Oxygen News and Research

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NanoSIMS instrument clarifies nutrient cycle

Scientists at the University of Southern California have applied a nanoscale imaging method to a biological system, helping to clear up an old puzzle of the global carbon and nitrogen cycle.

9 Jul 2007

Include children in research to make breakthroughs in child medicine

Scientists will only make real breakthroughs in children's medicine if they include children in research programmes as well as adults, according to a leading paediatric expert.

9 Jul 2007

Scientists discover protein instrumental to brain development and repair

Scientists at Children's National Medical Center have demonstrated conclusively that a specific protein and its signaling activity are instrumental in myelination and remyelination, processes essential to the creation and repair of the brain's white matter.

9 Jul 2007

Biomira files NDA for novel inhibitor of hypoxia-inducible factor-1 alpha

Biomira Inc. has announced that it has submitted an investigational new drug (IND) application to the U.S. Food and Drug Administration for PX-478. PX-478 has been shown in preclinical studies to inhibit hypoxia-inducible factor (HIF)-1 alpha, a protein that controls the transcription of a number of genes whose products are important for tumor growth and survival.

4 Jul 2007

Four hours in ecomony class doubles the risk for deep vein thrombosis

According to the World Health Organization (WHO) the chances of developing deep vein thrombosis ( DVT) double after traveling for four hours or more; this says WHO equates to one in 6,000 long-haul passengers at risk of potentially dangerous blood clots.

2 Jul 2007

Reactive oxygen species mediate a cellular 'memory' of high glucose stress signaling

Researchers at the University of Warwick’s Warwick Medical School have uncovered a process that locks the body’s metabolism in a diabetic state after only relatively limited exposure to high glucose levels.

29 Jun 2007

Early exposure to iron and later exposure to herbicide paraquat may accelerate age-related neurodegeneration

Exposure to iron during the first weeks of life in combination with exposure later in life to a common herbicide may contribute to the subsequent degeneration of brain cells associated with the onset of Parkinson's disease (PD), according to a new study in mice.

28 Jun 2007

Childhood injections could be replaced with oral doses of the medicine

Children suffering from pneumonia could be spared the pain of the doctor's needle, thanks to new research funded by the British Lung Foundation.

27 Jun 2007

Conference to address healthcare policy and patient safety

Practical solutions for boosting quality in healthcare and patient safety will take center stage when the American Academy of Otolaryngology – Head and Neck Surgery hosts the 2007 Quality in Otolaryngology conference in Arlington, VA.

26 Jun 2007

Omega-3 polyunsaturated fatty acids protect against retinopathy

Omega-3 polyunsaturated fatty acids protect against the development and progression of retinopathy, a deterioration of the retina, in mice.

26 Jun 2007

Scientists look at the ecosystem within us

For more than 100 years, scientists have known that humans carry a rich ecosystem within their intestines.

26 Jun 2007

Basically eating fish may protect against type of blindness

Increasing intake of the omega-3 fatty acids DHA and EPA, found in popular fish-oil supplements, may protect against blindness resulting from abnormal blood vessel growth in the eye, according to a study published online by the journal Nature Medicine on June 24.

26 Jun 2007

Marijuana holds a signature of the environment grown in

Scientists at the Alaska Stable Isotope Facility can tell whether marijuana confiscated in a traffic stop in Fairbanks likely came from Mexico or the Matanuska Valley.

23 Jun 2007

Study to investigate how dietary iron is used by cells

A four-year study on iron metabolism within cells, an essential process that impacts both iron deficiency and iron toxicity, conditions responsible for a multitude of human diseases, is underway at the University at Buffalo funded by a $1.16 million grant from the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).

23 Jun 2007

Key mechanism identified by which the body regulates iron metabolism

Scientists at the University of California, San Diego (UCSD) have determined a key mechanism by which the body regulates iron metabolism, a discovery that may provide new approaches for the treatment of anemia.

23 Jun 2007

High rate of misdiagnosis in patients in an acute vegetative state

New studies underline the importance of extreme caution in any decision to limit the life chances of patients during the acute phase of a vegetative state.

20 Jun 2007

Two complementary commanders in charge of the brain

A probe of the upper echelons of the human brain's chain-of-command has found strong evidence that there are not one but two complementary commanders in charge of the brain, according to neuroscientists at Washington University School of Medicine in St. Louis.

20 Jun 2007

New target for therapies for retinopathy

A protein long thought to be one of the body's supporting players has quietly been taking a lead role in healthy eyesight, a discovery that could rapidly lead to treatments for babies born before their eyes are finished growing, University of Florida and Harvard Medical School researchers have found.

19 Jun 2007

Analysis of steroids as a treatment for sudden hearing loss

Although steroids are the most widely used treatment for sudden hearing loss, little scientific evidence supports their use or that of any other therapies for this condition, according to a systematic review and meta-analysis both published in the June issue of Archives of Otolaryngology, Head & Neck Surgery.

19 Jun 2007

Fat oxidation during exercise and physical activity

In a paper published in The Journal of Physiology, Helge, Stallknecht, Richter, Galbo, and Keins from Copenhagen shed light on fat oxidation during exercise and physical activity.

19 Jun 2007