Cited by 259Treatment of Major DepressionStress Responses and CortisolTryptophan and brain disorders

Clinical and Biochemical Manifestations of Depression: Relation to the Neurobiology of Stress

Open access
Gold, Phillip W., Machado-Vieira, Rodrigo, Pavlatou, Maria G.·2015·Neural Plasticity

Abstract

Major depressive disorder (MDD) is a chronic, recurrent, and severe psychiatric disorder with high mortality and medical comorbidities. Stress-related pathways have been directly involved in the pathophysiology and treatment of MDD. The present paper provides an overview on the stress system as a model to understand key pathophysiological paradigms in MDD. These mechanisms involve behavioral, cognitive, and systemic manifestations and are also associated with the mechanisms of action of effective antidepressants. Aspects such as depression subtypes, inflammation, insulin resistance, oxidative stress, and prothrombotic states in critical brain circuits and periphery are critically appraised. Finally, new strategies for approaching treatment-resistant major depression and potential adverse effects associated with this complex and intricate network are highlighted. The authors used PubMed as the database for this review. Each author extracted relevant data and assessed the methodological quality of each study.

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Crossref · 10.1155/2015/581976

Cites

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  • Hypercortisolism is a relevant feature associated with melancholic-type depression and is present in many people with MDD and in animals subjected to stress.

    “Hypercortisolism is one of the relevant mechanisms involved in response to stress and is present in many people with MDD and in animals subjected to stress in the laboratory.”

    From Stress and serum cortisol levels in major depressive disorder: a cross-sectional study (2020) · cites this paper as [9]

    Section 5.1 associates hypercortisolism with major depression with melancholic features, and Section 2 lists it among signs of melancholia. The copy does not establish that it is present in many people with MDD generally or in laboratory animals subjected to stress; Section 8 discusses heightened stress responses in experimental animals without identifying hypercortisolism. (LLM, conf=0.87)

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  • Chronic stress throughout life involves biological changes that underlie MDD in many patients and in laboratory animals.

    “Chronic stress throughout life involves several biological changes, which are underlying MDD in many patients and in laboratory animals [4],[6],[9].”
  • Insulin resistance and inflammation can cause anxiety.

    “Insulin resistance and inflammation can cause anxiety [47]”

    From The Effect of Anxiety and Nutritional Habits on the Body Distortion of Athletes. (2025) · cites this paper as [47]

    Sections 3.3 and 3.4 describe insulin resistance and inflammation as components of the stress response, while Section 8 describes anxiety in the context of depression. None of these passages says that insulin resistance or inflammation causes anxiety; searches for those causal links found no supporting passage in our copy. Page numbers were not available. (LLM, conf=0.74)

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  • Experiential avoidance has been associated with anxiety.

    “Experiential avoidance seeks to control the way or frequency of aversive private experiences [37] and has been associated with anxiety [38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54].”

    From The Effect of Anxiety and Nutritional Habits on the Body Distortion of Athletes. (2025) · cites this paper as [47]

    Section 4.2 discusses aversive emotional memories and fear, and Section 8 discusses anxiety in depression, but neither addresses an association between experiential avoidance and anxiety. Searches for “experiential avoidance” and avoidance of aversive private experiences found no passage making that link; page numbers were not available in our copy. (LLM, conf=0.72)

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Cites

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Research works printed but not linked: 2

  1. [20]LeDoux J. E. Aggleton J. P. Emotion and the amygdala The Amygdala: Neurobiological Aspects of Emotion, Memory, and Mental Dysfuction 1992 New York, NY, USA Wiley-Liss 339 351
  2. [22]American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders: DSM-IV-TR 2000 APA Press

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Authors
Gold, P. W., Machado-Vieira, R., & Pavlatou, M. G.
Affiliations
  • National Institutes of Health (US)
  • National Institute of Mental Health Intramural Research Program, National Institutes of Health, Bethesda, MD 20892, USA
Corresponding author
Gold, Phillip W.
Venue
Neural Plasticity
Published
2015
Volume
2015
Pages
1-11
ISSN
  • 1687-5443 (ISSN-L)
  • 2090-5904
OpenAlex
W2055457894
Cited by
259
References
53
Citations by year
2026: 12 · 2025: 12 · 2024: 15 · 2023: 17 · 2022: 17 · 2021: 26 · 2020: 24 · 2019: 24 · 2018: 27 · 2017: 29 · 2016: 20 · 2015: 6 · 2014: 3 · 2013: 2 · 2012: 3
FWCI
3.43
Type
journal article
Language
en
Open access
Locations
  • Neural Plasticity (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
major depressive disorder, stress system, neurobiology of stress, depression pathophysiology, antidepressant mechanism, depression subtypes, inflammation, insulin resistance, oxidative stress, hypercoagulability, treatment-resistant depression, antidepressant side effects
MeSH terms
Animals, Brain, Depressive Disorder, Homeostasis, Humans, Inflammation, Neuronal Plasticity, Stress, Physiological, Stress, Psychological, Oxidative Stress, Neurogenesis

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