Journal
NEUROBIOLOGY OF STRESS
Volume 10, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ynstr.2019.100155
Keywords
Sex differences; Stress; Animal models; HPA-Axis; Development; Postpartum
Categories
Funding
- [F32-MH110128]
- [MH101729]
- [MH049698]
- [NS073574]
- [NS102937]
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Emerging evidence from the preclinical and human research suggests sex differences in response to different types of stress exposure, and that developmental timing, reproductive status, and biological sex are important factors influencing the degree of HPA activation/function. Here we review data regarding: i) sex differences in behavioral and neural responses to uncontrollable and controllable stressors; ii) distinct trajectories of behavioral development and HPA-axis function in male and female rats following adolescent stress exposure; iii) normative changes in behavior and dopamine function in early postpartum rats; iv) aberrant HPA-axis function and its link to abnormal behaviors in two independent, preclinical mouse models of postpartum depression; and, v) data indicating that gender, in addition to sex, is an important determinant of stress reactivity in humans. Based on these findings, we conclude it will be important for future studies to investigate the short and long-term effects of a wide variety of stressors, how these effects may differ according to developmental timing and in relation to gonadal function, the relationship between aberrant HPA-axis activity during the postpartum and mood disorders, and influences of both sex and gender on stress reactivity in humans.
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