An international team of scientists has identified a gene in the brain linked to anxiety symptoms, with modifications to this gene shown to reduce anxiety levels. A gene in the brain driving anxiety symptoms has been identified by an international team of scientists. Critically, modification of t
Anxiety disorders are common with 1 in 4 people diagnosed with a disorder at least once in their lifetime. Severe psychological trauma can trigger genetic, biochemical, and morphological changes in neurons in the brain’s amygdala — the brain region implicated in stress-induced anxiety, leading to the onset of anxiety disorders, including panic attacks and post-traumatic stress disorder.
In this study, scientists sought to identify the molecular events in the brain that underpin anxiety. They focused on a group of molecules, known as miRNAs in animal models. This important group of molecules, also found in the human brain, regulates multiple target proteins controlling the cellular processes in the amygdala.
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