NEW YORK (GenomeWeb) – A new study of former child soldiers in Nepal has found that expression of an immune-related gene regulatory network is linked to measures of post-traumatic stress disorder severity. The results corroborate studies of the effects of childhood stress on gene expression performed in Western, educated, industrialized, rich, and democratic countries, and give credence to the idea that psychological "resilience" can mitigate molecular consequences of stress, the authors said.

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