Tag: "brain" at biology news
U of T study identifies possible stem cells in pancreas
...neurons, cells associated with the workings of the brain
and the nervous system. "The existing dogma regard...made between a group of cells destined to make the brain
and another group destined to make the pancreas," he says. "The idea that a single cell within the p...
Enzyme activation appears key in helping internal clock tell night from day
...n experiments at a molecular level deep within the brain
of rats where, like in all mammals, the primary ci... internal clock produces the 24-hour rhythm in the brain
and all cells. The cycle consists of an automatically regulated loop of transcription and translati...
Sweet success in targeting sugar molecules to cells in living animals
... kidney and liver, with much lesser amounts in the brain
and thymus. These findings indicate it may be able to apply this tagging technique to study the biology of other organs and to look for changes in organs that occur in diseases as cancer. According to Bertozzi, advancing the technique to living anima...
Forgetting, reminding, and remembering: The retrieval of lost spatial memory
...st forms of memory loss are caused by some type of brain
injury -- particularly to the hippocampus. Amnesia can arise from brain
damage that interferes with memory storage, retrieval, or consolidation. What ultimately causes amn...
Stanford researcher's findings may shed light on common, deadly birth defect
...er abnormal facial features can read like a map of brain
development gone awry. Now for the first time, res...way can wend its way through an emerging "city" of brain
structures and facial features, influencing each phase of development in slightly different ways. Li...
Stem cell research targets cerebral palsy
...rgia. "We know that we can get stem cells into the brain
and they will turn into brain
cells but we really don't know how well they work," says Dr. James E. Carroll, chief of the MCG Sect...
Marijuana ingredient inhibits VEGF pathway required for brain tumor blood vessels
...ijuana, restrict the sprouting of blood vessels to brain
tumors by inhibiting the expression of genes neede...oward the treatment of these otherwise intractable brain
tumors. "It is essential to develop new therapeutic strategies for the management of glioblastoma mu...
Infant rats eagerly accept high concentrations of alcohol upon first exposure
...es, 12 and 18 days following birth. "In terms of brain
development, rats are much more immature at birth ...the infant rat than the infant human. In terms of brain
development, our rats might correspond to humans between a few days and six months after birth, but ...
Schizophrenia gene variant linked to risk traits
...ationship between a small section of one gene, the brain
chemical messenger glutamate, and a collection of ...egulating glutamate in synapses--spaces in between brain
cells--where chemicals like glutamate transfer information from cell to cell. The amount of glutamat...
Leukemia stem cells identified by Stanford researchers
...elogenous leukemia, breast cancer and two types of brain
cancer. The current work, published in the Aug. 12 New England Journal of Medicine , is the first to describe these cells in chronic myelogenous leukemia. This is also the first time researchers have identified which cell becomes cancerous, transfor...
Joslin Diabetes Center launches research section on developmental and stem cell biology
...rested in adult stem cells, such as bone marrow or brain
stem cells, which exist in tissues after birth, and are likely to give rise to a more limited number of cell types but may have significant therapeutic potential. Scientists also believe that stem cells may someday help to prevent the devastating c...
Brain's reward circuitry revealed in procrastinating primates
...workaholics by temporarily suppressing a gene in a brain
circuit involved in reward learning. Without the ...lth (NIMH). "The gene makes a receptor for a key brain
messenger chemical, dopamine," explained Barry Richmond, M.D., NIMH Laboratory of Neuropsychology. "...
Despite darkness, nocturnal bees learn visual landmarks while foraging at night
...s found that specialized visual cells in the bee's brain
had morphologies suited to summing light signals and intensifying the received image....
Coordinating power of circadian rhythms keeps estrus and pregnancy on track
...that underlie these patterns are controlled in the brain
by a molecular clock that has a period of approxim...viously been known that removal of the part of the brain
responsible for circadian behavior resulted in abnormal reproduction. In the new work, Howard Hughes...
Scientist who discovered Sly syndrome finds new research path to explore for treating the disease
...icine. "It could potentially provide access to the brain
for enzyme therapy in other similar diseases, most... replacement therapy was effective in treating the brain
if given while the mice were very young. "Until now, the reason why the central nervous system of n...
Discoveries in neuroscience
...oor: Connexins found in high concentrations in the brain
are believed to play a critical role in movement, ...Cx50. There are about 20 kinds of connexins in the brain
and eye, as well in organs such as the heart, liver and pancreas. Cx36 is found in the brain; Cx50 i...
Why some animals have smaller eyes: Lifestyle matters
ITHACA, N.Y. If brain
size is proportional to body size in virtually all...s your weight could also derive the weight of your brain
with this allometric equation : log (organ size) = slope constant * log (body weight) + intercept co...
Early clinical treatment can halt progression of Alzheimer's disease, UCI researchers find
...he first evidence that early clinical treatment of brain
lesions can halt the progression of Alzheimer's di...ing specific antibodies to clear a certain type of brain
lesion reversed abnormalities arising from a second type of brain
lesion, which halted the progressi...
Computer imaging of Archeopteryx skull suggests this dinosaur-bird link could fly
...strong evidence that the forerunner to birds had a brain
equipped to handle delicate flight maneuvers. "Th...imal had huge eyes and a huge vision region in its brain
to go along with that, and a great sense of balance," said Dr. Timothy Rowe. "Its inner ear also loo...
Genes may be central to cocaine addiction
... related genes that help control signaling between brain
cells may be central components of the biological ...he neurotransmitter glutamate in the region of the brain
known to be involved in addiction. They also showed increased levels when receiving cocaine. Such br...
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