Cited by 428Stress Responses and CortisolNeuroendocrine regulation and behaviorNeuropeptides and Animal Physiology

Primary social relationships influence the development of the hypothalamic–pituitary-adrenal axis in the rat

Levine, Seymour·2001·Physiology & Behavior

Abstract

In the developing rodent, there is a period from about days 4 to 14 when the adrenal response to stress is either minimal or non-existent. This has been designated as the stress hyporesponsive period (SHRP). Numerous experiments have demonstrated that maternal factors are critical for the regulation of the pup's hypothalamic--pituitary--adrenal (HPA) axis and the maintenance of the SHRP. Following 24 h of maternal deprivation, the neonatal rat shows elevated basal levels of corticosterone (CORT) and exhibits a robust CORT and ACTH response to mild stress. Further, c-fos mRNA in the paraventricular nucleus (PVN) is enhanced following stress in deprived pups. At least three aspects of maternal behavior play a role in the regulation of the HPA axis during development. Tactile stimulation appears capable of inhibiting most of the brain-related changes that occur following maternal deprivation. Feeding is essential for maintaining the adrenal-unresponsive and reduces the sensitivity of the adrenal to ACTH. Passive contact suppresses the response to stress. In the adult, corticotropin-releasing hormone (CRH) is the major neuropeptide that controls pituitary ACTH secretion. In the maternally deprived pup, CRH gene transcription is downregulated and arginine vasopressin (AVP) appears to assume the major regulatory hormone that modulates ACTH. These data all indicate that maternal factors are responsible for actively inhibiting the endocrine responses to stress postnatally. Thus, duri…

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Crossref · 10.1016/s0031-9384(01)00496-6

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Authors
Levine, S.
Affiliations
University of California, Davis (US)
Corresponding author
Levine, Seymour
Venue
Physiology & Behavior
Publisher
Elsevier BV
Published
2001-06
Volume
73
Issue
3
Pages
255-260
ISSN
0031-9384 (ISSN-L)
OpenAlex
W2099042039
Cited by
428
References
40
Citations by year
2026: 9 · 2025: 6 · 2024: 4 · 2023: 7 · 2022: 6 · 2021: 13 · 2020: 15 · 2019: 20 · 2018: 16 · 2017: 20 · 2016: 17 · 2015: 16 · 2014: 30 · 2013: 23 · 2012: 24
FWCI
7.28
Type
journal article
Language
en
Open access
closed
Locations
  • Physiology & Behavior (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute for Health and Care Research
  • National Institutes of Health (5p01hd002881-23, 5r37mh045006-11)
  • U.S. Public Health Service
  • National Institute of Mental Health (MH 45006, MH-19936)
  • National Institute of Child Health and Human Development
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD 02881)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
hypothalamic-pituitary-adrenal axis, stress hyporesponsive period, maternal deprivation, maternal behavior, corticosterone, ACTH, corticotropin-releasing factor, vasopressin, paraventricular nucleus, c-fos, tactile stimulation, neonatal development, stress response
MeSH terms
Animals, Hormones, Hypothalamo-Hypophyseal System, Pituitary-Adrenal System, Social Environment, Stress, Psychological, Rats

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