News tagged with oxygen species

Grape seed extract kills head and neck cancer cells, leaves healthy cells unharmed

Nearly 12,000 people will die of head and neck cancer in the United States this year and worldwide cases will exceed half a million.

Medicine & Health / Cancer

created Jan 27, 2012 | popularity 4.9 / 5 (52) | comments 18 | with audio podcast

Scientists identify an innate function of vitamin E

It's rubbed on the skin to reduce signs of aging and consumed by athletes to improve endurance but scientists now have the first evidence of one of vitamin E's normal body functions.

Medicine & Health / Research

created Dec 20, 2011 | popularity 4.8 / 5 (16) | comments 4 | with audio podcast

Researchers discover how cells limit inflammation in lung injury

(Medical Xpress) -- Researchers at the University of Illinois at Chicago College of Medicine have found in an animal model of acute lung injury a molecular mechanism that allows cells of the immune system to reduce tissue ...

Medicine & Health / Research

created Dec 14, 2011 | popularity not rated yet | comments 0 | with audio podcast

Oxidative stress: Less harmful than suspected?

Arterial calcification and coronary heart disease, neurodegenerative diseases such as Parkinson's and Alzheimer's, cancer and even the aging process itself are suspected to be partially caused or accelerated ...

Biology / Cell & Microbiology

created Dec 05, 2011 | popularity 4 / 5 (1) | comments 0

Garlic oil component may form treatment to protect heart

A component of garlic oil may help release protective compounds to the heart after heart attack, during cardiac surgery, or as a treatment for heart failure.

Medicine & Health / Cardiology

created Nov 16, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Hormone that controls iron levels may be target for atherosclerosis treatment

Researchers at Emory University School of Medicine have identified hepcidin, a hormone that regulates iron levels in the body, as a potential target for treating atherosclerosis.

Medicine & Health / Cardiology

created Nov 16, 2011 | popularity not rated yet | comments 0

Why do neurons die in Parkinson's disease?

Current thinking about Parkinson's disease is that it's a disorder of mitochondria, the energy-producing organelles inside cells, causing neurons in the brain's substantia nigra to die or become impaired. A study from Children's ...

Medicine & Health / Research

created Nov 10, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Study identifies an expanded role for PKM2 in helping cancer cells survive

It has long been known that cancer cells use nutrients differently than normal cells. In recent years, the rapidly reemerging field of cancer metabolism has shed new light on the ways that cancers use glucose to grow and ...

Medicine & Health / Cancer

created Nov 03, 2011 | popularity 3 / 5 (1) | comments 0 | with audio podcast

Cellular repair could reduce premature aging

Researchers have identified a potential drug therapy for a premature ageing disease that affects children causing them to age up to eight times as fast as the usual rate.

Medicine & Health / Genetics

created Nov 02, 2011 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

New findings may help explain high blood pressure in pregnancy

Virginia Commonwealth University School of Medicine researchers have discovered that the infiltration of white blood cells into an expectant mother's blood vessels may explain high blood pressure in pregnancy.

Medicine & Health / Research

created Oct 31, 2011 | popularity not rated yet | comments 0 | with audio podcast

Strawberries protect the stomach from alcohol

In an experiment on rats, European researchers have proved that eating strawberries reduces the harm that alcohol can cause to the stomach mucous membrane. Published in the open access journal Plos One, the st ...

Medicine & Health / Other

created Oct 25, 2011 | popularity 4.7 / 5 (19) | comments 2

New evidence found for the oldest oxygen-breathing life on land

New University of Alberta research shows the first evidence that oxygen-breathing bacteria occupied and thrived on land 100 million years earlier than previously thought.

Space & Earth / Earth Sciences

created Oct 19, 2011 | popularity 4.6 / 5 (7) | comments 1 | with audio podcast

Good housekeeping maintains a healthy liver

Differences in the levels of two key metabolic enzymes may explain why some people are more susceptible to liver damage, according to a study in the October 17 issue of the Journal of Cell Biology.

Biology / Cell & Microbiology

created Oct 17, 2011 | popularity 4 / 5 (1) | comments 0

Reefs recovered faster after mass extinction than first thought

Metazoan-dominated reefs only took 1.5 million years to recover after the largest species extinction 252 million years ago, an international research team including paleontologists from the University of Zurich ...

Space & Earth / Earth Sciences

created Sep 30, 2011 | popularity not rated yet | comments 0

Physicians' exposure to radiation prompt cellular changes that may protect the body from harm

Cardiologists who perform heart operations using x-ray guided catheters are exposed to ionising radiation at levels two to three times higher per year than those experienced by radiologists. Now, new research has found the ...

Medicine & Health / Other

created Aug 24, 2011 | popularity not rated yet | comments 1