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Cancer researchers link DICER1 gene mutation to rare childhood cancer

WASHINGTON, DC -- Research published today in Science Express from the journal Science demonstrates the first definitive link between mutations in the gene DICER1 and cancer.

DNA template could explain evolutionary shifts

HOUSTON -- (June 21, 2009) -- Rearrangements of all sizes in genomes, genes and exons can result from a glitch in DNA copying that occurs when the process stalls at a critical point and then shifts to a different genetic template, duplicating and even triplicating genes or just shuffling or deleting part of the code within them, said researchers from Baylor College of Medicine in a recent rep

Medical insurance documents shed light on kidney transplant patients' health

Billing claims from health insurance companies can provide insights on the long-term health of kidney transplant patients, according to a study appearing in an upcoming issue of the Clinical Journal of the American Society Nephrology (CJASN).

Meteorite grains divulge Earth's cosmic roots

The interstellar stuff that became incorporated into the planets and life on Earth has younger cosmic roots than theories predict, according to the University of Chicago postdoctoral scholar Philipp Heck and his international team
of colleagues.

Meteorite Grains Divulge Earth's Cosmic Roots

The interstellar stuff that became incorporated into the planets and life on Earth has younger cosmic roots than theories predict, according to the University of Chicago postdoctoral scholar Philipp Heck and his international team of colleagues.

Heck and his colleagues examined 22 interstellar grains from the Murchison meteorite for their analysis.

Researchers find how a common genetic mutation makes cancer radiation resistant

June 9, 2009 -- Many cancerous tumors possess a genetic mutation that disables a tumor suppressor called PTEN. Now researchers at Washington University School of Medicine in St. Louis have shown why inactivation of PTEN allows tumors to resist radiation therapy.

Insomniac Flies Resemble Sleep-deprived Humans

Researchers at Washington University School of Medicine in St. Louis have created a line of fruit flies that may someday help shed light on the mechanisms that cause insomnia in humans.

Insomniac flies resemble sleep-deprived humans

June 2, 2009 -- Researchers at Washington University School of Medicine in St. Louis have created a line of fruit flies that may someday help shed light on the mechanisms that cause insomnia in humans. The flies, which only get a small fraction of the sleep of normal flies, resemble insomniac humans in several ways.

Drug's epilepsy-prevention effect may be widely applicable

June 1, 2009 -- A drug with potential to prevent epilepsy caused by a genetic condition may also help prevent more common forms of epilepsy caused by brain injury, according to researchers at Washington University School of Medicine in St. Louis.

Some neural tube defects in mice linked to enzyme deficiency

St. Louis, May 25, 2009 ? Women of childbearing age can reduce the risk of having a child born with a neural tube defect such as spina bifida by eating enough folate or folic acid. However, folate prevents only about 70 percent of these defects.

New research using mice at Washington University School of Medicine in St.

Aerosolized nanoparticles show promise for delivering antibiotic treatment

ATS 2009, SAN DIEGO? Aerosol delivery of antibiotics via nanoparticles may provide a means to improve drug delivery and increase patient compliance, thus reducing the severity of individual illnesses, the spread of epidemics, and possibly even retarding antibiotic resistance.

Delivery of antibiotics via nanoparticles has shown promise as a drug delivery mechanism, particularly for controll

Brain's organization switches as children become adults

Any child confronting an outraged parent demanding to know "What were you thinking?" now has a new response: "Scientists have discovered that my brain is organized differently than yours."

A stronger backbone: DHEA hormone replacement increases bone density in older women

ST. LOUIS - Taking a DHEA supplement combined with vitamin D and calcium can significantly improve spinal bone density in older women, according to a new study from a Saint Louis University scientist and his colleagues at Washington University.

CT scans increase cancer risk estimates in multiply-imaged emergency department patients

Physicians should review a patient's CT imaging history and cumulative radiation dose when considering whether to perform another CT exam, according to researchers at Brigham and Women's Hospital, Boston, MA, and Washington University School of Medicine, St. Louis, MO.

Calorie restriction causes temporal changes in liver metabolism

Bethesda, MD (May 4, 2009) - Moderate calorie restriction causes temporal changes in the liver and skeletal muscle metabolism, whereas moderate weight loss affects muscle, according to a new study in Gastroenterology, the official journal of the American Gastroenterological Association (AGA) Institute.



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