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Model of proline dehydrogenase created

Researchers at the University of Missouri-Columbia recently created a model of proline dehydrogenase, an important cancer-preventing enzyme in the human body, and analyzed how it works.

17 May 2007

Just 75 minutes of exercise per week helps improve fitness levels for postmenopausal women who are overweight

New research indicates that even small amounts of physical activity, approximately 75 minutes a week, can help improve the fitness levels for postmenopausal women who are sedentary and overweight or obese, according to a study in the May 16 issue of JAMA.

16 May 2007

Natural antibodies and tissue injury

Lack of blood flow to the intestines during surgery, to the heart during a heart attack or to the brain during a stroke can cause damage to the organ involved.

15 May 2007

Just 10 minutes of exercise each day helps inactive overweight women

Researchers in the U.S. say that just 10 minutes of exercise a day can help even the most inactive overweight women.

15 May 2007

Longterm anxiety 'ups' the risk for heart attacks

According to researchers in the United States, for patients with coronary artery disease, anxiety increases their risk of heart attacks and death.

15 May 2007

Is the 90-minute deadline for inflation of angioplasty balloons really critical?

In the treatment of heart attack, the 90-minute goal for inflation of an angioplasty balloon in a blocked coronary artery to restore normal blood flow is so revered it's been codified in clinical guidelines, accreditation standards, and pay-for-performance programs.

15 May 2007

Coenzyme Q10 does not improve Parkinson's disease symptoms

Small doses of the antioxidant coenzyme Q10 appear to increase blood levels of this naturally occurring compound in patients with Parkinson's disease, but does not improve Parkinson's disease symptoms, according to an article posted online today that will appear in the July 2007 print issue of Archives of Neurology, one of the JAMA/Archives journals.

15 May 2007

Simple procedural change may reduce cardiac arrests outside pediatric ICUs

A simple procedural change may significantly reduce cardiopulmonary arrests outside a pediatric hospital's intensive care unit, according to a study reported at the American Heart Association's 8th Scientific Forum on Quality of Care and Outcomes Research in Cardiovascular Disease and Stroke.

11 May 2007

Researchers discover genetic 'shut down' trigger in healthy immune cells

A fundamental genetic mechanism that shuts down an important gene in healthy immune system cells has been discovered that could one day lead to new therapies against infections, leukemia and other cancers.

10 May 2007

Ischemic-targeted approach to angioplasty among asymptomatic survivors of heart attack

When compared with intensive drug therapy, percutaneous coronary intervention (PCI, angioplasty) was more beneficial in reducing the long-term risk of major cardiac events among heart attack survivors with "silent ischemia", according to a study in the May 9 issue of Journal of the American Medical Association.

9 May 2007

Heart-assist devices may help some end-stage heart failure patients avoid transplant

Implanted pumps improved heart function enough in a small percentage of patients awaiting a heart transplant that they were able to leave the hospital without a pump and without a new heart, according to a study in Circulation: Journal of the American Heart Association.

8 May 2007

Loss of a single gene in kidney cancer cells causes them to stop making mitochondria

Studying a rare inherited syndrome, researchers at Johns Hopkins have found that cancer cells can reprogram themselves to turn down their own energy-making machinery and use less oxygen, and that these changes might help cancer cells survive and spread.

8 May 2007

Custom stents hold microcapsules to treat diabetes

Johns Hopkins undergraduates have invented a device to improve cell therapy for diabetes patients by anchoring transplanted insulin-producing cells inside a major blood vessel.

7 May 2007

Cause of gender differences in high blood pressure and related kidney disease

While men and women both get high blood pressure and related kidney disease, the path to get there is shorter, steeper and just different for men, researchers say.

4 May 2007

Migraine sufferers may have form of brain damage

Scientists in the U.S. are suggesting that people with migraines may also be suffering from some form of brain damage.

2 May 2007

Caution against over-aggressive use of erythropoiesis-stimulating agents for cancer-related anemia

Echoing recent FDA warnings, a research group from Northern Ireland cautions against over-aggressive use of a group of drugs called "erythropoiesis-stimulating agents" (ESAs) to treat anemia in some cancer patients, according to a commentary in the April issue of The Oncologist, published by AlphaMed Press.

1 May 2007

Two-photon absorption imaging of hemoglobin

In an advance that can potentially assist cancer diagnosis, a new optical technique provides high-resolution, three-dimensional images of blood vessels by taking advantage of the natural multiple-photon-absorbing properties of hemoglobin, the red-blood-cell molecule that carries oxygen throughout the bloodstream.

1 May 2007

Researchers identify antioxidant mechanisms involved in protection against heart disease

Zvonimir Katusic, M.D., Ph.D., and Mayo colleagues have identified antioxidant mechanisms essential for regenerative function of endothelial progenitor cells (EPCs).

30 Apr 2007

Respiratory control in insects: integration from the gene to the organism

Because of new imaging technology, researchers are getting a better understanding of a physiological paradox: how insects, which have a respiratory system built to provide quick access to a lot of oxygen, can survive for days without it.

30 Apr 2007

Headaches may act like tiny transient strokes

Migraines may be doing more than causing people skull-splitting pain. Scientists have found evidence that the headaches may also be acting like tiny transient strokes, leaving parts of the brain starved for oxygen and altering the brain in significant ways.

30 Apr 2007