The Gut Microbiome and Colorectal Cancer: From Association to Causation

Authors

DOI:

https://doi.org/10.66505/cbtt.v1i2.40

Keywords:

colorectal cancer, gut microbiome, Fusobacterium nucleatum, tumor microenvironment, immunotherapy sensitivity, microbiome-based biomarkers

Abstract

This mini-review discusses the emerging role of the gut microbiome as an active driver of colorectal cancer initiation, progression, and therapeutic response. Key mechanisms include microbiome-induced genomic instability, modulation of host immune responses, and epigenetic reprogramming mediated by tumor-associated bacteria such as Fusobacterium nucleatum. Emerging evidence suggests that specific microbial signatures are not only associated with disease but can functionally shape tumor behavior, influence treatment sensitivity, and serve as clinically actionable biomarkers. These insights highlight the potential of integrating microbiome profiling into precision oncology and underscore the need for mechanistic and translational studies to harness host–microbe interactions for improved cancer prevention and therapy.

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Overview of the role of the gut microbiome in colorectal cancer, highlighting mechanisms of carcinogenesis, tumor microenvironment regulation, biomarkers, and translational applications. The figure also illustrates therapeutic strategies including diet, probiotics, prebiotics, and fecal microbiota transplantation.

Published

2026-05-12

How to Cite

1.
Takahashi T, Goel A. The Gut Microbiome and Colorectal Cancer: From Association to Causation. Cancer Biome Target Ther. [Internet]. 2026 May 12 [cited 2026 Oct. 3];1(2):1-8. Available from: https://cancerbiometherapy.com/index.php/cbtt/article/view/40

Issue

Section

Review

Funding data