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Ep. 15: “Tuning the Immune Response” Featuring Dr. Anil Bhushan

The Immunology Podcast

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Exploring Tumor Mutations and Immune Responses in Colorectal Cancer

This chapter delves into a research paper analyzing the differences between micro-satellite stable (MSS) and micro-satellite instable (MSI) tumors in colorectal cancer, focusing on tumor mutational burden, neoantigen expression, and immune responses. The authors found that MSS tumors have lower mutational burden and express neoantigens at lower levels than MSI tumors, impacting immune detection and response. The chapter also discusses the role of antigen presentation by dendritic cells, therapeutic priming with new antigens and immune checkpoint inhibitors, and the influence of the microbiome on T cell repertoires and disease progression.

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