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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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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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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Don't let botox go to your head…or should you?
Injecting botox into the arm muscles of stroke survivors, with severe spasticity, changes electrical activity in the brain and may assist with longer-term recovery, according to new research.
Neuroscience
Jan 08, 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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Hunting neuron killers in Alzheimer's and traumatic brain injury
Levels of the protein appoptosin in the brain skyrocket in Alzheimer's disease and traumatic brain injury. Appoptosin is known for helping the body make heme, the molecule that carries iron in the blood. In a study published ...
Neuroscience
Nov 09, 2012 |
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Infertility treatments may significantly increase multiple sclerosis activity
Researchers in Argentina report that women with multiple sclerosis (MS) who undergo assisted reproduction technology (ART) infertility treatment are at risk for increased disease activity. Study findings published in Annals of ...
Neuroscience
Oct 03, 2012 |
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Crucial advance in stem cell research: Human skin cells converted to neural precursor cells
(Medical Xpress)—Scientists at The University of Auckland's Centre for Brain Research have succeeded in converting human skin cells directly into immature brain cells (or neural precursor cells).
Medical research
Sep 27, 2012 |
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