Abstract PO-063: Functional interrogation of immune escape in neoantigen-expressing pancreatic cancer identifies a critical role for the CD155/TIGIT axis
Abstract:The CD155/TIGIT axis can be co-opted during immune evasion in chronic viral infections and cancer. While insights regarding mechanisms of immune escape have fueled tremendous clinical successes in a broad range of tumor types, microsatellite-stable pancreatic adenocarcinoma (PDAC), which represents greater than 98% of patients, is largely refractory to available immune checkpoint blockade. The recent recognition that a subset of pancreas cancer harbors potential neoantigens has intensified interest in defining… Show more
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