Cited by 117Clostridium difficile and Clostridium perfringens researchAntimicrobial agents and applicationsGut microbiota and health

Lauric Acid Is an Inhibitor of Clostridium difficile Growth in Vitro and Reduces Inflammation in a Mouse Infection Model

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Yang, Hsiao-Ting, Chen, Jenn-Wei, Rathod, Jagat, Jiang, Yu-Zhen, Tsai, Pei-Jane, Hung, Yuan-Pin, Ko, Wen-Chien, Paredes-Sabja, Daniel +1 more·2018·Frontiers in Microbiology

Abstract

Clostridium difficile is a gram-positive, spore-forming anaerobic human gastrointestinal pathogen. C. difficile infection (CDI) is a major health concern worldwide, with disease symptoms ranging from diarrhea, pseudomembranous colitis, toxic megacolon, sepsis, and death. CDI onset and progression are mostly manifested based on intestinal dysbiosis and exposure to C. difficile spores. Current treatment strategies rely on antibiotic usage, which can often result in high recurrence rates and might increase the risk of developing antibiotic-resistant strains. Medium-chain fatty acids (MCFAs) have been revealed to inhibit the growth of multiple human bacterial pathogens. Previously, components of coconut oil, which included lauric acid, were revealed to inhibit C. difficile growth in vitro. Here we demonstrated that lauric acid exhibits potent antimicrobial activities against multiple toxigenic C. difficile isolates in vitro. The mechanisms of inhibition are due partly to the generation of the reactive oxygen species (ROS) and cell membrane damage. Biofilm formation and preformed biofilm were also considerably reduced by the administration of lauric acid in a dose-dependent manner. Importantly, in a murine infection model, lauric acid pretreatment lessened CDI symptoms and reduced proinflammatory cytokine production. Our combined results suggest that naturally occurring MCFA lauric acid is a novel C. difficile inhibitor, and could be useful in the development of an alternative or adjunctive treatment for CDI.

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  • Glycerol monolaurate may almost completely kill the vegetative cells and spores of aerobic and anaerobic bacteria.

    “Additionally, GML may almost completely kill the vegetative cells and spores of aerobic and anaerobic bacteria (Schlievert et al., 2018; Yang et al., 2018).”

    From Insect Derived Lauric Acid as Promising Alternative Strategy to Antibiotics in the Antimicrobial Resistance Scenario (2021) · cites this paper as Yang et al., 2018

    The Discussion (page unavailable) says monolaurin, the monoglyceride form of lauric acid, has antibacterial potency, but a narrower antibacterial range. The Results concern lauric acid against C. difficile: they report reduced vegetative-cell viability and spore outgrowth, not that glycerol monolaurate almost completely kills vegetative cells and spores across aerobic and anaerobic bacteria. (LLM, conf=0.78)

    Experimental — accuracy not yet measured
  • Short-chain fatty acids exhibit antibacterial activity against various pathogens.

    “exhibiting antibacterial activity against various pathogens (Yang et al., 2018).”

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Authors
Yang, H.-T., Chen, J.-W., Rathod, J., Jiang, Y.-Z., Tsai, P.-J., Hung, Y.-P., Ko, W.-C., Paredes-Sabja, D., & Huang, I.-H.
Affiliations
  • National Cheng Kung University (TW)
  • National Cheng Kung University Hospital (TW)
Corresponding author
Huang, I-Hsiu
Venue
Frontiers in Microbiology
Published
2018-01-17
Volume
8
Pages
2635-2635
ISSN
1664-302X (ISSN-L)
OpenAlex
W2784110953
Cited by
117
References
73
Citations by year
2026: 8 · 2025: 17 · 2024: 25 · 2023: 15 · 2022: 16 · 2021: 21 · 2020: 6 · 2019: 7 · 2018: 2
FWCI
6.81
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Microbiology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Repositorio Institucional Académico , Sistema de Bibliotecas Universidad Andrés Bello (UNAB) (Universidad Andrés Bello (UNAB)) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
Ministry of Science and Technology, Taiwan (106-2321-B-006 -008, 103-2320-B-006-028-MY2)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Clostridium difficile and Clostridium perfringens research
  • Physical Sciences › Chemistry › Organic Chemistry › Antimicrobial agents and applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
lauric acid, Clostridium difficile, Clostridium difficile infection, medium-chain fatty acids, antimicrobial activity, reactive oxygen species, cell membrane damage, biofilm formation, inflammatory cytokines, inflammation, coconut oil, mouse infection model

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