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Lactobacillus plantarum CUL66 can impact cholesterol homeostasis in Caco-2 enterocytes

Michael, D. R., Moss, Joe W. E. ORCID:, Calvente, D. Lama, Garaiova, I., Plummer, S. F. and Ramji, Dipak ORCID: 2016. Lactobacillus plantarum CUL66 can impact cholesterol homeostasis in Caco-2 enterocytes. Beneficial Microbes 7 (3) , pp. 443-451. 10.3920/BM2015.0146

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Hypercholesterolemia drives the development of cardiovascular disease, the leading cause of mortality in western society. Supplementation with probiotics that interfere with cholesterol metabolism may provide a contribution to disease prevention. Lactobacillus plantarum CUL66 (NCIMB 30280) has been assessed in vitro for its ability to impact cholesterol absorption. L. plantarum CUL66 tested positive for bile salt hydrolase activity and the ability to assimilate cholesterol from culture media. RT-qPCR analysis showed that the bacterium significantly decreased the expression of Niemann-Pick C1-like 1 and ATP-binding cassette transporter-1 in polarised Caco-2 cells after 6 h exposure. Conversely, the expression of ATP-binding cassette sub-family G member (ABCG)-5 and ABCG-8, and 3-hydroxy-3-methylglutaryl-CoA reductase were significantly increased. Using a radiolabelled assay, we also observed significant reductions in the uptake and basolateral efflux of cholesterol by Caco-2 cells exposed to L. plantarum CUL66. This in vitro study identified L. plantarum CUL66 as a cholesterol lowering bacteria by highlighting its ability to beneficially regulate multiple in vitro events associated with intestinal cholesterol metabolism and provides evidence of efficacy for its inclusion in future in vivo studies.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Biosciences
Publisher: Wageningen Academic Publishers
ISSN: 1876-2883
Date of First Compliant Deposit: 8 June 2016
Date of Acceptance: 23 December 2015
Last Modified: 05 May 2023 19:31

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