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MIT: Making waves in the brain

CAMBRIDGE, Mass.--Scientists have studied high-frequency brain waves, known as gamma oscillations, for more than 50 years, believing them crucial to consciousness, attention, learning and memory. Now, for the first time, MIT researchers and colleagues have found a way to induce these waves by shining laser light directly onto the brains of mice.

Statins may exert influence on prostate cancer growth by reducing inflammation

DURHAM, N.C. - Cholesterol-lowering drugs called statins may reduce inflammation in prostate tumors, possibly hindering cancer growth, according to a study led by investigators in the Duke Prostate Center.

Test for hormones in blood not reflective of hormones in breast tissue; breast cancer risk

Denver, Colo. - Many studies determine hormone levels in the blood as a marker of breast cancer risk.

Exercise protects against damage causing leakage in the blood-brain barrier

Regular exercise can prevent the disruption of the blood brain barrier that normally occurs with a dose of methamphetamine comparable to that used by heavy meth users.

Natural protein may halt colorectal cancer's spread

Medical College of Wisconsin Cancer Center researchers in Milwaukee have learned that a protein, CXCL12, that normally controls intestinal cell movement, has the potential to halt colorectal cancer

Targeted agent shows promise in biliary cancer study

COLUMBUS, Ohio - An experimental agent has shown promising results in people with advanced biliary cancer, according to a multi-institutional clinical trial led by cancer researchers at the Ohio State University.

The agent, known as AZD6244 (ARRY-142886), blocks certain enzymes that cancer cells need to proliferate and survive.

Genetic source of rare childhood cancer found; gene is implicated in other cancers

St. Louis, April 20, 2009 -- The search for the cause of an inherited form of a rare, aggressive childhood lung cancer has uncovered important information about how the cancer develops and potentially sheds light on the development of other cancers.

Study finds blood cells can be reprogrammed to act as embryonic stem cells

(WASHINGTON, April 20, 2009) - In a recent study, U.S. researchers have reprogrammed cells found in circulating blood into cells that are molecularly and functionally indistinguishable from embryonic stem cells, a revolutionary achievement that provides a readily accessible source of stem cells and an alternative to harvesting embryonic stem cells.

Mayo Clinic-led researchers confirm gene variants associated with the most common adult leukemia

DENVER - A national team of researchers led by Mayo Clinic has found that patients with chronic lymphocytic leukemia (CLL) are more likely to have similar DNA changes or variants in up to six genes, compared to people who do not have the cancer.

New human study reinforces antioxidant benefits of tart cherries

April 19, 2009, NEW ORLEANS --- Eating just one and a half servings of tart cherries could significantly boost antioxidant activity in the body, according to new University of Michigan research reported at the 2009 Experimental Biology meeting in New Orleans.1 In the study, healthy adults who ate a cup and a half of frozen cherries had increased levels of antioxidants, specifically five differe

Large study documents how p53 mutations link to high-grade breast cancer, poor outcomes

Denver, Colo. - In what is believed to be the largest study of its kind in the US, researchers have found that almost 26 percent of women studied who have breast cancer have mutations in a gene important in controlling cell growth and death, and that patients with mutations in this gene - known as p53 - had poorer outcomes including a significantly increased risk of death from the cancer.

Addition of dasatinib to standard chemo cocktail may enhance effect in certain ovarian cancers

DURHAM, N.C. - The addition of a chemotherapeutic drug for leukemia to a standard regimen of two other chemotherapy drugs appears to enhance the response of certain ovarian cancers to treatment, according to a pre-clinical study led by researchers in the Duke Comprehensive Cancer Center.

OptiNose presents new data on highly effective treatment for chronic rhinosinusitis

PHILADELPHIA, PA - April 17, 2009. OptiNose today announced important new results from a Phase II trial of its novel nasal drug delivery device with fluticasone for the treatment of chronic rhinosinusitis. Patients in the active treatment group experienced significant improvements in nasal symptoms, nasal discomfort and sense of smell.

Discovered after 40 years: Moon dust hazard influenced by Sun's elevation

In the 1960s and 1970s, the Apollo Moon Program struggled with a minuscule, yet formidable enemy: sticky lunar dust. Four decades later, a new study reveals that forces compelling lunar dust to cling to surfaces -- ruining scientific experiments and endangering astronauts' health --change during the lunar day with the elevation of the sun.

New nucleotide could revolutionize epigenetics

Anyone who studied a little genetics in high school has heard of adenine, thymine, guanine and cytosine - the A,T,G and C that make up the DNA code. But those are not the whole story.



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