Lithium Coupled with C6-Carboxyl Improves the Efficacy of Oligoguluronate in DSS-Induced Ulcerative Colitis in C57BL/6J Mice

Overview

Journal Mar Drugs

Publisher MDPI

Specialties Biology
Pharmacology

Date 2024 Dec 27

PMID 39728147

Authors

Jiayi Li

Meng Shao

Hao Liu

Peng Guo

Fei Liu

Mingfeng Ma

Quancai Li

Affiliations

Soon will be listed here.

Abstract

Oligoguluronate lithium (OGLi) was prepared for the purpose of enhancing the anti-ulcerative colitis (UC) activities of OG, in which lithium (Li) is coupled with the C6-carboxyl of G residue. The therapeutic effects of OGLi on dextran sulfate (DSS)-induced UC mice were investigated, and oligoguluronate sodium (OGNa) and lithium carbonate (LC) were used as contrasts. The effects of OGLi, OGNa and LC on the treatment of UC mice were studied by monitoring body weight change and evaluating colon length, the disease activity index (DAI), histopathological examination and gut microbiota regulation. The results showed that compared with OGNa and LC, OGLi significantly reduced the clinical symptoms and histopathological changes associated with UC in the acute model. It was worth noting that OGLi significantly changed the gut microbiota characteristics of the DSS-treated mice and corrected the typical dysbacteriosis of DSS-induced UC. This intervention resulted in increasing the abundance of and spp. while reducing the levels of spp. and spp. The OGLi could significantly increase the diversity of intestinal microorganisms in the short term. All of these discoveries demonstrate that lithium collaboratively enhances the anti-UC efficacy of OG, which will help to create OG-based drugs for the treatment of UC.

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