Journal article

TLR2 activation promotes tumour growth and associates with patient survival and chemotherapy response in pancreatic ductal adenocarcinoma.

Joanne Lundy, Linden J Gearing, Hugh Gao, Alison C West, Louise McLeod, Virginie Deswaerte, Liang Yu, Sean Porazinski, Marina Pajic, Paul J Hertzog, Daniel Croagh, Brendan J Jenkins

Oncogene | Published : 2021

Abstract

Pancreatic ductal adenocarcinoma (PDAC) has an extremely poor prognosis, and is plagued by a paucity of targeted treatment options and tumour resistance to chemotherapeutics. The causal link between chronic inflammation and PDAC suggests that molecular regulators of the immune system promote disease pathogenesis and/or therapeutic resistance, yet their identity is unclear. Here, we couple endoscopic ultrasound-guided fine-needle aspiration, which captures tumour biopsies from all stages, with whole transcriptome profiling of PDAC patient primary tumours to reveal enrichment of the innate immune Toll-like receptor 2 (TLR2) molecular pathway. Augmented TLR2 expression associated with a 4-gene ..

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