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September 5, 2025NeuropsychopharmacologyOpen Access

Maternal separation disrupts noradrenergic control of adult coping behaviors

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Authors

CVChayla R. VazquezLBLéa J. BeckerCKChao‐Cheng Kuo

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Overview

Observational analysis shows maternal separation affects noradrenergic modulation in adults, indicating early life stress may alter coping strategies during stress.

Key Points

  • Maternal separation significantly dysregulates noradrenergic activity throughout life, impacting coping behaviors.
  • In adulthood, maternal separation reduced mRNA levels for the alpha-2 A adrenergic receptor and dopamine beta-hydroxylase.
  • Cell-attached electrophysiology revealed increased locus coeruleus firing in both early development and adulthood after maternal separation.
  • Inhibiting the locus coeruleus in mice showed differing effects on immobility time, highlighting complex interactions in stress response.

Cite This Study

Vazquez et al. (2025) studied this question.

synapsesocial.com/papers/68bb420d2b87ece8dc958253https://doi.org/10.1038/s41386-025-02201-4
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Early life stress induces sex-specific changes in cognitive and affective behavior associated with disrupted noradrenergic physiology2026
  2. 2Late maternal separation provides resilience to chronic variable stress-induced anxiety- and depressive-like behaviours in male but not female mice2024 · 2 citations
  3. 3Sex-specific effects of early life stress exposure on memory performance and medial prefrontal cortex transcriptomic pattern of adolescent mice2024 · 1 citations
  4. 4Early Life Stress Blunts Time Of Day Specific Autonomic Function In Adult Male Mice2026
  5. 5Early life stress induces social behavioral deficits and peripheral biomarker alterations in adolescence that perpetuate intergenerationally2025