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75,840 articles from EurekAlert

• THURSDAY 22. MAY, 2008
• 06:00 Metagenomics of skin reveals insights into the human microbiome

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  A report, published online in "Genome Research," describes the investigation of healthy human skin for microbiota diversity and establishes the basis for determining a core microbiome.  

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• 06:00 More intensive dialysis does not improve outcomes among patients with acute kidney injury

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  No significant difference in death rates or other outcomes was found between a group of patients with acute kidney injury that received intensive dialysis and another group that received a more standard regimen of dialysis, according to a joint Department of Veterans Affairs and National Institutes of Health study published in the June issue of the New England Journal of Medicine.  

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• 06:00 More patients with drug-coated cardiac stents survive, avoid costly follow-up procedures

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  Patients with drug-coated stents are less apt to die, have heart attacks or require extra stents or bypass surgery in the two years following placement of the stent, compared to those who receive bare metal stents, according to University of Pennsylvania School of Medicine research that will be published in the May 27 issue of the Journal of the American College of Cardiology  

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• 06:00 New family of gecko discovered by researchers from the U of Minnesota and Villanova University

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  Researchers at the University of Minnesota's Bell Museum of Natural History and Pennsylvania's Villanova University have discovered a new family of gecko, the charismatic large-eyed lizard popularized by car insurance commercials.  

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• 06:00 New research: Fruit juice consumption not related to overweight in children

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  Despite studies that assert otherwise, 100% fruit juice consumption is not related to overweight in children, according to the authors of "A Review of the Relationship Between 100% Fruit Juice Consumption and Weight in Children and Adolescents" in the May/June issue of the American Journal of Lifestyle Medicine, published by SAGE.  

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• 06:00 New statistical method reveals surprises about our ancestry

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  A statistical approach to studying genetic variation promises to shed new light on the history of human migration.  

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• 06:00 Nitrogen retained through loss

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  The nitrogen cycle plays a major role in seagrass fields. Dutch researcher Arie Vonk studied the nitrogen dynamics of seagrasses in Indonesia. He discovered that the interaction between seagrasses, animals and microorganisms results in an efficient nitrogen cycle in tropical seagrass fields. Consequently the nitrogen lost from seagrasses is still retained.  

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• 06:00 No link between antidepressants and birth defects

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  Expectant mothers can safely use prescribed antidepressants during their first trimester, according to a new study from the Université de Montréal and Ste. Justine Hospital published in the May edition of the British Journal of Psychiatry.  

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• 06:00 OHSU discovery may lead to early cancer detection

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  This week researchers in the Oregon Health & Science University Oregon Stem Cell Center and the OHSU Digestive Health Center are shining a new ray of hope on patients with pancreatic cancer. They've developed new reagents, or antibodies, that can recognize this often lethal disease. This important discovery may one day lead to earlier detection and treatment.  

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• 06:00 Oocyte-specific gene mutations cause premature ovarian failure

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  Mutations in a gene called FIGLA cause premature ovarian failure in at least a percentage of women who suffer from the disorder, said researchers from Baylor College of Medicine in Houston and Shandong University in China in a report that appears online today in the American Journal of Human Genetics.  

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• 06:00 Oral HRT more than doubles the risk of blood clots

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  Hormone replacement therapy given in skin patches may cause fewer blood clots than HRT given orally, according to a report published online today.  

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• 06:00 Oregano oil works as well as synthetic insecticides to tackle common beetle pest

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  New research in the Society of Chemical Industry's Journal of the Science of Food and Agriculture shows that oregano oil works as well as synthetic insecticides to combat infestation by a common beetle, Rhizoppertha dominica, found in stored cereals.  

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• 06:00 Over 50 percent of oceanic shark species threatened with extinction

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  The first study to determine the global threat status of 21 species of wide-ranging oceanic pelagic sharks and rays reveals serious overfishing and recommends key steps that governments can take to safeguard populations. These findings and recommendations for action are published in the latest edition of Aquatic Conservation: Marine and Freshwater Ecosystems.  

