Journal of inflammation research · 2026
Characterization of the Gut Virome in Patients with Inflammatory Bowel Disease and Non-Alcoholic Fatty Liver Disease.
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Lu Shuangshuang, Xia Yang, Sun Qiuyue, Sun Yuhui, Chen Ruiyan, Jin Hanshu, Zhang Jingxian, Liu Wenjia, Huang Jin
Аннотация
OBJECTIVE: The dysbiosis of the gut microbiota is a well-known correlate in the pathogenesis of inflammatory bowel disease (IBD). However, the microbiome characteristics of patients with IBD who also have non-alcoholic fatty liver disease (NAFLD) are understudied, particularly the potential pathogenic mechanisms of the gut virome.
MATERIALS AND METHODS: In this study, we conducted a comprehensive gut virome correlation study, along with serum metabolomics analysis, by performing virus-like particle (VLP) and metagenomic sequencing on fecal samples from patients with inflammatory bowel disease and non-alcoholic fatty liver disease (IBD-NAFLD) and NAFLD (MASLD) controls without gastrointestinal diseases.
RESULTS: The results showed that changes in the fecal virome were associated with IBD-NAFLD (MASLD), particularly with an increase in the abundance of Caudovirales in IBD-NAFLD (MASLD) patients. Subsequent analysis of the gut virome identified Bacteroides as the top predicted host for the viruses. Additionally, we identified the pathways involved in all differential metabolites through KEGG annotation analysis, with the highest correlation being the galactose metabolism pathway.
CONCLUSION: In conclusion, by using a customized integrated gut virome catalog tailored for IBD, we revealed the fundamental changes in the gut virome of IBD-NAFLD (MASLD) patients. This study is the first to uncover the specificity of the gut virome in IBD-NAFLD (MASLD) patients and predict Bacteroides as a potential host, suggesting a microbial signature primarily influenced by intestinal inflammation.
MATERIALS AND METHODS: In this study, we conducted a comprehensive gut virome correlation study, along with serum metabolomics analysis, by performing virus-like particle (VLP) and metagenomic sequencing on fecal samples from patients with inflammatory bowel disease and non-alcoholic fatty liver disease (IBD-NAFLD) and NAFLD (MASLD) controls without gastrointestinal diseases.
RESULTS: The results showed that changes in the fecal virome were associated with IBD-NAFLD (MASLD), particularly with an increase in the abundance of Caudovirales in IBD-NAFLD (MASLD) patients. Subsequent analysis of the gut virome identified Bacteroides as the top predicted host for the viruses. Additionally, we identified the pathways involved in all differential metabolites through KEGG annotation analysis, with the highest correlation being the galactose metabolism pathway.
CONCLUSION: In conclusion, by using a customized integrated gut virome catalog tailored for IBD, we revealed the fundamental changes in the gut virome of IBD-NAFLD (MASLD) patients. This study is the first to uncover the specificity of the gut virome in IBD-NAFLD (MASLD) patients and predict Bacteroides as a potential host, suggesting a microbial signature primarily influenced by intestinal inflammation.