New pathway presents target for medication development
Brain molecules similar to the active compound in marijuana help to regulate alcohol consumption, according to new reports by scientists at the National Institute on Alcohol Abuse and Alcoholism (NIAAA), Bethesda, Maryland, and a separate NIAAA-supported group at several New York state research institutions.
In studies conducted with a strain of mice known to have a high preference for alcohol, the scientists found greatly reduced alcohol intake in mice specially bred to lack CB1, the brain receptor for innate marijuana-like substances known as endocannabinoids. The effect was age dependent, the Bethesda group found. The New York scientists showed that the endocannabinoid system activates a brain region known as the nucleus accumbens, which plays a major role in mediating the rewarding effects of alcohol. Both groups had shown that alcohol intake among normal mice of the same alcohol-preferring strain could be reduced by treating the animals with a drug that blocks CB1 receptors in the brain.
Ann Bradley | EurekAlert!
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Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
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Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
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19.01.2017 | Physics and Astronomy