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Tag: "breathing" at biology news

Gene Therapy For Parkinson's Disease Moves Forward In Animals

... John Paul II was recently hospitalized because of breathing problems that were complicated by his advancing Parkinson's disease. “The use of GDNF as an approach against Parkinson's disease has truly had some ups and downs,?said J. William Langston, M.D., scientific director and chief executive officer of The...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

...siologists for decades: why insects routinely stop breathing for minutes at a time. Challenging previous theor...nue breathing. "We propose that most insects stop breathing in order to lower their internal oxygen concentration to physiologically safe levels, and that they ...

New studies suggest airborne SARS transmission is possible

...the virus from an infected patient to the air, via breathing or coughing. During the outbreak in Toronto hospitals, health care workers became infected with the virus despite observance of strict infection control precautions. The investigators wondered whether environmental contamination of hospital air or s...

New research indicates a 'troubled' greenhouse is brewing

...igh atmospheric carbon dioxide from studies of the breathing pores in fossil leaves," he explains. "At that time, Wyoming warmed from a mean annual temperature of some 55 degrees to a summer-like 65 degrees Fahrenheit. Rainfall in Utah jumped from 16 inches per year to 26 inches per year. As a result, sagebrus...

Gene therapy for Parkinson's disease moves forward in animals

... John Paul II was recently hospitalized because of breathing problems that were complicated by his advancing Parkinson's disease. "The use of GDNF as an approach against Parkinson's disease has truly had some ups and downs," said J. William Langston, M.D., scientific director and chief executive officer of Th...

Buying Time Through Hibernation on Demand

...erature and metabolic activity. Within minutes of breathing the hydrogen sulfide and room-air cocktail, the mice stopped moving and appeared to lose consciousness, their respiration dropped from the normal 120 breaths per minute to fewer than 10 breaths per minute, and their core temperature dropped from the ...

U-M team recovers ancient whale in Egyptian desert

...erature and metabolic activity. Within minutes of breathing the hydrogen sulfide and room-air cocktail, the mice stopped moving and appeared to lose consciousness, their respiration dropped from the normal 120 breaths per minute to fewer than 10 breaths per minute, and their core temperature dropped from the ...

Low oxygen likely made Great Dying worse, greatly delayed recovery

...level became uninhabitable because low oxygen made breathing too difficult for most organisms to survive, said ...culated that when the oxygen level hit 16 percent, breathing at sea level would have been like trying to breathe at the summit of a 9,200-foot mountain today. By...

Scientists reveal the shape of a protein that helps retroviruses break into cells

...level became uninhabitable because low oxygen made breathing too difficult for most organisms to survive, said ...culated that when the oxygen level hit 16 percent, breathing at sea level would have been like trying to breathe at the summit of a 9,200-foot mountain today. By...

New strategies to reduce hospital-aquired infections

...ontact with or ingestion of drinking water or ice, breathing aerosols from showers and faucets and even from improperly reprocessed medical devices. As hospitals increasingly recognize the risks to patient health, they are employing a variety of treatment technologies to attempt to eradicate microbes from inco...

Distributed Basic Local Alignment Search Toolkit (W.ND-BLAST)

...ontact with or ingestion of drinking water or ice, breathing aerosols from showers and faucets and even from improperly reprocessed medical devices. As hospitals increasingly recognize the risks to patient health, they are employing a variety of treatment technologies to attempt to eradicate microbes from inco...

Atmosphere may cleanse itself better than previously thought

...hat could be giving our pollution-weary lungs more breathing room." Francisco's research, which he performed at the University of California, San Diego with two of that institution's scientists, lead author Amitabha Sinha and graduate student Jamie Matthews, appears in this week's (May 9?3) online early editi...

Cancer related gene p53 not regulated as indicated by previous tissue culture research

...om in vitro studies may not be relevant to living, breathing organisms. The Salk scientists' findings are published in this week's online early edition of the journal Proceedings of the National Academy of Sciences. Until now, scientists had assumed, based on studies in cultured cells, that p53 had to be modi...

How exactly does the brain control breathing?

An understanding of exactly how the brain controls breathing is fundamental to the treatment of respiratory disorders. We know that breathing is an automatic rhythmic process that persists without conscious effort whether we are awake or asle...

Bacterial genome sheds light on synthesizing cancer-fighting compounds

Sea squirts around the world are breathing a sigh of relief, as they no longer run the risk of being harvested for their natural disease-fighting substances. Scientists recently discovered that the bacterium Prochloron didemnii, which lives symbiotically inside the sea squirt, actually produc...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

...comparable to those of a smoking human mother. The breathing abilities and lung development of these monkeys was then compared with monkeys born to mothers who had received both nicotine and vitamin C doses during pregnancy. A third group of baby monkeys that did not receive either nicotine or vitamin C during...

Researchers identify genes associated with lung transplant rejection

... In obliterative bronchitis, scar tissue forms in breathing passages of the transplanted lung, narrowing them ... Currently, he says, OB is best detected through a breathing test--but by the time the disease has a perceptible impact on the patient's ability to breathe, it's...

Naturally occurring asbestos linked to lung cancer

..., said the findings are important. "We showed that breathing asbestos in your community is not magically different from breathing asbestos in an industrial setting. It would have been a surprise to find otherwise." Similarly, she...

Does manganese inhaled from the shower represent a public health threat?

...show the potential for permanent brain damage from breathing vaporized manganese during a shower. It was conducted by reviewing the medical literature and calculating, based on animal studies, the amount of manganese people would absorb by showering 10 minutes a day. Because manganese is monitored in public w...

Human cerebellum and cortex age in very different ways

...which regulates basic processes such as heartbeat, breathing and balance. Their work, based on an analysis of gene expression in various areas of human and chimpanzee brains, also shows that the two species' brains age very differently, despite their close evolutionary relationship. The research, by scientist...

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