Genes found on region of Chromosome 1 may regulate behaviors including eating and anxiety
Anorexia nervosa is a serious and potentially lethal illness. It is characterized by the relentless pursuit of thinness, the obsessive fear of gaining weight and emaciation. It commonly begins during adolescence in girls and it runs in families. A number of traits, such as perfectionism, anxiety and obsessionality, contribute to a risk to develop anorexia.
The authors used a process called candidate gene association analysis to identify two genes from a region on the short arm chromosome 1, previously identified as likely to contain genes contributing to anorexia nervosa, that may contribute to the risk of developing anorexia nervosa. When the authors compared anorexia patients to control individuals, they found statistically significant association of sequence polymorphisms at these two genes to anorexia nervosa, with increasing risk to individuals carrying specific alleles for developing anorexia nervosa.
The genes are not to blame
20.07.2018 | Technische Universität München
Targeting headaches and tumors with nano-submarines
20.07.2018 | Universitätsmedizin der Johannes Gutenberg-Universität Mainz
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Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...
Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....
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