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Researchers identify genetic mutation linked to suicide risk
November 18, 2014
Researchers at Johns Hopkins University have discovered a chemical alteration in a single human gene that is linked to the risk of a suicide attempt. According to study leader Zachary Kaminsky, PhD, an assistant professor of psychiatry and behavioral sciences at the JHU School of Medicine, the results of this study could be a first step in developing a simple blood test that will help doctors predict suicide risk.
Described in
The American Journal of Psychiatry
,
the study
suggests that chemical changes in a gene involved in the function of the brain’s response to stress hormones plays a significant role in suicide risk. These changes can turn a normal reaction to everyday stress into suicidal thoughts and behaviors.
“Suicide is a major preventable public health problem, but we have been stymied in our prevention efforts because we have no consistent way to predict those who are at increased risk of killing themselves,” explains Kaminsky in a
press release
from Hopkins Medicine. “With a test like ours, we may be able to stem suicide rates by identifying those people and intervening early enough to head off a catastrophe.”
A blood test that accurately predicts suicide risk would be good news for the U.S. military, which has experienced an
alarming increase
in the number of suicides among veterans over the past few years, particularly males under the age of 30.
“What we envision, potentially, is using this test in psychiatric emergency rooms. For example, it could dictate closeness of monitoring and treatment options, and drive potentially more fast acting treatment in someone who is really high risk,” said Kaminsky in an
interview
with
The Huffington Post.
To read the abstract or to download the full article, visit the
American Journal of Psychiatry
Web site
.
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