• Biological psychiatry · Aug 2015

    Review

    Pituitary adenylate cyclase activating polypeptide in stress-related disorders: data convergence from animal and human studies.

    • Sayamwong E Hammack and Victor May.
    • Department of Psychological Science, University of Vermont, Burlington, Vermont. Electronic address: shammack@uvm.edu.
    • Biol. Psychiatry. 2015 Aug 1; 78 (3): 167-77.

    AbstractThe maladaptive expression and function of several stress-associated hormones have been implicated in pathological stress and anxiety-related disorders. Among these, recent evidence has suggested that pituitary adenylate cyclase activating polypeptide (PACAP) has critical roles in central neurocircuits mediating stress-related emotional behaviors. We describe the PACAPergic systems, the data implicating PACAP in stress biology, and how altered PACAP expression and signaling may result in psychopathologies. We include our work implicating PACAP signaling within the bed nucleus of the stria terminalis in mediating the consequences of stressor exposure and relatedly, describe more recent studies suggesting that PACAP in the central nucleus of the amygdala may impact the emotional aspects of chronic pain states. In aggregate, these results are consistent with data suggesting that PACAP dysregulation is associated with posttraumatic stress disorder in humans.Copyright © 2015 Society of Biological Psychiatry. Published by Elsevier Inc. All rights reserved.

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