Editor's Choice
Main Category: Anxiety / Stress
Also Included In: Genetics; Mental Health; Psychology / Psychiatry
Article Date: 09 Aug 2012
A study published online in Molecular Psychiatry reports that researchers have discovered a new gene that is associated with post-traumatic stress disorder (PTSD).
The findings suggest that retinoid-related orphan receptor alpha (RORA) is involved in protecting brain cells from the damaging effects of stress and that it could also play a role in developing PTSD.
PTSD is a psychiatric disorder that is characterized by serious changes in behavioral, cognitive, emotional and psychological functioning after experiencing a psychologically traumatic event. According to earlier research, around 8% of the U.S. population will develop PTSD at some time in their life. This figure is considerably higher amongst veterans, with as many as 1 in 5 veterans suffering from PTSD. Earlier genome wide-association studies (GWAS) have associated the RORA gene to other psychiatric conditions, such as bipolar disorder, attention-deficit hyperactivity disorder, depression and autism.
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Almost like this announcement in May
Memory gene may fuel PTSD
May 14th, 2012
CNN
Dr. Sanjay Gupta
A vivid memory can be an asset if you're studying for an exam or trying to recall the details of a conversation, but that aptitude may backfire when it comes to forming long-term responses to emotional trauma.
In a new study, Swiss researchers have found that a certain gene associated with a good memory - and in particular, the ability to remember emotionally charged images - is also linked to an increased risk of post-traumatic stress disorder (PTSD) among survivors of the 1994 genocide in Rwanda.
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And this one in January
Researchers now looking at PTSD link in DNA?
Veterans taking part in massive DNA project
Wednesday, January 04, 2012
Carolyn Johnson
PALO ALTO, Calif. (KGO) -- Bay Area veterans are answering the call to help with a massive research project and when it is up and running, it could provide new answers for some difficult-to-treat conditions.
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Oh, come on now. They have been "discovering" the link going back to 2008 on this blog alone.
Scientists find why bad memories stay with us
Glue that makes bad memories stick may help with Alzheimer's, study says
By Andrea Thompson
updated 2 hours, 25 minutes ago
Scientists may have found the glue that keeps fearful memories stuck in the brain, a discovery that could be useful in new treatments for Alzheimer's disease and post-traumatic stress disorder.
That glue seems to be a protein that is key to maintaining the structure of cells and also is essential to embryonic development, a new study suggests.
The protein, called beta-catenin, transmits early signals in species ranging from flies to frogs to mice that separate an embryo into front and back or top and bottom. It also acts like Velcro, fastening a cell's internal skeleton to proteins on its external membranes that in turn connect them to other cells.
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