Alterations of Gut Microbiota and Serum Biochemical Markers in DILI Patients

Overview

Drug-induced liver injury is a leading cause of acute liver failure worldwide and one of the least understood areas in hepatology research. Increasing evidence has shown that drug-induced liver injury is associated with gut microbiota.

Background: Drug-induced liver injury(DILI) refers to the liver injury induced by all kinds of drugs and is the leading cause of acute liver failure worldwide. China has a large population base and a wide variety of clinical drugs, and it is common for the population to use drugs irregularly. Therefore, the incidence of DILI is increasing year by year. The pathogenesis of DILI is complicated, and there are often multiple mechanisms successively or altogether. As a result of the same effect, it is particularly important to study the pathogenesis of DILI and find its therapeutic target. Increasing evidence shows that DILI is related to the gut microbiota, which provides broader insights and opportunities for understanding and treating this disease. Aims: We aim to map the alterations of gut microbiota and serum biochemical markers in patients with DILI, and to investigate the effects and mechanisms of key strains on the development of DILI, providing a theoretical basis and potential targets for its treatment. Methods: Patients who meet the inclusion criteria will sign informed consent, their demographic data, clinical labs, serum, and feces will be collected at baseline. Fecal samples will be subject to 16S rRNA amplicon sequencing. Serum samples were taken for metabolomics detection. Anticipated Results: Compared to the healthy control group, patients with DILI will suffer from gut microbiota dysbiosis and have more microbes and microbial genes associated with inflammation and injury. The levels of serum biochemical markers are associated with the severity of DILI. Implications and Future Studies: Results of altered gut microbiome and serum biochemical markers could provide potential targets for manipulating intestinal microbiota to prevent or treat DILI.

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