Cited by 300Stress Responses and CortisolCancer, Stress, Anesthesia, and Immune ResponseVagus Nerve Stimulation Research

Immunology of stress: A review article

Open access
Alotiby, Amna·2024·Journal of Clinical Medicine

Abstract

Stress significantly impacts the immune system, affecting susceptibility to illness and overall health. This review examines the intricate relationship between stress and the immune system, offering insights having practical implications for health and disease prevention. Stress can significantly trigger molecular and immune modulation, affecting the distribution and trafficking of immune cells in various organs and altering their composition in the blood. The review delves into two key pathways connecting stress and immunity: the hypothalamic–pituitary–adrenal (HPA) axis and the sympathetic nervous system. Stress activates the neuroendocrine system and triggers microglia in the brain, releasing stress hormones and neurotransmitters that modulate the function and movement of immune cells. Acute stress can temporarily strengthen immunity and promote protection during infection; in contrast, chronic stress dysregulates or inhibits immune functions. Chronic stress causes an increase in cortisol levels through the HPA axis, ultimately suppressing the immune response. Recognizing stress triggers and implementing effective stress management techniques can significantly impact individuals’ well-being. This review indicates that immune cells express genes differentially in response to stress, suggesting individual variabilities in the immune response against stress. This underscores the need for a personalized approach to stress management. This review also highlights the potential link between chronic stress and autoimmune disorders and warrants further investigation.

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Crossref · 10.3390/jcm13216394

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  • Chronic psychological or physiological stress can exacerbate RA through neuro-immune-bone axis pathways.

    “Recent studies indicate that chronic psychological or physiological stress can exacerbate RA through neuro–immune–bone axis pathways [76]”

    From Interorgan Communications in Skeletal Pathophysiology: From Molecular Pathways to Multidisciplinary Therapies (2026) · cites this paper as [76]

    Section 7, “Chronic Stress and Immune Dysregulation” (page unavailable), reports that patients with rheumatoid arthritis who have elevated stress levels report greater disease activity and more frequent flare-ups. Sections 4 and 8 describe stress-related neural and immune mechanisms, but the copy does not connect RA exacerbation specifically to a neuro–immune–bone axis pathway. (LLM, conf=0.86)

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Authors
Alotiby, A.
Affiliations
Umm al-Qura University (SA)
Corresponding author
Alotiby, Amna
Venue
Journal of Clinical Medicine
Publisher
MDPI AG
Published
2024-10-25
Volume
13
Issue
21
Pages
6394
ISSN
2077-0383 (ISSN-L)
OpenAlex
W4403749058
Cited by
253
References
51
Citations by year
2026: 145 · 2025: 108
FWCI
9.71
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Medicine (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Health Sciences › Medicine › Psychiatry and Mental health › Cancer, Stress, Anesthesia, and Immune Response
  • Life Sciences › Neuroscience › Neurology › Vagus Nerve Stimulation Research
Keywords
stress, immune system, hypothalamic-pituitary-adrenal axis, sympathetic nervous system, cortisol, chronic stress, acute stress, immune cell trafficking, neuroendocrine-immune interaction, microglia, stress hormones, stress management, autoimmune disease, immune gene expression

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