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Epithelial NOTCH signaling rewires the tumor microenvironment of colorectal cancer to drive poor-prognosis subtypes and metastasis

Rene Jackstadt, Sander R. van Hooff, Joshua D Leach, Xabier Cortes-Lavaud, Jeroen O Lohuis, Rachel A Ridgway, Valerie M Wouters, Jatin Roper, Tim Kendall, Campbell S Roxburgh, Paul G Horgan, Colin Nixon, Craig Nourse, Matthias Gunzer, William Clark, Ann Hedley, Omer H Yilmaz, Mamunur Rashid, Peter Bailey, Andrew V BiankinAndrew D Campbell, David J Adams, Simon T Barry, Colin W Steele, Jan Paul Medema, Owen J Sansom

Research output: Contribution to journalArticlepeer-review

Abstract

The metastatic process of colorectal cancer (CRC) is not fully understood and effective therapies are lacking. We show that activation of NOTCH1 signaling in the murine intestinal epithelium leads to highly penetrant metastasis (100% metastasis; with >80% liver metastases) in KrasG12D driven serrated cancer. Transcriptional profiling reveals that epithelial NOTCH1 signaling creates a tumor microenvironment (TME) reminiscent of poorly prognostic human CRC subtypes (CMS4 and CRIS-B), and drives metastasis through TGF-β dependent neutrophil recruitment. Importantly, inhibition of this recruitment with clinically relevant therapeutic agents blocks metastasis. We propose that NOTCH1 signaling is key to CRC progression and should be exploited clinically.
Original languageEnglish
JournalCancer Cell
DOIs
Publication statusPublished - 16 Sept 2019

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