Tag: "connections" at biology news

Revealing the secrets of WRN

...ainer. "There are some 30,000 human genes, but the connections among them are not like a wiring diagram -- they're more like the way an airline connects its routes, with many pathways going through a few major hubs. WRN is one of those hubs." Priscilla Cooper says, "SBDR investigators and others have shown that...

Genetic finding suggests alternative treatment strategy for common, complex skin disorders

...lled connexin 26, which makes a protein that forms connections between skin cells that create the normal barrier. When the skin is intact, the production of connexin 26 is turned off once there is enough to hook all the skin cells together. When skin is damaged by a cut or a scrape, connexin 26 is produced whil...

New findings help pinpoint autism's genetic roots

...than normal and had a higher-than-normal number of connections to other nerve cells. This may lead to the sensory overload that people with autism experience, Dr. Parada said. "It would be really exciting if it turned out that we've zeroed in on the anatomical regions where things go wrong in autistic patients,...

Free access to world-class biological databases for European science thanks to FELICS

...oinformatics and is involved in many others. These connections will ensure that the benefits of FELICS spread far beyond the four partners involved in the project," Cameron says....

Research shows how visual stimulation turns up genes to shape the brain

... aggressive plasticity, shaping the mesh of neural connections in the cortex and tuning the strengths of messages relayed by synapses. In mice, this period begins shortly after they open their eyes and begin to see. Previous research had determined that visual activity changes the level of expression of, or regu...

Selectively blocking inflammatory signals may protect mice from MS

...ssociated with loss of myelin sheaths around nerve connections and unprotected axons in the brain. Again, SOCS1 was able to reduce the damage. "Together," the researchers wrote, "these data demonstrate that oligodendroglial expression of SOCS1 protects mice from the clinical and morphological consequences of IF...

Art of Science exhibit opens at Princeton

...endipity, or perhaps the expression of some deeper connections between aesthetics, order, nature, and complexity remains to be answered by the viewer." The three top prize winners are: Qiangfei Xia, a graduate student in electrical engineering at Princeton, who won third place for "Easter Bonnet," a photograph...

Research uncovers signaling pathways related to brain-immune system links

...ling pathways in immune cells bolsters evidence of connections between the central nervous system and the immune system. The findings may also advance the scientific foundation for a potential HIV treatment that may block the virus that causes AIDS. The cell culture study by a research team from The Children's H...

APS physics tip sheet #62

...o showed that uninfected people may increase their connections to other healthy people, leading to islands of hig...es that do not take spontaneous rewiring of social connections into account. In addition to pandemics, the researchers believe that their model may also help us to...

Queensland scientists identify molecule that links both sides of the brain

...t plays a key role in establishing the major nerve connections between each side of the adult brain. QBI neural migration laboratory head Associate Professor Helen Cooper said her group's research provided new clues regarding development of the corpus callosum, the main connecting nerve tract that shuttles info...

New analysis of networks reveals surprise patterns in politics, the web

...ite. The links in the network represent purchasing connections between books. When analyzed using Newman's metho... books separated into four communities, with dense connections within communities and looser connections between them. One community was composed almost entirely l...

Patient's generosity after death leads to possible clues for lung disease

... autopsy program also has a bonus of strengthening connections between patients, their family members and the health professionals who care for them, said Ms. Lindell. "This program is one example of how a patient can make a difference and initiate something that will help others. It conveys a message that the t...

UBC researchers find stroke death channel

...te of gap junction hemichannels. Gap junctions are connections that allow molecules and ions to flow between cells. Junctions are composed of two hemichannels that bridge the intercellular space. Until now, scientists believed the disruption to occur at the site of glutamate channels. Glutamate is one of the bra...

Seeing beyond the gray areas: New tool uncovers the importance of the brain's white matter

...potential to discover the role of the white matter connections in psychiatric disorders, neurodegenerative disease and neuromuscular disorders. This new information on the role of white matter in the brain's functioning may also manifest ethical issues on how it should be used....

Connections between neurons act as information filters in the brain

...units of the brain. But it was unclear whether the connections between neurons actively participated in the compu...l incoming signals. "The unreliability of neuronal connections that presumably convey and process information throughout the brain was difficult to reconcile with ...

'Thirst for knowledge' may be opium craving

...ber only weakly. With repetition of the image, the connections to the strongly activated neurons grow in strength. But the strongly activated neurons inhibit their weakly activated neighbors, causing a net reduction in activity. This reduction in activity, Biederman's research shows, parallels the decline in the...

Neurons grown from embryonic stem cells restore function in paralyzed rats

...show that transplanted neurons can form functional connections with the adult mammalian nervous system, the resea...ral studies to verify that the recovery was due to connections between the peripheral nervous system and the transplanted neurons. "We've previously shown that ste...

Long-term changes in experience cause neurons to sprout new long-lasting connections

...at neurons in the brains of mice sprout robust new connections when the animals are adjusting to new experiences. The new connections alter the circuitry of the brain by changing communication between neurons. The researchers said the...

Dopamine drug leads to new neurons and recovery of function in rat model of Parkinson's

...almost 75 percent of the normal number of neuronal connections with other parts of the brain and showed an approximately 80 percent improvement in their movements and a significantly improved ability to retrieve food pellets. These effects lasted for at least 4 months after the treatment ended. "There was a ...

Oceanic invasions across Darwin's impassable barrier

Reef fish share genetic connections across what Darwin termed an 'impassable barrier', 5000km of deep ocean separating the eastern and central Pacific, according to a report by Smithsonian scientists in the Proceedings of the Royal Society B. By sequencing mitochondrial DNA from 20 mor...

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(Date:5/21/2013)... Researchers at the University of Illinois at Chicago College of ... and stores fat -- its main energy source -- and ... disease, under a new $2 million, 4-year grant from the ... heart changes how it uses fuel for energy. These changes ... disease and are different in men and women, says E. ...
(Date:5/21/2013)... charted the path of insulin action in cells in ... blueprint for understanding what goes wrong in diabetes. ... Professor David James from Sydney,s Garvan Institute of Medical ... of the prestigious journal Cell Metabolism . , ... very important role in the body because it helps ...
(Date:5/20/2013)... is known about the effect of physical education (PE) ... University finds that increasing the amount of time that ... of obesity. , The study represents some of the ... youth obesity, and is forthcoming in the Journal ... of the study can be viewed at: http://www.sciencedirect.com/science/article/pii/S0167629613000556 ...
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