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New brain cells listen before they talk
10-30-2007 · EurekAlert!Newly-created neurons in adults rely on signals from distant brain regions to regulate their maturation and survival -- which has implications for using adult stem cells to replace those lost by trauma or neurodegeneration.
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Keywords: brain, cells, listen, talk, cell
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- Epilepsy-induced brain cell damage prevented in the laboratory
10-29-2007 · EurekAlert!
For some epilepsy patients, the condition's side effects can be as troubling as the seizures. One pressing concern is potential cognitive impairment from seizures, which can include memory loss, slowed reactions and reduced attention spans. Now researchers have linked such cognitive impairments to structural changes in brain cells caused by seizures. They report that the insights they gained allowed them to use a drug to block those changes in the brains of laboratory animals.
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- MIT creates 3-D scaffold for growing stem cells
12-26-2006 · EurekAlert!
Stem cells grew, multiplied and differentiated into brain cells on a new three-dimensional scaffold of tiny protein fragments designed to be more like a living body than any other cell culture system.
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- Protein maintains cross talk between cells that control hair growth
02-14-2008 · EurekAlert!
Researchers at Rockefeller University have identified a signaling molecule that is critical for a type of skin cell, called dermal papilla, to ratchet up or clamp down the activity of genes that give them their molecular identity. Without these signals, these skin cells lose their hair-inducing properties -- findings that may provide a new understanding of how stem cells differentiate.
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- MIT creates 3D scaffold for growing stem cells
12-27-2006 · Massachusetts Institute of Technology (MIT)
An MIT engineer and colleagues report that stem cells grew, multiplied and differentiated into brain cells on their new three-dimensional scaffold of tiny protein fragments designed to be more like a living body than any other cell culture system.
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- Researchers hot on the trail of brain cell degeneration
03-19-2007 · EurekAlert!
A research team headed by Academy Research Fellow Michael Courtney has identified a new molecular pathway in neurons. The pathway is a factor in the degeneration of brain cells, which in turn plays an important role in neurological conditions and diseases, such as Alzheimer's disease, epilepsy and stroke.
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- Antidepressants stimulate new nerve cells in adult monkeys, may have implications for humans
05-04-2007 · EurekAlert!
In adult monkeys, an antidepressant treatment has induced new nerve cell growth in the hippocampus, a brain area responsible for learning and memory. A similar process may occur in humans, the research suggests, and may help explain the effectiveness of antidepressant treatments.
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- Modern brains have an ancient core
06-29-2007 · EurekAlert!
Researchers from the European Molecular Biology Laboratory now reveal that the hypothalamus and its hormones are not purely vertebrate inventions, but have their evolutionary roots in marine, worm-like ancestors. In this week's issue of the journal Cell they report that hormone-secreting brain centres are much older than expected and likely evolved from multifunctional cells of the last common ancestor of vertebrates, flies and worms.
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- Neural stem cell study reveals mechanism that may play role in cancer
09-04-2007 · EurekAlert!
In the dynamic world of the developing brain, neural stem cells give rise to neurons deep within the brain’s fluid-filled ventricles. These newborn neurons then migrate along the stem cell fibers up to the neocortex, the seat of higher cognitive functions. Now, scientists have discovered a key mechanism of this migration -- one that may also play an important role in other developmental processes and diseases, including cancer.
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- UCSF stem cell study reveals cells' capability in mouse brain tissue repair
12-14-2006 · EurekAlert!
UCSF scientists have determined that adult stem cells in a specific region of the mouse brain have a built-in mechanism that allows the cells to participate in the repair and remodeling of damaged tissue in the region.
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- Researchers develop marker that identifies energy-producing centers in nerve cells
02-01-2007 · EurekAlert!
A protein that causes coral to glow is helping researchers at the University of Maryland School of Medicine to light up brain cells that are critical for the proper functioning of the central nervous system. This fluorescent marker protein may shed light on brain cell defects believed to play a role in various neurological diseases.
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