Tag: "nervous" at biology news
Cardiac arrest may hinder ability to learn certain tasks
...seriously damage neurons, the primary cells of the nervous
system. The neurons that do survive a heart attack... involved in sending signal throughout the central nervous
system and the body. There was an overall 18 percent decrease in dendritic spine density...
Veterans with Gulf War syndrome have damage in specific, primitive portion of nervous system
...red damage in a specific, primitive portion of the nervous
systems of veterans suffering from Gulf War syndro...earchers report that damage to the parasympathetic nervous
system may account for nearly half of the typical symptoms including gallbladder disease, unrefresh...
Brown research reveals key insight into memory-making
...OVIDENCE, R.I. -- How information is stored in the nervous
system, a key to memory and learning, is one of the hottest topics in neuroscience today. New research conducted at Brown University and Duke University Medical Center, published in the current issue of Science , fills in important details about cel...
Economy of movement
...ity function that presumably describes bias in the nervous
system for different movements. The researchers were able to rank a large set of different movements, varied by duration and resistance encountered, relative to each other by individuals' preferences. They found a surprising amount of agreemen...
Targeted therapy knocks out pediatric brain cancer in mice
...ell. "Therapy for pediatric cancers of the central nervous
system has not improved significantly in the last three decades," explains study author Dr. Tom Curran from St. Jude Children's Research Hospital in Memphis, Tennessee. "This is partly due to the absence of adequate model systems for testing novel th...
Can an old gene learn new tricks?
...gene was limited to the development of the central nervous
system (CNS). Dr. Thomas Lufkin from the Genome Institute of Singapore and colleagues show that the mouse Hmx2 and Hmx3 genes have apparently interchangeable functions in CNS development and have overlapping yet distinct functions in the development...
Chemical signals health of brain cells Symposium
... discuss all aspects of NAA, a highly abundant and nervous
system-specific amino acid derivative. The different topics of discussion include: Biochemistry and cell biology of NAA Pathogenesis and treatment of Canavan disease Use of NAA as a neuronal integrity marker for neurological diseases by magneti...
Cell's gatekeeper for ammonia revealed in unprecedented detail
...o ammonia. Advanced liver failure disrupts central nervous
system function when ammonium ion concentrations are elevated, research shows, so the channel's high efficiency is vital. Each channel threads in and out of the cell membrane 11 times and is structured so that no ammonium ion, NH4+, nor any other ion...
Serotonin metabolites in mollusks suggest pathways for human therapies
...y discovered chemical pathways of serotonin in the nervous
system are paving a path toward future pharmaceuti...ells, enabling their message to spread through the nervous
system. "When serotonin is released, you do not want its signal to last forever," said Jonathan Swee...
Common cold virus can cause polio in mice when injected into muscles
...e calf muscle where it was injected to the central nervous
system along "motor neuron axons." Such axons extend from the central nervous
system to muscles throughout the body and convey commands for muscle movement. The site in the muscl...
Convulsions in worms mimic epileptic seizures
...utation's effect on specific neurons in the simple nervous
system of the 1-millimeter roundworm and published...ned. "We knew that LIS1 is highly expressed in the nervous
system, so we wanted to see if there was a way to use C. elegans to understand and simplify the comp...
APS awards more than $140,000 to minority students of physiology
...cess oxygen on electrical signaling in the central nervous
system (CNS). This research will help elucidate the neural mechanism that causes CNS oxygen toxicity. CNS oxygen toxicity is a potential health problem for hyperbaric oxygen therapy patients and U.S. Navy divers who breathe pure oxygen during their...
Review article makes case for a new source of cells in the body
...e scientists and physicians learn that the enteric nervous
system, which innervates the tract, comes from ne..., the first of which may be connecting the central nervous
system with its target tissues, noting how the cells travel with nerves then move ahead of them as i...
JGI announces community sequencing program portfolio
...ing embryological development and functions of the nervous
system. Along with the polychaete worm, Capitella, and the mollusk Lottia, also selected, these are expected to be the first representatives sequenced from the large animal group dubbed the Lophotrochozoa. This group, comprising about one third of ...
Length of sex act in flies dictated by genetics
...y of functions from sleep to body temperature, the nervous
and hormonal systems, moods and work productivity. Clock genes also regulate time perception in humans, a process that may be somehow related to measuring time elapsed in the act of mating by flies, Giebultowicz said. To understand how clock genes ar...
Genetically-engineered 'marathon mouse' keeps on running
... coordinated changes throughout the body, from the nervous
system to the cardiovascular system to the muscle itself. But the remarkable thing about this experiment is that this one change seems to rewire the entire system. "That's exciting to us because it says that this complicated system can be coordinate...
U of T study identifies possible stem cells in pancreas
... associated with the workings of the brain and the nervous
system. "The existing dogma regarding how development occurs states that fairly early in development, there is a distinction made between a group of cells destined to make the brain and another group destined to make the pancreas," he says. "The idea...
Newly discovered protein may be key to muscular dystrophy
...le of a number of important molecules in the human nervous
system. The researchers expect that the protein, w...cular diseases as well as disorders of the central nervous
system." McIntire is a principal investigator at the UCSF-affiliated Gallo Clinic and Research Cente...
Gene associatied with lupus identified
... the skin, kidneys, joints, lungs, and the central nervous
system. The severity of disease and the response to therapy vary widely between patients, said Behrens, and this leads to significant challenges in the diagnosis and management of lupus. "If we know which genes predispose a person to lupus, we may be...
Flame retardant levels much higher in farmed salmon
...been associated in laboratory studies with various nervous
system and reproductive effects, such as impaired learning and development. There are other reasons for concern as well, according to Hites. "If youre a chemist and you draw the structure, they look a lot like PCBs," he explains. "We have a long hist...
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