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[Stress-induced analgesia].
1Department of Pharmacology, Faculty of Pharmaceutical Sciences, Nagasaki University, Japan.
Yakubutsu, Seishin, Kodo = Japanese Journal of Psychopharmacology
|October 1, 1991
Summary
Stress can trigger pain relief through stress-induced analgesia (SIA), involving complex biological mechanisms. This study explores how stress impacts pain perception and opioid tolerance.
Area of Science:
- Neuroscience
- Behavioral Biology
- Endocrinology
Context:
- Emotional responses to threats activate intrinsic pain-inhibitory systems.
- Stress-induced analgesia (SIA) is a fundamental adaptive mechanism in animals and humans.
- Understanding SIA is crucial for comprehending physiological responses to adverse environments.
Purpose:
- To elucidate the mechanisms underlying stress-induced analgesia (SIA).
- To examine the roles of emotional responses, neuroendocrine axes, and neurotransmitters in SIA.
- To investigate the blockade of morphine tolerance development by concurrent stress exposure.
Summary:
- This report details the involvement of opioid and non-opioid pathways in SIA.
- It explores the contributions of the hypothalamus-pituitary-adrenal cortex-axis and hypothalamus-sympatho-adrenal medulla-axis.
- The study also discusses the impact of stress on classical neurotransmitters and receptors, and the prevention of morphine tolerance.
Impact:
- Provides insights into the neurobiological underpinnings of pain modulation by stress.
- Offers potential avenues for understanding and managing pain and opioid tolerance.
- Contributes to the knowledge of adaptive physiological responses to environmental challenges.