There is little doubt that alcohol-related disorders in humans are genetically based. The influence of environmental factors, however, remains unclear. Given that studies of humans are complicated by a multitude of cultural and day-to-day-living factors, researchers in the March issue of Alcoholism: Clinical & Experimental Research use rhesus monkeys to examine genetic and environmental influences on alcohol consumption. Results indicate that, just as with humans, both genetic and environmental factors contribute to variation in alcohol consumption among the non-human primates.
"Rhesus macaques provide a good model for many human diseases due in part to their phylogenetic closeness," said Joseph G. Lorenz, research associate at the Coriell Institute for Medical Research and corresponding author for the study. "Also, like humans, they are highly social, which is important for diseases like alcoholism where there are social factors affecting alcohol consumption. And, finally, because we can control their social environment and precisely measure their exposure to alcohol, whereas human studies often rely on self-reported consumption patterns."
Researchers examined data drawn from an ongoing longitudinal study of genetic and environmental factors affecting the neurobiology, behavior and alcohol consumption among rhesus macaques. For this particular analysis, study authors investigated factors that may have contributed to variation in alcohol consumption among 156 monkeys during a period of 10 years when they were considered adolescents (between 2 and 4 years of age). All belonged to a single extended pedigree, and received identical early rearing backgrounds and subsequent treatments. Alcohol consumption was measured during unfettered and simultaneous access to both aspartame-sweetened (8.4% v/v) alcohol-water solution as well as water for one hour each day during early afternoon for a period of five to seven weeks.
Smart Data Transformation – Surfing the Big Wave
02.12.2016 | Fraunhofer-Institut für Angewandte Informationstechnik FIT
Climate change could outpace EPA Lake Champlain protections
18.11.2016 | University of Vermont
Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
Topological insulators are currently the hot topic in physics according to the newspaper Neue Zürcher Zeitung. Only a few weeks ago, their importance was...
In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
16.11.2016 | Event News
01.11.2016 | Event News
14.10.2016 | Event News
09.12.2016 | Life Sciences
09.12.2016 | Ecology, The Environment and Conservation
09.12.2016 | Health and Medicine