Oxidative Stress News and Research

RSS

Oxidative Stress is a condition in which antioxidant levels are lower than normal. Antioxidant levels are usually measured in blood plasma.

Bacteria biosensor prototype

Common bacteria with an overt reaction to toxins that cause oxidative stress show promise as a biosensor to predict public health threats.

2 Apr 2007

Long-term low to moderate doses of aspirin beneficial for women

Women who take low to moderate doses of aspirin have a reduced risk of death from any cause, and especially heart disease related deaths, according to a report in the March 26 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

2 Apr 2007

Novel pathway for antibiotic-induced cell death

Scientists have identified unforeseen mechanisms by which quinolones - a family of broad-spectrum antibiotics among the most widely prescribed - induce bacterial cell death.

13 Mar 2007

Antioxidant supplements beta carotene, vitamin A and E may increase risk of death

Contradicting claims of disease prevention, an analysis of previous studies indicates that the antioxidant supplements beta carotene, vitamin A, and vitamin E may increase the risk of death, according to a meta-analysis and review article in the February 28 issue of JAMA: The Journal of the American Medical Association.

28 Feb 2007

Scientists identify specific enzymes that make meningitis hard to fight

Two enzymes in meningitis bacteria which prevent the body from successfully fighting off the disease, and make the infection extremely virulent, have been identified in new research published today.

22 Feb 2007

Watercress shows anti-cancer potential

Eating watercress daily can significantly reduce DNA damage to blood cells, which is considered to be an important trigger in the development of cancer, University of Ulster scientists revealed.

18 Feb 2007

Drinking coffee does not increase the risk of heart attacks in women

Researchers in the United States have found that drinking coffee does not increase the risk of heart attacks in women.

14 Feb 2007

Corn, oats, cherries and red wine's high melatonin content can help delay ageing

The Spanish Ageing Research Network (Red Nacional de Investigación del Envejecimiento), funded by Carlos III Health Institute and headed by professor Darío Acuna Castroviejo, from the University of Granada, is very near to achieving one of today's Science greatest goals: allowing humans to age in the best possible health conditions.

31 Jan 2007

Piolitazone shows promise for preventing brain injury from radiation therapy

Researchers at Wake Forest University School of Medicine are the first to report that in animal studies, a common diabetes drug prevents the memory and learning problems that cancer patients often experience after whole-brain radiation treatments.

10 Jan 2007

Scientists discover how androgen plays a role in the development of prostate cancer

Scientists have discovered for the first time a specific biochemical pathway by which the sex hormone, androgen, increases levels of harmful chemicals called reactive oxygen species (ROS) in the prostate gland that play a role in the development of prostate cancer.

8 Nov 2006

Scientists discover how brain turns on system designed to protect nerve cells from toxic "free radicals"

Scientists at Dana-Farber Cancer Institute report they have found how the brain turns on a system designed to protect its nerve cells from toxic "free radicals," a waste product of cell metabolism that has been implicated in some degenerative brain diseases, heart attacks, strokes, cancer, and aging.

20 Oct 2006

Researchers step toward therapy for respiratory syncytial virus

When a child under the age of 2 contracts a respiratory tract infection requiring hospitalization, odds are that the cause is respiratory syncytial virus (RSV).

17 Oct 2006

Going deaf and blind happens simultaneously in old age

According to Australian scientists, vision and hearing loss happens almost simultaneously in older people.

11 Oct 2006

Insulin receptor stops progression of Alzheimer's disease

Stimulation of a receptor in the brain that controls insulin responses has been shown to halt or diminish the neurodegeneration of Alzheimer's disease, providing evidence that the disease can be treated in its early stages, according to a study by researchers at Rhode Island Hospital and Brown Medical School.

21 Sep 2006

Reactive oxygen species in cancer cells

A biochemical alteration that has long been viewed as an adverse aspect of tumor biology may turn out to be a deadly double-edged sword for the cancer cells themselves.

12 Sep 2006

Immunotherapy for heart failure

World Congress of Cardiology Report - Heart failure (HF) is a complex, progressive clinical syndrome that can result from any structural or functional cardiac disorder, such as coronary artery disease or hypertension (high blood pressure), which impairs the ability of the heart to function properly as a pump.

5 Sep 2006

Consuming extra virgin olive oil helps to combat degenerative diseases

In the 1960s, Ancer Keys, a US expert on nutrition, studied the health benefits of the Mediterranean diet for the first time. Since then many studies on the benefits of olive oil have been conducted.

5 Sep 2006

New drug improves blood flow in diseased arteries

A new drug has been shown to improve blood flow in diseased arteries, reducing the risk of high blood pressure and heart attacks, a Monash University study published today reveals.

4 Sep 2006

Scientists identify novel central nervous system proteins affected by chronic alcohol exposure

Researchers at the University at Buffalo studying the effects of alcohol on the brain, using zebrafish as a model, have identified several novel central nervous system proteins that are affected by chronic alcohol exposure.

31 Aug 2006

Pomegranate juice may decrease PSA progression in patients with cancer recurrence after treatment

Because of their high content of antioxidants, pomegranate juice is frequently recommended for cancer prevention and overall wellness. While small studies have suggested a role against prostate carcinogenesis, no organized trials have been published until now.

17 Aug 2006