Related Experiment Video
Updated: Jul 13, 2026
05:28
A Chronic Immobilization Stress Protocol for Inducing Depression-Like Behavior in Mice
Published on: May 15, 2019
The acute stress-induced immunoenhancement hypothesis
Kate M Edwards1, Victoria E Burns, Douglas Carroll
1Department of Psychiatry, University of California, San Diego, CA 92093-0804, USA. kmedwards@ucsd.edu
Exercise and Sport Sciences Reviews
|July 11, 2007
Summary
Acute stress, like exercise, changes the immune system. This review explores using acute stress activation of the innate immune system as a vaccine adjuvant to boost immune responses.
Area of Science:
- Immunology
- Stress Physiology
- Vaccinology
Background:
- Acute stress, including exercise, induces significant immunological alterations.
- The innate immune system's activation during acute stress is a recent area of investigation.
- Harnessing these stress-induced immune changes as an adjuvant is a novel concept.
Purpose of the Study:
- To develop the acute stress-induced immunoenhancement hypothesis.
- To explore the potential of acute stress as a vaccine adjuvant.
- To review the immunological changes associated with acute stress.
Main Methods:
- Literature review and synthesis of existing research.
- Theoretical development of the immunoenhancement hypothesis.
- Analysis of innate immune system activation pathways.
Main Results:
- Acute stress can modulate innate immune responses.
- These modulations present a potential mechanism for adjuvant activity.
- The hypothesis suggests stress-induced immune activation can enhance antigen-specific responses.
Conclusions:
- Acute stress-induced immunoenhancement is a plausible strategy for vaccine adjuvant development.
- Further research is warranted to validate the role of stress as an adjuvant.
- Harnessing innate immunity via stress could improve vaccine efficacy.
Related Concept Videos
01:24Physiological Foundation of Stress
Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
Role of the Sympathetic Nervous System
Adrenaline triggers the...
01:27Psychoneuroimmunology: Cardiovascular Disease
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
01:37Hypothalamic-Pituitary Axis
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
01:27Introduction to Stress and Lifestyle
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
01:21Stress Response System
The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
In the alarm stage, the body's initial...
Alarm stage
In the alarm stage, the body's initial...
01:19Psychoneuroimmunology: Diabetes and Cancer
Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...