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• 06:00 Pacific coast turning more acidic

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  An international team of scientists surveying the waters of the continental shelf off the West Coast of North America has discovered for the first time high levels of acidified ocean water within 20 miles of the shoreline, raising concern for marine ecosystems from Canada to Mexico.  

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• 06:00 Phoenix mission to Mars will search for climate clues

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  The search for life on Mars enters a new phase May 25 with the scheduled landing of a NASA Phoenix Mission spacecraft on the Red Planet's northern plains. Researchers from Washington University in St. Louis are playing key roles in the mission, including one student who helped pick the landing site, a place called Green Valley. Phoenix will dig near the surface and search for evidence of an environment favorable for microbial life.  

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• 06:00 Premature tooth loss can affect oral health for years to come

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  According to a study published in the March/April 2008 issue of General Dentistry, the AGD's clinical, peer-reviewed journal, parents and caretakers more often than not do not know what to do with a traumatically affected tooth and do not take proper steps to respond to the injury, which can affect their child's oral health permanently.  

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• 06:00 Real-time observation of the DNA-repair mechanism

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  For the first time, researchers at Delft University of Technology have witnessed the spontaneous repair of damage to DNA molecules in real time. They observed this at the level of a single DNA molecule. Insight into this type of repair mechanism is essential as errors in this process can lead to the development of cancerous cells. Researchers from the Kavli Institute of Nanoscience Delft publish this in the leading scientific journal Molecular Cell.  

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• 06:00 Reducing blockage fails to improve access to the bloodstream for kidney dialysis

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  Reducing early blockages in bloodstream access for kidney failure treatment does not increase the likelihood that the access will function adequately for long-term treatments, according to a study funded by the National Institutes of Health. Results were published May 14, 2008, in the Journal of the American Medical Association.  

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• 06:00 Researchers explore the emerging role of infection in Alzheimer's disease

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  The realization that pathogens can produce slowly progressive chronic diseases has opened new lines of research into Alzheimer's disease. In a special issue of the Journal of Alzheimer's Disease published May 2008, guest editors Judith Miklossy, from the University of British Columbia, and Ralph N. Martins, from Edith Cowan University and Hollywood Private Hospital, Perth, Western Australia, and a group of experts explore this exciting topic.  

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• 06:00 Scientists reveal the lifestyle evolution of wild marine bacteria

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  Marine bacteria in the wild organize into lifestyle groups that partition resources rather than competing for them, so that microbes with one lifestyle, such as free-floating cells, flourish in proximity with related microbes that may spend life attached to zooplankton or algae. This information and the methodology behind it could change the way scientists approach the classification of microbes by making it possible to determine on a large scale the genetic basis for ecological niches.  

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• 06:00 Scorched Earth millenium map shows 'fire scars'

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  A geographer from the University of Leicester has produced for the first time a map of the scorched Earth for every year since the turn of the millennium.  

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• 06:00 Stabilizing cancer-fighting p53 can also shield a metastasis-promoter

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  Efforts to protect the tumor-suppressor p53 could just as easily shelter a mutant version of the protein, causing cancer cells to thrive and spread rather than die, according to research by scientists at the University of Texas M. D. Anderson Cancer Center reported in the current issue of the journal Genes and Development.  

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• 06:00 Study finds it pays to be heart smart if considering hormone therapy

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  A research study has found that a simple blood test may indicate whether post-menopausal hormone therapies present an elevated risk of a heart attack. The study, part of the Women's Health Initiative, sponsored by the National Institutes of Health, was conducted in 40 centers nationwide and included 271 cases of coronary heart disease. Corresponding author Paul F. Bray, M.D., and his co-authors report their findings in the June 1 edition of the American Journal of Cardiology.  

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• 06:00 Study finds unique HIV vaccine formula elicits strong immune responses

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  Today, Advanced BioScience Laboratories, Inc. and the University of Massachusetts Medical School report that their unique HIV vaccine formulation was effective in eliciting strong and balanced immune responses in healthy human volunteers.  

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• 06:00 Study identifies food-related clock in the brain

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  In investigating the intricacies of the body's biological rhythms, scientists at Beth Israel Deaconess Medical Center have discovered the existence of a "food-related clock" which can supersede the "light-based" master clock that serves as the body’s primary timekeeper.  

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