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3-D microscopic views of tiny mouse brains available online

A multi-institutional consortium including Duke University has created startlingly crisp 3-D microscopic views of tiny mouse brains - unveiled layer by layer - by extending the capabilities of conventional magnetic resonance imaging.

10 Jul 2007

Magnetic nano tweezers show how cancer drug works

The annoying bulges of an over-wound telephone cord that shorten its reach and limit a caller's motion help to explain why drugs called camptothecins are so effective in killing cancer cells, according to investigators at St. Jude Children's Research Hospital and Delft University of Technology.

10 Jul 2007

No compelling evidence that meditation has therapeutic value

While it's not likely to do you any harm, there is also no compelling evidence that meditation has therapeutic value, says a new report from the University of Alberta.

10 Jul 2007

Some clinicians likely to order inappropriate prostate screenings

Prostate-specific antigen (PSA) tests to screen for prostate cancer are frequently performed among patients for whom the PSA test is not shown to be beneficial, and clinicians with certain characteristics are more likely to order such inappropriate screening tests, according to a report in the July 9 issue of Archives of Internal Medicine.

10 Jul 2007

Scientists identify two brain networks in Parkinson's

The disease that causes tremors, rigidity and slowed movements in a million Americans also targets another brain network that regulates cognitive thought and the ability to carry out everyday tasks.

10 Jul 2007

New insights into acute promyelocytic leukemia

Results from two new studies provide key mechanistic insights into the complex molecular events that cause a deadly type of leukemia.

10 Jul 2007

Scientists take exciting approach for attacking cancers

A new study identifies a combination therapy that may sensitize human cancer cells to a promising treatment currently being used in clinical trials.

10 Jul 2007

U.S. trial of new microbicide for HIV prevention to be tested in young women

Nearly half of all people infected with HIV/AIDS are now women, the majority of whom contracted the disease through sexual intercourse with male partners.

10 Jul 2007

Electronic health records not associated with improved quality of outpatient health care

Electronic health records have been hailed as a key element in making U.S. medical care more effective and efficient, but a new study led by a researcher at the Stanford University School of Medicine shows that electronic records were not associated with improved quality of outpatient health care in 2003 and 2004.

10 Jul 2007

Peregrine licenses worldwide rights to a novel anti-angiogenesis technology

Peregrine Pharmaceuticals, Inc. has announced that it has licensed worldwide exclusive rights to a novel anti-angiogenesis technology from The University of Texas M. D. Anderson Cancer Center.

10 Jul 2007

People with early Parkinson's more likely to develop hallucinations, sleepiness and swelling

People with early Parkinson's disease report a higher than anticipated development or worsening of hallucinations, sleepiness, and swelling.

10 Jul 2007

New gene mutation linked to frontotemporal dementia

Researchers have identified a new gene mutation linked to frontotemporal dementia, according to a study published in the July 10, 2007, issue of Neurology, the medical journal of the American Academy of Neurology.

10 Jul 2007

New weapon in the battle against antibiotic-resistant bacteria

Putting bacteria on birth control could stop the spread of drug-resistant microbes, and researchers at the University of North Carolina at Chapel Hill have found a way to do just that.

10 Jul 2007

Neutral genetic drift

Johns Hopkins researchers have added to the growing mound of evidence that many of the genetic bits and pieces that drive evolutionary changes do not confer any advantages or disadvantages to humans or other animals.

10 Jul 2007

Breast cancers to be more aggressive in African-American women

A study of more than 2,200 women at the Kimmel Cancer Center at Jefferson in Philadelphia shows that African American women have more advanced breast cancer at the time of diagnosis than Caucasian women.

10 Jul 2007

ERG gene's activity points to more lethal subtype of acute myeloid leukemia

A new study shows that the activity of a particular gene can identify people who have a more lethal form of acute myeloid leukemia, singling out those patients who should receive more intense therapy.

10 Jul 2007

Gene therapy offers promising approach to tackle pancreatic cancer

A molecularly engineered therapy selectively embeds a gene in pancreatic cancer that shrinks or eradicates tumors, inhibits metastasis, and prolongs survival with virtually no toxicity, researchers from The University of Texas M. D. Anderson Cancer Center report in the July 9 edition of Cancer Cell.

10 Jul 2007