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Tag: "brain" at biology news

Putting feelings into words produces therapeutic effects in the brain

...iting in a journal — help us to feel better" A new brain imaging study by UCLA psychologists reveals why ve...e, they have increased activity in a region of the brain called the amygdala, which serves as an alarm to activate a cascade of biological systems to protect...

St. Jude study shows genes play an unexpected role in their own activation

...the liver, while activating different genes in the brain that are key to learning and forming memories.” A long-term implication of this work is that one day it might be possible to manipulate CREB’s co-factors to treat disease. “A drug that blocked the specific co-factors CREB needs in the liver to tri...

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 o...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...

Experimental gene therapy 'abolishes' arthritis pain and lessens joint damage

...proaches may involve interrupting crosstalk in the brain instead. Based on that promise, the Medical Center...l inflammatory diseases like arthritis can lead to brain inflammation may provide an entirely new way to treat inflammatory neurological conditions that affe...

'Smart' mice teach scientists about learning process, brain disorders

...ects of deleting the enzyme, called Cdk5, from the brain are continuing. The group is also beginning a s...abuse, so understanding how the enzyme affects the brain and behavior might aid in the development of new treatments for these and other conditions, Dr. Bibb...

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...

Common treatment for methamphetamine overdose may damage brain cells

...ine overdose damages nerve cells in an area of the brain known to regulate movement, a new study shows. Th...overdose in humans might worsen drug abuse-related brain injuries," says William Carlezon, PhD, at Harvard's McLean Hospital, who was not affiliated with the...

How brain pacemakers erase diseased messages

...out 30,000 Americans, the mechanisms by which deep brain stimulation alleviates disease symptoms aren't wel...stered by rapid-fire electrical pulses deep in the brain produces what they call an "informational lesion." By relaying a repetitious and therefore meaningle...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...tem – moving through nerves in the spinal cord and brain stem up to the brain, which prompts a response, or "feeling." Co-author of the current study Allan Basbaum, PhD, also of UCSF, is a pioneer of research into the mechanism of chronic pain within the central nervous system. The Julius team's comple...

Better insight into brain anatomical structures

...roduces images of the anatomic structures of mouse brain which are as clear as those obtained by histologic...ly biocompatible MRI contrast agent for anatomical brain imaging," Lee and Hyeon point out. "With this agent, we are able to get high-contrast views of the a...

An 'elegant' idea proves its worth 25 years later

...us and in the case of urea cycle disorders, causes brain damage, retardation, coma and even death. Despi... the hyperammonemia lasts, the higher the risk for brain damage." "This is a happy story," says Brusilow. "It isn’t too often in genetic medicine that we ...

Human stem cell treatment restores motor function in paralyzed rats

... spinal cord,” said Marsala. “The spinal cord and brain motor centers are still partially connected, but there has been a selective loss of inhibitory neurons in the spinal cord. Since these cells are necessary for coordinated motor activity, our research aims to replace these lost neurons by grafting ne...

Statin treatment improves spatial memory in mouse models of Alzheimer's

...he brain. These findings suggest that increases in brain nNos levels may play an important role in statin-i...red to normal mice on saline. After the maze test, brain tissue then was studied to determine levels of nNOS....

Mice with a migraine show signs of brain damage

... like tiny transient strokes, leaving parts of the brain starved for oxygen and altering the brain in significant ways. A paper describing the work by neuroscientists at the University of Rochester ...

Salk scientists hammer out a pathway that promotes muscle cell survival in mice

...n to muscle, this regulatory circuit is present in brain and heart tissue, where it also seems to control cell survival," said Marc Montminy, M.D., Ph.D., professor in the Clayton Foundation Laboratories for Peptide Biology at the Salk Institute and senior author of the study. "Therefore, we believe that u...

Does amateur boxing cause brain damage?

...lows to the head in amateur boxing appear to cause brain damage, according to research that will be present... 28 ?May 5, 2007. "Despite the high prevalence of brain damage as a result of professional boxing, until now there has been little information on the possib...

Scripps research team sheds light on long-sought cold sensation gene

...It would be really interesting to find out how the brain takes essentially the same signal and, depending on context, interprets it differently,?says Dhaka. ...

How the brain's backup system compensates for stroke

...searchers have pinpointed in humans how a "backup" brain region springs into action to compensate for disru...iments, the researchers focused on a region of the brain called the dorsal premotor cortex (PMd), which is known to govern the selection of an action. The PM...

Gene malfunctions cause schizophrenia, depression symptoms in mice

...SC1 mutant mice exhibited the same kind of reduced brain volume seen in people with schizophrenia and depression, the researchers found. Also, both types showed biochemical abnormalities in the function of the protein produced by the DISC1 gene. The researchers concluded that the different effects of an...

Peramivir protects mice from lethal H5N1 infection

...on of the deadly strain of H5N1 virus in the lung, brain and spleen. The key to the high survival rate was treating the infected mice within 24 hours after infection with H5N1 and continuing the treatment for eight days. In contrast, a single intramuscular injection resulted in a 40 percent survival rate, ...

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