Hypoxic Current Events | Hypoxic News | 2
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Ocean 'dead zones' trigger sex changes in fish, posing extinction threat
Oxygen depletion in the world's oceans, primarily caused by agricultural run-off and pollution, could spark the development of far more male fish than female, thereby threatening some species with extinction. view more (2006-03-30)
DVT Risk From Air Travel Unrelated To Reduced Air Pressure In Cabin (p 2207)
Results of a study published as a research letter in this week's issue of THE LANCET suggest that reduced air pressure (leading to decreased oxygen availability) in pressurised aircraft cabins is not associated with increased activity of the agents responsible for blood clotting and potential deep-vein thrombosis (DVT). The risk of venous... view more... (2003-06-25)
Inhaled nitric oxide may help sickle cell disease
Inhaling a small dose of nitric oxide gas may one day help sickle cell patients avoid pain crises and live healthier lives, researchers say. view more (2005-10-24)
Hearts of male and female rainbow trout are different
The heart is one of the most energy demanding organs of the human body. Its failure to function properly accounts for 600,000 deaths each year. Similarly, the rainbow trout, native to the Pacific Northwest and beloved as a sport- and food fish, requires dynamic and sustained cardiac function to maintain its health and swimming activity. view more (2007-04-30)
Marine 'dead zone' off Oregon is spreading
A hypoxic "dead zone" has formed off the Oregon Coast for the fifth time in five years, according to researchers at Oregon State University. view more (2006-07-28)
Unraveling how cells respond to low oxygen
Gary Chiang, Ph.D., and colleagues at Burnham Institute for Medical Research (Burnham) have elucidated how the stability of the REDD1 protein is regulated. view more (2009-08-06)
Scientists unlock solid tumor treatment genetic secrets
A biochemical mechanism that cells use to cope with hypoxia (lack of oxygen) actually cooperates with a less well-known mechanism that helps increase the expression of those hypoxia-sensitive genes. view more (2005-12-02)
Oxygen deprived brains repaired and saved
Scientists from Melbourne's Howard Florey Institute have found special proteins that protect the brain after it has been damaged by a lack of oxygen, which occurs in conditions such as stroke, perinatal asphyxia, near-drowning and traumatic brain injury. view more (2006-08-25)
Study shows continued spread of 'dead zones'
A global study led by Professor Robert Diaz of the Virginia Institute of Marine Science, College of William and Mary, shows that the number of "dead zones"-areas of seafloor with too little oxygen for most marine life-has increased by a third between 1995 and 2007. view more (2008-08-15)
New groundbreaking treatment for oxygen-deprived newborns
Until now immediate cooling of the newborn infant was the only treatment that could possibly prevent brain damage following oxygen deprivation during delivery. view more (2009-08-11)
Ways to avoid hazards of heart bypass under study
The heart-lung bypass machine that stills the heart while surgeons bypass an adult's clogged arteries or repair a baby's malformed heart can also trigger a potentially deadly inflammatory response. view more (2005-08-29)
Coffee: a cause of neonatal seizures?
Epidemiological observations raised the possibility that coffee was deleterious for newborn babies. For the last ten years the American Food and Drug Administration (FDA) has therefore recommended that pregnant women limit their consumption of coffee. view more (1999-06-16)
A new chemotherapeutic target for hepatocellular carcinoma
Hepatocellular carcinoma (HCC) is a major health problem worldwide. Currently, the only chance for obtaining a cure in patients with HCC is by either a surgical resection or liver transplantation. view more (2007-10-25)
Cool therapy reduces brain injury and death from oxygen loss in newborns
Infants born with oxygen loss who are given an innovative therapy that lowers their entire body temperature by four degrees within the first six hours of life, have a better chance of survival and lower incidence of brain injury. view more (2005-10-14)
Researchers identify genetic switch critical for cell survival in hypoxia
Researchers at the University of California, San Diego School of Medicine have identified a critical metabolic "switch" in fruit flies that helps oxygen-deprived cells survive. view more (2008-10-17)
Bedtime Oxygen Tent 'Supercharges' Olympian Athlete
Olympic runner Spencer Duval says a fitness technique he is pioneering with the support of a sports science expert at Staffordshire University could significantly boost the performance of other UK endurance athletes aiming for medals in the Sydney 2000 Games. Spencer, 30, who is set to represent Great Britain in the 3,000 metres steeplechase, is... view more... (2000-06-05)
NOAA and Louisiana scientists predict largest Gulf of Mexico 'dead zone' on record
NOAA-supported scientists from the Louisiana Universities Marine Consortium and Louisiana State University are forecasting that the "dead zone" off the coast of Louisiana and Texas in the Gulf of Mexico this summer could be the largest on record. view more (2008-07-16)
Study simulating aircraft conditions suggests increased risk of venous thrombosis (p 1657)
Two weeks after a study published in THE LANCET concluded that there was no increased risk of venous thrombosis from air travel (Kraaijenhagen RA, Haverkamp D. Travel and risk of venous thrombosis. Lancet 2000; 356: 1492-93), a research letter published in this week’s issue of THE LANCET suggests an increased risk of venous thrombosis in a... view more... (2000-11-08)
Link between chronic kidney disease and oxygen-deprived tissue
Researchers at the University of Pennsylvania School of Medicine have discovered how low-oxygen conditions can worsen chronic kidney disease (CKD). view more (2007-12-19)
Perinatal complications linked to eating disorders
Certain complications during and immediately after birth are associated with the development of the eating disorders anorexia nervosa and bulimia nervosa. view more (2006-01-03)
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