News tagged with synaptic
RNA on the move
Nov 26, 2009 |
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In the fruit fly Drosophila, oskar mRNA, which is involved in defining the animal’s body axes, is produced in the nuclei of nurse cells neighbouring the oocyte, and must be transported to the oocyte and along ...
Researchers find potential treatment for Huntington's disease (w/ Video)
Nov 15, 2009 |
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Investigators at Burnham Institute for Medical Research, the University of British Columbia's Centre for Molecular Medicine and Therapeutics and the University of California, San Diego have found that normal synaptic activity ...
Understanding the brain's natural foil for over-excited neurons
Medicine & Health / Neuroscience
Oct 19, 2009 |
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Glutamate is to the brain like coffee is to our bodies. A cup of Joe in the morning can wake us, but overloading on caffeine causes the stimulant to work against us.
Sleep loss linked to increase in Alzheimer's plaques
Sep 24, 2009 |
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Chronic sleep deprivation in a mouse model of Alzheimer's disease makes Alzheimer's brain plaques appear earlier and more often, researchers at Washington University School of Medicine in St. Louis report online this week ...
Computer model shows changes in brain mechanisms for cocaine addicts
Medicine & Health / Neuroscience
Sep 22, 2009 |
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About 2 million Americans currently use cocaine for its temporary side-effects of euphoria, which have contributed to making it one of the most dangerous and addictive drugs in the country. Cocaine addiction, ...
How the pathology of Parkinson's disease spreads
Jul 27, 2009 |
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(PhysOrg.com) -- Accumulation of the synaptic protein alpha-synuclein, resulting in the formation of aggregates called Lewy bodies in the brain, is a hallmark of Parkinson's and other related neurodegenerative ...
Dynamic molecular mechanism to keep brain activity stable
Jul 13, 2009 |
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In the brain, many types of synaptic proteins are spatio-temporally regulated to maintain synaptic activity at a constant level. Here, the Japanese research group led by Professor Masaki Fukata, Drs. Yuko Fukata and Jun Noritake ...
Brain plasticity: Changes and resets in homeostasis
Medicine & Health / Neuroscience
Jun 25, 2009 |
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In an article published in the June 25th edition of the journal Neuron, researchers at the Hotchkiss Brain Institute, University of Calgary, have found that synaptic plasticity, long implicated as a device for 'change' in the ...
New mechanism for amyloid beta protein's toxic impact on the Alzheimer's brain
Jun 24, 2009 |
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Scientists have uncovered a novel mechanism linking soluble amyloid -- protein with the synaptic injury and memory loss associated with Alzheimer's disease (AD). The research, published by Cell Press in the June 25 issue ...
Mechanism of Alzheimer's suggests combination therapy needed
Mar 17, 2009 |
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Researchers at the University of Illinois at Chicago College of Medicine have discovered a mode of action for mysterious but diagnostic protein snarls found in the brains of Alzheimer's patients that suggests a one-two punch ...
Brain mechanism recruited to reduce noise during challenging tasks
Feb 25, 2009 |
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New research reveals a sophisticated brain mechanism that is critical for filtering out irrelevant signals during demanding cognitive tasks. The study, published by Cell Press in the February 26 issue of the journal Neuron, also p ...
An Inexhaustible Source of Neural Cells
Biology /
Feb 17, 2009 |
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(PhysOrg.com) -- Research scientists in Bonn, Germany, have succeeded in deriving so-called brain stem cells from human embryonic stem cells. These can not only be conserved almost indefinitely in culture, but can also serve ...
Why Sleep is Needed to Form Memories
Feb 11, 2009 |
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If you ever argued with your mother when she told you to get some sleep after studying for an exam instead of pulling an all-nighter, you owe her an apology, because it turns out she's right. And now, scientists ...
New insight into Alzheimer’s disease
Dec 24, 2008 |
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(PhysOrg.com) -- A new molecule important in a part of the memory that allows recognition of people has been identified by researchers at the University of Bristol. This type of memory is impaired at an early ...
Astrocytes and synaptic plasticity
Biology /
Oct 13, 2008 |
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By mopping up excess neurotrophic factor from neuronal synapses, astrocytes may finely tune synaptic transmission to affect processes such as learning and memory, say Bergami et al.
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