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News Archive
On Saturday, April 25, Nepal-based surgical teams from ReSurge International were providing reconstructive surgical care when the 7.8 magnitude earthquake hit and as aftershocks continued. Soon, they were inundated with casualties at their Kirtipur Hospital, on the outskirts of Kathmandu.
A new study has found that teenagers who play violent video games have increased activity in those areas of the brain which control emotional arousal, and decreased activity in the regions associated with control, focus and concentration.
Scientists at the Gladstone Institute of Neurological Disease (GIND) have discovered that two main causes of AD amyloid-beta (Aβ) peptides and apolipoprotein E4 (apoE4) impair the growth of new neurons born in adult brains. What is more, they have identified drug treatments that can normalize the development of these cells even in the presence of Aβ or apoE4. The findings are described in two separate papers published in the current issue of Cell Stem Cell.
A previous study showed that, 1 week after avulsion of the spinal nerve root, small motor neurons (< 500 μm2) negative for 27 kDa heat shock protein (HSP27) immunoreactivity died and only large (> 500 μm2) HSP27-positive motor neurons survived in the spinal cord ventral horn.
Researchers at Georgetown Lombard Comprehensive Cancer Center have been able to show, in mice, how just a little adjustment in the expression of two common genes can promote the kind of cellular changes that led to breast cancer. They say these tweaks likely mimic natural variation women have in expression of the two genes.
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