ArticleNaunyn-Schmiedeberg's archives of pharmacology2015
Anti-tumor properties of the cGMP/protein kinase G inhibitor DT3 in pancreatic adenocarcinoma.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Article
- Glycogen synthase kinase-3β: a novel therapeutic target for pancreatic cancer.Expert opinion on therapeutic targets · 2020Review
- Easy-to-use strategy for reference gene selection in quantitative real-time PCR experiments.Naunyn-Schmiedeberg's archives of pharmacology · 2016Article
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Authors and funding
9 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest cancers in the world. Therefore, new therapeutic options are urgently needed to improve the survival of PDAC patients. Protein kinase G (PKG) conducts the interlude of cGMP signaling which is important for healthy as well as for cancer cells. DT3 is a specific inhibitor of PKG, and it has been shown to possess an anti-tumor cytotoxic activity in vitro. The main aim of this work was to investigate anti-tumor effects of DT3 upon PDAC in vivo.Expression of PKG was assessed with real-time PCR analysis in the normal and tumor pancreatic cells. In vitro cell viability, proliferation, apoptosis, necrosis, migration, and invasion of the murine PDAC cell line Panc02 were assessed after DT3 treatment. In vivo anti-tumor effects of DT3 were investigated in the murine Panc02 orthotopic model of PDAC. Western blot analysis was used to determine the phosphorylation state of the proteins of interest.Functional PKGI is preferentially expressed in PDAC cells. DT3 was capable to reduce viability, proliferation, and migration of murine PDAC cells in vitro. At the same time, DT3 treatment did not change the viability of normal epithelial cells of murine liver. In vivo, DT3 treatment reduced the tumor volume and metastases in PDAC-bearing mice, but it was ineffective to prolong the survival of the tumor-bearing animals. In addition, DT3 treatment decreased phosphorylation of GSK-3, P38, and CREB in murine PDAC.Inhibition of PKG could be a potential therapeutic strategy for PDAC treatment which should be carefully validated in future pre-clinical studies.
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