Is this peptide a key to happiness?
(Medical Xpress)—What makes us happy? Family? Money? Love? How about a peptide? The neurochemical changes underlying human emotions and social behavior are largely unknown. Now though, for the first time in humans, scientists ...
Psychology & Psychiatry
Mar 07, 2013 |
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Epilepsy drug levetiracetam reverses memory loss in animal model of Alzheimer's disease
Scientists at the Gladstone Institutes have discovered that an FDA-approved anti-epileptic drug reverses memory loss and alleviates other Alzheimer's-related impairments in an animal model of the disease.
Alzheimer's disease & dementia
Aug 06, 2012 |
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Memories serve as tools for learning and decision-making, new study shows
(Medical Xpress) -- When humans learn, their brains relate new information with past experiences to derive new knowledge, according to psychology research from The University of Texas at Austin.
Neuroscience
Jul 12, 2012 |
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Scientists map the frontiers of vision
There's a 3-D world in our brains. It's a landscape that mimics the outside world, where the objects we see exist as collections of neural circuits and electrical impulses.
Neuroscience
Jan 06, 2012 |
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Rett protein MeCP2 needed for proper adult neuron function
The protein MeCP2 is porridge to the finicky neuron. Like Goldilocks, the neuron or brain cell needs the protein in just the right amount. Girls born with dysfunctional MeCP2 (methyl-CpG-binding protein 2) develop Rett syndrome, ...
Neuroscience
Jun 02, 2011 |
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Fight control: Researchers link individual neurons to regulation of aggressive behavior in flies
(Medical Xpress)—Scientists have long pondered the roots of aggression—and ways to temper it. Now, new research is beginning to illuminate the cellular-level circuitry responsible for modulating aggression ...
Neuroscience
Apr 19, 2013 |
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Brain development is guided by 'junk' DNA that isn't really junk
(Medical Xpress)—Specific DNA once dismissed as junk plays an important role in brain development and might be involved in several devastating neurological diseases, UC San Francisco scientists have found.
Genetics
Apr 15, 2013 |
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Deciphering the cellular reading system of DNA methylation
(Medical Xpress)—Scientists from the FMI identify how a family of proteins reads the methylation marks on the DNA so critical for cell development. These MBD proteins bind directly to methylation marks ...
Genetics
Apr 12, 2013 |
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Fasting time for tumour cells
(Medical Xpress)—Tumours need a steady supply of sufficient nutrients to be able to grow. In order to secure the nutrient availability, they secrete messenger compounds to stimulate neighbouring blood vessels ...
Cancer
Mar 15, 2013 |
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Mutation location is the key to prognosis
The three most important factors in real estate are location, location, location, and the same might be said for mutations in the gene MECP2, said researchers at Baylor College of Medicine and the Jan and Dan Duncan Neurological ...
Genetics
Feb 28, 2013 |
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Microglia controls neuron production as brain develops
(Medical Xpress)—In a surprise breakthrough, researchers at the UC Davis MIND Institute and their colleagues have found that microglia remove healthy neural progenitor cells (NPCs) through phagocytosis to control neuron ...
Neuroscience
Feb 27, 2013 |
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Discovery offers unprecedented look at regulation of gene expression
(Medical Xpress)—A groundbreaking technique developed at the University of Virginia School of Medicine is allowing scientists to examine histone modifications of genetic loci – a process that regulates gene expression ...
Medical research
Jan 25, 2013 |
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First Alzheimer's case has full diagnosis 106 years later
(Medical Xpress)—More than a hundred years after Alois Alzheimer identified Alzheimer's disease in a patient an analysis of that original patient's brain has revealed the genetic origin of their condition.
Alzheimer's disease & dementia
Jan 09, 2013 |
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MECP2 duplication affects immune system as well as brain development
In 1999, Dr. Huda Zoghbi and colleagues at Baylor College of Medicine identified the genetic cause of Rett syndrome (a neurological disorder that begins after birth) – MECP2 mutation. Too little of the MeCP2 protein associated ...
Medical research
Dec 05, 2012 |
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Crag keeps the light 'fantastic' for photoreceptors
The ability of the eye of a fruit fly (Drosophila melanogaster) to respond to light depends on a delicate ballet that keeps the supply of light sensors called rhodopsin constant as photoreceptors turn on and off in respon ...
Neuroscience
Dec 04, 2012 |
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