Cited by 926Stress Responses and CortisolNeuropeptides and Animal PhysiologyAdrenal Hormones and Disorders

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Stressor Specificity of Central Neuroendocrine Responses: Implications for Stress-Related Disorders

Pacák, Karel, Palkovits, Miklós·2001·Endocrine Reviews

Abstract

Despite the fact that many research articles have been written about stress and stress-related diseases, no scientifically accepted definition of stress exists. Selye introduced and popularized stress as a medical and scientific idea. He did not deny the existence of stressor-specific response patterns; however, he emphasized that such responses did not constitute stress, only the shared nonspecific component. In this review we focus mainly on the similarities and differences between the neuroendocrine responses (especially the sympathoadrenal and the sympathoneuronal systems and the hypothalamo-pituitary-adrenocortical axis) among various stressors and a strategy for testing Selye's doctrine of nonspecificity. In our experiments, we used five different stressors: immobilization, hemorrhage, cold exposure, pain, or hypoglycemia. With the exception of immobilization stress, these stressors also differed in their intensities. Our results showed marked heterogeneity of neuroendocrine responses to various stressors and that each stressor has a neurochemical "signature." By examining changes of Fos immunoreactivity in various brain regions upon exposure to different stressors, we also attempted to map central stressor-specific neuroendocrine pathways. We believe the existence of stressor-specific pathways and circuits is a clear step forward in the study of the pathogenesis of stress-related disorders and their proper treatment. Finally, we define stress as a state of threatened homeostasis (physical or perceived treat to homeostasis). During stress, an adaptive compensatory specific response of the organism is activated to sustain homeostasis. The adaptive response reflects the activation of specific central circuits and is genetically and constitutionally programmed and constantly modulated by environmental factors.

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  1. Delgado, 1972, Dialytrode for long-term intravertebral perfusion in awake monkeys., Arch Int Pharmacodyn Ther, 198, 9
  2. Plotsky, 1985, Hypophysiotrophic regulation of adenohypophyseal adrenocorticotropin secretion., Fed Proc, 44, 207
  3. Brizzee, 1991, Role of vasopressin release in acutely altered baroreflex sensitivity during hemorrhage in rats, Am J Physiol, 261, R667
  4. Mezey, 1991, CRF-containing neurons in the hypothalamic paraventricular nucleus: Regulation, especially by catecholamines., Front Neuroendocrinol, 12, 23
  5. Záborszky, 1979, Afferent brain stem connections of the central amygdaloid nucleus., Verh Anat Ges, 73, 1117
  6. Chrousos, 1997, The neuroendocrinology of stress: its relation to the hormonal milieu, growth, and development., Growth Genet Horm, 13, 1
  7. Hyman, 1998, Brain neurocircuitry of anxiety and fear: implications for clinical research and practice., Biol Psychiat, 44, 1201

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Metadata

Authors
Pacák, K., & Palkovits, M.
Affiliations
  • Pediatric and Reproductive Endocrinology Branch (K.P.), National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
  • Laboratory of Genetics (M.P.), National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland 20892-1583
Venue
Endocrine Reviews
Published
2001-08-01
Volume
22
Issue
4
Pages
502-548
ISSN
  • 0163-769X (ISSN-L)
  • 1945-7189
OpenAlex
W2066156347
Cited by
926
References
486
Citations by year
2026: 15 · 2025: 18 · 2024: 21 · 2023: 24 · 2022: 23 · 2021: 26 · 2020: 28 · 2019: 24 · 2018: 38 · 2017: 27 · 2016: 36 · 2015: 47 · 2014: 45 · 2013: 39 · 2012: 56
FWCI
4.07
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrine Reviews (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Child Health and Human Development
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
Keywords
stressor specificity, neuroendocrine response, stress-related disorders, sympathoadrenal system, hypothalamic-pituitary-adrenal axis, Fos-like immunoreactivity, restraint stress, hemorrhage, cold exposure, pain, hypoglycemia
MeSH terms
Adrenocorticotropic Hormone, Animals, Brain, Humans, Hypothalamo-Hypophyseal System, Neurosecretory Systems, Paraventricular Hypothalamic Nucleus, Stress, Physiological

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