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  • Title: Chronically elevated corticosterone in the amygdala increases corticotropin releasing factor mRNA in the dorsolateral bed nucleus of stria terminalis following duress.
    Author: Shepard JD, Schulkin J, Myers DA.
    Journal: Behav Brain Res; 2006 Nov 01; 174(1):193-6. PubMed ID: 16934343.
    Abstract:
    Elevated corticosterone in the amygdala leads to cautious avoidance behaviors on the elevated plus maze. The current study examined the effect of elevated corticosterone in the amygdala on corticotropin releasing factor (CRF) mRNA levels in the bed nuclei of stria terminalis (BNST). Exposure to the elevated plus maze increased CRF mRNA in both the dorsolateral and ventrolateral BNST. Corticosterone implants in the amygdala potentiated this effect in the dorsolateral, but not ventrolateral BNST. Corticosterone also resulted in an increased number of neurons expressing CRF in the dorsolateral BNST in response to the behavioral stimuli.
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