News tagged with oxygen supply


Lack of oxygen in cancer cells leads to growth and metastasis

(Medical Xpress)—It seems as if a tumor deprived of oxygen would shrink. However, numerous studies have shown that tumor hypoxia, in which portions of the tumor have significantly low oxygen concentrations, ...

Cancer created Sep 13, 2012 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Scientists identify genes that may signal long life in naked mole-rats

Scientists at the University of Liverpool have identified high levels of a number of genes in the naked mole-rat that may suggest why they live longer than other rodents and demonstrate resistance to age-related diseases.

Cancer created Nov 03, 2011 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Better management of traumatic brain injury

New treatments to lessen the severity of the more than 21,000 Traumatic Brain Injury (TBI) cases that occur in Australia each year are on the horizon.

Neuroscience created Jul 19, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Protein that helps tumor blood vessels mature could make cancer drugs more effective

Since anti-cancer drugs are carried to tumors by the bloodstream, abnormal blood vessel development can hamper delivery. In a paper published Aug. 14 in Cancer Cell, researchers at Sanford-Burnham Medica ...

Cancer created Aug 13, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Enzyme explains angina in diabetics

(Medical Xpress)—In a new study published in the scientific journal Circulation, scientists at Karolinska Institutet and Karolinska University Hospital show that an enzyme called arginase might have a key ...

Cardiology created Nov 27, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Researchers identify new target for common heart condition

Researchers have found new evidence that metabolic stress can increase the onset of atrial arrhythmias, such as atrial fibrillation (AF), a common heart condition that causes an irregular and often abnormally fast heart rate. ...

Cardiology created Jan 08, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Medical myth: Flatlining patients can be shocked back to life

Beep….beep……….beep……….beeeeeeeeeeeeeeeeeeeeeeeeep. "We're losing him. Out of my way, nurse!" The quick-thinking young doctor charges the defibrillator paddles and places them on the chest of ...

Cardiology created May 14, 2013 | popularity 5 / 5 (1) | comments 0

Cold air chills heart's oxygen supply

People with heart disease may not be able to compensate for their bodies' higher demand for oxygen when inhaling cold air, according to Penn State researchers, making snow shoveling and other activities dangerous for some.

Cardiology created Feb 28, 2012 | popularity 4 / 5 (1) | comments 0

Europe switches to self-extinguishing cigarettes

It's lights out in Europe this weekend for old-style cigarettes that manufacturers haven't adapted to burn themselves out if left unattended.

Health created Nov 14, 2011 | popularity 3 / 5 (1) | comments 1