Tag: "brain" at biology news
When blood can't get to brain, special CT scan helps
ANN ARBOR, Mich. -- It's a no-brainer that the brain
needs a constant supply of blood to keep it going....flow. Whether it's a stroke, a clogged artery or a brain
tumor, any situation where blood can't get to the whole brain
can lead to death or permanent disabil...
UCSD study shows how we perceive world depends on precise division of labor among cells in brain
...heds light on the long-standing mystery of how the brain
makes sense of the information contained in electr...ziani explains how neurons, or nerve cells, in the brain
sort out information before deciding how to respond. The paper will appear in a forthcoming print is...
Study of ProCord for neurologically complete spinal cord injury
...ailable for individuals with spinal cord injuries, brain
injuries, and a variety of other neuromuscular, mu...ed rehabilitation programs in spinal cord injury, brain
injury, stroke, amputation and orthopedic, neuromuscular and musculoskeletal disorders. In fact, Ke...
Temple virologist receives NIH grant to continue investigation of HIV dementia complex
...IV infection of the central nervous system and the brain
is really the cause of severe HIV dementia, and cu...which holds that these macrophages might enter the brain
early during infection, secretly carrying the AIDS virus and allowing the long-term resident macroph...
Two dinosaurs from Africa give clues to continents' split
...ront, but we quickly realized we were looking at a brain
case, and that it was probably an abelisaur -- a huge find," Sereno said. Both Rugops and Spinostropheus came from the Cretaceous Period, when this area of Africa featured broad rivers and lush plains. Today it is located in the southern Sahara Deser...
RNAi delivery system crosses blood-brain barrier to target brain cancer
...lded by a normally impermeable obstacle, the blood brain
barrier. In the June 1 issue of the journal Clinic...ferrin receptor, a key protein portal in the blood brain
barrier, and then gains entry into brain
cancer cells with the second antibody targeting the human i...
Clemson researcher receives Komen grant
...rolactin (PRL), a hormone normally produced in the brain
and mainly responsible for mammary gland development and milk production, may be involved in breast cancer development. "The involvement of PRL in breast cancer is likely due to, in some cases, the fact that mutated breast cells produce PRL as their ...
Brain disease research, particle physics meet in the middle (ware)
...to share and compare massive data sets such as MRI brain
scans or high-resolution electron microscopy images is essential to participants research into Alzheimer's disease, depression, schizophrenia, multiple sclerosis and other disorders. With the participating research labs connected by the Internet2 hi...
UW-Madison scientists find a key to cell division
... cell division may also work in the neurons in our brain
or during wound healing, for example. So understanding how cell division works can help us understand how many other specific types of cells function." With a new understanding of which proteins affect cell division, medical researchers can potential...
'Dissecting sleep' by studying the strange phenomenon of cataplexy
cell activity in dogs with a genetic form of narcolepsy, neurobiologists Jerome Siegel and his colleagues have presented evidence that wakefulness is maintained by the activity of neurons triggered by the neurotransmitter histamine. The discovery wil...
Nanoparticles illuminate brain tumors for days under MRI
...oparticle as small as a virus can outline not only brain
tumors under magnetic resonance imaging, but also other lesions in the brain
that may otherwise have gone unnoticed, according to a study published in the journal Neuropathology...
Gene linked to alcoholism
...lement binding protein, which is known to regulate brain
function during development and learning. "This is...REB is activated, it regulates the production of a brain
protein called neuropeptide Y. Low levels of active CREB or of neuropeptide Y correlate with symptom...
VA/UCLA researchers pinpoint role of histamines in waking
...ory and UCLA Neuropsychiatric Institute shows that brain
cells containing the chemical histamine are critic...during sleep, while cessation of activity in other brain
cells--those containing the brain
chemicals norepinephrine or serotonin--causes loss of muscle tone ...
Vaccines against foodborne disease on horizon
...yndrome, which is characterized by kidney failure, brain
damage and sometimes death. Sharon Wen and her colleagues at the Uniformed Services University of the Health Sciences in Bethesda, Maryland, successfully transferred a modified version of one of the shiga toxin genes into tobacco plants. This plant...
Moving targets: when it comes to patterns, motion gets factored in
...e patterns, these findings indicate that the human brain
uses the whole visual motion system to integrate spatial pattern information along the trajectory of motion. The work provides an answer to the question of why we can see clear patterns even when they are moving....
Small trial shows daclizumab add-on therapy improves MS outcome
...combined therapy had a 78 percent reduction in new brain
lesions and a 70 percent reduction in total lesion...opment of lesions in the brain. Messages from the brain
to the body are interrupted as nerve fibers begin to lose their protective coating of myelin, result...
Combination therapy dramatically improves function after spinal cord injury in rats
...hown that supporting cells from nerves outside the brain
and spinal cord, called Schwann cells, can be used to make a "bridge" across the damaged spinal cord that encourages nerve fibers to regrow. Other research has suggested that a substance called cyclic AMP (cyclic adenosine monophosphate) can turn on...
Discovery in parasite movement may offer insights into malaria
...a gondii, an organism that can cause blindness and brain
damage in people with an impaired immune system and can cause severe disease in first trimester fetuses. In addition, the organism is used as a model experimental system for studying the closely related mosquito-borne malaria parasite Plasmodium. "Th...
Cancer drug resistance research leads to possible therapeutic target for Alzheimer's disease
...t Fox Chase Cancer Center. The protein, active in brain
tissue, could be a target for new drugs to treat p...is transporter is also expressed at high levels in brain
tissue and may be linked with the transport of molecules relevant to the etiology of Alzheimer's dis...
20 May AAAS lecture: Computers that Respond to Human Emotion
... To do this, she started researching how the human brain
is able to process multiple senses simultaneously. "I kept bumping into lower level brain
structures that help weigh things and that have a lot to do with human emotions. In a similar fashio...
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