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Gut Microbiota, Next-Generation Sequencing, Immune-Checkpoint Inhibitors, and Colorectal Cancer: How Hot Is the Link?

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Illuminating Colorectal Cancer Genomics by Next-Generation Sequencing

Abstract

The promising high-throughput metagenomics sequencing including both taxonomic 16S ribosomal RNA and shotgun sequencing has greatly facilitated the study of gut microbiota and its association with disease. Intestinal microbiota influences host immunity and may profoundly interact with mucosal environment and induce its perturbation by various mechanisms involving genetic and metabolic by-products. Current evidence suggests a primary and fundamental role of microbiota dysbiosis in driving the progress of the adenoma-carcinoma sequence and metastasis of colorectal cancer (CRC). Interestingly, microbiome dysbiosis-based signatures are promising biomarkers to predict prognosis, therapy response to cancer immunotherapy, drug adverse events, as well as survival outcomes. The focus of this chapter is to critically review the role of gut microbiota in colorectal carcinogenesis and its potential in biomarker development and progress of the rapidly evolving oncoimmunology. We also discuss the perspectives of using microbiota in the clinical decision-making workflow.

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Authors’ Contributions

KE wrote the chapter. MA and AM supervised the writing process.

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Correspondence to Khalid El Bairi .

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El Bairi, K., Amrani, M., Maleb, A. (2020). Gut Microbiota, Next-Generation Sequencing, Immune-Checkpoint Inhibitors, and Colorectal Cancer: How Hot Is the Link?. In: El Bairi, K. (eds) Illuminating Colorectal Cancer Genomics by Next-Generation Sequencing. Springer, Cham. https://doi.org/10.1007/978-3-030-53821-7_5

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