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Genes that modulates stress responses identified.


Byline: ANI

Washington, July 14 (ANI): A Baylor University Baylor University, mainly at Waco, Tex.; coeducational; chartered and opened 1845 by Baptists (see Baylor, Robert E. B.) at Independence, moved 1886 and absorbed Waco Univ. (chartered 1861). The library has a noted Robert Browning collection.  researcher claim to have discovered certain genes that modulates stress responses, which could cause some people to take drugs and consume alcohol.

Dr. Doug Matthews, professor of psychology and neuroscience neu·ro·sci·ence
n.
Any of the sciences, such as neuroanatomy and neurobiology, that deal with the nervous system.



neuroscience

the embryology, anatomy, physiology, biochemistry and pharmacology of the nervous system.
 at Baylor, has found a small section on chromosome one that is responsive to a particular type of stress in animal models.

He then identified the genes in this region that could be responsible for the behavioural response to stress, like alcohol consumption.

"This study gives us insight into a common genetic pathway A Genetic pathway is the set of interactions occurring between a group of genes who depend on each other's individual functions in order to make the aggregate function of the network available to the cell.  for stress that might be critical in modulating drug taking behaviour, especially alcohol consumption since many people report drinking alcohol to reduce stress," said Matthews.

"It also gave us some ideas on where to look in the brain for drug taking behaviour and it provided a method to do so," he added.

According to according to
prep.
1. As stated or indicated by; on the authority of: according to historians.

2. In keeping with: according to instructions.

3.
 Matthews, the researchers used a unique method to do the project by selecting chromosomes from one particular strain of mice, and embed them inside the background of a host strain.

He said that this sophisticated genetic manipulation allowed them to target specific chromosomes so they could get a much more powerful genetic answer.

The findings have appeared in the journal Behaviour Genetics behaviour genetics

The study of the interaction of heredity and environment insofar as they affect behaviour. The question of the determinants of behaviour, commonly called the “nature-nurture” controversy, was initially investigated by English scientist Sir
. (ANI)

Copyright 2009 Asian News International The Asian News International (ANI) agency provides multimedia news to China and 50 bureaus in India. It covers virtually all of South Asia since its foundation and presently claims, on its official website, to be the leading South Asia-wide news agency.  (ANI) - All Rights Reserved.

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Publication:Asian News International
Date:Jul 14, 2009
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