Manipulation of the Gut Microbiome Alters Acetaminophen Biodisposition in Mice
Abstract
The gut microbiota is a vast and diverse microbial community that has co-evolved with its host to perform a variety of essential functions involved in the utilization of nutrients and the processing of xenobiotics. Shifts in the composition of gut microbiota can disturb the balance of organisms which can infuence the biodisposition of orally administered drugs. To determine how changes in the gut microbiome can alter drug disposition, the pharmacokinetics (PK), and biodistribution of acetaminophen were assessed in C57Bl/6 mice after treatment with the antibiotics ciprofoxacin, amoxicillin, or a cocktail of ampicillin/neomycin. Altered PK, and excretion profles of acetaminophen were observed in antibiotic exposed animals. Plasma Cmax was signifcantly decreased in antibiotic treated animals suggesting decreased bioavailability. Urinary metabolite profles revealed decreases in acetaminophen-sulfate metabolite levels in both the amoxicillin and ampicillin/neomycin treated animals. The ratio between urinary and fecal excretion was also altered in antibiotic treated animals. Analysis of gut microbe composition revealed that changes in microbe content in antibiotic treated animals was associated with changes in acetaminophen biodisposition. These results suggest that exposure to amoxicillin or ampicillin/neomycin can alter the biodisposition of acetaminophen and that these alterations could be due to changes in gut microbiome composition.
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); USDOE Laboratory Directed Research and Development (LDRD) Program; National Institutes of Health (NIH); National Institute of General Medical Sciences (NIGMS); USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1619817
- Alternate Identifier(s):
- OSTI ID: 1624526; OSTI ID: 1661045
- Report Number(s):
- LLNL-JRNL-770539
Journal ID: ISSN 2045-2322; 4571; PII: 60982
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Published Article
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Name: Scientific Reports Journal Volume: 10 Journal Issue: 1; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; Science & technology - other topics; drug effectiveness; antibiotics; microbiome; pharmacokinetics
Citation Formats
Malfatti, Michael A., Kuhn, Edward A., Murugesh, Deepa K., Mendez, Melanie E., Hum, Nicholas, Thissen, James B., Jaing, Crystal J., and Loots, Gabriela G. Manipulation of the Gut Microbiome Alters Acetaminophen Biodisposition in Mice. United Kingdom: N. p., 2020.
Web. doi:10.1038/s41598-020-60982-8.
Malfatti, Michael A., Kuhn, Edward A., Murugesh, Deepa K., Mendez, Melanie E., Hum, Nicholas, Thissen, James B., Jaing, Crystal J., & Loots, Gabriela G. Manipulation of the Gut Microbiome Alters Acetaminophen Biodisposition in Mice. United Kingdom. https://doi.org/10.1038/s41598-020-60982-8
Malfatti, Michael A., Kuhn, Edward A., Murugesh, Deepa K., Mendez, Melanie E., Hum, Nicholas, Thissen, James B., Jaing, Crystal J., and Loots, Gabriela G. Thu .
"Manipulation of the Gut Microbiome Alters Acetaminophen Biodisposition in Mice". United Kingdom. https://doi.org/10.1038/s41598-020-60982-8.
@article{osti_1619817,
title = {Manipulation of the Gut Microbiome Alters Acetaminophen Biodisposition in Mice},
author = {Malfatti, Michael A. and Kuhn, Edward A. and Murugesh, Deepa K. and Mendez, Melanie E. and Hum, Nicholas and Thissen, James B. and Jaing, Crystal J. and Loots, Gabriela G.},
abstractNote = {The gut microbiota is a vast and diverse microbial community that has co-evolved with its host to perform a variety of essential functions involved in the utilization of nutrients and the processing of xenobiotics. Shifts in the composition of gut microbiota can disturb the balance of organisms which can infuence the biodisposition of orally administered drugs. To determine how changes in the gut microbiome can alter drug disposition, the pharmacokinetics (PK), and biodistribution of acetaminophen were assessed in C57Bl/6 mice after treatment with the antibiotics ciprofoxacin, amoxicillin, or a cocktail of ampicillin/neomycin. Altered PK, and excretion profles of acetaminophen were observed in antibiotic exposed animals. Plasma Cmax was signifcantly decreased in antibiotic treated animals suggesting decreased bioavailability. Urinary metabolite profles revealed decreases in acetaminophen-sulfate metabolite levels in both the amoxicillin and ampicillin/neomycin treated animals. The ratio between urinary and fecal excretion was also altered in antibiotic treated animals. Analysis of gut microbe composition revealed that changes in microbe content in antibiotic treated animals was associated with changes in acetaminophen biodisposition. These results suggest that exposure to amoxicillin or ampicillin/neomycin can alter the biodisposition of acetaminophen and that these alterations could be due to changes in gut microbiome composition.},
doi = {10.1038/s41598-020-60982-8},
journal = {Scientific Reports},
number = 1,
volume = 10,
place = {United Kingdom},
year = {2020},
month = {3}
}
https://doi.org/10.1038/s41598-020-60982-8
Web of Science
Figures / Tables:

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