Tag: "brain" at biology news
Altering a protein makes mice less fearful
... to a predator. However, little is known about the brain
mechanisms involved in innate fear responses. Th...at this protein may be a critical component of the brain
systems that underlie innate fear. The UI team, led by John Wemmie, M.D., Ph.D., assistant profess...
How a pain in the neck could be bad for your blood pressure
...ars has examined pathways between the neck and the brain
to show how the neck muscles could play a crucial ...ce for a role for these connections in influencing brain
regions which control body functions that we don't need to think about, such as breathing and blood ...
JCI table of contents: August 1, 2007
...e aspect of such research is understanding how the brain
controls these processes. Expression of the protein AMPK in neurons in the brain
has been suggested to be important for regulating energy balance, but in which neurons its expressio...
New study demonstrates important role of glia in circadian timing
...nction independently of, or in concert with, other brain
cells (neurons) to control circadian behavior. Most organisms, says Jackson, from Drosophila to humans, have the ability to adapt the timing of behavior or other processes to environmental cycles using an intrinsic time-keeping device called a circ...
Reading a face is tricky business
...nsciously noticed, they still get picked up by the brain
and make their way through the visual system. The ...re viewing subliminal emotional expressions, their brain
activity was altered within 200 milliseconds, said Ken Paller, co-investigator of the study and prof...
New data reveal pregnancies exposed to accutane despite risk management program
...ated with isotretinoin include mental retardation, brain
and heart defects. Birth defects or miscarriages can occur soon after conception, often before a woman realizes she is pregnant....
Huntington's disease study shows animal models on target
...tingtin protein. Neurons in certain regions of the brain
succumb to the effects of the altered protein, leading to severe motor, psychiatric, and cognitive decline. Several recent studies have shown that the mutant huntingtin protein modifies the transcriptional activity of genes in affected neurons. This ...
Stem cell therapy rescues motor neurons in ALS model
... is unknown. In the new Wisconsin study, nascent brain
cells known as neural progenitor cells derived from human fetal tissue were engineered to secrete a chemical known as glial cell line derived neurotrophic factor (GDNF), an agent that has been shown to protect neurons but that is very difficult to de...
American Chemical Society's Weekly PressPac -- July 25, 2007
... an alternative to stem cells for treating chronic brain
diseases Oil spill clean-up agents threaten co... an alternative to stem cells for treating chronic brain
diseases Journal of the American Chemical Society With ethical issues concerning use of disca...
Geisinger scientist seeks cure for Lou Gehrig's disease, creating device to find treatment
...nerative condition that affects nerve cells in the brain
and the spinal cord. As many as 20,000 Americans s...d. ALS is a terrible disease, Gerhard says. Your brain
is fine but your body and your muscles just waste away....
Reading ability protects brain from lead exposure
...tection against the effect of lead exposure on the brain
than those who do not read as well, according to a...egative effects on nerves and a number of areas of brain
functioning. Certain well-ingrained brain
functions, however, seem resistant to the effects of lead...
Zebrafish: It's not your parents' lab rat
...xplained areas in developmental biology -- how the brain
and central nervous system develop. It helps that zebrafish embryos grow from just a single cell to having a forebrain, hindbrain, spinal column and eye within a scant 24 hours. It also helps that the embryos are transparent and develop outside their...
Nature's weapon against nerve agents
... to nerve agents or as a result of other forms of brain
injury including stroke or disease they release f... GOT in the blood was found to prevent much of the brain
damage caused after brain
injury in rats. It appears that most of the damage that is caused is due t...
Prenatal stress keeps infants, toddlers up at night, study says
...childs formation of a bundle of nerve cells in the brain
called the suprachiasmatic nucleus which act as a signaling system that tunes bodys internal clock. This signaling system helps to properly regulate daily rhythms of waking, sleeping, even hunger that is, if its formation has not been disrupted. ...
Strength of connections between brain regions may affect an adolescent's response to peer influence
... hand movements and angry faces and measured their brain
activity. They found that the brains of all childr...portant if we are to understand how the adolescent brain
attains the right balance between acknowledging the influences of others and maintaining ones indepe...
$9M grant awarded to University of Cincinnati for bipolar disorder research
...der, and to better understand how to identify this brain
disorder earlier with the goal of preventing disea...d to measure the locations and amounts of specific brain
chemicals based on their magnetic properties to study what bipolar disorder looks like in the brain,...
Learning a second language -- Is it all in your head?
... literally, could be in your head. Our study links brain
anatomy to the ability to learn a second language ...Cortex. Based on the size of Heschls Gyrus (HG), a brain
structure that typically accounts for no more than 0.2 percent of entire brain
volume, the researche...
Females more prone to brain damage from alcohol abuse
...dical Center suggests that women are more prone to brain
damage from alcohol abuse than men. The study le...ohol withdrawal, including significantly increased brain
cell death, than male mice. It also found the gender difference exists whether the animals are prone...
Scratch no more: Gene for itch sensation discovered
...knew which gene was responsible for itching in the brain
or in the spinal cord until now." In fact, Chen's team became interested in GRPR because they were looking for genes in the pain pathway. Among potential pain-sensing genes they identified, GRPR stood out because it is present in only a few nerve cel...
Discoverer of Sly Syndrome finds way of delivering medicine to fight rare genetic disorder
...lood-brain barrier, a structure which protects the brain
from foreign substances, if it is given with the h...hs, and 90 percent of those with the diseases have brain
involvement. What we find with Sly Syndrome has some importance for all those diseases as well. It i...
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