagnosis than Caucasians. African-American women tend to have breast cancer tumor types that are more aggressive and have poorer prognoses. The findings are in line with other recent studies, and provide more evidence of the continuing need for early breast cancer screening for African-American women and the development of individual treatment strategies.
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- Study finds some kids are being misdiagnosed with asthma
08-30-2007 · EurekAlert!
More than 6 million kids in this country have asthma -- or do they? New research shows many children are being misdiagnosed. Instead of asthma, they may actually have Vocal Chord Dysfunction, a much less serious condition that doesn't require medication. A simple test can show doctors and parents the difference between asthma and VCD.
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- First-ever study: lack of critical lubricant causes wear in joints
11-06-2007 · EurekAlert!
For the first time, researchers have linked increased friction with early wear in the joints of animals. Work led by Brown University physician and engineer Gregory Jay, MD, shows mice that do not produce the protein lubricin begin to show wear in their joints less than two weeks after birth. This finding not only points up the protective power of lubricin but also suggests that it could be used to prevent joint wear after an injury.
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