ArticleCellular and molecular gastroenterology and hepatology2019
PYK2 Is Involved in Premalignant Acinar Cell Reprogramming and Pancreatic Ductal Adenocarcinoma Maintenance by Phosphorylating β-Catenin
Article in Cellular and molecular gastroenterology and hepatology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 15 citations in OpenAlex.
- Acinar-ductal metaplasia in pancreatitis and pancreatic ductal adenocarcinoma.Cellular oncology (Dordrecht, Netherlands) · 2026Review
- Signaling pathways and targeted interventions for precancers.Signal transduction and targeted therapy · 2026Review
- Sensitivity of Pancreatic Cancer Cell Lines to Clinically Approved FAK Inhibitors: Enhanced Cytotoxicity Through Combination with Oncolytic Coxsackievirus B3.International journal of molecular sciences · 2025Article
- Research progress of PYK2 in digestive system diseases.Frontiers in immunology · 2025Review
- Article
- Acinar-to-Ductal Metaplasia (ADM): On the Road to Pancreatic Intraepithelial Neoplasia (PanIN) and Pancreatic Cancer.International journal of molecular sciences · 2023Review
- Activated PyK2 and Its Associated Molecules Transduce Cellular Signaling from the Cancerous Milieu for Cancer Metastasis.International journal of molecular sciences · 2022Review
- Molecular signaling in pancreatic ductal metaplasia: emerging biomarkers for detection and intervention of early pancreatic cancer.Cellular oncology (Dordrecht, Netherlands) · 2022Review
- Signaling Proteins Recruited to the Sperm Binding Site: Role of β-Catenin and Rho A.Frontiers in cell and developmental biology · 2022Article
- Protocadherins at the Crossroad of Signaling Pathways.Frontiers in molecular neuroscience · 2020Review
- PYK2 at the Intersection of Signaling Pathways in Pancreatic Cancer.Cellular and molecular gastroenterology and hepatology · 2019Article
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11 authors at 3 institutions in 1 country.
Funding
Abstract
BACKGROUND &
aimsIdentification and validation of new functionally relevant and pharmacologically actionable targets for pancreatic ductal adenocarcinoma (PDAC) remains a great challenge. Premalignant acinar cell reprogramming (acinar-to-ductal metaplasia [ADM]) is a precursor of pancreatic intraepithelial neoplasia (PanIN) lesions that can progress to PDAC. This study investigated the role of proline-rich tyrosine kinase 2 (PYK2) in mutant Kras-induced and pancreatitis-associated ADM and PanIN formation, as well as in PDAC maintenance.
methodsGenetically engineered mouse models of mutant Kras (glycine 12 to aspartic acid) and Pyk2 deletion were used for investigating the role of PYK2 in PDAC genesis in mice. In vitro ADM assays were conducted using primary pancreatic acinar cells isolated from mice. Immunohistochemistry, immunofluorescence, and a series of biochemical experiments were used to investigate upstream regulators/downstream targets of PYK2 in pancreatic carcinogenesis. PDAC cell line xenograft experiments were performed to study the role of PYK2 and its downstream target in PDAC maintenance.
resultsPYK2 was increased substantially in ADM lesions induced by mutant Kras or inflammatory injury. Pyk2 deletion remarkably suppressed ADM and PanIN formation in a mutant Kras-driven and pancreatitis-associated PDAC model, whereas PYK2 knockdown substantially inhibited PDAC cell growth in vitro and in nude mice. This study uncovered a novel yes-associated protein 1/transcriptional co-activator with PDZ binding motif/signal transducer and activator of transcription 3/PYK2/β-catenin regulation axis in PDAC. Our results suggest that PYK2 contributes to PDAC genesis and maintenance by activating the Wnt/β-catenin pathway through directly phosphorylating β-catenin
conclusionsThe current study uncovers PYK2 as a novel downstream effector of mutant KRAS signaling, a previously unrecognized mediator of pancreatitis-induced ADM and a novel intervention target for PDAC.
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