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The impact of cancer cachexia on gut microbiota composition and short-chain fatty acid metabolism in a murine model.


ABSTRACT: This study investigates the relationship between cancer cachexia and the gut microbiota, focusing on the influence of cancer on microbial composition. Lewis lung cancer cell allografts were used to induce cachexia in mice, and body and muscle weight changes were monitored. Fecal samples were collected for targeted metabolomic analysis for short chain fatty acids and microbiome analysis. The cachexia group exhibited lower alpha diversity and distinct beta diversity in gut microbiota, compared to the control group. Differential abundance analysis revealed higher Bifidobacterium and Romboutsia, but lower Streptococcus abundance in the cachexia group. Additionally, lower proportions of acetate and butyrate were observed in the cachexia group. The study observed that the impact of cancer cachexia on gut microbiota and their generated metabolites was significant, indicating a host-to-gut microbiota axis. [BMB Reports 2023; 56(7): 404-409].

SUBMITTER: Jeong SM 

PROVIDER: S-EPMC10390285 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature

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The impact of cancer cachexia on gut microbiota composition and short-chain fatty acid metabolism in a murine model.

Jeong Seung Min SM   Jin Eun-Ju EJ   Wei Shibo S   Bae Ju-Hyeon JH   Ji Yosep Y   Jo Yunju Y   Jeong Jee-Heon JH   Im Se Jin SJ   Ryu Dongryeol D  

BMB reports 20230701 7


This study investigates the relationship between cancer cachexia and the gut microbiota, focusing on the influence of cancer on microbial composition. Lewis lung cancer cell allografts were used to induce cachexia in mice, and body and muscle weight changes were monitored. Fecal samples were collected for targeted metabolomic analysis for short chain fatty acids and microbiome analysis. The cachexia group exhibited lower alpha diversity and distinct beta diversity in gut microbiota, compared to  ...[more]

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