Tag: "brain" at biology news
Avian influenza survivors' antibodies effective at neutralising H5N1 strain
...almost completely prevented the virus reaching the brain
or spleen. In those people in Vietnam who died from the H5N1 strain, the virus was found to have spread from the lungs; this was not the case in those who survived. "We have shown that this technique can work to prevent and neutralise infection by ...
A first -- Hebrew University scientist observes brain cell development in 'real time'
...observing in vivo the generation of neurons in the brain
of a mammal. Dr. Adi Mizrahi of the Department ...ell. This has great significance for the future of brain
research, said Dr. Mizrahi, since "the structural and functional complexity of nerve cells remains o...
Endogenous cannabinoids linked to fetal brain damage imposed by maternal cannabis use
A critical step in brain
development is governed by endogenous cannabinoids...he key to survive and contribute to the control of brain
functions. The process through which nerve cells recognize each other is guided by specific chemical...
JCI table of contents: May 24, 2007
...LIC DISEASE Mind over liver: Resistins action in brain
linked to liver insulin resistance Resistin is a small protein secreted by the immune cells monocytes and macrophages, and has been linked to insulin resistance, atherosclerosis, and inflammation. Recently, studies in mice have shown that resistin...
CSHL links activity in brain synapses and developmental abnormalities with schizophrenia gene
...hain reaction negatively impacting synapses in the brain
which contribute to the abnormal development of brain
circuits and may lead to schizophrenia." By discovering the connections between genes and how th...
New adult brain cells may be central to lifelong learning
The steady formation of new brain
cells in adults may represent more than merely a p...aging brains, a new study has shown. The new adult brain
cells may serve to give the adult brain
the same kind of learning ability that young brains have whi...
New study indicates that people may need more dietary choline than previously thought
...s, including those involved with liver metabolism, brain
and nerve function, memory, and the transportation of nutrients throughout the body. In this depletion-repletion study, 57 adult subjects (26 men, 16 premenopausal women and 15 postmenopausal women) were fed a diet containing 550 mg of choline for ...
2007 Alzheimer Award to Jing Zhang, M.D., Ph.D.
...n Jacksonville. Obtaining well characterized human brain
and CSF samples from his collaborators is a very i... in 2001. While his research focus was centered on brain
ischemia in his Ph.D. program, as a neuropathology fellow, Dr. Zhang turned his attention to neurode...
News tips from the Journal of Neuroscience
... tumor suppressor proteins. Cortical tubers in the brain
parenchyma, a pathological hallmark of the disease, contain enlarged, dysplastic neurons, accompanied by neurological symptoms including seizures and developmental delay. In this weeks Journal , Meikle et al. describe a new mouse model of TSC based ...
Immune antibodies penetrate neurons to clear Alzheimer's-linked amyloid
...'s disease -- by studying how antibodies go inside brain
cells to reduce levels of Alzheimer's-linked amylo...tudy is that immune-based therapy does work to rid brain
cells of amyloid -- giving new impetus to the search for a safe, effective Alzheimer's vaccine. "...
Parkinson's protein protects neurons from stress induced cell death
... Parkin proteins has recently been observed in the brain
of patients with sporadic Parkinsons disease", Winklhofer reports. The scientists could now show in their study that Parkin protects the neuronal cells by mediating the activation of the nuclear protein NF-B ("Nuclear Factor-kappaB"). This protein...
How does day length affect aggression in mice? It's in the genes
...racted with two types of receptors in parts of the brain
that affect aggression estrogen receptor alpha and estrogen receptor beta. These receptors are like docking stations that send signals from the estrogen molecules into the cells. A previous study suggested that one type of receptor was important ...
Anti-inflammatory drugs interact with HRT, and more
...CO2 Hyperoxic ventilation leads to responses in brain
areas that modify hypothalamus-mediated sympatheti...tion: Macey PM, Woo MA, Harper RM (2007) Hyperoxic brain
effects are normalized by addition of CO2. PLoS Med 4(5): e173. doi:10.1371/journal.pmed.0040173 P...
Chemotherapy drug shrinks brain tumors
ST. PAUL, Minn -- Cancerous brain
tumors appear to respond favorably to the drug tem...ple with low grade gliomas, a slow-growing type of brain
tumor, who were treated with temozolomide chemotherapy for up to 30 months. The study found temoz...
Bigger is smarter
...mal species, it may be as simple measuring overall brain
size. In fact, making corrections for a species' b...order for many previous studies that have compared brain
size across different animal species, including ancestral hominids. The new results build on a pap...
Repair of DNA by Brca2 gene prevents medulloblastoma
...es of chromosomes and suppressing the onset of the brain
cancer medulloblastoma. Medulloblastoma is a cancer of the cerebellumthe lower back part of the brain
that controls complex motor functions and communicates with other parts of the brain. This cancer ac...
UT Southwestern joins national clinical trial to uncover long-term effects of West Nile virus
... West Nile infection. Study participants undergo brain
imaging and blood, neurological and cognitive testing. "Little is known about the long-term effects of infection, so information gathered in this trial could help bridge the gaps in current knowledge of West Nile and aid in the design of better tre...
Do fruit flies have free will?
... that there must be an evolved function in the fly brain
which leads to spontaneous variations in fly behav... be to use genetics to localize and understand the brain
circuits responsible for the spontaneous behavior. This step could lead directly to the development ...
Other highlights in the May 16 JNCI
...urvivors, the most frequent secondary cancers were brain
cancer, non-Hodgkin lymphoma, and thyroid cancer. ...survivors, the most common were thyroid cancer and brain
cancer. "The geographical heterogeneity of the registries contributing to this study and the high...
Sleepless for science: Flies show link between sleep, immune system in Stanford study
...rain's central clock, which is the area of the fly brain
that exhibits circadian gene activity, was responsible for the changes seen in the sick flies. But the behavior of the ill flies looked a lot like that of flies known to have disruptions in their genes controlling circadian rhythm. So the next step...
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