Data from: Landscape of tumor mutation load, mismatch repair deficiency, and PD-L1 expression in a large patient cohort of gastrointestinal cancers

Mohamed E. Salem, Alberto Puccini, Axel Grothey, Derek Raghavan, Richard M. Goldberg, Joanne Xiu, W. Michael Korn, Benjamin A. Weinberg, Jimmy J. Hwang, Anthony F. Shields, John L. Marshall, Philip A. Philip & Heinz-Josef Lenz
Purpose: The efficacy of immunotherapy varies widely among different gastrointestinal cancers. Response to immune checkpoint inhibitors is shown to correlate with tumor mutation load (TML), mismatch repair deficiency status (dMMR), and programmed cell death-ligand 1 (PD-L1) expression. Herein, we attempt to quantify TML, dMMR, and PD-L1 expression and determine their interrelationship in gastrointestinal cancers. Experimental Design: A total of 4125 tumors from 14 different gastrointestinal cancer sites were studied. Next-generation sequencing was performed on genomic...
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