Tag: "system" at biology news
Reductions in blood oxygen levels in newborns could contribute to ADHD development
...ing studies aimed at preserving the brain dopamine system
in individuals at risk for repetitive reductions in blood oxygenation. These studies could include non-invasive, subtle dietary changes in the mother and the newborn....
Early life stress harms mental function and immune system in later years
...ong-term effects on the developing central nervous system
and its regulation of basic physiology, psychology...e in part to deficits in nitric oxide, a signaling system
in the brain known to connect the immune and stress systems. Twenty-nine pregnant rats were...
Calorie restriction leads to some brain benefits but not others in mice
... cumulative damage with aging and that the nervous system
may be one of the most vulnerable targets," Dugan says. "Most of that evidence has been indirect, though. By using sensitive, state-of-the-art methods, we were actually able to see which cells are producing excess levels of free radicals." Dugan and ...
Pesticides may promote Parkinson's disease and exercise may offer protection
... delivered via a once-a-day skin patch, a delivery system
that enables blood levels of the drug to stay consistent throughout the day. Consistency is vital because too much of the drug can cause uncontrolled movements, and too little can result in paralysis. Past studies have suggested that rotigotine may ...
Sandbagging cancer in the bloodstream
...s with metastatic cancer, because the human immune system
handles tumor cells very well if they are in the c...pacity to get out, you effectively give the immune system
a greater chance of winning the battle." Cheresh, Weis, and their colleagues decided to test whether...
Bug's-eye-view of urinary tract reveals E.coli infection genes
...rch on uropathogenic bacteria, because the urinary system
in mice is similar to humans, and mice respond to urinary tract infections in the same way. To identify the specific E. coli genes that were "turned on" during infection, the scientists first had to collect messenger molecules called RNA. RNA copies ...
Emory study details dolphin brain evolution for the first time
...stic information within a perceptual-communicative system
used by modern dolphins and other odontocetes, Marino says. The second major change occurred in the origin of the superfamily Delphinoidea (oceanic dolphins, porpoises, belugas and narwhals) by about 15 million years ago. Both increases probably rel...
Immune system in a bottle could help prevent flu vaccine shortage
...or our bodies, or even an entire artificial immune system
in a bottle. An immune system
in a bottle would allow faster and easier production of a flu vaccine, thus preventing another short...
Gene therapy approach reverses diabetic neuropathy in animal model, Pitt study finds
... the sensory neurons within the peripheral nervous system
and is characterized by such symptoms as numbness, tingling, pins and needles or loss of sensation, most often to the legs and feet. As a result, patients may be unaware of the presence of ulcers or infections or that they've experienced injury. No t...
Government development policies, not communities, main threat to forest conservation projects
...oved from a 'fences and fines' approach based on a system
of heavily guarded, protected areas, to a more inc...res of forest in private logging concessions, in a system
that excludes local communities and threatens their lands. Currently, this is the main threat to fo...
Yerkes researchers to present array of new data at Society for Neuroscience Meeting
...howed early life experiences play a role in immune system
development by examining, for the first time, the ...gative early life experiences had decreased immune system
function as adults. (2 pm 3 pm) Jim Herndon, PhD, research professor, Agnes Lacreuse, PhD, assist...
Genetically endowed worm may substitute for rodents in some toxicology testing
... toxin or cause cancer, we will put it through our system
to help find out. What we've done is save that com...ch a "high-throughput" C. elegans toxicity testing system
that will use robotic equipment to mix chemicals and sort worms efficiently. During this evalua...
Novartis receives European marketing authorization for Emselex(R)
...s an excellent efficacy as well as central nervous system
and cardiovascular safety profile, offering physic...ceptors believed to be involved in central nervous system
(CNS) and cardiovascular (CV) function, respectively. (1) Emselex has been shown to reduce the numb...
Paratek Pharmaceuticals presents multiple sclerosis data at Society for Neuroscience annual meeting
...s a chronic, inflammatory condition of the nervous system
and the most common, non-traumatic, neurological disease in young adults. Dr. David McKenney, a Paratek scientist, will present the findings during an oral presentation at 2:30 p.m. PST (5:30 p.m. EST) today at Neuroscience 2004, the Society for Neu...
UCSD biologists discover chemical important in guiding visual system development
... waves of neural activity in the developing visual system
have a remarkably stereotyped temporal pattern," s...s waves of activity occur in the developing visual system
of the fetus during the second trimester of pregnancy. Therefore, medications taken by the mother t...
Common household fragrances may be harming aquatic wildlife, study finds
...mful in the sense that they compromise the defense system
and let other chemicals in that could be more harmful," Epel said. "The amazing thing is that, even if you wash the chemical fragrance away, there's a long-term effect up to 48 hours after removal." These results indicate that even short-term events,...
UCLA and Univ. of Utah researchers identify how a hormone regulates iron
...rtin, too much iron is taken up from the digestive system
into the body, which can lead to hemochromatosis, a major genetic disorder affecting about a million people in the United States. "For the first time we understand what happens in the disease hemochromatosis," said Dr. Tomas Ganz, Ph.D., M.D., one of...
ASU gets grant to develop high speed DNA sequence reader
... Goal of the three-year ASU grant is to develop a system
that can read DNA sequence up to one thousand times faster and costing only a hundredth as much as current methods. If successful, Williams said the project could lead to relatively cheap machines that can read the genome for use in research, and it ...
Scientists closing in on nerve proteins' contributions to memory and hearing loss
...g loss, scientists have shown that two key nervous system
proteins interact in a manner that helps regulate ...mall physical gap, and to other aspects of nervous system
development and communication. Until recently, researchers gave little attention to Nrg-ICD, the ...
New AAAS report cites 'serious concerns' with electronic voting
...ts on election technology warned that the American system
of voting is broadly vulnerable to error and abuse, and called for a crash-course of study and reform to make results more reliable and to promote better access by voters, especially those who have historically encountered serious impediments to exer...
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