Scientists uncover molecular roots of cocaine addiction in the brain
Researchers at Johns Hopkins have unraveled the molecular foundations of cocaine's effects on the brain, and identified a compound that blocks cravings for the drug in cocaine-addicted mice. The compound, already proven safe ...
Neuroscience
10 minutes ago |
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Endothelium, heal thyself: A fresh look at this resilient, adaptable tissue
(Medical Xpress)—The endothelium, the cellular layer lining the body's blood vessels, is extremely resilient. Measuring just a few hundred nanometers in thickness, this super-tenuous structure routinely ...
Medical research
May 16, 2013 |
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SUMO wrestling cells reveal new protective mechanism target for stroke
Scientists investigating the interaction of a group of proteins in the brain responsible for protecting nerve cells from damage have identified a new target that could increase cell survival.
Medical research
May 17, 2013 |
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Researchers identify how cells control calcium influx
(Medical Xpress)—When brain cells are overwhelmed by an influx of too many calcium molecules, they shut down the channels through which these molecules enter the cells. Until now, the "stop" signal mechanism that cells ...
Neuroscience
May 09, 2013 |
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Gene thought to make heart tissues turns out to make blood and muscles as well
New research out of the Lillehei Heart Institute at the University of Minnesota shows that by turning on just a single gene, Mesp1, different cell types including the heart, blood and muscle can be created from stem cells.
Genetics
May 02, 2013 |
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Blue Brain Project accurately predicts connections between neurons
One of the greatest challenges in neuroscience is to identify the map of synaptic connections between neurons. Called the "connectome," it is the holy grail that will explain how information flows in the ...
Neuroscience
Sep 17, 2012 |
4.8 / 5 (16) |
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Structure of vital protein complex, G protein-coupled receptors, described in unprecedented detail
Three international teams of scientists, led by researchers at the University of California San Diego, University of Michigan and Stanford University, have published a trio of papers describing in unprecedented ...
Medical research
Sep 28, 2011 |
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Even in fruit flies, enriched learning drives need for sleep
Just like human teenagers, fruit flies that spend a day buzzing around the "fly mall" with their companions need more sleep. That's because the environment makes their brain circuits grow dense new synapses and they need ...
Medical research
Jun 23, 2011 |
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Study examines how Alzheimer's kills brain cells
(Medical Xpress)—Exactly how Alzheimer's disease kills brain cells is still somewhat of a mystery, but University of Michigan researchers have uncovered a clue that supports the idea that small proteins ...
Alzheimer's disease & dementia
Oct 17, 2012 |
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Researchers reveal how a single gene mutation leads to uncontrolled obesity
Researchers at Georgetown University Medical Center have revealed how a mutation in a single gene is responsible for the inability of neurons to effectively pass along appetite suppressing signals from the body to the right ...
Genetics
Mar 18, 2012 |
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The knowing nose: Chemosignals communicate human emotions
(Medical Xpress)—Many animal species transmit information via chemical signals, but the extent to which these chemosignals play a role in human communication is unclear. In a new study published in Psychological Science, a jour ...
Psychology & Psychiatry
Nov 05, 2012 |
4.3 / 5 (3) |
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New research finds powerful function of alpha 2 delta protein that controls neurotransmission
Scientists at Weill Cornell Medical College have discovered that the single protein -- alpha 2 delta -- exerts a spigot-like function, controlling the volume of neurotransmitters and other chemicals that flow between the ...
Medical research
May 13, 2012 |
2.5 / 5 (2) |
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Study: The epigenome of newborns and centenarians is different
What happens in our cells after one hundred years? What is the difference at the molecular level between a newborn and a centenary? Is it a gradual or a sudden change? Is it possible to reverse the aging process? What are ...
Genetics
Jun 11, 2012 |
4.3 / 5 (3) |
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Study clarifies process controlling night vision
On the road at night or on a tennis court at dusk, the eye can be deceived. Vision is not as sharp as in the light of day, and detecting a bicyclist on the road or a careening tennis ball can be tough.
Neuroscience
Oct 17, 2012 |
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Genes for learning, remembering, forgetting: Proteins important in embryos found to change the adult brain
Certain genes and proteins that promote growth and development of embryos also play a surprising role in sending chemical signals that help adults learn, remember, forget and perhaps become addicted, University ...
Medical research
Mar 29, 2012 |
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