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TWEAK/Fn14 Signalling Regulates the Tissue Microenvironment in Chronic Pancreatitis
Journal article   Open access   Peer reviewed

TWEAK/Fn14 Signalling Regulates the Tissue Microenvironment in Chronic Pancreatitis

N Dianah B Abu Bakar, Rodrigo Carlessi, Jully Gogoi-Tiwari, Julia Köhn-Gaone, Vincent Williams, Marco Falasca, John K Olynyk, Grant A Ramm and Janina E E Tirnitz-Parker
Cancers, Vol.15(6), Art. 1807
2023
PMID: 36980694
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CC BY V4.0 Open Access

Abstract

chronic pancreatitis inflammation ethionine-supplemented diet ductular proliferation fibrosis choline-deficient TWEAK/Fn14 signalling
Chronic pancreatitis increases the risk of developing pancreatic cancer through the upregulation of pathways favouring proliferation, fibrosis, and sustained inflammation. We established in previous studies that the ligand tumour necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK) signals through its cognate receptor fibroblast growth factor-inducible 14 (Fn14) to regulate these underlying cellular processes in the chronic liver injury niche. However, the role of the TWEAK/Fn14 signalling pathway in pancreatic disease is entirely unknown. An analysis of publicly available datasets demonstrated that the TWEAK receptor Fn14 is upregulated in pancreatitis and pancreatic adenocarcinoma, with single cell RNA sequencing revealing pancreatic ductal cells as the main Fn14 producers. We then used choline-deficient, ethionine-supplemented (CDE) diet feeding of wildtype C57BL/6J and Fn14 knockout littermates to (a) confirm CDE treatment as a suitable model of chronic pancreatitis and (b) to investigate the role of the TWEAK/Fn14 signalling pathway in pancreatic ductal proliferation, as well as fibrotic and inflammatory cell dynamics. Our time course data obtained at three days, three months, and six months of CDE treatment reveal that a lack of TWEAK/Fn14 signalling significantly inhibits the establishment and progression of the tissue microenvironment in CDE-induced chronic pancreatitis, thus proposing the TWEAK/Fn14 pathway as a novel therapeutic target.

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Collaboration types
Domestic collaboration
Citation topics
1 Clinical & Life Sciences
1.102 Stem Cell Research
1.102.1150 Hepatocyte Growth Factor
Web Of Science research areas
Oncology
ESI research areas
Clinical Medicine
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