Thursday, 28 August 2008

Genetic Predisposition May Play A Role In Anxiety Disorders

�Finnish scientists have identified genes that may predispose to anxiousness disorders. Research conducted under the supervising of Academy Research Fellow Iiris Hovatta have focused on genes that influence human doings, and some of the studied genes show a statistical association with specific anxiety disorders. The put to work is carried out as part of the Academy of Finland Research Programme on Neuroscience (NEURO).



Previously Hovatta's team have explored the genic background of anxiety in experimental models. The current study follows up on these findings in humankind using data collected as part of national Health 2000 Survey consisting of 321 individuals who had been diagnosed with anxiety disorder and 653 salubrious controls. Hovatta says it was interesting that different genes showed evidence for association to specific types of anxiety disorders, such as terror disorder, social phobias or generalised anxiety disorder. The results will be published in Biological Psychiatry in October.



"Environmental factors, such as nerve-racking life events, may trigger an anxiety disorder more than easily in people wHO have a genetic sensitivity to the illness," Iiris Hovatta says. The focus in the team's farther studies will be to understand the molecular and cellular processes that connectedness these genes to the regulation of anxiety conduct.



Furthermore, the team's external collaborators in Spain and the United States ar trying to replicate these findings in their anxiety disorder datasets to take in whether the genes identified by Finnish scientists predispose to anxiousness disorders in other populations as comfortably. Only by replicating the results firm conclusions privy be drawn about the role of these genes in the predisposition to anxiety in more general.



A finisher understanding of the genetic science and neurobiology of anxiety disorders is expected to help meliorate treatment of the malady using both drugs and therapy-based approaches. For the time being, no targeted drugs ar available for the handling of anxiousness disorders. Some patients with anxiety disorders do benefit from the currently exploited medication, just about half of the patients do not.



An article on the subject published in Biological Psychiatry 16 Jul 2008:
An Association Analysis of Murine Anxiety Genes in Humans Implicates Novel Candidate Genes for Anxiety Disorders.
Donner et al

Academy of Finland


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