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Cannabidiol Is a Novel Modulator of Bacterial Membrane Vesicles

Kosgodage, Uchini S.; Matewele, Paul; Awamaria, Brigitte; Kraev, Igor; Warde, Purva; Mastroianni, Giulia; Nunn, Alistair V.; Guy, Geoffrey W.; Bell, Jimmy D.; Inal, Jameel M. and Lange, Sigrun (2019). Cannabidiol Is a Novel Modulator of Bacterial Membrane Vesicles. Frontiers in Cellular and Infection Microbiology, 9, article no. 324.

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DOI (Digital Object Identifier) Link: https://doi.org/10.3389/fcimb.2019.00324
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Abstract

Membrane vesicles (MVs) released from bacteria participate in cell communication and host-pathogen interactions. Roles for MVs in antibiotic resistance are gaining increased attention and in this study we investigated if known anti-bacterial effects of cannabidiol (CBD), a phytocannabinoid from Cannabis sativa, could be in part attributed to effects on bacterial MV profile and MV release. We found that CBD is a strong inhibitor of MV release from Gram-negative bacteria (E. coli VCS257), while inhibitory effect on MV release from Gram-positive bacteria (S. aureus subsp. aureus Rosenbach) was negligible. When used in combination with selected antibiotics, CBD significantly increased the bactericidal action of several antibiotics in the Gram-negative bacteria. In addition, CBD increased antibiotic effects of kanamycin in the Gram-positive bacteria, without affecting MV release. CBD furthermore changed protein profiles of MVs released from E. coli after 1 h CBD treatment. Our findings indicate that CBD may pose as a putative adjuvant agent for tailored co-application with selected antibiotics, depending on bacterial species, to increase antibiotic activity, including via MV inhibition, and help reduce antibiotic resistance.

Item Type: Journal Item
Copyright Holders: 2019 Kosgodage, Matewele, Awamaria, Kraev, Warde, Mastroianni, Nunn, Guy, Bell, Inal and Lange.
ISSN: 2235-2988
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetGW Pharmaceuticals
Keywords: bacterial membrane vesicles (MVs); cannabidiol (CBD); antibiotic resistance; gram-negative; gram-positive; E. coli VCS257; S. aureus subsp. aureus Rosenbach
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 66858
Depositing User: ORO Import
Date Deposited: 23 Sep 2019 08:20
Last Modified: 02 Oct 2019 19:39
URI: http://oro.open.ac.uk/id/eprint/66858
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