News tagged with oxygen supply
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
May 14, 2013 |
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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
Sep 13, 2012 |
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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
Jan 08, 2013 |
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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
Nov 03, 2011 |
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Xenon gas successfully delivered to babies in ambulance
(Medical Xpress)—Two babies at risk of brain injury following a lack of oxygen at birth have received xenon gas and cooling therapy while being transferred from one hospital to another in a specially equipped ambulance.
Other
Apr 30, 2013 |
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Tumor suppressor genes vital to regulating blood precursor cells in fruit flies
UCLA stem cell scientists have shown that two common tumor suppressor genes, TSC and PTEN, are vital to regulating the stem cell-like precursor cells that create the blood supply in Drosophila, the common fruit fly.
Medical research
Sep 05, 2012 |
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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
Aug 13, 2012 |
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New cancer diagnostic technique debuts
Cancer cells break down sugars and produce the metabolic acid lactate at a much higher rate than normal cells. This phenomenon provides a telltale sign that cancer is present, via diagnostics such as PET scans, and possibly ...
Cancer
Mar 14, 2013 |
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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
Feb 28, 2012 |
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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
Jul 19, 2012 |
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An economical, effective and biocompatible gene therapy strategy promotes cardiac repair
Dr Changfa Guo, Professor Chunsheng Wang and their co-investigators from Zhongshan hospital Fudan University, Shanghai, China have established a novel hyperbranched poly(amidoamine) (hPAMAM) nanoparticle based hypoxia regulated ...
Medical research
Jul 06, 2012 |
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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
Nov 27, 2012 |
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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
Nov 14, 2011 |
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Radiation-induced damage to brain tissue reversed by oxygen starvation in mice
Treating brain tumors with whole brain radiation therapy can damage healthy brain tissue, but a new study in mice reveals that limiting the oxygen supply, or hypoxia, can alleviate some of the cognitive impairment caused ...
Other
Jan 18, 2012 |
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New agent improves kidney transplant survival in mice, likely to speed replacement of other organs
New research published online in the FASEB Journal details a new antibody, called "OPN-305" that may significantly improve survival outcomes for those receiving donated kidneys and other organs. OPN-305 works by preventing inflam ...
Other
Jan 31, 2012 |
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