May 3, 2026 · Gastroenterology · DOI: 10.1053/j.gastro.2026.04.017

Blockade of Tumor TAK1 Induces DNA Damage and Immunogenic cGAS-STING Pathway Activation in Pancreatic Cancer

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The authors investigate the role of TGF-β-activated kinase 1 (TAK1) in pancreatic ductal adenocarcinoma (PDAC) and its impact on T cell dysfunction within the tumor microenvironment. They demonstrate that inhibiting TAK1 enhances T cell infiltration and activates the cGAS-STING pathway, leading to DNA damage and inflammatory responses that could sensitize PDAC to immune checkpoint blockade therapy. This study identifies TAK1 as a potential therapeutic target for reversing the immunologically "cold" nature of PDAC.

Sapana P Bansod, Timothy Hung-Po Chen, Vikas K Somani, Lin Li, Yutong Geng, Yu Wang, Ashenafi Bulle, Suneeta Modekurty, Brett L Knolhoff, Ryan C Fields, Marianna B Ruzinova, David G DeNardo, Kian-Huat Lim

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