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Lactitol Supplementation Modulates Intestinal Microbiome in Liver Cirrhotic Patients.

Abstract
Background: Cirrhosis is a common chronic liver disease characterized by irreversible diffuse liver damage. Intestinal microbiome dysbiosis and metabolite dysfunction contribute to the development of cirrhosis. Lactitol (4-β-D-galactopyranosyl-D-glucitol) was previously reported to promote the growth of intestinal Bifidobacteria. However, the effect of lactitol on the intestinal microbiome and fecal short-chain fatty acids (SCFAs) and bile acids (BAs) and the interactions among these factors in cirrhotic patients pre- and post-lactitol treatment remain poorly understood. Methods: Here, using shotgun metagenomics and targeted metabolomics methods. Results: we found that health-promoting lactic acid bacteria, including Bifidobacterium longum, B.pseudocatenulatum, and Lactobacillus salivarius, were increased after lactitol intervention, and significant decrease of pathogen Klebsiella pneumonia and associated antibiotic resistant genes /virulence factors. Functionally, pathways including Pseudomonas aeruginosa biofilm formation, endotoxin biosynthesis, and horizontal transfer of pathogenic genes were decreased in cirrhotic patients after 4-week lactitol intervention compared with before treatment. Conclusion: We identified lactitol-associated metagenomic changes, and provide insight into the understanding of the roles of lactitol in modulating gut microbiome in cirrhotic patients.
AuthorsHaifeng Lu, Liang Chen, Xiaxia Pan, Yujun Yao, Hua Zhang, Xiaofei Zhu, Xiaobin Lou, Chunxia Zhu, Jun Wang, Lanjuan Li, Zhongwen Wu
JournalFrontiers in medicine (Front Med (Lausanne)) Vol. 8 Pg. 762930 ( 2021) ISSN: 2296-858X [Print] Switzerland
PMID34722597 (Publication Type: Journal Article)
CopyrightCopyright © 2021 Lu, Chen, Pan, Yao, Zhang, Zhu, Lou, Zhu, Wang, Li and Wu.

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