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Article Dans Une Revue Heliyon Année : 2024

Exploring the impact of breast cancer on colonization resistance of mouse microbiota using network node manipulation

Résumé

Breast cancer, a global health concern affecting women, has been linked to alterations in the gut microbiota, impacting various aspects of human health. This study investigates the interplay between breast cancer and the gut microbiome, particularly focusing on colonization resistance-an essential feature of the microbiota's ability to prevent pathogenic overgrowth. Using a mouse model of breast cancer, we employ diversity analysis, co-occurrence network analysis, and robustness tests to elucidate the impact of breast cancer on microbiome dynamics. Our results reveal that breast cancer exposure affects the bacterial community's composition and structure, with temporal dynamics playing a role. Network analysis demonstrates that breast cancer disrupts microbial interactions and decreases network complexity, potentially compromising colonization resistance. Moreover, network robustness analysis shows the susceptibility of the microbiota to node removal, indicating potential vulnerability to pathogenic colonization. Additionally, predicted metabolic profiling of the microbiome highlights the significance of the enzyme EC 6.2.1.2 - Butyrate-CoA ligase, potentially increasing butyrate, and balancing the reduction of colonization resistance. The identification of Rubrobacter as a key contributor to this enzyme suggests its role in shaping the microbiota's response to breast cancer. This study uncovers the intricate relationship between breast cancer, the gut microbiome, and colonization resistance, providing insights into potential therapeutic strategies and diagnostic approaches for breast cancer patients.

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Cancer
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hal-04635887 , version 1 (04-07-2024)

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Alejandra Wu-Chuang, Lourdes Mateos-Hernandez, Lianet Abuin-Denis, Apolline Maitre, Janet Avellanet, et al.. Exploring the impact of breast cancer on colonization resistance of mouse microbiota using network node manipulation. Heliyon, 2024, 10 (10), pp.e30914. ⟨10.1016/j.heliyon.2024.e30914⟩. ⟨hal-04635887⟩
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