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Tag: "brain" at biology news

Research project tackles 'regeneration' gap

...of Florida have initiated a project to treat human brain and other diseases by plundering the secrets of re...tivity of stem cells in the human eye. In terms of brain diseases, scientists may look at ways to mobilize and reinforce the body’s own supply of adult stem ...

New fMRI technology making brain tumor surgery safer

...eat difficult tumors while preserving areas of the brain that are responsible for speech and movement. The...s that capture blood oxygen levels in parts of the brain that are responsible for movement, perception, and cognition. Functional MRI, which reveals the brai...

On automatic pilot

...g fibres, signals from a specific structure in the brain stem are transmitted to Purkinje cells located in the cerebellar cortex. Mossy fibres transmit signals from various parts of the central nervous system to the granule cells of the cerebellar cortex. Pijpers reconstructed the modular anatomy of th...

Performing surgery on a beating heart may be safer

...inflammation,?which includes complications such as brain swelling, heart arrhythmia and infections.?According to Raja, performing the surgery on the beating heart, while more technically challenging for the surgeon, keeps these side effects low and allows for a quicker recovery. “If the surgeons are ski...

Decoy pill saves brain cells

...the decoy instead of the actual receptor, averting brain damage. As a test, the researchers then injecte...le seizures still occurred, as in control mice, no brain lesions were observed in the subjects. "We eliminate a big chunk of neuronal death," Baudry said....

How does your brain tell time?

... For decades, scientists have believed that the brain possesses an internal clock that allows it to keep...lue of this research lies in understanding how the brain works," said Dean Buonomano, associate professor of neurobiology and psychiatry at the David Geffen ...

Prion disease treatable if caught early

...ted mice, Mallucci and colleagues found that early brain degeneration can be reversed if prions are deplete... revealed a parallel impairment of signaling among brain cells. However, when the researchers manipulated the animals to deplete their brains of the prion...

It's in your head: The brain's own globin defends you from shock and stroke

... be the key to unlocking new therapies to minimize brain damage and improve recoveries for patients. The I...en deprivation and plays a protective role against brain damage. Structurally similar to hemoglobin (blood) and myoglobin (skeletal muscle), neuroglobin is f...

A potential biological cause for sudden infant death syndrome

...ment abnormalities in the brainstem ?a part of the brain that regulates breathing, blood pressure, body hea...ospital Boston and Harvard Medical School examined brain autopsy specimens from 31 infants who had died from SIDS and 10 who had died acutely from other caus...

Low levels of neurotransmitter serotonin may perpetuate child abuse across generations

...perpetuated between generations by changes in the brain induced by early experience, research shows at the... suggests that treatments with drugs that increase brain serotonin early in an abused child's life could reduce the likelihood that the child will grow up to...

Trying to control pain can be a double-edged sword, say scientists

...canners, which allow scientists to examine how the brain operates, the research, led by Dr Katja Wiech and ...rs were able to show that a number of areas of the brain were activated according to whether the volunteer felt in control of the pain. Most important was th...

Computer with brain connections changing quality of life of paralyzed

...ilable brain-computer –interfaces (BCI), which use brain activity to communicate through external devices, such as computers. The research focuses on a condition called the completely locked-in state (CLIS, a total lack of muscle control). In a CLIS situation, intentional thoughts and imagery can rarely b...

Dopamine used to prompt nerve tissue to regrow

...s (chemical messengers) to communicate between the brain and the rest of the body, he could build neurotransmitters into the material used to repair a broken circuit. The neurotransmitters could coax the neurons in the damaged nerves to regrow and reconnect with their target organ. Strange though his id...

Growth factor stimulates rapid extension of key motor neurons in brain

...extension of corticospinal motor neurons ?critical brain cells that connect the cerebral cortex with the spinal cord and that die in motor neuron diseases like amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease). In the November 2006 issue of Nature Neuroscience, two investigators from Massachuset...

One-of-a-kind imaging probe reveals secrets useful for drug discovery

...al information about disease from small amounts of brain tissue." Scientists used walking stick venom to demonstrate the technique partly because it combined lead researcher Aaron Dossey's passion for studying insects with his formal training in biochemistry. "I've raised different species of walking sti...

Neuron cell stickiness may hold key to evolution of the human brain

...eurons may have been a key factor in why the human brain evolved beyond the brains of our primate relatives...olecules. Cell adhesion controls many aspects of brain development including growth and structure, and enables neurons to connect with other neurons and su...

Living view in animals shows how cells decide to make proteins

...nges. Moreover, different cell types within the brain or other organs can exhibit different splicing decisions, Garcia-Blanco said. For example, neurons reside next to glial cells in the brain, yet they express different proteins in different amounts, and detecting such differences in cell cultures can ...

Preliminary study finds holographic imaging system promising for cancer treatment planning

... Perspecta produced a better plan in six out of 12 brain cases and was better in the one lung cancer case and one breast cancer case studied. "Our study found the Perspecta Spatial 3D Display provides users complex information in a more efficient and natural way," said James Chu, PhD, professor and di...

New approach to BSE successful in lab

...an appreciably slow down the progress of the fatal brain disease scrapie in mice. This has been established... can be deposited in the brain, thereby destroying brain tissue. Prion diseases are always fatal, often, however, not until months after the outbreak of the ...

Harvard scientists identify compounds that stimulate stem cell growth in the brain

...which compounds may be responsible for causing key brain cells, neurons, to regenerate and ultimately restore brain function. The research study focused on two compounds--LTB4 and LXA4. Both play a role in inflamma...

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