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Tag: "central" at biology news

Proteins necessary for brain development found to be critical for long-term memory

...term memory as they are for the development of the central nervous system. These growth factors, such as brain derived neurotrophic factor (BDNF), bind onto the brain cell through a specific type of receptor known as TrkB, much the same way a key fits into a lock. As an experimental strategy to determine the...

Fruit fly study identifies gene mutation that regulates sensitivity to alcohol

...n reorganizing components of the adult fruit fly's central nervous system, which in turn affected the flies' behavior. Dr. Rothenfluh said the research team concluded that the RhoGAP18B gene is intimately involved in regulating behavioral responses to alcohol exposure. The findings have implications for ...

Origin of inherited pain disorder pinpointed

...s. So-called "voltage-gated sodium channels" are central to the neuron's ability to propagate a nerve impulse. In response to voltage changes in a nerve cell caused by a nerve impulse, these channels snap open, allowing sodium to flow across the cell membrane, further propagating the nerve impulse. Rapid, ...

Memories: It's all in the packaging, scientists say

...memory so that contextual details, as well as more central aspects of the event such as the identity of the word, can later be recalled. "We know that if the intra-parietal sulcus is damaged, then someone cannot attend to multiple aspects of the same object, such as its size and color," said Melina Uncaph...

Newly identified biomarker detects and regulates spread of brain tumors

... as "soluble attractin," is normally absent in the central nervous system (CNS) and is undetectable in cerebral spinal fluid (CSF), unless malignant astrocytomas--the most common form of intracranial tumors--are present in the CNS. The CSF is a liquid that bathes the brain and acts as a reservoir, which can ...

Knockout Mouse Project

... each gene one-by-one, we will be able to create a central resource for researchers and scientists to use and study," said Dr. de Jong. Children's Hospital Oakland Research Institute has a recombinant DNA library with more than 30 million DNA samples that are used in research programs around the world. The ...

A key antibody, IgG, links cells' capture and disposal of germs

... 15 minutes versus 45 minutes. "This process is central to the human immune response," Nohturfft says. "But some of the most destructive microbial pathogens, such as those responsible for tuberculosis and salmonellosis, are able to hijack cells and use them as a breeding ground precisely because they bloc...

'Conversation stoppers' fight deadly bacterial infections

... enzyme a/b hydrolase4 (Abh4) in areas such as the central nervous system suggests that the pathway makes a "...ocesses, by acting on cannabinoid receptors in the central nervous system. The system drives consumption of fat and calorie-rich foods and the amount of fat s...

Nanotechnology propels advances in regenerative medicine research

... enzyme a/b hydrolase4 (Abh4) in areas such as the central nervous system suggests that the pathway makes a "...ocesses, by acting on cannabinoid receptors in the central nervous system. The system drives consumption of fat and calorie-rich foods and the amount of fat s...

Regulating the nuclear architecture of the cell

... Heterochromatin also flanks the centromere in the central region of the chromosome, the chromatin structure that plays a crucial role in chromosome segregation during cell division. What other functions abundant heterochromatin may perform are still an open question. Even epigenetics ultimately has its ...

Giant insects might reign if only there was more oxygen in the air

...e insect grows, tracheal tubes get longer to reach central tissue, and get wider or more numerous to meet the additional oxygen demands of a larger body. Insects can limit oxygen flow by closing their spiracles. In fact, one reason insects are so hardy is that they can close their spiracles and live off t...

Brown seaweed contains promising fat fighter, weight reducer

... enzyme a/b hydrolase4 (Abh4) in areas such as the central nervous system suggests that the pathway makes a "...ocesses, by acting on cannabinoid receptors in the central nervous system. The system drives consumption of fat and calorie-rich foods and the amount of fat s...

A new target for painkillers

...eorgia southward along Central America to Brazil's central coast. -- Vc1.1 is from the species Conus victoriae, which measures 1.4 to 2.8 inches long and lives off portions of Australia. RgIA and Vc1.1 fit like keys into lock-like alpha9alpha10 nicotinic acetylcholine receptors, which are found on nerv...

Study shows enzyme builds neurotransmitters via newly discovered pathway

... enzyme a/b hydrolase4 (Abh4) in areas such as the central nervous system suggests that the pathway makes a "...ocesses, by acting on cannabinoid receptors in the central nervous system. The system drives consumption of fat and calorie-rich foods and the amount of fat s...

Unraveling where chimp and human brains diverge

...hers discovered that many of the genes that play a central role in cerebral cortex networks in humans, but not in the chimpanzee, also show significant changes at the DNA level. "When we see alterations in a gene network that correspond to functional changes in the genome, it implies that these difference...

Telemedicine robots help improve health

...four new robots which will be deployed in selected central and north Queensland hospitals, as well as employment of a Senior Research Officer to manage the project at the Centre for Online Health. Senior Research Fellow Dr Anthony Smith said the new robots would enable the Centre to build on the successf...

Climate change creates dramatic decline in red-winged black bird population

...iability in the North Atlantic region ranging from central North America to Europe and much of Northern Asia. It has been on an upward trend for the past 30 years. Weatherhead, an ecologist who specializes in the behavior of birds and snakes, says that although some people may be in denial, global warming...

Pattern of human Ebola outbreaks linked to wildlife and climate

...back toward the northeast from sites in western or central Gabon and caused the most recent outbreaks in RoC. "If the spread of the Ebola virus follows its current northeastward path, the next outbreak would be expected to occur in northern Republic of the Congo towards Cameroon and the Central African Re...

Most important actors in the growth process of neurons identified

...ssors. The great majority of them are found in the central nervous system. The brain contains complex networks of neurons that regulate a large number of bodily functions. Because the brain and the nervous system are a delicate system, something can sometimes go seriously wrong and a brain or nerve disease a...

Vaccine for brain tumors shows promising results

A vaccine for treating a recurrent cancer of the central nervous system that occurs primarily in the brain, known as glioma, has shown promising results in preliminary data from a clinical trial at UCSF Medical Center. Findings from the first group of six patients in the study, being conducted at the UCSF...

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