ArticleInternational journal of molecular sciences2024
TGF-β-Induced PAUF Plays a Pivotal Role in the Migration and Invasion of Human Pancreatic Ductal Adenocarcinoma Cell Line Panc-1.
Article in International journal of molecular sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Pectolinarigenin Attenuates LPS-Induced Lung Inflammation and Injury with Reduced HDAC3/NF-κB/NLRP3 Signaling.Antioxidants (Basel, Switzerland) · 2026Article
- Pancreatic Adenocarcinoma Up-Regulated Factor Promotes Epithelial-Mesenchymal Transition and Lung Metastasis in Hepatocellular Carcinoma.International journal of molecular sciences · 2026Article
- ZG16B: A key regulator of tumor progression and immune microenvironment modulation in cancer (Review).International journal of molecular medicine · 2026Review
- CHI3L1: An Emerging Player in Neuroinflammation and Neurodegeneration.Molecular neurobiology · 2025Review
- Quantitative immunohistochemistry analysis of pancreatic adenocarcinoma upregulated factor expression in pancreatic cancer and its prognostic significance.World journal of gastrointestinal oncology · 2025Article
- Pancreatic cancer subtyping - the keystone of precision treatment.Frontiers in immunology · 2025Review
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Authors and funding
8 authors.
Funding
Abstract
Pancreatic adenocarcinoma upregulated factor (PAUF) was initially identified as a secreted protein that is substantially expressed in pancreatic ductal adenocarcinoma (PDAC). PAUF also affects invasiveness, motility, and the proliferation of cells in several types of cancer. Recently, PAUF was reported to play a pivotal role in the TLR4-mediated migration and invasion of PDAC cells. However, the mechanism inducing PAUF expression and its functional role in TGF-β-stimulated PDAC cells have not yet been studied. Thus, we first assessed whether TGF-β regulates PAUF expression in several PDAC cell lines and found a significant increase in PAUF expression in Smad signaling-positive Panc-1 cells treated with TGF-β. We also found that the PAUF promoter region contains a Smad-binding element. TGF-β-treated Panc-1 cells showed an increase in PAUF promoter activity, but this effect was not observed in TGF-β-stimulated Smad4-null BxPC-3 cells. Restoring Smad4 expression increased the PAUF promoter activity and expression in Smad4-overexpressing BxPC-3 cells treated with TGF-β. We further found that PAUF aggravated the TGF-β-induced epithelial-mesenchymal transition (EMT) in Panc-1 and BxPC-3 cells via the activation of MEK-ERK signaling. These results indicate that TGF-β/Smad signaling-mediated upregulation of PAUF plays a crucial role in EMT progression by activating the TGF-β-mediated MEK-ERK signaling pathway.
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