Cited by 154Pain Mechanisms and TreatmentsGut microbiota and healthGastrointestinal motility and disorders

The effect of gut microbiome on tolerance to morphine mediated antinociception in mice

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Kang, Minho, Mischel, Ryan A., Bhave, Sukhada, Komla, Essie, Cho, Alvin, Huang, Charity, Dewey, William L., Akbarali, Hamid I.·2017·Scientific Reports

Abstract

There is growing appreciation for the importance of gastrointestinal microbiota in many physiological and pathophysiological processes. While morphine and other narcotics are the most widely prescribed therapy for moderate to severe pain clinically, they have been noted to alter microbial composition and promote bacterial translocation to other tissues. Here we examined the pharmacodynamic properties of chronic morphine in mice following bacterial depletion with oral gavage of an antibiotic cocktail (ABX). ABX significantly reduced gut bacteria and prevented chronic morphine induced increases in gut permeability, colonic mucosal destruction, and colonic IL-1β expression. In addition, ABX prevented the development of antinociceptive tolerance to chronic morphine in both the tail-immersion and acetic acid stretch assays. Morphine tolerance was also reduced by oral vancomycin that has 0% bioavailability. These findings were recapitulated in primary afferent neurons isolated from dorsal root ganglia (DRG) innervating the lower gastrointestinal tract, wherein in-vivo administration of ABX prevented tolerance to morphine-induced hypoexcitability. Finally, though ABX repeatedly demonstrated an ability to prevent tolerance, we show that it did not alter susceptibility to precipitation of withdrawal by naloxone. Collectively, these finding indicate that the gastrointestinal microbiome is an important modulator of physiological responses induced by chronic morphine administration.

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Authors
Kang, M., Mischel, R. A., Bhave, S., Komla, E., Cho, A., Huang, C., Dewey, W. L., & Akbarali, H. I.
Affiliations
Virginia Commonwealth University (US)
Corresponding author
Akbarali, Hamid I.
Venue
Scientific Reports
Published
2017-02-17
Volume
7
Issue
1
Pages
42658-42658
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2588163334
Cited by
154
References
37
Citations by year
2026: 3 · 2025: 25 · 2024: 19 · 2023: 21 · 2022: 20 · 2021: 23 · 2020: 15 · 2019: 18 · 2018: 7 · 2017: 3
FWCI
8.90
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Institute on Drug Abuse (R01DA024009, R01DA036975, P30DA033934, T32DA007027)
  • National Institute of General Medical Sciences (R25GM090084)
Topics
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
gut microbiota, morphine tolerance, antinociception, antibiotic depletion, intestinal permeability, colonic mucosa, IL-1β, dorsal root ganglia, primary afferent neurons, naloxone-precipitated withdrawal, opioid analgesia, bacterial translocation
MeSH terms
Gastrointestinal Microbiome, Analgesics, Opioid, Animals, Anti-Bacterial Agents, Cecum, Drug Tolerance, Ganglia, Spinal, Male, Morphine, Morphine Dependence, Naloxone, Narcotic Antagonists, Pain, Spleen, Stomach, Substance Withdrawal Syndrome, Mice, Dysbiosis

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