Research News and Research

RSS

Midbrain, striatal and amygdalar dopaminergic dysfunction in ADHD

The brain's dopamine system, which has long been associated with reward learning and reward-related behavior, works differently in treated and untreated attention deficit hyperactivity disorder (ADHD) individuals.

7 Jun 2006

Gleevec strangles drug-resistant, metastatic prostate cancer

A medication used to treat other types of cancer strangles drug-resistant, metastatic prostate cancer by cutting off its blood supply, researchers from The University of Texas M. D. Anderson Cancer Center report in the June 7 issue of the Journal of the National Cancer Institute.

7 Jun 2006

TB drug may cure Parkinson-type symptoms of manganese intoxication

Researchers have discovered that a drug used to treat tuberculosis apparently cures patients of a Parkinson's-like illness suffered by thousands of mineworkers, welders and others exposed to high levels of the metal manganese.

7 Jun 2006

Scientists describe elaborate system of gene control triggered by chemical damage to DNA

Scientists describe for the first time a web of inter-related responses that cells use to avoid becoming diseased or cancerous after being exposed to a powerful mutagen.

7 Jun 2006

Trastuzumab results promising for HER-2 positive breast cancer patients

Researchers have shown that patients who receive trastuzumab at the same time as post-chemotherapy radiation treatments for HER-2 positive breast cancer have no more risk for major side effects or complications than those who do not receive the drug.

7 Jun 2006

Centrosomes may contain ribonucleic acid

Despite more than a century of study, scientists know relatively little about the inner workings of centrosomes - organelles essential to cell division in humans and animals.

7 Jun 2006

Study finds PET imaging value in tracking diabetes progression

"Diabetes is the only major disease with a death rate that continues to be on the upswing," proclaimed a front-page New York Times story recently.

7 Jun 2006

Exercise is emerging as a new therapeutic weapon to tackle cancer

When individuals with breast or prostate cancer followed a moderate, home-based exercise program using resistance bands and walking, the patients had less fatigue during radiation treatments, greater strength and could walk farther and faster in only four weeks, researchers discovered in a pilot study.

7 Jun 2006

Long-term benefits of imatinib for patients newly diagnosed with chronic myelogenous leukemia

The overall survival of most people with chronic myelogenous leukemia (CML) treated with imatinib (Gleevec, STI-571) is extremely high and the relapse rate is quite low, according to new data from a study out of the Oregon Health & Science University Cancer Institute.

6 Jun 2006

Vitamin K in the U.S. diet

Much of what is known about the content of vitamin K in the US food supply comes from research conducted in the Vitamin K Laboratory at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University.

6 Jun 2006

PET imaging of cerebral cannabinoid CB1 receptors with [11C]JHU75528

A team of Johns Hopkins researchers developed a new radiotracer - a radioactive substance that can be traced in the body - to visualize and quantify the brain's cannabinoid receptors by positron emission tomography (PET).

6 Jun 2006

Calpain protein key to preventing or promoting cell death

A protein called calpain can be the key either preventing or promoting the cell death, a Queen's University study has found.

6 Jun 2006

Study results may aid battle against insect-borne diseases

Scientists studying the widespread symbiotic bacteria Wolbachia have long been interested in its ability to proliferate.

6 Jun 2006

Dietary glycemic index and carbohydrate in relation to early age-related macular degeneration

Age-related macular degeneration (AMD) is one of the leading causes of vision loss in older adults and a person's risk may partly depend upon diet.

6 Jun 2006

Better understanding of DNA damage

Researchers have known for years that damaged DNA can lead to human diseases such as cancer, but how damage occurs - and what causes it - has remained less clear.

6 Jun 2006

New procedures to help decide which breast cancer patients will benefit most from radiotherapy

New procedures which will help doctors decide which breast cancer patients will benefit most from radiotherapy begin trials this week.

6 Jun 2006

Novel research points to promising relief target for chronic pain

By some accounts, chronic pain affects nearly 100 million Americans from such varied causes as arthritis, sciatica, cancer, diabetes. Most forms of pain result from identifiable causes which serve the "good" purpose in warning of a real physical problem that needs attention, or rest.

6 Jun 2006

Factors influencing the route of administration for Epoetin treatment among hemodialysis patients in the U.S.

A forthcoming article to be published in the July 2006 issue of the American Journal of Kidney Diseases finds that physician decision-making for the delivery of epoetin therapy is primarily influenced by the type of ownership and financial incentives associated with dialysis centers.

6 Jun 2006

Researchers show that different forms of amyloid beta lead to neural damage in different ways

Researchers at UC Irvine have shown that different forms of amyloid beta lead to neural damage in different ways, leading to an increasingly complex view of amyloid toxicity in the Alzheimer brain.

6 Jun 2006

Researchers discover the presence of the genetic material RNA in the centrosome

Researchers have discovered the presence of the genetic material RNA in the centrosome, the organizing structure inside each cell that assures proper cell division.

6 Jun 2006