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Updated: Feb 17, 2026

Assessment of Morphine-induced Hyperalgesia and Analgesic Tolerance in Mice Using Thermal and Mechanical Nociceptive Modalities
Published on: July 29, 2014
Targeting Cytokines for Morphine Tolerance: A Narrative Review
Dai-Qiang Liu1,2, Ya-Qun Zhou1,2, Feng Gao1,2
1Anesthesiology Institute, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Cytokines and chemokines increase with morphine tolerance. Targeting these molecules, like interleukin 10, may help manage pain therapy side effects.
Area of Science:
- Neuroscience
- Immunology
- Pharmacology
Background:
- Morphine is a potent analgesic but its long-term use is limited by tolerance.
- The cellular and molecular mechanisms of morphine tolerance are not fully understood.
Purpose of the Study:
- To investigate the role of cytokines and chemokines in the development of morphine tolerance.
Main Methods:
- A systematic literature search of PubMed using keywords related to morphine tolerance and specific cytokines (e.g., interleukin 1, interleukin 6, tumor necrosis factor alpha, interleukin 10) and chemokines.
- Manual review of reference lists from relevant studies.
Main Results:
- Increased expression of certain chemokines and pro-inflammatory cytokines was observed in animal models of morphine tolerance.
- Cytokines and cytokine receptor antagonists demonstrated efficacy in mitigating morphine tolerance development.
Conclusions:
- Cytokines are fundamentally involved in the development of morphine tolerance.
- Targeting cytokines presents a potential therapeutic strategy for managing morphine tolerance in pain management.
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